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Date: Thu, 1 Dec 2011 10:28:58 +0700
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From: "Fajar A. Nugraha" <list@fajar.net>
To: Artur Baruchi <mail.baruchi@gmail.com>
Cc: Konrad Rzeszutek Wilk <konrad@darnok.org>, Xen-devel@lists.xensource.com,
	xen-users <Xen-users@lists.xensource.com>
Subject: Re: [Xen-users] [Xen-devel] VM Hanging after reboot
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On Thu, Dec 1, 2011 at 10:16 AM, Konrad Rzeszutek Wilk
<konrad@darnok.org> wrote:
> On Wed, Nov 30, 2011 at 09:09:58PM -0200, Artur Baruchi wrote:
>> Hi Konrad.
>>
>> That was my first though (disk going bad). But I create another VM in
>> a different host and faced the same error. I tried to create another
>
> So is the error from within the guest or from the dom0?
>

As Konrad asked, is the error in dom0 or domU?

If dom0, then most likely it's disk problem. One way to diagnose it is
by reading from the disk (dd_rescue is nice) and see if at least it's
able to read the disk completely.

If domU, then it's probably a bug in dom0 kernel (the blkback driver,
perhaps). In which case novell guys might be able to help you more. I
recall something like this when using older kernel for dom0 (forgot
the exact version, sorry), but the error went away after I used
vanilla 3.1.0 for dom0 kernel.

-- 
Fajar

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Date: Thu, 1 Dec 2011 10:28:58 +0700
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From: "Fajar A. Nugraha" <list@fajar.net>
To: Artur Baruchi <mail.baruchi@gmail.com>
Cc: Konrad Rzeszutek Wilk <konrad@darnok.org>, Xen-devel@lists.xensource.com,
	xen-users <Xen-users@lists.xensource.com>
Subject: Re: [Xen-users] [Xen-devel] VM Hanging after reboot
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On Thu, Dec 1, 2011 at 10:16 AM, Konrad Rzeszutek Wilk
<konrad@darnok.org> wrote:
> On Wed, Nov 30, 2011 at 09:09:58PM -0200, Artur Baruchi wrote:
>> Hi Konrad.
>>
>> That was my first though (disk going bad). But I create another VM in
>> a different host and faced the same error. I tried to create another
>
> So is the error from within the guest or from the dom0?
>

As Konrad asked, is the error in dom0 or domU?

If dom0, then most likely it's disk problem. One way to diagnose it is
by reading from the disk (dd_rescue is nice) and see if at least it's
able to read the disk completely.

If domU, then it's probably a bug in dom0 kernel (the blkback driver,
perhaps). In which case novell guys might be able to help you more. I
recall something like this when using older kernel for dom0 (forgot
the exact version, sorry), but the error went away after I used
vanilla 3.1.0 for dom0 kernel.

-- 
Fajar

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Subject: Re: [Xen-users] How to make a P2V domU be recognized by Xend
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From: Bryant Kobe <shijie1234321@gmail.com>
To: xen-users@lists.xensource.com
Subject: [Xen-users] How to solve "Error: Boot loader didn't return any data"
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Hello , everyone

I am a newcomer to xen , which i study in recent months . I have deploy the
xen-4.1.2 on dell server , centos as dom0 ,  now , i use the vhd format to
be the virtual hard disk , after i execute
 " xm new ***.cfg" ,
this vm  generate the vm in "xm list" , but when i execute
 " xm start *** ",
"Error: Boot loader didn't return any data " happened ,
 i refer the official document , saying that "*make sure that the
partition/lvm/container that contains the kernel and initrd comes first " ,
*but i have provide the vhd containing guest OS .
This situation doesn't occur every time i execute the above instruction ,
 but once happened , i would not start any vm later , unless reboot server.
I have search many references , try some methods for several weeks , but
all don't work !
Thank you in advance !
Any of your help will be appreciated !

--f46d044786df499c3604b303d4c7
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Hello , everyone=A0<div><br></div><div>I am a newcomer to xen , which i stu=
dy in recent months . I have deploy the xen-4.1.2 on dell server , centos a=
s dom0 , =A0now , i use the vhd format to be the virtual hard disk , after =
i execute</div>
<div>=A0&quot; xm new ***.cfg&quot; ,=A0</div><div>this vm =A0generate the =
vm in &quot;xm list&quot; , but when i execute</div><div>=A0&quot; xm start=
 *** &quot;,</div><div>&quot;Error: Boot loader didn&#39;t return any data =
&quot; happened ,=A0</div>
<div>=A0i refer the official document , saying that &quot;<span class=3D"Ap=
ple-style-span" style=3D"border-collapse: collapse; font-family: Verdana, A=
rial, Helvetica, sans-serif; font-size: 12px; "><strong><font class=3D"Appl=
e-style-span" color=3D"#ff0000">make sure that the partition/lvm/container =
that contains the kernel and initrd comes first </font>&quot; , </strong></=
span><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; f=
ont-family: Verdana, Arial, Helvetica, sans-serif; ">but i have provide the=
 vhd containing guest OS .</span></div>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; f=
ont-family: Verdana, Arial, Helvetica, sans-serif; ">This situation doesn&#=
39;t occur every time i execute the above instruction , =A0but once happene=
d , i would not start any vm later , unless reboot server.</span></div>
<div><font class=3D"Apple-style-span" face=3D"Verdana, Arial, Helvetica, sa=
ns-serif"><span class=3D"Apple-style-span" style=3D"border-collapse: collap=
se;">I have search many references , try some methods for several weeks , b=
ut all don&#39;t work !=A0</span></font></div>
<div><font class=3D"Apple-style-span" face=3D"Verdana, Arial, Helvetica, sa=
ns-serif"><span class=3D"Apple-style-span" style=3D"border-collapse: collap=
se;">Thank you in advance !</span></font></div><div><span class=3D"Apple-st=
yle-span" style=3D"border-collapse: collapse; font-family: Verdana, Arial, =
Helvetica, sans-serif; ">Any of your help will be appreciated !</span></div=
>
<meta http-equiv=3D"content-type" content=3D"text/html; charset=3Dutf-8">

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From: Bryant Kobe <shijie1234321@gmail.com>
To: xen-users@lists.xensource.com
Subject: [Xen-users] How to solve "Error: Boot loader didn't return any data"
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Hello , everyone

I am a newcomer to xen , which i study in recent months . I have deploy the
xen-4.1.2 on dell server , centos as dom0 ,  now , i use the vhd format to
be the virtual hard disk , after i execute
 " xm new ***.cfg" ,
this vm  generate the vm in "xm list" , but when i execute
 " xm start *** ",
"Error: Boot loader didn't return any data " happened ,
 i refer the official document , saying that "*make sure that the
partition/lvm/container that contains the kernel and initrd comes first " ,
*but i have provide the vhd containing guest OS .
This situation doesn't occur every time i execute the above instruction ,
 but once happened , i would not start any vm later , unless reboot server.
I have search many references , try some methods for several weeks , but
all don't work !
Thank you in advance !
Any of your help will be appreciated !

--f46d044786df499c3604b303d4c7
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

Hello , everyone=A0<div><br></div><div>I am a newcomer to xen , which i stu=
dy in recent months . I have deploy the xen-4.1.2 on dell server , centos a=
s dom0 , =A0now , i use the vhd format to be the virtual hard disk , after =
i execute</div>
<div>=A0&quot; xm new ***.cfg&quot; ,=A0</div><div>this vm =A0generate the =
vm in &quot;xm list&quot; , but when i execute</div><div>=A0&quot; xm start=
 *** &quot;,</div><div>&quot;Error: Boot loader didn&#39;t return any data =
&quot; happened ,=A0</div>
<div>=A0i refer the official document , saying that &quot;<span class=3D"Ap=
ple-style-span" style=3D"border-collapse: collapse; font-family: Verdana, A=
rial, Helvetica, sans-serif; font-size: 12px; "><strong><font class=3D"Appl=
e-style-span" color=3D"#ff0000">make sure that the partition/lvm/container =
that contains the kernel and initrd comes first </font>&quot; , </strong></=
span><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; f=
ont-family: Verdana, Arial, Helvetica, sans-serif; ">but i have provide the=
 vhd containing guest OS .</span></div>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; f=
ont-family: Verdana, Arial, Helvetica, sans-serif; ">This situation doesn&#=
39;t occur every time i execute the above instruction , =A0but once happene=
d , i would not start any vm later , unless reboot server.</span></div>
<div><font class=3D"Apple-style-span" face=3D"Verdana, Arial, Helvetica, sa=
ns-serif"><span class=3D"Apple-style-span" style=3D"border-collapse: collap=
se;">I have search many references , try some methods for several weeks , b=
ut all don&#39;t work !=A0</span></font></div>
<div><font class=3D"Apple-style-span" face=3D"Verdana, Arial, Helvetica, sa=
ns-serif"><span class=3D"Apple-style-span" style=3D"border-collapse: collap=
se;">Thank you in advance !</span></font></div><div><span class=3D"Apple-st=
yle-span" style=3D"border-collapse: collapse; font-family: Verdana, Arial, =
Helvetica, sans-serif; ">Any of your help will be appreciated !</span></div=
>
<meta http-equiv=3D"content-type" content=3D"text/html; charset=3Dutf-8">

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_______________________________________________
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From xen-users-bounces@lists.xensource.com Thu Dec 01 09:30:00 2011
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Subject: Re: [Xen-users] blkfront: barrier: empty write op failed
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After upgrading domU from linux-3.0.4 to 3.0.11I still get these nasty messages from dmesg when mounting the EXT3 filesystem during boot:
	blkfront: barrier: empty write xvda1 op failed
	blkfront: xvda1: barrier or flush: disabled
	EXT3-fs (xvda1): using internal journal

this 64bit domU is running under Xen-4.1.1 with a 2.6.38 kernel (gentoo's xen-sources which basically is a backport of XenLinux patches).

The system appears to keep working correctly anyway but I suspect it slows down a little too much under heavy I/O (for example, copying many gigabytes from an ext3 to another).

Working with raw blocks (eg. swap volumes, or running dd over a not-mounted ext3 volume) does not trigger that message, running a single mkfs.ext3 or mkfs.ext4 does make it appear. I usually have cleancache enabled over tmem, disabling it doesn't seem to make any difference.

Ubuntu domUs using their stock 2.6.24-??-xen kernel seem to be immune.

Is this something I should be worried about? What would you suggest to try to correct it? (eg. is it something related to domU kernel, dom0 kernel, hypervisor, domU config, whatever?)


thanks.

--
Luca Lesinigo
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After upgrading domU from linux-3.0.4 to 3.0.11I still get these nasty messages from dmesg when mounting the EXT3 filesystem during boot:
	blkfront: barrier: empty write xvda1 op failed
	blkfront: xvda1: barrier or flush: disabled
	EXT3-fs (xvda1): using internal journal

this 64bit domU is running under Xen-4.1.1 with a 2.6.38 kernel (gentoo's xen-sources which basically is a backport of XenLinux patches).

The system appears to keep working correctly anyway but I suspect it slows down a little too much under heavy I/O (for example, copying many gigabytes from an ext3 to another).

Working with raw blocks (eg. swap volumes, or running dd over a not-mounted ext3 volume) does not trigger that message, running a single mkfs.ext3 or mkfs.ext4 does make it appear. I usually have cleancache enabled over tmem, disabling it doesn't seem to make any difference.

Ubuntu domUs using their stock 2.6.24-??-xen kernel seem to be immune.

Is this something I should be worried about? What would you suggest to try to correct it? (eg. is it something related to domU kernel, dom0 kernel, hypervisor, domU config, whatever?)


thanks.

--
Luca Lesinigo
_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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From: Philipp Hahn <hahn@univention.de>
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Hello Bryant,

On Thursday 01 December 2011 09:42:14 Bryant Kobe wrote:
> I am a newcomer to xen , which i study in recent months . I have deploy t=
he
> xen-4.1.2 on dell server , centos as dom0 ,  now , i use the vhd format to
> be the virtual hard disk , after i execute
>  " xm new ***.cfg" ,
> this vm  generate the vm in "xm list" ,

This just creates a persistent domain in Xend from your configuration file.

> but when i execute=20
>  " xm start *** ",

This is what then starts the domain as currently configured in Xend.

> "Error: Boot loader didn't return any data " happened ,
>  i refer the official document , saying that "*make sure that the
> partition/lvm/container that contains the kernel and initrd comes first "=
 ,
> *but i have provide the vhd containing guest OS .

You didn't tell what guest OS you try to boot. PyGrub as the name should te=
ll=20
you is an implementation of Grub in Python, used to extract the (Linux)=20
kernel and it's ram-disk from the disk to then run it as a PV domain.
If your guest is not an PV capable OS, you need to define a HV domain.

You should have a look at /var/log/xen/xend.log and xend-debug.log (or wher=
e=20
ever they are located in CentOS.)

> This situation doesn't occur every time i execute the above instruction ,
>  but once happened , i would not start any vm later , unless reboot serve=
r.
> I have search many references , try some methods for several weeks , but
> all don't work !

To rule out any Xen internal problems, you can try something like this:
1. create a blktap device by hand
  # tap-ctl create -avhd:/path/to/your/image.vhd
  This should then print something like "/dev/xen/blktap-2/tapdev6"
2. Check that the tapdisk works:
  # file -s "/dev/xen/blktap-2/tapdev6"
  This should print something like this:
  /dev/xen/blktap-2/tapdev6: x86 boot sector; partition 1: ID=3D0x83, activ=
e,=20
starthead 1, startsector 63, 626472 sectors; partition 2: ID=3D0x83, starth=
ead=20
0, startsector 626535, 2040255 sectors; partition 3: ID=3D0x8e, starthead 0=
,=20
startsector 2666790, 39262860 sectors, code offset 0x63
3. Run pygrub on that device:
  # pygrub "/dev/xen/blktap-2/tapdev6"
  This should display the PyGrub menu. After selecting a kernel, PyGrub sho=
uld=20
print somethin like this:
  linux (kernel /var/run/xend/boot/boot_kernel.g9ssQ9)
(ramdisk /var/run/xend/boot/boot_ramdisk.jAfNI9)
(args "root=3D/dev/mapper/vg_ucs-rootfs ro  splash  quiet loglevel=3D0 vga=
=3D788 ")
4. Destroy the blktap device to clean up step 1.
  # tap-ctl list | grep -F "/path/to/your/image.vhd"
  # tap-ctl destroy -p $pid -m $minor
  where $pid and $minor should be taken from the command above.

Sincerely
Philipp

PS: If by chance any of your files contains blanks or equal-signs, please l=
et=20
me know, since I spotted a Bug in handling them.
=2D-=20
Philipp Hahn           Open Source Software Engineer      hahn@univention.de
Univention GmbH        Linux for Your Business        fon: +49 421 22 232- 0
Mary-Somerville-Str.1  D-28359 Bremen                 fax: +49 421 22 232-99
                                                   http://www.univention.de/

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Hello Bryant,

On Thursday 01 December 2011 09:42:14 Bryant Kobe wrote:
> I am a newcomer to xen , which i study in recent months . I have deploy t=
he
> xen-4.1.2 on dell server , centos as dom0 ,  now , i use the vhd format to
> be the virtual hard disk , after i execute
>  " xm new ***.cfg" ,
> this vm  generate the vm in "xm list" ,

This just creates a persistent domain in Xend from your configuration file.

> but when i execute=20
>  " xm start *** ",

This is what then starts the domain as currently configured in Xend.

> "Error: Boot loader didn't return any data " happened ,
>  i refer the official document , saying that "*make sure that the
> partition/lvm/container that contains the kernel and initrd comes first "=
 ,
> *but i have provide the vhd containing guest OS .

You didn't tell what guest OS you try to boot. PyGrub as the name should te=
ll=20
you is an implementation of Grub in Python, used to extract the (Linux)=20
kernel and it's ram-disk from the disk to then run it as a PV domain.
If your guest is not an PV capable OS, you need to define a HV domain.

You should have a look at /var/log/xen/xend.log and xend-debug.log (or wher=
e=20
ever they are located in CentOS.)

> This situation doesn't occur every time i execute the above instruction ,
>  but once happened , i would not start any vm later , unless reboot serve=
r.
> I have search many references , try some methods for several weeks , but
> all don't work !

To rule out any Xen internal problems, you can try something like this:
1. create a blktap device by hand
  # tap-ctl create -avhd:/path/to/your/image.vhd
  This should then print something like "/dev/xen/blktap-2/tapdev6"
2. Check that the tapdisk works:
  # file -s "/dev/xen/blktap-2/tapdev6"
  This should print something like this:
  /dev/xen/blktap-2/tapdev6: x86 boot sector; partition 1: ID=3D0x83, activ=
e,=20
starthead 1, startsector 63, 626472 sectors; partition 2: ID=3D0x83, starth=
ead=20
0, startsector 626535, 2040255 sectors; partition 3: ID=3D0x8e, starthead 0=
,=20
startsector 2666790, 39262860 sectors, code offset 0x63
3. Run pygrub on that device:
  # pygrub "/dev/xen/blktap-2/tapdev6"
  This should display the PyGrub menu. After selecting a kernel, PyGrub sho=
uld=20
print somethin like this:
  linux (kernel /var/run/xend/boot/boot_kernel.g9ssQ9)
(ramdisk /var/run/xend/boot/boot_ramdisk.jAfNI9)
(args "root=3D/dev/mapper/vg_ucs-rootfs ro  splash  quiet loglevel=3D0 vga=
=3D788 ")
4. Destroy the blktap device to clean up step 1.
  # tap-ctl list | grep -F "/path/to/your/image.vhd"
  # tap-ctl destroy -p $pid -m $minor
  where $pid and $minor should be taken from the command above.

Sincerely
Philipp

PS: If by chance any of your files contains blanks or equal-signs, please l=
et=20
me know, since I spotted a Bug in handling them.
=2D-=20
Philipp Hahn           Open Source Software Engineer      hahn@univention.de
Univention GmbH        Linux for Your Business        fon: +49 421 22 232- 0
Mary-Somerville-Str.1  D-28359 Bremen                 fax: +49 421 22 232-99
                                                   http://www.univention.de/

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From: Artur Baruchi <mail.baruchi@gmail.com>
To: xen-users <Xen-users@lists.xensource.com>, Xen-devel@lists.xensource.com
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Subject: [Xen-users] VM Hanging after reboot
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Hi.

Im installing a VM to run a benchmark, Im able to install the VM issue
the first boot (to setup network configurations), but if I reboot the
VM it just hangs and do not boot. I've re-installed the machine but no
success. Follow some details:

- Dom0: Opensuse 11.3 (x86_64), kernel 2.6.34-12-xen,
xen-4.0.0_21091_05-6.6.x86_64
- DomU: Full Virtualization, Opensuse 11.3 (x86_64), kernel 2.6.34-12-desktop

Some errors in message file (not sure that this errors mean something
for this problem):
Nov 27 23:02:17 linuxtemp01 kernel: [ 5681.075141] ata1: link is slow
to respond, please be patient (ready=0)
Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.073141] ata1: device not
ready (errno=-16), forcing hardreset
Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.073236] ata1: soft resetting link
Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.228817] ata1.00: configured
for MWDMA2
Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230503] ata1.01: configured
for MWDMA1
Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230508] ata1.00: device
reported invalid CHS sector 0
Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230515] ata1: EH complete
Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701259] ata1.01: exception
Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701262] ata1.01: failed
command: WRITE DMA EXT
Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701265] ata1.01: cmd
35/00:98:ef:c0:24/00:02:02:00:00/f0 tag 0 dma 339968 out
Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701266]          res
40/00:01:00:00:00/00:00:00:00:00/b0 Emask 0x4 (timeout)
Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701268] ata1.01: status: { DRDY }
Nov 27 23:08:29 linuxtemp01 kernel: [ 6052.750078] ata1: link is slow
to respond, please be patient (ready=0)
Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.748079] ata1: device not
ready (errno=-16), forcing hardreset
Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.748134] ata1: soft resetting link
Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.902320] ata1.00: configured
for MWDMA2
Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903499] ata1.01: configured
for MWDMA1
Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903503] ata1.01: device
reported invalid CHS sector 0
Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903506] ata1: EH complete

My problem is very similar to this one:
http://web.archiveorange.com/archive/v/wmeLDfqXdkxOOQURv2Ak

But the workaround for this issue is not working for me.

Any help will be welcome.

Thanks in advance.

Att.
Artur Baruchi

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From: Artur Baruchi <mail.baruchi@gmail.com>
To: xen-users <Xen-users@lists.xensource.com>, Xen-devel@lists.xensource.com
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Subject: [Xen-users] VM Hanging after reboot
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Hi.

Im installing a VM to run a benchmark, Im able to install the VM issue
the first boot (to setup network configurations), but if I reboot the
VM it just hangs and do not boot. I've re-installed the machine but no
success. Follow some details:

- Dom0: Opensuse 11.3 (x86_64), kernel 2.6.34-12-xen,
xen-4.0.0_21091_05-6.6.x86_64
- DomU: Full Virtualization, Opensuse 11.3 (x86_64), kernel 2.6.34-12-desktop

Some errors in message file (not sure that this errors mean something
for this problem):
Nov 27 23:02:17 linuxtemp01 kernel: [ 5681.075141] ata1: link is slow
to respond, please be patient (ready=0)
Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.073141] ata1: device not
ready (errno=-16), forcing hardreset
Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.073236] ata1: soft resetting link
Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.228817] ata1.00: configured
for MWDMA2
Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230503] ata1.01: configured
for MWDMA1
Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230508] ata1.00: device
reported invalid CHS sector 0
Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230515] ata1: EH complete
Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701259] ata1.01: exception
Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701262] ata1.01: failed
command: WRITE DMA EXT
Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701265] ata1.01: cmd
35/00:98:ef:c0:24/00:02:02:00:00/f0 tag 0 dma 339968 out
Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701266]          res
40/00:01:00:00:00/00:00:00:00:00/b0 Emask 0x4 (timeout)
Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701268] ata1.01: status: { DRDY }
Nov 27 23:08:29 linuxtemp01 kernel: [ 6052.750078] ata1: link is slow
to respond, please be patient (ready=0)
Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.748079] ata1: device not
ready (errno=-16), forcing hardreset
Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.748134] ata1: soft resetting link
Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.902320] ata1.00: configured
for MWDMA2
Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903499] ata1.01: configured
for MWDMA1
Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903503] ata1.01: device
reported invalid CHS sector 0
Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903506] ata1: EH complete

My problem is very similar to this one:
http://web.archiveorange.com/archive/v/wmeLDfqXdkxOOQURv2Ak

But the workaround for this issue is not working for me.

Any help will be welcome.

Thanks in advance.

Att.
Artur Baruchi

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To: akhilesh kumar <akhipatel@gmail.com>, "Xen-users@lists.xensource.com"
	<Xen-users@lists.xensource.com>
Date: Wed, 30 Nov 2011 18:28:21 +0000
Thread-Topic: [Xen-users] GPU pass through support for GTX 480/590
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I have 2 gtx 590 in SLI mode (4 GPU Quad SLI)
Can't get any drivers to compile/run under xenserver.
Loaded Gnome GUI on Dom0 and can run it at 720p resolution, but not higher,=
 and the 720p looks ugly on my 1600p monitor  Can't get resolution to run h=
igher

[cid:image001.png@01CCAF63.EE02DD50]

From: xen-users-bounces@lists.xensource.com [mailto:xen-users-bounces@lists=
.xensource.com] On Behalf Of akhilesh kumar
Sent: Wednesday, November 30, 2011 12:52 PM
To: Xen-users@lists.xensource.com
Subject: [Xen-users] GPU pass through support for GTX 480/590

Hi All,

My graphics is slow on HVM guest so To make it fast I want to use GPU pass =
through
but in xen source i did not find support for that (device ID for graphics c=
ard GTX 480/590)
I have bellow configuration
1->Intel VT support board
2->xen 4.0
3->GTX 480/590

I have the following query

1->with open source xen 4.0, Can  I use GPU pass-through for GTX 480/590 or=
 I need to apply some patces
2->Will GPU pass through really make graphics fast on HVM

Thanks,
Akhilesh



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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue vli=
nk=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span style=3D'f=
ont-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I have 2 =
gtx 590 in SLI mode (4 GPU Quad SLI)<o:p></o:p></span></p><p class=3DMsoNor=
mal><span style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";colo=
r:#1F497D'>Can&#8217;t get any drivers to compile/run under xenserver.<o:p>=
</o:p></span></p><p class=3DMsoNormal><span style=3D'font-size:11.0pt;font-=
family:"Calibri","sans-serif";color:#1F497D'>Loaded Gnome GUI on Dom0 and c=
an run it at 720p resolution, but not higher, and the 720p looks ugly on my=
 1600p monitor&nbsp; Can&#8217;t get resolution to run higher<o:p></o:p></s=
pan></p><p class=3DMsoNormal><span style=3D'font-size:11.0pt;font-family:"C=
alibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=3D=
MsoNormal><span style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif=
";color:#1F497D'><img width=3D431 height=3D200 id=3D"Picture_x0020_1" src=
=3D"cid:image001.png@01CCAF63.EE02DD50" alt=3D"Description: sig"><o:p></o:p=
></span></p><p class=3DMsoNormal><span style=3D'font-size:11.0pt;font-famil=
y:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p clas=
s=3DMsoNormal><b><span style=3D'font-size:10.0pt;font-family:"Tahoma","sans=
-serif"'>From:</span></b><span style=3D'font-size:10.0pt;font-family:"Tahom=
a","sans-serif"'> xen-users-bounces@lists.xensource.com [mailto:xen-users-b=
ounces@lists.xensource.com] <b>On Behalf Of </b>akhilesh kumar<br><b>Sent:<=
/b> Wednesday, November 30, 2011 12:52 PM<br><b>To:</b> Xen-users@lists.xen=
source.com<br><b>Subject:</b> [Xen-users] GPU pass through support for GTX =
480/590<o:p></o:p></span></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><div=
><p class=3DMsoNormal>Hi All,<o:p></o:p></p></div><div><p class=3DMsoNormal=
><o:p>&nbsp;</o:p></p></div><div><p class=3DMsoNormal>My graphics is slow o=
n HVM guest so To make it fast I want to use GPU pass through<o:p></o:p></p=
></div><div><p class=3DMsoNormal>but in xen source i did not find support f=
or that (device ID for graphics card GTX 480/590)<o:p></o:p></p></div><div>=
<p class=3DMsoNormal>I have bellow configuration&nbsp;<o:p></o:p></p></div>=
<div><p class=3DMsoNormal>1-&gt;Intel VT support board&nbsp;<o:p></o:p></p>=
</div><div><p class=3DMsoNormal>2-&gt;xen 4.0<o:p></o:p></p></div><div><p c=
lass=3DMsoNormal>3-&gt;GTX 480/590&nbsp;<o:p></o:p></p></div><div><p class=
=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p class=3DMsoNormal>I have th=
e following query&nbsp;<o:p></o:p></p></div><div><p class=3DMsoNormal><o:p>=
&nbsp;</o:p></p></div><div><p class=3DMsoNormal>1-&gt;with open source xen =
4.0, Can &nbsp;I use GPU&nbsp;pass-through for GTX 480/590 or I need to app=
ly some patces&nbsp;<o:p></o:p></p></div><div><p class=3DMsoNormal>2-&gt;Wi=
ll GPU pass through really make graphics fast on HVM&nbsp;<o:p></o:p></p></=
div><div><p class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p class=3DMs=
oNormal>Thanks,<o:p></o:p></p></div><div><p class=3DMsoNormal>Akhilesh&nbsp=
;<o:p></o:p></p></div><div><p class=3DMsoNormal><o:p>&nbsp;</o:p></p></div>=
<div><p class=3DMsoNormal>&nbsp; &nbsp;<o:p></o:p></p></div></div></body></=
html>=

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	<Xen-users@lists.xensource.com>
Date: Wed, 30 Nov 2011 18:28:21 +0000
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I have 2 gtx 590 in SLI mode (4 GPU Quad SLI)
Can't get any drivers to compile/run under xenserver.
Loaded Gnome GUI on Dom0 and can run it at 720p resolution, but not higher,=
 and the 720p looks ugly on my 1600p monitor  Can't get resolution to run h=
igher

[cid:image001.png@01CCAF63.EE02DD50]

From: xen-users-bounces@lists.xensource.com [mailto:xen-users-bounces@lists=
.xensource.com] On Behalf Of akhilesh kumar
Sent: Wednesday, November 30, 2011 12:52 PM
To: Xen-users@lists.xensource.com
Subject: [Xen-users] GPU pass through support for GTX 480/590

Hi All,

My graphics is slow on HVM guest so To make it fast I want to use GPU pass =
through
but in xen source i did not find support for that (device ID for graphics c=
ard GTX 480/590)
I have bellow configuration
1->Intel VT support board
2->xen 4.0
3->GTX 480/590

I have the following query

1->with open source xen 4.0, Can  I use GPU pass-through for GTX 480/590 or=
 I need to apply some patces
2->Will GPU pass through really make graphics fast on HVM

Thanks,
Akhilesh



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nk=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span style=3D'f=
ont-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I have 2 =
gtx 590 in SLI mode (4 GPU Quad SLI)<o:p></o:p></span></p><p class=3DMsoNor=
mal><span style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";colo=
r:#1F497D'>Can&#8217;t get any drivers to compile/run under xenserver.<o:p>=
</o:p></span></p><p class=3DMsoNormal><span style=3D'font-size:11.0pt;font-=
family:"Calibri","sans-serif";color:#1F497D'>Loaded Gnome GUI on Dom0 and c=
an run it at 720p resolution, but not higher, and the 720p looks ugly on my=
 1600p monitor&nbsp; Can&#8217;t get resolution to run higher<o:p></o:p></s=
pan></p><p class=3DMsoNormal><span style=3D'font-size:11.0pt;font-family:"C=
alibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=3D=
MsoNormal><span style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif=
";color:#1F497D'><img width=3D431 height=3D200 id=3D"Picture_x0020_1" src=
=3D"cid:image001.png@01CCAF63.EE02DD50" alt=3D"Description: sig"><o:p></o:p=
></span></p><p class=3DMsoNormal><span style=3D'font-size:11.0pt;font-famil=
y:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p clas=
s=3DMsoNormal><b><span style=3D'font-size:10.0pt;font-family:"Tahoma","sans=
-serif"'>From:</span></b><span style=3D'font-size:10.0pt;font-family:"Tahom=
a","sans-serif"'> xen-users-bounces@lists.xensource.com [mailto:xen-users-b=
ounces@lists.xensource.com] <b>On Behalf Of </b>akhilesh kumar<br><b>Sent:<=
/b> Wednesday, November 30, 2011 12:52 PM<br><b>To:</b> Xen-users@lists.xen=
source.com<br><b>Subject:</b> [Xen-users] GPU pass through support for GTX =
480/590<o:p></o:p></span></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><div=
><p class=3DMsoNormal>Hi All,<o:p></o:p></p></div><div><p class=3DMsoNormal=
><o:p>&nbsp;</o:p></p></div><div><p class=3DMsoNormal>My graphics is slow o=
n HVM guest so To make it fast I want to use GPU pass through<o:p></o:p></p=
></div><div><p class=3DMsoNormal>but in xen source i did not find support f=
or that (device ID for graphics card GTX 480/590)<o:p></o:p></p></div><div>=
<p class=3DMsoNormal>I have bellow configuration&nbsp;<o:p></o:p></p></div>=
<div><p class=3DMsoNormal>1-&gt;Intel VT support board&nbsp;<o:p></o:p></p>=
</div><div><p class=3DMsoNormal>2-&gt;xen 4.0<o:p></o:p></p></div><div><p c=
lass=3DMsoNormal>3-&gt;GTX 480/590&nbsp;<o:p></o:p></p></div><div><p class=
=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p class=3DMsoNormal>I have th=
e following query&nbsp;<o:p></o:p></p></div><div><p class=3DMsoNormal><o:p>=
&nbsp;</o:p></p></div><div><p class=3DMsoNormal>1-&gt;with open source xen =
4.0, Can &nbsp;I use GPU&nbsp;pass-through for GTX 480/590 or I need to app=
ly some patces&nbsp;<o:p></o:p></p></div><div><p class=3DMsoNormal>2-&gt;Wi=
ll GPU pass through really make graphics fast on HVM&nbsp;<o:p></o:p></p></=
div><div><p class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p class=3DMs=
oNormal>Thanks,<o:p></o:p></p></div><div><p class=3DMsoNormal>Akhilesh&nbsp=
;<o:p></o:p></p></div><div><p class=3DMsoNormal><o:p>&nbsp;</o:p></p></div>=
<div><p class=3DMsoNormal>&nbsp; &nbsp;<o:p></o:p></p></div></div></body></=
html>=

--_000_DCD0554F601CF946A51CAE28BBABDC4C2F7AE2D20Emb001_--

--_004_DCD0554F601CF946A51CAE28BBABDC4C2F7AE2D20Emb001_
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Date: Wed, 30 Nov 2011 18:15:45 -0400
From: Konrad Rzeszutek Wilk <konrad@darnok.org>
To: Artur Baruchi <mail.baruchi@gmail.com>
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Subject: Re: [Xen-users] [Xen-devel] VM Hanging after reboot
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On Wed, Nov 30, 2011 at 04:46:55PM -0200, Artur Baruchi wrote:
> I just configured the serial console to see what is going on during
> the boot. I tried to run fsck and changed the grub to use the device
> path (/dev/sdaX) instead udisks-part-id, but no success.
> 
> Follow the console errors:
> 

That looks like your disk is going bad?

Was there anything before this? Like the IRQs not setup properly?

> Loading drivers, configuring devices: [   69.701448] ata1.00:
> exception Emask 0x0 SAct 0x0 SErr 0x0 act
>  ion 0x6 frozen
> [   69.705706] ata1.00: failed command: READ DMA
> [   69.708402] ata1.00: cmd c8/00:20:b8:7a:66/00:00:00:00:00/e0 tag 0
> dma 16384 in
> [   69.708403]          res 40/00:01:00:00:00/00:00:00:00:00/a0 Emask
> 0x4 (timeout)
> [   69.717358] ata1.00: status: { DRDY }
> [   69.872400] ata1.00: revalidation failed (errno=-2)
> [   75.023385] ata1.00: revalidation failed (errno=-2)
> [   80.174383] ata1.00: revalidation failed (errno=-2)
> [   80.329687] end_request: I/O error, dev sda, sector 6716088
> [   80.333096] end_request: I/O error, dev sda, sector 6716088
> [   80.336676] end_request: I/O error, dev sda, sector 6716088
> [   80.340408] end_request: I/O error, dev sda, sector 6145504
> [   80.344063] end_request: I/O error, dev sda, sector 6145504
> [   80.347465] end_request: I/O error, dev sda, sector 6145504
> [   80.351795] end_request: I/O error, dev sda, sector 6145504
> [   80.356081] end_request: I/O error, dev sda, sector 6145504
> [   80.359587] end_request: I/O error, dev sda, sector 6145504
> [   80.363115] end_request: I/O error, dev sda, sector 6145504
> [   80.366535] end_request: I/O error, dev sda, sector 6145504
> [   80.370034] end_request: I/O error, dev sda, sector 6145504
> [   80.373924] end_request: I/O error, dev sda, sector 9979920
> [   80.377458] Buffer I/O error on device sda3, logical block 721410
> [   80.389108] end_request: I/O error, dev sda, sector 4970504
> [   80.392576] end_request: I/O error, dev sda, sector 4970504
> [   80.396208] end_request: I/O error, dev sda, sector 11290592
> [   80.399747] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> to read inode block - inode=2231                               26,
> block=885244
> [   80.406333] end_request: I/O error, dev sda, sector 4208640
> [   80.409650] Buffer I/O error on device sda3, logical block 0
> udevd-work[1631]: exec of program '/lib/udev/ata_id' failed
> 
> [   80.416228] end_request: I/O error, dev sda, sector 6796224
> [   80.419759] end_request: I/O error, dev sda, sector 6796288
> [   80.423135] end_request: I/O error, dev sda, sector 6796288
> [   80.425117] end_request: I/O error, dev sda, sector 6796288
> [   80.427447] end_request: I/O error, dev sda, sector 6796288
> [   80.429840] end_request: I/O error, dev sda, sector 6796288
> [   80.432094] end_request: I/O error, dev sda, sector 6796288
> [   80.434425] end_request: I/O error, dev sda, sector 6796288
> [   80.436746] end_request: I/O error, dev sda, sector 6796288
> [   80.439043] end_request: I/O error, dev sda, sector 6796288
> [   80.441358] end_request: I/O error, dev sda, sector 6796288
> [   80.443626] end_request: I/O error, dev sda, sector 6796288
> [   80.445864] end_request: I/O error, dev sda, sector 6796288
> [   80.448051] end_request: I/O error, dev sda, sector 6796288
> [   80.450271] end_request: I/O error, dev sda, sector 6796288
> [   80.452482] end_request: I/O error, dev sda, sector 6796288
> [   80.454745] end_request: I/O error, dev sda, sector 6796288
> [   80.457029] end_request: I/O error, dev sda, sector 6796288
> [   80.459299] end_request: I/O error, dev sda, sector 6796288
> [   80.461604] end_request: I/O error, dev sda, sector 6796288
> [   80.463843] end_request: I/O error, dev sda, sector 6796288
> [   80.466045] end_request: I/O error, dev sda, sector 6796288
> [   80.468274] end_request: I/O error, dev sda, sector 6796288
> [   80.470510] end_request: I/O error, dev sda, sector 6796288
> [   80.472725] end_request: I/O error, dev sda, sector 6796288
> [   80.474902] end_request: I/O error, dev sda, sector 6796288
> [   80.477103] end_request: I/O error, dev sda, sector 6796288
> [   80.479278] end_request: I/O error, dev sda, sector 6796288
> [   80.481514] end_request: I/O error, dev sda, sector 6796288
> [   80.483647] end_request: I/O error, dev sda, sector 6796288
> [   80.485780] end_request: I/O error, dev sda, sector 6796288
> [   80.487838] end_request: I/O error, dev sda, sector 6796288
> [   80.489897] end_request: I/O error, dev sda, sector 6796224
> [   80.491920] end_request: I/O error, dev sda, sector 6796224
> [   80.494294] end_request: I/O error, dev sda, sector 4971928
> [   80.496445] end_request: I/O error, dev sda, sector 4971928
> [   80.498650] end_request: I/O error, dev sda, sector 11290592
> [   80.500834] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> to read inode block - inode=2231                               26,
> block=885244
> [   80.504930] end_request: I/O error, dev sda, sector 4208640
> [   80.507019] Buffer I/O error on device sda3, logical block 0
> udevd-work[1632]: exec of program '/lib/udev/scsi_id' failed
> 
> [   80.511028] end_request: I/O error, dev sda, sector 12352272
> [   80.513236] Buffer I/O error on device sda3, logical block 1017954
> [   80.515677] end_request: I/O error, dev sda, sector 12360888
> [   80.518021] Buffer I/O error on device sda3, logical block 1019031
> [   80.520527] Buffer I/O error on device sda3, logical block 1019032
> [   80.523072] end_request: I/O error, dev sda, sector 9980016
> [   80.525394] journal_bmap: journal block not found at offset 12 on sda3
> [   80.527956] Aborting journal on device sda3.
> [   80.529854] end_request: I/O error, dev sda, sector 9979920
> [   80.532119] Buffer I/O error on device sda3, logical block 721410
> [   80.534799] end_request: I/O error, dev sda, sector 9979928
> [   80.537239] end_request: I/O error, dev sda, sector 9979936
> [   80.539639] end_request: I/O error, dev sda, sector 9370632
> [   80.542144] end_request: I/O error, dev sda, sector 9370632
> [   80.544499] EXT3-fs (sda3): error: ext3_journal_start_sb: Detected
> aborted journal
> [   80.547659] EXT3-fs (sda3): error: remounting filesystem read-only
> [   80.550535] end_request: I/O error, dev sda, sector 11290592
> [   80.552989] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> to read inode block - inode=2231                               26,
> block=885244
> udevd-work[1634]: exec of program '/sbin/blkid' failed
> 
> [   80.559337] end_request: I/O error, dev sda, sector 4972560
> [   80.561964] end_request: I/O error, dev sda, sector 4972560
> [   80.564546] end_request: I/O error, dev sda, sector 11290592
> [   80.567069] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> to read inode block - inode=2231                               26,
> block=885244
> udevd-work[1635]: exec of program '/lib/udev/edd_id' failed
> 
> [   80.576377] end_request: I/O error, dev sda, sector 4952712
> [   80.580086] end_request: I/O error, dev sda, sector 4952712
> [   80.583689] end_request: I/O error, dev sda, sector 11290592
> [   80.586292] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> to read inode block - inode=2231                               26,
> block=885244
> udevd-work[1636]: exec of program '/lib/udev/udisks-part-id' failed
> 
> [   80.593995] end_request: I/O error, dev sda, sector 9370632
> [   80.596704] end_request: I/O error, dev sda, sector 9370632
> [   80.596755] end_request: I/O error, dev sda, sector 11290592
> [   80.596760] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> to read inode block - inode=2231                               26,
> block=885244
> udevd-work[1637][   80.608632] end_request: I/O error, dev sda, sector 11290592
> : exec of program '/sbin/blkid' failed[   80.612951] EXT3-fs error
> (device sda3): ext3_get_inode_loc: u
> nable to read inode block - inode=223126, block=885244
> 
> 
> [   80.621449] end_request: I/O error, dev sda, sector 9370632
> [   80.624665] end_request: I/O error, dev sda, sector 11290592
> [   80.627305] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> to read inode block - inode=2231                               26,
> block=885244
> udevd-work[1638]: exec of program '/sbin/blkid' failed
> 
> udevd-work[1639]: exec of program '/sbin/blkid' failed
> 
> [   80.635017] end_request: I/O error, dev sda, sector 4952712
> [   80.637899] end_request: I/O error, dev sda, sector 4952712
> [   80.637956] end_request: I/O error, dev sda, sector 11290592
> [   80.637962] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> to read inode block - inode=2231                               26,
> block=885244
> [   80.649954] end_request: I/O error, dev sda, sector 4952712
> udevd-work[1640]: exec of program '/lib/udev/udi[   80.649974]
> end_request: I/O error, dev sda, sector
> 11290592
> sks-part-id' failed
> [   80.649981] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> to read inode block - inode=2231                               26,
> block=885244
> 
> udevd-work[1641][   80.664921] end_request: I/O error, dev sda, sector 11290592
> : exec of program '/lib/udev/udisks-part-id' fai[   80.669088] EXT3-fs
> error (device sda3): ext3_get_in
> ode_loc: ledunable to read inode block - inode=223126, block=885244
> 
> 
> udevd-work[1642]: exec of program '/lib/udev/udisks-part-id' failed
> 
>                                                                       done
> [   80.688649] end_request: I/O error, dev sda, sector 11516760
> [   80.693402] end_request: I/O error, dev sda, sector 11517320
> [   80.698410] end_request: I/O error, dev sda, sector 11516760
> boot.loadmodules: Input/output error
> [   80.705752] end_request: I/O error, dev sda, sector 11517320
> boot.rootfsck: Input/output error
> [   80.712719] end_request: I/O error, dev sda, sector 11516496
> [   80.717814] end_request: I/O error, dev sda, sector 11516704
> [   80.730101] end_request: I/O error, dev sda, sector 11516496
> boot.clock: Input/output error
> [   80.736217] end_request: I/O error, dev sda, sector 11516768
> [   80.741296] end_request: I/O error, dev sda, sector 11352104
> [   80.745949] end_request: I/O error, dev sda, sector 11352104
> boot.device-mapper: Input/output error
> [   80.753208] end_request: I/O error, dev sda, sector 11516768
> boot.localfs: Input/output error
> [   80.760052] end_request: I/O error, dev sda, sector 11516488
> [   80.764909] end_request: I/O error, dev sda, sector 11499608
> [   80.769502] end_request: I/O error, dev sda, sector 11303224
> [   80.775085] end_request: I/O error, dev sda, sector 11516744
> [   80.779703] end_request: I/O error, dev sda, sector 11517168
> [   80.784166] end_request: I/O error, dev sda, sector 11517360
> [   80.788596] end_request: I/O error, dev sda, sector 11518640
> [   80.793861] end_request: I/O error, dev sda, sector 11518640
> [   80.798273] end_request: I/O error, dev sda, sector 11517360
> [   80.803364] end_request: I/O error, dev sda, sector 11517176
> boot.swap: Input/output error
> [   80.809435] end_request: I/O error, dev sda, sector 11517168
> boot.proc: Input/output error
> [   80.815339] end_request: I/O error, dev sda, sector 11516488
> boot.localnet: Input/output error[   80.820846] end_request: I/O
> error, dev sda, sector 11516744
> [   80.825458] end_request: I/O error, dev sda, sector 11499608
> [   80.829771] end_request: I/O error, dev sda, sector 11303224
> [   80.834086] end_request: I/O error, dev sda, sector 11516752
> 
> boot.cleanup: In[   80.838667] end_request: I/O error, dev sda, sector 11518160
> put/output error[   80.843568] end_request: I/O error, dev sda, sector 11516752
> 
> [   80.847792] end_request: I/O error, dev sda, sector 11518160
> boot.cycle: Input/output error[   80.853141] end_request: I/O error,
> dev sda, sector 11417656
> 
> [   80.853840] end_request: I/O error, dev sda, sector 11417656
> boot.fuse: Input/output error
> boot.klog: Input/output error
> boot.sysctl: Input/output error
> [   80.865148] end_request: I/O error, dev sda, sector 11516712
> [   80.865199] end_request: I/O error, dev sda, sector 11516712
> boot.ldconfig: Input/output error
> boot.udev_retry: Input/output error
> boot.apparmor: Input/output error
> boot.ipconfig: Input/output error
> System Boot Control: The system has been                              set up
> Failed features: boot.loadmodules boot.rootfsck boot.clock
> boot.device-mapper boot.localfs boot.cleanup
>      boot.cycle boot.fuse boot.klog boot.localnet boot.proc boot.swap
> boot.sysctl boot.ldconfig boot.udev_r
> etry boot.apparmor boot.ipconfig
> System Boot Control: Running /etc/init.d/boot.local
> [   80.890020] end_request: I/O error, dev sda, sector 11540760
> [   80.892185] end_request: I/O error, dev sda, sector 11540760
> /etc/init.d/boot.local: /etc/init.d/boot.local: Input/output error    failed
> [   80.897735] end_request: I/O error, dev sda, sector 9369944
> [   80.900025] end_request: I/O error, dev sda, sector 9369944
> [   80.902265] end_request: I/O error, dev sda, sector 9369944
> /etc/init.d/boot: line 314: /sbin/killproc: Input/output error
> /etc/init.d/boot: line 326: /var/run/no_blogd: Read-only file system
> [   80.909885] end_request: I/O error, dev sda, sector 12335128
> [   80.913314] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> to read inode block - inode=2539                               69,
> block=1015811
> [   80.920333] end_request: I/O error, dev sda, sector 12335128
> [   80.923922] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> to read inode block - inode=2539                               69,
> block=1015811
> [   80.931552] end_request: I/O error, dev sda, sector 12335128
> [   80.935604] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> to read inode block - inode=2539                               69,
> block=1015811
> [   80.944776] end_request: I/O error, dev sda, sector 11290592
> [   80.948819] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> to read inode block - inode=2231                               26,
> block=885244
> INIT: Entering runlevel: 3
> [   80.965451] end_request: I/O error, dev sda, sector 11519720
> [   80.969737] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> [   80.980514] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
> 80.987414] end_request: I/O erro                               r, dev
> sda, sector 11519720
> 
> [   80.991743] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript:[   80.996145] end_request: I/O error, dev sda, sector 11519720
>  line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/s[   81.005996] end_request: I/O error,
> dev sda, sector 11519720
> ysconfig/ulimit: Input/output er[   81.010510] end_request: I/O error,
> dev sda, sector 11519720
> ror[   81.016077] end_request: I/O error, dev sda, sector 11519720
> 
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
> 81.022320] end_request: I/O erro                               r, dev
> sda, sector 11519720
> 
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript:[   81.030711] end_request: I/O error, dev sda, sector 11519720
>  line 77: /etc/sysconfig/ulimit:[   81.035523] end_request: I/O error,
> dev sda, sector 11519720
>  Input/output error
> /etc/initscript:[   81.043077] end_request: I/O error, dev sda, sector 11519720
>  line 77: /etc/sysconfig/ulimit:[   81.047889] end_request: I/O error,
> dev sda, sector 11519720
>  Input/output error[   81.052231] end_request: I/O error, dev sda,
> sector 11519720
> 
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/outp[
> 81.062739] end_request: I/O error, dev s
> da, sector 11519720
> ut error
> [   81.066952] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> [   81.081287] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit:[   81.087077]
> end_request: I/O error, dev sda, sector
> 11519720
>  Input/output error
> [   81.092828] end_request: I/O error, dev sda, sector 11519720
> [   81.097171] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
> 81.105199] end_request: I/O error,                                dev
> sda, sector 11519720
> ror
> /etc/initscript: line 77: /[   81.109861] end_request: I/O error, dev
> sda, sector 11519720
> etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input[   81.116079]
> end_request: I/O error, dev sda, s                               ector
> 11519720
> /output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/uli[   81.123656]
> end_request: I/O error, dev sda, sector 1151
>     9720
> mit: Input/output error
> [   81.131077] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript:[   81.135256] end_request: I/O error, dev sda, sector 11519720
>  line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> [   81.145043] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
> 81.151102] end_request: I/O erro                               r, dev
> sda, sector 11519720
> 
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript:[   81.158246] end_request: I/O error, dev sda, sector 11519720
>  line 77: /etc/sysconfig/ulimit: Input/output error[   81.163908]
> end_request: I/O error, dev sda, sect                               or
> 11519720
> 
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript:[   81.170077] end_request: I/O error, dev sda, sector 11519720
>  line 77: /etc/sysconfig/ulimit: Input/output error
> [   81.175614] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
> 81.181692] end_request: I/O erro                               r, dev
> sda, sector 11519720
> 
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> [   81.188834] end_request: I/O error, dev sda, sector 11519720
> [   81.193074] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ul[   81.202959] end_request:
> I/O error, dev sda, sector 11519                               720
> imit: Input/output error
> [   81.209078] end_request: I/O error, dev sda, sector 11519720
> [   81.215046] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit:[   81.220029]
> end_request: I/O error, dev sda, sector
> 11519720
>  Input/output error
> /etc/initscript:[   81.224860] end_request: I/O error, dev sda, sector 11519720
>  line 77: /etc/sysconfig/ulimit: Input/output error[   81.230950]
> end_request: I/O error, dev sda, sect                               or
> 11519720
> 
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> [   81.241445] end_request: I/O error, dev sda, sector 11519720
> [   81.245133] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
> 81.253519] end_request: I/O erro                               r, dev
> sda, sector 11519720
> 
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
> 81.259342] end_request: I/O error,                                dev
> sda, sector 11519720
> ror
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/outp[
> 81.265077] end_request: I/O error, dev s
> da, sector 11519720
> ut error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sy[   81.271786] end_request: I/O
> error, dev sda, sector 11519720
> sconfig/ulimit: Input/output error
> [   81.277066] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> [   81.284078] end_request: I/O error, dev sda, sector 11519720
> [   81.287740] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit:[   81.292708]
> end_request: I/O error, dev sda, sector
> 11519720
>  Input/output error[   81.298719] end_request: I/O error, dev sda,
> sector 11519720
> 
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript:[   81.304841] end_request: I/O error, dev sda, sector 11519720
>  line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> [   81.313187] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> [   81.324518] end_request: I/O error, dev sda, sector 11519720
> [   81.329435] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
> 81.334830] end_request: I/O error,                                dev
> sda, sector 11519720
> ror
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line [   81.341698] end_request: I/O error, dev sda,
> sector 11519720
> 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> INIT: Id "6[   81.349010] end_request: I/O error, dev sda, sector 11519720
> " respawning too fast: disabled for 5 minutes
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
> 81.355880] end_request: I/O error,                                dev
> sda, sector 11519720
> ror
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> [   81.363875] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
> 81.369261] end_request: I/O error,                                dev
> sda, sector 11519720
> ror
> INIT: Id "co" respawning too fast: disabled for 5 minutes
> /etc/initscript: line 77: /etc[   81.376228] end_request: I/O error,
> dev sda, sector 11519720
> /sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> INI[   81.383188] end_request: I/O error, dev sda, sector 11519720
> T: Id "3" respawning too fast: disabled for 5 minutes
> /etc/initscript: line 77[   81.389244] end_request: I/O error, dev
> sda, sector 11519720
> : /etc/sysconfig/ulimit: Input/output error
> INIT: Id "4" respawning too fast: disabled for 5 minutes
> /etc/in[   81.395907] end_request: I/O error, dev sda, sector 11519720
> itscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: I[   81.403341]
> end_request: I/O error, dev sda, secto                               r
> 11519720
> nput/output error
> INIT: Id "5" respawning too fast: disabled for 5 minutes
> /etc/initscript: [   81.410018] end_request: I/O error, dev sda, sector 11519720
> line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> INIT: Id "1" respawning too fast: disabled for 5 minutes
> [   81.420725] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> [   81.430746] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> [   81.440664] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> INIT: Id "2" respawning too fast: disabled for 5 minutes
> INIT: no more processes left in this runlevel
> 
> 
> 
> 
> On Wed, Nov 30, 2011 at 11:48 AM, Artur Baruchi <mail.baruchi@gmail.com> wrote:
> > Hi.
> >
> > Im installing a VM to run a benchmark, Im able to install the VM issue
> > the first boot (to setup network configurations), but if I reboot the
> > VM it just hangs and do not boot. I've re-installed the machine but no
> > success. Follow some details:
> >
> > - Dom0: Opensuse 11.3 (x86_64), kernel 2.6.34-12-xen,
> > xen-4.0.0_21091_05-6.6.x86_64
> > - DomU: Full Virtualization, Opensuse 11.3 (x86_64), kernel 2.6.34-12-desktop
> >
> > Some errors in message file (not sure that this errors mean something
> > for this problem):
> > Nov 27 23:02:17 linuxtemp01 kernel: [ 5681.075141] ata1: link is slow
> > to respond, please be patient (ready=0)
> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.073141] ata1: device not
> > ready (errno=-16), forcing hardreset
> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.073236] ata1: soft resetting link
> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.228817] ata1.00: configured
> > for MWDMA2
> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230503] ata1.01: configured
> > for MWDMA1
> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230508] ata1.00: device
> > reported invalid CHS sector 0
> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230515] ata1: EH complete
> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701259] ata1.01: exception
> > Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701262] ata1.01: failed
> > command: WRITE DMA EXT
> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701265] ata1.01: cmd
> > 35/00:98:ef:c0:24/00:02:02:00:00/f0 tag 0 dma 339968 out
> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701266] ? ? ? ? ?res
> > 40/00:01:00:00:00/00:00:00:00:00/b0 Emask 0x4 (timeout)
> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701268] ata1.01: status: { DRDY }
> > Nov 27 23:08:29 linuxtemp01 kernel: [ 6052.750078] ata1: link is slow
> > to respond, please be patient (ready=0)
> > Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.748079] ata1: device not
> > ready (errno=-16), forcing hardreset
> > Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.748134] ata1: soft resetting link
> > Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.902320] ata1.00: configured
> > for MWDMA2
> > Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903499] ata1.01: configured
> > for MWDMA1
> > Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903503] ata1.01: device
> > reported invalid CHS sector 0
> > Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903506] ata1: EH complete
> >
> > My problem is very similar to this one:
> > http://web.archiveorange.com/archive/v/wmeLDfqXdkxOOQURv2Ak
> >
> > But the workaround for this issue is not working for me.
> >
> > Any help will be welcome.
> >
> > Thanks in advance.
> >
> > Att.
> > Artur Baruchi
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel

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Date: Wed, 30 Nov 2011 18:15:45 -0400
From: Konrad Rzeszutek Wilk <konrad@darnok.org>
To: Artur Baruchi <mail.baruchi@gmail.com>
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Subject: Re: [Xen-users] [Xen-devel] VM Hanging after reboot
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On Wed, Nov 30, 2011 at 04:46:55PM -0200, Artur Baruchi wrote:
> I just configured the serial console to see what is going on during
> the boot. I tried to run fsck and changed the grub to use the device
> path (/dev/sdaX) instead udisks-part-id, but no success.
> 
> Follow the console errors:
> 

That looks like your disk is going bad?

Was there anything before this? Like the IRQs not setup properly?

> Loading drivers, configuring devices: [   69.701448] ata1.00:
> exception Emask 0x0 SAct 0x0 SErr 0x0 act
>  ion 0x6 frozen
> [   69.705706] ata1.00: failed command: READ DMA
> [   69.708402] ata1.00: cmd c8/00:20:b8:7a:66/00:00:00:00:00/e0 tag 0
> dma 16384 in
> [   69.708403]          res 40/00:01:00:00:00/00:00:00:00:00/a0 Emask
> 0x4 (timeout)
> [   69.717358] ata1.00: status: { DRDY }
> [   69.872400] ata1.00: revalidation failed (errno=-2)
> [   75.023385] ata1.00: revalidation failed (errno=-2)
> [   80.174383] ata1.00: revalidation failed (errno=-2)
> [   80.329687] end_request: I/O error, dev sda, sector 6716088
> [   80.333096] end_request: I/O error, dev sda, sector 6716088
> [   80.336676] end_request: I/O error, dev sda, sector 6716088
> [   80.340408] end_request: I/O error, dev sda, sector 6145504
> [   80.344063] end_request: I/O error, dev sda, sector 6145504
> [   80.347465] end_request: I/O error, dev sda, sector 6145504
> [   80.351795] end_request: I/O error, dev sda, sector 6145504
> [   80.356081] end_request: I/O error, dev sda, sector 6145504
> [   80.359587] end_request: I/O error, dev sda, sector 6145504
> [   80.363115] end_request: I/O error, dev sda, sector 6145504
> [   80.366535] end_request: I/O error, dev sda, sector 6145504
> [   80.370034] end_request: I/O error, dev sda, sector 6145504
> [   80.373924] end_request: I/O error, dev sda, sector 9979920
> [   80.377458] Buffer I/O error on device sda3, logical block 721410
> [   80.389108] end_request: I/O error, dev sda, sector 4970504
> [   80.392576] end_request: I/O error, dev sda, sector 4970504
> [   80.396208] end_request: I/O error, dev sda, sector 11290592
> [   80.399747] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> to read inode block - inode=2231                               26,
> block=885244
> [   80.406333] end_request: I/O error, dev sda, sector 4208640
> [   80.409650] Buffer I/O error on device sda3, logical block 0
> udevd-work[1631]: exec of program '/lib/udev/ata_id' failed
> 
> [   80.416228] end_request: I/O error, dev sda, sector 6796224
> [   80.419759] end_request: I/O error, dev sda, sector 6796288
> [   80.423135] end_request: I/O error, dev sda, sector 6796288
> [   80.425117] end_request: I/O error, dev sda, sector 6796288
> [   80.427447] end_request: I/O error, dev sda, sector 6796288
> [   80.429840] end_request: I/O error, dev sda, sector 6796288
> [   80.432094] end_request: I/O error, dev sda, sector 6796288
> [   80.434425] end_request: I/O error, dev sda, sector 6796288
> [   80.436746] end_request: I/O error, dev sda, sector 6796288
> [   80.439043] end_request: I/O error, dev sda, sector 6796288
> [   80.441358] end_request: I/O error, dev sda, sector 6796288
> [   80.443626] end_request: I/O error, dev sda, sector 6796288
> [   80.445864] end_request: I/O error, dev sda, sector 6796288
> [   80.448051] end_request: I/O error, dev sda, sector 6796288
> [   80.450271] end_request: I/O error, dev sda, sector 6796288
> [   80.452482] end_request: I/O error, dev sda, sector 6796288
> [   80.454745] end_request: I/O error, dev sda, sector 6796288
> [   80.457029] end_request: I/O error, dev sda, sector 6796288
> [   80.459299] end_request: I/O error, dev sda, sector 6796288
> [   80.461604] end_request: I/O error, dev sda, sector 6796288
> [   80.463843] end_request: I/O error, dev sda, sector 6796288
> [   80.466045] end_request: I/O error, dev sda, sector 6796288
> [   80.468274] end_request: I/O error, dev sda, sector 6796288
> [   80.470510] end_request: I/O error, dev sda, sector 6796288
> [   80.472725] end_request: I/O error, dev sda, sector 6796288
> [   80.474902] end_request: I/O error, dev sda, sector 6796288
> [   80.477103] end_request: I/O error, dev sda, sector 6796288
> [   80.479278] end_request: I/O error, dev sda, sector 6796288
> [   80.481514] end_request: I/O error, dev sda, sector 6796288
> [   80.483647] end_request: I/O error, dev sda, sector 6796288
> [   80.485780] end_request: I/O error, dev sda, sector 6796288
> [   80.487838] end_request: I/O error, dev sda, sector 6796288
> [   80.489897] end_request: I/O error, dev sda, sector 6796224
> [   80.491920] end_request: I/O error, dev sda, sector 6796224
> [   80.494294] end_request: I/O error, dev sda, sector 4971928
> [   80.496445] end_request: I/O error, dev sda, sector 4971928
> [   80.498650] end_request: I/O error, dev sda, sector 11290592
> [   80.500834] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> to read inode block - inode=2231                               26,
> block=885244
> [   80.504930] end_request: I/O error, dev sda, sector 4208640
> [   80.507019] Buffer I/O error on device sda3, logical block 0
> udevd-work[1632]: exec of program '/lib/udev/scsi_id' failed
> 
> [   80.511028] end_request: I/O error, dev sda, sector 12352272
> [   80.513236] Buffer I/O error on device sda3, logical block 1017954
> [   80.515677] end_request: I/O error, dev sda, sector 12360888
> [   80.518021] Buffer I/O error on device sda3, logical block 1019031
> [   80.520527] Buffer I/O error on device sda3, logical block 1019032
> [   80.523072] end_request: I/O error, dev sda, sector 9980016
> [   80.525394] journal_bmap: journal block not found at offset 12 on sda3
> [   80.527956] Aborting journal on device sda3.
> [   80.529854] end_request: I/O error, dev sda, sector 9979920
> [   80.532119] Buffer I/O error on device sda3, logical block 721410
> [   80.534799] end_request: I/O error, dev sda, sector 9979928
> [   80.537239] end_request: I/O error, dev sda, sector 9979936
> [   80.539639] end_request: I/O error, dev sda, sector 9370632
> [   80.542144] end_request: I/O error, dev sda, sector 9370632
> [   80.544499] EXT3-fs (sda3): error: ext3_journal_start_sb: Detected
> aborted journal
> [   80.547659] EXT3-fs (sda3): error: remounting filesystem read-only
> [   80.550535] end_request: I/O error, dev sda, sector 11290592
> [   80.552989] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> to read inode block - inode=2231                               26,
> block=885244
> udevd-work[1634]: exec of program '/sbin/blkid' failed
> 
> [   80.559337] end_request: I/O error, dev sda, sector 4972560
> [   80.561964] end_request: I/O error, dev sda, sector 4972560
> [   80.564546] end_request: I/O error, dev sda, sector 11290592
> [   80.567069] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> to read inode block - inode=2231                               26,
> block=885244
> udevd-work[1635]: exec of program '/lib/udev/edd_id' failed
> 
> [   80.576377] end_request: I/O error, dev sda, sector 4952712
> [   80.580086] end_request: I/O error, dev sda, sector 4952712
> [   80.583689] end_request: I/O error, dev sda, sector 11290592
> [   80.586292] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> to read inode block - inode=2231                               26,
> block=885244
> udevd-work[1636]: exec of program '/lib/udev/udisks-part-id' failed
> 
> [   80.593995] end_request: I/O error, dev sda, sector 9370632
> [   80.596704] end_request: I/O error, dev sda, sector 9370632
> [   80.596755] end_request: I/O error, dev sda, sector 11290592
> [   80.596760] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> to read inode block - inode=2231                               26,
> block=885244
> udevd-work[1637][   80.608632] end_request: I/O error, dev sda, sector 11290592
> : exec of program '/sbin/blkid' failed[   80.612951] EXT3-fs error
> (device sda3): ext3_get_inode_loc: u
> nable to read inode block - inode=223126, block=885244
> 
> 
> [   80.621449] end_request: I/O error, dev sda, sector 9370632
> [   80.624665] end_request: I/O error, dev sda, sector 11290592
> [   80.627305] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> to read inode block - inode=2231                               26,
> block=885244
> udevd-work[1638]: exec of program '/sbin/blkid' failed
> 
> udevd-work[1639]: exec of program '/sbin/blkid' failed
> 
> [   80.635017] end_request: I/O error, dev sda, sector 4952712
> [   80.637899] end_request: I/O error, dev sda, sector 4952712
> [   80.637956] end_request: I/O error, dev sda, sector 11290592
> [   80.637962] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> to read inode block - inode=2231                               26,
> block=885244
> [   80.649954] end_request: I/O error, dev sda, sector 4952712
> udevd-work[1640]: exec of program '/lib/udev/udi[   80.649974]
> end_request: I/O error, dev sda, sector
> 11290592
> sks-part-id' failed
> [   80.649981] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> to read inode block - inode=2231                               26,
> block=885244
> 
> udevd-work[1641][   80.664921] end_request: I/O error, dev sda, sector 11290592
> : exec of program '/lib/udev/udisks-part-id' fai[   80.669088] EXT3-fs
> error (device sda3): ext3_get_in
> ode_loc: ledunable to read inode block - inode=223126, block=885244
> 
> 
> udevd-work[1642]: exec of program '/lib/udev/udisks-part-id' failed
> 
>                                                                       done
> [   80.688649] end_request: I/O error, dev sda, sector 11516760
> [   80.693402] end_request: I/O error, dev sda, sector 11517320
> [   80.698410] end_request: I/O error, dev sda, sector 11516760
> boot.loadmodules: Input/output error
> [   80.705752] end_request: I/O error, dev sda, sector 11517320
> boot.rootfsck: Input/output error
> [   80.712719] end_request: I/O error, dev sda, sector 11516496
> [   80.717814] end_request: I/O error, dev sda, sector 11516704
> [   80.730101] end_request: I/O error, dev sda, sector 11516496
> boot.clock: Input/output error
> [   80.736217] end_request: I/O error, dev sda, sector 11516768
> [   80.741296] end_request: I/O error, dev sda, sector 11352104
> [   80.745949] end_request: I/O error, dev sda, sector 11352104
> boot.device-mapper: Input/output error
> [   80.753208] end_request: I/O error, dev sda, sector 11516768
> boot.localfs: Input/output error
> [   80.760052] end_request: I/O error, dev sda, sector 11516488
> [   80.764909] end_request: I/O error, dev sda, sector 11499608
> [   80.769502] end_request: I/O error, dev sda, sector 11303224
> [   80.775085] end_request: I/O error, dev sda, sector 11516744
> [   80.779703] end_request: I/O error, dev sda, sector 11517168
> [   80.784166] end_request: I/O error, dev sda, sector 11517360
> [   80.788596] end_request: I/O error, dev sda, sector 11518640
> [   80.793861] end_request: I/O error, dev sda, sector 11518640
> [   80.798273] end_request: I/O error, dev sda, sector 11517360
> [   80.803364] end_request: I/O error, dev sda, sector 11517176
> boot.swap: Input/output error
> [   80.809435] end_request: I/O error, dev sda, sector 11517168
> boot.proc: Input/output error
> [   80.815339] end_request: I/O error, dev sda, sector 11516488
> boot.localnet: Input/output error[   80.820846] end_request: I/O
> error, dev sda, sector 11516744
> [   80.825458] end_request: I/O error, dev sda, sector 11499608
> [   80.829771] end_request: I/O error, dev sda, sector 11303224
> [   80.834086] end_request: I/O error, dev sda, sector 11516752
> 
> boot.cleanup: In[   80.838667] end_request: I/O error, dev sda, sector 11518160
> put/output error[   80.843568] end_request: I/O error, dev sda, sector 11516752
> 
> [   80.847792] end_request: I/O error, dev sda, sector 11518160
> boot.cycle: Input/output error[   80.853141] end_request: I/O error,
> dev sda, sector 11417656
> 
> [   80.853840] end_request: I/O error, dev sda, sector 11417656
> boot.fuse: Input/output error
> boot.klog: Input/output error
> boot.sysctl: Input/output error
> [   80.865148] end_request: I/O error, dev sda, sector 11516712
> [   80.865199] end_request: I/O error, dev sda, sector 11516712
> boot.ldconfig: Input/output error
> boot.udev_retry: Input/output error
> boot.apparmor: Input/output error
> boot.ipconfig: Input/output error
> System Boot Control: The system has been                              set up
> Failed features: boot.loadmodules boot.rootfsck boot.clock
> boot.device-mapper boot.localfs boot.cleanup
>      boot.cycle boot.fuse boot.klog boot.localnet boot.proc boot.swap
> boot.sysctl boot.ldconfig boot.udev_r
> etry boot.apparmor boot.ipconfig
> System Boot Control: Running /etc/init.d/boot.local
> [   80.890020] end_request: I/O error, dev sda, sector 11540760
> [   80.892185] end_request: I/O error, dev sda, sector 11540760
> /etc/init.d/boot.local: /etc/init.d/boot.local: Input/output error    failed
> [   80.897735] end_request: I/O error, dev sda, sector 9369944
> [   80.900025] end_request: I/O error, dev sda, sector 9369944
> [   80.902265] end_request: I/O error, dev sda, sector 9369944
> /etc/init.d/boot: line 314: /sbin/killproc: Input/output error
> /etc/init.d/boot: line 326: /var/run/no_blogd: Read-only file system
> [   80.909885] end_request: I/O error, dev sda, sector 12335128
> [   80.913314] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> to read inode block - inode=2539                               69,
> block=1015811
> [   80.920333] end_request: I/O error, dev sda, sector 12335128
> [   80.923922] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> to read inode block - inode=2539                               69,
> block=1015811
> [   80.931552] end_request: I/O error, dev sda, sector 12335128
> [   80.935604] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> to read inode block - inode=2539                               69,
> block=1015811
> [   80.944776] end_request: I/O error, dev sda, sector 11290592
> [   80.948819] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> to read inode block - inode=2231                               26,
> block=885244
> INIT: Entering runlevel: 3
> [   80.965451] end_request: I/O error, dev sda, sector 11519720
> [   80.969737] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> [   80.980514] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
> 80.987414] end_request: I/O erro                               r, dev
> sda, sector 11519720
> 
> [   80.991743] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript:[   80.996145] end_request: I/O error, dev sda, sector 11519720
>  line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/s[   81.005996] end_request: I/O error,
> dev sda, sector 11519720
> ysconfig/ulimit: Input/output er[   81.010510] end_request: I/O error,
> dev sda, sector 11519720
> ror[   81.016077] end_request: I/O error, dev sda, sector 11519720
> 
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
> 81.022320] end_request: I/O erro                               r, dev
> sda, sector 11519720
> 
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript:[   81.030711] end_request: I/O error, dev sda, sector 11519720
>  line 77: /etc/sysconfig/ulimit:[   81.035523] end_request: I/O error,
> dev sda, sector 11519720
>  Input/output error
> /etc/initscript:[   81.043077] end_request: I/O error, dev sda, sector 11519720
>  line 77: /etc/sysconfig/ulimit:[   81.047889] end_request: I/O error,
> dev sda, sector 11519720
>  Input/output error[   81.052231] end_request: I/O error, dev sda,
> sector 11519720
> 
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/outp[
> 81.062739] end_request: I/O error, dev s
> da, sector 11519720
> ut error
> [   81.066952] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> [   81.081287] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit:[   81.087077]
> end_request: I/O error, dev sda, sector
> 11519720
>  Input/output error
> [   81.092828] end_request: I/O error, dev sda, sector 11519720
> [   81.097171] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
> 81.105199] end_request: I/O error,                                dev
> sda, sector 11519720
> ror
> /etc/initscript: line 77: /[   81.109861] end_request: I/O error, dev
> sda, sector 11519720
> etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input[   81.116079]
> end_request: I/O error, dev sda, s                               ector
> 11519720
> /output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/uli[   81.123656]
> end_request: I/O error, dev sda, sector 1151
>     9720
> mit: Input/output error
> [   81.131077] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript:[   81.135256] end_request: I/O error, dev sda, sector 11519720
>  line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> [   81.145043] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
> 81.151102] end_request: I/O erro                               r, dev
> sda, sector 11519720
> 
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript:[   81.158246] end_request: I/O error, dev sda, sector 11519720
>  line 77: /etc/sysconfig/ulimit: Input/output error[   81.163908]
> end_request: I/O error, dev sda, sect                               or
> 11519720
> 
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript:[   81.170077] end_request: I/O error, dev sda, sector 11519720
>  line 77: /etc/sysconfig/ulimit: Input/output error
> [   81.175614] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
> 81.181692] end_request: I/O erro                               r, dev
> sda, sector 11519720
> 
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> [   81.188834] end_request: I/O error, dev sda, sector 11519720
> [   81.193074] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ul[   81.202959] end_request:
> I/O error, dev sda, sector 11519                               720
> imit: Input/output error
> [   81.209078] end_request: I/O error, dev sda, sector 11519720
> [   81.215046] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit:[   81.220029]
> end_request: I/O error, dev sda, sector
> 11519720
>  Input/output error
> /etc/initscript:[   81.224860] end_request: I/O error, dev sda, sector 11519720
>  line 77: /etc/sysconfig/ulimit: Input/output error[   81.230950]
> end_request: I/O error, dev sda, sect                               or
> 11519720
> 
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> [   81.241445] end_request: I/O error, dev sda, sector 11519720
> [   81.245133] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
> 81.253519] end_request: I/O erro                               r, dev
> sda, sector 11519720
> 
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
> 81.259342] end_request: I/O error,                                dev
> sda, sector 11519720
> ror
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/outp[
> 81.265077] end_request: I/O error, dev s
> da, sector 11519720
> ut error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sy[   81.271786] end_request: I/O
> error, dev sda, sector 11519720
> sconfig/ulimit: Input/output error
> [   81.277066] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> [   81.284078] end_request: I/O error, dev sda, sector 11519720
> [   81.287740] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit:[   81.292708]
> end_request: I/O error, dev sda, sector
> 11519720
>  Input/output error[   81.298719] end_request: I/O error, dev sda,
> sector 11519720
> 
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript:[   81.304841] end_request: I/O error, dev sda, sector 11519720
>  line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> [   81.313187] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> [   81.324518] end_request: I/O error, dev sda, sector 11519720
> [   81.329435] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
> 81.334830] end_request: I/O error,                                dev
> sda, sector 11519720
> ror
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line [   81.341698] end_request: I/O error, dev sda,
> sector 11519720
> 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> INIT: Id "6[   81.349010] end_request: I/O error, dev sda, sector 11519720
> " respawning too fast: disabled for 5 minutes
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
> 81.355880] end_request: I/O error,                                dev
> sda, sector 11519720
> ror
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> [   81.363875] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
> 81.369261] end_request: I/O error,                                dev
> sda, sector 11519720
> ror
> INIT: Id "co" respawning too fast: disabled for 5 minutes
> /etc/initscript: line 77: /etc[   81.376228] end_request: I/O error,
> dev sda, sector 11519720
> /sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> INI[   81.383188] end_request: I/O error, dev sda, sector 11519720
> T: Id "3" respawning too fast: disabled for 5 minutes
> /etc/initscript: line 77[   81.389244] end_request: I/O error, dev
> sda, sector 11519720
> : /etc/sysconfig/ulimit: Input/output error
> INIT: Id "4" respawning too fast: disabled for 5 minutes
> /etc/in[   81.395907] end_request: I/O error, dev sda, sector 11519720
> itscript: line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: I[   81.403341]
> end_request: I/O error, dev sda, secto                               r
> 11519720
> nput/output error
> INIT: Id "5" respawning too fast: disabled for 5 minutes
> /etc/initscript: [   81.410018] end_request: I/O error, dev sda, sector 11519720
> line 77: /etc/sysconfig/ulimit: Input/output error
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> INIT: Id "1" respawning too fast: disabled for 5 minutes
> [   81.420725] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> [   81.430746] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> [   81.440664] end_request: I/O error, dev sda, sector 11519720
> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> INIT: Id "2" respawning too fast: disabled for 5 minutes
> INIT: no more processes left in this runlevel
> 
> 
> 
> 
> On Wed, Nov 30, 2011 at 11:48 AM, Artur Baruchi <mail.baruchi@gmail.com> wrote:
> > Hi.
> >
> > Im installing a VM to run a benchmark, Im able to install the VM issue
> > the first boot (to setup network configurations), but if I reboot the
> > VM it just hangs and do not boot. I've re-installed the machine but no
> > success. Follow some details:
> >
> > - Dom0: Opensuse 11.3 (x86_64), kernel 2.6.34-12-xen,
> > xen-4.0.0_21091_05-6.6.x86_64
> > - DomU: Full Virtualization, Opensuse 11.3 (x86_64), kernel 2.6.34-12-desktop
> >
> > Some errors in message file (not sure that this errors mean something
> > for this problem):
> > Nov 27 23:02:17 linuxtemp01 kernel: [ 5681.075141] ata1: link is slow
> > to respond, please be patient (ready=0)
> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.073141] ata1: device not
> > ready (errno=-16), forcing hardreset
> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.073236] ata1: soft resetting link
> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.228817] ata1.00: configured
> > for MWDMA2
> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230503] ata1.01: configured
> > for MWDMA1
> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230508] ata1.00: device
> > reported invalid CHS sector 0
> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230515] ata1: EH complete
> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701259] ata1.01: exception
> > Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701262] ata1.01: failed
> > command: WRITE DMA EXT
> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701265] ata1.01: cmd
> > 35/00:98:ef:c0:24/00:02:02:00:00/f0 tag 0 dma 339968 out
> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701266] ? ? ? ? ?res
> > 40/00:01:00:00:00/00:00:00:00:00/b0 Emask 0x4 (timeout)
> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701268] ata1.01: status: { DRDY }
> > Nov 27 23:08:29 linuxtemp01 kernel: [ 6052.750078] ata1: link is slow
> > to respond, please be patient (ready=0)
> > Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.748079] ata1: device not
> > ready (errno=-16), forcing hardreset
> > Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.748134] ata1: soft resetting link
> > Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.902320] ata1.00: configured
> > for MWDMA2
> > Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903499] ata1.01: configured
> > for MWDMA1
> > Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903503] ata1.01: device
> > reported invalid CHS sector 0
> > Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903506] ata1: EH complete
> >
> > My problem is very similar to this one:
> > http://web.archiveorange.com/archive/v/wmeLDfqXdkxOOQURv2Ak
> >
> > But the workaround for this issue is not working for me.
> >
> > Any help will be welcome.
> >
> > Thanks in advance.
> >
> > Att.
> > Artur Baruchi
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel

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	<20111130221545.GB16651@andromeda.dapyr.net>
Date: Wed, 30 Nov 2011 21:09:58 -0200
Message-ID: <CAAiDW_T2Eutw=NibLv2s1f1DJsbSY39oHL_pH8RkmAi=iWK0HA@mail.gmail.com>
From: Artur Baruchi <mail.baruchi@gmail.com>
To: Konrad Rzeszutek Wilk <konrad@darnok.org>
X-Mailman-Approved-At: Thu, 01 Dec 2011 10:37:24 +0000
Cc: Xen-devel@lists.xensource.com, xen-users <Xen-users@lists.xensource.com>
Subject: Re: [Xen-users] [Xen-devel] VM Hanging after reboot
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Hi Konrad.

That was my first though (disk going bad). But I create another VM in
a different host and faced the same error. I tried to create another
file and use a physical device (logical volume) too, but no lucky. Im
guessing that it can be:

- There is a bug in this kernel version or in paravirtualized drivers
used by opensuse 11.3 (based on some google searchs that I made, with
similar errors); OR
- Some configuration problem (for example, need to enable acpi in my
vm kernel, or anything like this).

Thanks.

Att.
Artur Baruchi


On Wed, Nov 30, 2011 at 8:15 PM, Konrad Rzeszutek Wilk
<konrad@darnok.org> wrote:
> On Wed, Nov 30, 2011 at 04:46:55PM -0200, Artur Baruchi wrote:
>> I just configured the serial console to see what is going on during
>> the boot. I tried to run fsck and changed the grub to use the device
>> path (/dev/sdaX) instead udisks-part-id, but no success.
>>
>> Follow the console errors:
>>
>
> That looks like your disk is going bad?
>
> Was there anything before this? Like the IRQs not setup properly?
>
>> Loading drivers, configuring devices: [ =A0 69.701448] ata1.00:
>> exception Emask 0x0 SAct 0x0 SErr 0x0 act
>> =A0ion 0x6 frozen
>> [ =A0 69.705706] ata1.00: failed command: READ DMA
>> [ =A0 69.708402] ata1.00: cmd c8/00:20:b8:7a:66/00:00:00:00:00/e0 tag 0
>> dma 16384 in
>> [ =A0 69.708403] =A0 =A0 =A0 =A0 =A0res 40/00:01:00:00:00/00:00:00:00:00=
/a0 Emask
>> 0x4 (timeout)
>> [ =A0 69.717358] ata1.00: status: { DRDY }
>> [ =A0 69.872400] ata1.00: revalidation failed (errno=3D-2)
>> [ =A0 75.023385] ata1.00: revalidation failed (errno=3D-2)
>> [ =A0 80.174383] ata1.00: revalidation failed (errno=3D-2)
>> [ =A0 80.329687] end_request: I/O error, dev sda, sector 6716088
>> [ =A0 80.333096] end_request: I/O error, dev sda, sector 6716088
>> [ =A0 80.336676] end_request: I/O error, dev sda, sector 6716088
>> [ =A0 80.340408] end_request: I/O error, dev sda, sector 6145504
>> [ =A0 80.344063] end_request: I/O error, dev sda, sector 6145504
>> [ =A0 80.347465] end_request: I/O error, dev sda, sector 6145504
>> [ =A0 80.351795] end_request: I/O error, dev sda, sector 6145504
>> [ =A0 80.356081] end_request: I/O error, dev sda, sector 6145504
>> [ =A0 80.359587] end_request: I/O error, dev sda, sector 6145504
>> [ =A0 80.363115] end_request: I/O error, dev sda, sector 6145504
>> [ =A0 80.366535] end_request: I/O error, dev sda, sector 6145504
>> [ =A0 80.370034] end_request: I/O error, dev sda, sector 6145504
>> [ =A0 80.373924] end_request: I/O error, dev sda, sector 9979920
>> [ =A0 80.377458] Buffer I/O error on device sda3, logical block 721410
>> [ =A0 80.389108] end_request: I/O error, dev sda, sector 4970504
>> [ =A0 80.392576] end_request: I/O error, dev sda, sector 4970504
>> [ =A0 80.396208] end_request: I/O error, dev sda, sector 11290592
>> [ =A0 80.399747] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
>> to read inode block - inode=3D2231 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 26,
>> block=3D885244
>> [ =A0 80.406333] end_request: I/O error, dev sda, sector 4208640
>> [ =A0 80.409650] Buffer I/O error on device sda3, logical block 0
>> udevd-work[1631]: exec of program '/lib/udev/ata_id' failed
>>
>> [ =A0 80.416228] end_request: I/O error, dev sda, sector 6796224
>> [ =A0 80.419759] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.423135] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.425117] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.427447] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.429840] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.432094] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.434425] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.436746] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.439043] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.441358] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.443626] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.445864] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.448051] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.450271] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.452482] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.454745] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.457029] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.459299] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.461604] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.463843] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.466045] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.468274] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.470510] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.472725] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.474902] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.477103] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.479278] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.481514] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.483647] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.485780] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.487838] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.489897] end_request: I/O error, dev sda, sector 6796224
>> [ =A0 80.491920] end_request: I/O error, dev sda, sector 6796224
>> [ =A0 80.494294] end_request: I/O error, dev sda, sector 4971928
>> [ =A0 80.496445] end_request: I/O error, dev sda, sector 4971928
>> [ =A0 80.498650] end_request: I/O error, dev sda, sector 11290592
>> [ =A0 80.500834] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
>> to read inode block - inode=3D2231 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 26,
>> block=3D885244
>> [ =A0 80.504930] end_request: I/O error, dev sda, sector 4208640
>> [ =A0 80.507019] Buffer I/O error on device sda3, logical block 0
>> udevd-work[1632]: exec of program '/lib/udev/scsi_id' failed
>>
>> [ =A0 80.511028] end_request: I/O error, dev sda, sector 12352272
>> [ =A0 80.513236] Buffer I/O error on device sda3, logical block 1017954
>> [ =A0 80.515677] end_request: I/O error, dev sda, sector 12360888
>> [ =A0 80.518021] Buffer I/O error on device sda3, logical block 1019031
>> [ =A0 80.520527] Buffer I/O error on device sda3, logical block 1019032
>> [ =A0 80.523072] end_request: I/O error, dev sda, sector 9980016
>> [ =A0 80.525394] journal_bmap: journal block not found at offset 12 on s=
da3
>> [ =A0 80.527956] Aborting journal on device sda3.
>> [ =A0 80.529854] end_request: I/O error, dev sda, sector 9979920
>> [ =A0 80.532119] Buffer I/O error on device sda3, logical block 721410
>> [ =A0 80.534799] end_request: I/O error, dev sda, sector 9979928
>> [ =A0 80.537239] end_request: I/O error, dev sda, sector 9979936
>> [ =A0 80.539639] end_request: I/O error, dev sda, sector 9370632
>> [ =A0 80.542144] end_request: I/O error, dev sda, sector 9370632
>> [ =A0 80.544499] EXT3-fs (sda3): error: ext3_journal_start_sb: Detected
>> aborted journal
>> [ =A0 80.547659] EXT3-fs (sda3): error: remounting filesystem read-only
>> [ =A0 80.550535] end_request: I/O error, dev sda, sector 11290592
>> [ =A0 80.552989] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
>> to read inode block - inode=3D2231 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 26,
>> block=3D885244
>> udevd-work[1634]: exec of program '/sbin/blkid' failed
>>
>> [ =A0 80.559337] end_request: I/O error, dev sda, sector 4972560
>> [ =A0 80.561964] end_request: I/O error, dev sda, sector 4972560
>> [ =A0 80.564546] end_request: I/O error, dev sda, sector 11290592
>> [ =A0 80.567069] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
>> to read inode block - inode=3D2231 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 26,
>> block=3D885244
>> udevd-work[1635]: exec of program '/lib/udev/edd_id' failed
>>
>> [ =A0 80.576377] end_request: I/O error, dev sda, sector 4952712
>> [ =A0 80.580086] end_request: I/O error, dev sda, sector 4952712
>> [ =A0 80.583689] end_request: I/O error, dev sda, sector 11290592
>> [ =A0 80.586292] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
>> to read inode block - inode=3D2231 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 26,
>> block=3D885244
>> udevd-work[1636]: exec of program '/lib/udev/udisks-part-id' failed
>>
>> [ =A0 80.593995] end_request: I/O error, dev sda, sector 9370632
>> [ =A0 80.596704] end_request: I/O error, dev sda, sector 9370632
>> [ =A0 80.596755] end_request: I/O error, dev sda, sector 11290592
>> [ =A0 80.596760] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
>> to read inode block - inode=3D2231 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 26,
>> block=3D885244
>> udevd-work[1637][ =A0 80.608632] end_request: I/O error, dev sda, sector=
 11290592
>> : exec of program '/sbin/blkid' failed[ =A0 80.612951] EXT3-fs error
>> (device sda3): ext3_get_inode_loc: u
>> nable to read inode block - inode=3D223126, block=3D885244
>>
>>
>> [ =A0 80.621449] end_request: I/O error, dev sda, sector 9370632
>> [ =A0 80.624665] end_request: I/O error, dev sda, sector 11290592
>> [ =A0 80.627305] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
>> to read inode block - inode=3D2231 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 26,
>> block=3D885244
>> udevd-work[1638]: exec of program '/sbin/blkid' failed
>>
>> udevd-work[1639]: exec of program '/sbin/blkid' failed
>>
>> [ =A0 80.635017] end_request: I/O error, dev sda, sector 4952712
>> [ =A0 80.637899] end_request: I/O error, dev sda, sector 4952712
>> [ =A0 80.637956] end_request: I/O error, dev sda, sector 11290592
>> [ =A0 80.637962] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
>> to read inode block - inode=3D2231 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 26,
>> block=3D885244
>> [ =A0 80.649954] end_request: I/O error, dev sda, sector 4952712
>> udevd-work[1640]: exec of program '/lib/udev/udi[ =A0 80.649974]
>> end_request: I/O error, dev sda, sector
>> 11290592
>> sks-part-id' failed
>> [ =A0 80.649981] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
>> to read inode block - inode=3D2231 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 26,
>> block=3D885244
>>
>> udevd-work[1641][ =A0 80.664921] end_request: I/O error, dev sda, sector=
 11290592
>> : exec of program '/lib/udev/udisks-part-id' fai[ =A0 80.669088] EXT3-fs
>> error (device sda3): ext3_get_in
>> ode_loc: ledunable to read inode block - inode=3D223126, block=3D885244
>>
>>
>> udevd-work[1642]: exec of program '/lib/udev/udisks-part-id' failed
>>
>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 done
>> [ =A0 80.688649] end_request: I/O error, dev sda, sector 11516760
>> [ =A0 80.693402] end_request: I/O error, dev sda, sector 11517320
>> [ =A0 80.698410] end_request: I/O error, dev sda, sector 11516760
>> boot.loadmodules: Input/output error
>> [ =A0 80.705752] end_request: I/O error, dev sda, sector 11517320
>> boot.rootfsck: Input/output error
>> [ =A0 80.712719] end_request: I/O error, dev sda, sector 11516496
>> [ =A0 80.717814] end_request: I/O error, dev sda, sector 11516704
>> [ =A0 80.730101] end_request: I/O error, dev sda, sector 11516496
>> boot.clock: Input/output error
>> [ =A0 80.736217] end_request: I/O error, dev sda, sector 11516768
>> [ =A0 80.741296] end_request: I/O error, dev sda, sector 11352104
>> [ =A0 80.745949] end_request: I/O error, dev sda, sector 11352104
>> boot.device-mapper: Input/output error
>> [ =A0 80.753208] end_request: I/O error, dev sda, sector 11516768
>> boot.localfs: Input/output error
>> [ =A0 80.760052] end_request: I/O error, dev sda, sector 11516488
>> [ =A0 80.764909] end_request: I/O error, dev sda, sector 11499608
>> [ =A0 80.769502] end_request: I/O error, dev sda, sector 11303224
>> [ =A0 80.775085] end_request: I/O error, dev sda, sector 11516744
>> [ =A0 80.779703] end_request: I/O error, dev sda, sector 11517168
>> [ =A0 80.784166] end_request: I/O error, dev sda, sector 11517360
>> [ =A0 80.788596] end_request: I/O error, dev sda, sector 11518640
>> [ =A0 80.793861] end_request: I/O error, dev sda, sector 11518640
>> [ =A0 80.798273] end_request: I/O error, dev sda, sector 11517360
>> [ =A0 80.803364] end_request: I/O error, dev sda, sector 11517176
>> boot.swap: Input/output error
>> [ =A0 80.809435] end_request: I/O error, dev sda, sector 11517168
>> boot.proc: Input/output error
>> [ =A0 80.815339] end_request: I/O error, dev sda, sector 11516488
>> boot.localnet: Input/output error[ =A0 80.820846] end_request: I/O
>> error, dev sda, sector 11516744
>> [ =A0 80.825458] end_request: I/O error, dev sda, sector 11499608
>> [ =A0 80.829771] end_request: I/O error, dev sda, sector 11303224
>> [ =A0 80.834086] end_request: I/O error, dev sda, sector 11516752
>>
>> boot.cleanup: In[ =A0 80.838667] end_request: I/O error, dev sda, sector=
 11518160
>> put/output error[ =A0 80.843568] end_request: I/O error, dev sda, sector=
 11516752
>>
>> [ =A0 80.847792] end_request: I/O error, dev sda, sector 11518160
>> boot.cycle: Input/output error[ =A0 80.853141] end_request: I/O error,
>> dev sda, sector 11417656
>>
>> [ =A0 80.853840] end_request: I/O error, dev sda, sector 11417656
>> boot.fuse: Input/output error
>> boot.klog: Input/output error
>> boot.sysctl: Input/output error
>> [ =A0 80.865148] end_request: I/O error, dev sda, sector 11516712
>> [ =A0 80.865199] end_request: I/O error, dev sda, sector 11516712
>> boot.ldconfig: Input/output error
>> boot.udev_retry: Input/output error
>> boot.apparmor: Input/output error
>> boot.ipconfig: Input/output error
>> System Boot Control: The system has been =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=
 =A0 =A0 =A0 =A0 =A0 =A0 =A0set up
>> Failed features: boot.loadmodules boot.rootfsck boot.clock
>> boot.device-mapper boot.localfs boot.cleanup
>> =A0 =A0 =A0boot.cycle boot.fuse boot.klog boot.localnet boot.proc boot.s=
wap
>> boot.sysctl boot.ldconfig boot.udev_r
>> etry boot.apparmor boot.ipconfig
>> System Boot Control: Running /etc/init.d/boot.local
>> [ =A0 80.890020] end_request: I/O error, dev sda, sector 11540760
>> [ =A0 80.892185] end_request: I/O error, dev sda, sector 11540760
>> /etc/init.d/boot.local: /etc/init.d/boot.local: Input/output error =A0 =
=A0failed
>> [ =A0 80.897735] end_request: I/O error, dev sda, sector 9369944
>> [ =A0 80.900025] end_request: I/O error, dev sda, sector 9369944
>> [ =A0 80.902265] end_request: I/O error, dev sda, sector 9369944
>> /etc/init.d/boot: line 314: /sbin/killproc: Input/output error
>> /etc/init.d/boot: line 326: /var/run/no_blogd: Read-only file system
>> [ =A0 80.909885] end_request: I/O error, dev sda, sector 12335128
>> [ =A0 80.913314] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
>> to read inode block - inode=3D2539 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 69,
>> block=3D1015811
>> [ =A0 80.920333] end_request: I/O error, dev sda, sector 12335128
>> [ =A0 80.923922] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
>> to read inode block - inode=3D2539 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 69,
>> block=3D1015811
>> [ =A0 80.931552] end_request: I/O error, dev sda, sector 12335128
>> [ =A0 80.935604] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
>> to read inode block - inode=3D2539 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 69,
>> block=3D1015811
>> [ =A0 80.944776] end_request: I/O error, dev sda, sector 11290592
>> [ =A0 80.948819] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
>> to read inode block - inode=3D2231 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 26,
>> block=3D885244
>> INIT: Entering runlevel: 3
>> [ =A0 80.965451] end_request: I/O error, dev sda, sector 11519720
>> [ =A0 80.969737] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> [ =A0 80.980514] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
>> 80.987414] end_request: I/O erro =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=
 =A0 =A0 =A0 =A0 =A0 r, dev
>> sda, sector 11519720
>>
>> [ =A0 80.991743] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript:[ =A0 80.996145] end_request: I/O error, dev sda, sector=
 11519720
>> =A0line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/s[ =A0 81.005996] end_request: I/O error,
>> dev sda, sector 11519720
>> ysconfig/ulimit: Input/output er[ =A0 81.010510] end_request: I/O error,
>> dev sda, sector 11519720
>> ror[ =A0 81.016077] end_request: I/O error, dev sda, sector 11519720
>>
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
>> 81.022320] end_request: I/O erro =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=
 =A0 =A0 =A0 =A0 =A0 r, dev
>> sda, sector 11519720
>>
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript:[ =A0 81.030711] end_request: I/O error, dev sda, sector=
 11519720
>> =A0line 77: /etc/sysconfig/ulimit:[ =A0 81.035523] end_request: I/O erro=
r,
>> dev sda, sector 11519720
>> =A0Input/output error
>> /etc/initscript:[ =A0 81.043077] end_request: I/O error, dev sda, sector=
 11519720
>> =A0line 77: /etc/sysconfig/ulimit:[ =A0 81.047889] end_request: I/O erro=
r,
>> dev sda, sector 11519720
>> =A0Input/output error[ =A0 81.052231] end_request: I/O error, dev sda,
>> sector 11519720
>>
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/outp[
>> 81.062739] end_request: I/O error, dev s
>> da, sector 11519720
>> ut error
>> [ =A0 81.066952] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> [ =A0 81.081287] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit:[ =A0 81.087077]
>> end_request: I/O error, dev sda, sector
>> 11519720
>> =A0Input/output error
>> [ =A0 81.092828] end_request: I/O error, dev sda, sector 11519720
>> [ =A0 81.097171] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
>> 81.105199] end_request: I/O error, =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0dev
>> sda, sector 11519720
>> ror
>> /etc/initscript: line 77: /[ =A0 81.109861] end_request: I/O error, dev
>> sda, sector 11519720
>> etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input[ =A0 81.116079]
>> end_request: I/O error, dev sda, s =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 ector
>> 11519720
>> /output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/uli[ =A0 81.123656]
>> end_request: I/O error, dev sda, sector 1151
>> =A0 =A0 9720
>> mit: Input/output error
>> [ =A0 81.131077] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript:[ =A0 81.135256] end_request: I/O error, dev sda, sector=
 11519720
>> =A0line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> [ =A0 81.145043] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
>> 81.151102] end_request: I/O erro =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=
 =A0 =A0 =A0 =A0 =A0 r, dev
>> sda, sector 11519720
>>
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript:[ =A0 81.158246] end_request: I/O error, dev sda, sector=
 11519720
>> =A0line 77: /etc/sysconfig/ulimit: Input/output error[ =A0 81.163908]
>> end_request: I/O error, dev sda, sect =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0 or
>> 11519720
>>
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript:[ =A0 81.170077] end_request: I/O error, dev sda, sector=
 11519720
>> =A0line 77: /etc/sysconfig/ulimit: Input/output error
>> [ =A0 81.175614] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
>> 81.181692] end_request: I/O erro =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=
 =A0 =A0 =A0 =A0 =A0 r, dev
>> sda, sector 11519720
>>
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> [ =A0 81.188834] end_request: I/O error, dev sda, sector 11519720
>> [ =A0 81.193074] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ul[ =A0 81.202959] end_request:
>> I/O error, dev sda, sector 11519 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=
 =A0 =A0 =A0 =A0 =A0 720
>> imit: Input/output error
>> [ =A0 81.209078] end_request: I/O error, dev sda, sector 11519720
>> [ =A0 81.215046] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit:[ =A0 81.220029]
>> end_request: I/O error, dev sda, sector
>> 11519720
>> =A0Input/output error
>> /etc/initscript:[ =A0 81.224860] end_request: I/O error, dev sda, sector=
 11519720
>> =A0line 77: /etc/sysconfig/ulimit: Input/output error[ =A0 81.230950]
>> end_request: I/O error, dev sda, sect =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0 or
>> 11519720
>>
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> [ =A0 81.241445] end_request: I/O error, dev sda, sector 11519720
>> [ =A0 81.245133] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
>> 81.253519] end_request: I/O erro =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=
 =A0 =A0 =A0 =A0 =A0 r, dev
>> sda, sector 11519720
>>
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
>> 81.259342] end_request: I/O error, =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0dev
>> sda, sector 11519720
>> ror
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/outp[
>> 81.265077] end_request: I/O error, dev s
>> da, sector 11519720
>> ut error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sy[ =A0 81.271786] end_request: I/O
>> error, dev sda, sector 11519720
>> sconfig/ulimit: Input/output error
>> [ =A0 81.277066] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> [ =A0 81.284078] end_request: I/O error, dev sda, sector 11519720
>> [ =A0 81.287740] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit:[ =A0 81.292708]
>> end_request: I/O error, dev sda, sector
>> 11519720
>> =A0Input/output error[ =A0 81.298719] end_request: I/O error, dev sda,
>> sector 11519720
>>
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript:[ =A0 81.304841] end_request: I/O error, dev sda, sector=
 11519720
>> =A0line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> [ =A0 81.313187] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> [ =A0 81.324518] end_request: I/O error, dev sda, sector 11519720
>> [ =A0 81.329435] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
>> 81.334830] end_request: I/O error, =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0dev
>> sda, sector 11519720
>> ror
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line [ =A0 81.341698] end_request: I/O error, dev sda,
>> sector 11519720
>> 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> INIT: Id "6[ =A0 81.349010] end_request: I/O error, dev sda, sector 1151=
9720
>> " respawning too fast: disabled for 5 minutes
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
>> 81.355880] end_request: I/O error, =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0dev
>> sda, sector 11519720
>> ror
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> [ =A0 81.363875] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
>> 81.369261] end_request: I/O error, =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0dev
>> sda, sector 11519720
>> ror
>> INIT: Id "co" respawning too fast: disabled for 5 minutes
>> /etc/initscript: line 77: /etc[ =A0 81.376228] end_request: I/O error,
>> dev sda, sector 11519720
>> /sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> INI[ =A0 81.383188] end_request: I/O error, dev sda, sector 11519720
>> T: Id "3" respawning too fast: disabled for 5 minutes
>> /etc/initscript: line 77[ =A0 81.389244] end_request: I/O error, dev
>> sda, sector 11519720
>> : /etc/sysconfig/ulimit: Input/output error
>> INIT: Id "4" respawning too fast: disabled for 5 minutes
>> /etc/in[ =A0 81.395907] end_request: I/O error, dev sda, sector 11519720
>> itscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: I[ =A0 81.403341]
>> end_request: I/O error, dev sda, secto =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0 r
>> 11519720
>> nput/output error
>> INIT: Id "5" respawning too fast: disabled for 5 minutes
>> /etc/initscript: [ =A0 81.410018] end_request: I/O error, dev sda, secto=
r 11519720
>> line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> INIT: Id "1" respawning too fast: disabled for 5 minutes
>> [ =A0 81.420725] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> [ =A0 81.430746] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> [ =A0 81.440664] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> INIT: Id "2" respawning too fast: disabled for 5 minutes
>> INIT: no more processes left in this runlevel
>>
>>
>>
>>
>> On Wed, Nov 30, 2011 at 11:48 AM, Artur Baruchi <mail.baruchi@gmail.com>=
 wrote:
>> > Hi.
>> >
>> > Im installing a VM to run a benchmark, Im able to install the VM issue
>> > the first boot (to setup network configurations), but if I reboot the
>> > VM it just hangs and do not boot. I've re-installed the machine but no
>> > success. Follow some details:
>> >
>> > - Dom0: Opensuse 11.3 (x86_64), kernel 2.6.34-12-xen,
>> > xen-4.0.0_21091_05-6.6.x86_64
>> > - DomU: Full Virtualization, Opensuse 11.3 (x86_64), kernel 2.6.34-12-=
desktop
>> >
>> > Some errors in message file (not sure that this errors mean something
>> > for this problem):
>> > Nov 27 23:02:17 linuxtemp01 kernel: [ 5681.075141] ata1: link is slow
>> > to respond, please be patient (ready=3D0)
>> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.073141] ata1: device not
>> > ready (errno=3D-16), forcing hardreset
>> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.073236] ata1: soft resettin=
g link
>> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.228817] ata1.00: configured
>> > for MWDMA2
>> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230503] ata1.01: configured
>> > for MWDMA1
>> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230508] ata1.00: device
>> > reported invalid CHS sector 0
>> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230515] ata1: EH complete
>> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701259] ata1.01: exception
>> > Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
>> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701262] ata1.01: failed
>> > command: WRITE DMA EXT
>> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701265] ata1.01: cmd
>> > 35/00:98:ef:c0:24/00:02:02:00:00/f0 tag 0 dma 339968 out
>> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701266] ? ? ? ? ?res
>> > 40/00:01:00:00:00/00:00:00:00:00/b0 Emask 0x4 (timeout)
>> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701268] ata1.01: status: { =
DRDY }
>> > Nov 27 23:08:29 linuxtemp01 kernel: [ 6052.750078] ata1: link is slow
>> > to respond, please be patient (ready=3D0)
>> > Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.748079] ata1: device not
>> > ready (errno=3D-16), forcing hardreset
>> > Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.748134] ata1: soft resettin=
g link
>> > Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.902320] ata1.00: configured
>> > for MWDMA2
>> > Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903499] ata1.01: configured
>> > for MWDMA1
>> > Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903503] ata1.01: device
>> > reported invalid CHS sector 0
>> > Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903506] ata1: EH complete
>> >
>> > My problem is very similar to this one:
>> > http://web.archiveorange.com/archive/v/wmeLDfqXdkxOOQURv2Ak
>> >
>> > But the workaround for this issue is not working for me.
>> >
>> > Any help will be welcome.
>> >
>> > Thanks in advance.
>> >
>> > Att.
>> > Artur Baruchi
>>
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@lists.xensource.com
>> http://lists.xensource.com/xen-devel

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Date: Wed, 30 Nov 2011 21:09:58 -0200
Message-ID: <CAAiDW_T2Eutw=NibLv2s1f1DJsbSY39oHL_pH8RkmAi=iWK0HA@mail.gmail.com>
From: Artur Baruchi <mail.baruchi@gmail.com>
To: Konrad Rzeszutek Wilk <konrad@darnok.org>
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Cc: Xen-devel@lists.xensource.com, xen-users <Xen-users@lists.xensource.com>
Subject: Re: [Xen-users] [Xen-devel] VM Hanging after reboot
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Hi Konrad.

That was my first though (disk going bad). But I create another VM in
a different host and faced the same error. I tried to create another
file and use a physical device (logical volume) too, but no lucky. Im
guessing that it can be:

- There is a bug in this kernel version or in paravirtualized drivers
used by opensuse 11.3 (based on some google searchs that I made, with
similar errors); OR
- Some configuration problem (for example, need to enable acpi in my
vm kernel, or anything like this).

Thanks.

Att.
Artur Baruchi


On Wed, Nov 30, 2011 at 8:15 PM, Konrad Rzeszutek Wilk
<konrad@darnok.org> wrote:
> On Wed, Nov 30, 2011 at 04:46:55PM -0200, Artur Baruchi wrote:
>> I just configured the serial console to see what is going on during
>> the boot. I tried to run fsck and changed the grub to use the device
>> path (/dev/sdaX) instead udisks-part-id, but no success.
>>
>> Follow the console errors:
>>
>
> That looks like your disk is going bad?
>
> Was there anything before this? Like the IRQs not setup properly?
>
>> Loading drivers, configuring devices: [ =A0 69.701448] ata1.00:
>> exception Emask 0x0 SAct 0x0 SErr 0x0 act
>> =A0ion 0x6 frozen
>> [ =A0 69.705706] ata1.00: failed command: READ DMA
>> [ =A0 69.708402] ata1.00: cmd c8/00:20:b8:7a:66/00:00:00:00:00/e0 tag 0
>> dma 16384 in
>> [ =A0 69.708403] =A0 =A0 =A0 =A0 =A0res 40/00:01:00:00:00/00:00:00:00:00=
/a0 Emask
>> 0x4 (timeout)
>> [ =A0 69.717358] ata1.00: status: { DRDY }
>> [ =A0 69.872400] ata1.00: revalidation failed (errno=3D-2)
>> [ =A0 75.023385] ata1.00: revalidation failed (errno=3D-2)
>> [ =A0 80.174383] ata1.00: revalidation failed (errno=3D-2)
>> [ =A0 80.329687] end_request: I/O error, dev sda, sector 6716088
>> [ =A0 80.333096] end_request: I/O error, dev sda, sector 6716088
>> [ =A0 80.336676] end_request: I/O error, dev sda, sector 6716088
>> [ =A0 80.340408] end_request: I/O error, dev sda, sector 6145504
>> [ =A0 80.344063] end_request: I/O error, dev sda, sector 6145504
>> [ =A0 80.347465] end_request: I/O error, dev sda, sector 6145504
>> [ =A0 80.351795] end_request: I/O error, dev sda, sector 6145504
>> [ =A0 80.356081] end_request: I/O error, dev sda, sector 6145504
>> [ =A0 80.359587] end_request: I/O error, dev sda, sector 6145504
>> [ =A0 80.363115] end_request: I/O error, dev sda, sector 6145504
>> [ =A0 80.366535] end_request: I/O error, dev sda, sector 6145504
>> [ =A0 80.370034] end_request: I/O error, dev sda, sector 6145504
>> [ =A0 80.373924] end_request: I/O error, dev sda, sector 9979920
>> [ =A0 80.377458] Buffer I/O error on device sda3, logical block 721410
>> [ =A0 80.389108] end_request: I/O error, dev sda, sector 4970504
>> [ =A0 80.392576] end_request: I/O error, dev sda, sector 4970504
>> [ =A0 80.396208] end_request: I/O error, dev sda, sector 11290592
>> [ =A0 80.399747] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
>> to read inode block - inode=3D2231 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 26,
>> block=3D885244
>> [ =A0 80.406333] end_request: I/O error, dev sda, sector 4208640
>> [ =A0 80.409650] Buffer I/O error on device sda3, logical block 0
>> udevd-work[1631]: exec of program '/lib/udev/ata_id' failed
>>
>> [ =A0 80.416228] end_request: I/O error, dev sda, sector 6796224
>> [ =A0 80.419759] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.423135] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.425117] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.427447] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.429840] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.432094] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.434425] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.436746] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.439043] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.441358] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.443626] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.445864] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.448051] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.450271] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.452482] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.454745] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.457029] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.459299] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.461604] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.463843] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.466045] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.468274] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.470510] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.472725] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.474902] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.477103] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.479278] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.481514] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.483647] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.485780] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.487838] end_request: I/O error, dev sda, sector 6796288
>> [ =A0 80.489897] end_request: I/O error, dev sda, sector 6796224
>> [ =A0 80.491920] end_request: I/O error, dev sda, sector 6796224
>> [ =A0 80.494294] end_request: I/O error, dev sda, sector 4971928
>> [ =A0 80.496445] end_request: I/O error, dev sda, sector 4971928
>> [ =A0 80.498650] end_request: I/O error, dev sda, sector 11290592
>> [ =A0 80.500834] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
>> to read inode block - inode=3D2231 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 26,
>> block=3D885244
>> [ =A0 80.504930] end_request: I/O error, dev sda, sector 4208640
>> [ =A0 80.507019] Buffer I/O error on device sda3, logical block 0
>> udevd-work[1632]: exec of program '/lib/udev/scsi_id' failed
>>
>> [ =A0 80.511028] end_request: I/O error, dev sda, sector 12352272
>> [ =A0 80.513236] Buffer I/O error on device sda3, logical block 1017954
>> [ =A0 80.515677] end_request: I/O error, dev sda, sector 12360888
>> [ =A0 80.518021] Buffer I/O error on device sda3, logical block 1019031
>> [ =A0 80.520527] Buffer I/O error on device sda3, logical block 1019032
>> [ =A0 80.523072] end_request: I/O error, dev sda, sector 9980016
>> [ =A0 80.525394] journal_bmap: journal block not found at offset 12 on s=
da3
>> [ =A0 80.527956] Aborting journal on device sda3.
>> [ =A0 80.529854] end_request: I/O error, dev sda, sector 9979920
>> [ =A0 80.532119] Buffer I/O error on device sda3, logical block 721410
>> [ =A0 80.534799] end_request: I/O error, dev sda, sector 9979928
>> [ =A0 80.537239] end_request: I/O error, dev sda, sector 9979936
>> [ =A0 80.539639] end_request: I/O error, dev sda, sector 9370632
>> [ =A0 80.542144] end_request: I/O error, dev sda, sector 9370632
>> [ =A0 80.544499] EXT3-fs (sda3): error: ext3_journal_start_sb: Detected
>> aborted journal
>> [ =A0 80.547659] EXT3-fs (sda3): error: remounting filesystem read-only
>> [ =A0 80.550535] end_request: I/O error, dev sda, sector 11290592
>> [ =A0 80.552989] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
>> to read inode block - inode=3D2231 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 26,
>> block=3D885244
>> udevd-work[1634]: exec of program '/sbin/blkid' failed
>>
>> [ =A0 80.559337] end_request: I/O error, dev sda, sector 4972560
>> [ =A0 80.561964] end_request: I/O error, dev sda, sector 4972560
>> [ =A0 80.564546] end_request: I/O error, dev sda, sector 11290592
>> [ =A0 80.567069] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
>> to read inode block - inode=3D2231 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 26,
>> block=3D885244
>> udevd-work[1635]: exec of program '/lib/udev/edd_id' failed
>>
>> [ =A0 80.576377] end_request: I/O error, dev sda, sector 4952712
>> [ =A0 80.580086] end_request: I/O error, dev sda, sector 4952712
>> [ =A0 80.583689] end_request: I/O error, dev sda, sector 11290592
>> [ =A0 80.586292] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
>> to read inode block - inode=3D2231 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 26,
>> block=3D885244
>> udevd-work[1636]: exec of program '/lib/udev/udisks-part-id' failed
>>
>> [ =A0 80.593995] end_request: I/O error, dev sda, sector 9370632
>> [ =A0 80.596704] end_request: I/O error, dev sda, sector 9370632
>> [ =A0 80.596755] end_request: I/O error, dev sda, sector 11290592
>> [ =A0 80.596760] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
>> to read inode block - inode=3D2231 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 26,
>> block=3D885244
>> udevd-work[1637][ =A0 80.608632] end_request: I/O error, dev sda, sector=
 11290592
>> : exec of program '/sbin/blkid' failed[ =A0 80.612951] EXT3-fs error
>> (device sda3): ext3_get_inode_loc: u
>> nable to read inode block - inode=3D223126, block=3D885244
>>
>>
>> [ =A0 80.621449] end_request: I/O error, dev sda, sector 9370632
>> [ =A0 80.624665] end_request: I/O error, dev sda, sector 11290592
>> [ =A0 80.627305] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
>> to read inode block - inode=3D2231 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 26,
>> block=3D885244
>> udevd-work[1638]: exec of program '/sbin/blkid' failed
>>
>> udevd-work[1639]: exec of program '/sbin/blkid' failed
>>
>> [ =A0 80.635017] end_request: I/O error, dev sda, sector 4952712
>> [ =A0 80.637899] end_request: I/O error, dev sda, sector 4952712
>> [ =A0 80.637956] end_request: I/O error, dev sda, sector 11290592
>> [ =A0 80.637962] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
>> to read inode block - inode=3D2231 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 26,
>> block=3D885244
>> [ =A0 80.649954] end_request: I/O error, dev sda, sector 4952712
>> udevd-work[1640]: exec of program '/lib/udev/udi[ =A0 80.649974]
>> end_request: I/O error, dev sda, sector
>> 11290592
>> sks-part-id' failed
>> [ =A0 80.649981] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
>> to read inode block - inode=3D2231 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 26,
>> block=3D885244
>>
>> udevd-work[1641][ =A0 80.664921] end_request: I/O error, dev sda, sector=
 11290592
>> : exec of program '/lib/udev/udisks-part-id' fai[ =A0 80.669088] EXT3-fs
>> error (device sda3): ext3_get_in
>> ode_loc: ledunable to read inode block - inode=3D223126, block=3D885244
>>
>>
>> udevd-work[1642]: exec of program '/lib/udev/udisks-part-id' failed
>>
>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 done
>> [ =A0 80.688649] end_request: I/O error, dev sda, sector 11516760
>> [ =A0 80.693402] end_request: I/O error, dev sda, sector 11517320
>> [ =A0 80.698410] end_request: I/O error, dev sda, sector 11516760
>> boot.loadmodules: Input/output error
>> [ =A0 80.705752] end_request: I/O error, dev sda, sector 11517320
>> boot.rootfsck: Input/output error
>> [ =A0 80.712719] end_request: I/O error, dev sda, sector 11516496
>> [ =A0 80.717814] end_request: I/O error, dev sda, sector 11516704
>> [ =A0 80.730101] end_request: I/O error, dev sda, sector 11516496
>> boot.clock: Input/output error
>> [ =A0 80.736217] end_request: I/O error, dev sda, sector 11516768
>> [ =A0 80.741296] end_request: I/O error, dev sda, sector 11352104
>> [ =A0 80.745949] end_request: I/O error, dev sda, sector 11352104
>> boot.device-mapper: Input/output error
>> [ =A0 80.753208] end_request: I/O error, dev sda, sector 11516768
>> boot.localfs: Input/output error
>> [ =A0 80.760052] end_request: I/O error, dev sda, sector 11516488
>> [ =A0 80.764909] end_request: I/O error, dev sda, sector 11499608
>> [ =A0 80.769502] end_request: I/O error, dev sda, sector 11303224
>> [ =A0 80.775085] end_request: I/O error, dev sda, sector 11516744
>> [ =A0 80.779703] end_request: I/O error, dev sda, sector 11517168
>> [ =A0 80.784166] end_request: I/O error, dev sda, sector 11517360
>> [ =A0 80.788596] end_request: I/O error, dev sda, sector 11518640
>> [ =A0 80.793861] end_request: I/O error, dev sda, sector 11518640
>> [ =A0 80.798273] end_request: I/O error, dev sda, sector 11517360
>> [ =A0 80.803364] end_request: I/O error, dev sda, sector 11517176
>> boot.swap: Input/output error
>> [ =A0 80.809435] end_request: I/O error, dev sda, sector 11517168
>> boot.proc: Input/output error
>> [ =A0 80.815339] end_request: I/O error, dev sda, sector 11516488
>> boot.localnet: Input/output error[ =A0 80.820846] end_request: I/O
>> error, dev sda, sector 11516744
>> [ =A0 80.825458] end_request: I/O error, dev sda, sector 11499608
>> [ =A0 80.829771] end_request: I/O error, dev sda, sector 11303224
>> [ =A0 80.834086] end_request: I/O error, dev sda, sector 11516752
>>
>> boot.cleanup: In[ =A0 80.838667] end_request: I/O error, dev sda, sector=
 11518160
>> put/output error[ =A0 80.843568] end_request: I/O error, dev sda, sector=
 11516752
>>
>> [ =A0 80.847792] end_request: I/O error, dev sda, sector 11518160
>> boot.cycle: Input/output error[ =A0 80.853141] end_request: I/O error,
>> dev sda, sector 11417656
>>
>> [ =A0 80.853840] end_request: I/O error, dev sda, sector 11417656
>> boot.fuse: Input/output error
>> boot.klog: Input/output error
>> boot.sysctl: Input/output error
>> [ =A0 80.865148] end_request: I/O error, dev sda, sector 11516712
>> [ =A0 80.865199] end_request: I/O error, dev sda, sector 11516712
>> boot.ldconfig: Input/output error
>> boot.udev_retry: Input/output error
>> boot.apparmor: Input/output error
>> boot.ipconfig: Input/output error
>> System Boot Control: The system has been =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=
 =A0 =A0 =A0 =A0 =A0 =A0 =A0set up
>> Failed features: boot.loadmodules boot.rootfsck boot.clock
>> boot.device-mapper boot.localfs boot.cleanup
>> =A0 =A0 =A0boot.cycle boot.fuse boot.klog boot.localnet boot.proc boot.s=
wap
>> boot.sysctl boot.ldconfig boot.udev_r
>> etry boot.apparmor boot.ipconfig
>> System Boot Control: Running /etc/init.d/boot.local
>> [ =A0 80.890020] end_request: I/O error, dev sda, sector 11540760
>> [ =A0 80.892185] end_request: I/O error, dev sda, sector 11540760
>> /etc/init.d/boot.local: /etc/init.d/boot.local: Input/output error =A0 =
=A0failed
>> [ =A0 80.897735] end_request: I/O error, dev sda, sector 9369944
>> [ =A0 80.900025] end_request: I/O error, dev sda, sector 9369944
>> [ =A0 80.902265] end_request: I/O error, dev sda, sector 9369944
>> /etc/init.d/boot: line 314: /sbin/killproc: Input/output error
>> /etc/init.d/boot: line 326: /var/run/no_blogd: Read-only file system
>> [ =A0 80.909885] end_request: I/O error, dev sda, sector 12335128
>> [ =A0 80.913314] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
>> to read inode block - inode=3D2539 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 69,
>> block=3D1015811
>> [ =A0 80.920333] end_request: I/O error, dev sda, sector 12335128
>> [ =A0 80.923922] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
>> to read inode block - inode=3D2539 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 69,
>> block=3D1015811
>> [ =A0 80.931552] end_request: I/O error, dev sda, sector 12335128
>> [ =A0 80.935604] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
>> to read inode block - inode=3D2539 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 69,
>> block=3D1015811
>> [ =A0 80.944776] end_request: I/O error, dev sda, sector 11290592
>> [ =A0 80.948819] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
>> to read inode block - inode=3D2231 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 26,
>> block=3D885244
>> INIT: Entering runlevel: 3
>> [ =A0 80.965451] end_request: I/O error, dev sda, sector 11519720
>> [ =A0 80.969737] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> [ =A0 80.980514] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
>> 80.987414] end_request: I/O erro =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=
 =A0 =A0 =A0 =A0 =A0 r, dev
>> sda, sector 11519720
>>
>> [ =A0 80.991743] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript:[ =A0 80.996145] end_request: I/O error, dev sda, sector=
 11519720
>> =A0line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/s[ =A0 81.005996] end_request: I/O error,
>> dev sda, sector 11519720
>> ysconfig/ulimit: Input/output er[ =A0 81.010510] end_request: I/O error,
>> dev sda, sector 11519720
>> ror[ =A0 81.016077] end_request: I/O error, dev sda, sector 11519720
>>
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
>> 81.022320] end_request: I/O erro =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=
 =A0 =A0 =A0 =A0 =A0 r, dev
>> sda, sector 11519720
>>
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript:[ =A0 81.030711] end_request: I/O error, dev sda, sector=
 11519720
>> =A0line 77: /etc/sysconfig/ulimit:[ =A0 81.035523] end_request: I/O erro=
r,
>> dev sda, sector 11519720
>> =A0Input/output error
>> /etc/initscript:[ =A0 81.043077] end_request: I/O error, dev sda, sector=
 11519720
>> =A0line 77: /etc/sysconfig/ulimit:[ =A0 81.047889] end_request: I/O erro=
r,
>> dev sda, sector 11519720
>> =A0Input/output error[ =A0 81.052231] end_request: I/O error, dev sda,
>> sector 11519720
>>
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/outp[
>> 81.062739] end_request: I/O error, dev s
>> da, sector 11519720
>> ut error
>> [ =A0 81.066952] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> [ =A0 81.081287] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit:[ =A0 81.087077]
>> end_request: I/O error, dev sda, sector
>> 11519720
>> =A0Input/output error
>> [ =A0 81.092828] end_request: I/O error, dev sda, sector 11519720
>> [ =A0 81.097171] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
>> 81.105199] end_request: I/O error, =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0dev
>> sda, sector 11519720
>> ror
>> /etc/initscript: line 77: /[ =A0 81.109861] end_request: I/O error, dev
>> sda, sector 11519720
>> etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input[ =A0 81.116079]
>> end_request: I/O error, dev sda, s =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 ector
>> 11519720
>> /output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/uli[ =A0 81.123656]
>> end_request: I/O error, dev sda, sector 1151
>> =A0 =A0 9720
>> mit: Input/output error
>> [ =A0 81.131077] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript:[ =A0 81.135256] end_request: I/O error, dev sda, sector=
 11519720
>> =A0line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> [ =A0 81.145043] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
>> 81.151102] end_request: I/O erro =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=
 =A0 =A0 =A0 =A0 =A0 r, dev
>> sda, sector 11519720
>>
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript:[ =A0 81.158246] end_request: I/O error, dev sda, sector=
 11519720
>> =A0line 77: /etc/sysconfig/ulimit: Input/output error[ =A0 81.163908]
>> end_request: I/O error, dev sda, sect =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0 or
>> 11519720
>>
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript:[ =A0 81.170077] end_request: I/O error, dev sda, sector=
 11519720
>> =A0line 77: /etc/sysconfig/ulimit: Input/output error
>> [ =A0 81.175614] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
>> 81.181692] end_request: I/O erro =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=
 =A0 =A0 =A0 =A0 =A0 r, dev
>> sda, sector 11519720
>>
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> [ =A0 81.188834] end_request: I/O error, dev sda, sector 11519720
>> [ =A0 81.193074] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ul[ =A0 81.202959] end_request:
>> I/O error, dev sda, sector 11519 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=
 =A0 =A0 =A0 =A0 =A0 720
>> imit: Input/output error
>> [ =A0 81.209078] end_request: I/O error, dev sda, sector 11519720
>> [ =A0 81.215046] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit:[ =A0 81.220029]
>> end_request: I/O error, dev sda, sector
>> 11519720
>> =A0Input/output error
>> /etc/initscript:[ =A0 81.224860] end_request: I/O error, dev sda, sector=
 11519720
>> =A0line 77: /etc/sysconfig/ulimit: Input/output error[ =A0 81.230950]
>> end_request: I/O error, dev sda, sect =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0 or
>> 11519720
>>
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> [ =A0 81.241445] end_request: I/O error, dev sda, sector 11519720
>> [ =A0 81.245133] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
>> 81.253519] end_request: I/O erro =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=
 =A0 =A0 =A0 =A0 =A0 r, dev
>> sda, sector 11519720
>>
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
>> 81.259342] end_request: I/O error, =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0dev
>> sda, sector 11519720
>> ror
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/outp[
>> 81.265077] end_request: I/O error, dev s
>> da, sector 11519720
>> ut error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sy[ =A0 81.271786] end_request: I/O
>> error, dev sda, sector 11519720
>> sconfig/ulimit: Input/output error
>> [ =A0 81.277066] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> [ =A0 81.284078] end_request: I/O error, dev sda, sector 11519720
>> [ =A0 81.287740] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit:[ =A0 81.292708]
>> end_request: I/O error, dev sda, sector
>> 11519720
>> =A0Input/output error[ =A0 81.298719] end_request: I/O error, dev sda,
>> sector 11519720
>>
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript:[ =A0 81.304841] end_request: I/O error, dev sda, sector=
 11519720
>> =A0line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> [ =A0 81.313187] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> [ =A0 81.324518] end_request: I/O error, dev sda, sector 11519720
>> [ =A0 81.329435] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
>> 81.334830] end_request: I/O error, =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0dev
>> sda, sector 11519720
>> ror
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line [ =A0 81.341698] end_request: I/O error, dev sda,
>> sector 11519720
>> 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> INIT: Id "6[ =A0 81.349010] end_request: I/O error, dev sda, sector 1151=
9720
>> " respawning too fast: disabled for 5 minutes
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
>> 81.355880] end_request: I/O error, =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0dev
>> sda, sector 11519720
>> ror
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> [ =A0 81.363875] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
>> 81.369261] end_request: I/O error, =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0dev
>> sda, sector 11519720
>> ror
>> INIT: Id "co" respawning too fast: disabled for 5 minutes
>> /etc/initscript: line 77: /etc[ =A0 81.376228] end_request: I/O error,
>> dev sda, sector 11519720
>> /sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> INI[ =A0 81.383188] end_request: I/O error, dev sda, sector 11519720
>> T: Id "3" respawning too fast: disabled for 5 minutes
>> /etc/initscript: line 77[ =A0 81.389244] end_request: I/O error, dev
>> sda, sector 11519720
>> : /etc/sysconfig/ulimit: Input/output error
>> INIT: Id "4" respawning too fast: disabled for 5 minutes
>> /etc/in[ =A0 81.395907] end_request: I/O error, dev sda, sector 11519720
>> itscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: I[ =A0 81.403341]
>> end_request: I/O error, dev sda, secto =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0 r
>> 11519720
>> nput/output error
>> INIT: Id "5" respawning too fast: disabled for 5 minutes
>> /etc/initscript: [ =A0 81.410018] end_request: I/O error, dev sda, secto=
r 11519720
>> line 77: /etc/sysconfig/ulimit: Input/output error
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> INIT: Id "1" respawning too fast: disabled for 5 minutes
>> [ =A0 81.420725] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> [ =A0 81.430746] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> [ =A0 81.440664] end_request: I/O error, dev sda, sector 11519720
>> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
>> INIT: Id "2" respawning too fast: disabled for 5 minutes
>> INIT: no more processes left in this runlevel
>>
>>
>>
>>
>> On Wed, Nov 30, 2011 at 11:48 AM, Artur Baruchi <mail.baruchi@gmail.com>=
 wrote:
>> > Hi.
>> >
>> > Im installing a VM to run a benchmark, Im able to install the VM issue
>> > the first boot (to setup network configurations), but if I reboot the
>> > VM it just hangs and do not boot. I've re-installed the machine but no
>> > success. Follow some details:
>> >
>> > - Dom0: Opensuse 11.3 (x86_64), kernel 2.6.34-12-xen,
>> > xen-4.0.0_21091_05-6.6.x86_64
>> > - DomU: Full Virtualization, Opensuse 11.3 (x86_64), kernel 2.6.34-12-=
desktop
>> >
>> > Some errors in message file (not sure that this errors mean something
>> > for this problem):
>> > Nov 27 23:02:17 linuxtemp01 kernel: [ 5681.075141] ata1: link is slow
>> > to respond, please be patient (ready=3D0)
>> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.073141] ata1: device not
>> > ready (errno=3D-16), forcing hardreset
>> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.073236] ata1: soft resettin=
g link
>> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.228817] ata1.00: configured
>> > for MWDMA2
>> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230503] ata1.01: configured
>> > for MWDMA1
>> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230508] ata1.00: device
>> > reported invalid CHS sector 0
>> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230515] ata1: EH complete
>> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701259] ata1.01: exception
>> > Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
>> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701262] ata1.01: failed
>> > command: WRITE DMA EXT
>> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701265] ata1.01: cmd
>> > 35/00:98:ef:c0:24/00:02:02:00:00/f0 tag 0 dma 339968 out
>> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701266] ? ? ? ? ?res
>> > 40/00:01:00:00:00/00:00:00:00:00/b0 Emask 0x4 (timeout)
>> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701268] ata1.01: status: { =
DRDY }
>> > Nov 27 23:08:29 linuxtemp01 kernel: [ 6052.750078] ata1: link is slow
>> > to respond, please be patient (ready=3D0)
>> > Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.748079] ata1: device not
>> > ready (errno=3D-16), forcing hardreset
>> > Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.748134] ata1: soft resettin=
g link
>> > Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.902320] ata1.00: configured
>> > for MWDMA2
>> > Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903499] ata1.01: configured
>> > for MWDMA1
>> > Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903503] ata1.01: device
>> > reported invalid CHS sector 0
>> > Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903506] ata1: EH complete
>> >
>> > My problem is very similar to this one:
>> > http://web.archiveorange.com/archive/v/wmeLDfqXdkxOOQURv2Ak
>> >
>> > But the workaround for this issue is not working for me.
>> >
>> > Any help will be welcome.
>> >
>> > Thanks in advance.
>> >
>> > Att.
>> > Artur Baruchi
>>
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@lists.xensource.com
>> http://lists.xensource.com/xen-devel

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From: =?UTF-8?Q?Szalai_Bal=C3=A1zs?= <szalaib@econsys.hu>
To: =?UTF-8?Q?Fran_Rodr=C3=ADguez?= <fran.clasico@gmail.com>
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Subject: Re: [Xen-users] Nic Bonding xen 4-0 squeeze
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2011/11/28 Fran Rodr=C3=ADguez <fran.clasico@gmail.com>

> Thank you Szalai and Olivier for the answers, i try thats configurations
> but it doesnt work for me... Ive been using xen system from repositories,
> my bonding.conf on /etc/modprobe.d/ is
>
> alias bond0 bonding
> options mode=3D1 ...
>
My configuration is working in mode 4 (lacp 802.3ad) and I didn't
configured any files in   /etc/modprobe.d/
All of the options (mode, rates, delays) are described in
/etc/network/interfaces.


>
And my interface file is like you told me. Well, when i restarted the
> machines, i got this for the screen :
> "Cannot find device br0
> /etc/xen/scripts/network-bridge line240 sigerr: command not found"
>

What is the output of "brctl show" command? By the way I think you have
some problem at the interface configuration and the xen's network-bridge
script halted.


>
> The commando on that line is ip... ?=C2=BF and it exits. This is the line=
s, it
> seems something is missing... Any idea?=C2=BF
>
> ip link set ${netdev} name ${pdev}
> ip link set ${tdev} name ${bridge}
>
>
> Thank you guys
>
> On Mon, Nov 28, 2011 at 4:48 PM, Szalai Bal=C3=A1zs <szalaib@econsys.hu> =
wrote:
>
>> Hi!
>>
>> This is a working configuration on Squeeze:
>>
>> [/etc/network/interfaces]
>> auto eth1
>> iface eth1 inet manual
>>
>> auto eth2
>> iface eth2 inet manual
>>
>> auto bond0
>> iface bond0 inet manual
>> slaves eth1 eth2
>> bond-mode 4
>>  bond-miimon 100
>> bond-lacp_rate 1
>> bond-downdelay 200
>>  bond-updelay 200
>>
>> auto br0
>> iface br0 inet static
>> bridge_ports bond0
>>  address 172.16.1.140
>> netmask 255.255.255.0
>> gateway 172.16.1.52
>>  bridge_stp on
>> bridge_fd 0
>>
>> [domU vif config]
>> vif         =3D [ 'bridge=3Dbr0,ip=3D172.16.1.141,mac=3D00:16:3E:75:05:9=
0' ]
>>
>> [brctl show]
>> bridge name bridge id STP enabled interfaces
>> br0 8000.001b219c5eae yes bond0
>>         vif18.0
>>
>> 2011/11/28 Fran Rodr=C3=ADguez <fran.clasico@gmail.com>
>>
>>> hi list,
>>>
>>> I got a problem with this stuff for a long time, and the problema come
>>> when we update our servers to the version Squeeze, on Lenny it works
>>> perfectly. On squeeze machines the bonding works ok until i install the=
 xen
>>> system. I saw many tutorials on internet and i dont know what to do mor=
e.
>>> Anyone could explain what its the normal process to get work this featu=
re?
>>> or tell me where i can read something ? i am very frustrated.
>>>
>>> Thanks
>>> --
>>> Fran Rodr=C3=ADguez
>>> escala NetLabel
>>> http://escalared.com
>>>
>>> _______________________________________________
>>> Xen-users mailing list
>>> Xen-users@lists.xensource.com
>>> http://lists.xensource.com/xen-users
>>>
>>
>>
>>
>> --
>>
>> =C3=9Cdv=C3=B6zlettel:  Szalai Bal=C3=A1zs
>>
>> EconSys Sz=C3=A1mviteli =C3=A9s Informatikai Kft.
>> Sz=C3=A9khely: Budapest, Als=C3=B3erd=C5=91sor utca 5.
>> Tel: +36 20 229-6669
>>
>>
>
>
> --
> Fran Rodr=C3=ADguez
> escala NetLabel
> http://escalared.com
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>



--=20

=C3=9Cdv=C3=B6zlettel:  Szalai Bal=C3=A1zs

EconSys Sz=C3=A1mviteli =C3=A9s Informatikai Kft.
Sz=C3=A9khely: Budapest, Als=C3=B3erd=C5=91sor utca 5.
Tel: +36 20 229-6669

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<br><br><div class=3D"gmail_quote">2011/11/28 Fran Rodr=C3=ADguez <span dir=
=3D"ltr">&lt;<a href=3D"mailto:fran.clasico@gmail.com">fran.clasico@gmail.c=
om</a>&gt;</span><br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 =
0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Thank you Szalai and Olivier for the answers, i try thats configurations bu=
t it doesnt work for me... Ive been using xen system from repositories, my =
bonding.conf on=C2=A0/etc/modprobe.d/ is<div><br></div><div>alias bond0 bon=
ding</div>

<div>options mode=3D1 ...</div><div></div></blockquote><div>My configuratio=
n is working in mode 4 (lacp 802.3ad) and I didn&#39;t configured any files=
 in =C2=A0=C2=A0/etc/modprobe.d/</div><div>All of the options (mode, rates,=
 delays) are described in /etc/network/interfaces.=C2=A0<br>
<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;bord=
er-left:1px #ccc solid;padding-left:1ex;"><div>=C2=A0</div></blockquote><bl=
ockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #=
ccc solid;padding-left:1ex;">
<div></div><div>And my interface file is like you told me. Well, when i res=
tarted the machines, i got this for the screen :</div><div>&quot;Cannot fin=
d device br0</div><div>/etc/xen/scripts/network-bridge line240 sigerr: comm=
and not found&quot;</div>
</blockquote><div><br></div><div>What is the output of &quot;brctl show&quo=
t; command? By the way I think you have some problem at the interface confi=
guration and the xen&#39;s network-bridge script halted.</div><div>=C2=A0</=
div>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex;">
<div><br></div><div>The commando on that line is ip... ?=C2=BF and it exits=
. This is the lines, it seems something is missing... Any idea?=C2=BF=C2=A0=
=C2=A0 =C2=A0=C2=A0</div><div><br></div><div>ip link set ${netdev} name ${p=
dev}</div><div>ip link set ${tdev} name ${bridge}</div>

<div><br></div><div><br></div><div>Thank you guys</div><div class=3D"HOEnZb=
"><div class=3D"h5"><div><br><div class=3D"gmail_quote">On Mon, Nov 28, 201=
1 at 4:48 PM, Szalai Bal=C3=A1zs <span dir=3D"ltr">&lt;<a href=3D"mailto:sz=
alaib@econsys.hu" target=3D"_blank">szalaib@econsys.hu</a>&gt;</span> wrote=
:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div><div><div>Hi!</div><div><br></div><div>=
This is a working configuration on Squeeze:</div>
<div><br></div><div>[/etc/network/interfaces]</div><div>auto eth1</div><div=
>iface eth1 inet manual</div><div><br></div><div>auto eth2</div>
<div>iface eth2 inet manual</div><div><br></div><div>auto bond0</div><div>i=
face bond0 inet manual</div><div><span style=3D"white-space:pre-wrap">	</sp=
an>slaves eth1 eth2</div><div><span style=3D"white-space:pre-wrap">	</span>=
bond-mode 4</div>


<div><span style=3D"white-space:pre-wrap">	</span>bond-miimon 100</div><div=
><span style=3D"white-space:pre-wrap">	</span>bond-lacp_rate 1</div><div><s=
pan style=3D"white-space:pre-wrap">	</span>bond-downdelay 200</div>
<div><span style=3D"white-space:pre-wrap">	</span>bond-updelay 200</div><di=
v><br></div><div>auto br0</div><div>iface br0 inet static</div><div><span s=
tyle=3D"white-space:pre-wrap">	</span>bridge_ports bond0</div>
<div><span style=3D"white-space:pre-wrap">	</span>address 172.16.1.140</div=
><div><span style=3D"white-space:pre-wrap">	</span>netmask 255.255.255.0</d=
iv><div><span style=3D"white-space:pre-wrap">	</span>gateway 172.16.1.52</d=
iv>


<div><span style=3D"white-space:pre-wrap">	</span>bridge_stp on</div><div><=
span style=3D"white-space:pre-wrap">	</span>bridge_fd 0</div><div><br></div=
><div>[domU vif config]</div><div>vif =C2=A0 =C2=A0 =C2=A0 =C2=A0 =3D [ &#3=
9;bridge=3Dbr0,ip=3D172.16.1.141,mac=3D00:16:3E:75:05:90&#39; ]</div>


<div><br></div><div>[brctl show]</div><div>bridge name<span style=3D"white-=
space:pre-wrap">	</span>bridge id<span style=3D"white-space:pre-wrap">		</s=
pan>STP enabled<span style=3D"white-space:pre-wrap">	</span>interfaces</div=
>


<div>br0<span style=3D"white-space:pre-wrap">		</span>8000.001b219c5eae<spa=
n style=3D"white-space:pre-wrap">	</span>yes<span style=3D"white-space:pre-=
wrap">		</span>bond0</div>
<div><span style=3D"white-space:pre-wrap">							</span> =C2=A0 =C2=A0 =C2=
=A0 =C2=A0vif18.0</div><br></div></div><div class=3D"gmail_quote">2011/11/2=
8 Fran Rodr=C3=ADguez <span dir=3D"ltr">&lt;<a href=3D"mailto:fran.clasico@=
gmail.com" target=3D"_blank">fran.clasico@gmail.com</a>&gt;</span><br>


<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div><div>hi list,=C2=A0<div><br></div><div>=
I got a problem with this stuff for a long time, and the problema come when=
 we update our servers to the version Squeeze, on Lenny it works perfectly.=
 On squeeze machines the bonding works ok until i install the xen system. I=
 saw many tutorials on internet and i dont know what to do more. Anyone cou=
ld explain what its the normal process to get work this feature? or tell me=
 where i can read something ? i am very frustrated.=C2=A0</div>



<div><br></div><div>Thanks</div><span><font color=3D"#888888"><div>-- <br>F=
ran Rodr=C3=ADguez<br>escala NetLabel<br><a href=3D"http://escalared.com" t=
arget=3D"_blank">http://escalared.com</a><br>
</div>
</font></span><br></div></div><div>________________________________________=
_______<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com" target=3D"_blank">Xen-user=
s@lists.xensource.com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br></div></blockquote></div><div><div><br>=
<br clear=3D"all"><div><br></div>-- <br><p>=C3=9Cdv=C3=B6zlettel: =C2=A0Sza=
lai Bal=C3=A1zs</p>
<p>EconSys Sz=C3=A1mviteli =C3=A9s Informatikai Kft.<br>
Sz=C3=A9khely: Budapest, Als=C3=B3erd=C5=91sor utca=C2=A05.=C2=A0<br>Tel: <=
a href=3D"tel:%2B36%2020%20229-6669" value=3D"+36202296669" target=3D"_blan=
k">+36 20 229-6669</a></p><br>
</div></div></blockquote></div><br><br clear=3D"all"><div><br></div>-- <br>=
Fran Rodr=C3=ADguez<br>escala NetLabel<br><a href=3D"http://escalared.com" =
target=3D"_blank">http://escalared.com</a><br>
</div>
</div></div><br>_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.=
com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br></blockquote></div><br><br clear=3D"all=
"><div><br></div>-- <br><p>=C3=9Cdv=C3=B6zlettel: =C2=A0Szalai Bal=C3=A1zs<=
/p><p>EconSys Sz=C3=A1mviteli =C3=A9s Informatikai Kft.<br>
Sz=C3=A9khely: Budapest, Als=C3=B3erd=C5=91sor utca=C2=A05.=C2=A0<br>Tel: +=
36 20 229-6669</p><br>

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From: =?UTF-8?Q?Szalai_Bal=C3=A1zs?= <szalaib@econsys.hu>
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2011/11/28 Fran Rodr=C3=ADguez <fran.clasico@gmail.com>

> Thank you Szalai and Olivier for the answers, i try thats configurations
> but it doesnt work for me... Ive been using xen system from repositories,
> my bonding.conf on /etc/modprobe.d/ is
>
> alias bond0 bonding
> options mode=3D1 ...
>
My configuration is working in mode 4 (lacp 802.3ad) and I didn't
configured any files in   /etc/modprobe.d/
All of the options (mode, rates, delays) are described in
/etc/network/interfaces.


>
And my interface file is like you told me. Well, when i restarted the
> machines, i got this for the screen :
> "Cannot find device br0
> /etc/xen/scripts/network-bridge line240 sigerr: command not found"
>

What is the output of "brctl show" command? By the way I think you have
some problem at the interface configuration and the xen's network-bridge
script halted.


>
> The commando on that line is ip... ?=C2=BF and it exits. This is the line=
s, it
> seems something is missing... Any idea?=C2=BF
>
> ip link set ${netdev} name ${pdev}
> ip link set ${tdev} name ${bridge}
>
>
> Thank you guys
>
> On Mon, Nov 28, 2011 at 4:48 PM, Szalai Bal=C3=A1zs <szalaib@econsys.hu> =
wrote:
>
>> Hi!
>>
>> This is a working configuration on Squeeze:
>>
>> [/etc/network/interfaces]
>> auto eth1
>> iface eth1 inet manual
>>
>> auto eth2
>> iface eth2 inet manual
>>
>> auto bond0
>> iface bond0 inet manual
>> slaves eth1 eth2
>> bond-mode 4
>>  bond-miimon 100
>> bond-lacp_rate 1
>> bond-downdelay 200
>>  bond-updelay 200
>>
>> auto br0
>> iface br0 inet static
>> bridge_ports bond0
>>  address 172.16.1.140
>> netmask 255.255.255.0
>> gateway 172.16.1.52
>>  bridge_stp on
>> bridge_fd 0
>>
>> [domU vif config]
>> vif         =3D [ 'bridge=3Dbr0,ip=3D172.16.1.141,mac=3D00:16:3E:75:05:9=
0' ]
>>
>> [brctl show]
>> bridge name bridge id STP enabled interfaces
>> br0 8000.001b219c5eae yes bond0
>>         vif18.0
>>
>> 2011/11/28 Fran Rodr=C3=ADguez <fran.clasico@gmail.com>
>>
>>> hi list,
>>>
>>> I got a problem with this stuff for a long time, and the problema come
>>> when we update our servers to the version Squeeze, on Lenny it works
>>> perfectly. On squeeze machines the bonding works ok until i install the=
 xen
>>> system. I saw many tutorials on internet and i dont know what to do mor=
e.
>>> Anyone could explain what its the normal process to get work this featu=
re?
>>> or tell me where i can read something ? i am very frustrated.
>>>
>>> Thanks
>>> --
>>> Fran Rodr=C3=ADguez
>>> escala NetLabel
>>> http://escalared.com
>>>
>>> _______________________________________________
>>> Xen-users mailing list
>>> Xen-users@lists.xensource.com
>>> http://lists.xensource.com/xen-users
>>>
>>
>>
>>
>> --
>>
>> =C3=9Cdv=C3=B6zlettel:  Szalai Bal=C3=A1zs
>>
>> EconSys Sz=C3=A1mviteli =C3=A9s Informatikai Kft.
>> Sz=C3=A9khely: Budapest, Als=C3=B3erd=C5=91sor utca 5.
>> Tel: +36 20 229-6669
>>
>>
>
>
> --
> Fran Rodr=C3=ADguez
> escala NetLabel
> http://escalared.com
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>



--=20

=C3=9Cdv=C3=B6zlettel:  Szalai Bal=C3=A1zs

EconSys Sz=C3=A1mviteli =C3=A9s Informatikai Kft.
Sz=C3=A9khely: Budapest, Als=C3=B3erd=C5=91sor utca 5.
Tel: +36 20 229-6669

--0016e64135e8e0e8d504b2cf60c3
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<br><br><div class=3D"gmail_quote">2011/11/28 Fran Rodr=C3=ADguez <span dir=
=3D"ltr">&lt;<a href=3D"mailto:fran.clasico@gmail.com">fran.clasico@gmail.c=
om</a>&gt;</span><br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 =
0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Thank you Szalai and Olivier for the answers, i try thats configurations bu=
t it doesnt work for me... Ive been using xen system from repositories, my =
bonding.conf on=C2=A0/etc/modprobe.d/ is<div><br></div><div>alias bond0 bon=
ding</div>

<div>options mode=3D1 ...</div><div></div></blockquote><div>My configuratio=
n is working in mode 4 (lacp 802.3ad) and I didn&#39;t configured any files=
 in =C2=A0=C2=A0/etc/modprobe.d/</div><div>All of the options (mode, rates,=
 delays) are described in /etc/network/interfaces.=C2=A0<br>
<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;bord=
er-left:1px #ccc solid;padding-left:1ex;"><div>=C2=A0</div></blockquote><bl=
ockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #=
ccc solid;padding-left:1ex;">
<div></div><div>And my interface file is like you told me. Well, when i res=
tarted the machines, i got this for the screen :</div><div>&quot;Cannot fin=
d device br0</div><div>/etc/xen/scripts/network-bridge line240 sigerr: comm=
and not found&quot;</div>
</blockquote><div><br></div><div>What is the output of &quot;brctl show&quo=
t; command? By the way I think you have some problem at the interface confi=
guration and the xen&#39;s network-bridge script halted.</div><div>=C2=A0</=
div>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex;">
<div><br></div><div>The commando on that line is ip... ?=C2=BF and it exits=
. This is the lines, it seems something is missing... Any idea?=C2=BF=C2=A0=
=C2=A0 =C2=A0=C2=A0</div><div><br></div><div>ip link set ${netdev} name ${p=
dev}</div><div>ip link set ${tdev} name ${bridge}</div>

<div><br></div><div><br></div><div>Thank you guys</div><div class=3D"HOEnZb=
"><div class=3D"h5"><div><br><div class=3D"gmail_quote">On Mon, Nov 28, 201=
1 at 4:48 PM, Szalai Bal=C3=A1zs <span dir=3D"ltr">&lt;<a href=3D"mailto:sz=
alaib@econsys.hu" target=3D"_blank">szalaib@econsys.hu</a>&gt;</span> wrote=
:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div><div><div>Hi!</div><div><br></div><div>=
This is a working configuration on Squeeze:</div>
<div><br></div><div>[/etc/network/interfaces]</div><div>auto eth1</div><div=
>iface eth1 inet manual</div><div><br></div><div>auto eth2</div>
<div>iface eth2 inet manual</div><div><br></div><div>auto bond0</div><div>i=
face bond0 inet manual</div><div><span style=3D"white-space:pre-wrap">	</sp=
an>slaves eth1 eth2</div><div><span style=3D"white-space:pre-wrap">	</span>=
bond-mode 4</div>


<div><span style=3D"white-space:pre-wrap">	</span>bond-miimon 100</div><div=
><span style=3D"white-space:pre-wrap">	</span>bond-lacp_rate 1</div><div><s=
pan style=3D"white-space:pre-wrap">	</span>bond-downdelay 200</div>
<div><span style=3D"white-space:pre-wrap">	</span>bond-updelay 200</div><di=
v><br></div><div>auto br0</div><div>iface br0 inet static</div><div><span s=
tyle=3D"white-space:pre-wrap">	</span>bridge_ports bond0</div>
<div><span style=3D"white-space:pre-wrap">	</span>address 172.16.1.140</div=
><div><span style=3D"white-space:pre-wrap">	</span>netmask 255.255.255.0</d=
iv><div><span style=3D"white-space:pre-wrap">	</span>gateway 172.16.1.52</d=
iv>


<div><span style=3D"white-space:pre-wrap">	</span>bridge_stp on</div><div><=
span style=3D"white-space:pre-wrap">	</span>bridge_fd 0</div><div><br></div=
><div>[domU vif config]</div><div>vif =C2=A0 =C2=A0 =C2=A0 =C2=A0 =3D [ &#3=
9;bridge=3Dbr0,ip=3D172.16.1.141,mac=3D00:16:3E:75:05:90&#39; ]</div>


<div><br></div><div>[brctl show]</div><div>bridge name<span style=3D"white-=
space:pre-wrap">	</span>bridge id<span style=3D"white-space:pre-wrap">		</s=
pan>STP enabled<span style=3D"white-space:pre-wrap">	</span>interfaces</div=
>


<div>br0<span style=3D"white-space:pre-wrap">		</span>8000.001b219c5eae<spa=
n style=3D"white-space:pre-wrap">	</span>yes<span style=3D"white-space:pre-=
wrap">		</span>bond0</div>
<div><span style=3D"white-space:pre-wrap">							</span> =C2=A0 =C2=A0 =C2=
=A0 =C2=A0vif18.0</div><br></div></div><div class=3D"gmail_quote">2011/11/2=
8 Fran Rodr=C3=ADguez <span dir=3D"ltr">&lt;<a href=3D"mailto:fran.clasico@=
gmail.com" target=3D"_blank">fran.clasico@gmail.com</a>&gt;</span><br>


<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div><div>hi list,=C2=A0<div><br></div><div>=
I got a problem with this stuff for a long time, and the problema come when=
 we update our servers to the version Squeeze, on Lenny it works perfectly.=
 On squeeze machines the bonding works ok until i install the xen system. I=
 saw many tutorials on internet and i dont know what to do more. Anyone cou=
ld explain what its the normal process to get work this feature? or tell me=
 where i can read something ? i am very frustrated.=C2=A0</div>



<div><br></div><div>Thanks</div><span><font color=3D"#888888"><div>-- <br>F=
ran Rodr=C3=ADguez<br>escala NetLabel<br><a href=3D"http://escalared.com" t=
arget=3D"_blank">http://escalared.com</a><br>
</div>
</font></span><br></div></div><div>________________________________________=
_______<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com" target=3D"_blank">Xen-user=
s@lists.xensource.com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br></div></blockquote></div><div><div><br>=
<br clear=3D"all"><div><br></div>-- <br><p>=C3=9Cdv=C3=B6zlettel: =C2=A0Sza=
lai Bal=C3=A1zs</p>
<p>EconSys Sz=C3=A1mviteli =C3=A9s Informatikai Kft.<br>
Sz=C3=A9khely: Budapest, Als=C3=B3erd=C5=91sor utca=C2=A05.=C2=A0<br>Tel: <=
a href=3D"tel:%2B36%2020%20229-6669" value=3D"+36202296669" target=3D"_blan=
k">+36 20 229-6669</a></p><br>
</div></div></blockquote></div><br><br clear=3D"all"><div><br></div>-- <br>=
Fran Rodr=C3=ADguez<br>escala NetLabel<br><a href=3D"http://escalared.com" =
target=3D"_blank">http://escalared.com</a><br>
</div>
</div></div><br>_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.=
com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br></blockquote></div><br><br clear=3D"all=
"><div><br></div>-- <br><p>=C3=9Cdv=C3=B6zlettel: =C2=A0Szalai Bal=C3=A1zs<=
/p><p>EconSys Sz=C3=A1mviteli =C3=A9s Informatikai Kft.<br>
Sz=C3=A9khely: Budapest, Als=C3=B3erd=C5=91sor utca=C2=A05.=C2=A0<br>Tel: +=
36 20 229-6669</p><br>

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Subject: [Xen-users] Booting Windows HVM from physical partition
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My first ever posting to this list: I hope the content is appropriate.

I have a VT-x and VT-d capable machine which is currently set up as a reg=
ular Windows 7 machine and want to do the following with it:

1) Boot into Xen from CD

2) VT-d all of the system hardware except for the NIC into a Windows HVM.=
 Notably, this will include VT-d-ing the hard disk (which includes the bo=
otable Windows partition) into the Windows HVM

3) Launch the Windows HVM from the current Windows disk partition

I assume that Windows should manage this successfully, since it will see =
all the same hardware as when it is booted as a physical machine, except =
that the NIC has been removed? And I'll obviously have to create a custom=
 Xen Live CD with the appropriate VT-d settings for the hardware in quest=
ion.

Would be grateful for any pointers on whether / how this is possible. Fro=
m my reading around the topic, it looks like the only bit that's really n=
on-standard is that the physical boot device is to be VT-d into the Windo=
ws HVM, rather than booting from a virtual storage device.

By the way, the reason for doing this is in order to subsequently connect=
 the Windows HVM to a virtualised NIC and to be able to modify the networ=
king behaviour using networking code within Dom0. However, I also need to=
 be able to boot the Windows machine natively (ie with direct access to t=
he physical NIC) in some circumstances.

Thanks,
Henry


----=_vm_0011_W5336332113_14445_1322653663
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<html><TABLE id=3D201179 border=3D0 width=3D"100%" bgColor=3D#ffffff heig=
ht=3D400>
<TBODY>
<TR>
<TD vAlign=3Dtop width=3D"100%">
<DIV><FONT size=3D2 face=3DVerdana>My first ever posting to this list: I =
hope the content is appropriate.</FONT></DIV>
<DIV><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>I have a VT-x and VT-d capable machine which is curre=
ntly set up as a regular Windows 7 machine and want to do the following w=
ith it:</FONT></DIV>
<DIV><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>1) Boot into Xen from CD</FONT></DIV>
<DIV><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>2) VT-d all of the system hardware except for the NIC=
 into a Windows HVM. Notably, this will include VT-d-ing the hard disk (w=
hich includes the bootable Windows partition) into the Windows HVM</FONT>=
</DIV>
<DIV><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>3) Launch the Windows HVM from the current Windows di=
sk partition</FONT></DIV>
<DIV><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>I assume that Windows should manage this successfully=
, since it will see all the same hardware as when it is booted as a physi=
cal machine, except that the NIC has been removed?&nbsp;And I'll obviousl=
y have to create a custom Xen Live CD with the appropriate VT-d settings =
for the hardware in question.</FONT></DIV>
<DIV><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>Would be grateful for any pointers on whether / how t=
his is possible. From my reading around the topic, it looks like the only=
 bit that's really non-standard is that the physical boot device is to be=
 VT-d into the Windows HVM, rather than booting from a virtual storage de=
vice.</FONT></DIV>
<DIV><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>By the way, the reason for doing this is in order to =
subsequently connect the Windows HVM to a virtualised NIC and to be able =
to modify the networking behaviour using networking code within Dom0. How=
ever, I also need to be able to boot the Windows machine natively (ie wit=
h direct access to the physical NIC) in some circumstances.</FONT></DIV>
<DIV><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>Thanks,</FONT></DIV>
<DIV><FONT size=3D2>Henry</FONT></DIV></TD></TR></TBODY></TABLE></html>

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My first ever posting to this list: I hope the content is appropriate.

I have a VT-x and VT-d capable machine which is currently set up as a reg=
ular Windows 7 machine and want to do the following with it:

1) Boot into Xen from CD

2) VT-d all of the system hardware except for the NIC into a Windows HVM.=
 Notably, this will include VT-d-ing the hard disk (which includes the bo=
otable Windows partition) into the Windows HVM

3) Launch the Windows HVM from the current Windows disk partition

I assume that Windows should manage this successfully, since it will see =
all the same hardware as when it is booted as a physical machine, except =
that the NIC has been removed? And I'll obviously have to create a custom=
 Xen Live CD with the appropriate VT-d settings for the hardware in quest=
ion.

Would be grateful for any pointers on whether / how this is possible. Fro=
m my reading around the topic, it looks like the only bit that's really n=
on-standard is that the physical boot device is to be VT-d into the Windo=
ws HVM, rather than booting from a virtual storage device.

By the way, the reason for doing this is in order to subsequently connect=
 the Windows HVM to a virtualised NIC and to be able to modify the networ=
king behaviour using networking code within Dom0. However, I also need to=
 be able to boot the Windows machine natively (ie with direct access to t=
he physical NIC) in some circumstances.

Thanks,
Henry


----=_vm_0011_W5336332113_14445_1322653663
Content-Type: text/html; charset="utf-8"
Content-Transfer-Encoding: quoted-printable

<html><TABLE id=3D201179 border=3D0 width=3D"100%" bgColor=3D#ffffff heig=
ht=3D400>
<TBODY>
<TR>
<TD vAlign=3Dtop width=3D"100%">
<DIV><FONT size=3D2 face=3DVerdana>My first ever posting to this list: I =
hope the content is appropriate.</FONT></DIV>
<DIV><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>I have a VT-x and VT-d capable machine which is curre=
ntly set up as a regular Windows 7 machine and want to do the following w=
ith it:</FONT></DIV>
<DIV><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>1) Boot into Xen from CD</FONT></DIV>
<DIV><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>2) VT-d all of the system hardware except for the NIC=
 into a Windows HVM. Notably, this will include VT-d-ing the hard disk (w=
hich includes the bootable Windows partition) into the Windows HVM</FONT>=
</DIV>
<DIV><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>3) Launch the Windows HVM from the current Windows di=
sk partition</FONT></DIV>
<DIV><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>I assume that Windows should manage this successfully=
, since it will see all the same hardware as when it is booted as a physi=
cal machine, except that the NIC has been removed?&nbsp;And I'll obviousl=
y have to create a custom Xen Live CD with the appropriate VT-d settings =
for the hardware in question.</FONT></DIV>
<DIV><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>Would be grateful for any pointers on whether / how t=
his is possible. From my reading around the topic, it looks like the only=
 bit that's really non-standard is that the physical boot device is to be=
 VT-d into the Windows HVM, rather than booting from a virtual storage de=
vice.</FONT></DIV>
<DIV><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>By the way, the reason for doing this is in order to =
subsequently connect the Windows HVM to a virtualised NIC and to be able =
to modify the networking behaviour using networking code within Dom0. How=
ever, I also need to be able to boot the Windows machine natively (ie wit=
h direct access to the physical NIC) in some circumstances.</FONT></DIV>
<DIV><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>Thanks,</FONT></DIV>
<DIV><FONT size=3D2>Henry</FONT></DIV></TD></TR></TBODY></TABLE></html>

----=_vm_0011_W5336332113_14445_1322653663--




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--===============7554915599299877483==--




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From: Artur Baruchi <mail.baruchi@gmail.com>
To: xen-users <Xen-users@lists.xensource.com>, Xen-devel@lists.xensource.com
X-Mailman-Approved-At: Thu, 01 Dec 2011 10:37:24 +0000
Subject: Re: [Xen-users] VM Hanging after reboot
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I just configured the serial console to see what is going on during
the boot. I tried to run fsck and changed the grub to use the device
path (/dev/sdaX) instead udisks-part-id, but no success.

Follow the console errors:

Loading drivers, configuring devices: [   69.701448] ata1.00:
exception Emask 0x0 SAct 0x0 SErr 0x0 act
 ion 0x6 frozen
[   69.705706] ata1.00: failed command: READ DMA
[   69.708402] ata1.00: cmd c8/00:20:b8:7a:66/00:00:00:00:00/e0 tag 0
dma 16384 in
[   69.708403]          res 40/00:01:00:00:00/00:00:00:00:00/a0 Emask
0x4 (timeout)
[   69.717358] ata1.00: status: { DRDY }
[   69.872400] ata1.00: revalidation failed (errno=3D-2)
[   75.023385] ata1.00: revalidation failed (errno=3D-2)
[   80.174383] ata1.00: revalidation failed (errno=3D-2)
[   80.329687] end_request: I/O error, dev sda, sector 6716088
[   80.333096] end_request: I/O error, dev sda, sector 6716088
[   80.336676] end_request: I/O error, dev sda, sector 6716088
[   80.340408] end_request: I/O error, dev sda, sector 6145504
[   80.344063] end_request: I/O error, dev sda, sector 6145504
[   80.347465] end_request: I/O error, dev sda, sector 6145504
[   80.351795] end_request: I/O error, dev sda, sector 6145504
[   80.356081] end_request: I/O error, dev sda, sector 6145504
[   80.359587] end_request: I/O error, dev sda, sector 6145504
[   80.363115] end_request: I/O error, dev sda, sector 6145504
[   80.366535] end_request: I/O error, dev sda, sector 6145504
[   80.370034] end_request: I/O error, dev sda, sector 6145504
[   80.373924] end_request: I/O error, dev sda, sector 9979920
[   80.377458] Buffer I/O error on device sda3, logical block 721410
[   80.389108] end_request: I/O error, dev sda, sector 4970504
[   80.392576] end_request: I/O error, dev sda, sector 4970504
[   80.396208] end_request: I/O error, dev sda, sector 11290592
[   80.399747] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
to read inode block - inode=3D2231                               26,
block=3D885244
[   80.406333] end_request: I/O error, dev sda, sector 4208640
[   80.409650] Buffer I/O error on device sda3, logical block 0
udevd-work[1631]: exec of program '/lib/udev/ata_id' failed

[   80.416228] end_request: I/O error, dev sda, sector 6796224
[   80.419759] end_request: I/O error, dev sda, sector 6796288
[   80.423135] end_request: I/O error, dev sda, sector 6796288
[   80.425117] end_request: I/O error, dev sda, sector 6796288
[   80.427447] end_request: I/O error, dev sda, sector 6796288
[   80.429840] end_request: I/O error, dev sda, sector 6796288
[   80.432094] end_request: I/O error, dev sda, sector 6796288
[   80.434425] end_request: I/O error, dev sda, sector 6796288
[   80.436746] end_request: I/O error, dev sda, sector 6796288
[   80.439043] end_request: I/O error, dev sda, sector 6796288
[   80.441358] end_request: I/O error, dev sda, sector 6796288
[   80.443626] end_request: I/O error, dev sda, sector 6796288
[   80.445864] end_request: I/O error, dev sda, sector 6796288
[   80.448051] end_request: I/O error, dev sda, sector 6796288
[   80.450271] end_request: I/O error, dev sda, sector 6796288
[   80.452482] end_request: I/O error, dev sda, sector 6796288
[   80.454745] end_request: I/O error, dev sda, sector 6796288
[   80.457029] end_request: I/O error, dev sda, sector 6796288
[   80.459299] end_request: I/O error, dev sda, sector 6796288
[   80.461604] end_request: I/O error, dev sda, sector 6796288
[   80.463843] end_request: I/O error, dev sda, sector 6796288
[   80.466045] end_request: I/O error, dev sda, sector 6796288
[   80.468274] end_request: I/O error, dev sda, sector 6796288
[   80.470510] end_request: I/O error, dev sda, sector 6796288
[   80.472725] end_request: I/O error, dev sda, sector 6796288
[   80.474902] end_request: I/O error, dev sda, sector 6796288
[   80.477103] end_request: I/O error, dev sda, sector 6796288
[   80.479278] end_request: I/O error, dev sda, sector 6796288
[   80.481514] end_request: I/O error, dev sda, sector 6796288
[   80.483647] end_request: I/O error, dev sda, sector 6796288
[   80.485780] end_request: I/O error, dev sda, sector 6796288
[   80.487838] end_request: I/O error, dev sda, sector 6796288
[   80.489897] end_request: I/O error, dev sda, sector 6796224
[   80.491920] end_request: I/O error, dev sda, sector 6796224
[   80.494294] end_request: I/O error, dev sda, sector 4971928
[   80.496445] end_request: I/O error, dev sda, sector 4971928
[   80.498650] end_request: I/O error, dev sda, sector 11290592
[   80.500834] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
to read inode block - inode=3D2231                               26,
block=3D885244
[   80.504930] end_request: I/O error, dev sda, sector 4208640
[   80.507019] Buffer I/O error on device sda3, logical block 0
udevd-work[1632]: exec of program '/lib/udev/scsi_id' failed

[   80.511028] end_request: I/O error, dev sda, sector 12352272
[   80.513236] Buffer I/O error on device sda3, logical block 1017954
[   80.515677] end_request: I/O error, dev sda, sector 12360888
[   80.518021] Buffer I/O error on device sda3, logical block 1019031
[   80.520527] Buffer I/O error on device sda3, logical block 1019032
[   80.523072] end_request: I/O error, dev sda, sector 9980016
[   80.525394] journal_bmap: journal block not found at offset 12 on sda3
[   80.527956] Aborting journal on device sda3.
[   80.529854] end_request: I/O error, dev sda, sector 9979920
[   80.532119] Buffer I/O error on device sda3, logical block 721410
[   80.534799] end_request: I/O error, dev sda, sector 9979928
[   80.537239] end_request: I/O error, dev sda, sector 9979936
[   80.539639] end_request: I/O error, dev sda, sector 9370632
[   80.542144] end_request: I/O error, dev sda, sector 9370632
[   80.544499] EXT3-fs (sda3): error: ext3_journal_start_sb: Detected
aborted journal
[   80.547659] EXT3-fs (sda3): error: remounting filesystem read-only
[   80.550535] end_request: I/O error, dev sda, sector 11290592
[   80.552989] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
to read inode block - inode=3D2231                               26,
block=3D885244
udevd-work[1634]: exec of program '/sbin/blkid' failed

[   80.559337] end_request: I/O error, dev sda, sector 4972560
[   80.561964] end_request: I/O error, dev sda, sector 4972560
[   80.564546] end_request: I/O error, dev sda, sector 11290592
[   80.567069] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
to read inode block - inode=3D2231                               26,
block=3D885244
udevd-work[1635]: exec of program '/lib/udev/edd_id' failed

[   80.576377] end_request: I/O error, dev sda, sector 4952712
[   80.580086] end_request: I/O error, dev sda, sector 4952712
[   80.583689] end_request: I/O error, dev sda, sector 11290592
[   80.586292] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
to read inode block - inode=3D2231                               26,
block=3D885244
udevd-work[1636]: exec of program '/lib/udev/udisks-part-id' failed

[   80.593995] end_request: I/O error, dev sda, sector 9370632
[   80.596704] end_request: I/O error, dev sda, sector 9370632
[   80.596755] end_request: I/O error, dev sda, sector 11290592
[   80.596760] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
to read inode block - inode=3D2231                               26,
block=3D885244
udevd-work[1637][   80.608632] end_request: I/O error, dev sda, sector 1129=
0592
: exec of program '/sbin/blkid' failed[   80.612951] EXT3-fs error
(device sda3): ext3_get_inode_loc: u
nable to read inode block - inode=3D223126, block=3D885244


[   80.621449] end_request: I/O error, dev sda, sector 9370632
[   80.624665] end_request: I/O error, dev sda, sector 11290592
[   80.627305] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
to read inode block - inode=3D2231                               26,
block=3D885244
udevd-work[1638]: exec of program '/sbin/blkid' failed

udevd-work[1639]: exec of program '/sbin/blkid' failed

[   80.635017] end_request: I/O error, dev sda, sector 4952712
[   80.637899] end_request: I/O error, dev sda, sector 4952712
[   80.637956] end_request: I/O error, dev sda, sector 11290592
[   80.637962] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
to read inode block - inode=3D2231                               26,
block=3D885244
[   80.649954] end_request: I/O error, dev sda, sector 4952712
udevd-work[1640]: exec of program '/lib/udev/udi[   80.649974]
end_request: I/O error, dev sda, sector
11290592
sks-part-id' failed
[   80.649981] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
to read inode block - inode=3D2231                               26,
block=3D885244

udevd-work[1641][   80.664921] end_request: I/O error, dev sda, sector 1129=
0592
: exec of program '/lib/udev/udisks-part-id' fai[   80.669088] EXT3-fs
error (device sda3): ext3_get_in
ode_loc: ledunable to read inode block - inode=3D223126, block=3D885244


udevd-work[1642]: exec of program '/lib/udev/udisks-part-id' failed

                                                                      done
[   80.688649] end_request: I/O error, dev sda, sector 11516760
[   80.693402] end_request: I/O error, dev sda, sector 11517320
[   80.698410] end_request: I/O error, dev sda, sector 11516760
boot.loadmodules: Input/output error
[   80.705752] end_request: I/O error, dev sda, sector 11517320
boot.rootfsck: Input/output error
[   80.712719] end_request: I/O error, dev sda, sector 11516496
[   80.717814] end_request: I/O error, dev sda, sector 11516704
[   80.730101] end_request: I/O error, dev sda, sector 11516496
boot.clock: Input/output error
[   80.736217] end_request: I/O error, dev sda, sector 11516768
[   80.741296] end_request: I/O error, dev sda, sector 11352104
[   80.745949] end_request: I/O error, dev sda, sector 11352104
boot.device-mapper: Input/output error
[   80.753208] end_request: I/O error, dev sda, sector 11516768
boot.localfs: Input/output error
[   80.760052] end_request: I/O error, dev sda, sector 11516488
[   80.764909] end_request: I/O error, dev sda, sector 11499608
[   80.769502] end_request: I/O error, dev sda, sector 11303224
[   80.775085] end_request: I/O error, dev sda, sector 11516744
[   80.779703] end_request: I/O error, dev sda, sector 11517168
[   80.784166] end_request: I/O error, dev sda, sector 11517360
[   80.788596] end_request: I/O error, dev sda, sector 11518640
[   80.793861] end_request: I/O error, dev sda, sector 11518640
[   80.798273] end_request: I/O error, dev sda, sector 11517360
[   80.803364] end_request: I/O error, dev sda, sector 11517176
boot.swap: Input/output error
[   80.809435] end_request: I/O error, dev sda, sector 11517168
boot.proc: Input/output error
[   80.815339] end_request: I/O error, dev sda, sector 11516488
boot.localnet: Input/output error[   80.820846] end_request: I/O
error, dev sda, sector 11516744
[   80.825458] end_request: I/O error, dev sda, sector 11499608
[   80.829771] end_request: I/O error, dev sda, sector 11303224
[   80.834086] end_request: I/O error, dev sda, sector 11516752

boot.cleanup: In[   80.838667] end_request: I/O error, dev sda, sector 1151=
8160
put/output error[   80.843568] end_request: I/O error, dev sda, sector 1151=
6752

[   80.847792] end_request: I/O error, dev sda, sector 11518160
boot.cycle: Input/output error[   80.853141] end_request: I/O error,
dev sda, sector 11417656

[   80.853840] end_request: I/O error, dev sda, sector 11417656
boot.fuse: Input/output error
boot.klog: Input/output error
boot.sysctl: Input/output error
[   80.865148] end_request: I/O error, dev sda, sector 11516712
[   80.865199] end_request: I/O error, dev sda, sector 11516712
boot.ldconfig: Input/output error
boot.udev_retry: Input/output error
boot.apparmor: Input/output error
boot.ipconfig: Input/output error
System Boot Control: The system has been                              set up
Failed features: boot.loadmodules boot.rootfsck boot.clock
boot.device-mapper boot.localfs boot.cleanup
     boot.cycle boot.fuse boot.klog boot.localnet boot.proc boot.swap
boot.sysctl boot.ldconfig boot.udev_r
etry boot.apparmor boot.ipconfig
System Boot Control: Running /etc/init.d/boot.local
[   80.890020] end_request: I/O error, dev sda, sector 11540760
[   80.892185] end_request: I/O error, dev sda, sector 11540760
/etc/init.d/boot.local: /etc/init.d/boot.local: Input/output error    failed
[   80.897735] end_request: I/O error, dev sda, sector 9369944
[   80.900025] end_request: I/O error, dev sda, sector 9369944
[   80.902265] end_request: I/O error, dev sda, sector 9369944
/etc/init.d/boot: line 314: /sbin/killproc: Input/output error
/etc/init.d/boot: line 326: /var/run/no_blogd: Read-only file system
[   80.909885] end_request: I/O error, dev sda, sector 12335128
[   80.913314] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
to read inode block - inode=3D2539                               69,
block=3D1015811
[   80.920333] end_request: I/O error, dev sda, sector 12335128
[   80.923922] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
to read inode block - inode=3D2539                               69,
block=3D1015811
[   80.931552] end_request: I/O error, dev sda, sector 12335128
[   80.935604] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
to read inode block - inode=3D2539                               69,
block=3D1015811
[   80.944776] end_request: I/O error, dev sda, sector 11290592
[   80.948819] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
to read inode block - inode=3D2231                               26,
block=3D885244
INIT: Entering runlevel: 3
[   80.965451] end_request: I/O error, dev sda, sector 11519720
[   80.969737] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
[   80.980514] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
80.987414] end_request: I/O erro                               r, dev
sda, sector 11519720

[   80.991743] end_request: I/O error, dev sda, sector 11519720
/etc/initscript:[   80.996145] end_request: I/O error, dev sda, sector 1151=
9720
 line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/s[   81.005996] end_request: I/O error,
dev sda, sector 11519720
ysconfig/ulimit: Input/output er[   81.010510] end_request: I/O error,
dev sda, sector 11519720
ror[   81.016077] end_request: I/O error, dev sda, sector 11519720

/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
81.022320] end_request: I/O erro                               r, dev
sda, sector 11519720

/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript:[   81.030711] end_request: I/O error, dev sda, sector 1151=
9720
 line 77: /etc/sysconfig/ulimit:[   81.035523] end_request: I/O error,
dev sda, sector 11519720
 Input/output error
/etc/initscript:[   81.043077] end_request: I/O error, dev sda, sector 1151=
9720
 line 77: /etc/sysconfig/ulimit:[   81.047889] end_request: I/O error,
dev sda, sector 11519720
 Input/output error[   81.052231] end_request: I/O error, dev sda,
sector 11519720

/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/outp[
81.062739] end_request: I/O error, dev s
da, sector 11519720
ut error
[   81.066952] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
[   81.081287] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit:[   81.087077]
end_request: I/O error, dev sda, sector
11519720
 Input/output error
[   81.092828] end_request: I/O error, dev sda, sector 11519720
[   81.097171] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
81.105199] end_request: I/O error,                                dev
sda, sector 11519720
ror
/etc/initscript: line 77: /[   81.109861] end_request: I/O error, dev
sda, sector 11519720
etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input[   81.116079]
end_request: I/O error, dev sda, s                               ector
11519720
/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/uli[   81.123656]
end_request: I/O error, dev sda, sector 1151
    9720
mit: Input/output error
[   81.131077] end_request: I/O error, dev sda, sector 11519720
/etc/initscript:[   81.135256] end_request: I/O error, dev sda, sector 1151=
9720
 line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
[   81.145043] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
81.151102] end_request: I/O erro                               r, dev
sda, sector 11519720

/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript:[   81.158246] end_request: I/O error, dev sda, sector 1151=
9720
 line 77: /etc/sysconfig/ulimit: Input/output error[   81.163908]
end_request: I/O error, dev sda, sect                               or
11519720

/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript:[   81.170077] end_request: I/O error, dev sda, sector 1151=
9720
 line 77: /etc/sysconfig/ulimit: Input/output error
[   81.175614] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
81.181692] end_request: I/O erro                               r, dev
sda, sector 11519720

/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
[   81.188834] end_request: I/O error, dev sda, sector 11519720
[   81.193074] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ul[   81.202959] end_request:
I/O error, dev sda, sector 11519                               720
imit: Input/output error
[   81.209078] end_request: I/O error, dev sda, sector 11519720
[   81.215046] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit:[   81.220029]
end_request: I/O error, dev sda, sector
11519720
 Input/output error
/etc/initscript:[   81.224860] end_request: I/O error, dev sda, sector 1151=
9720
 line 77: /etc/sysconfig/ulimit: Input/output error[   81.230950]
end_request: I/O error, dev sda, sect                               or
11519720

/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
[   81.241445] end_request: I/O error, dev sda, sector 11519720
[   81.245133] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
81.253519] end_request: I/O erro                               r, dev
sda, sector 11519720

/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
81.259342] end_request: I/O error,                                dev
sda, sector 11519720
ror
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/outp[
81.265077] end_request: I/O error, dev s
da, sector 11519720
ut error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sy[   81.271786] end_request: I/O
error, dev sda, sector 11519720
sconfig/ulimit: Input/output error
[   81.277066] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
[   81.284078] end_request: I/O error, dev sda, sector 11519720
[   81.287740] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit:[   81.292708]
end_request: I/O error, dev sda, sector
11519720
 Input/output error[   81.298719] end_request: I/O error, dev sda,
sector 11519720

/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript:[   81.304841] end_request: I/O error, dev sda, sector 1151=
9720
 line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
[   81.313187] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
[   81.324518] end_request: I/O error, dev sda, sector 11519720
[   81.329435] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
81.334830] end_request: I/O error,                                dev
sda, sector 11519720
ror
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line [   81.341698] end_request: I/O error, dev sda,
sector 11519720
77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
INIT: Id "6[   81.349010] end_request: I/O error, dev sda, sector 11519720
" respawning too fast: disabled for 5 minutes
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
81.355880] end_request: I/O error,                                dev
sda, sector 11519720
ror
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
[   81.363875] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
81.369261] end_request: I/O error,                                dev
sda, sector 11519720
ror
INIT: Id "co" respawning too fast: disabled for 5 minutes
/etc/initscript: line 77: /etc[   81.376228] end_request: I/O error,
dev sda, sector 11519720
/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
INI[   81.383188] end_request: I/O error, dev sda, sector 11519720
T: Id "3" respawning too fast: disabled for 5 minutes
/etc/initscript: line 77[   81.389244] end_request: I/O error, dev
sda, sector 11519720
: /etc/sysconfig/ulimit: Input/output error
INIT: Id "4" respawning too fast: disabled for 5 minutes
/etc/in[   81.395907] end_request: I/O error, dev sda, sector 11519720
itscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: I[   81.403341]
end_request: I/O error, dev sda, secto                               r
11519720
nput/output error
INIT: Id "5" respawning too fast: disabled for 5 minutes
/etc/initscript: [   81.410018] end_request: I/O error, dev sda, sector 115=
19720
line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
INIT: Id "1" respawning too fast: disabled for 5 minutes
[   81.420725] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
[   81.430746] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
[   81.440664] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
INIT: Id "2" respawning too fast: disabled for 5 minutes
INIT: no more processes left in this runlevel




On Wed, Nov 30, 2011 at 11:48 AM, Artur Baruchi <mail.baruchi@gmail.com> wr=
ote:
> Hi.
>
> Im installing a VM to run a benchmark, Im able to install the VM issue
> the first boot (to setup network configurations), but if I reboot the
> VM it just hangs and do not boot. I've re-installed the machine but no
> success. Follow some details:
>
> - Dom0: Opensuse 11.3 (x86_64), kernel 2.6.34-12-xen,
> xen-4.0.0_21091_05-6.6.x86_64
> - DomU: Full Virtualization, Opensuse 11.3 (x86_64), kernel 2.6.34-12-des=
ktop
>
> Some errors in message file (not sure that this errors mean something
> for this problem):
> Nov 27 23:02:17 linuxtemp01 kernel: [ 5681.075141] ata1: link is slow
> to respond, please be patient (ready=3D0)
> Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.073141] ata1: device not
> ready (errno=3D-16), forcing hardreset
> Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.073236] ata1: soft resetting l=
ink
> Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.228817] ata1.00: configured
> for MWDMA2
> Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230503] ata1.01: configured
> for MWDMA1
> Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230508] ata1.00: device
> reported invalid CHS sector 0
> Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230515] ata1: EH complete
> Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701259] ata1.01: exception
> Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
> Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701262] ata1.01: failed
> command: WRITE DMA EXT
> Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701265] ata1.01: cmd
> 35/00:98:ef:c0:24/00:02:02:00:00/f0 tag 0 dma 339968 out
> Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701266] =A0 =A0 =A0 =A0 =A0res
> 40/00:01:00:00:00/00:00:00:00:00/b0 Emask 0x4 (timeout)
> Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701268] ata1.01: status: { DRD=
Y }
> Nov 27 23:08:29 linuxtemp01 kernel: [ 6052.750078] ata1: link is slow
> to respond, please be patient (ready=3D0)
> Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.748079] ata1: device not
> ready (errno=3D-16), forcing hardreset
> Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.748134] ata1: soft resetting l=
ink
> Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.902320] ata1.00: configured
> for MWDMA2
> Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903499] ata1.01: configured
> for MWDMA1
> Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903503] ata1.01: device
> reported invalid CHS sector 0
> Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903506] ata1: EH complete
>
> My problem is very similar to this one:
> http://web.archiveorange.com/archive/v/wmeLDfqXdkxOOQURv2Ak
>
> But the workaround for this issue is not working for me.
>
> Any help will be welcome.
>
> Thanks in advance.
>
> Att.
> Artur Baruchi

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From: Artur Baruchi <mail.baruchi@gmail.com>
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Subject: Re: [Xen-users] VM Hanging after reboot
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I just configured the serial console to see what is going on during
the boot. I tried to run fsck and changed the grub to use the device
path (/dev/sdaX) instead udisks-part-id, but no success.

Follow the console errors:

Loading drivers, configuring devices: [   69.701448] ata1.00:
exception Emask 0x0 SAct 0x0 SErr 0x0 act
 ion 0x6 frozen
[   69.705706] ata1.00: failed command: READ DMA
[   69.708402] ata1.00: cmd c8/00:20:b8:7a:66/00:00:00:00:00/e0 tag 0
dma 16384 in
[   69.708403]          res 40/00:01:00:00:00/00:00:00:00:00/a0 Emask
0x4 (timeout)
[   69.717358] ata1.00: status: { DRDY }
[   69.872400] ata1.00: revalidation failed (errno=3D-2)
[   75.023385] ata1.00: revalidation failed (errno=3D-2)
[   80.174383] ata1.00: revalidation failed (errno=3D-2)
[   80.329687] end_request: I/O error, dev sda, sector 6716088
[   80.333096] end_request: I/O error, dev sda, sector 6716088
[   80.336676] end_request: I/O error, dev sda, sector 6716088
[   80.340408] end_request: I/O error, dev sda, sector 6145504
[   80.344063] end_request: I/O error, dev sda, sector 6145504
[   80.347465] end_request: I/O error, dev sda, sector 6145504
[   80.351795] end_request: I/O error, dev sda, sector 6145504
[   80.356081] end_request: I/O error, dev sda, sector 6145504
[   80.359587] end_request: I/O error, dev sda, sector 6145504
[   80.363115] end_request: I/O error, dev sda, sector 6145504
[   80.366535] end_request: I/O error, dev sda, sector 6145504
[   80.370034] end_request: I/O error, dev sda, sector 6145504
[   80.373924] end_request: I/O error, dev sda, sector 9979920
[   80.377458] Buffer I/O error on device sda3, logical block 721410
[   80.389108] end_request: I/O error, dev sda, sector 4970504
[   80.392576] end_request: I/O error, dev sda, sector 4970504
[   80.396208] end_request: I/O error, dev sda, sector 11290592
[   80.399747] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
to read inode block - inode=3D2231                               26,
block=3D885244
[   80.406333] end_request: I/O error, dev sda, sector 4208640
[   80.409650] Buffer I/O error on device sda3, logical block 0
udevd-work[1631]: exec of program '/lib/udev/ata_id' failed

[   80.416228] end_request: I/O error, dev sda, sector 6796224
[   80.419759] end_request: I/O error, dev sda, sector 6796288
[   80.423135] end_request: I/O error, dev sda, sector 6796288
[   80.425117] end_request: I/O error, dev sda, sector 6796288
[   80.427447] end_request: I/O error, dev sda, sector 6796288
[   80.429840] end_request: I/O error, dev sda, sector 6796288
[   80.432094] end_request: I/O error, dev sda, sector 6796288
[   80.434425] end_request: I/O error, dev sda, sector 6796288
[   80.436746] end_request: I/O error, dev sda, sector 6796288
[   80.439043] end_request: I/O error, dev sda, sector 6796288
[   80.441358] end_request: I/O error, dev sda, sector 6796288
[   80.443626] end_request: I/O error, dev sda, sector 6796288
[   80.445864] end_request: I/O error, dev sda, sector 6796288
[   80.448051] end_request: I/O error, dev sda, sector 6796288
[   80.450271] end_request: I/O error, dev sda, sector 6796288
[   80.452482] end_request: I/O error, dev sda, sector 6796288
[   80.454745] end_request: I/O error, dev sda, sector 6796288
[   80.457029] end_request: I/O error, dev sda, sector 6796288
[   80.459299] end_request: I/O error, dev sda, sector 6796288
[   80.461604] end_request: I/O error, dev sda, sector 6796288
[   80.463843] end_request: I/O error, dev sda, sector 6796288
[   80.466045] end_request: I/O error, dev sda, sector 6796288
[   80.468274] end_request: I/O error, dev sda, sector 6796288
[   80.470510] end_request: I/O error, dev sda, sector 6796288
[   80.472725] end_request: I/O error, dev sda, sector 6796288
[   80.474902] end_request: I/O error, dev sda, sector 6796288
[   80.477103] end_request: I/O error, dev sda, sector 6796288
[   80.479278] end_request: I/O error, dev sda, sector 6796288
[   80.481514] end_request: I/O error, dev sda, sector 6796288
[   80.483647] end_request: I/O error, dev sda, sector 6796288
[   80.485780] end_request: I/O error, dev sda, sector 6796288
[   80.487838] end_request: I/O error, dev sda, sector 6796288
[   80.489897] end_request: I/O error, dev sda, sector 6796224
[   80.491920] end_request: I/O error, dev sda, sector 6796224
[   80.494294] end_request: I/O error, dev sda, sector 4971928
[   80.496445] end_request: I/O error, dev sda, sector 4971928
[   80.498650] end_request: I/O error, dev sda, sector 11290592
[   80.500834] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
to read inode block - inode=3D2231                               26,
block=3D885244
[   80.504930] end_request: I/O error, dev sda, sector 4208640
[   80.507019] Buffer I/O error on device sda3, logical block 0
udevd-work[1632]: exec of program '/lib/udev/scsi_id' failed

[   80.511028] end_request: I/O error, dev sda, sector 12352272
[   80.513236] Buffer I/O error on device sda3, logical block 1017954
[   80.515677] end_request: I/O error, dev sda, sector 12360888
[   80.518021] Buffer I/O error on device sda3, logical block 1019031
[   80.520527] Buffer I/O error on device sda3, logical block 1019032
[   80.523072] end_request: I/O error, dev sda, sector 9980016
[   80.525394] journal_bmap: journal block not found at offset 12 on sda3
[   80.527956] Aborting journal on device sda3.
[   80.529854] end_request: I/O error, dev sda, sector 9979920
[   80.532119] Buffer I/O error on device sda3, logical block 721410
[   80.534799] end_request: I/O error, dev sda, sector 9979928
[   80.537239] end_request: I/O error, dev sda, sector 9979936
[   80.539639] end_request: I/O error, dev sda, sector 9370632
[   80.542144] end_request: I/O error, dev sda, sector 9370632
[   80.544499] EXT3-fs (sda3): error: ext3_journal_start_sb: Detected
aborted journal
[   80.547659] EXT3-fs (sda3): error: remounting filesystem read-only
[   80.550535] end_request: I/O error, dev sda, sector 11290592
[   80.552989] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
to read inode block - inode=3D2231                               26,
block=3D885244
udevd-work[1634]: exec of program '/sbin/blkid' failed

[   80.559337] end_request: I/O error, dev sda, sector 4972560
[   80.561964] end_request: I/O error, dev sda, sector 4972560
[   80.564546] end_request: I/O error, dev sda, sector 11290592
[   80.567069] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
to read inode block - inode=3D2231                               26,
block=3D885244
udevd-work[1635]: exec of program '/lib/udev/edd_id' failed

[   80.576377] end_request: I/O error, dev sda, sector 4952712
[   80.580086] end_request: I/O error, dev sda, sector 4952712
[   80.583689] end_request: I/O error, dev sda, sector 11290592
[   80.586292] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
to read inode block - inode=3D2231                               26,
block=3D885244
udevd-work[1636]: exec of program '/lib/udev/udisks-part-id' failed

[   80.593995] end_request: I/O error, dev sda, sector 9370632
[   80.596704] end_request: I/O error, dev sda, sector 9370632
[   80.596755] end_request: I/O error, dev sda, sector 11290592
[   80.596760] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
to read inode block - inode=3D2231                               26,
block=3D885244
udevd-work[1637][   80.608632] end_request: I/O error, dev sda, sector 1129=
0592
: exec of program '/sbin/blkid' failed[   80.612951] EXT3-fs error
(device sda3): ext3_get_inode_loc: u
nable to read inode block - inode=3D223126, block=3D885244


[   80.621449] end_request: I/O error, dev sda, sector 9370632
[   80.624665] end_request: I/O error, dev sda, sector 11290592
[   80.627305] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
to read inode block - inode=3D2231                               26,
block=3D885244
udevd-work[1638]: exec of program '/sbin/blkid' failed

udevd-work[1639]: exec of program '/sbin/blkid' failed

[   80.635017] end_request: I/O error, dev sda, sector 4952712
[   80.637899] end_request: I/O error, dev sda, sector 4952712
[   80.637956] end_request: I/O error, dev sda, sector 11290592
[   80.637962] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
to read inode block - inode=3D2231                               26,
block=3D885244
[   80.649954] end_request: I/O error, dev sda, sector 4952712
udevd-work[1640]: exec of program '/lib/udev/udi[   80.649974]
end_request: I/O error, dev sda, sector
11290592
sks-part-id' failed
[   80.649981] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
to read inode block - inode=3D2231                               26,
block=3D885244

udevd-work[1641][   80.664921] end_request: I/O error, dev sda, sector 1129=
0592
: exec of program '/lib/udev/udisks-part-id' fai[   80.669088] EXT3-fs
error (device sda3): ext3_get_in
ode_loc: ledunable to read inode block - inode=3D223126, block=3D885244


udevd-work[1642]: exec of program '/lib/udev/udisks-part-id' failed

                                                                      done
[   80.688649] end_request: I/O error, dev sda, sector 11516760
[   80.693402] end_request: I/O error, dev sda, sector 11517320
[   80.698410] end_request: I/O error, dev sda, sector 11516760
boot.loadmodules: Input/output error
[   80.705752] end_request: I/O error, dev sda, sector 11517320
boot.rootfsck: Input/output error
[   80.712719] end_request: I/O error, dev sda, sector 11516496
[   80.717814] end_request: I/O error, dev sda, sector 11516704
[   80.730101] end_request: I/O error, dev sda, sector 11516496
boot.clock: Input/output error
[   80.736217] end_request: I/O error, dev sda, sector 11516768
[   80.741296] end_request: I/O error, dev sda, sector 11352104
[   80.745949] end_request: I/O error, dev sda, sector 11352104
boot.device-mapper: Input/output error
[   80.753208] end_request: I/O error, dev sda, sector 11516768
boot.localfs: Input/output error
[   80.760052] end_request: I/O error, dev sda, sector 11516488
[   80.764909] end_request: I/O error, dev sda, sector 11499608
[   80.769502] end_request: I/O error, dev sda, sector 11303224
[   80.775085] end_request: I/O error, dev sda, sector 11516744
[   80.779703] end_request: I/O error, dev sda, sector 11517168
[   80.784166] end_request: I/O error, dev sda, sector 11517360
[   80.788596] end_request: I/O error, dev sda, sector 11518640
[   80.793861] end_request: I/O error, dev sda, sector 11518640
[   80.798273] end_request: I/O error, dev sda, sector 11517360
[   80.803364] end_request: I/O error, dev sda, sector 11517176
boot.swap: Input/output error
[   80.809435] end_request: I/O error, dev sda, sector 11517168
boot.proc: Input/output error
[   80.815339] end_request: I/O error, dev sda, sector 11516488
boot.localnet: Input/output error[   80.820846] end_request: I/O
error, dev sda, sector 11516744
[   80.825458] end_request: I/O error, dev sda, sector 11499608
[   80.829771] end_request: I/O error, dev sda, sector 11303224
[   80.834086] end_request: I/O error, dev sda, sector 11516752

boot.cleanup: In[   80.838667] end_request: I/O error, dev sda, sector 1151=
8160
put/output error[   80.843568] end_request: I/O error, dev sda, sector 1151=
6752

[   80.847792] end_request: I/O error, dev sda, sector 11518160
boot.cycle: Input/output error[   80.853141] end_request: I/O error,
dev sda, sector 11417656

[   80.853840] end_request: I/O error, dev sda, sector 11417656
boot.fuse: Input/output error
boot.klog: Input/output error
boot.sysctl: Input/output error
[   80.865148] end_request: I/O error, dev sda, sector 11516712
[   80.865199] end_request: I/O error, dev sda, sector 11516712
boot.ldconfig: Input/output error
boot.udev_retry: Input/output error
boot.apparmor: Input/output error
boot.ipconfig: Input/output error
System Boot Control: The system has been                              set up
Failed features: boot.loadmodules boot.rootfsck boot.clock
boot.device-mapper boot.localfs boot.cleanup
     boot.cycle boot.fuse boot.klog boot.localnet boot.proc boot.swap
boot.sysctl boot.ldconfig boot.udev_r
etry boot.apparmor boot.ipconfig
System Boot Control: Running /etc/init.d/boot.local
[   80.890020] end_request: I/O error, dev sda, sector 11540760
[   80.892185] end_request: I/O error, dev sda, sector 11540760
/etc/init.d/boot.local: /etc/init.d/boot.local: Input/output error    failed
[   80.897735] end_request: I/O error, dev sda, sector 9369944
[   80.900025] end_request: I/O error, dev sda, sector 9369944
[   80.902265] end_request: I/O error, dev sda, sector 9369944
/etc/init.d/boot: line 314: /sbin/killproc: Input/output error
/etc/init.d/boot: line 326: /var/run/no_blogd: Read-only file system
[   80.909885] end_request: I/O error, dev sda, sector 12335128
[   80.913314] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
to read inode block - inode=3D2539                               69,
block=3D1015811
[   80.920333] end_request: I/O error, dev sda, sector 12335128
[   80.923922] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
to read inode block - inode=3D2539                               69,
block=3D1015811
[   80.931552] end_request: I/O error, dev sda, sector 12335128
[   80.935604] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
to read inode block - inode=3D2539                               69,
block=3D1015811
[   80.944776] end_request: I/O error, dev sda, sector 11290592
[   80.948819] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
to read inode block - inode=3D2231                               26,
block=3D885244
INIT: Entering runlevel: 3
[   80.965451] end_request: I/O error, dev sda, sector 11519720
[   80.969737] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
[   80.980514] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
80.987414] end_request: I/O erro                               r, dev
sda, sector 11519720

[   80.991743] end_request: I/O error, dev sda, sector 11519720
/etc/initscript:[   80.996145] end_request: I/O error, dev sda, sector 1151=
9720
 line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/s[   81.005996] end_request: I/O error,
dev sda, sector 11519720
ysconfig/ulimit: Input/output er[   81.010510] end_request: I/O error,
dev sda, sector 11519720
ror[   81.016077] end_request: I/O error, dev sda, sector 11519720

/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
81.022320] end_request: I/O erro                               r, dev
sda, sector 11519720

/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript:[   81.030711] end_request: I/O error, dev sda, sector 1151=
9720
 line 77: /etc/sysconfig/ulimit:[   81.035523] end_request: I/O error,
dev sda, sector 11519720
 Input/output error
/etc/initscript:[   81.043077] end_request: I/O error, dev sda, sector 1151=
9720
 line 77: /etc/sysconfig/ulimit:[   81.047889] end_request: I/O error,
dev sda, sector 11519720
 Input/output error[   81.052231] end_request: I/O error, dev sda,
sector 11519720

/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/outp[
81.062739] end_request: I/O error, dev s
da, sector 11519720
ut error
[   81.066952] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
[   81.081287] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit:[   81.087077]
end_request: I/O error, dev sda, sector
11519720
 Input/output error
[   81.092828] end_request: I/O error, dev sda, sector 11519720
[   81.097171] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
81.105199] end_request: I/O error,                                dev
sda, sector 11519720
ror
/etc/initscript: line 77: /[   81.109861] end_request: I/O error, dev
sda, sector 11519720
etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input[   81.116079]
end_request: I/O error, dev sda, s                               ector
11519720
/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/uli[   81.123656]
end_request: I/O error, dev sda, sector 1151
    9720
mit: Input/output error
[   81.131077] end_request: I/O error, dev sda, sector 11519720
/etc/initscript:[   81.135256] end_request: I/O error, dev sda, sector 1151=
9720
 line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
[   81.145043] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
81.151102] end_request: I/O erro                               r, dev
sda, sector 11519720

/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript:[   81.158246] end_request: I/O error, dev sda, sector 1151=
9720
 line 77: /etc/sysconfig/ulimit: Input/output error[   81.163908]
end_request: I/O error, dev sda, sect                               or
11519720

/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript:[   81.170077] end_request: I/O error, dev sda, sector 1151=
9720
 line 77: /etc/sysconfig/ulimit: Input/output error
[   81.175614] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
81.181692] end_request: I/O erro                               r, dev
sda, sector 11519720

/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
[   81.188834] end_request: I/O error, dev sda, sector 11519720
[   81.193074] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ul[   81.202959] end_request:
I/O error, dev sda, sector 11519                               720
imit: Input/output error
[   81.209078] end_request: I/O error, dev sda, sector 11519720
[   81.215046] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit:[   81.220029]
end_request: I/O error, dev sda, sector
11519720
 Input/output error
/etc/initscript:[   81.224860] end_request: I/O error, dev sda, sector 1151=
9720
 line 77: /etc/sysconfig/ulimit: Input/output error[   81.230950]
end_request: I/O error, dev sda, sect                               or
11519720

/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
[   81.241445] end_request: I/O error, dev sda, sector 11519720
[   81.245133] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
81.253519] end_request: I/O erro                               r, dev
sda, sector 11519720

/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
81.259342] end_request: I/O error,                                dev
sda, sector 11519720
ror
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/outp[
81.265077] end_request: I/O error, dev s
da, sector 11519720
ut error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sy[   81.271786] end_request: I/O
error, dev sda, sector 11519720
sconfig/ulimit: Input/output error
[   81.277066] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
[   81.284078] end_request: I/O error, dev sda, sector 11519720
[   81.287740] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit:[   81.292708]
end_request: I/O error, dev sda, sector
11519720
 Input/output error[   81.298719] end_request: I/O error, dev sda,
sector 11519720

/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript:[   81.304841] end_request: I/O error, dev sda, sector 1151=
9720
 line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
[   81.313187] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
[   81.324518] end_request: I/O error, dev sda, sector 11519720
[   81.329435] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
81.334830] end_request: I/O error,                                dev
sda, sector 11519720
ror
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line [   81.341698] end_request: I/O error, dev sda,
sector 11519720
77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
INIT: Id "6[   81.349010] end_request: I/O error, dev sda, sector 11519720
" respawning too fast: disabled for 5 minutes
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
81.355880] end_request: I/O error,                                dev
sda, sector 11519720
ror
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
[   81.363875] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
81.369261] end_request: I/O error,                                dev
sda, sector 11519720
ror
INIT: Id "co" respawning too fast: disabled for 5 minutes
/etc/initscript: line 77: /etc[   81.376228] end_request: I/O error,
dev sda, sector 11519720
/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
INI[   81.383188] end_request: I/O error, dev sda, sector 11519720
T: Id "3" respawning too fast: disabled for 5 minutes
/etc/initscript: line 77[   81.389244] end_request: I/O error, dev
sda, sector 11519720
: /etc/sysconfig/ulimit: Input/output error
INIT: Id "4" respawning too fast: disabled for 5 minutes
/etc/in[   81.395907] end_request: I/O error, dev sda, sector 11519720
itscript: line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: I[   81.403341]
end_request: I/O error, dev sda, secto                               r
11519720
nput/output error
INIT: Id "5" respawning too fast: disabled for 5 minutes
/etc/initscript: [   81.410018] end_request: I/O error, dev sda, sector 115=
19720
line 77: /etc/sysconfig/ulimit: Input/output error
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
INIT: Id "1" respawning too fast: disabled for 5 minutes
[   81.420725] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
[   81.430746] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
[   81.440664] end_request: I/O error, dev sda, sector 11519720
/etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
INIT: Id "2" respawning too fast: disabled for 5 minutes
INIT: no more processes left in this runlevel




On Wed, Nov 30, 2011 at 11:48 AM, Artur Baruchi <mail.baruchi@gmail.com> wr=
ote:
> Hi.
>
> Im installing a VM to run a benchmark, Im able to install the VM issue
> the first boot (to setup network configurations), but if I reboot the
> VM it just hangs and do not boot. I've re-installed the machine but no
> success. Follow some details:
>
> - Dom0: Opensuse 11.3 (x86_64), kernel 2.6.34-12-xen,
> xen-4.0.0_21091_05-6.6.x86_64
> - DomU: Full Virtualization, Opensuse 11.3 (x86_64), kernel 2.6.34-12-des=
ktop
>
> Some errors in message file (not sure that this errors mean something
> for this problem):
> Nov 27 23:02:17 linuxtemp01 kernel: [ 5681.075141] ata1: link is slow
> to respond, please be patient (ready=3D0)
> Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.073141] ata1: device not
> ready (errno=3D-16), forcing hardreset
> Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.073236] ata1: soft resetting l=
ink
> Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.228817] ata1.00: configured
> for MWDMA2
> Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230503] ata1.01: configured
> for MWDMA1
> Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230508] ata1.00: device
> reported invalid CHS sector 0
> Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230515] ata1: EH complete
> Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701259] ata1.01: exception
> Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
> Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701262] ata1.01: failed
> command: WRITE DMA EXT
> Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701265] ata1.01: cmd
> 35/00:98:ef:c0:24/00:02:02:00:00/f0 tag 0 dma 339968 out
> Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701266] =A0 =A0 =A0 =A0 =A0res
> 40/00:01:00:00:00/00:00:00:00:00/b0 Emask 0x4 (timeout)
> Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701268] ata1.01: status: { DRD=
Y }
> Nov 27 23:08:29 linuxtemp01 kernel: [ 6052.750078] ata1: link is slow
> to respond, please be patient (ready=3D0)
> Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.748079] ata1: device not
> ready (errno=3D-16), forcing hardreset
> Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.748134] ata1: soft resetting l=
ink
> Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.902320] ata1.00: configured
> for MWDMA2
> Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903499] ata1.01: configured
> for MWDMA1
> Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903503] ata1.01: device
> reported invalid CHS sector 0
> Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903506] ata1: EH complete
>
> My problem is very similar to this one:
> http://web.archiveorange.com/archive/v/wmeLDfqXdkxOOQURv2Ak
>
> But the workaround for this issue is not working for me.
>
> Any help will be welcome.
>
> Thanks in advance.
>
> Att.
> Artur Baruchi

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Date: Mon, 28 Nov 2011 16:48:44 +0100
Message-ID: <CAAuLSoz3pU1cCy0xJj7h=pCG-mAsYkdZCyfrQWJk+XLAX1uW8A@mail.gmail.com>
From: =?UTF-8?Q?Szalai_Bal=C3=A1zs?= <szalaib@econsys.hu>
To: =?UTF-8?Q?Fran_Rodr=C3=ADguez?= <fran.clasico@gmail.com>
X-Mailman-Approved-At: Thu, 01 Dec 2011 10:37:23 +0000
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] Nic Bonding xen 4-0 squeeze
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Hi!

This is a working configuration on Squeeze:

[/etc/network/interfaces]
auto eth1
iface eth1 inet manual

auto eth2
iface eth2 inet manual

auto bond0
iface bond0 inet manual
slaves eth1 eth2
bond-mode 4
bond-miimon 100
bond-lacp_rate 1
bond-downdelay 200
bond-updelay 200

auto br0
iface br0 inet static
bridge_ports bond0
address 172.16.1.140
netmask 255.255.255.0
gateway 172.16.1.52
bridge_stp on
bridge_fd 0

[domU vif config]
vif         =3D [ 'bridge=3Dbr0,ip=3D172.16.1.141,mac=3D00:16:3E:75:05:90' =
]

[brctl show]
bridge name bridge id STP enabled interfaces
br0 8000.001b219c5eae yes bond0
        vif18.0

2011/11/28 Fran Rodr=C3=ADguez <fran.clasico@gmail.com>

> hi list,
>
> I got a problem with this stuff for a long time, and the problema come
> when we update our servers to the version Squeeze, on Lenny it works
> perfectly. On squeeze machines the bonding works ok until i install the x=
en
> system. I saw many tutorials on internet and i dont know what to do more.
> Anyone could explain what its the normal process to get work this feature=
?
> or tell me where i can read something ? i am very frustrated.
>
> Thanks
> --
> Fran Rodr=C3=ADguez
> escala NetLabel
> http://escalared.com
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>



--=20

=C3=9Cdv=C3=B6zlettel:  Szalai Bal=C3=A1zs

EconSys Sz=C3=A1mviteli =C3=A9s Informatikai Kft.
Sz=C3=A9khely: Budapest, Als=C3=B3erd=C5=91sor utca 5.
Tel: +36 20 229-6669

--0016e64135e807a9db04b2cd70b8
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div>Hi!</div><div><br></div><div>This is a working configuration on Squeez=
e:</div><div><br></div><div>[/etc/network/interfaces]</div><div>auto eth1</=
div><div>iface eth1 inet manual</div><div><br></div><div>auto eth2</div>
<div>iface eth2 inet manual</div><div><br></div><div>auto bond0</div><div>i=
face bond0 inet manual</div><div><span class=3D"Apple-tab-span" style=3D"wh=
ite-space:pre">	</span>slaves eth1 eth2</div><div><span class=3D"Apple-tab-=
span" style=3D"white-space:pre">	</span>bond-mode 4</div>
<div><span class=3D"Apple-tab-span" style=3D"white-space:pre">	</span>bond-=
miimon 100</div><div><span class=3D"Apple-tab-span" style=3D"white-space:pr=
e">	</span>bond-lacp_rate 1</div><div><span class=3D"Apple-tab-span" style=
=3D"white-space:pre">	</span>bond-downdelay 200</div>
<div><span class=3D"Apple-tab-span" style=3D"white-space:pre">	</span>bond-=
updelay 200</div><div><br></div><div>auto br0</div><div>iface br0 inet stat=
ic</div><div><span class=3D"Apple-tab-span" style=3D"white-space:pre">	</sp=
an>bridge_ports bond0</div>
<div><span class=3D"Apple-tab-span" style=3D"white-space:pre">	</span>addre=
ss 172.16.1.140</div><div><span class=3D"Apple-tab-span" style=3D"white-spa=
ce:pre">	</span>netmask 255.255.255.0</div><div><span class=3D"Apple-tab-sp=
an" style=3D"white-space:pre">	</span>gateway 172.16.1.52</div>
<div><span class=3D"Apple-tab-span" style=3D"white-space:pre">	</span>bridg=
e_stp on</div><div><span class=3D"Apple-tab-span" style=3D"white-space:pre"=
>	</span>bridge_fd 0</div><div><br></div><div>[domU vif config]</div><div>v=
if =C2=A0 =C2=A0 =C2=A0 =C2=A0 =3D [ &#39;bridge=3Dbr0,ip=3D172.16.1.141,ma=
c=3D00:16:3E:75:05:90&#39; ]</div>
<div><br></div><div>[brctl show]</div><div>bridge name<span class=3D"Apple-=
tab-span" style=3D"white-space:pre">	</span>bridge id<span class=3D"Apple-t=
ab-span" style=3D"white-space:pre">		</span>STP enabled<span class=3D"Apple=
-tab-span" style=3D"white-space:pre">	</span>interfaces</div>
<div>br0<span class=3D"Apple-tab-span" style=3D"white-space:pre">		</span>8=
000.001b219c5eae<span class=3D"Apple-tab-span" style=3D"white-space:pre">	<=
/span>yes<span class=3D"Apple-tab-span" style=3D"white-space:pre">		</span>=
bond0</div>
<div><span class=3D"Apple-tab-span" style=3D"white-space:pre">							</span=
> =C2=A0 =C2=A0 =C2=A0 =C2=A0vif18.0</div><br><div class=3D"gmail_quote">20=
11/11/28 Fran Rodr=C3=ADguez <span dir=3D"ltr">&lt;<a href=3D"mailto:fran.c=
lasico@gmail.com">fran.clasico@gmail.com</a>&gt;</span><br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex;">hi list,=C2=A0<div><br></div><div>I got a p=
roblem with this stuff for a long time, and the problema come when we updat=
e our servers to the version Squeeze, on Lenny it works perfectly. On squee=
ze machines the bonding works ok until i install the xen system. I saw many=
 tutorials on internet and i dont know what to do more. Anyone could explai=
n what its the normal process to get work this feature? or tell me where i =
can read something ? i am very frustrated.=C2=A0</div>

<div><br></div><div>Thanks</div><span class=3D"HOEnZb"><font color=3D"#8888=
88"><div>-- <br>Fran Rodr=C3=ADguez<br>escala NetLabel<br><a href=3D"http:/=
/escalared.com" target=3D"_blank">http://escalared.com</a><br>
</div>
</font></span><br>_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.=
com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br></blockquote></div><br><br clear=3D"all=
"><div><br></div>-- <br><p>=C3=9Cdv=C3=B6zlettel: =C2=A0Szalai Bal=C3=A1zs<=
/p><p>EconSys Sz=C3=A1mviteli =C3=A9s Informatikai Kft.<br>
Sz=C3=A9khely: Budapest, Als=C3=B3erd=C5=91sor utca=C2=A05.=C2=A0<br>Tel: +=
36 20 229-6669</p><br>

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References: <CAC8you0SgV5oLSuftYwKHxKFwRpcT_FbSVLcb7kg3F9kh7QMag@mail.gmail.com>
Date: Mon, 28 Nov 2011 16:48:44 +0100
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From: =?UTF-8?Q?Szalai_Bal=C3=A1zs?= <szalaib@econsys.hu>
To: =?UTF-8?Q?Fran_Rodr=C3=ADguez?= <fran.clasico@gmail.com>
X-Mailman-Approved-At: Thu, 01 Dec 2011 10:37:23 +0000
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Subject: Re: [Xen-users] Nic Bonding xen 4-0 squeeze
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Hi!

This is a working configuration on Squeeze:

[/etc/network/interfaces]
auto eth1
iface eth1 inet manual

auto eth2
iface eth2 inet manual

auto bond0
iface bond0 inet manual
slaves eth1 eth2
bond-mode 4
bond-miimon 100
bond-lacp_rate 1
bond-downdelay 200
bond-updelay 200

auto br0
iface br0 inet static
bridge_ports bond0
address 172.16.1.140
netmask 255.255.255.0
gateway 172.16.1.52
bridge_stp on
bridge_fd 0

[domU vif config]
vif         =3D [ 'bridge=3Dbr0,ip=3D172.16.1.141,mac=3D00:16:3E:75:05:90' =
]

[brctl show]
bridge name bridge id STP enabled interfaces
br0 8000.001b219c5eae yes bond0
        vif18.0

2011/11/28 Fran Rodr=C3=ADguez <fran.clasico@gmail.com>

> hi list,
>
> I got a problem with this stuff for a long time, and the problema come
> when we update our servers to the version Squeeze, on Lenny it works
> perfectly. On squeeze machines the bonding works ok until i install the x=
en
> system. I saw many tutorials on internet and i dont know what to do more.
> Anyone could explain what its the normal process to get work this feature=
?
> or tell me where i can read something ? i am very frustrated.
>
> Thanks
> --
> Fran Rodr=C3=ADguez
> escala NetLabel
> http://escalared.com
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>



--=20

=C3=9Cdv=C3=B6zlettel:  Szalai Bal=C3=A1zs

EconSys Sz=C3=A1mviteli =C3=A9s Informatikai Kft.
Sz=C3=A9khely: Budapest, Als=C3=B3erd=C5=91sor utca 5.
Tel: +36 20 229-6669

--0016e64135e807a9db04b2cd70b8
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div>Hi!</div><div><br></div><div>This is a working configuration on Squeez=
e:</div><div><br></div><div>[/etc/network/interfaces]</div><div>auto eth1</=
div><div>iface eth1 inet manual</div><div><br></div><div>auto eth2</div>
<div>iface eth2 inet manual</div><div><br></div><div>auto bond0</div><div>i=
face bond0 inet manual</div><div><span class=3D"Apple-tab-span" style=3D"wh=
ite-space:pre">	</span>slaves eth1 eth2</div><div><span class=3D"Apple-tab-=
span" style=3D"white-space:pre">	</span>bond-mode 4</div>
<div><span class=3D"Apple-tab-span" style=3D"white-space:pre">	</span>bond-=
miimon 100</div><div><span class=3D"Apple-tab-span" style=3D"white-space:pr=
e">	</span>bond-lacp_rate 1</div><div><span class=3D"Apple-tab-span" style=
=3D"white-space:pre">	</span>bond-downdelay 200</div>
<div><span class=3D"Apple-tab-span" style=3D"white-space:pre">	</span>bond-=
updelay 200</div><div><br></div><div>auto br0</div><div>iface br0 inet stat=
ic</div><div><span class=3D"Apple-tab-span" style=3D"white-space:pre">	</sp=
an>bridge_ports bond0</div>
<div><span class=3D"Apple-tab-span" style=3D"white-space:pre">	</span>addre=
ss 172.16.1.140</div><div><span class=3D"Apple-tab-span" style=3D"white-spa=
ce:pre">	</span>netmask 255.255.255.0</div><div><span class=3D"Apple-tab-sp=
an" style=3D"white-space:pre">	</span>gateway 172.16.1.52</div>
<div><span class=3D"Apple-tab-span" style=3D"white-space:pre">	</span>bridg=
e_stp on</div><div><span class=3D"Apple-tab-span" style=3D"white-space:pre"=
>	</span>bridge_fd 0</div><div><br></div><div>[domU vif config]</div><div>v=
if =C2=A0 =C2=A0 =C2=A0 =C2=A0 =3D [ &#39;bridge=3Dbr0,ip=3D172.16.1.141,ma=
c=3D00:16:3E:75:05:90&#39; ]</div>
<div><br></div><div>[brctl show]</div><div>bridge name<span class=3D"Apple-=
tab-span" style=3D"white-space:pre">	</span>bridge id<span class=3D"Apple-t=
ab-span" style=3D"white-space:pre">		</span>STP enabled<span class=3D"Apple=
-tab-span" style=3D"white-space:pre">	</span>interfaces</div>
<div>br0<span class=3D"Apple-tab-span" style=3D"white-space:pre">		</span>8=
000.001b219c5eae<span class=3D"Apple-tab-span" style=3D"white-space:pre">	<=
/span>yes<span class=3D"Apple-tab-span" style=3D"white-space:pre">		</span>=
bond0</div>
<div><span class=3D"Apple-tab-span" style=3D"white-space:pre">							</span=
> =C2=A0 =C2=A0 =C2=A0 =C2=A0vif18.0</div><br><div class=3D"gmail_quote">20=
11/11/28 Fran Rodr=C3=ADguez <span dir=3D"ltr">&lt;<a href=3D"mailto:fran.c=
lasico@gmail.com">fran.clasico@gmail.com</a>&gt;</span><br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex;">hi list,=C2=A0<div><br></div><div>I got a p=
roblem with this stuff for a long time, and the problema come when we updat=
e our servers to the version Squeeze, on Lenny it works perfectly. On squee=
ze machines the bonding works ok until i install the xen system. I saw many=
 tutorials on internet and i dont know what to do more. Anyone could explai=
n what its the normal process to get work this feature? or tell me where i =
can read something ? i am very frustrated.=C2=A0</div>

<div><br></div><div>Thanks</div><span class=3D"HOEnZb"><font color=3D"#8888=
88"><div>-- <br>Fran Rodr=C3=ADguez<br>escala NetLabel<br><a href=3D"http:/=
/escalared.com" target=3D"_blank">http://escalared.com</a><br>
</div>
</font></span><br>_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.=
com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br></blockquote></div><br><br clear=3D"all=
"><div><br></div>-- <br><p>=C3=9Cdv=C3=B6zlettel: =C2=A0Szalai Bal=C3=A1zs<=
/p><p>EconSys Sz=C3=A1mviteli =C3=A9s Informatikai Kft.<br>
Sz=C3=A9khely: Budapest, Als=C3=B3erd=C5=91sor utca=C2=A05.=C2=A0<br>Tel: +=
36 20 229-6669</p><br>

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Date: Wed, 30 Nov 2011 23:16:01 -0400
From: Konrad Rzeszutek Wilk <konrad@darnok.org>
To: Artur Baruchi <mail.baruchi@gmail.com>
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Subject: Re: [Xen-users] [Xen-devel] VM Hanging after reboot
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On Wed, Nov 30, 2011 at 09:09:58PM -0200, Artur Baruchi wrote:
> Hi Konrad.
> 
> That was my first though (disk going bad). But I create another VM in
> a different host and faced the same error. I tried to create another

So is the error from within the guest or from the dom0?

> file and use a physical device (logical volume) too, but no lucky. Im
> guessing that it can be:
> 
> - There is a bug in this kernel version or in paravirtualized drivers
> used by opensuse 11.3 (based on some google searchs that I made, with
> similar errors); OR
> - Some configuration problem (for example, need to enable acpi in my
> vm kernel, or anything like this).
> 
> Thanks.
> 
> Att.
> Artur Baruchi
> 
> 
> On Wed, Nov 30, 2011 at 8:15 PM, Konrad Rzeszutek Wilk
> <konrad@darnok.org> wrote:
> > On Wed, Nov 30, 2011 at 04:46:55PM -0200, Artur Baruchi wrote:
> >> I just configured the serial console to see what is going on during
> >> the boot. I tried to run fsck and changed the grub to use the device
> >> path (/dev/sdaX) instead udisks-part-id, but no success.
> >>
> >> Follow the console errors:
> >>
> >
> > That looks like your disk is going bad?
> >
> > Was there anything before this? Like the IRQs not setup properly?
> >
> >> Loading drivers, configuring devices: [ ? 69.701448] ata1.00:
> >> exception Emask 0x0 SAct 0x0 SErr 0x0 act
> >> ?ion 0x6 frozen
> >> [ ? 69.705706] ata1.00: failed command: READ DMA
> >> [ ? 69.708402] ata1.00: cmd c8/00:20:b8:7a:66/00:00:00:00:00/e0 tag 0
> >> dma 16384 in
> >> [ ? 69.708403] ? ? ? ? ?res 40/00:01:00:00:00/00:00:00:00:00/a0 Emask
> >> 0x4 (timeout)
> >> [ ? 69.717358] ata1.00: status: { DRDY }
> >> [ ? 69.872400] ata1.00: revalidation failed (errno=-2)
> >> [ ? 75.023385] ata1.00: revalidation failed (errno=-2)
> >> [ ? 80.174383] ata1.00: revalidation failed (errno=-2)
> >> [ ? 80.329687] end_request: I/O error, dev sda, sector 6716088
> >> [ ? 80.333096] end_request: I/O error, dev sda, sector 6716088
> >> [ ? 80.336676] end_request: I/O error, dev sda, sector 6716088
> >> [ ? 80.340408] end_request: I/O error, dev sda, sector 6145504
> >> [ ? 80.344063] end_request: I/O error, dev sda, sector 6145504
> >> [ ? 80.347465] end_request: I/O error, dev sda, sector 6145504
> >> [ ? 80.351795] end_request: I/O error, dev sda, sector 6145504
> >> [ ? 80.356081] end_request: I/O error, dev sda, sector 6145504
> >> [ ? 80.359587] end_request: I/O error, dev sda, sector 6145504
> >> [ ? 80.363115] end_request: I/O error, dev sda, sector 6145504
> >> [ ? 80.366535] end_request: I/O error, dev sda, sector 6145504
> >> [ ? 80.370034] end_request: I/O error, dev sda, sector 6145504
> >> [ ? 80.373924] end_request: I/O error, dev sda, sector 9979920
> >> [ ? 80.377458] Buffer I/O error on device sda3, logical block 721410
> >> [ ? 80.389108] end_request: I/O error, dev sda, sector 4970504
> >> [ ? 80.392576] end_request: I/O error, dev sda, sector 4970504
> >> [ ? 80.396208] end_request: I/O error, dev sda, sector 11290592
> >> [ ? 80.399747] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> >> to read inode block - inode=2231 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 26,
> >> block=885244
> >> [ ? 80.406333] end_request: I/O error, dev sda, sector 4208640
> >> [ ? 80.409650] Buffer I/O error on device sda3, logical block 0
> >> udevd-work[1631]: exec of program '/lib/udev/ata_id' failed
> >>
> >> [ ? 80.416228] end_request: I/O error, dev sda, sector 6796224
> >> [ ? 80.419759] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.423135] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.425117] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.427447] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.429840] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.432094] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.434425] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.436746] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.439043] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.441358] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.443626] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.445864] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.448051] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.450271] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.452482] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.454745] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.457029] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.459299] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.461604] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.463843] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.466045] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.468274] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.470510] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.472725] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.474902] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.477103] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.479278] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.481514] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.483647] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.485780] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.487838] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.489897] end_request: I/O error, dev sda, sector 6796224
> >> [ ? 80.491920] end_request: I/O error, dev sda, sector 6796224
> >> [ ? 80.494294] end_request: I/O error, dev sda, sector 4971928
> >> [ ? 80.496445] end_request: I/O error, dev sda, sector 4971928
> >> [ ? 80.498650] end_request: I/O error, dev sda, sector 11290592
> >> [ ? 80.500834] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> >> to read inode block - inode=2231 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 26,
> >> block=885244
> >> [ ? 80.504930] end_request: I/O error, dev sda, sector 4208640
> >> [ ? 80.507019] Buffer I/O error on device sda3, logical block 0
> >> udevd-work[1632]: exec of program '/lib/udev/scsi_id' failed
> >>
> >> [ ? 80.511028] end_request: I/O error, dev sda, sector 12352272
> >> [ ? 80.513236] Buffer I/O error on device sda3, logical block 1017954
> >> [ ? 80.515677] end_request: I/O error, dev sda, sector 12360888
> >> [ ? 80.518021] Buffer I/O error on device sda3, logical block 1019031
> >> [ ? 80.520527] Buffer I/O error on device sda3, logical block 1019032
> >> [ ? 80.523072] end_request: I/O error, dev sda, sector 9980016
> >> [ ? 80.525394] journal_bmap: journal block not found at offset 12 on sda3
> >> [ ? 80.527956] Aborting journal on device sda3.
> >> [ ? 80.529854] end_request: I/O error, dev sda, sector 9979920
> >> [ ? 80.532119] Buffer I/O error on device sda3, logical block 721410
> >> [ ? 80.534799] end_request: I/O error, dev sda, sector 9979928
> >> [ ? 80.537239] end_request: I/O error, dev sda, sector 9979936
> >> [ ? 80.539639] end_request: I/O error, dev sda, sector 9370632
> >> [ ? 80.542144] end_request: I/O error, dev sda, sector 9370632
> >> [ ? 80.544499] EXT3-fs (sda3): error: ext3_journal_start_sb: Detected
> >> aborted journal
> >> [ ? 80.547659] EXT3-fs (sda3): error: remounting filesystem read-only
> >> [ ? 80.550535] end_request: I/O error, dev sda, sector 11290592
> >> [ ? 80.552989] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> >> to read inode block - inode=2231 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 26,
> >> block=885244
> >> udevd-work[1634]: exec of program '/sbin/blkid' failed
> >>
> >> [ ? 80.559337] end_request: I/O error, dev sda, sector 4972560
> >> [ ? 80.561964] end_request: I/O error, dev sda, sector 4972560
> >> [ ? 80.564546] end_request: I/O error, dev sda, sector 11290592
> >> [ ? 80.567069] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> >> to read inode block - inode=2231 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 26,
> >> block=885244
> >> udevd-work[1635]: exec of program '/lib/udev/edd_id' failed
> >>
> >> [ ? 80.576377] end_request: I/O error, dev sda, sector 4952712
> >> [ ? 80.580086] end_request: I/O error, dev sda, sector 4952712
> >> [ ? 80.583689] end_request: I/O error, dev sda, sector 11290592
> >> [ ? 80.586292] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> >> to read inode block - inode=2231 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 26,
> >> block=885244
> >> udevd-work[1636]: exec of program '/lib/udev/udisks-part-id' failed
> >>
> >> [ ? 80.593995] end_request: I/O error, dev sda, sector 9370632
> >> [ ? 80.596704] end_request: I/O error, dev sda, sector 9370632
> >> [ ? 80.596755] end_request: I/O error, dev sda, sector 11290592
> >> [ ? 80.596760] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> >> to read inode block - inode=2231 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 26,
> >> block=885244
> >> udevd-work[1637][ ? 80.608632] end_request: I/O error, dev sda, sector 11290592
> >> : exec of program '/sbin/blkid' failed[ ? 80.612951] EXT3-fs error
> >> (device sda3): ext3_get_inode_loc: u
> >> nable to read inode block - inode=223126, block=885244
> >>
> >>
> >> [ ? 80.621449] end_request: I/O error, dev sda, sector 9370632
> >> [ ? 80.624665] end_request: I/O error, dev sda, sector 11290592
> >> [ ? 80.627305] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> >> to read inode block - inode=2231 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 26,
> >> block=885244
> >> udevd-work[1638]: exec of program '/sbin/blkid' failed
> >>
> >> udevd-work[1639]: exec of program '/sbin/blkid' failed
> >>
> >> [ ? 80.635017] end_request: I/O error, dev sda, sector 4952712
> >> [ ? 80.637899] end_request: I/O error, dev sda, sector 4952712
> >> [ ? 80.637956] end_request: I/O error, dev sda, sector 11290592
> >> [ ? 80.637962] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> >> to read inode block - inode=2231 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 26,
> >> block=885244
> >> [ ? 80.649954] end_request: I/O error, dev sda, sector 4952712
> >> udevd-work[1640]: exec of program '/lib/udev/udi[ ? 80.649974]
> >> end_request: I/O error, dev sda, sector
> >> 11290592
> >> sks-part-id' failed
> >> [ ? 80.649981] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> >> to read inode block - inode=2231 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 26,
> >> block=885244
> >>
> >> udevd-work[1641][ ? 80.664921] end_request: I/O error, dev sda, sector 11290592
> >> : exec of program '/lib/udev/udisks-part-id' fai[ ? 80.669088] EXT3-fs
> >> error (device sda3): ext3_get_in
> >> ode_loc: ledunable to read inode block - inode=223126, block=885244
> >>
> >>
> >> udevd-work[1642]: exec of program '/lib/udev/udisks-part-id' failed
> >>
> >> ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? done
> >> [ ? 80.688649] end_request: I/O error, dev sda, sector 11516760
> >> [ ? 80.693402] end_request: I/O error, dev sda, sector 11517320
> >> [ ? 80.698410] end_request: I/O error, dev sda, sector 11516760
> >> boot.loadmodules: Input/output error
> >> [ ? 80.705752] end_request: I/O error, dev sda, sector 11517320
> >> boot.rootfsck: Input/output error
> >> [ ? 80.712719] end_request: I/O error, dev sda, sector 11516496
> >> [ ? 80.717814] end_request: I/O error, dev sda, sector 11516704
> >> [ ? 80.730101] end_request: I/O error, dev sda, sector 11516496
> >> boot.clock: Input/output error
> >> [ ? 80.736217] end_request: I/O error, dev sda, sector 11516768
> >> [ ? 80.741296] end_request: I/O error, dev sda, sector 11352104
> >> [ ? 80.745949] end_request: I/O error, dev sda, sector 11352104
> >> boot.device-mapper: Input/output error
> >> [ ? 80.753208] end_request: I/O error, dev sda, sector 11516768
> >> boot.localfs: Input/output error
> >> [ ? 80.760052] end_request: I/O error, dev sda, sector 11516488
> >> [ ? 80.764909] end_request: I/O error, dev sda, sector 11499608
> >> [ ? 80.769502] end_request: I/O error, dev sda, sector 11303224
> >> [ ? 80.775085] end_request: I/O error, dev sda, sector 11516744
> >> [ ? 80.779703] end_request: I/O error, dev sda, sector 11517168
> >> [ ? 80.784166] end_request: I/O error, dev sda, sector 11517360
> >> [ ? 80.788596] end_request: I/O error, dev sda, sector 11518640
> >> [ ? 80.793861] end_request: I/O error, dev sda, sector 11518640
> >> [ ? 80.798273] end_request: I/O error, dev sda, sector 11517360
> >> [ ? 80.803364] end_request: I/O error, dev sda, sector 11517176
> >> boot.swap: Input/output error
> >> [ ? 80.809435] end_request: I/O error, dev sda, sector 11517168
> >> boot.proc: Input/output error
> >> [ ? 80.815339] end_request: I/O error, dev sda, sector 11516488
> >> boot.localnet: Input/output error[ ? 80.820846] end_request: I/O
> >> error, dev sda, sector 11516744
> >> [ ? 80.825458] end_request: I/O error, dev sda, sector 11499608
> >> [ ? 80.829771] end_request: I/O error, dev sda, sector 11303224
> >> [ ? 80.834086] end_request: I/O error, dev sda, sector 11516752
> >>
> >> boot.cleanup: In[ ? 80.838667] end_request: I/O error, dev sda, sector 11518160
> >> put/output error[ ? 80.843568] end_request: I/O error, dev sda, sector 11516752
> >>
> >> [ ? 80.847792] end_request: I/O error, dev sda, sector 11518160
> >> boot.cycle: Input/output error[ ? 80.853141] end_request: I/O error,
> >> dev sda, sector 11417656
> >>
> >> [ ? 80.853840] end_request: I/O error, dev sda, sector 11417656
> >> boot.fuse: Input/output error
> >> boot.klog: Input/output error
> >> boot.sysctl: Input/output error
> >> [ ? 80.865148] end_request: I/O error, dev sda, sector 11516712
> >> [ ? 80.865199] end_request: I/O error, dev sda, sector 11516712
> >> boot.ldconfig: Input/output error
> >> boot.udev_retry: Input/output error
> >> boot.apparmor: Input/output error
> >> boot.ipconfig: Input/output error
> >> System Boot Control: The system has been ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?set up
> >> Failed features: boot.loadmodules boot.rootfsck boot.clock
> >> boot.device-mapper boot.localfs boot.cleanup
> >> ? ? ?boot.cycle boot.fuse boot.klog boot.localnet boot.proc boot.swap
> >> boot.sysctl boot.ldconfig boot.udev_r
> >> etry boot.apparmor boot.ipconfig
> >> System Boot Control: Running /etc/init.d/boot.local
> >> [ ? 80.890020] end_request: I/O error, dev sda, sector 11540760
> >> [ ? 80.892185] end_request: I/O error, dev sda, sector 11540760
> >> /etc/init.d/boot.local: /etc/init.d/boot.local: Input/output error ? ?failed
> >> [ ? 80.897735] end_request: I/O error, dev sda, sector 9369944
> >> [ ? 80.900025] end_request: I/O error, dev sda, sector 9369944
> >> [ ? 80.902265] end_request: I/O error, dev sda, sector 9369944
> >> /etc/init.d/boot: line 314: /sbin/killproc: Input/output error
> >> /etc/init.d/boot: line 326: /var/run/no_blogd: Read-only file system
> >> [ ? 80.909885] end_request: I/O error, dev sda, sector 12335128
> >> [ ? 80.913314] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> >> to read inode block - inode=2539 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 69,
> >> block=1015811
> >> [ ? 80.920333] end_request: I/O error, dev sda, sector 12335128
> >> [ ? 80.923922] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> >> to read inode block - inode=2539 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 69,
> >> block=1015811
> >> [ ? 80.931552] end_request: I/O error, dev sda, sector 12335128
> >> [ ? 80.935604] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> >> to read inode block - inode=2539 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 69,
> >> block=1015811
> >> [ ? 80.944776] end_request: I/O error, dev sda, sector 11290592
> >> [ ? 80.948819] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> >> to read inode block - inode=2231 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 26,
> >> block=885244
> >> INIT: Entering runlevel: 3
> >> [ ? 80.965451] end_request: I/O error, dev sda, sector 11519720
> >> [ ? 80.969737] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> [ ? 80.980514] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
> >> 80.987414] end_request: I/O erro ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? r, dev
> >> sda, sector 11519720
> >>
> >> [ ? 80.991743] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript:[ ? 80.996145] end_request: I/O error, dev sda, sector 11519720
> >> ?line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/s[ ? 81.005996] end_request: I/O error,
> >> dev sda, sector 11519720
> >> ysconfig/ulimit: Input/output er[ ? 81.010510] end_request: I/O error,
> >> dev sda, sector 11519720
> >> ror[ ? 81.016077] end_request: I/O error, dev sda, sector 11519720
> >>
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
> >> 81.022320] end_request: I/O erro ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? r, dev
> >> sda, sector 11519720
> >>
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript:[ ? 81.030711] end_request: I/O error, dev sda, sector 11519720
> >> ?line 77: /etc/sysconfig/ulimit:[ ? 81.035523] end_request: I/O error,
> >> dev sda, sector 11519720
> >> ?Input/output error
> >> /etc/initscript:[ ? 81.043077] end_request: I/O error, dev sda, sector 11519720
> >> ?line 77: /etc/sysconfig/ulimit:[ ? 81.047889] end_request: I/O error,
> >> dev sda, sector 11519720
> >> ?Input/output error[ ? 81.052231] end_request: I/O error, dev sda,
> >> sector 11519720
> >>
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/outp[
> >> 81.062739] end_request: I/O error, dev s
> >> da, sector 11519720
> >> ut error
> >> [ ? 81.066952] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> [ ? 81.081287] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit:[ ? 81.087077]
> >> end_request: I/O error, dev sda, sector
> >> 11519720
> >> ?Input/output error
> >> [ ? 81.092828] end_request: I/O error, dev sda, sector 11519720
> >> [ ? 81.097171] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
> >> 81.105199] end_request: I/O error, ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?dev
> >> sda, sector 11519720
> >> ror
> >> /etc/initscript: line 77: /[ ? 81.109861] end_request: I/O error, dev
> >> sda, sector 11519720
> >> etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input[ ? 81.116079]
> >> end_request: I/O error, dev sda, s ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ector
> >> 11519720
> >> /output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/uli[ ? 81.123656]
> >> end_request: I/O error, dev sda, sector 1151
> >> ? ? 9720
> >> mit: Input/output error
> >> [ ? 81.131077] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript:[ ? 81.135256] end_request: I/O error, dev sda, sector 11519720
> >> ?line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> [ ? 81.145043] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
> >> 81.151102] end_request: I/O erro ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? r, dev
> >> sda, sector 11519720
> >>
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript:[ ? 81.158246] end_request: I/O error, dev sda, sector 11519720
> >> ?line 77: /etc/sysconfig/ulimit: Input/output error[ ? 81.163908]
> >> end_request: I/O error, dev sda, sect ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? or
> >> 11519720
> >>
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript:[ ? 81.170077] end_request: I/O error, dev sda, sector 11519720
> >> ?line 77: /etc/sysconfig/ulimit: Input/output error
> >> [ ? 81.175614] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
> >> 81.181692] end_request: I/O erro ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? r, dev
> >> sda, sector 11519720
> >>
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> [ ? 81.188834] end_request: I/O error, dev sda, sector 11519720
> >> [ ? 81.193074] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ul[ ? 81.202959] end_request:
> >> I/O error, dev sda, sector 11519 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 720
> >> imit: Input/output error
> >> [ ? 81.209078] end_request: I/O error, dev sda, sector 11519720
> >> [ ? 81.215046] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit:[ ? 81.220029]
> >> end_request: I/O error, dev sda, sector
> >> 11519720
> >> ?Input/output error
> >> /etc/initscript:[ ? 81.224860] end_request: I/O error, dev sda, sector 11519720
> >> ?line 77: /etc/sysconfig/ulimit: Input/output error[ ? 81.230950]
> >> end_request: I/O error, dev sda, sect ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? or
> >> 11519720
> >>
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> [ ? 81.241445] end_request: I/O error, dev sda, sector 11519720
> >> [ ? 81.245133] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
> >> 81.253519] end_request: I/O erro ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? r, dev
> >> sda, sector 11519720
> >>
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
> >> 81.259342] end_request: I/O error, ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?dev
> >> sda, sector 11519720
> >> ror
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/outp[
> >> 81.265077] end_request: I/O error, dev s
> >> da, sector 11519720
> >> ut error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sy[ ? 81.271786] end_request: I/O
> >> error, dev sda, sector 11519720
> >> sconfig/ulimit: Input/output error
> >> [ ? 81.277066] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> [ ? 81.284078] end_request: I/O error, dev sda, sector 11519720
> >> [ ? 81.287740] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit:[ ? 81.292708]
> >> end_request: I/O error, dev sda, sector
> >> 11519720
> >> ?Input/output error[ ? 81.298719] end_request: I/O error, dev sda,
> >> sector 11519720
> >>
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript:[ ? 81.304841] end_request: I/O error, dev sda, sector 11519720
> >> ?line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> [ ? 81.313187] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> [ ? 81.324518] end_request: I/O error, dev sda, sector 11519720
> >> [ ? 81.329435] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
> >> 81.334830] end_request: I/O error, ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?dev
> >> sda, sector 11519720
> >> ror
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line [ ? 81.341698] end_request: I/O error, dev sda,
> >> sector 11519720
> >> 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> INIT: Id "6[ ? 81.349010] end_request: I/O error, dev sda, sector 11519720
> >> " respawning too fast: disabled for 5 minutes
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
> >> 81.355880] end_request: I/O error, ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?dev
> >> sda, sector 11519720
> >> ror
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> [ ? 81.363875] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
> >> 81.369261] end_request: I/O error, ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?dev
> >> sda, sector 11519720
> >> ror
> >> INIT: Id "co" respawning too fast: disabled for 5 minutes
> >> /etc/initscript: line 77: /etc[ ? 81.376228] end_request: I/O error,
> >> dev sda, sector 11519720
> >> /sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> INI[ ? 81.383188] end_request: I/O error, dev sda, sector 11519720
> >> T: Id "3" respawning too fast: disabled for 5 minutes
> >> /etc/initscript: line 77[ ? 81.389244] end_request: I/O error, dev
> >> sda, sector 11519720
> >> : /etc/sysconfig/ulimit: Input/output error
> >> INIT: Id "4" respawning too fast: disabled for 5 minutes
> >> /etc/in[ ? 81.395907] end_request: I/O error, dev sda, sector 11519720
> >> itscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: I[ ? 81.403341]
> >> end_request: I/O error, dev sda, secto ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? r
> >> 11519720
> >> nput/output error
> >> INIT: Id "5" respawning too fast: disabled for 5 minutes
> >> /etc/initscript: [ ? 81.410018] end_request: I/O error, dev sda, sector 11519720
> >> line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> INIT: Id "1" respawning too fast: disabled for 5 minutes
> >> [ ? 81.420725] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> [ ? 81.430746] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> [ ? 81.440664] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> INIT: Id "2" respawning too fast: disabled for 5 minutes
> >> INIT: no more processes left in this runlevel
> >>
> >>
> >>
> >>
> >> On Wed, Nov 30, 2011 at 11:48 AM, Artur Baruchi <mail.baruchi@gmail.com> wrote:
> >> > Hi.
> >> >
> >> > Im installing a VM to run a benchmark, Im able to install the VM issue
> >> > the first boot (to setup network configurations), but if I reboot the
> >> > VM it just hangs and do not boot. I've re-installed the machine but no
> >> > success. Follow some details:
> >> >
> >> > - Dom0: Opensuse 11.3 (x86_64), kernel 2.6.34-12-xen,
> >> > xen-4.0.0_21091_05-6.6.x86_64
> >> > - DomU: Full Virtualization, Opensuse 11.3 (x86_64), kernel 2.6.34-12-desktop
> >> >
> >> > Some errors in message file (not sure that this errors mean something
> >> > for this problem):
> >> > Nov 27 23:02:17 linuxtemp01 kernel: [ 5681.075141] ata1: link is slow
> >> > to respond, please be patient (ready=0)
> >> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.073141] ata1: device not
> >> > ready (errno=-16), forcing hardreset
> >> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.073236] ata1: soft resetting link
> >> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.228817] ata1.00: configured
> >> > for MWDMA2
> >> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230503] ata1.01: configured
> >> > for MWDMA1
> >> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230508] ata1.00: device
> >> > reported invalid CHS sector 0
> >> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230515] ata1: EH complete
> >> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701259] ata1.01: exception
> >> > Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
> >> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701262] ata1.01: failed
> >> > command: WRITE DMA EXT
> >> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701265] ata1.01: cmd
> >> > 35/00:98:ef:c0:24/00:02:02:00:00/f0 tag 0 dma 339968 out
> >> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701266] ? ? ? ? ?res
> >> > 40/00:01:00:00:00/00:00:00:00:00/b0 Emask 0x4 (timeout)
> >> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701268] ata1.01: status: { DRDY }
> >> > Nov 27 23:08:29 linuxtemp01 kernel: [ 6052.750078] ata1: link is slow
> >> > to respond, please be patient (ready=0)
> >> > Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.748079] ata1: device not
> >> > ready (errno=-16), forcing hardreset
> >> > Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.748134] ata1: soft resetting link
> >> > Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.902320] ata1.00: configured
> >> > for MWDMA2
> >> > Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903499] ata1.01: configured
> >> > for MWDMA1
> >> > Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903503] ata1.01: device
> >> > reported invalid CHS sector 0
> >> > Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903506] ata1: EH complete
> >> >
> >> > My problem is very similar to this one:
> >> > http://web.archiveorange.com/archive/v/wmeLDfqXdkxOOQURv2Ak
> >> >
> >> > But the workaround for this issue is not working for me.
> >> >
> >> > Any help will be welcome.
> >> >
> >> > Thanks in advance.
> >> >
> >> > Att.
> >> > Artur Baruchi
> >>
> >> _______________________________________________
> >> Xen-devel mailing list
> >> Xen-devel@lists.xensource.com
> >> http://lists.xensource.com/xen-devel

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Date: Wed, 30 Nov 2011 23:16:01 -0400
From: Konrad Rzeszutek Wilk <konrad@darnok.org>
To: Artur Baruchi <mail.baruchi@gmail.com>
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Subject: Re: [Xen-users] [Xen-devel] VM Hanging after reboot
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On Wed, Nov 30, 2011 at 09:09:58PM -0200, Artur Baruchi wrote:
> Hi Konrad.
> 
> That was my first though (disk going bad). But I create another VM in
> a different host and faced the same error. I tried to create another

So is the error from within the guest or from the dom0?

> file and use a physical device (logical volume) too, but no lucky. Im
> guessing that it can be:
> 
> - There is a bug in this kernel version or in paravirtualized drivers
> used by opensuse 11.3 (based on some google searchs that I made, with
> similar errors); OR
> - Some configuration problem (for example, need to enable acpi in my
> vm kernel, or anything like this).
> 
> Thanks.
> 
> Att.
> Artur Baruchi
> 
> 
> On Wed, Nov 30, 2011 at 8:15 PM, Konrad Rzeszutek Wilk
> <konrad@darnok.org> wrote:
> > On Wed, Nov 30, 2011 at 04:46:55PM -0200, Artur Baruchi wrote:
> >> I just configured the serial console to see what is going on during
> >> the boot. I tried to run fsck and changed the grub to use the device
> >> path (/dev/sdaX) instead udisks-part-id, but no success.
> >>
> >> Follow the console errors:
> >>
> >
> > That looks like your disk is going bad?
> >
> > Was there anything before this? Like the IRQs not setup properly?
> >
> >> Loading drivers, configuring devices: [ ? 69.701448] ata1.00:
> >> exception Emask 0x0 SAct 0x0 SErr 0x0 act
> >> ?ion 0x6 frozen
> >> [ ? 69.705706] ata1.00: failed command: READ DMA
> >> [ ? 69.708402] ata1.00: cmd c8/00:20:b8:7a:66/00:00:00:00:00/e0 tag 0
> >> dma 16384 in
> >> [ ? 69.708403] ? ? ? ? ?res 40/00:01:00:00:00/00:00:00:00:00/a0 Emask
> >> 0x4 (timeout)
> >> [ ? 69.717358] ata1.00: status: { DRDY }
> >> [ ? 69.872400] ata1.00: revalidation failed (errno=-2)
> >> [ ? 75.023385] ata1.00: revalidation failed (errno=-2)
> >> [ ? 80.174383] ata1.00: revalidation failed (errno=-2)
> >> [ ? 80.329687] end_request: I/O error, dev sda, sector 6716088
> >> [ ? 80.333096] end_request: I/O error, dev sda, sector 6716088
> >> [ ? 80.336676] end_request: I/O error, dev sda, sector 6716088
> >> [ ? 80.340408] end_request: I/O error, dev sda, sector 6145504
> >> [ ? 80.344063] end_request: I/O error, dev sda, sector 6145504
> >> [ ? 80.347465] end_request: I/O error, dev sda, sector 6145504
> >> [ ? 80.351795] end_request: I/O error, dev sda, sector 6145504
> >> [ ? 80.356081] end_request: I/O error, dev sda, sector 6145504
> >> [ ? 80.359587] end_request: I/O error, dev sda, sector 6145504
> >> [ ? 80.363115] end_request: I/O error, dev sda, sector 6145504
> >> [ ? 80.366535] end_request: I/O error, dev sda, sector 6145504
> >> [ ? 80.370034] end_request: I/O error, dev sda, sector 6145504
> >> [ ? 80.373924] end_request: I/O error, dev sda, sector 9979920
> >> [ ? 80.377458] Buffer I/O error on device sda3, logical block 721410
> >> [ ? 80.389108] end_request: I/O error, dev sda, sector 4970504
> >> [ ? 80.392576] end_request: I/O error, dev sda, sector 4970504
> >> [ ? 80.396208] end_request: I/O error, dev sda, sector 11290592
> >> [ ? 80.399747] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> >> to read inode block - inode=2231 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 26,
> >> block=885244
> >> [ ? 80.406333] end_request: I/O error, dev sda, sector 4208640
> >> [ ? 80.409650] Buffer I/O error on device sda3, logical block 0
> >> udevd-work[1631]: exec of program '/lib/udev/ata_id' failed
> >>
> >> [ ? 80.416228] end_request: I/O error, dev sda, sector 6796224
> >> [ ? 80.419759] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.423135] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.425117] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.427447] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.429840] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.432094] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.434425] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.436746] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.439043] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.441358] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.443626] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.445864] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.448051] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.450271] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.452482] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.454745] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.457029] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.459299] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.461604] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.463843] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.466045] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.468274] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.470510] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.472725] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.474902] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.477103] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.479278] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.481514] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.483647] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.485780] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.487838] end_request: I/O error, dev sda, sector 6796288
> >> [ ? 80.489897] end_request: I/O error, dev sda, sector 6796224
> >> [ ? 80.491920] end_request: I/O error, dev sda, sector 6796224
> >> [ ? 80.494294] end_request: I/O error, dev sda, sector 4971928
> >> [ ? 80.496445] end_request: I/O error, dev sda, sector 4971928
> >> [ ? 80.498650] end_request: I/O error, dev sda, sector 11290592
> >> [ ? 80.500834] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> >> to read inode block - inode=2231 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 26,
> >> block=885244
> >> [ ? 80.504930] end_request: I/O error, dev sda, sector 4208640
> >> [ ? 80.507019] Buffer I/O error on device sda3, logical block 0
> >> udevd-work[1632]: exec of program '/lib/udev/scsi_id' failed
> >>
> >> [ ? 80.511028] end_request: I/O error, dev sda, sector 12352272
> >> [ ? 80.513236] Buffer I/O error on device sda3, logical block 1017954
> >> [ ? 80.515677] end_request: I/O error, dev sda, sector 12360888
> >> [ ? 80.518021] Buffer I/O error on device sda3, logical block 1019031
> >> [ ? 80.520527] Buffer I/O error on device sda3, logical block 1019032
> >> [ ? 80.523072] end_request: I/O error, dev sda, sector 9980016
> >> [ ? 80.525394] journal_bmap: journal block not found at offset 12 on sda3
> >> [ ? 80.527956] Aborting journal on device sda3.
> >> [ ? 80.529854] end_request: I/O error, dev sda, sector 9979920
> >> [ ? 80.532119] Buffer I/O error on device sda3, logical block 721410
> >> [ ? 80.534799] end_request: I/O error, dev sda, sector 9979928
> >> [ ? 80.537239] end_request: I/O error, dev sda, sector 9979936
> >> [ ? 80.539639] end_request: I/O error, dev sda, sector 9370632
> >> [ ? 80.542144] end_request: I/O error, dev sda, sector 9370632
> >> [ ? 80.544499] EXT3-fs (sda3): error: ext3_journal_start_sb: Detected
> >> aborted journal
> >> [ ? 80.547659] EXT3-fs (sda3): error: remounting filesystem read-only
> >> [ ? 80.550535] end_request: I/O error, dev sda, sector 11290592
> >> [ ? 80.552989] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> >> to read inode block - inode=2231 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 26,
> >> block=885244
> >> udevd-work[1634]: exec of program '/sbin/blkid' failed
> >>
> >> [ ? 80.559337] end_request: I/O error, dev sda, sector 4972560
> >> [ ? 80.561964] end_request: I/O error, dev sda, sector 4972560
> >> [ ? 80.564546] end_request: I/O error, dev sda, sector 11290592
> >> [ ? 80.567069] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> >> to read inode block - inode=2231 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 26,
> >> block=885244
> >> udevd-work[1635]: exec of program '/lib/udev/edd_id' failed
> >>
> >> [ ? 80.576377] end_request: I/O error, dev sda, sector 4952712
> >> [ ? 80.580086] end_request: I/O error, dev sda, sector 4952712
> >> [ ? 80.583689] end_request: I/O error, dev sda, sector 11290592
> >> [ ? 80.586292] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> >> to read inode block - inode=2231 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 26,
> >> block=885244
> >> udevd-work[1636]: exec of program '/lib/udev/udisks-part-id' failed
> >>
> >> [ ? 80.593995] end_request: I/O error, dev sda, sector 9370632
> >> [ ? 80.596704] end_request: I/O error, dev sda, sector 9370632
> >> [ ? 80.596755] end_request: I/O error, dev sda, sector 11290592
> >> [ ? 80.596760] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> >> to read inode block - inode=2231 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 26,
> >> block=885244
> >> udevd-work[1637][ ? 80.608632] end_request: I/O error, dev sda, sector 11290592
> >> : exec of program '/sbin/blkid' failed[ ? 80.612951] EXT3-fs error
> >> (device sda3): ext3_get_inode_loc: u
> >> nable to read inode block - inode=223126, block=885244
> >>
> >>
> >> [ ? 80.621449] end_request: I/O error, dev sda, sector 9370632
> >> [ ? 80.624665] end_request: I/O error, dev sda, sector 11290592
> >> [ ? 80.627305] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> >> to read inode block - inode=2231 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 26,
> >> block=885244
> >> udevd-work[1638]: exec of program '/sbin/blkid' failed
> >>
> >> udevd-work[1639]: exec of program '/sbin/blkid' failed
> >>
> >> [ ? 80.635017] end_request: I/O error, dev sda, sector 4952712
> >> [ ? 80.637899] end_request: I/O error, dev sda, sector 4952712
> >> [ ? 80.637956] end_request: I/O error, dev sda, sector 11290592
> >> [ ? 80.637962] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> >> to read inode block - inode=2231 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 26,
> >> block=885244
> >> [ ? 80.649954] end_request: I/O error, dev sda, sector 4952712
> >> udevd-work[1640]: exec of program '/lib/udev/udi[ ? 80.649974]
> >> end_request: I/O error, dev sda, sector
> >> 11290592
> >> sks-part-id' failed
> >> [ ? 80.649981] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> >> to read inode block - inode=2231 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 26,
> >> block=885244
> >>
> >> udevd-work[1641][ ? 80.664921] end_request: I/O error, dev sda, sector 11290592
> >> : exec of program '/lib/udev/udisks-part-id' fai[ ? 80.669088] EXT3-fs
> >> error (device sda3): ext3_get_in
> >> ode_loc: ledunable to read inode block - inode=223126, block=885244
> >>
> >>
> >> udevd-work[1642]: exec of program '/lib/udev/udisks-part-id' failed
> >>
> >> ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? done
> >> [ ? 80.688649] end_request: I/O error, dev sda, sector 11516760
> >> [ ? 80.693402] end_request: I/O error, dev sda, sector 11517320
> >> [ ? 80.698410] end_request: I/O error, dev sda, sector 11516760
> >> boot.loadmodules: Input/output error
> >> [ ? 80.705752] end_request: I/O error, dev sda, sector 11517320
> >> boot.rootfsck: Input/output error
> >> [ ? 80.712719] end_request: I/O error, dev sda, sector 11516496
> >> [ ? 80.717814] end_request: I/O error, dev sda, sector 11516704
> >> [ ? 80.730101] end_request: I/O error, dev sda, sector 11516496
> >> boot.clock: Input/output error
> >> [ ? 80.736217] end_request: I/O error, dev sda, sector 11516768
> >> [ ? 80.741296] end_request: I/O error, dev sda, sector 11352104
> >> [ ? 80.745949] end_request: I/O error, dev sda, sector 11352104
> >> boot.device-mapper: Input/output error
> >> [ ? 80.753208] end_request: I/O error, dev sda, sector 11516768
> >> boot.localfs: Input/output error
> >> [ ? 80.760052] end_request: I/O error, dev sda, sector 11516488
> >> [ ? 80.764909] end_request: I/O error, dev sda, sector 11499608
> >> [ ? 80.769502] end_request: I/O error, dev sda, sector 11303224
> >> [ ? 80.775085] end_request: I/O error, dev sda, sector 11516744
> >> [ ? 80.779703] end_request: I/O error, dev sda, sector 11517168
> >> [ ? 80.784166] end_request: I/O error, dev sda, sector 11517360
> >> [ ? 80.788596] end_request: I/O error, dev sda, sector 11518640
> >> [ ? 80.793861] end_request: I/O error, dev sda, sector 11518640
> >> [ ? 80.798273] end_request: I/O error, dev sda, sector 11517360
> >> [ ? 80.803364] end_request: I/O error, dev sda, sector 11517176
> >> boot.swap: Input/output error
> >> [ ? 80.809435] end_request: I/O error, dev sda, sector 11517168
> >> boot.proc: Input/output error
> >> [ ? 80.815339] end_request: I/O error, dev sda, sector 11516488
> >> boot.localnet: Input/output error[ ? 80.820846] end_request: I/O
> >> error, dev sda, sector 11516744
> >> [ ? 80.825458] end_request: I/O error, dev sda, sector 11499608
> >> [ ? 80.829771] end_request: I/O error, dev sda, sector 11303224
> >> [ ? 80.834086] end_request: I/O error, dev sda, sector 11516752
> >>
> >> boot.cleanup: In[ ? 80.838667] end_request: I/O error, dev sda, sector 11518160
> >> put/output error[ ? 80.843568] end_request: I/O error, dev sda, sector 11516752
> >>
> >> [ ? 80.847792] end_request: I/O error, dev sda, sector 11518160
> >> boot.cycle: Input/output error[ ? 80.853141] end_request: I/O error,
> >> dev sda, sector 11417656
> >>
> >> [ ? 80.853840] end_request: I/O error, dev sda, sector 11417656
> >> boot.fuse: Input/output error
> >> boot.klog: Input/output error
> >> boot.sysctl: Input/output error
> >> [ ? 80.865148] end_request: I/O error, dev sda, sector 11516712
> >> [ ? 80.865199] end_request: I/O error, dev sda, sector 11516712
> >> boot.ldconfig: Input/output error
> >> boot.udev_retry: Input/output error
> >> boot.apparmor: Input/output error
> >> boot.ipconfig: Input/output error
> >> System Boot Control: The system has been ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?set up
> >> Failed features: boot.loadmodules boot.rootfsck boot.clock
> >> boot.device-mapper boot.localfs boot.cleanup
> >> ? ? ?boot.cycle boot.fuse boot.klog boot.localnet boot.proc boot.swap
> >> boot.sysctl boot.ldconfig boot.udev_r
> >> etry boot.apparmor boot.ipconfig
> >> System Boot Control: Running /etc/init.d/boot.local
> >> [ ? 80.890020] end_request: I/O error, dev sda, sector 11540760
> >> [ ? 80.892185] end_request: I/O error, dev sda, sector 11540760
> >> /etc/init.d/boot.local: /etc/init.d/boot.local: Input/output error ? ?failed
> >> [ ? 80.897735] end_request: I/O error, dev sda, sector 9369944
> >> [ ? 80.900025] end_request: I/O error, dev sda, sector 9369944
> >> [ ? 80.902265] end_request: I/O error, dev sda, sector 9369944
> >> /etc/init.d/boot: line 314: /sbin/killproc: Input/output error
> >> /etc/init.d/boot: line 326: /var/run/no_blogd: Read-only file system
> >> [ ? 80.909885] end_request: I/O error, dev sda, sector 12335128
> >> [ ? 80.913314] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> >> to read inode block - inode=2539 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 69,
> >> block=1015811
> >> [ ? 80.920333] end_request: I/O error, dev sda, sector 12335128
> >> [ ? 80.923922] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> >> to read inode block - inode=2539 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 69,
> >> block=1015811
> >> [ ? 80.931552] end_request: I/O error, dev sda, sector 12335128
> >> [ ? 80.935604] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> >> to read inode block - inode=2539 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 69,
> >> block=1015811
> >> [ ? 80.944776] end_request: I/O error, dev sda, sector 11290592
> >> [ ? 80.948819] EXT3-fs error (device sda3): ext3_get_inode_loc: unable
> >> to read inode block - inode=2231 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 26,
> >> block=885244
> >> INIT: Entering runlevel: 3
> >> [ ? 80.965451] end_request: I/O error, dev sda, sector 11519720
> >> [ ? 80.969737] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> [ ? 80.980514] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
> >> 80.987414] end_request: I/O erro ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? r, dev
> >> sda, sector 11519720
> >>
> >> [ ? 80.991743] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript:[ ? 80.996145] end_request: I/O error, dev sda, sector 11519720
> >> ?line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/s[ ? 81.005996] end_request: I/O error,
> >> dev sda, sector 11519720
> >> ysconfig/ulimit: Input/output er[ ? 81.010510] end_request: I/O error,
> >> dev sda, sector 11519720
> >> ror[ ? 81.016077] end_request: I/O error, dev sda, sector 11519720
> >>
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
> >> 81.022320] end_request: I/O erro ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? r, dev
> >> sda, sector 11519720
> >>
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript:[ ? 81.030711] end_request: I/O error, dev sda, sector 11519720
> >> ?line 77: /etc/sysconfig/ulimit:[ ? 81.035523] end_request: I/O error,
> >> dev sda, sector 11519720
> >> ?Input/output error
> >> /etc/initscript:[ ? 81.043077] end_request: I/O error, dev sda, sector 11519720
> >> ?line 77: /etc/sysconfig/ulimit:[ ? 81.047889] end_request: I/O error,
> >> dev sda, sector 11519720
> >> ?Input/output error[ ? 81.052231] end_request: I/O error, dev sda,
> >> sector 11519720
> >>
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/outp[
> >> 81.062739] end_request: I/O error, dev s
> >> da, sector 11519720
> >> ut error
> >> [ ? 81.066952] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> [ ? 81.081287] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit:[ ? 81.087077]
> >> end_request: I/O error, dev sda, sector
> >> 11519720
> >> ?Input/output error
> >> [ ? 81.092828] end_request: I/O error, dev sda, sector 11519720
> >> [ ? 81.097171] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
> >> 81.105199] end_request: I/O error, ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?dev
> >> sda, sector 11519720
> >> ror
> >> /etc/initscript: line 77: /[ ? 81.109861] end_request: I/O error, dev
> >> sda, sector 11519720
> >> etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input[ ? 81.116079]
> >> end_request: I/O error, dev sda, s ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ector
> >> 11519720
> >> /output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/uli[ ? 81.123656]
> >> end_request: I/O error, dev sda, sector 1151
> >> ? ? 9720
> >> mit: Input/output error
> >> [ ? 81.131077] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript:[ ? 81.135256] end_request: I/O error, dev sda, sector 11519720
> >> ?line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> [ ? 81.145043] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
> >> 81.151102] end_request: I/O erro ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? r, dev
> >> sda, sector 11519720
> >>
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript:[ ? 81.158246] end_request: I/O error, dev sda, sector 11519720
> >> ?line 77: /etc/sysconfig/ulimit: Input/output error[ ? 81.163908]
> >> end_request: I/O error, dev sda, sect ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? or
> >> 11519720
> >>
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript:[ ? 81.170077] end_request: I/O error, dev sda, sector 11519720
> >> ?line 77: /etc/sysconfig/ulimit: Input/output error
> >> [ ? 81.175614] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
> >> 81.181692] end_request: I/O erro ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? r, dev
> >> sda, sector 11519720
> >>
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> [ ? 81.188834] end_request: I/O error, dev sda, sector 11519720
> >> [ ? 81.193074] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ul[ ? 81.202959] end_request:
> >> I/O error, dev sda, sector 11519 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 720
> >> imit: Input/output error
> >> [ ? 81.209078] end_request: I/O error, dev sda, sector 11519720
> >> [ ? 81.215046] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit:[ ? 81.220029]
> >> end_request: I/O error, dev sda, sector
> >> 11519720
> >> ?Input/output error
> >> /etc/initscript:[ ? 81.224860] end_request: I/O error, dev sda, sector 11519720
> >> ?line 77: /etc/sysconfig/ulimit: Input/output error[ ? 81.230950]
> >> end_request: I/O error, dev sda, sect ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? or
> >> 11519720
> >>
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> [ ? 81.241445] end_request: I/O error, dev sda, sector 11519720
> >> [ ? 81.245133] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error[
> >> 81.253519] end_request: I/O erro ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? r, dev
> >> sda, sector 11519720
> >>
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
> >> 81.259342] end_request: I/O error, ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?dev
> >> sda, sector 11519720
> >> ror
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/outp[
> >> 81.265077] end_request: I/O error, dev s
> >> da, sector 11519720
> >> ut error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sy[ ? 81.271786] end_request: I/O
> >> error, dev sda, sector 11519720
> >> sconfig/ulimit: Input/output error
> >> [ ? 81.277066] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> [ ? 81.284078] end_request: I/O error, dev sda, sector 11519720
> >> [ ? 81.287740] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit:[ ? 81.292708]
> >> end_request: I/O error, dev sda, sector
> >> 11519720
> >> ?Input/output error[ ? 81.298719] end_request: I/O error, dev sda,
> >> sector 11519720
> >>
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript:[ ? 81.304841] end_request: I/O error, dev sda, sector 11519720
> >> ?line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> [ ? 81.313187] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> [ ? 81.324518] end_request: I/O error, dev sda, sector 11519720
> >> [ ? 81.329435] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
> >> 81.334830] end_request: I/O error, ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?dev
> >> sda, sector 11519720
> >> ror
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line [ ? 81.341698] end_request: I/O error, dev sda,
> >> sector 11519720
> >> 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> INIT: Id "6[ ? 81.349010] end_request: I/O error, dev sda, sector 11519720
> >> " respawning too fast: disabled for 5 minutes
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
> >> 81.355880] end_request: I/O error, ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?dev
> >> sda, sector 11519720
> >> ror
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> [ ? 81.363875] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output er[
> >> 81.369261] end_request: I/O error, ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?dev
> >> sda, sector 11519720
> >> ror
> >> INIT: Id "co" respawning too fast: disabled for 5 minutes
> >> /etc/initscript: line 77: /etc[ ? 81.376228] end_request: I/O error,
> >> dev sda, sector 11519720
> >> /sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> INI[ ? 81.383188] end_request: I/O error, dev sda, sector 11519720
> >> T: Id "3" respawning too fast: disabled for 5 minutes
> >> /etc/initscript: line 77[ ? 81.389244] end_request: I/O error, dev
> >> sda, sector 11519720
> >> : /etc/sysconfig/ulimit: Input/output error
> >> INIT: Id "4" respawning too fast: disabled for 5 minutes
> >> /etc/in[ ? 81.395907] end_request: I/O error, dev sda, sector 11519720
> >> itscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: I[ ? 81.403341]
> >> end_request: I/O error, dev sda, secto ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? r
> >> 11519720
> >> nput/output error
> >> INIT: Id "5" respawning too fast: disabled for 5 minutes
> >> /etc/initscript: [ ? 81.410018] end_request: I/O error, dev sda, sector 11519720
> >> line 77: /etc/sysconfig/ulimit: Input/output error
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> INIT: Id "1" respawning too fast: disabled for 5 minutes
> >> [ ? 81.420725] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> [ ? 81.430746] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> [ ? 81.440664] end_request: I/O error, dev sda, sector 11519720
> >> /etc/initscript: line 77: /etc/sysconfig/ulimit: Input/output error
> >> INIT: Id "2" respawning too fast: disabled for 5 minutes
> >> INIT: no more processes left in this runlevel
> >>
> >>
> >>
> >>
> >> On Wed, Nov 30, 2011 at 11:48 AM, Artur Baruchi <mail.baruchi@gmail.com> wrote:
> >> > Hi.
> >> >
> >> > Im installing a VM to run a benchmark, Im able to install the VM issue
> >> > the first boot (to setup network configurations), but if I reboot the
> >> > VM it just hangs and do not boot. I've re-installed the machine but no
> >> > success. Follow some details:
> >> >
> >> > - Dom0: Opensuse 11.3 (x86_64), kernel 2.6.34-12-xen,
> >> > xen-4.0.0_21091_05-6.6.x86_64
> >> > - DomU: Full Virtualization, Opensuse 11.3 (x86_64), kernel 2.6.34-12-desktop
> >> >
> >> > Some errors in message file (not sure that this errors mean something
> >> > for this problem):
> >> > Nov 27 23:02:17 linuxtemp01 kernel: [ 5681.075141] ata1: link is slow
> >> > to respond, please be patient (ready=0)
> >> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.073141] ata1: device not
> >> > ready (errno=-16), forcing hardreset
> >> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.073236] ata1: soft resetting link
> >> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.228817] ata1.00: configured
> >> > for MWDMA2
> >> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230503] ata1.01: configured
> >> > for MWDMA1
> >> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230508] ata1.00: device
> >> > reported invalid CHS sector 0
> >> > Nov 27 23:02:22 linuxtemp01 kernel: [ 5686.230515] ata1: EH complete
> >> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701259] ata1.01: exception
> >> > Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
> >> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701262] ata1.01: failed
> >> > command: WRITE DMA EXT
> >> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701265] ata1.01: cmd
> >> > 35/00:98:ef:c0:24/00:02:02:00:00/f0 tag 0 dma 339968 out
> >> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701266] ? ? ? ? ?res
> >> > 40/00:01:00:00:00/00:00:00:00:00/b0 Emask 0x4 (timeout)
> >> > Nov 27 23:08:24 linuxtemp01 kernel: [ 6047.701268] ata1.01: status: { DRDY }
> >> > Nov 27 23:08:29 linuxtemp01 kernel: [ 6052.750078] ata1: link is slow
> >> > to respond, please be patient (ready=0)
> >> > Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.748079] ata1: device not
> >> > ready (errno=-16), forcing hardreset
> >> > Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.748134] ata1: soft resetting link
> >> > Nov 27 23:08:34 linuxtemp01 kernel: [ 6057.902320] ata1.00: configured
> >> > for MWDMA2
> >> > Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903499] ata1.01: configured
> >> > for MWDMA1
> >> > Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903503] ata1.01: device
> >> > reported invalid CHS sector 0
> >> > Nov 27 23:08:35 linuxtemp01 kernel: [ 6057.903506] ata1: EH complete
> >> >
> >> > My problem is very similar to this one:
> >> > http://web.archiveorange.com/archive/v/wmeLDfqXdkxOOQURv2Ak
> >> >
> >> > But the workaround for this issue is not working for me.
> >> >
> >> > Any help will be welcome.
> >> >
> >> > Thanks in advance.
> >> >
> >> > Att.
> >> > Artur Baruchi
> >>
> >> _______________________________________________
> >> Xen-devel mailing list
> >> Xen-devel@lists.xensource.com
> >> http://lists.xensource.com/xen-devel

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From: =?UTF-8?Q?Szalai_Bal=C3=A1zs?= <szalaib@econsys.hu>
To: Olivier Hanesse <olivier.hanesse@gmail.com>
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Subject: Re: [Xen-users] Nic Bonding xen 4-0 squeeze
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2011/11/28 Olivier Hanesse <olivier.hanesse@gmail.com>

>  Just disable the network-bridge script in the xend-config file.
>
> +1
In my   /etc/xen/xend-config.sxp the "(network-script 'network-bridge')"
line commented out (using only the
 (vif-script vif-bridge) )

Regards
>
> Le 28/11/2011 18:08, Fran Rodr=C3=ADguez a =C3=A9crit :
>
> Thank you Szalai and Olivier for the answers, i try thats configurations
> but it doesnt work for me... Ive been using xen system from repositories,
> my bonding.conf on /etc/modprobe.d/ is
>
>  alias bond0 bonding
> options mode=3D1 ...
>
>  And my interface file is like you told me. Well, when i restarted the
> machines, i got this for the screen :
> "Cannot find device br0
> /etc/xen/scripts/network-bridge line240 sigerr: command not found"
>
>  The commando on that line is ip... ?=C2=BF and it exits. This is the lin=
es,
> it seems something is missing... Any idea?=C2=BF
>
>  ip link set ${netdev} name ${pdev}
> ip link set ${tdev} name ${bridge}
>
>
>  Thank you guys
>
> On Mon, Nov 28, 2011 at 4:48 PM, Szalai Bal=C3=A1zs <szalaib@econsys.hu> =
wrote:
>
>>  Hi!
>>
>>  This is a working configuration on Squeeze:
>>
>>  [/etc/network/interfaces]
>> auto eth1
>> iface eth1 inet manual
>>
>>  auto eth2
>> iface eth2 inet manual
>>
>>  auto bond0
>> iface bond0 inet manual
>>  slaves eth1 eth2
>>  bond-mode 4
>>  bond-miimon 100
>>  bond-lacp_rate 1
>>  bond-downdelay 200
>>  bond-updelay 200
>>
>>  auto br0
>> iface br0 inet static
>>  bridge_ports bond0
>>  address 172.16.1.140
>>  netmask 255.255.255.0
>>  gateway 172.16.1.52
>>  bridge_stp on
>>  bridge_fd 0
>>
>>  [domU vif config]
>> vif         =3D [ 'bridge=3Dbr0,ip=3D172.16.1.141,mac=3D00:16:3E:75:05:9=
0' ]
>>
>>  [brctl show]
>> bridge name bridge id STP enabled interfaces
>> br0 8000.001b219c5eae yes bond0
>>         vif18.0
>>
>>  2011/11/28 Fran Rodr=C3=ADguez <fran.clasico@gmail.com>
>>
>>>  hi list,
>>>
>>>  I got a problem with this stuff for a long time, and the problema come
>>> when we update our servers to the version Squeeze, on Lenny it works
>>> perfectly. On squeeze machines the bonding works ok until i install the=
 xen
>>> system. I saw many tutorials on internet and i dont know what to do mor=
e.
>>> Anyone could explain what its the normal process to get work this featu=
re?
>>> or tell me where i can read something ? i am very frustrated.
>>>
>>>  Thanks
>>>  --
>>> Fran Rodr=C3=ADguez
>>> escala NetLabel
>>> http://escalared.com
>>>
>>>  _______________________________________________
>>> Xen-users mailing list
>>> Xen-users@lists.xensource.com
>>> http://lists.xensource.com/xen-users
>>>
>>
>>
>>
>>  --
>>
>> =C3=9Cdv=C3=B6zlettel:  Szalai Bal=C3=A1zs
>>
>> EconSys Sz=C3=A1mviteli =C3=A9s Informatikai Kft.
>> Sz=C3=A9khely: Budapest, Als=C3=B3erd=C5=91sor utca 5.
>> Tel: +36 20 229-6669
>>
>>
>
>
>  --
> Fran Rodr=C3=ADguez
> escala NetLabel
> http://escalared.com
>
>
> _______________________________________________
> Xen-users mailing listXen-users@lists.xensource.comhttp://lists.xensource=
.com/xen-users
>
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>



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<br><br><div class=3D"gmail_quote">2011/11/28 Olivier Hanesse <span dir=3D"=
ltr">&lt;<a href=3D"mailto:olivier.hanesse@gmail.com">olivier.hanesse@gmail=
.com</a>&gt;</span><br><blockquote class=3D"gmail_quote" style=3D"margin:0 =
0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">

 =20
   =20
 =20
  <div bgcolor=3D"#FFFFFF" text=3D"#000000">
    Just disable the network-bridge script in the xend-config file.<br>
    <br></div></blockquote><div>+1 <br>In my =C2=A0=C2=A0/etc/xen/xend-conf=
ig.sxp the &quot;(network-script &#39;network-bridge&#39;)&quot; line comme=
nted out (using only the=C2=A0</div><div>=C2=A0(vif-script vif-bridge) )</d=
iv><div><br></div>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex;"><div bgcolor=3D"#FFFFFF" text=3D"#000000">
    Regards<br>
    <br>
    Le 28/11/2011 18:08, Fran Rodr=C3=ADguez a =C3=A9crit=C2=A0:
    <div><div class=3D"h5"><blockquote type=3D"cite">Thank you Szalai and O=
livier for the answers, i try
      thats configurations but it doesnt work for me... Ive been using
      xen system from repositories, my bonding.conf on /etc/modprobe.d/
      is
      <div><br>
      </div>
      <div>alias bond0 bonding</div>
      <div>options mode=3D1 ...</div>
      <div><br>
      </div>
      <div>And my interface file is like you told me. Well, when i
        restarted the machines, i got this for the screen :</div>
      <div>&quot;Cannot find device br0</div>
      <div>/etc/xen/scripts/network-bridge line240 sigerr: command not
        found&quot;</div>
      <div><br>
      </div>
      <div>The commando on that line is ip... ?=C2=BF and it exits. This is
        the lines, it seems something is missing... Any idea?=C2=BF=C2=A0=
=C2=A0 =C2=A0=C2=A0</div>
      <div><br>
      </div>
      <div>ip link set ${netdev} name ${pdev}</div>
      <div>ip link set ${tdev} name ${bridge}</div>
      <div><br>
      </div>
      <div><br>
      </div>
      <div>Thank you guys</div>
      <div><br>
        <div class=3D"gmail_quote">On Mon, Nov 28, 2011 at 4:48 PM, Szalai
          Bal=C3=A1zs <span dir=3D"ltr">&lt;<a href=3D"mailto:szalaib@econs=
ys.hu" target=3D"_blank">szalaib@econsys.hu</a>&gt;</span>
          wrote:<br>
          <blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;bord=
er-left:1px #ccc solid;padding-left:1ex">
            <div>
              <div>
                <div>Hi!</div>
                <div><br>
                </div>
                <div>This is a working configuration on Squeeze:</div>
                <div><br>
                </div>
                <div>[/etc/network/interfaces]</div>
                <div>auto eth1</div>
                <div>iface eth1 inet manual</div>
                <div><br>
                </div>
                <div>auto eth2</div>
                <div>iface eth2 inet manual</div>
                <div><br>
                </div>
                <div>auto bond0</div>
                <div>iface bond0 inet manual</div>
                <div><span style=3D"white-space:pre-wrap"> </span>slaves
                  eth1 eth2</div>
                <div><span style=3D"white-space:pre-wrap"> </span>bond-mode
                  4</div>
                <div><span style=3D"white-space:pre-wrap"> </span>bond-miim=
on
                  100</div>
                <div><span style=3D"white-space:pre-wrap"> </span>bond-lacp=
_rate
                  1</div>
                <div><span style=3D"white-space:pre-wrap"> </span>bond-down=
delay
                  200</div>
                <div><span style=3D"white-space:pre-wrap"> </span>bond-upde=
lay
                  200</div>
                <div><br>
                </div>
                <div>auto br0</div>
                <div>iface br0 inet static</div>
                <div><span style=3D"white-space:pre-wrap"> </span>bridge_po=
rts
                  bond0</div>
                <div><span style=3D"white-space:pre-wrap"> </span>address
                  172.16.1.140</div>
                <div><span style=3D"white-space:pre-wrap"> </span>netmask
                  255.255.255.0</div>
                <div><span style=3D"white-space:pre-wrap"> </span>gateway
                  172.16.1.52</div>
                <div><span style=3D"white-space:pre-wrap"> </span>bridge_st=
p
                  on</div>
                <div><span style=3D"white-space:pre-wrap"> </span>bridge_fd
                  0</div>
                <div><br>
                </div>
                <div>[domU vif config]</div>
                <div>vif =C2=A0 =C2=A0 =C2=A0 =C2=A0 =3D [
                  &#39;bridge=3Dbr0,ip=3D172.16.1.141,mac=3D00:16:3E:75:05:=
90&#39; ]</div>
                <div><br>
                </div>
                <div>[brctl show]</div>
                <div>bridge name<span style=3D"white-space:pre-wrap"> </spa=
n>bridge
                  id<span style=3D"white-space:pre-wrap"> </span>STP
                  enabled<span style=3D"white-space:pre-wrap"> </span>inter=
faces</div>
                <div>br0<span style=3D"white-space:pre-wrap"> </span>8000.0=
01b219c5eae<span style=3D"white-space:pre-wrap"> </span>yes<span style=3D"w=
hite-space:pre-wrap"> </span>bond0</div>
                <div><span style=3D"white-space:pre-wrap"> </span> =C2=A0 =
=C2=A0 =C2=A0
                  =C2=A0vif18.0</div>
                <br>
              </div>
            </div>
            <div class=3D"gmail_quote">2011/11/28 Fran Rodr=C3=ADguez <span=
 dir=3D"ltr">&lt;<a href=3D"mailto:fran.clasico@gmail.com" target=3D"_blank=
">fran.clasico@gmail.com</a>&gt;</span><br>
              <blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;=
border-left:1px #ccc solid;padding-left:1ex">
                <div>
                  <div>hi list,=C2=A0
                    <div><br>
                    </div>
                    <div>I got a problem with this stuff for a long
                      time, and the problema come when we update our
                      servers to the version Squeeze, on Lenny it works
                      perfectly. On squeeze machines the bonding works
                      ok until i install the xen system. I saw many
                      tutorials on internet and i dont know what to do
                      more. Anyone could explain what its the normal
                      process to get work this feature? or tell me where
                      i can read something ? i am very frustrated.=C2=A0</d=
iv>
                    <div><br>
                    </div>
                    <div>Thanks</div>
                    <span><font color=3D"#888888">
                        <div>-- <br>
                          Fran Rodr=C3=ADguez<br>
                          escala NetLabel<br>
                          <a href=3D"http://escalared.com" target=3D"_blank=
">http://escalared.com</a><br>
                        </div>
                      </font></span><br>
                  </div>
                </div>
                <div>_______________________________________________<br>
                  Xen-users mailing list<br>
                  <a href=3D"mailto:Xen-users@lists.xensource.com" target=
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=3D"_blank">http://lists.xensource.com/xen-users</a><br>
                </div>
              </blockquote>
            </div>
            <div>
              <div><br>
                <br clear=3D"all">
                <div><br>
                </div>
                -- <br>
                <p>=C3=9Cdv=C3=B6zlettel: =C2=A0Szalai Bal=C3=A1zs</p>
                <p>EconSys Sz=C3=A1mviteli =C3=A9s Informatikai Kft.<br>
                  Sz=C3=A9khely: Budapest, Als=C3=B3erd=C5=91sor utca=C2=A0=
5.=C2=A0<br>
                  Tel: <a href=3D"tel:%2B36%2020%20229-6669" value=3D"+3620=
2296669" target=3D"_blank">+36 20 229-6669</a></p>
                <br>
              </div>
            </div>
          </blockquote>
        </div>
        <br>
        <br clear=3D"all">
        <div><br>
        </div>
        -- <br>
        Fran Rodr=C3=ADguez<br>
        escala NetLabel<br>
        <a href=3D"http://escalared.com" target=3D"_blank">http://escalared=
.com</a><br>
      </div>
      <br>
      <fieldset></fieldset>
      <br>
      <pre>_______________________________________________
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<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a></pre>
    </blockquote>
    <br>
  </div></div></div>

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Date: Mon, 28 Nov 2011 19:11:54 +0100
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From: =?UTF-8?Q?Szalai_Bal=C3=A1zs?= <szalaib@econsys.hu>
To: Olivier Hanesse <olivier.hanesse@gmail.com>
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Subject: Re: [Xen-users] Nic Bonding xen 4-0 squeeze
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2011/11/28 Olivier Hanesse <olivier.hanesse@gmail.com>

>  Just disable the network-bridge script in the xend-config file.
>
> +1
In my   /etc/xen/xend-config.sxp the "(network-script 'network-bridge')"
line commented out (using only the
 (vif-script vif-bridge) )

Regards
>
> Le 28/11/2011 18:08, Fran Rodr=C3=ADguez a =C3=A9crit :
>
> Thank you Szalai and Olivier for the answers, i try thats configurations
> but it doesnt work for me... Ive been using xen system from repositories,
> my bonding.conf on /etc/modprobe.d/ is
>
>  alias bond0 bonding
> options mode=3D1 ...
>
>  And my interface file is like you told me. Well, when i restarted the
> machines, i got this for the screen :
> "Cannot find device br0
> /etc/xen/scripts/network-bridge line240 sigerr: command not found"
>
>  The commando on that line is ip... ?=C2=BF and it exits. This is the lin=
es,
> it seems something is missing... Any idea?=C2=BF
>
>  ip link set ${netdev} name ${pdev}
> ip link set ${tdev} name ${bridge}
>
>
>  Thank you guys
>
> On Mon, Nov 28, 2011 at 4:48 PM, Szalai Bal=C3=A1zs <szalaib@econsys.hu> =
wrote:
>
>>  Hi!
>>
>>  This is a working configuration on Squeeze:
>>
>>  [/etc/network/interfaces]
>> auto eth1
>> iface eth1 inet manual
>>
>>  auto eth2
>> iface eth2 inet manual
>>
>>  auto bond0
>> iface bond0 inet manual
>>  slaves eth1 eth2
>>  bond-mode 4
>>  bond-miimon 100
>>  bond-lacp_rate 1
>>  bond-downdelay 200
>>  bond-updelay 200
>>
>>  auto br0
>> iface br0 inet static
>>  bridge_ports bond0
>>  address 172.16.1.140
>>  netmask 255.255.255.0
>>  gateway 172.16.1.52
>>  bridge_stp on
>>  bridge_fd 0
>>
>>  [domU vif config]
>> vif         =3D [ 'bridge=3Dbr0,ip=3D172.16.1.141,mac=3D00:16:3E:75:05:9=
0' ]
>>
>>  [brctl show]
>> bridge name bridge id STP enabled interfaces
>> br0 8000.001b219c5eae yes bond0
>>         vif18.0
>>
>>  2011/11/28 Fran Rodr=C3=ADguez <fran.clasico@gmail.com>
>>
>>>  hi list,
>>>
>>>  I got a problem with this stuff for a long time, and the problema come
>>> when we update our servers to the version Squeeze, on Lenny it works
>>> perfectly. On squeeze machines the bonding works ok until i install the=
 xen
>>> system. I saw many tutorials on internet and i dont know what to do mor=
e.
>>> Anyone could explain what its the normal process to get work this featu=
re?
>>> or tell me where i can read something ? i am very frustrated.
>>>
>>>  Thanks
>>>  --
>>> Fran Rodr=C3=ADguez
>>> escala NetLabel
>>> http://escalared.com
>>>
>>>  _______________________________________________
>>> Xen-users mailing list
>>> Xen-users@lists.xensource.com
>>> http://lists.xensource.com/xen-users
>>>
>>
>>
>>
>>  --
>>
>> =C3=9Cdv=C3=B6zlettel:  Szalai Bal=C3=A1zs
>>
>> EconSys Sz=C3=A1mviteli =C3=A9s Informatikai Kft.
>> Sz=C3=A9khely: Budapest, Als=C3=B3erd=C5=91sor utca 5.
>> Tel: +36 20 229-6669
>>
>>
>
>
>  --
> Fran Rodr=C3=ADguez
> escala NetLabel
> http://escalared.com
>
>
> _______________________________________________
> Xen-users mailing listXen-users@lists.xensource.comhttp://lists.xensource=
.com/xen-users
>
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>



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<br><br><div class=3D"gmail_quote">2011/11/28 Olivier Hanesse <span dir=3D"=
ltr">&lt;<a href=3D"mailto:olivier.hanesse@gmail.com">olivier.hanesse@gmail=
.com</a>&gt;</span><br><blockquote class=3D"gmail_quote" style=3D"margin:0 =
0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">

 =20
   =20
 =20
  <div bgcolor=3D"#FFFFFF" text=3D"#000000">
    Just disable the network-bridge script in the xend-config file.<br>
    <br></div></blockquote><div>+1 <br>In my =C2=A0=C2=A0/etc/xen/xend-conf=
ig.sxp the &quot;(network-script &#39;network-bridge&#39;)&quot; line comme=
nted out (using only the=C2=A0</div><div>=C2=A0(vif-script vif-bridge) )</d=
iv><div><br></div>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex;"><div bgcolor=3D"#FFFFFF" text=3D"#000000">
    Regards<br>
    <br>
    Le 28/11/2011 18:08, Fran Rodr=C3=ADguez a =C3=A9crit=C2=A0:
    <div><div class=3D"h5"><blockquote type=3D"cite">Thank you Szalai and O=
livier for the answers, i try
      thats configurations but it doesnt work for me... Ive been using
      xen system from repositories, my bonding.conf on /etc/modprobe.d/
      is
      <div><br>
      </div>
      <div>alias bond0 bonding</div>
      <div>options mode=3D1 ...</div>
      <div><br>
      </div>
      <div>And my interface file is like you told me. Well, when i
        restarted the machines, i got this for the screen :</div>
      <div>&quot;Cannot find device br0</div>
      <div>/etc/xen/scripts/network-bridge line240 sigerr: command not
        found&quot;</div>
      <div><br>
      </div>
      <div>The commando on that line is ip... ?=C2=BF and it exits. This is
        the lines, it seems something is missing... Any idea?=C2=BF=C2=A0=
=C2=A0 =C2=A0=C2=A0</div>
      <div><br>
      </div>
      <div>ip link set ${netdev} name ${pdev}</div>
      <div>ip link set ${tdev} name ${bridge}</div>
      <div><br>
      </div>
      <div><br>
      </div>
      <div>Thank you guys</div>
      <div><br>
        <div class=3D"gmail_quote">On Mon, Nov 28, 2011 at 4:48 PM, Szalai
          Bal=C3=A1zs <span dir=3D"ltr">&lt;<a href=3D"mailto:szalaib@econs=
ys.hu" target=3D"_blank">szalaib@econsys.hu</a>&gt;</span>
          wrote:<br>
          <blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;bord=
er-left:1px #ccc solid;padding-left:1ex">
            <div>
              <div>
                <div>Hi!</div>
                <div><br>
                </div>
                <div>This is a working configuration on Squeeze:</div>
                <div><br>
                </div>
                <div>[/etc/network/interfaces]</div>
                <div>auto eth1</div>
                <div>iface eth1 inet manual</div>
                <div><br>
                </div>
                <div>auto eth2</div>
                <div>iface eth2 inet manual</div>
                <div><br>
                </div>
                <div>auto bond0</div>
                <div>iface bond0 inet manual</div>
                <div><span style=3D"white-space:pre-wrap"> </span>slaves
                  eth1 eth2</div>
                <div><span style=3D"white-space:pre-wrap"> </span>bond-mode
                  4</div>
                <div><span style=3D"white-space:pre-wrap"> </span>bond-miim=
on
                  100</div>
                <div><span style=3D"white-space:pre-wrap"> </span>bond-lacp=
_rate
                  1</div>
                <div><span style=3D"white-space:pre-wrap"> </span>bond-down=
delay
                  200</div>
                <div><span style=3D"white-space:pre-wrap"> </span>bond-upde=
lay
                  200</div>
                <div><br>
                </div>
                <div>auto br0</div>
                <div>iface br0 inet static</div>
                <div><span style=3D"white-space:pre-wrap"> </span>bridge_po=
rts
                  bond0</div>
                <div><span style=3D"white-space:pre-wrap"> </span>address
                  172.16.1.140</div>
                <div><span style=3D"white-space:pre-wrap"> </span>netmask
                  255.255.255.0</div>
                <div><span style=3D"white-space:pre-wrap"> </span>gateway
                  172.16.1.52</div>
                <div><span style=3D"white-space:pre-wrap"> </span>bridge_st=
p
                  on</div>
                <div><span style=3D"white-space:pre-wrap"> </span>bridge_fd
                  0</div>
                <div><br>
                </div>
                <div>[domU vif config]</div>
                <div>vif =C2=A0 =C2=A0 =C2=A0 =C2=A0 =3D [
                  &#39;bridge=3Dbr0,ip=3D172.16.1.141,mac=3D00:16:3E:75:05:=
90&#39; ]</div>
                <div><br>
                </div>
                <div>[brctl show]</div>
                <div>bridge name<span style=3D"white-space:pre-wrap"> </spa=
n>bridge
                  id<span style=3D"white-space:pre-wrap"> </span>STP
                  enabled<span style=3D"white-space:pre-wrap"> </span>inter=
faces</div>
                <div>br0<span style=3D"white-space:pre-wrap"> </span>8000.0=
01b219c5eae<span style=3D"white-space:pre-wrap"> </span>yes<span style=3D"w=
hite-space:pre-wrap"> </span>bond0</div>
                <div><span style=3D"white-space:pre-wrap"> </span> =C2=A0 =
=C2=A0 =C2=A0
                  =C2=A0vif18.0</div>
                <br>
              </div>
            </div>
            <div class=3D"gmail_quote">2011/11/28 Fran Rodr=C3=ADguez <span=
 dir=3D"ltr">&lt;<a href=3D"mailto:fran.clasico@gmail.com" target=3D"_blank=
">fran.clasico@gmail.com</a>&gt;</span><br>
              <blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;=
border-left:1px #ccc solid;padding-left:1ex">
                <div>
                  <div>hi list,=C2=A0
                    <div><br>
                    </div>
                    <div>I got a problem with this stuff for a long
                      time, and the problema come when we update our
                      servers to the version Squeeze, on Lenny it works
                      perfectly. On squeeze machines the bonding works
                      ok until i install the xen system. I saw many
                      tutorials on internet and i dont know what to do
                      more. Anyone could explain what its the normal
                      process to get work this feature? or tell me where
                      i can read something ? i am very frustrated.=C2=A0</d=
iv>
                    <div><br>
                    </div>
                    <div>Thanks</div>
                    <span><font color=3D"#888888">
                        <div>-- <br>
                          Fran Rodr=C3=ADguez<br>
                          escala NetLabel<br>
                          <a href=3D"http://escalared.com" target=3D"_blank=
">http://escalared.com</a><br>
                        </div>
                      </font></span><br>
                  </div>
                </div>
                <div>_______________________________________________<br>
                  Xen-users mailing list<br>
                  <a href=3D"mailto:Xen-users@lists.xensource.com" target=
=3D"_blank">Xen-users@lists.xensource.com</a><br>
                  <a href=3D"http://lists.xensource.com/xen-users" target=
=3D"_blank">http://lists.xensource.com/xen-users</a><br>
                </div>
              </blockquote>
            </div>
            <div>
              <div><br>
                <br clear=3D"all">
                <div><br>
                </div>
                -- <br>
                <p>=C3=9Cdv=C3=B6zlettel: =C2=A0Szalai Bal=C3=A1zs</p>
                <p>EconSys Sz=C3=A1mviteli =C3=A9s Informatikai Kft.<br>
                  Sz=C3=A9khely: Budapest, Als=C3=B3erd=C5=91sor utca=C2=A0=
5.=C2=A0<br>
                  Tel: <a href=3D"tel:%2B36%2020%20229-6669" value=3D"+3620=
2296669" target=3D"_blank">+36 20 229-6669</a></p>
                <br>
              </div>
            </div>
          </blockquote>
        </div>
        <br>
        <br clear=3D"all">
        <div><br>
        </div>
        -- <br>
        Fran Rodr=C3=ADguez<br>
        escala NetLabel<br>
        <a href=3D"http://escalared.com" target=3D"_blank">http://escalared=
.com</a><br>
      </div>
      <br>
      <fieldset></fieldset>
      <br>
      <pre>_______________________________________________
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ists.xensource.com/xen-users</a></pre>
    </blockquote>
    <br>
  </div></div></div>

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ists.xensource.com/xen-users</a><br></blockquote></div><br><br clear=3D"all=
"><div><br></div>-- <br><p><br></p>

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Dom0 blkback on upstream kernel have barrier support only start from 3.2, set
barrier=0 on fstab for not show error with kernel 3.0 or 3.1

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Dom0 blkback on upstream kernel have barrier support only start from 3.2, set
barrier=0 on fstab for not show error with kernel 3.0 or 3.1

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Just saw it: thank you!
It also seems as if the templates, etc. to do this are relatively 
straight-forward. Do let me know if you need any help, notice odd 
things, etc.
Regards
Lars

On 01/12/2011 08:47, eva wrote:
> My first page in the wiki
>
> http://wiki.xen.org/wiki/Main_Page/es
>
> yay! :D Thanks for the effort!
>


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Just saw it: thank you!
It also seems as if the templates, etc. to do this are relatively 
straight-forward. Do let me know if you need any help, notice odd 
things, etc.
Regards
Lars

On 01/12/2011 08:47, eva wrote:
> My first page in the wiki
>
> http://wiki.xen.org/wiki/Main_Page/es
>
> yay! :D Thanks for the effort!
>


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Il giorno 01/dic/2011, alle ore 11:41, Fantu ha scritto:
> Dom0 blkback on upstream kernel have barrier support only start from 3.2, set barrier=0 on fstab for not show error with kernel 3.0 or 3.1
Thanks for the tip. It pointed me in the right direction to find out something more.

Now, this problem seems to be connected with the issues discussed in this thread: http://old-list-archives.xen.org/archives/html/xen-devel/2011-09/msg00385.html

If I understood correctly the whole issue is:
- my dom0 (2.6.38.x derived from Suse) does not advertise/support flush-cache, does advertise feature-barrier="1" (checked with xenstore-ls), but does not actually have the WRITE_BARRIER functionality
- the domU (3.0.x) sees the feature-barrier and tries to use them but then fails because dom0 doesn't actually implement them
- turning barriers off in ext3 makes the log line disappear unless you use something else that triggers the usage of barriers (eg mkfs.ext3/.ext4, or anything WRITE_ODIRECT)
- but then you're running with no barrier or similar functionality so that will expose the system to corruption during hard crashes or power outages

If I update my dom0 kernels to newer ones they should advertise feature-flush-cache="1" (should be in linux >= 3.0 afaik) and my domU will stop trying to use barriers and use flush-cache instead. Problem solved there.

But what about older domU systems, like Ubuntu 10.xx linux-xen kernels, or HVM Windows guests with GPLPV drivers? Will they work correctly on newer dom0 with flush-cache and without barriers? I seem to understand that there isn't any dom0 kernel available which actually implements both barriers (for older domU systems) and flush-cache (for newer ones)?

What if I turn back to an older dom0 kernel which implements barriers? (should be kernels before 2.6.37 afaik)
Would that make any 'generation' of dom0 systems happily use barriers and prevent the above mentioned corruption risks?

Thanks.
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Subject: Re: [Xen-users] blkfront: barrier: empty write op failed
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Il giorno 01/dic/2011, alle ore 11:41, Fantu ha scritto:
> Dom0 blkback on upstream kernel have barrier support only start from 3.2, set barrier=0 on fstab for not show error with kernel 3.0 or 3.1
Thanks for the tip. It pointed me in the right direction to find out something more.

Now, this problem seems to be connected with the issues discussed in this thread: http://old-list-archives.xen.org/archives/html/xen-devel/2011-09/msg00385.html

If I understood correctly the whole issue is:
- my dom0 (2.6.38.x derived from Suse) does not advertise/support flush-cache, does advertise feature-barrier="1" (checked with xenstore-ls), but does not actually have the WRITE_BARRIER functionality
- the domU (3.0.x) sees the feature-barrier and tries to use them but then fails because dom0 doesn't actually implement them
- turning barriers off in ext3 makes the log line disappear unless you use something else that triggers the usage of barriers (eg mkfs.ext3/.ext4, or anything WRITE_ODIRECT)
- but then you're running with no barrier or similar functionality so that will expose the system to corruption during hard crashes or power outages

If I update my dom0 kernels to newer ones they should advertise feature-flush-cache="1" (should be in linux >= 3.0 afaik) and my domU will stop trying to use barriers and use flush-cache instead. Problem solved there.

But what about older domU systems, like Ubuntu 10.xx linux-xen kernels, or HVM Windows guests with GPLPV drivers? Will they work correctly on newer dom0 with flush-cache and without barriers? I seem to understand that there isn't any dom0 kernel available which actually implements both barriers (for older domU systems) and flush-cache (for newer ones)?

What if I turn back to an older dom0 kernel which implements barriers? (should be kernels before 2.6.37 afaik)
Would that make any 'generation' of dom0 systems happily use barriers and prevent the above mentioned corruption risks?

Thanks.
--
Luca Lesinigo
_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
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Subject: Re: [Xen-users] How to make a P2V domU be recognized by Xend
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Hi Kyle=2C
Thanks so much for your time and advice=2C I must say it's been far much he=
lpful and I appreciate it. I have upgraded to the most recent version of li=
bvirt for AMD64 architecture which is 0.9.2-7(http://packages.debian.org/sq=
ueeze-backports/amd64/libvirt0/download) and this is the result:
root@neutrino:~# virsh versionCompiled against library: libvir 0.9.2Using l=
ibrary: libvir 0.9.2Using API: Xen 3.0.1Running hypervisor: Xen 4.1.0root@n=
eutrino:~#=20
The UNIX socket interface is enabled: (xend-unix-server yes). No clue about=
 the Xen API line yet.
Here is a new phenomenon though:root@neutrino:~# virsh -c xen:/// domxml-fr=
om-native xen-xm winxp.cfg > config.xml error: An error occurred=2C but the=
 cause is unknownroot@neutrino:~#=20
As you've perfectly described I can actually start the domain using: #xm cr=
eate winxp.cfg. And again=2C the control is managed by xm and # virsh list =
--all doesn't show anything. Virsh cannot create the domain since it is not=
 in an XML format nor can it start it because it is not a libvirt managed d=
omain.  There are no last entries either in /var/log/messages or /var/log/l=
ibvirt/libvirtd.log. Virsh and virt-manager are working fine and can indeed=
 connect to the hypervisor.
And just one last question: remus (for HA)=2C is independent of all the lib=
virt management and workarounds? I mean=2C can I use both things at the sam=
e time?=2C  because I see virsh / virt-manager can in fact migrate domains=
=2C but it is just live-migration and not intended for HA.
Thank you once again!
Tony.
___________________________________________________________________________=
____________
> From: kyl191@kyl191.net
> Date: Thu=2C 1 Dec 2011 11:34:06 +0800
> Subject: Re: [Xen-users] How to make a P2V domU be recognized by Xend
> To: dftonywhite@hotmail.com
> CC: xen-users@lists.xensource.com
>=20
> Hi Tony=2C
> Those errors look like something's wrong with libvirt -
> http://wiki.libvirt.org/page/FAQ#error:_Unknown_Failure mentions that
> the "Unknown failure" messages are a result of bad error reporting in
> libvirt=2C but says more details should be available in dmesg and
> /var/log/messages.log
>=20
> Those libvirt versions are quite old though - I'm guessing Debian 6 is
> the stable release? http://packages.debian.org/stable/libvirt-bin says
> the version is still 0.8.3-5+squeeze2=2C when the latest release is
> 0.9.7 (http://libvirt.org/sources/)
>=20
> Any chance of using a backport?
> http://packages.debian.org/squeeze-backports/libvirt-bin is 0.9.6=2C so
> that might work better. I'm just wondering about the Xen API line -
> 4.0 to 4.1 made a number of changes=2C so I don't know what 3.0.1 to
> 4.1.0 would be like=2C and I'm thinking that might be the source of the
> errors.
>=20
> That said - your config file is a standard Xen config file=2C so it's
> strange that it'd be in /var/lib/xend/domains. You can get around
> virsh to at least see if it starts - Put the config (or a copy) in
> /etc/xen=2C and try xm create -c /etc/xen/filename. That should at least
> get Xen starting the domU=2C but not managing it yet.
>=20
> - Kyle
>=20
> On Thu=2C Dec 1=2C 2011 at 5:40 AM=2C Antonio Colin <dftonywhite@hotmail.=
com> wrote:
> > Hi Kyle=2C
> >
> > Sorry for late reply but I was trying this=2C finally I got this error:
> >
> > root@neutrino:~# virsh -c xen:/// domxml-from-native xen-xm winxp.cfg
> > error: Unknown failure
> > root@neutrino:~# virsh domxml-from-native xen-xm winxp.cfg > config.xml=
 &&
> > virsh define config.xml
> > error: Unknown failure
> > root@neutrino:~#
> >
> > My config file is Python format and it's here: http://pastebin.com/yc9q=
BSSJ
> > And the libvirt and hypervisor versions I am using are these:
> >
> > root@neutrino:~# virsh version
> > Compiled against library: libvir 0.8.3
> > Using library: libvir 0.8.3
> > Using API: Xen 3.0.1
> > Running hypervisor: Xen 4.1.0
> > root@neutrino:~#
> >
> > Thank you=2C
> > Tony.
> > ________________________________
> > Date: Sun=2C 27 Nov 2011 10:14:42 +0800
> > From: kyl191@kyl191.net
> > To: dftonywhite@hotmail.com
> > CC: xen-users@lists.xensource.com
> > Subject: Re: [Xen-users] How to make a P2V domU be recognized by Xend
> >
> >
> > Hi=2C
> > What config file format do you have? A xml file=2C the native xen confi=
g file
> > (just a check of python code) or the config.sxp format?
> >
> > You'll need to get xend to recognise the config file first=2C and to do=
 that
> > you'll need to import it. virsh has a number of tools to help with that=
 - if
> > you have a python config=2C you can do a
> >
> > virsh domxml-from-native config.file > config.xml && virsh define confi=
g.xml
> >
> > If you have the config.sxp format=2C I'm afraid I've got no clue how to=
 help
> > you - From what I understand it's a copy of the stuff in xenstore=2C so=
 I'm
> > not sure if you can simply create a folder with the domU's uuid and mov=
e the
> > config file there and expect it to work. You could try creating a nativ=
e xen
> > config file from the examples in /etc/xen=2C and just specify the disk =
image
> > to use=2C then just do a xm start config.file
> >
> > Hope that helped..
> >
> > - Kyle
> >
> > On 26/11/2011 3:12 PM=2C Antonio Colin wrote:
> >
> > Hi Guys=2C
> >
> > I have Debian 6 + Xen 4.1.1 and created a DomU with virt-manager after
> > creation:
> >
> > laptopvm:~# xm list
> > Name                                        ID   Mem VCPUs      State
> > Time(s)
> > Domain-0                                   0    1024     1
> > r-----    729.1
> > centos-4                                            512
> > 1                         0.0
> > laptopvm:~#
> >
> > Its config file is in:
> > /var/lib/xend/domains/c0e57693-78a5-0a0b-89b6-93034535ab5a/config.sxp
> >
> > Then I did a P2V of another OS and I have the *.img file and the config=
 file
> > but I
> > can't get Xen recognize it as another domU.
> >
> > How can I make Xen/Xend do that as well as generate the UUIDs for the d=
omU's
> > devices in its config.sxp file ?
> > Any useful commands?
> >
> > Regards=2C
> > Tony.
> >
> >
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@lists.xensource.com
> > http://lists.xensource.com/xen-users
> >
> >
 		 	   		  =

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<body class=3D'hmmessage'><div dir=3D'ltr'>
<div><font class=3D"Apple-style-span" size=3D"2" face=3D"Arial">Hi Kyle=2C<=
/font></div><div><font class=3D"Apple-style-span" size=3D"2" face=3D"Arial"=
><br></font></div><div><font class=3D"Apple-style-span" size=3D"2" face=3D"=
Arial">Thanks so much for your time and advice=2C I must say it's been&nbsp=
=3B</font><span class=3D"Apple-style-span" style=3D"font-family: Arial=3B f=
ont-size: 10pt=3B ">far much helpful and I appreciate it.&nbsp=3B</span></d=
iv><div><span class=3D"Apple-style-span" style=3D"font-family: Arial=3B fon=
t-size: 10pt=3B ">I have upgraded to the most recent&nbsp=3B</span><span cl=
ass=3D"Apple-style-span" style=3D"font-family: Arial=3B font-size: 10pt=3B =
">version of libvirt for AMD64 architecture which is 0.9.2-7</span></div><d=
iv><font class=3D"Apple-style-span" size=3D"2" face=3D"Arial">(<a href=3D"h=
ttp://packages.debian.org/squeeze-backports/amd64/libvirt0/download">http:/=
/packages.debian.org/squeeze-backports/amd64/libvirt0/download</a>) and thi=
s is the result:</font></div><div><font class=3D"Apple-style-span" size=3D"=
2" face=3D"Arial"><br></font></div><div><font class=3D"Apple-style-span" si=
ze=3D"2" face=3D"Arial">root@neutrino:~# virsh version</font></div><div><fo=
nt class=3D"Apple-style-span" size=3D"2" face=3D"Arial">Compiled against li=
brary: libvir 0.9.2</font></div><div><font class=3D"Apple-style-span" size=
=3D"2" face=3D"Arial">Using library: libvir 0.9.2</font></div><div><font cl=
ass=3D"Apple-style-span" size=3D"2" face=3D"Arial">Using API: Xen 3.0.1</fo=
nt></div><div><font class=3D"Apple-style-span" size=3D"2" face=3D"Arial">Ru=
nning hypervisor: Xen 4.1.0</font></div><div><font class=3D"Apple-style-spa=
n" size=3D"2" face=3D"Arial">root@neutrino:~#&nbsp=3B</font></div><div><fon=
t class=3D"Apple-style-span" size=3D"2" face=3D"Arial"><br></font></div><di=
v><font class=3D"Apple-style-span" size=3D"2" face=3D"Arial">The UNIX socke=
t interface is enabled: (xend-unix-server yes). No clue about the Xen API l=
ine yet.</font></div><div><font class=3D"Apple-style-span" size=3D"2" face=
=3D"Arial"><br></font></div><div><font class=3D"Apple-style-span" size=3D"2=
" face=3D"Arial">Here is a new phenomenon though:</font></div><div><font cl=
ass=3D"Apple-style-span" size=3D"2" face=3D"Arial">root@neutrino:~# virsh -=
c xen:/// domxml-from-native xen-xm winxp.cfg &gt=3B config.xml&nbsp=3B</fo=
nt></div><div><font class=3D"Apple-style-span" size=3D"2" face=3D"Arial">er=
ror: An error occurred=2C but the cause is unknown</font></div><div><font c=
lass=3D"Apple-style-span" size=3D"2" face=3D"Arial">root@neutrino:~#&nbsp=
=3B</font></div><div><font class=3D"Apple-style-span" size=3D"2" face=3D"Ar=
ial"><br></font></div><div><font class=3D"Apple-style-span" size=3D"2" face=
=3D"Arial">As you've perfectly described I can actually start the domain us=
ing: #xm create winxp.cfg. And again=2C the control is managed by&nbsp=3B</=
font></div><div><font class=3D"Apple-style-span" size=3D"2" face=3D"Arial">=
xm and # virsh list --all doesn't show anything. Virsh cannot create the do=
main since it is not in an XML format nor can it start it&nbsp=3B</font></d=
iv><div><font class=3D"Apple-style-span" size=3D"2" face=3D"Arial">because =
it is not a libvirt managed domain.</font></div><div><font class=3D"Apple-s=
tyle-span" size=3D"2" face=3D"Arial">&nbsp=3B&nbsp=3B</font></div><div><fon=
t class=3D"Apple-style-span" size=3D"2" face=3D"Arial">There are no last en=
tries either in /var/log/messages or /var/log/libvirt/libvirtd.log. Virsh a=
nd virt-manager are working fine and can&nbsp=3B</font></div><div><font cla=
ss=3D"Apple-style-span" size=3D"2" face=3D"Arial">indeed connect to&nbsp=3B=
</font><span class=3D"Apple-style-span" style=3D"font-family: Arial=3B font=
-size: 10pt=3B ">the hypervisor.</span></div><div><font class=3D"Apple-styl=
e-span" size=3D"2" face=3D"Arial"><br></font></div><div><font class=3D"Appl=
e-style-span" size=3D"2" face=3D"Arial">And just one last question: remus (=
for HA)=2C is independent of all the libvirt management and workarounds? I =
mean=2C can I use both things&nbsp=3B</font></div><div><font class=3D"Apple=
-style-span" size=3D"2" face=3D"Arial">at the same time?=2C &nbsp=3B</font>=
<span class=3D"Apple-style-span" style=3D"font-family: Arial=3B font-size: =
10pt=3B ">because I see virsh / virt-manager can in fact migrate domains=2C=
 but it is just live-migration and not intended for HA.</span></div><div><f=
ont class=3D"Apple-style-span" size=3D"2" face=3D"Arial"><br></font></div><=
div><font class=3D"Apple-style-span" size=3D"2" face=3D"Arial">Thank you on=
ce again!</font></div><div><font class=3D"Apple-style-span" size=3D"2" face=
=3D"Arial"><br></font></div><div><font class=3D"Apple-style-span" size=3D"2=
" face=3D"Arial">Tony.</font></div><div style=3D"font-family: Tahoma=3B fon=
t-size: 10pt=3B "><br></div><font class=3D"Apple-style-span" face=3D"Tahoma=
" size=3D"2">______________________________________________________________=
_________________________</font><br><div style=3D"font-family: Tahoma=3B fo=
nt-size: 10pt=3B ">&gt=3B From: kyl191@kyl191.net<br>&gt=3B Date: Thu=2C 1 =
Dec 2011 11:34:06 +0800<br>&gt=3B Subject: Re: [Xen-users] How to make a P2=
V domU be recognized by Xend<br>&gt=3B To: dftonywhite@hotmail.com<br>&gt=
=3B CC: xen-users@lists.xensource.com<br>&gt=3B <br>&gt=3B Hi Tony=2C<br>&g=
t=3B Those errors look like something's wrong with libvirt -<br>&gt=3B http=
://wiki.libvirt.org/page/FAQ#error:_Unknown_Failure mentions that<br>&gt=3B=
 the "Unknown failure" messages are a result of bad error reporting in<br>&=
gt=3B libvirt=2C but says more details should be available in dmesg and<br>=
&gt=3B /var/log/messages.log<br>&gt=3B <br>&gt=3B Those libvirt versions ar=
e quite old though - I'm guessing Debian 6 is<br>&gt=3B the stable release?=
 http://packages.debian.org/stable/libvirt-bin says<br>&gt=3B the version i=
s still 0.8.3-5+squeeze2=2C when the latest release is<br>&gt=3B 0.9.7 (htt=
p://libvirt.org/sources/)<br>&gt=3B <br>&gt=3B Any chance of using a backpo=
rt?<br>&gt=3B http://packages.debian.org/squeeze-backports/libvirt-bin is 0=
.9.6=2C so<br>&gt=3B that might work better. I'm just wondering about the X=
en API line -<br>&gt=3B 4.0 to 4.1 made a number of changes=2C so I don't k=
now what 3.0.1 to<br>&gt=3B 4.1.0 would be like=2C and I'm thinking that mi=
ght be the source of the<br>&gt=3B errors.<br>&gt=3B <br>&gt=3B That said -=
 your config file is a standard Xen config file=2C so it's<br>&gt=3B strang=
e that it'd be in /var/lib/xend/domains. You can get around<br>&gt=3B virsh=
 to at least see if it starts - Put the config (or a copy) in<br>&gt=3B /et=
c/xen=2C and try xm create -c /etc/xen/filename. That should at least<br>&g=
t=3B get Xen starting the domU=2C but not managing it yet.<br>&gt=3B <br>&g=
t=3B - Kyle<br>&gt=3B <br>&gt=3B On Thu=2C Dec 1=2C 2011 at 5:40 AM=2C Anto=
nio Colin &lt=3Bdftonywhite@hotmail.com&gt=3B wrote:<br>&gt=3B &gt=3B Hi Ky=
le=2C<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B Sorry for late reply but I was tryi=
ng this=2C finally I got this error:<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B root=
@neutrino:~# virsh -c xen:/// domxml-from-native xen-xm winxp.cfg<br>&gt=3B=
 &gt=3B error: Unknown failure<br>&gt=3B &gt=3B root@neutrino:~#&nbsp=3Bvir=
sh domxml-from-native xen-xm winxp.cfg &gt=3B config.xml &amp=3B&amp=3B<br>=
&gt=3B &gt=3B virsh define config.xml<br>&gt=3B &gt=3B error: Unknown failu=
re<br>&gt=3B &gt=3B root@neutrino:~#<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B My c=
onfig file is Python format and it's here:&nbsp=3Bhttp://pastebin.com/yc9qB=
SSJ<br>&gt=3B &gt=3B And the libvirt and hypervisor versions I am using are=
 these:<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B root@neutrino:~# virsh version<br=
>&gt=3B &gt=3B Compiled against library: libvir 0.8.3<br>&gt=3B &gt=3B Usin=
g library: libvir 0.8.3<br>&gt=3B &gt=3B Using API: Xen 3.0.1<br>&gt=3B &gt=
=3B Running hypervisor: Xen 4.1.0<br>&gt=3B &gt=3B root@neutrino:~#<br>&gt=
=3B &gt=3B<br>&gt=3B &gt=3B Thank you=2C<br>&gt=3B &gt=3B Tony.<br>&gt=3B &=
gt=3B ________________________________<br>&gt=3B &gt=3B Date: Sun=2C 27 Nov=
 2011 10:14:42 +0800<br>&gt=3B &gt=3B From: kyl191@kyl191.net<br>&gt=3B &gt=
=3B To: dftonywhite@hotmail.com<br>&gt=3B &gt=3B CC: xen-users@lists.xensou=
rce.com<br>&gt=3B &gt=3B Subject: Re: [Xen-users] How to make a P2V domU be=
 recognized by Xend<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B Hi=
=2C<br>&gt=3B &gt=3B What config file format do you have? A xml file=2C the=
 native xen config file<br>&gt=3B &gt=3B (just a check of python code) or t=
he config.sxp format?<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B You'll need to get =
xend to recognise the config file first=2C and to do that<br>&gt=3B &gt=3B =
you'll need to import it. virsh has a number of tools to help with that - i=
f<br>&gt=3B &gt=3B you have a python config=2C you can do a<br>&gt=3B &gt=
=3B<br>&gt=3B &gt=3B virsh domxml-from-native config.file &gt=3B config.xml=
 &amp=3B&amp=3B virsh define config.xml<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B I=
f you have the config.sxp format=2C I'm afraid I've got no clue how to help=
<br>&gt=3B &gt=3B you - From what I understand it's a copy of the stuff in =
xenstore=2C so I'm<br>&gt=3B &gt=3B not sure if you can simply create a fol=
der with the domU's uuid and move the<br>&gt=3B &gt=3B config file there an=
d expect it to work. You could try creating a native xen<br>&gt=3B &gt=3B c=
onfig file from the examples in /etc/xen=2C and just specify the disk image=
<br>&gt=3B &gt=3B to use=2C then just do a xm start config.file<br>&gt=3B &=
gt=3B<br>&gt=3B &gt=3B Hope that helped..<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B=
 - Kyle<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B On 26/11/2011 3:12 PM=2C Antonio =
Colin wrote:<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B Hi Guys=2C<br>&gt=3B &gt=3B<=
br>&gt=3B &gt=3B I have Debian 6 + Xen 4.1.1 and created a DomU with virt-m=
anager after<br>&gt=3B &gt=3B creation:<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B l=
aptopvm:~# xm list<br>&gt=3B &gt=3B Name&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nb=
sp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=
=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B=
&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nb=
sp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B ID&nbsp=3B&nbsp=3B Me=
m VCPUs&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B State<br>&gt=3B &gt=3B Time=
(s)<br>&gt=3B &gt=3B Domain-0&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=
=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B=
&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nb=
sp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=
=3B 0&nbsp=3B&nbsp=3B&nbsp=3B 1024&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B 1<br>&gt=
=3B &gt=3B r-----&nbsp=3B&nbsp=3B&nbsp=3B 729.1<br>&gt=3B &gt=3B centos-4&n=
bsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=
=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B=
&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nb=
sp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=
=3B&nbsp=3B &nbsp=3B &nbsp=3B 512<br>&gt=3B &gt=3B 1&nbsp=3B&nbsp=3B&nbsp=
=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B=
&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nb=
sp=3B&nbsp=3B&nbsp=3B 0.0<br>&gt=3B &gt=3B laptopvm:~#<br>&gt=3B &gt=3B<br>=
&gt=3B &gt=3B Its config file is in:<br>&gt=3B &gt=3B /var/lib/xend/domains=
/c0e57693-78a5-0a0b-89b6-93034535ab5a/config.sxp<br>&gt=3B &gt=3B<br>&gt=3B=
 &gt=3B Then I did a P2V of another OS and I have the *.img file and the co=
nfig file<br>&gt=3B &gt=3B but I<br>&gt=3B &gt=3B can't get Xen recognize i=
t as another domU.<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B How can I make Xen/Xen=
d do that as well as generate the UUIDs for the domU's<br>&gt=3B &gt=3B dev=
ices in its config.sxp file ?<br>&gt=3B &gt=3B Any useful commands?<br>&gt=
=3B &gt=3B<br>&gt=3B &gt=3B Regards=2C<br>&gt=3B &gt=3B Tony.<br>&gt=3B &gt=
=3B<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B ____________________=
___________________________<br>&gt=3B &gt=3B Xen-users mailing list<br>&gt=
=3B &gt=3B Xen-users@lists.xensource.com<br>&gt=3B &gt=3B http://lists.xens=
ource.com/xen-users<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B<br></div> 		 	   		  =
</div></body>
</html>=

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Subject: Re: [Xen-users] How to make a P2V domU be recognized by Xend
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Hi Kyle=2C
Thanks so much for your time and advice=2C I must say it's been far much he=
lpful and I appreciate it. I have upgraded to the most recent version of li=
bvirt for AMD64 architecture which is 0.9.2-7(http://packages.debian.org/sq=
ueeze-backports/amd64/libvirt0/download) and this is the result:
root@neutrino:~# virsh versionCompiled against library: libvir 0.9.2Using l=
ibrary: libvir 0.9.2Using API: Xen 3.0.1Running hypervisor: Xen 4.1.0root@n=
eutrino:~#=20
The UNIX socket interface is enabled: (xend-unix-server yes). No clue about=
 the Xen API line yet.
Here is a new phenomenon though:root@neutrino:~# virsh -c xen:/// domxml-fr=
om-native xen-xm winxp.cfg > config.xml error: An error occurred=2C but the=
 cause is unknownroot@neutrino:~#=20
As you've perfectly described I can actually start the domain using: #xm cr=
eate winxp.cfg. And again=2C the control is managed by xm and # virsh list =
--all doesn't show anything. Virsh cannot create the domain since it is not=
 in an XML format nor can it start it because it is not a libvirt managed d=
omain.  There are no last entries either in /var/log/messages or /var/log/l=
ibvirt/libvirtd.log. Virsh and virt-manager are working fine and can indeed=
 connect to the hypervisor.
And just one last question: remus (for HA)=2C is independent of all the lib=
virt management and workarounds? I mean=2C can I use both things at the sam=
e time?=2C  because I see virsh / virt-manager can in fact migrate domains=
=2C but it is just live-migration and not intended for HA.
Thank you once again!
Tony.
___________________________________________________________________________=
____________
> From: kyl191@kyl191.net
> Date: Thu=2C 1 Dec 2011 11:34:06 +0800
> Subject: Re: [Xen-users] How to make a P2V domU be recognized by Xend
> To: dftonywhite@hotmail.com
> CC: xen-users@lists.xensource.com
>=20
> Hi Tony=2C
> Those errors look like something's wrong with libvirt -
> http://wiki.libvirt.org/page/FAQ#error:_Unknown_Failure mentions that
> the "Unknown failure" messages are a result of bad error reporting in
> libvirt=2C but says more details should be available in dmesg and
> /var/log/messages.log
>=20
> Those libvirt versions are quite old though - I'm guessing Debian 6 is
> the stable release? http://packages.debian.org/stable/libvirt-bin says
> the version is still 0.8.3-5+squeeze2=2C when the latest release is
> 0.9.7 (http://libvirt.org/sources/)
>=20
> Any chance of using a backport?
> http://packages.debian.org/squeeze-backports/libvirt-bin is 0.9.6=2C so
> that might work better. I'm just wondering about the Xen API line -
> 4.0 to 4.1 made a number of changes=2C so I don't know what 3.0.1 to
> 4.1.0 would be like=2C and I'm thinking that might be the source of the
> errors.
>=20
> That said - your config file is a standard Xen config file=2C so it's
> strange that it'd be in /var/lib/xend/domains. You can get around
> virsh to at least see if it starts - Put the config (or a copy) in
> /etc/xen=2C and try xm create -c /etc/xen/filename. That should at least
> get Xen starting the domU=2C but not managing it yet.
>=20
> - Kyle
>=20
> On Thu=2C Dec 1=2C 2011 at 5:40 AM=2C Antonio Colin <dftonywhite@hotmail.=
com> wrote:
> > Hi Kyle=2C
> >
> > Sorry for late reply but I was trying this=2C finally I got this error:
> >
> > root@neutrino:~# virsh -c xen:/// domxml-from-native xen-xm winxp.cfg
> > error: Unknown failure
> > root@neutrino:~# virsh domxml-from-native xen-xm winxp.cfg > config.xml=
 &&
> > virsh define config.xml
> > error: Unknown failure
> > root@neutrino:~#
> >
> > My config file is Python format and it's here: http://pastebin.com/yc9q=
BSSJ
> > And the libvirt and hypervisor versions I am using are these:
> >
> > root@neutrino:~# virsh version
> > Compiled against library: libvir 0.8.3
> > Using library: libvir 0.8.3
> > Using API: Xen 3.0.1
> > Running hypervisor: Xen 4.1.0
> > root@neutrino:~#
> >
> > Thank you=2C
> > Tony.
> > ________________________________
> > Date: Sun=2C 27 Nov 2011 10:14:42 +0800
> > From: kyl191@kyl191.net
> > To: dftonywhite@hotmail.com
> > CC: xen-users@lists.xensource.com
> > Subject: Re: [Xen-users] How to make a P2V domU be recognized by Xend
> >
> >
> > Hi=2C
> > What config file format do you have? A xml file=2C the native xen confi=
g file
> > (just a check of python code) or the config.sxp format?
> >
> > You'll need to get xend to recognise the config file first=2C and to do=
 that
> > you'll need to import it. virsh has a number of tools to help with that=
 - if
> > you have a python config=2C you can do a
> >
> > virsh domxml-from-native config.file > config.xml && virsh define confi=
g.xml
> >
> > If you have the config.sxp format=2C I'm afraid I've got no clue how to=
 help
> > you - From what I understand it's a copy of the stuff in xenstore=2C so=
 I'm
> > not sure if you can simply create a folder with the domU's uuid and mov=
e the
> > config file there and expect it to work. You could try creating a nativ=
e xen
> > config file from the examples in /etc/xen=2C and just specify the disk =
image
> > to use=2C then just do a xm start config.file
> >
> > Hope that helped..
> >
> > - Kyle
> >
> > On 26/11/2011 3:12 PM=2C Antonio Colin wrote:
> >
> > Hi Guys=2C
> >
> > I have Debian 6 + Xen 4.1.1 and created a DomU with virt-manager after
> > creation:
> >
> > laptopvm:~# xm list
> > Name                                        ID   Mem VCPUs      State
> > Time(s)
> > Domain-0                                   0    1024     1
> > r-----    729.1
> > centos-4                                            512
> > 1                         0.0
> > laptopvm:~#
> >
> > Its config file is in:
> > /var/lib/xend/domains/c0e57693-78a5-0a0b-89b6-93034535ab5a/config.sxp
> >
> > Then I did a P2V of another OS and I have the *.img file and the config=
 file
> > but I
> > can't get Xen recognize it as another domU.
> >
> > How can I make Xen/Xend do that as well as generate the UUIDs for the d=
omU's
> > devices in its config.sxp file ?
> > Any useful commands?
> >
> > Regards=2C
> > Tony.
> >
> >
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@lists.xensource.com
> > http://lists.xensource.com/xen-users
> >
> >
 		 	   		  =

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<body class=3D'hmmessage'><div dir=3D'ltr'>
<div><font class=3D"Apple-style-span" size=3D"2" face=3D"Arial">Hi Kyle=2C<=
/font></div><div><font class=3D"Apple-style-span" size=3D"2" face=3D"Arial"=
><br></font></div><div><font class=3D"Apple-style-span" size=3D"2" face=3D"=
Arial">Thanks so much for your time and advice=2C I must say it's been&nbsp=
=3B</font><span class=3D"Apple-style-span" style=3D"font-family: Arial=3B f=
ont-size: 10pt=3B ">far much helpful and I appreciate it.&nbsp=3B</span></d=
iv><div><span class=3D"Apple-style-span" style=3D"font-family: Arial=3B fon=
t-size: 10pt=3B ">I have upgraded to the most recent&nbsp=3B</span><span cl=
ass=3D"Apple-style-span" style=3D"font-family: Arial=3B font-size: 10pt=3B =
">version of libvirt for AMD64 architecture which is 0.9.2-7</span></div><d=
iv><font class=3D"Apple-style-span" size=3D"2" face=3D"Arial">(<a href=3D"h=
ttp://packages.debian.org/squeeze-backports/amd64/libvirt0/download">http:/=
/packages.debian.org/squeeze-backports/amd64/libvirt0/download</a>) and thi=
s is the result:</font></div><div><font class=3D"Apple-style-span" size=3D"=
2" face=3D"Arial"><br></font></div><div><font class=3D"Apple-style-span" si=
ze=3D"2" face=3D"Arial">root@neutrino:~# virsh version</font></div><div><fo=
nt class=3D"Apple-style-span" size=3D"2" face=3D"Arial">Compiled against li=
brary: libvir 0.9.2</font></div><div><font class=3D"Apple-style-span" size=
=3D"2" face=3D"Arial">Using library: libvir 0.9.2</font></div><div><font cl=
ass=3D"Apple-style-span" size=3D"2" face=3D"Arial">Using API: Xen 3.0.1</fo=
nt></div><div><font class=3D"Apple-style-span" size=3D"2" face=3D"Arial">Ru=
nning hypervisor: Xen 4.1.0</font></div><div><font class=3D"Apple-style-spa=
n" size=3D"2" face=3D"Arial">root@neutrino:~#&nbsp=3B</font></div><div><fon=
t class=3D"Apple-style-span" size=3D"2" face=3D"Arial"><br></font></div><di=
v><font class=3D"Apple-style-span" size=3D"2" face=3D"Arial">The UNIX socke=
t interface is enabled: (xend-unix-server yes). No clue about the Xen API l=
ine yet.</font></div><div><font class=3D"Apple-style-span" size=3D"2" face=
=3D"Arial"><br></font></div><div><font class=3D"Apple-style-span" size=3D"2=
" face=3D"Arial">Here is a new phenomenon though:</font></div><div><font cl=
ass=3D"Apple-style-span" size=3D"2" face=3D"Arial">root@neutrino:~# virsh -=
c xen:/// domxml-from-native xen-xm winxp.cfg &gt=3B config.xml&nbsp=3B</fo=
nt></div><div><font class=3D"Apple-style-span" size=3D"2" face=3D"Arial">er=
ror: An error occurred=2C but the cause is unknown</font></div><div><font c=
lass=3D"Apple-style-span" size=3D"2" face=3D"Arial">root@neutrino:~#&nbsp=
=3B</font></div><div><font class=3D"Apple-style-span" size=3D"2" face=3D"Ar=
ial"><br></font></div><div><font class=3D"Apple-style-span" size=3D"2" face=
=3D"Arial">As you've perfectly described I can actually start the domain us=
ing: #xm create winxp.cfg. And again=2C the control is managed by&nbsp=3B</=
font></div><div><font class=3D"Apple-style-span" size=3D"2" face=3D"Arial">=
xm and # virsh list --all doesn't show anything. Virsh cannot create the do=
main since it is not in an XML format nor can it start it&nbsp=3B</font></d=
iv><div><font class=3D"Apple-style-span" size=3D"2" face=3D"Arial">because =
it is not a libvirt managed domain.</font></div><div><font class=3D"Apple-s=
tyle-span" size=3D"2" face=3D"Arial">&nbsp=3B&nbsp=3B</font></div><div><fon=
t class=3D"Apple-style-span" size=3D"2" face=3D"Arial">There are no last en=
tries either in /var/log/messages or /var/log/libvirt/libvirtd.log. Virsh a=
nd virt-manager are working fine and can&nbsp=3B</font></div><div><font cla=
ss=3D"Apple-style-span" size=3D"2" face=3D"Arial">indeed connect to&nbsp=3B=
</font><span class=3D"Apple-style-span" style=3D"font-family: Arial=3B font=
-size: 10pt=3B ">the hypervisor.</span></div><div><font class=3D"Apple-styl=
e-span" size=3D"2" face=3D"Arial"><br></font></div><div><font class=3D"Appl=
e-style-span" size=3D"2" face=3D"Arial">And just one last question: remus (=
for HA)=2C is independent of all the libvirt management and workarounds? I =
mean=2C can I use both things&nbsp=3B</font></div><div><font class=3D"Apple=
-style-span" size=3D"2" face=3D"Arial">at the same time?=2C &nbsp=3B</font>=
<span class=3D"Apple-style-span" style=3D"font-family: Arial=3B font-size: =
10pt=3B ">because I see virsh / virt-manager can in fact migrate domains=2C=
 but it is just live-migration and not intended for HA.</span></div><div><f=
ont class=3D"Apple-style-span" size=3D"2" face=3D"Arial"><br></font></div><=
div><font class=3D"Apple-style-span" size=3D"2" face=3D"Arial">Thank you on=
ce again!</font></div><div><font class=3D"Apple-style-span" size=3D"2" face=
=3D"Arial"><br></font></div><div><font class=3D"Apple-style-span" size=3D"2=
" face=3D"Arial">Tony.</font></div><div style=3D"font-family: Tahoma=3B fon=
t-size: 10pt=3B "><br></div><font class=3D"Apple-style-span" face=3D"Tahoma=
" size=3D"2">______________________________________________________________=
_________________________</font><br><div style=3D"font-family: Tahoma=3B fo=
nt-size: 10pt=3B ">&gt=3B From: kyl191@kyl191.net<br>&gt=3B Date: Thu=2C 1 =
Dec 2011 11:34:06 +0800<br>&gt=3B Subject: Re: [Xen-users] How to make a P2=
V domU be recognized by Xend<br>&gt=3B To: dftonywhite@hotmail.com<br>&gt=
=3B CC: xen-users@lists.xensource.com<br>&gt=3B <br>&gt=3B Hi Tony=2C<br>&g=
t=3B Those errors look like something's wrong with libvirt -<br>&gt=3B http=
://wiki.libvirt.org/page/FAQ#error:_Unknown_Failure mentions that<br>&gt=3B=
 the "Unknown failure" messages are a result of bad error reporting in<br>&=
gt=3B libvirt=2C but says more details should be available in dmesg and<br>=
&gt=3B /var/log/messages.log<br>&gt=3B <br>&gt=3B Those libvirt versions ar=
e quite old though - I'm guessing Debian 6 is<br>&gt=3B the stable release?=
 http://packages.debian.org/stable/libvirt-bin says<br>&gt=3B the version i=
s still 0.8.3-5+squeeze2=2C when the latest release is<br>&gt=3B 0.9.7 (htt=
p://libvirt.org/sources/)<br>&gt=3B <br>&gt=3B Any chance of using a backpo=
rt?<br>&gt=3B http://packages.debian.org/squeeze-backports/libvirt-bin is 0=
.9.6=2C so<br>&gt=3B that might work better. I'm just wondering about the X=
en API line -<br>&gt=3B 4.0 to 4.1 made a number of changes=2C so I don't k=
now what 3.0.1 to<br>&gt=3B 4.1.0 would be like=2C and I'm thinking that mi=
ght be the source of the<br>&gt=3B errors.<br>&gt=3B <br>&gt=3B That said -=
 your config file is a standard Xen config file=2C so it's<br>&gt=3B strang=
e that it'd be in /var/lib/xend/domains. You can get around<br>&gt=3B virsh=
 to at least see if it starts - Put the config (or a copy) in<br>&gt=3B /et=
c/xen=2C and try xm create -c /etc/xen/filename. That should at least<br>&g=
t=3B get Xen starting the domU=2C but not managing it yet.<br>&gt=3B <br>&g=
t=3B - Kyle<br>&gt=3B <br>&gt=3B On Thu=2C Dec 1=2C 2011 at 5:40 AM=2C Anto=
nio Colin &lt=3Bdftonywhite@hotmail.com&gt=3B wrote:<br>&gt=3B &gt=3B Hi Ky=
le=2C<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B Sorry for late reply but I was tryi=
ng this=2C finally I got this error:<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B root=
@neutrino:~# virsh -c xen:/// domxml-from-native xen-xm winxp.cfg<br>&gt=3B=
 &gt=3B error: Unknown failure<br>&gt=3B &gt=3B root@neutrino:~#&nbsp=3Bvir=
sh domxml-from-native xen-xm winxp.cfg &gt=3B config.xml &amp=3B&amp=3B<br>=
&gt=3B &gt=3B virsh define config.xml<br>&gt=3B &gt=3B error: Unknown failu=
re<br>&gt=3B &gt=3B root@neutrino:~#<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B My c=
onfig file is Python format and it's here:&nbsp=3Bhttp://pastebin.com/yc9qB=
SSJ<br>&gt=3B &gt=3B And the libvirt and hypervisor versions I am using are=
 these:<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B root@neutrino:~# virsh version<br=
>&gt=3B &gt=3B Compiled against library: libvir 0.8.3<br>&gt=3B &gt=3B Usin=
g library: libvir 0.8.3<br>&gt=3B &gt=3B Using API: Xen 3.0.1<br>&gt=3B &gt=
=3B Running hypervisor: Xen 4.1.0<br>&gt=3B &gt=3B root@neutrino:~#<br>&gt=
=3B &gt=3B<br>&gt=3B &gt=3B Thank you=2C<br>&gt=3B &gt=3B Tony.<br>&gt=3B &=
gt=3B ________________________________<br>&gt=3B &gt=3B Date: Sun=2C 27 Nov=
 2011 10:14:42 +0800<br>&gt=3B &gt=3B From: kyl191@kyl191.net<br>&gt=3B &gt=
=3B To: dftonywhite@hotmail.com<br>&gt=3B &gt=3B CC: xen-users@lists.xensou=
rce.com<br>&gt=3B &gt=3B Subject: Re: [Xen-users] How to make a P2V domU be=
 recognized by Xend<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B Hi=
=2C<br>&gt=3B &gt=3B What config file format do you have? A xml file=2C the=
 native xen config file<br>&gt=3B &gt=3B (just a check of python code) or t=
he config.sxp format?<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B You'll need to get =
xend to recognise the config file first=2C and to do that<br>&gt=3B &gt=3B =
you'll need to import it. virsh has a number of tools to help with that - i=
f<br>&gt=3B &gt=3B you have a python config=2C you can do a<br>&gt=3B &gt=
=3B<br>&gt=3B &gt=3B virsh domxml-from-native config.file &gt=3B config.xml=
 &amp=3B&amp=3B virsh define config.xml<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B I=
f you have the config.sxp format=2C I'm afraid I've got no clue how to help=
<br>&gt=3B &gt=3B you - From what I understand it's a copy of the stuff in =
xenstore=2C so I'm<br>&gt=3B &gt=3B not sure if you can simply create a fol=
der with the domU's uuid and move the<br>&gt=3B &gt=3B config file there an=
d expect it to work. You could try creating a native xen<br>&gt=3B &gt=3B c=
onfig file from the examples in /etc/xen=2C and just specify the disk image=
<br>&gt=3B &gt=3B to use=2C then just do a xm start config.file<br>&gt=3B &=
gt=3B<br>&gt=3B &gt=3B Hope that helped..<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B=
 - Kyle<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B On 26/11/2011 3:12 PM=2C Antonio =
Colin wrote:<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B Hi Guys=2C<br>&gt=3B &gt=3B<=
br>&gt=3B &gt=3B I have Debian 6 + Xen 4.1.1 and created a DomU with virt-m=
anager after<br>&gt=3B &gt=3B creation:<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B l=
aptopvm:~# xm list<br>&gt=3B &gt=3B Name&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nb=
sp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=
=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B=
&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nb=
sp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B ID&nbsp=3B&nbsp=3B Me=
m VCPUs&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B State<br>&gt=3B &gt=3B Time=
(s)<br>&gt=3B &gt=3B Domain-0&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=
=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B=
&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nb=
sp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=
=3B 0&nbsp=3B&nbsp=3B&nbsp=3B 1024&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B 1<br>&gt=
=3B &gt=3B r-----&nbsp=3B&nbsp=3B&nbsp=3B 729.1<br>&gt=3B &gt=3B centos-4&n=
bsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=
=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B=
&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nb=
sp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=
=3B&nbsp=3B &nbsp=3B &nbsp=3B 512<br>&gt=3B &gt=3B 1&nbsp=3B&nbsp=3B&nbsp=
=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B=
&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nb=
sp=3B&nbsp=3B&nbsp=3B 0.0<br>&gt=3B &gt=3B laptopvm:~#<br>&gt=3B &gt=3B<br>=
&gt=3B &gt=3B Its config file is in:<br>&gt=3B &gt=3B /var/lib/xend/domains=
/c0e57693-78a5-0a0b-89b6-93034535ab5a/config.sxp<br>&gt=3B &gt=3B<br>&gt=3B=
 &gt=3B Then I did a P2V of another OS and I have the *.img file and the co=
nfig file<br>&gt=3B &gt=3B but I<br>&gt=3B &gt=3B can't get Xen recognize i=
t as another domU.<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B How can I make Xen/Xen=
d do that as well as generate the UUIDs for the domU's<br>&gt=3B &gt=3B dev=
ices in its config.sxp file ?<br>&gt=3B &gt=3B Any useful commands?<br>&gt=
=3B &gt=3B<br>&gt=3B &gt=3B Regards=2C<br>&gt=3B &gt=3B Tony.<br>&gt=3B &gt=
=3B<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B ____________________=
___________________________<br>&gt=3B &gt=3B Xen-users mailing list<br>&gt=
=3B &gt=3B Xen-users@lists.xensource.com<br>&gt=3B &gt=3B http://lists.xens=
ource.com/xen-users<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B<br></div> 		 	   		  =
</div></body>
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Date: Thu, 01 Dec 2011 23:41:20 +0800
From: Kyle Lexmond <kyl191@kyl191.net>
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Subject: Re: [Xen-users] How to make a P2V domU be recognized by Xend
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Hi Tony,

I just tried converting your linked config file myself. I'm getting the 
same error message as you, so it seems to be a bug in virsh/libvirt. For 
the record, this is my system:

[root@elemental log]# virsh version
Compiled against library: libvir 0.9.6
Using library: libvir 0.9.6
Using API: Xen 0.9.6
Running hypervisor: Xen 4.1.0

I'd suggest filing a bug in Debian and attaching your config file as a 
reference. I'm going to poke around a bit more with the libvirt debug 
options when I get back from a trip on Sunday, and based on the results 
of that I might file a bug in Fedora too.

One thing you might be able to try - run "xm new config.file". It's 
listed under "Common 'xm' commands" as " Adds a domain to Xend domain 
management". That might get it into libvirt/virsh, it might not. On my 
system it's not working, complaining about "No module named lxml", so I 
need to go find the module & install it.

As for your Remus question, I've never used Remus before, but as far as 
I know, Remus + Xen/libvirt can be run independently. At one point in 
time there was mention of being able to specify a disk like 
'phy:remus:/dev/vg/lv' in your domain config file, and Xen would take 
care of some configuration options, but I'm not sure what happened to it.
Hopefully someone has a known-accurate answer.

Good luck!
- Kyle

On 1/12/2011 8:57 PM, Antonio Colin wrote:
> Hi Kyle,
>
> Thanks so much for your time and advice, I must say it's been far much 
> helpful and I appreciate it.
> I have upgraded to the most recent version of libvirt for AMD64 
> architecture which is 0.9.2-7
> (http://packages.debian.org/squeeze-backports/amd64/libvirt0/download) 
> and this is the result:
>
> root@neutrino:~# virsh version
> Compiled against library: libvir 0.9.2
> Using library: libvir 0.9.2
> Using API: Xen 3.0.1
> Running hypervisor: Xen 4.1.0
> root@neutrino:~#
>
> The UNIX socket interface is enabled: (xend-unix-server yes). No clue 
> about the Xen API line yet.
>
> Here is a new phenomenon though:
> root@neutrino:~# virsh -c xen:/// domxml-from-native xen-xm winxp.cfg 
> > config.xml
> error: An error occurred, but the cause is unknown
> root@neutrino:~#
>
> As you've perfectly described I can actually start the domain using: 
> #xm create winxp.cfg. And again, the control is managed by
> xm and # virsh list --all doesn't show anything. Virsh cannot create 
> the domain since it is not in an XML format nor can it start it
> because it is not a libvirt managed domain.
> There are no last entries either in /var/log/messages or 
> /var/log/libvirt/libvirtd.log. Virsh and virt-manager are working fine 
> and can
> indeed connect to the hypervisor.
>
> And just one last question: remus (for HA), is independent of all the 
> libvirt management and workarounds? I mean, can I use both things
> at the same time?, because I see virsh / virt-manager can in fact 
> migrate domains, but it is just live-migration and not intended for HA.
>
> Thank you once again!
>
> Tony.
>
> _______________________________________________________________________________________
> > From: kyl191@kyl191.net
> > Date: Thu, 1 Dec 2011 11:34:06 +0800
> > Subject: Re: [Xen-users] How to make a P2V domU be recognized by Xend
> > To: dftonywhite@hotmail.com
> > CC: xen-users@lists.xensource.com
> >
> > Hi Tony,
> > Those errors look like something's wrong with libvirt -
> > http://wiki.libvirt.org/page/FAQ#error:_Unknown_Failure mentions that
> > the "Unknown failure" messages are a result of bad error reporting in
> > libvirt, but says more details should be available in dmesg and
> > /var/log/messages.log
> >
> > Those libvirt versions are quite old though - I'm guessing Debian 6 is
> > the stable release? http://packages.debian.org/stable/libvirt-bin says
> > the version is still 0.8.3-5+squeeze2, when the latest release is
> > 0.9.7 (http://libvirt.org/sources/)
> >
> > Any chance of using a backport?
> > http://packages.debian.org/squeeze-backports/libvirt-bin is 0.9.6, so
> > that might work better. I'm just wondering about the Xen API line -
> > 4.0 to 4.1 made a number of changes, so I don't know what 3.0.1 to
> > 4.1.0 would be like, and I'm thinking that might be the source of the
> > errors.
> >
> > That said - your config file is a standard Xen config file, so it's
> > strange that it'd be in /var/lib/xend/domains. You can get around
> > virsh to at least see if it starts - Put the config (or a copy) in
> > /etc/xen, and try xm create -c /etc/xen/filename. That should at least
> > get Xen starting the domU, but not managing it yet.
> >
> > - Kyle
> >
> > On Thu, Dec 1, 2011 at 5:40 AM, Antonio Colin 
> <dftonywhite@hotmail.com> wrote:
> > > Hi Kyle,
> > >
> > > Sorry for late reply but I was trying this, finally I got this error:
> > >
> > > root@neutrino:~# virsh -c xen:/// domxml-from-native xen-xm winxp.cfg
> > > error: Unknown failure
> > > root@neutrino:~# virsh domxml-from-native xen-xm winxp.cfg > 
> config.xml &&
> > > virsh define config.xml
> > > error: Unknown failure
> > > root@neutrino:~#
> > >
> > > My config file is Python format and it's 
> here: http://pastebin.com/yc9qBSSJ
> > > And the libvirt and hypervisor versions I am using are these:
> > >
> > > root@neutrino:~# virsh version
> > > Compiled against library: libvir 0.8.3
> > > Using library: libvir 0.8.3
> > > Using API: Xen 3.0.1
> > > Running hypervisor: Xen 4.1.0
> > > root@neutrino:~#
> > >
> > > Thank you,
> > > Tony.
> > > ________________________________
> > > Date: Sun, 27 Nov 2011 10:14:42 +0800
> > > From: kyl191@kyl191.net
> > > To: dftonywhite@hotmail.com
> > > CC: xen-users@lists.xensource.com
> > > Subject: Re: [Xen-users] How to make a P2V domU be recognized by Xend
> > >
> > >
> > > Hi,
> > > What config file format do you have? A xml file, the native xen 
> config file
> > > (just a check of python code) or the config.sxp format?
> > >
> > > You'll need to get xend to recognise the config file first, and to 
> do that
> > > you'll need to import it. virsh has a number of tools to help with 
> that - if
> > > you have a python config, you can do a
> > >
> > > virsh domxml-from-native config.file > config.xml && virsh define 
> config.xml
> > >
> > > If you have the config.sxp format, I'm afraid I've got no clue how 
> to help
> > > you - From what I understand it's a copy of the stuff in xenstore, 
> so I'm
> > > not sure if you can simply create a folder with the domU's uuid 
> and move the
> > > config file there and expect it to work. You could try creating a 
> native xen
> > > config file from the examples in /etc/xen, and just specify the 
> disk image
> > > to use, then just do a xm start config.file
> > >
> > > Hope that helped..
> > >
> > > - Kyle
> > >
> > > On 26/11/2011 3:12 PM, Antonio Colin wrote:
> > >
> > > Hi Guys,
> > >
> > > I have Debian 6 + Xen 4.1.1 and created a DomU with virt-manager after
> > > creation:
> > >
> > > laptopvm:~# xm list
> > > Name                                        ID   Mem VCPUs      State
> > > Time(s)
> > > Domain-0                                   0    1024     1
> > > r-----    729.1
> > > centos-4                                            512
> > > 1                         0.0
> > > laptopvm:~#
> > >
> > > Its config file is in:
> > > /var/lib/xend/domains/c0e57693-78a5-0a0b-89b6-93034535ab5a/config.sxp
> > >
> > > Then I did a P2V of another OS and I have the *.img file and the 
> config file
> > > but I
> > > can't get Xen recognize it as another domU.
> > >
> > > How can I make Xen/Xend do that as well as generate the UUIDs for 
> the domU's
> > > devices in its config.sxp file ?
> > > Any useful commands?
> > >
> > > Regards,
> > > Tony.
> > >
> > >
> > >
> > > _______________________________________________
> > > Xen-users mailing list
> > > Xen-users@lists.xensource.com
> > > http://lists.xensource.com/xen-users
> > >
> > >


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    Hi Tony,<br>
    <br>
    I just tried converting your linked config file myself. I'm getting
    the same error message as you, so it seems to be a bug in
    virsh/libvirt. For the record, this is my system:<br>
    <br>
    [root@elemental log]# virsh version<br>
    Compiled against library: libvir 0.9.6<br>
    Using library: libvir 0.9.6<br>
    Using API: Xen 0.9.6<br>
    Running hypervisor: Xen 4.1.0<br>
    <br>
    I'd suggest filing a bug in Debian and attaching your config file as
    a reference. I'm going to poke around a bit more with the libvirt
    debug options when I get back from a trip on Sunday, and based on
    the results of that I might file a bug in Fedora too.<br>
    <br>
    One thing you might be able to try - run "xm new config.file". It's
    listed under "Common 'xm' commands" as " Adds a domain to Xend
    domain management". That might get it into libvirt/virsh, it might
    not. On my system it's not working, complaining about "No module
    named lxml", so I need to go find the module &amp; install it. <br>
    <br>
    As for your Remus question, I've never used Remus before, but as far
    as I know, Remus + Xen/libvirt can be run independently. At one
    point in time there was mention of being able to specify a disk like
    'phy:remus:/dev/vg/lv' in your domain config file, and Xen would
    take care of some configuration options, but I'm not sure what
    happened to it. <br>
    Hopefully someone has a known-accurate answer. <br>
    <br>
    Good luck!<br>
    - Kyle<br>
    <br>
    On 1/12/2011 8:57 PM, Antonio Colin wrote:
    <blockquote cite="mid:SNT114-W4F7856313A906C704BCC0A6B10@phx.gbl"
      type="cite">
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      <div dir="ltr">
        <div><font class="Apple-style-span" face="Arial" size="2">Hi
            Kyle,</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2"><br>
          </font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">Thanks
            so much for your time and advice, I must say it's been&nbsp;</font><span
            class="Apple-style-span" style="font-family: Arial;
            font-size: 10pt; ">far much helpful and I appreciate it.&nbsp;</span></div>
        <div><span class="Apple-style-span" style="font-family: Arial;
            font-size: 10pt; ">I have upgraded to the most recent&nbsp;</span><span
            class="Apple-style-span" style="font-family: Arial;
            font-size: 10pt; ">version of libvirt for AMD64 architecture
            which is 0.9.2-7</span></div>
        <div><font class="Apple-style-span" face="Arial" size="2">(<a
              moz-do-not-send="true"
href="http://packages.debian.org/squeeze-backports/amd64/libvirt0/download">http://packages.debian.org/squeeze-backports/amd64/libvirt0/download</a>)
            and this is the result:</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2"><br>
          </font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">root@neutrino:~#
            virsh version</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">Compiled
            against library: libvir 0.9.2</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">Using
            library: libvir 0.9.2</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">Using
            API: Xen 3.0.1</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">Running
            hypervisor: Xen 4.1.0</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">root@neutrino:~#&nbsp;</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2"><br>
          </font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">The
            UNIX socket interface is enabled: (xend-unix-server yes). No
            clue about the Xen API line yet.</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2"><br>
          </font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">Here
            is a new phenomenon though:</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">root@neutrino:~#
            virsh -c xen:/// domxml-from-native xen-xm winxp.cfg &gt;
            config.xml&nbsp;</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">error:
            An error occurred, but the cause is unknown</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">root@neutrino:~#&nbsp;</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2"><br>
          </font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">As
            you've perfectly described I can actually start the domain
            using: #xm create winxp.cfg. And again, the control is
            managed by&nbsp;</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">xm and
            # virsh list --all doesn't show anything. Virsh cannot
            create the domain since it is not in an XML format nor can
            it start it&nbsp;</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">because
            it is not a libvirt managed domain.</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">&nbsp;&nbsp;</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">There
            are no last entries either in /var/log/messages or
            /var/log/libvirt/libvirtd.log. Virsh and virt-manager are
            working fine and can&nbsp;</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">indeed
            connect to&nbsp;</font><span class="Apple-style-span"
            style="font-family: Arial; font-size: 10pt; ">the
            hypervisor.</span></div>
        <div><font class="Apple-style-span" face="Arial" size="2"><br>
          </font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">And
            just one last question: remus (for HA), is independent of
            all the libvirt management and workarounds? I mean, can I
            use both things&nbsp;</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">at the
            same time?, &nbsp;</font><span class="Apple-style-span"
            style="font-family: Arial; font-size: 10pt; ">because I see
            virsh / virt-manager can in fact migrate domains, but it is
            just live-migration and not intended for HA.</span></div>
        <div><font class="Apple-style-span" face="Arial" size="2"><br>
          </font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">Thank
            you once again!</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2"><br>
          </font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">Tony.</font></div>
        <div style="font-family: Tahoma; font-size: 10pt; "><br>
        </div>
        <font class="Apple-style-span" face="Tahoma" size="2">_______________________________________________________________________________________</font><br>
        <div style="font-family: Tahoma; font-size: 10pt; ">&gt; From:
          <a class="moz-txt-link-abbreviated" href="mailto:kyl191@kyl191.net">kyl191@kyl191.net</a><br>
          &gt; Date: Thu, 1 Dec 2011 11:34:06 +0800<br>
          &gt; Subject: Re: [Xen-users] How to make a P2V domU be
          recognized by Xend<br>
          &gt; To: <a class="moz-txt-link-abbreviated" href="mailto:dftonywhite@hotmail.com">dftonywhite@hotmail.com</a><br>
          &gt; CC: <a class="moz-txt-link-abbreviated" href="mailto:xen-users@lists.xensource.com">xen-users@lists.xensource.com</a><br>
          &gt; <br>
          &gt; Hi Tony,<br>
          &gt; Those errors look like something's wrong with libvirt -<br>
          &gt; <a class="moz-txt-link-freetext" href="http://wiki.libvirt.org/page/FAQ#error:_Unknown_Failure">http://wiki.libvirt.org/page/FAQ#error:_Unknown_Failure</a>
          mentions that<br>
          &gt; the "Unknown failure" messages are a result of bad error
          reporting in<br>
          &gt; libvirt, but says more details should be available in
          dmesg and<br>
          &gt; /var/log/messages.log<br>
          &gt; <br>
          &gt; Those libvirt versions are quite old though - I'm
          guessing Debian 6 is<br>
          &gt; the stable release?
          <a class="moz-txt-link-freetext" href="http://packages.debian.org/stable/libvirt-bin">http://packages.debian.org/stable/libvirt-bin</a> says<br>
          &gt; the version is still 0.8.3-5+squeeze2, when the latest
          release is<br>
          &gt; 0.9.7 (<a class="moz-txt-link-freetext" href="http://libvirt.org/sources/">http://libvirt.org/sources/</a>)<br>
          &gt; <br>
          &gt; Any chance of using a backport?<br>
          &gt; <a class="moz-txt-link-freetext" href="http://packages.debian.org/squeeze-backports/libvirt-bin">http://packages.debian.org/squeeze-backports/libvirt-bin</a>
          is 0.9.6, so<br>
          &gt; that might work better. I'm just wondering about the Xen
          API line -<br>
          &gt; 4.0 to 4.1 made a number of changes, so I don't know what
          3.0.1 to<br>
          &gt; 4.1.0 would be like, and I'm thinking that might be the
          source of the<br>
          &gt; errors.<br>
          &gt; <br>
          &gt; That said - your config file is a standard Xen config
          file, so it's<br>
          &gt; strange that it'd be in /var/lib/xend/domains. You can
          get around<br>
          &gt; virsh to at least see if it starts - Put the config (or a
          copy) in<br>
          &gt; /etc/xen, and try xm create -c /etc/xen/filename. That
          should at least<br>
          &gt; get Xen starting the domU, but not managing it yet.<br>
          &gt; <br>
          &gt; - Kyle<br>
          &gt; <br>
          &gt; On Thu, Dec 1, 2011 at 5:40 AM, Antonio Colin
          <a class="moz-txt-link-rfc2396E" href="mailto:dftonywhite@hotmail.com">&lt;dftonywhite@hotmail.com&gt;</a> wrote:<br>
          &gt; &gt; Hi Kyle,<br>
          &gt; &gt;<br>
          &gt; &gt; Sorry for late reply but I was trying this, finally
          I got this error:<br>
          &gt; &gt;<br>
          &gt; &gt; root@neutrino:~# virsh -c xen:/// domxml-from-native
          xen-xm winxp.cfg<br>
          &gt; &gt; error: Unknown failure<br>
          &gt; &gt; root@neutrino:~#&nbsp;virsh domxml-from-native xen-xm
          winxp.cfg &gt; config.xml &amp;&amp;<br>
          &gt; &gt; virsh define config.xml<br>
          &gt; &gt; error: Unknown failure<br>
          &gt; &gt; root@neutrino:~#<br>
          &gt; &gt;<br>
          &gt; &gt; My config file is Python format and it's
          here:&nbsp;<a class="moz-txt-link-freetext" href="http://pastebin.com/yc9qBSSJ">http://pastebin.com/yc9qBSSJ</a><br>
          &gt; &gt; And the libvirt and hypervisor versions I am using
          are these:<br>
          &gt; &gt;<br>
          &gt; &gt; root@neutrino:~# virsh version<br>
          &gt; &gt; Compiled against library: libvir 0.8.3<br>
          &gt; &gt; Using library: libvir 0.8.3<br>
          &gt; &gt; Using API: Xen 3.0.1<br>
          &gt; &gt; Running hypervisor: Xen 4.1.0<br>
          &gt; &gt; root@neutrino:~#<br>
          &gt; &gt;<br>
          &gt; &gt; Thank you,<br>
          &gt; &gt; Tony.<br>
          &gt; &gt; ________________________________<br>
          &gt; &gt; Date: Sun, 27 Nov 2011 10:14:42 +0800<br>
          &gt; &gt; From: <a class="moz-txt-link-abbreviated" href="mailto:kyl191@kyl191.net">kyl191@kyl191.net</a><br>
          &gt; &gt; To: <a class="moz-txt-link-abbreviated" href="mailto:dftonywhite@hotmail.com">dftonywhite@hotmail.com</a><br>
          &gt; &gt; CC: <a class="moz-txt-link-abbreviated" href="mailto:xen-users@lists.xensource.com">xen-users@lists.xensource.com</a><br>
          &gt; &gt; Subject: Re: [Xen-users] How to make a P2V domU be
          recognized by Xend<br>
          &gt; &gt;<br>
          &gt; &gt;<br>
          &gt; &gt; Hi,<br>
          &gt; &gt; What config file format do you have? A xml file, the
          native xen config file<br>
          &gt; &gt; (just a check of python code) or the config.sxp
          format?<br>
          &gt; &gt;<br>
          &gt; &gt; You'll need to get xend to recognise the config file
          first, and to do that<br>
          &gt; &gt; you'll need to import it. virsh has a number of
          tools to help with that - if<br>
          &gt; &gt; you have a python config, you can do a<br>
          &gt; &gt;<br>
          &gt; &gt; virsh domxml-from-native config.file &gt; config.xml
          &amp;&amp; virsh define config.xml<br>
          &gt; &gt;<br>
          &gt; &gt; If you have the config.sxp format, I'm afraid I've
          got no clue how to help<br>
          &gt; &gt; you - From what I understand it's a copy of the
          stuff in xenstore, so I'm<br>
          &gt; &gt; not sure if you can simply create a folder with the
          domU's uuid and move the<br>
          &gt; &gt; config file there and expect it to work. You could
          try creating a native xen<br>
          &gt; &gt; config file from the examples in /etc/xen, and just
          specify the disk image<br>
          &gt; &gt; to use, then just do a xm start config.file<br>
          &gt; &gt;<br>
          &gt; &gt; Hope that helped..<br>
          &gt; &gt;<br>
          &gt; &gt; - Kyle<br>
          &gt; &gt;<br>
          &gt; &gt; On 26/11/2011 3:12 PM, Antonio Colin wrote:<br>
          &gt; &gt;<br>
          &gt; &gt; Hi Guys,<br>
          &gt; &gt;<br>
          &gt; &gt; I have Debian 6 + Xen 4.1.1 and created a DomU with
          virt-manager after<br>
          &gt; &gt; creation:<br>
          &gt; &gt;<br>
          &gt; &gt; laptopvm:~# xm list<br>
          &gt; &gt; Name&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ID&nbsp;&nbsp; Mem
          VCPUs&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; State<br>
          &gt; &gt; Time(s)<br>
          &gt; &gt; Domain-0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;
          1024&nbsp;&nbsp;&nbsp;&nbsp; 1<br>
          &gt; &gt; r-----&nbsp;&nbsp;&nbsp; 729.1<br>
          &gt; &gt; centos-4&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; &nbsp;
          512<br>
          &gt; &gt; 1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0.0<br>
          &gt; &gt; laptopvm:~#<br>
          &gt; &gt;<br>
          &gt; &gt; Its config file is in:<br>
          &gt; &gt;
          /var/lib/xend/domains/c0e57693-78a5-0a0b-89b6-93034535ab5a/config.sxp<br>
          &gt; &gt;<br>
          &gt; &gt; Then I did a P2V of another OS and I have the *.img
          file and the config file<br>
          &gt; &gt; but I<br>
          &gt; &gt; can't get Xen recognize it as another domU.<br>
          &gt; &gt;<br>
          &gt; &gt; How can I make Xen/Xend do that as well as generate
          the UUIDs for the domU's<br>
          &gt; &gt; devices in its config.sxp file ?<br>
          &gt; &gt; Any useful commands?<br>
          &gt; &gt;<br>
          &gt; &gt; Regards,<br>
          &gt; &gt; Tony.<br>
          &gt; &gt;<br>
          &gt; &gt;<br>
          &gt; &gt;<br>
          &gt; &gt; _______________________________________________<br>
          &gt; &gt; Xen-users mailing list<br>
          &gt; &gt; <a class="moz-txt-link-abbreviated" href="mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.com</a><br>
          &gt; &gt; <a class="moz-txt-link-freetext" href="http://lists.xensource.com/xen-users">http://lists.xensource.com/xen-users</a><br>
          &gt; &gt;<br>
          &gt; &gt;<br>
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Message-ID: <4ED7A020.50503@kyl191.net>
Date: Thu, 01 Dec 2011 23:41:20 +0800
From: Kyle Lexmond <kyl191@kyl191.net>
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To: Antonio Colin <dftonywhite@hotmail.com>
References: <SNT114-W375752AEA876870542F7B1A6CC0@phx.gbl>
	<4ED19D12.3070407@kyl191.net>,
	<SNT114-W41AE9E3A5245433365175EA6B00@phx.gbl>,
	<CA+fvCKOBht7Ki_7Y4ODrVte9ib_Q_PmPoPM_TdEBRRwJqtmkwg@mail.gmail.com>
	<SNT114-W4F7856313A906C704BCC0A6B10@phx.gbl>
In-Reply-To: <SNT114-W4F7856313A906C704BCC0A6B10@phx.gbl>
Cc: Xen Users List <xen-users@lists.xensource.com>
Subject: Re: [Xen-users] How to make a P2V domU be recognized by Xend
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Hi Tony,

I just tried converting your linked config file myself. I'm getting the 
same error message as you, so it seems to be a bug in virsh/libvirt. For 
the record, this is my system:

[root@elemental log]# virsh version
Compiled against library: libvir 0.9.6
Using library: libvir 0.9.6
Using API: Xen 0.9.6
Running hypervisor: Xen 4.1.0

I'd suggest filing a bug in Debian and attaching your config file as a 
reference. I'm going to poke around a bit more with the libvirt debug 
options when I get back from a trip on Sunday, and based on the results 
of that I might file a bug in Fedora too.

One thing you might be able to try - run "xm new config.file". It's 
listed under "Common 'xm' commands" as " Adds a domain to Xend domain 
management". That might get it into libvirt/virsh, it might not. On my 
system it's not working, complaining about "No module named lxml", so I 
need to go find the module & install it.

As for your Remus question, I've never used Remus before, but as far as 
I know, Remus + Xen/libvirt can be run independently. At one point in 
time there was mention of being able to specify a disk like 
'phy:remus:/dev/vg/lv' in your domain config file, and Xen would take 
care of some configuration options, but I'm not sure what happened to it.
Hopefully someone has a known-accurate answer.

Good luck!
- Kyle

On 1/12/2011 8:57 PM, Antonio Colin wrote:
> Hi Kyle,
>
> Thanks so much for your time and advice, I must say it's been far much 
> helpful and I appreciate it.
> I have upgraded to the most recent version of libvirt for AMD64 
> architecture which is 0.9.2-7
> (http://packages.debian.org/squeeze-backports/amd64/libvirt0/download) 
> and this is the result:
>
> root@neutrino:~# virsh version
> Compiled against library: libvir 0.9.2
> Using library: libvir 0.9.2
> Using API: Xen 3.0.1
> Running hypervisor: Xen 4.1.0
> root@neutrino:~#
>
> The UNIX socket interface is enabled: (xend-unix-server yes). No clue 
> about the Xen API line yet.
>
> Here is a new phenomenon though:
> root@neutrino:~# virsh -c xen:/// domxml-from-native xen-xm winxp.cfg 
> > config.xml
> error: An error occurred, but the cause is unknown
> root@neutrino:~#
>
> As you've perfectly described I can actually start the domain using: 
> #xm create winxp.cfg. And again, the control is managed by
> xm and # virsh list --all doesn't show anything. Virsh cannot create 
> the domain since it is not in an XML format nor can it start it
> because it is not a libvirt managed domain.
> There are no last entries either in /var/log/messages or 
> /var/log/libvirt/libvirtd.log. Virsh and virt-manager are working fine 
> and can
> indeed connect to the hypervisor.
>
> And just one last question: remus (for HA), is independent of all the 
> libvirt management and workarounds? I mean, can I use both things
> at the same time?, because I see virsh / virt-manager can in fact 
> migrate domains, but it is just live-migration and not intended for HA.
>
> Thank you once again!
>
> Tony.
>
> _______________________________________________________________________________________
> > From: kyl191@kyl191.net
> > Date: Thu, 1 Dec 2011 11:34:06 +0800
> > Subject: Re: [Xen-users] How to make a P2V domU be recognized by Xend
> > To: dftonywhite@hotmail.com
> > CC: xen-users@lists.xensource.com
> >
> > Hi Tony,
> > Those errors look like something's wrong with libvirt -
> > http://wiki.libvirt.org/page/FAQ#error:_Unknown_Failure mentions that
> > the "Unknown failure" messages are a result of bad error reporting in
> > libvirt, but says more details should be available in dmesg and
> > /var/log/messages.log
> >
> > Those libvirt versions are quite old though - I'm guessing Debian 6 is
> > the stable release? http://packages.debian.org/stable/libvirt-bin says
> > the version is still 0.8.3-5+squeeze2, when the latest release is
> > 0.9.7 (http://libvirt.org/sources/)
> >
> > Any chance of using a backport?
> > http://packages.debian.org/squeeze-backports/libvirt-bin is 0.9.6, so
> > that might work better. I'm just wondering about the Xen API line -
> > 4.0 to 4.1 made a number of changes, so I don't know what 3.0.1 to
> > 4.1.0 would be like, and I'm thinking that might be the source of the
> > errors.
> >
> > That said - your config file is a standard Xen config file, so it's
> > strange that it'd be in /var/lib/xend/domains. You can get around
> > virsh to at least see if it starts - Put the config (or a copy) in
> > /etc/xen, and try xm create -c /etc/xen/filename. That should at least
> > get Xen starting the domU, but not managing it yet.
> >
> > - Kyle
> >
> > On Thu, Dec 1, 2011 at 5:40 AM, Antonio Colin 
> <dftonywhite@hotmail.com> wrote:
> > > Hi Kyle,
> > >
> > > Sorry for late reply but I was trying this, finally I got this error:
> > >
> > > root@neutrino:~# virsh -c xen:/// domxml-from-native xen-xm winxp.cfg
> > > error: Unknown failure
> > > root@neutrino:~# virsh domxml-from-native xen-xm winxp.cfg > 
> config.xml &&
> > > virsh define config.xml
> > > error: Unknown failure
> > > root@neutrino:~#
> > >
> > > My config file is Python format and it's 
> here: http://pastebin.com/yc9qBSSJ
> > > And the libvirt and hypervisor versions I am using are these:
> > >
> > > root@neutrino:~# virsh version
> > > Compiled against library: libvir 0.8.3
> > > Using library: libvir 0.8.3
> > > Using API: Xen 3.0.1
> > > Running hypervisor: Xen 4.1.0
> > > root@neutrino:~#
> > >
> > > Thank you,
> > > Tony.
> > > ________________________________
> > > Date: Sun, 27 Nov 2011 10:14:42 +0800
> > > From: kyl191@kyl191.net
> > > To: dftonywhite@hotmail.com
> > > CC: xen-users@lists.xensource.com
> > > Subject: Re: [Xen-users] How to make a P2V domU be recognized by Xend
> > >
> > >
> > > Hi,
> > > What config file format do you have? A xml file, the native xen 
> config file
> > > (just a check of python code) or the config.sxp format?
> > >
> > > You'll need to get xend to recognise the config file first, and to 
> do that
> > > you'll need to import it. virsh has a number of tools to help with 
> that - if
> > > you have a python config, you can do a
> > >
> > > virsh domxml-from-native config.file > config.xml && virsh define 
> config.xml
> > >
> > > If you have the config.sxp format, I'm afraid I've got no clue how 
> to help
> > > you - From what I understand it's a copy of the stuff in xenstore, 
> so I'm
> > > not sure if you can simply create a folder with the domU's uuid 
> and move the
> > > config file there and expect it to work. You could try creating a 
> native xen
> > > config file from the examples in /etc/xen, and just specify the 
> disk image
> > > to use, then just do a xm start config.file
> > >
> > > Hope that helped..
> > >
> > > - Kyle
> > >
> > > On 26/11/2011 3:12 PM, Antonio Colin wrote:
> > >
> > > Hi Guys,
> > >
> > > I have Debian 6 + Xen 4.1.1 and created a DomU with virt-manager after
> > > creation:
> > >
> > > laptopvm:~# xm list
> > > Name                                        ID   Mem VCPUs      State
> > > Time(s)
> > > Domain-0                                   0    1024     1
> > > r-----    729.1
> > > centos-4                                            512
> > > 1                         0.0
> > > laptopvm:~#
> > >
> > > Its config file is in:
> > > /var/lib/xend/domains/c0e57693-78a5-0a0b-89b6-93034535ab5a/config.sxp
> > >
> > > Then I did a P2V of another OS and I have the *.img file and the 
> config file
> > > but I
> > > can't get Xen recognize it as another domU.
> > >
> > > How can I make Xen/Xend do that as well as generate the UUIDs for 
> the domU's
> > > devices in its config.sxp file ?
> > > Any useful commands?
> > >
> > > Regards,
> > > Tony.
> > >
> > >
> > >
> > > _______________________________________________
> > > Xen-users mailing list
> > > Xen-users@lists.xensource.com
> > > http://lists.xensource.com/xen-users
> > >
> > >


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    Hi Tony,<br>
    <br>
    I just tried converting your linked config file myself. I'm getting
    the same error message as you, so it seems to be a bug in
    virsh/libvirt. For the record, this is my system:<br>
    <br>
    [root@elemental log]# virsh version<br>
    Compiled against library: libvir 0.9.6<br>
    Using library: libvir 0.9.6<br>
    Using API: Xen 0.9.6<br>
    Running hypervisor: Xen 4.1.0<br>
    <br>
    I'd suggest filing a bug in Debian and attaching your config file as
    a reference. I'm going to poke around a bit more with the libvirt
    debug options when I get back from a trip on Sunday, and based on
    the results of that I might file a bug in Fedora too.<br>
    <br>
    One thing you might be able to try - run "xm new config.file". It's
    listed under "Common 'xm' commands" as " Adds a domain to Xend
    domain management". That might get it into libvirt/virsh, it might
    not. On my system it's not working, complaining about "No module
    named lxml", so I need to go find the module &amp; install it. <br>
    <br>
    As for your Remus question, I've never used Remus before, but as far
    as I know, Remus + Xen/libvirt can be run independently. At one
    point in time there was mention of being able to specify a disk like
    'phy:remus:/dev/vg/lv' in your domain config file, and Xen would
    take care of some configuration options, but I'm not sure what
    happened to it. <br>
    Hopefully someone has a known-accurate answer. <br>
    <br>
    Good luck!<br>
    - Kyle<br>
    <br>
    On 1/12/2011 8:57 PM, Antonio Colin wrote:
    <blockquote cite="mid:SNT114-W4F7856313A906C704BCC0A6B10@phx.gbl"
      type="cite">
      <style><!--
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      <div dir="ltr">
        <div><font class="Apple-style-span" face="Arial" size="2">Hi
            Kyle,</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2"><br>
          </font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">Thanks
            so much for your time and advice, I must say it's been&nbsp;</font><span
            class="Apple-style-span" style="font-family: Arial;
            font-size: 10pt; ">far much helpful and I appreciate it.&nbsp;</span></div>
        <div><span class="Apple-style-span" style="font-family: Arial;
            font-size: 10pt; ">I have upgraded to the most recent&nbsp;</span><span
            class="Apple-style-span" style="font-family: Arial;
            font-size: 10pt; ">version of libvirt for AMD64 architecture
            which is 0.9.2-7</span></div>
        <div><font class="Apple-style-span" face="Arial" size="2">(<a
              moz-do-not-send="true"
href="http://packages.debian.org/squeeze-backports/amd64/libvirt0/download">http://packages.debian.org/squeeze-backports/amd64/libvirt0/download</a>)
            and this is the result:</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2"><br>
          </font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">root@neutrino:~#
            virsh version</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">Compiled
            against library: libvir 0.9.2</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">Using
            library: libvir 0.9.2</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">Using
            API: Xen 3.0.1</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">Running
            hypervisor: Xen 4.1.0</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">root@neutrino:~#&nbsp;</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2"><br>
          </font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">The
            UNIX socket interface is enabled: (xend-unix-server yes). No
            clue about the Xen API line yet.</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2"><br>
          </font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">Here
            is a new phenomenon though:</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">root@neutrino:~#
            virsh -c xen:/// domxml-from-native xen-xm winxp.cfg &gt;
            config.xml&nbsp;</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">error:
            An error occurred, but the cause is unknown</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">root@neutrino:~#&nbsp;</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2"><br>
          </font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">As
            you've perfectly described I can actually start the domain
            using: #xm create winxp.cfg. And again, the control is
            managed by&nbsp;</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">xm and
            # virsh list --all doesn't show anything. Virsh cannot
            create the domain since it is not in an XML format nor can
            it start it&nbsp;</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">because
            it is not a libvirt managed domain.</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">&nbsp;&nbsp;</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">There
            are no last entries either in /var/log/messages or
            /var/log/libvirt/libvirtd.log. Virsh and virt-manager are
            working fine and can&nbsp;</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">indeed
            connect to&nbsp;</font><span class="Apple-style-span"
            style="font-family: Arial; font-size: 10pt; ">the
            hypervisor.</span></div>
        <div><font class="Apple-style-span" face="Arial" size="2"><br>
          </font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">And
            just one last question: remus (for HA), is independent of
            all the libvirt management and workarounds? I mean, can I
            use both things&nbsp;</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">at the
            same time?, &nbsp;</font><span class="Apple-style-span"
            style="font-family: Arial; font-size: 10pt; ">because I see
            virsh / virt-manager can in fact migrate domains, but it is
            just live-migration and not intended for HA.</span></div>
        <div><font class="Apple-style-span" face="Arial" size="2"><br>
          </font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">Thank
            you once again!</font></div>
        <div><font class="Apple-style-span" face="Arial" size="2"><br>
          </font></div>
        <div><font class="Apple-style-span" face="Arial" size="2">Tony.</font></div>
        <div style="font-family: Tahoma; font-size: 10pt; "><br>
        </div>
        <font class="Apple-style-span" face="Tahoma" size="2">_______________________________________________________________________________________</font><br>
        <div style="font-family: Tahoma; font-size: 10pt; ">&gt; From:
          <a class="moz-txt-link-abbreviated" href="mailto:kyl191@kyl191.net">kyl191@kyl191.net</a><br>
          &gt; Date: Thu, 1 Dec 2011 11:34:06 +0800<br>
          &gt; Subject: Re: [Xen-users] How to make a P2V domU be
          recognized by Xend<br>
          &gt; To: <a class="moz-txt-link-abbreviated" href="mailto:dftonywhite@hotmail.com">dftonywhite@hotmail.com</a><br>
          &gt; CC: <a class="moz-txt-link-abbreviated" href="mailto:xen-users@lists.xensource.com">xen-users@lists.xensource.com</a><br>
          &gt; <br>
          &gt; Hi Tony,<br>
          &gt; Those errors look like something's wrong with libvirt -<br>
          &gt; <a class="moz-txt-link-freetext" href="http://wiki.libvirt.org/page/FAQ#error:_Unknown_Failure">http://wiki.libvirt.org/page/FAQ#error:_Unknown_Failure</a>
          mentions that<br>
          &gt; the "Unknown failure" messages are a result of bad error
          reporting in<br>
          &gt; libvirt, but says more details should be available in
          dmesg and<br>
          &gt; /var/log/messages.log<br>
          &gt; <br>
          &gt; Those libvirt versions are quite old though - I'm
          guessing Debian 6 is<br>
          &gt; the stable release?
          <a class="moz-txt-link-freetext" href="http://packages.debian.org/stable/libvirt-bin">http://packages.debian.org/stable/libvirt-bin</a> says<br>
          &gt; the version is still 0.8.3-5+squeeze2, when the latest
          release is<br>
          &gt; 0.9.7 (<a class="moz-txt-link-freetext" href="http://libvirt.org/sources/">http://libvirt.org/sources/</a>)<br>
          &gt; <br>
          &gt; Any chance of using a backport?<br>
          &gt; <a class="moz-txt-link-freetext" href="http://packages.debian.org/squeeze-backports/libvirt-bin">http://packages.debian.org/squeeze-backports/libvirt-bin</a>
          is 0.9.6, so<br>
          &gt; that might work better. I'm just wondering about the Xen
          API line -<br>
          &gt; 4.0 to 4.1 made a number of changes, so I don't know what
          3.0.1 to<br>
          &gt; 4.1.0 would be like, and I'm thinking that might be the
          source of the<br>
          &gt; errors.<br>
          &gt; <br>
          &gt; That said - your config file is a standard Xen config
          file, so it's<br>
          &gt; strange that it'd be in /var/lib/xend/domains. You can
          get around<br>
          &gt; virsh to at least see if it starts - Put the config (or a
          copy) in<br>
          &gt; /etc/xen, and try xm create -c /etc/xen/filename. That
          should at least<br>
          &gt; get Xen starting the domU, but not managing it yet.<br>
          &gt; <br>
          &gt; - Kyle<br>
          &gt; <br>
          &gt; On Thu, Dec 1, 2011 at 5:40 AM, Antonio Colin
          <a class="moz-txt-link-rfc2396E" href="mailto:dftonywhite@hotmail.com">&lt;dftonywhite@hotmail.com&gt;</a> wrote:<br>
          &gt; &gt; Hi Kyle,<br>
          &gt; &gt;<br>
          &gt; &gt; Sorry for late reply but I was trying this, finally
          I got this error:<br>
          &gt; &gt;<br>
          &gt; &gt; root@neutrino:~# virsh -c xen:/// domxml-from-native
          xen-xm winxp.cfg<br>
          &gt; &gt; error: Unknown failure<br>
          &gt; &gt; root@neutrino:~#&nbsp;virsh domxml-from-native xen-xm
          winxp.cfg &gt; config.xml &amp;&amp;<br>
          &gt; &gt; virsh define config.xml<br>
          &gt; &gt; error: Unknown failure<br>
          &gt; &gt; root@neutrino:~#<br>
          &gt; &gt;<br>
          &gt; &gt; My config file is Python format and it's
          here:&nbsp;<a class="moz-txt-link-freetext" href="http://pastebin.com/yc9qBSSJ">http://pastebin.com/yc9qBSSJ</a><br>
          &gt; &gt; And the libvirt and hypervisor versions I am using
          are these:<br>
          &gt; &gt;<br>
          &gt; &gt; root@neutrino:~# virsh version<br>
          &gt; &gt; Compiled against library: libvir 0.8.3<br>
          &gt; &gt; Using library: libvir 0.8.3<br>
          &gt; &gt; Using API: Xen 3.0.1<br>
          &gt; &gt; Running hypervisor: Xen 4.1.0<br>
          &gt; &gt; root@neutrino:~#<br>
          &gt; &gt;<br>
          &gt; &gt; Thank you,<br>
          &gt; &gt; Tony.<br>
          &gt; &gt; ________________________________<br>
          &gt; &gt; Date: Sun, 27 Nov 2011 10:14:42 +0800<br>
          &gt; &gt; From: <a class="moz-txt-link-abbreviated" href="mailto:kyl191@kyl191.net">kyl191@kyl191.net</a><br>
          &gt; &gt; To: <a class="moz-txt-link-abbreviated" href="mailto:dftonywhite@hotmail.com">dftonywhite@hotmail.com</a><br>
          &gt; &gt; CC: <a class="moz-txt-link-abbreviated" href="mailto:xen-users@lists.xensource.com">xen-users@lists.xensource.com</a><br>
          &gt; &gt; Subject: Re: [Xen-users] How to make a P2V domU be
          recognized by Xend<br>
          &gt; &gt;<br>
          &gt; &gt;<br>
          &gt; &gt; Hi,<br>
          &gt; &gt; What config file format do you have? A xml file, the
          native xen config file<br>
          &gt; &gt; (just a check of python code) or the config.sxp
          format?<br>
          &gt; &gt;<br>
          &gt; &gt; You'll need to get xend to recognise the config file
          first, and to do that<br>
          &gt; &gt; you'll need to import it. virsh has a number of
          tools to help with that - if<br>
          &gt; &gt; you have a python config, you can do a<br>
          &gt; &gt;<br>
          &gt; &gt; virsh domxml-from-native config.file &gt; config.xml
          &amp;&amp; virsh define config.xml<br>
          &gt; &gt;<br>
          &gt; &gt; If you have the config.sxp format, I'm afraid I've
          got no clue how to help<br>
          &gt; &gt; you - From what I understand it's a copy of the
          stuff in xenstore, so I'm<br>
          &gt; &gt; not sure if you can simply create a folder with the
          domU's uuid and move the<br>
          &gt; &gt; config file there and expect it to work. You could
          try creating a native xen<br>
          &gt; &gt; config file from the examples in /etc/xen, and just
          specify the disk image<br>
          &gt; &gt; to use, then just do a xm start config.file<br>
          &gt; &gt;<br>
          &gt; &gt; Hope that helped..<br>
          &gt; &gt;<br>
          &gt; &gt; - Kyle<br>
          &gt; &gt;<br>
          &gt; &gt; On 26/11/2011 3:12 PM, Antonio Colin wrote:<br>
          &gt; &gt;<br>
          &gt; &gt; Hi Guys,<br>
          &gt; &gt;<br>
          &gt; &gt; I have Debian 6 + Xen 4.1.1 and created a DomU with
          virt-manager after<br>
          &gt; &gt; creation:<br>
          &gt; &gt;<br>
          &gt; &gt; laptopvm:~# xm list<br>
          &gt; &gt; Name&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ID&nbsp;&nbsp; Mem
          VCPUs&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; State<br>
          &gt; &gt; Time(s)<br>
          &gt; &gt; Domain-0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;
          1024&nbsp;&nbsp;&nbsp;&nbsp; 1<br>
          &gt; &gt; r-----&nbsp;&nbsp;&nbsp; 729.1<br>
          &gt; &gt; centos-4&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; &nbsp;
          512<br>
          &gt; &gt; 1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0.0<br>
          &gt; &gt; laptopvm:~#<br>
          &gt; &gt;<br>
          &gt; &gt; Its config file is in:<br>
          &gt; &gt;
          /var/lib/xend/domains/c0e57693-78a5-0a0b-89b6-93034535ab5a/config.sxp<br>
          &gt; &gt;<br>
          &gt; &gt; Then I did a P2V of another OS and I have the *.img
          file and the config file<br>
          &gt; &gt; but I<br>
          &gt; &gt; can't get Xen recognize it as another domU.<br>
          &gt; &gt;<br>
          &gt; &gt; How can I make Xen/Xend do that as well as generate
          the UUIDs for the domU's<br>
          &gt; &gt; devices in its config.sxp file ?<br>
          &gt; &gt; Any useful commands?<br>
          &gt; &gt;<br>
          &gt; &gt; Regards,<br>
          &gt; &gt; Tony.<br>
          &gt; &gt;<br>
          &gt; &gt;<br>
          &gt; &gt;<br>
          &gt; &gt; _______________________________________________<br>
          &gt; &gt; Xen-users mailing list<br>
          &gt; &gt; <a class="moz-txt-link-abbreviated" href="mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.com</a><br>
          &gt; &gt; <a class="moz-txt-link-freetext" href="http://lists.xensource.com/xen-users">http://lists.xensource.com/xen-users</a><br>
          &gt; &gt;<br>
          &gt; &gt;<br>
        </div>
      </div>
    </blockquote>
    <br>
  </body>
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I know there are some other post like that, but i really need a way to get
the ip of my VM.
if i can't:
Can i use static ip??
Can i set the ip address at the creation?

thank u

--0015174bddc628f9ad04b310a570
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I know there are some other post like that, but i really need a way to get the ip of my VM.<div>if i can&#39;t:<br><div>Can i use static ip??</div><div>Can i set the ip address at the creation?</div></div><div><br></div><div>
thank u</div>

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I know there are some other post like that, but i really need a way to get
the ip of my VM.
if i can't:
Can i use static ip??
Can i set the ip address at the creation?

thank u

--0015174bddc628f9ad04b310a570
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I know there are some other post like that, but i really need a way to get the ip of my VM.<div>if i can&#39;t:<br><div>Can i use static ip??</div><div>Can i set the ip address at the creation?</div></div><div><br></div><div>
thank u</div>

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to get the IP, use the console or VNC, log in, and get the IP.

to set the IP, there's no way (that I'm aware of) to just the IP via config
or whatever, but you can mount the disk image and edit its config that way.
 You can also set the MAC address for the vif in config, and then add a
DHCP reservation for the MAC.

On Thu, Dec 1, 2011 at 6:59 PM, Filippo Gaudenzi <gaudenzi.filippo@gmail.com
> wrote:

> I know there are some other post like that, but i really need a way to get
> the ip of my VM.
> if i can't:
> Can i use static ip??
> Can i set the ip address at the creation?
>
> thank u
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>
>

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to get the IP, use the console or VNC, log in, and get the IP.<div><br></di=
v><div>to set the IP, there&#39;s no way (that I&#39;m aware of) to just th=
e IP via config or whatever, but you can mount the disk image and edit its =
config that way. =A0You can also set the MAC address for the vif in config,=
 and then add a DHCP reservation for the MAC.<br>
<br><div class=3D"gmail_quote">On Thu, Dec 1, 2011 at 6:59 PM, Filippo Gaud=
enzi <span dir=3D"ltr">&lt;<a href=3D"mailto:gaudenzi.filippo@gmail.com">ga=
udenzi.filippo@gmail.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmai=
l_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left=
:1ex;">
I know there are some other post like that, but i really need a way to get =
the ip of my VM.<div>if i can&#39;t:<br><div>Can i use static ip??</div><di=
v>Can i set the ip address at the creation?</div></div><div><br></div><div>

thank u</div>
<br>_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.=
com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br>
<br></blockquote></div><br></div>

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From: John Sherwood <jrs@vt.edu>
To: Filippo Gaudenzi <gaudenzi.filippo@gmail.com>
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] GET IP ADDRESS VM
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to get the IP, use the console or VNC, log in, and get the IP.

to set the IP, there's no way (that I'm aware of) to just the IP via config
or whatever, but you can mount the disk image and edit its config that way.
 You can also set the MAC address for the vif in config, and then add a
DHCP reservation for the MAC.

On Thu, Dec 1, 2011 at 6:59 PM, Filippo Gaudenzi <gaudenzi.filippo@gmail.com
> wrote:

> I know there are some other post like that, but i really need a way to get
> the ip of my VM.
> if i can't:
> Can i use static ip??
> Can i set the ip address at the creation?
>
> thank u
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>
>

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to get the IP, use the console or VNC, log in, and get the IP.<div><br></di=
v><div>to set the IP, there&#39;s no way (that I&#39;m aware of) to just th=
e IP via config or whatever, but you can mount the disk image and edit its =
config that way. =A0You can also set the MAC address for the vif in config,=
 and then add a DHCP reservation for the MAC.<br>
<br><div class=3D"gmail_quote">On Thu, Dec 1, 2011 at 6:59 PM, Filippo Gaud=
enzi <span dir=3D"ltr">&lt;<a href=3D"mailto:gaudenzi.filippo@gmail.com">ga=
udenzi.filippo@gmail.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmai=
l_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left=
:1ex;">
I know there are some other post like that, but i really need a way to get =
the ip of my VM.<div>if i can&#39;t:<br><div>Can i use static ip??</div><di=
v>Can i set the ip address at the creation?</div></div><div><br></div><div>

thank u</div>
<br>_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.=
com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br>
<br></blockquote></div><br></div>

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Subject: Re: [Xen-users] How to make a P2V domU be recognized by Xend
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Hello Kyle=2C
I hope you are having a good day=2C I have just submitted  the bug report t=
o Debian libvirt maintainers and awaiting further information. I did exactl=
y what you suggest and in fact it worked in the end :D.The error: ImportErr=
or: No module named lxml also was an issue to me but I tried this:
# dpkg -i python-lxml_2.2.8-2_amd64.deb
It finishes with errors but #xm new is able to work=2C I am afraid my pytho=
n2.6 is not yet properly configured though.I've pasted a complete output of=
 this to convert to XML here: http://paste.debian.net/147767/ Fortunately i=
t got into libvirt :). I will start now to test remus on this and see if I =
need the option you mention.
I think that is everything=2C so Kyle thank you for you much appreciated he=
lp=2C it would have been far more difficultwithout you.
By the way=2C enjoy your trip! =3B)
Tony.


Date: Thu=2C 1 Dec 2011 23:41:20 +0800
From: kyl191@kyl191.net
To: dftonywhite@hotmail.com
CC: xen-users@lists.xensource.com
Subject: Re: [Xen-users] How to make a P2V domU be recognized by Xend


 =20


   =20
 =20
 =20
    Hi Tony=2C

   =20

    I just tried converting your linked config file myself. I'm getting
    the same error message as you=2C so it seems to be a bug in
    virsh/libvirt. For the record=2C this is my system:

   =20

    [root@elemental log]# virsh version

    Compiled against library: libvir 0.9.6

    Using library: libvir 0.9.6

    Using API: Xen 0.9.6

    Running hypervisor: Xen 4.1.0

   =20

    I'd suggest filing a bug in Debian and attaching your config file as
    a reference. I'm going to poke around a bit more with the libvirt
    debug options when I get back from a trip on Sunday=2C and based on
    the results of that I might file a bug in Fedora too.

   =20

    One thing you might be able to try - run "xm new config.file". It's
    listed under "Common 'xm' commands" as " Adds a domain to Xend
    domain management". That might get it into libvirt/virsh=2C it might
    not. On my system it's not working=2C complaining about "No module
    named lxml"=2C so I need to go find the module & install it.=20

   =20

    As for your Remus question=2C I've never used Remus before=2C but as fa=
r
    as I know=2C Remus + Xen/libvirt can be run independently. At one
    point in time there was mention of being able to specify a disk like
    'phy:remus:/dev/vg/lv' in your domain config file=2C and Xen would
    take care of some configuration options=2C but I'm not sure what
    happened to it.=20

    Hopefully someone has a known-accurate answer.=20

   =20

    Good luck!

    - Kyle

   =20

    On 1/12/2011 8:57 PM=2C Antonio Colin wrote:
   =20
     =20
     =20
        Hi
            Kyle=2C
       =20

         =20
        Thanks
            so much for your time and advice=2C I must say it's been far mu=
ch helpful and I appreciate it.=20
        I have upgraded to the most recent version of libvirt for AMD64 arc=
hitecture
            which is 0.9.2-7
        (http://packages.debian.org/squeeze-backports/amd64/libvirt0/downlo=
ad)
            and this is the result:
       =20

         =20
        root@neutrino:~#
            virsh version
        Compiled
            against library: libvir 0.9.2
        Using
            library: libvir 0.9.2
        Using
            API: Xen 3.0.1
        Running
            hypervisor: Xen 4.1.0
        root@neutrino:~#=20
       =20

         =20
        The
            UNIX socket interface is enabled: (xend-unix-server yes). No
            clue about the Xen API line yet.
       =20

         =20
        Here
            is a new phenomenon though:
        root@neutrino:~#
            virsh -c xen:/// domxml-from-native xen-xm winxp.cfg >
            config.xml=20
        error:
            An error occurred=2C but the cause is unknown
        root@neutrino:~#=20
       =20

         =20
        As
            you've perfectly described I can actually start the domain
            using: #xm create winxp.cfg. And again=2C the control is
            managed by=20
        xm and
            # virsh list --all doesn't show anything. Virsh cannot
            create the domain since it is not in an XML format nor can
            it start it=20
        because
            it is not a libvirt managed domain.
         =20
        There
            are no last entries either in /var/log/messages or
            /var/log/libvirt/libvirtd.log. Virsh and virt-manager are
            working fine and can=20
        indeed
            connect to the
            hypervisor.
       =20

         =20
        And
            just one last question: remus (for HA)=2C is independent of
            all the libvirt management and workarounds? I mean=2C can I
            use both things=20
        at the
            same time?=2C  because I see
            virsh / virt-manager can in fact migrate domains=2C but it is
            just live-migration and not intended for HA.
       =20

         =20
        Thank
            you once again!
       =20

         =20
        Tony.
       =20

       =20
        ___________________________________________________________________=
____________________

        > From:
          kyl191@kyl191.net

          > Date: Thu=2C 1 Dec 2011 11:34:06 +0800

          > Subject: Re: [Xen-users] How to make a P2V domU be
          recognized by Xend

          > To: dftonywhite@hotmail.com

          > CC: xen-users@lists.xensource.com

          >=20

          > Hi Tony=2C

          > Those errors look like something's wrong with libvirt -

          > http://wiki.libvirt.org/page/FAQ#error:_Unknown_Failure
          mentions that

          > the "Unknown failure" messages are a result of bad error
          reporting in

          > libvirt=2C but says more details should be available in
          dmesg and

          > /var/log/messages.log

          >=20

          > Those libvirt versions are quite old though - I'm
          guessing Debian 6 is

          > the stable release?
          http://packages.debian.org/stable/libvirt-bin says

          > the version is still 0.8.3-5+squeeze2=2C when the latest
          release is

          > 0.9.7 (http://libvirt.org/sources/)

          >=20

          > Any chance of using a backport?

          > http://packages.debian.org/squeeze-backports/libvirt-bin
          is 0.9.6=2C so

          > that might work better. I'm just wondering about the Xen
          API line -

          > 4.0 to 4.1 made a number of changes=2C so I don't know what
          3.0.1 to

          > 4.1.0 would be like=2C and I'm thinking that might be the
          source of the

          > errors.

          >=20

          > That said - your config file is a standard Xen config
          file=2C so it's

          > strange that it'd be in /var/lib/xend/domains. You can
          get around

          > virsh to at least see if it starts - Put the config (or a
          copy) in

          > /etc/xen=2C and try xm create -c /etc/xen/filename. That
          should at least

          > get Xen starting the domU=2C but not managing it yet.

          >=20

          > - Kyle

          >=20

          > On Thu=2C Dec 1=2C 2011 at 5:40 AM=2C Antonio Colin
          <dftonywhite@hotmail.com> wrote:

          > > Hi Kyle=2C

          > >

          > > Sorry for late reply but I was trying this=2C finally
          I got this error:

          > >

          > > root@neutrino:~# virsh -c xen:/// domxml-from-native
          xen-xm winxp.cfg

          > > error: Unknown failure

          > > root@neutrino:~# virsh domxml-from-native xen-xm
          winxp.cfg > config.xml &&

          > > virsh define config.xml

          > > error: Unknown failure

          > > root@neutrino:~#

          > >

          > > My config file is Python format and it's
          here: http://pastebin.com/yc9qBSSJ

          > > And the libvirt and hypervisor versions I am using
          are these:

          > >

          > > root@neutrino:~# virsh version

          > > Compiled against library: libvir 0.8.3

          > > Using library: libvir 0.8.3

          > > Using API: Xen 3.0.1

          > > Running hypervisor: Xen 4.1.0

          > > root@neutrino:~#

          > >

          > > Thank you=2C

          > > Tony.

          > > ________________________________

          > > Date: Sun=2C 27 Nov 2011 10:14:42 +0800

          > > From: kyl191@kyl191.net

          > > To: dftonywhite@hotmail.com

          > > CC: xen-users@lists.xensource.com

          > > Subject: Re: [Xen-users] How to make a P2V domU be
          recognized by Xend

          > >

          > >

          > > Hi=2C

          > > What config file format do you have? A xml file=2C the
          native xen config file

          > > (just a check of python code) or the config.sxp
          format?

          > >

          > > You'll need to get xend to recognise the config file
          first=2C and to do that

          > > you'll need to import it. virsh has a number of
          tools to help with that - if

          > > you have a python config=2C you can do a

          > >

          > > virsh domxml-from-native config.file > config.xml
          && virsh define config.xml

          > >

          > > If you have the config.sxp format=2C I'm afraid I've
          got no clue how to help

          > > you - From what I understand it's a copy of the
          stuff in xenstore=2C so I'm

          > > not sure if you can simply create a folder with the
          domU's uuid and move the

          > > config file there and expect it to work. You could
          try creating a native xen

          > > config file from the examples in /etc/xen=2C and just
          specify the disk image

          > > to use=2C then just do a xm start config.file

          > >

          > > Hope that helped..

          > >

          > > - Kyle

          > >

          > > On 26/11/2011 3:12 PM=2C Antonio Colin wrote:

          > >

          > > Hi Guys=2C

          > >

          > > I have Debian 6 + Xen 4.1.1 and created a DomU with
          virt-manager after

          > > creation:

          > >

          > > laptopvm:~# xm list

          > > Name                                        ID   Mem
          VCPUs      State

          > > Time(s)

          > > Domain-0                                   0  =20
          1024     1

          > > r-----    729.1

          > > centos-4                                          =20
          512

          > > 1                         0.0

          > > laptopvm:~#

          > >

          > > Its config file is in:

          > >
          /var/lib/xend/domains/c0e57693-78a5-0a0b-89b6-93034535ab5a/config=
.sxp

          > >

          > > Then I did a P2V of another OS and I have the *.img
          file and the config file

          > > but I

          > > can't get Xen recognize it as another domU.

          > >

          > > How can I make Xen/Xend do that as well as generate
          the UUIDs for the domU's

          > > devices in its config.sxp file ?

          > > Any useful commands?

          > >

          > > Regards=2C

          > > Tony.

          > >

          > >

          > >

          > > _______________________________________________

          > > Xen-users mailing list

          > > Xen-users@lists.xensource.com

          > > http://lists.xensource.com/xen-users

          > >

          > >

       =20
     =20
   =20
   =20

 =20


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<font class=3D"Apple-style-span" face=3D"Tahoma" size=3D"2">Hello Kyle=2C</=
font><div style=3D"font-family: Tahoma=3B font-size: 10pt=3B "><br></div><d=
iv><font class=3D"Apple-style-span" face=3D"Tahoma" size=3D"2">I hope you a=
re having a good day=2C I have just&nbsp=3Bsubmitted&nbsp=3B the bug report=
 to Debian libvirt maintainers&nbsp=3B</font></div><div><font class=3D"Appl=
e-style-span" face=3D"Tahoma" size=3D"2">and awaiting further information.&=
nbsp=3B</font><span class=3D"Apple-style-span" style=3D"font-family: Tahoma=
=3B font-size: 13px=3B ">I did exactly what you suggest and in fact it work=
ed in the end :D.</span></div><div style=3D"font-family: Tahoma=3B font-siz=
e: 10pt=3B ">The error:&nbsp=3BImportError: No module named lxml also was a=
n issue to me but I tried this:</div><div style=3D"font-family: Tahoma=3B f=
ont-size: 10pt=3B "><br></div><div><font class=3D"Apple-style-span" face=3D=
"Tahoma" size=3D"2"># dpkg -i python-lxml_2.2.8-2_amd64.deb</font></div><di=
v><font class=3D"Apple-style-span" face=3D"Tahoma" size=3D"2"><br></font></=
div><div><font class=3D"Apple-style-span" face=3D"Tahoma" size=3D"2">It fin=
ishes with errors but #xm new is able to work=2C I am afraid my python2.6 i=
s not yet properly configured though.</font></div><div><font class=3D"Apple=
-style-span" face=3D"Tahoma" size=3D"2">I've pasted a complete output of th=
is to convert to XML here:&nbsp=3B</font><a href=3D"http://paste.debian.net=
/147767/">http://paste.debian.net/147767/</a><span class=3D"Apple-style-spa=
n" style=3D"font-family: Tahoma=3B font-size: 10pt=3B ">&nbsp=3B</span></di=
v><div><span class=3D"Apple-style-span" style=3D"font-family: Tahoma=3B fon=
t-size: 10pt=3B ">Fortunately it got into libvirt :). I will start now to t=
est remus on this and see if I need the option you mention.</span></div><di=
v><font class=3D"Apple-style-span" face=3D"Tahoma" size=3D"2"><br></font></=
div><div><font class=3D"Apple-style-span" face=3D"Tahoma" size=3D"2">I thin=
k that is everything=2C so Kyle thank you for you much appreciated help=2C =
it would have been far more difficult</font></div><div><font class=3D"Apple=
-style-span" face=3D"Tahoma" size=3D"2">without you.</font></div><div><font=
 class=3D"Apple-style-span" face=3D"Tahoma" size=3D"2"><br></font></div><di=
v><font class=3D"Apple-style-span" face=3D"Tahoma" size=3D"2">By the way=2C=
 enjoy your trip! =3B)</font></div><div><font class=3D"Apple-style-span" fa=
ce=3D"Tahoma" size=3D"2"><br></font></div><div><font class=3D"Apple-style-s=
pan" face=3D"Tahoma" size=3D"2">Tony.</font></div><div><font class=3D"Apple=
-style-span" face=3D"Tahoma" size=3D"2"><br></font></div><div><font class=
=3D"Apple-style-span" face=3D"Tahoma" size=3D"2"><br></font></div><div><fon=
t class=3D"Apple-style-span" face=3D"Tahoma" size=3D"2"><br></font><div sty=
le=3D"font-family: Tahoma=3B font-size: 10pt=3B "><hr id=3D"stopSpelling">D=
ate: Thu=2C 1 Dec 2011 23:41:20 +0800<br>From: kyl191@kyl191.net<br>To: dft=
onywhite@hotmail.com<br>CC: xen-users@lists.xensource.com<br>Subject: Re: [=
Xen-users] How to make a P2V domU be recognized by Xend<br><br>
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    Hi Tony=2C<br>
    <br>
    I just tried converting your linked config file myself. I'm getting
    the same error message as you=2C so it seems to be a bug in
    virsh/libvirt. For the record=2C this is my system:<br>
    <br>
    [root@elemental log]# virsh version<br>
    Compiled against library: libvir 0.9.6<br>
    Using library: libvir 0.9.6<br>
    Using API: Xen 0.9.6<br>
    Running hypervisor: Xen 4.1.0<br>
    <br>
    I'd suggest filing a bug in Debian and attaching your config file as
    a reference. I'm going to poke around a bit more with the libvirt
    debug options when I get back from a trip on Sunday=2C and based on
    the results of that I might file a bug in Fedora too.<br>
    <br>
    One thing you might be able to try - run "xm new config.file". It's
    listed under "Common 'xm' commands" as " Adds a domain to Xend
    domain management". That might get it into libvirt/virsh=2C it might
    not. On my system it's not working=2C complaining about "No module
    named lxml"=2C so I need to go find the module &amp=3B install it. <br>
    <br>
    As for your Remus question=2C I've never used Remus before=2C but as fa=
r
    as I know=2C Remus + Xen/libvirt can be run independently. At one
    point in time there was mention of being able to specify a disk like
    'phy:remus:/dev/vg/lv' in your domain config file=2C and Xen would
    take care of some configuration options=2C but I'm not sure what
    happened to it. <br>
    Hopefully someone has a known-accurate answer. <br>
    <br>
    Good luck!<br>
    - Kyle<br>
    <br>
    On 1/12/2011 8:57 PM=2C Antonio Colin wrote:
    <blockquote cite=3D"mid:SNT114-W4F7856313A906C704BCC0A6B10@phx.gbl">
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      <div dir=3D"ltr">
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
Hi
            Kyle=2C</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
<br>
          </font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
Thanks
            so much for your time and advice=2C I must say it's been&nbsp=
=3B</font><span class=3D"ecxApple-style-span" style=3D"font-family:Arial=3B=
font-size:10pt">far much helpful and I appreciate it.&nbsp=3B</span></div>
        <div><span class=3D"ecxApple-style-span" style=3D"font-family:Arial=
=3Bfont-size:10pt">I have upgraded to the most recent&nbsp=3B</span><span c=
lass=3D"ecxApple-style-span" style=3D"font-family:Arial=3Bfont-size:10pt">v=
ersion of libvirt for AMD64 architecture
            which is 0.9.2-7</span></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
(<a href=3D"http://packages.debian.org/squeeze-backports/amd64/libvirt0/dow=
nload" target=3D"_blank">http://packages.debian.org/squeeze-backports/amd64=
/libvirt0/download</a>)
            and this is the result:</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
<br>
          </font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
root@neutrino:~#
            virsh version</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
Compiled
            against library: libvir 0.9.2</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
Using
            library: libvir 0.9.2</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
Using
            API: Xen 3.0.1</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
Running
            hypervisor: Xen 4.1.0</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
root@neutrino:~#&nbsp=3B</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
<br>
          </font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
The
            UNIX socket interface is enabled: (xend-unix-server yes). No
            clue about the Xen API line yet.</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
<br>
          </font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
Here
            is a new phenomenon though:</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
root@neutrino:~#
            virsh -c xen:/// domxml-from-native xen-xm winxp.cfg &gt=3B
            config.xml&nbsp=3B</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
error:
            An error occurred=2C but the cause is unknown</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
root@neutrino:~#&nbsp=3B</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
<br>
          </font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
As
            you've perfectly described I can actually start the domain
            using: #xm create winxp.cfg. And again=2C the control is
            managed by&nbsp=3B</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
xm and
            # virsh list --all doesn't show anything. Virsh cannot
            create the domain since it is not in an XML format nor can
            it start it&nbsp=3B</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
because
            it is not a libvirt managed domain.</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
&nbsp=3B&nbsp=3B</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
There
            are no last entries either in /var/log/messages or
            /var/log/libvirt/libvirtd.log. Virsh and virt-manager are
            working fine and can&nbsp=3B</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
indeed
            connect to&nbsp=3B</font><span class=3D"ecxApple-style-span" st=
yle=3D"font-family:Arial=3Bfont-size:10pt">the
            hypervisor.</span></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
<br>
          </font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
And
            just one last question: remus (for HA)=2C is independent of
            all the libvirt management and workarounds? I mean=2C can I
            use both things&nbsp=3B</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
at the
            same time?=2C &nbsp=3B</font><span class=3D"ecxApple-style-span=
" style=3D"font-family:Arial=3Bfont-size:10pt">because I see
            virsh / virt-manager can in fact migrate domains=2C but it is
            just live-migration and not intended for HA.</span></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
<br>
          </font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
Thank
            you once again!</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
<br>
          </font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
Tony.</font></div>
        <div style=3D"font-family:Tahoma=3Bfont-size:10pt"><br>
        </div>
        <font class=3D"ecxApple-style-span" face=3D"Tahoma" size=3D"2">____=
___________________________________________________________________________=
________</font><br>
        <div style=3D"font-family:Tahoma=3Bfont-size:10pt">&gt=3B From:
          <a class=3D"ecxmoz-txt-link-abbreviated" href=3D"mailto:kyl191@ky=
l191.net">kyl191@kyl191.net</a><br>
          &gt=3B Date: Thu=2C 1 Dec 2011 11:34:06 +0800<br>
          &gt=3B Subject: Re: [Xen-users] How to make a P2V domU be
          recognized by Xend<br>
          &gt=3B To: <a class=3D"ecxmoz-txt-link-abbreviated" href=3D"mailt=
o:dftonywhite@hotmail.com">dftonywhite@hotmail.com</a><br>
          &gt=3B CC: <a class=3D"ecxmoz-txt-link-abbreviated" href=3D"mailt=
o:xen-users@lists.xensource.com">xen-users@lists.xensource.com</a><br>
          &gt=3B <br>
          &gt=3B Hi Tony=2C<br>
          &gt=3B Those errors look like something's wrong with libvirt -<br=
>
          &gt=3B <a class=3D"ecxmoz-txt-link-freetext" href=3D"http://wiki.=
libvirt.org/page/FAQ#error%3a_Unknown_Failure" target=3D"_blank">http://wik=
i.libvirt.org/page/FAQ#error:_Unknown_Failure</a>
          mentions that<br>
          &gt=3B the "Unknown failure" messages are a result of bad error
          reporting in<br>
          &gt=3B libvirt=2C but says more details should be available in
          dmesg and<br>
          &gt=3B /var/log/messages.log<br>
          &gt=3B <br>
          &gt=3B Those libvirt versions are quite old though - I'm
          guessing Debian 6 is<br>
          &gt=3B the stable release?
          <a class=3D"ecxmoz-txt-link-freetext" href=3D"http://packages.deb=
ian.org/stable/libvirt-bin" target=3D"_blank">http://packages.debian.org/st=
able/libvirt-bin</a> says<br>
          &gt=3B the version is still 0.8.3-5+squeeze2=2C when the latest
          release is<br>
          &gt=3B 0.9.7 (<a class=3D"ecxmoz-txt-link-freetext" href=3D"http:=
//libvirt.org/sources/" target=3D"_blank">http://libvirt.org/sources/</a>)<=
br>
          &gt=3B <br>
          &gt=3B Any chance of using a backport?<br>
          &gt=3B <a class=3D"ecxmoz-txt-link-freetext" href=3D"http://packa=
ges.debian.org/squeeze-backports/libvirt-bin" target=3D"_blank">http://pack=
ages.debian.org/squeeze-backports/libvirt-bin</a>
          is 0.9.6=2C so<br>
          &gt=3B that might work better. I'm just wondering about the Xen
          API line -<br>
          &gt=3B 4.0 to 4.1 made a number of changes=2C so I don't know wha=
t
          3.0.1 to<br>
          &gt=3B 4.1.0 would be like=2C and I'm thinking that might be the
          source of the<br>
          &gt=3B errors.<br>
          &gt=3B <br>
          &gt=3B That said - your config file is a standard Xen config
          file=2C so it's<br>
          &gt=3B strange that it'd be in /var/lib/xend/domains. You can
          get around<br>
          &gt=3B virsh to at least see if it starts - Put the config (or a
          copy) in<br>
          &gt=3B /etc/xen=2C and try xm create -c /etc/xen/filename. That
          should at least<br>
          &gt=3B get Xen starting the domU=2C but not managing it yet.<br>
          &gt=3B <br>
          &gt=3B - Kyle<br>
          &gt=3B <br>
          &gt=3B On Thu=2C Dec 1=2C 2011 at 5:40 AM=2C Antonio Colin
          <a class=3D"ecxmoz-txt-link-rfc2396E" href=3D"mailto:dftonywhite@=
hotmail.com">&lt=3Bdftonywhite@hotmail.com&gt=3B</a> wrote:<br>
          &gt=3B &gt=3B Hi Kyle=2C<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B Sorry for late reply but I was trying this=2C final=
ly
          I got this error:<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B root@neutrino:~# virsh -c xen:/// domxml-from-nativ=
e
          xen-xm winxp.cfg<br>
          &gt=3B &gt=3B error: Unknown failure<br>
          &gt=3B &gt=3B root@neutrino:~#&nbsp=3Bvirsh domxml-from-native xe=
n-xm
          winxp.cfg &gt=3B config.xml &amp=3B&amp=3B<br>
          &gt=3B &gt=3B virsh define config.xml<br>
          &gt=3B &gt=3B error: Unknown failure<br>
          &gt=3B &gt=3B root@neutrino:~#<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B My config file is Python format and it's
          here:&nbsp=3B<a class=3D"ecxmoz-txt-link-freetext" href=3D"http:/=
/pastebin.com/yc9qBSSJ" target=3D"_blank">http://pastebin.com/yc9qBSSJ</a><=
br>
          &gt=3B &gt=3B And the libvirt and hypervisor versions I am using
          are these:<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B root@neutrino:~# virsh version<br>
          &gt=3B &gt=3B Compiled against library: libvir 0.8.3<br>
          &gt=3B &gt=3B Using library: libvir 0.8.3<br>
          &gt=3B &gt=3B Using API: Xen 3.0.1<br>
          &gt=3B &gt=3B Running hypervisor: Xen 4.1.0<br>
          &gt=3B &gt=3B root@neutrino:~#<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B Thank you=2C<br>
          &gt=3B &gt=3B Tony.<br>
          &gt=3B &gt=3B ________________________________<br>
          &gt=3B &gt=3B Date: Sun=2C 27 Nov 2011 10:14:42 +0800<br>
          &gt=3B &gt=3B From: <a class=3D"ecxmoz-txt-link-abbreviated" href=
=3D"mailto:kyl191@kyl191.net">kyl191@kyl191.net</a><br>
          &gt=3B &gt=3B To: <a class=3D"ecxmoz-txt-link-abbreviated" href=
=3D"mailto:dftonywhite@hotmail.com">dftonywhite@hotmail.com</a><br>
          &gt=3B &gt=3B CC: <a class=3D"ecxmoz-txt-link-abbreviated" href=
=3D"mailto:xen-users@lists.xensource.com">xen-users@lists.xensource.com</a>=
<br>
          &gt=3B &gt=3B Subject: Re: [Xen-users] How to make a P2V domU be
          recognized by Xend<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B Hi=2C<br>
          &gt=3B &gt=3B What config file format do you have? A xml file=2C =
the
          native xen config file<br>
          &gt=3B &gt=3B (just a check of python code) or the config.sxp
          format?<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B You'll need to get xend to recognise the config fil=
e
          first=2C and to do that<br>
          &gt=3B &gt=3B you'll need to import it. virsh has a number of
          tools to help with that - if<br>
          &gt=3B &gt=3B you have a python config=2C you can do a<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B virsh domxml-from-native config.file &gt=3B config.=
xml
          &amp=3B&amp=3B virsh define config.xml<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B If you have the config.sxp format=2C I'm afraid I'v=
e
          got no clue how to help<br>
          &gt=3B &gt=3B you - From what I understand it's a copy of the
          stuff in xenstore=2C so I'm<br>
          &gt=3B &gt=3B not sure if you can simply create a folder with the
          domU's uuid and move the<br>
          &gt=3B &gt=3B config file there and expect it to work. You could
          try creating a native xen<br>
          &gt=3B &gt=3B config file from the examples in /etc/xen=2C and ju=
st
          specify the disk image<br>
          &gt=3B &gt=3B to use=2C then just do a xm start config.file<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B Hope that helped..<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B - Kyle<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B On 26/11/2011 3:12 PM=2C Antonio Colin wrote:<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B Hi Guys=2C<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B I have Debian 6 + Xen 4.1.1 and created a DomU with
          virt-manager after<br>
          &gt=3B &gt=3B creation:<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B laptopvm:~# xm list<br>
          &gt=3B &gt=3B Name&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=
=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B=
&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nb=
sp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=
=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B ID&nbsp=3B&nbsp=3B Mem
          VCPUs&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B State<br>
          &gt=3B &gt=3B Time(s)<br>
          &gt=3B &gt=3B Domain-0&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nb=
sp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=
=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B=
&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nb=
sp=3B 0&nbsp=3B&nbsp=3B&nbsp=3B
          1024&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B 1<br>
          &gt=3B &gt=3B r-----&nbsp=3B&nbsp=3B&nbsp=3B 729.1<br>
          &gt=3B &gt=3B centos-4&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nb=
sp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=
=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B=
&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nb=
sp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B &nbsp=3B &nbsp=3B
          512<br>
          &gt=3B &gt=3B 1&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&n=
bsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=
=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B 0.0<br>
          &gt=3B &gt=3B laptopvm:~#<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B Its config file is in:<br>
          &gt=3B &gt=3B
          /var/lib/xend/domains/c0e57693-78a5-0a0b-89b6-93034535ab5a/config=
.sxp<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B Then I did a P2V of another OS and I have the *.img
          file and the config file<br>
          &gt=3B &gt=3B but I<br>
          &gt=3B &gt=3B can't get Xen recognize it as another domU.<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B How can I make Xen/Xend do that as well as generate
          the UUIDs for the domU's<br>
          &gt=3B &gt=3B devices in its config.sxp file ?<br>
          &gt=3B &gt=3B Any useful commands?<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B Regards=2C<br>
          &gt=3B &gt=3B Tony.<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B _______________________________________________<br>
          &gt=3B &gt=3B Xen-users mailing list<br>
          &gt=3B &gt=3B <a class=3D"ecxmoz-txt-link-abbreviated" href=3D"ma=
ilto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.com</a><br>
          &gt=3B &gt=3B <a class=3D"ecxmoz-txt-link-freetext" href=3D"http:=
//lists.xensource.com/xen-users" target=3D"_blank">http://lists.xensource.c=
om/xen-users</a><br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B<br>
        </div>
      </div>
    </blockquote>
    <br>
 =20

<br>_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users</div></div> 		 	   		  </div></body>
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Hello Kyle=2C
I hope you are having a good day=2C I have just submitted  the bug report t=
o Debian libvirt maintainers and awaiting further information. I did exactl=
y what you suggest and in fact it worked in the end :D.The error: ImportErr=
or: No module named lxml also was an issue to me but I tried this:
# dpkg -i python-lxml_2.2.8-2_amd64.deb
It finishes with errors but #xm new is able to work=2C I am afraid my pytho=
n2.6 is not yet properly configured though.I've pasted a complete output of=
 this to convert to XML here: http://paste.debian.net/147767/ Fortunately i=
t got into libvirt :). I will start now to test remus on this and see if I =
need the option you mention.
I think that is everything=2C so Kyle thank you for you much appreciated he=
lp=2C it would have been far more difficultwithout you.
By the way=2C enjoy your trip! =3B)
Tony.


Date: Thu=2C 1 Dec 2011 23:41:20 +0800
From: kyl191@kyl191.net
To: dftonywhite@hotmail.com
CC: xen-users@lists.xensource.com
Subject: Re: [Xen-users] How to make a P2V domU be recognized by Xend


 =20


   =20
 =20
 =20
    Hi Tony=2C

   =20

    I just tried converting your linked config file myself. I'm getting
    the same error message as you=2C so it seems to be a bug in
    virsh/libvirt. For the record=2C this is my system:

   =20

    [root@elemental log]# virsh version

    Compiled against library: libvir 0.9.6

    Using library: libvir 0.9.6

    Using API: Xen 0.9.6

    Running hypervisor: Xen 4.1.0

   =20

    I'd suggest filing a bug in Debian and attaching your config file as
    a reference. I'm going to poke around a bit more with the libvirt
    debug options when I get back from a trip on Sunday=2C and based on
    the results of that I might file a bug in Fedora too.

   =20

    One thing you might be able to try - run "xm new config.file". It's
    listed under "Common 'xm' commands" as " Adds a domain to Xend
    domain management". That might get it into libvirt/virsh=2C it might
    not. On my system it's not working=2C complaining about "No module
    named lxml"=2C so I need to go find the module & install it.=20

   =20

    As for your Remus question=2C I've never used Remus before=2C but as fa=
r
    as I know=2C Remus + Xen/libvirt can be run independently. At one
    point in time there was mention of being able to specify a disk like
    'phy:remus:/dev/vg/lv' in your domain config file=2C and Xen would
    take care of some configuration options=2C but I'm not sure what
    happened to it.=20

    Hopefully someone has a known-accurate answer.=20

   =20

    Good luck!

    - Kyle

   =20

    On 1/12/2011 8:57 PM=2C Antonio Colin wrote:
   =20
     =20
     =20
        Hi
            Kyle=2C
       =20

         =20
        Thanks
            so much for your time and advice=2C I must say it's been far mu=
ch helpful and I appreciate it.=20
        I have upgraded to the most recent version of libvirt for AMD64 arc=
hitecture
            which is 0.9.2-7
        (http://packages.debian.org/squeeze-backports/amd64/libvirt0/downlo=
ad)
            and this is the result:
       =20

         =20
        root@neutrino:~#
            virsh version
        Compiled
            against library: libvir 0.9.2
        Using
            library: libvir 0.9.2
        Using
            API: Xen 3.0.1
        Running
            hypervisor: Xen 4.1.0
        root@neutrino:~#=20
       =20

         =20
        The
            UNIX socket interface is enabled: (xend-unix-server yes). No
            clue about the Xen API line yet.
       =20

         =20
        Here
            is a new phenomenon though:
        root@neutrino:~#
            virsh -c xen:/// domxml-from-native xen-xm winxp.cfg >
            config.xml=20
        error:
            An error occurred=2C but the cause is unknown
        root@neutrino:~#=20
       =20

         =20
        As
            you've perfectly described I can actually start the domain
            using: #xm create winxp.cfg. And again=2C the control is
            managed by=20
        xm and
            # virsh list --all doesn't show anything. Virsh cannot
            create the domain since it is not in an XML format nor can
            it start it=20
        because
            it is not a libvirt managed domain.
         =20
        There
            are no last entries either in /var/log/messages or
            /var/log/libvirt/libvirtd.log. Virsh and virt-manager are
            working fine and can=20
        indeed
            connect to the
            hypervisor.
       =20

         =20
        And
            just one last question: remus (for HA)=2C is independent of
            all the libvirt management and workarounds? I mean=2C can I
            use both things=20
        at the
            same time?=2C  because I see
            virsh / virt-manager can in fact migrate domains=2C but it is
            just live-migration and not intended for HA.
       =20

         =20
        Thank
            you once again!
       =20

         =20
        Tony.
       =20

       =20
        ___________________________________________________________________=
____________________

        > From:
          kyl191@kyl191.net

          > Date: Thu=2C 1 Dec 2011 11:34:06 +0800

          > Subject: Re: [Xen-users] How to make a P2V domU be
          recognized by Xend

          > To: dftonywhite@hotmail.com

          > CC: xen-users@lists.xensource.com

          >=20

          > Hi Tony=2C

          > Those errors look like something's wrong with libvirt -

          > http://wiki.libvirt.org/page/FAQ#error:_Unknown_Failure
          mentions that

          > the "Unknown failure" messages are a result of bad error
          reporting in

          > libvirt=2C but says more details should be available in
          dmesg and

          > /var/log/messages.log

          >=20

          > Those libvirt versions are quite old though - I'm
          guessing Debian 6 is

          > the stable release?
          http://packages.debian.org/stable/libvirt-bin says

          > the version is still 0.8.3-5+squeeze2=2C when the latest
          release is

          > 0.9.7 (http://libvirt.org/sources/)

          >=20

          > Any chance of using a backport?

          > http://packages.debian.org/squeeze-backports/libvirt-bin
          is 0.9.6=2C so

          > that might work better. I'm just wondering about the Xen
          API line -

          > 4.0 to 4.1 made a number of changes=2C so I don't know what
          3.0.1 to

          > 4.1.0 would be like=2C and I'm thinking that might be the
          source of the

          > errors.

          >=20

          > That said - your config file is a standard Xen config
          file=2C so it's

          > strange that it'd be in /var/lib/xend/domains. You can
          get around

          > virsh to at least see if it starts - Put the config (or a
          copy) in

          > /etc/xen=2C and try xm create -c /etc/xen/filename. That
          should at least

          > get Xen starting the domU=2C but not managing it yet.

          >=20

          > - Kyle

          >=20

          > On Thu=2C Dec 1=2C 2011 at 5:40 AM=2C Antonio Colin
          <dftonywhite@hotmail.com> wrote:

          > > Hi Kyle=2C

          > >

          > > Sorry for late reply but I was trying this=2C finally
          I got this error:

          > >

          > > root@neutrino:~# virsh -c xen:/// domxml-from-native
          xen-xm winxp.cfg

          > > error: Unknown failure

          > > root@neutrino:~# virsh domxml-from-native xen-xm
          winxp.cfg > config.xml &&

          > > virsh define config.xml

          > > error: Unknown failure

          > > root@neutrino:~#

          > >

          > > My config file is Python format and it's
          here: http://pastebin.com/yc9qBSSJ

          > > And the libvirt and hypervisor versions I am using
          are these:

          > >

          > > root@neutrino:~# virsh version

          > > Compiled against library: libvir 0.8.3

          > > Using library: libvir 0.8.3

          > > Using API: Xen 3.0.1

          > > Running hypervisor: Xen 4.1.0

          > > root@neutrino:~#

          > >

          > > Thank you=2C

          > > Tony.

          > > ________________________________

          > > Date: Sun=2C 27 Nov 2011 10:14:42 +0800

          > > From: kyl191@kyl191.net

          > > To: dftonywhite@hotmail.com

          > > CC: xen-users@lists.xensource.com

          > > Subject: Re: [Xen-users] How to make a P2V domU be
          recognized by Xend

          > >

          > >

          > > Hi=2C

          > > What config file format do you have? A xml file=2C the
          native xen config file

          > > (just a check of python code) or the config.sxp
          format?

          > >

          > > You'll need to get xend to recognise the config file
          first=2C and to do that

          > > you'll need to import it. virsh has a number of
          tools to help with that - if

          > > you have a python config=2C you can do a

          > >

          > > virsh domxml-from-native config.file > config.xml
          && virsh define config.xml

          > >

          > > If you have the config.sxp format=2C I'm afraid I've
          got no clue how to help

          > > you - From what I understand it's a copy of the
          stuff in xenstore=2C so I'm

          > > not sure if you can simply create a folder with the
          domU's uuid and move the

          > > config file there and expect it to work. You could
          try creating a native xen

          > > config file from the examples in /etc/xen=2C and just
          specify the disk image

          > > to use=2C then just do a xm start config.file

          > >

          > > Hope that helped..

          > >

          > > - Kyle

          > >

          > > On 26/11/2011 3:12 PM=2C Antonio Colin wrote:

          > >

          > > Hi Guys=2C

          > >

          > > I have Debian 6 + Xen 4.1.1 and created a DomU with
          virt-manager after

          > > creation:

          > >

          > > laptopvm:~# xm list

          > > Name                                        ID   Mem
          VCPUs      State

          > > Time(s)

          > > Domain-0                                   0  =20
          1024     1

          > > r-----    729.1

          > > centos-4                                          =20
          512

          > > 1                         0.0

          > > laptopvm:~#

          > >

          > > Its config file is in:

          > >
          /var/lib/xend/domains/c0e57693-78a5-0a0b-89b6-93034535ab5a/config=
.sxp

          > >

          > > Then I did a P2V of another OS and I have the *.img
          file and the config file

          > > but I

          > > can't get Xen recognize it as another domU.

          > >

          > > How can I make Xen/Xend do that as well as generate
          the UUIDs for the domU's

          > > devices in its config.sxp file ?

          > > Any useful commands?

          > >

          > > Regards=2C

          > > Tony.

          > >

          > >

          > >

          > > _______________________________________________

          > > Xen-users mailing list

          > > Xen-users@lists.xensource.com

          > > http://lists.xensource.com/xen-users

          > >

          > >

       =20
     =20
   =20
   =20

 =20


_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users 		 	   		  =

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<body class=3D'hmmessage'><div dir=3D'ltr'>
<font class=3D"Apple-style-span" face=3D"Tahoma" size=3D"2">Hello Kyle=2C</=
font><div style=3D"font-family: Tahoma=3B font-size: 10pt=3B "><br></div><d=
iv><font class=3D"Apple-style-span" face=3D"Tahoma" size=3D"2">I hope you a=
re having a good day=2C I have just&nbsp=3Bsubmitted&nbsp=3B the bug report=
 to Debian libvirt maintainers&nbsp=3B</font></div><div><font class=3D"Appl=
e-style-span" face=3D"Tahoma" size=3D"2">and awaiting further information.&=
nbsp=3B</font><span class=3D"Apple-style-span" style=3D"font-family: Tahoma=
=3B font-size: 13px=3B ">I did exactly what you suggest and in fact it work=
ed in the end :D.</span></div><div style=3D"font-family: Tahoma=3B font-siz=
e: 10pt=3B ">The error:&nbsp=3BImportError: No module named lxml also was a=
n issue to me but I tried this:</div><div style=3D"font-family: Tahoma=3B f=
ont-size: 10pt=3B "><br></div><div><font class=3D"Apple-style-span" face=3D=
"Tahoma" size=3D"2"># dpkg -i python-lxml_2.2.8-2_amd64.deb</font></div><di=
v><font class=3D"Apple-style-span" face=3D"Tahoma" size=3D"2"><br></font></=
div><div><font class=3D"Apple-style-span" face=3D"Tahoma" size=3D"2">It fin=
ishes with errors but #xm new is able to work=2C I am afraid my python2.6 i=
s not yet properly configured though.</font></div><div><font class=3D"Apple=
-style-span" face=3D"Tahoma" size=3D"2">I've pasted a complete output of th=
is to convert to XML here:&nbsp=3B</font><a href=3D"http://paste.debian.net=
/147767/">http://paste.debian.net/147767/</a><span class=3D"Apple-style-spa=
n" style=3D"font-family: Tahoma=3B font-size: 10pt=3B ">&nbsp=3B</span></di=
v><div><span class=3D"Apple-style-span" style=3D"font-family: Tahoma=3B fon=
t-size: 10pt=3B ">Fortunately it got into libvirt :). I will start now to t=
est remus on this and see if I need the option you mention.</span></div><di=
v><font class=3D"Apple-style-span" face=3D"Tahoma" size=3D"2"><br></font></=
div><div><font class=3D"Apple-style-span" face=3D"Tahoma" size=3D"2">I thin=
k that is everything=2C so Kyle thank you for you much appreciated help=2C =
it would have been far more difficult</font></div><div><font class=3D"Apple=
-style-span" face=3D"Tahoma" size=3D"2">without you.</font></div><div><font=
 class=3D"Apple-style-span" face=3D"Tahoma" size=3D"2"><br></font></div><di=
v><font class=3D"Apple-style-span" face=3D"Tahoma" size=3D"2">By the way=2C=
 enjoy your trip! =3B)</font></div><div><font class=3D"Apple-style-span" fa=
ce=3D"Tahoma" size=3D"2"><br></font></div><div><font class=3D"Apple-style-s=
pan" face=3D"Tahoma" size=3D"2">Tony.</font></div><div><font class=3D"Apple=
-style-span" face=3D"Tahoma" size=3D"2"><br></font></div><div><font class=
=3D"Apple-style-span" face=3D"Tahoma" size=3D"2"><br></font></div><div><fon=
t class=3D"Apple-style-span" face=3D"Tahoma" size=3D"2"><br></font><div sty=
le=3D"font-family: Tahoma=3B font-size: 10pt=3B "><hr id=3D"stopSpelling">D=
ate: Thu=2C 1 Dec 2011 23:41:20 +0800<br>From: kyl191@kyl191.net<br>To: dft=
onywhite@hotmail.com<br>CC: xen-users@lists.xensource.com<br>Subject: Re: [=
Xen-users] How to make a P2V domU be recognized by Xend<br><br>
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    Hi Tony=2C<br>
    <br>
    I just tried converting your linked config file myself. I'm getting
    the same error message as you=2C so it seems to be a bug in
    virsh/libvirt. For the record=2C this is my system:<br>
    <br>
    [root@elemental log]# virsh version<br>
    Compiled against library: libvir 0.9.6<br>
    Using library: libvir 0.9.6<br>
    Using API: Xen 0.9.6<br>
    Running hypervisor: Xen 4.1.0<br>
    <br>
    I'd suggest filing a bug in Debian and attaching your config file as
    a reference. I'm going to poke around a bit more with the libvirt
    debug options when I get back from a trip on Sunday=2C and based on
    the results of that I might file a bug in Fedora too.<br>
    <br>
    One thing you might be able to try - run "xm new config.file". It's
    listed under "Common 'xm' commands" as " Adds a domain to Xend
    domain management". That might get it into libvirt/virsh=2C it might
    not. On my system it's not working=2C complaining about "No module
    named lxml"=2C so I need to go find the module &amp=3B install it. <br>
    <br>
    As for your Remus question=2C I've never used Remus before=2C but as fa=
r
    as I know=2C Remus + Xen/libvirt can be run independently. At one
    point in time there was mention of being able to specify a disk like
    'phy:remus:/dev/vg/lv' in your domain config file=2C and Xen would
    take care of some configuration options=2C but I'm not sure what
    happened to it. <br>
    Hopefully someone has a known-accurate answer. <br>
    <br>
    Good luck!<br>
    - Kyle<br>
    <br>
    On 1/12/2011 8:57 PM=2C Antonio Colin wrote:
    <blockquote cite=3D"mid:SNT114-W4F7856313A906C704BCC0A6B10@phx.gbl">
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.ExternalClass .ecxhmmessage P
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      <div dir=3D"ltr">
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
Hi
            Kyle=2C</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
<br>
          </font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
Thanks
            so much for your time and advice=2C I must say it's been&nbsp=
=3B</font><span class=3D"ecxApple-style-span" style=3D"font-family:Arial=3B=
font-size:10pt">far much helpful and I appreciate it.&nbsp=3B</span></div>
        <div><span class=3D"ecxApple-style-span" style=3D"font-family:Arial=
=3Bfont-size:10pt">I have upgraded to the most recent&nbsp=3B</span><span c=
lass=3D"ecxApple-style-span" style=3D"font-family:Arial=3Bfont-size:10pt">v=
ersion of libvirt for AMD64 architecture
            which is 0.9.2-7</span></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
(<a href=3D"http://packages.debian.org/squeeze-backports/amd64/libvirt0/dow=
nload" target=3D"_blank">http://packages.debian.org/squeeze-backports/amd64=
/libvirt0/download</a>)
            and this is the result:</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
<br>
          </font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
root@neutrino:~#
            virsh version</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
Compiled
            against library: libvir 0.9.2</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
Using
            library: libvir 0.9.2</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
Using
            API: Xen 3.0.1</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
Running
            hypervisor: Xen 4.1.0</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
root@neutrino:~#&nbsp=3B</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
<br>
          </font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
The
            UNIX socket interface is enabled: (xend-unix-server yes). No
            clue about the Xen API line yet.</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
<br>
          </font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
Here
            is a new phenomenon though:</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
root@neutrino:~#
            virsh -c xen:/// domxml-from-native xen-xm winxp.cfg &gt=3B
            config.xml&nbsp=3B</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
error:
            An error occurred=2C but the cause is unknown</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
root@neutrino:~#&nbsp=3B</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
<br>
          </font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
As
            you've perfectly described I can actually start the domain
            using: #xm create winxp.cfg. And again=2C the control is
            managed by&nbsp=3B</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
xm and
            # virsh list --all doesn't show anything. Virsh cannot
            create the domain since it is not in an XML format nor can
            it start it&nbsp=3B</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
because
            it is not a libvirt managed domain.</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
&nbsp=3B&nbsp=3B</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
There
            are no last entries either in /var/log/messages or
            /var/log/libvirt/libvirtd.log. Virsh and virt-manager are
            working fine and can&nbsp=3B</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
indeed
            connect to&nbsp=3B</font><span class=3D"ecxApple-style-span" st=
yle=3D"font-family:Arial=3Bfont-size:10pt">the
            hypervisor.</span></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
<br>
          </font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
And
            just one last question: remus (for HA)=2C is independent of
            all the libvirt management and workarounds? I mean=2C can I
            use both things&nbsp=3B</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
at the
            same time?=2C &nbsp=3B</font><span class=3D"ecxApple-style-span=
" style=3D"font-family:Arial=3Bfont-size:10pt">because I see
            virsh / virt-manager can in fact migrate domains=2C but it is
            just live-migration and not intended for HA.</span></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
<br>
          </font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
Thank
            you once again!</font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
<br>
          </font></div>
        <div><font class=3D"ecxApple-style-span" face=3D"Arial" size=3D"2">=
Tony.</font></div>
        <div style=3D"font-family:Tahoma=3Bfont-size:10pt"><br>
        </div>
        <font class=3D"ecxApple-style-span" face=3D"Tahoma" size=3D"2">____=
___________________________________________________________________________=
________</font><br>
        <div style=3D"font-family:Tahoma=3Bfont-size:10pt">&gt=3B From:
          <a class=3D"ecxmoz-txt-link-abbreviated" href=3D"mailto:kyl191@ky=
l191.net">kyl191@kyl191.net</a><br>
          &gt=3B Date: Thu=2C 1 Dec 2011 11:34:06 +0800<br>
          &gt=3B Subject: Re: [Xen-users] How to make a P2V domU be
          recognized by Xend<br>
          &gt=3B To: <a class=3D"ecxmoz-txt-link-abbreviated" href=3D"mailt=
o:dftonywhite@hotmail.com">dftonywhite@hotmail.com</a><br>
          &gt=3B CC: <a class=3D"ecxmoz-txt-link-abbreviated" href=3D"mailt=
o:xen-users@lists.xensource.com">xen-users@lists.xensource.com</a><br>
          &gt=3B <br>
          &gt=3B Hi Tony=2C<br>
          &gt=3B Those errors look like something's wrong with libvirt -<br=
>
          &gt=3B <a class=3D"ecxmoz-txt-link-freetext" href=3D"http://wiki.=
libvirt.org/page/FAQ#error%3a_Unknown_Failure" target=3D"_blank">http://wik=
i.libvirt.org/page/FAQ#error:_Unknown_Failure</a>
          mentions that<br>
          &gt=3B the "Unknown failure" messages are a result of bad error
          reporting in<br>
          &gt=3B libvirt=2C but says more details should be available in
          dmesg and<br>
          &gt=3B /var/log/messages.log<br>
          &gt=3B <br>
          &gt=3B Those libvirt versions are quite old though - I'm
          guessing Debian 6 is<br>
          &gt=3B the stable release?
          <a class=3D"ecxmoz-txt-link-freetext" href=3D"http://packages.deb=
ian.org/stable/libvirt-bin" target=3D"_blank">http://packages.debian.org/st=
able/libvirt-bin</a> says<br>
          &gt=3B the version is still 0.8.3-5+squeeze2=2C when the latest
          release is<br>
          &gt=3B 0.9.7 (<a class=3D"ecxmoz-txt-link-freetext" href=3D"http:=
//libvirt.org/sources/" target=3D"_blank">http://libvirt.org/sources/</a>)<=
br>
          &gt=3B <br>
          &gt=3B Any chance of using a backport?<br>
          &gt=3B <a class=3D"ecxmoz-txt-link-freetext" href=3D"http://packa=
ges.debian.org/squeeze-backports/libvirt-bin" target=3D"_blank">http://pack=
ages.debian.org/squeeze-backports/libvirt-bin</a>
          is 0.9.6=2C so<br>
          &gt=3B that might work better. I'm just wondering about the Xen
          API line -<br>
          &gt=3B 4.0 to 4.1 made a number of changes=2C so I don't know wha=
t
          3.0.1 to<br>
          &gt=3B 4.1.0 would be like=2C and I'm thinking that might be the
          source of the<br>
          &gt=3B errors.<br>
          &gt=3B <br>
          &gt=3B That said - your config file is a standard Xen config
          file=2C so it's<br>
          &gt=3B strange that it'd be in /var/lib/xend/domains. You can
          get around<br>
          &gt=3B virsh to at least see if it starts - Put the config (or a
          copy) in<br>
          &gt=3B /etc/xen=2C and try xm create -c /etc/xen/filename. That
          should at least<br>
          &gt=3B get Xen starting the domU=2C but not managing it yet.<br>
          &gt=3B <br>
          &gt=3B - Kyle<br>
          &gt=3B <br>
          &gt=3B On Thu=2C Dec 1=2C 2011 at 5:40 AM=2C Antonio Colin
          <a class=3D"ecxmoz-txt-link-rfc2396E" href=3D"mailto:dftonywhite@=
hotmail.com">&lt=3Bdftonywhite@hotmail.com&gt=3B</a> wrote:<br>
          &gt=3B &gt=3B Hi Kyle=2C<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B Sorry for late reply but I was trying this=2C final=
ly
          I got this error:<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B root@neutrino:~# virsh -c xen:/// domxml-from-nativ=
e
          xen-xm winxp.cfg<br>
          &gt=3B &gt=3B error: Unknown failure<br>
          &gt=3B &gt=3B root@neutrino:~#&nbsp=3Bvirsh domxml-from-native xe=
n-xm
          winxp.cfg &gt=3B config.xml &amp=3B&amp=3B<br>
          &gt=3B &gt=3B virsh define config.xml<br>
          &gt=3B &gt=3B error: Unknown failure<br>
          &gt=3B &gt=3B root@neutrino:~#<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B My config file is Python format and it's
          here:&nbsp=3B<a class=3D"ecxmoz-txt-link-freetext" href=3D"http:/=
/pastebin.com/yc9qBSSJ" target=3D"_blank">http://pastebin.com/yc9qBSSJ</a><=
br>
          &gt=3B &gt=3B And the libvirt and hypervisor versions I am using
          are these:<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B root@neutrino:~# virsh version<br>
          &gt=3B &gt=3B Compiled against library: libvir 0.8.3<br>
          &gt=3B &gt=3B Using library: libvir 0.8.3<br>
          &gt=3B &gt=3B Using API: Xen 3.0.1<br>
          &gt=3B &gt=3B Running hypervisor: Xen 4.1.0<br>
          &gt=3B &gt=3B root@neutrino:~#<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B Thank you=2C<br>
          &gt=3B &gt=3B Tony.<br>
          &gt=3B &gt=3B ________________________________<br>
          &gt=3B &gt=3B Date: Sun=2C 27 Nov 2011 10:14:42 +0800<br>
          &gt=3B &gt=3B From: <a class=3D"ecxmoz-txt-link-abbreviated" href=
=3D"mailto:kyl191@kyl191.net">kyl191@kyl191.net</a><br>
          &gt=3B &gt=3B To: <a class=3D"ecxmoz-txt-link-abbreviated" href=
=3D"mailto:dftonywhite@hotmail.com">dftonywhite@hotmail.com</a><br>
          &gt=3B &gt=3B CC: <a class=3D"ecxmoz-txt-link-abbreviated" href=
=3D"mailto:xen-users@lists.xensource.com">xen-users@lists.xensource.com</a>=
<br>
          &gt=3B &gt=3B Subject: Re: [Xen-users] How to make a P2V domU be
          recognized by Xend<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B Hi=2C<br>
          &gt=3B &gt=3B What config file format do you have? A xml file=2C =
the
          native xen config file<br>
          &gt=3B &gt=3B (just a check of python code) or the config.sxp
          format?<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B You'll need to get xend to recognise the config fil=
e
          first=2C and to do that<br>
          &gt=3B &gt=3B you'll need to import it. virsh has a number of
          tools to help with that - if<br>
          &gt=3B &gt=3B you have a python config=2C you can do a<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B virsh domxml-from-native config.file &gt=3B config.=
xml
          &amp=3B&amp=3B virsh define config.xml<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B If you have the config.sxp format=2C I'm afraid I'v=
e
          got no clue how to help<br>
          &gt=3B &gt=3B you - From what I understand it's a copy of the
          stuff in xenstore=2C so I'm<br>
          &gt=3B &gt=3B not sure if you can simply create a folder with the
          domU's uuid and move the<br>
          &gt=3B &gt=3B config file there and expect it to work. You could
          try creating a native xen<br>
          &gt=3B &gt=3B config file from the examples in /etc/xen=2C and ju=
st
          specify the disk image<br>
          &gt=3B &gt=3B to use=2C then just do a xm start config.file<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B Hope that helped..<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B - Kyle<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B On 26/11/2011 3:12 PM=2C Antonio Colin wrote:<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B Hi Guys=2C<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B I have Debian 6 + Xen 4.1.1 and created a DomU with
          virt-manager after<br>
          &gt=3B &gt=3B creation:<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B laptopvm:~# xm list<br>
          &gt=3B &gt=3B Name&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=
=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B=
&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nb=
sp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=
=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B ID&nbsp=3B&nbsp=3B Mem
          VCPUs&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B State<br>
          &gt=3B &gt=3B Time(s)<br>
          &gt=3B &gt=3B Domain-0&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nb=
sp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=
=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B=
&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nb=
sp=3B 0&nbsp=3B&nbsp=3B&nbsp=3B
          1024&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B 1<br>
          &gt=3B &gt=3B r-----&nbsp=3B&nbsp=3B&nbsp=3B 729.1<br>
          &gt=3B &gt=3B centos-4&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nb=
sp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=
=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B=
&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nb=
sp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B &nbsp=3B &nbsp=3B
          512<br>
          &gt=3B &gt=3B 1&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&n=
bsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=
=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B 0.0<br>
          &gt=3B &gt=3B laptopvm:~#<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B Its config file is in:<br>
          &gt=3B &gt=3B
          /var/lib/xend/domains/c0e57693-78a5-0a0b-89b6-93034535ab5a/config=
.sxp<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B Then I did a P2V of another OS and I have the *.img
          file and the config file<br>
          &gt=3B &gt=3B but I<br>
          &gt=3B &gt=3B can't get Xen recognize it as another domU.<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B How can I make Xen/Xend do that as well as generate
          the UUIDs for the domU's<br>
          &gt=3B &gt=3B devices in its config.sxp file ?<br>
          &gt=3B &gt=3B Any useful commands?<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B Regards=2C<br>
          &gt=3B &gt=3B Tony.<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B _______________________________________________<br>
          &gt=3B &gt=3B Xen-users mailing list<br>
          &gt=3B &gt=3B <a class=3D"ecxmoz-txt-link-abbreviated" href=3D"ma=
ilto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.com</a><br>
          &gt=3B &gt=3B <a class=3D"ecxmoz-txt-link-freetext" href=3D"http:=
//lists.xensource.com/xen-users" target=3D"_blank">http://lists.xensource.c=
om/xen-users</a><br>
          &gt=3B &gt=3B<br>
          &gt=3B &gt=3B<br>
        </div>
      </div>
    </blockquote>
    <br>
 =20

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From: Bryant Kobe <shijie1234321@gmail.com>
To: xen-users@lists.xensource.com
Cc: hahn@univention.de
Subject: Re: [Xen-users] How to solve "Error: Boot loader didn't return any
	data"
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Hello Philipp ,

    > Hello Bryant,
    >
    > On Thursday 01 December 2011 09:42:14 Bryant Kobe wrote:
    >> I am a newcomer to xen , which i study in recent months . I have
deploy the
    >> xen-4.1.2 on dell server , centos as dom0 ,  now , i use the vhd
format to
    >> be the virtual hard disk , after i execute
    >>  " xm new ***.cfg" ,
    >> this vm  generate the vm in "xm list" ,
    >
    > This just creates a persistent domain in Xend from your configuration
file.
    >
    >> but when i execute
    >>  " xm start *** ",
    >
    > This is what then starts the domain as currently configured in Xend.
    >
    >> "Error: Boot loader didn't return any data " happened ,
    >>  i refer the official document , saying that "*make sure that the
    >> partition/lvm/container that contains the kernel and initrd comes
first " ,
    >> *but i have provide the vhd containing guest OS .
    >
    > You didn't tell what guest OS you try to boot. PyGrub as the name
should tell
    > you is an implementation of Grub in Python, used to extract the
(Linux)
    > kernel and it's ram-disk from the disk to then run it as a PV domain.
    > If your guest is not an PV capable OS, you need to define a HV domain.
    > You should have a look at /var/log/xen/xend.log and xend-debug.log
(or where
    > ever they are located in CentOS.)

my guest OS is also centos5.6 , the error message in /var/log/xen/xend.log
is :
"""
[2011-12-02 11:26:40 17507] DEBUG (XendBootloader:123) Launching bootloader
as ['/usr/bin/pygrub', '--output=/var/run/xend/boot/xenbl.14220', '-q',
'/dev/xvdp'].
[2011-12-02 11:26:41 4270] ERROR (XendBootloader:224) Boot loader didn't
return any data!
[2011-12-02 11:26:41 4270] INFO (XendDomainInfo:3288) Unmounting /dev/xvdp
from /dev/xvdp.
[2011-12-02 11:26:41 4270] DEBUG (XendDomainInfo:1276)
XendDomainInfo.destroyDevice: deviceClass = tap2, device = /dev/xvdp
[2011-12-02 11:26:41 4270] DEBUG (DevController:649) deviceDestroyCallback
/local/domain/0/backend/vbd/0/51952/hotplug-status.
[2011-12-02 11:26:41 4270] DEBUG (DevController:658) deviceDestroyCallback
6.
[2011-12-02 11:26:41 4270] ERROR (XendDomainInfo:488) VM start failed
Traceback (most recent call last):
  File "usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line
474, in start
    XendTask.log_progress(31, 60, self._initDomain)
  File "usr/lib64/python2.4/site-packages/xen/xend/XendTask.py", line 209,
in log_progress
    retval = func(*args, **kwds)
  File "usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line
2838, in _initDomain
    self._configureBootloader()
  File "usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line
3285, in _configureBootloader
    bootloader_args, kernel, ramdisk, args)
  File "/usr/lib64/python2.4/site-packages/xen/xend/XendBootloader.py",
line 225, in bootloader
    raise VmError, msg
VmError: Boot loader didn't return any data!
[2011-12-02 11:26:41 4270] DEBUG (XendDomainInfo:3071)
XendDomainInfo.destroy: domid=27
[2011-12-02 11:26:41 4270] DEBUG (XendDomainInfo:2406) No device model
[2011-12-02 11:26:41 4270] DEBUG (XendDomainInfo:2408) Releasing devices
"""

    >> This situation doesn't occur every time i execute the above
instruction ,
    >>  but once happened , i would not start any vm later , unless reboot
server.
    >> I have search many references , try some methods for several weeks ,
but
    >> all don't work !
    >
    > To rule out any Xen internal problems, you can try something like
this:
    > 1. create a blktap device by hand
    >  # tap-ctl create -avhd:/path/to/your/image.vhd
    > This should then print something like "/dev/xen/blktap-2/tapdev6"
    >  2. Check that the tapdisk works:
    >  # file -s "/dev/xen/blktap-2/tapdev6"
    >   This should print something like this:
    >  /dev/xen/blktap-2/tapdev6: x86 boot sector; partition 1: ID=0x83,
active,
    >  starthead 1, startsector 63, 626472 sectors; partition 2: ID=0x83,
starthead
    > 0, startsector 626535, 2040255 sectors; partition 3: ID=0x8e,
starthead 0,
    >  startsector 2666790, 39262860 sectors, code offset 0x63
    > 3. Run pygrub on that device:
    > # pygrub "/dev/xen/blktap-2/tapdev6"
    > This should display the PyGrub menu. After selecting a kernel, PyGrub
should
    > print somethin like this:
    >  linux (kernel /var/run/xend/boot/boot_kernel.g9ssQ9)
    >  (ramdisk /var/run/xend/boot/boot_ramdisk.jAfNI9)
    >  (args "root=/dev/mapper/vg_ucs-rootfs ro  splash  quiet loglevel=0
vga=788 ")
    > 4. Destroy the blktap device to clean up step 1.
    > # tap-ctl list | grep -F "/path/to/your/image.vhd"
    > # tap-ctl destroy -p $pid -m $minor
    > where $pid and $minor should be taken from the command above.

I have done follow your above four instructions , get the similar results ,
after executing  1,2,3 , I try to "xm start ***.vhd" , but still get "VmError:
Boot loader didn't return any data!"

however , this method is workable in xen4.0.3+centos5.6(dom0) .
(maybe this is not a good method to start a vm(centos5.6)

which seem to that the vhd file of vm has been mounted , but vm still
cannot be started ,
so now rule out the possibility that the vhd file of the vm cannot be
mounted .

after failed some times , I  check xenstore , find the following strange
info :

[root@xen212 centos]# xm list
Name                                        ID   Mem VCPUs      State
Time(s)
Domain-0                                     0  1024     8     r-----
1537.4
[root@xen212 centos]# xenstore-list /vm
00000000-0000-0000-0000-000000000000
00000000-0000-0000-0000-000000000000-1
5e4843f3-9ed7-462a-9b41-f07577406b0d
00000000-0000-0000-0000-000000000000-2
00000000-0000-0000-0000-000000000000-3
00000000-0000-0000-0000-000000000000-4
00000000-0000-0000-0000-000000000000-5

As far as I know , xenstore only preserves information of running vms . There
is only dom0 running , but  xenstore  contain other vms' information ,I
don't know what problems had happened .
what do the strange uuids means ?
Do these strange info related to previous error "VmError: Boot loader
didn't return any data!" ?

I have read the source code of start in xend written in python , which
seems to have little help to solve the problem , should I need to read the
underlying C code to realize more info?

    >
    > Sincerely
    > Philipp

    > PS: If by chance any of your files contains blanks or equal-signs,
please let
    > me know, since I spotted a Bug in handling them.

I am sure my files don't contain blanks or equal-signs .

thanks  a lot !

Sincerely
Bryant

--14dae93b5c8c7d10f504b3166de2
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Hello Philipp ,<div><br></div><div><meta http-equiv=3D"content-type" conten=
t=3D"text/html; charset=3Dutf-8"><span class=3D"Apple-style-span" style=3D"=
border-collapse: collapse; color: rgb(34, 34, 34); font-family: arial, sans=
-serif; font-size: 15px; ">=A0 =A0 &gt; Hello Bryant,<br>
=A0 =A0 &gt;<br>=A0 =A0 &gt; On Thursday 01 December 2011 09:42:14 Bryant K=
obe wrote:<br>=A0 =A0 &gt;&gt; I am a newcomer to xen , which i study in re=
cent months . I have deploy the<br>=A0 =A0 &gt;&gt; xen-4.1.2 on dell serve=
r , centos as dom0 , =A0now , i use the vhd format to<br>
=A0 =A0 &gt;&gt; be the virtual hard disk , after i execute<br>=A0 =A0 &gt;=
&gt; =A0&quot; xm new ***.cfg&quot; ,<br>=A0 =A0 &gt;&gt; this vm =A0genera=
te the vm in &quot;xm list&quot; ,<br>=A0 =A0 &gt;<br>=A0 =A0 &gt; This jus=
t creates a persistent domain in Xend from your configuration file.<br>
=A0 =A0 &gt;<br>=A0 =A0 &gt;&gt; but when i execute<br>=A0 =A0 &gt;&gt; =A0=
&quot; xm start *** &quot;,<br>=A0 =A0 &gt;<br>=A0 =A0 &gt; This is what th=
en starts the domain as currently configured in Xend.<br>=A0 =A0 &gt;<br>=
=A0 =A0 &gt;&gt; &quot;Error: Boot loader didn&#39;t return any data &quot;=
 happened ,<br>
=A0 =A0 &gt;&gt; =A0i refer the official document , saying that &quot;*make=
 sure that the<br>=A0 =A0 &gt;&gt; partition/lvm/container that contains th=
e kernel and initrd comes first &quot; ,<br>=A0 =A0 &gt;&gt; *but i have pr=
ovide the vhd containing guest OS .<br>
=A0 =A0 &gt;<br>=A0 =A0 &gt; You didn&#39;t tell what guest OS you try to b=
oot. PyGrub as the name should tell<br>=A0 =A0 &gt; you is an implementatio=
n of Grub in Python, used to extract the (Linux)<br>=A0 =A0 &gt; kernel and=
 it&#39;s ram-disk from the disk to then run it as a PV domain.<br>
</span><span class=3D"Apple-style-span" style=3D"border-collapse: collapse;=
 color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; "=
>=A0 =A0 &gt; If your guest is not an PV capable OS, you need to define a H=
V domain.<br>
=A0 =A0 &gt; You should have a look at /var/log/xen/xend.log and xend-debug=
.log (or where<br></span><span class=3D"Apple-style-span" style=3D"border-c=
ollapse: collapse; color: rgb(34, 34, 34); font-family: arial, sans-serif; =
font-size: 15px; ">=A0 =A0 &gt; ever they are located in CentOS.)</span></d=
iv>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; c=
olor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; "><=
br></span></div><div><span class=3D"Apple-style-span" style=3D"border-colla=
pse: collapse; color: rgb(34, 34, 34); font-family: arial, sans-serif; font=
-size: 15px; ">my guest OS is also centos5.6 , the error message in /var/lo=
g/xen/xend.log is :</span></div>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; c=
olor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; ">&=
quot;&quot;&quot;</span></div><div><span class=3D"Apple-style-span" style=
=3D"border-collapse: collapse; color: rgb(34, 34, 34); font-family: arial, =
sans-serif; font-size: 15px; "><div>
[2011-12-02 11:26:40 17507] DEBUG (XendBootloader:123) Launching bootloader=
 as [&#39;/usr/bin/pygrub&#39;, &#39;--output=3D/var/run/xend/boot/xenbl.14=
220&#39;, &#39;-q&#39;, &#39;/dev/xvdp&#39;].</div><div>[2011-12-02 11:26:4=
1 4270] ERROR (XendBootloader:224) Boot loader didn&#39;t return any data!<=
/div>
<div>[2011-12-02 11:26:41 4270] INFO (XendDomainInfo:3288) Unmounting /dev/=
xvdp from /dev/xvdp.</div><div>[2011-12-02 11:26:41 4270] DEBUG (XendDomain=
Info:1276) XendDomainInfo.destroyDevice: deviceClass =3D tap2, device =3D /=
dev/xvdp</div>
<div>[2011-12-02 11:26:41 4270] DEBUG (DevController:649) deviceDestroyCall=
back /local/domain/0/backend/vbd/0/51952/hotplug-status.</div><div>[2011-12=
-02 11:26:41 4270] DEBUG (DevController:658) deviceDestroyCallback 6.</div>
<div>[2011-12-02 11:26:41 4270] ERROR (XendDomainInfo:488) VM start failed<=
/div><div>Traceback (most recent call last):</div><div>=A0 File &quot;usr/l=
ib64/python2.4/site-packages/xen/xend/XendDomainInfo.py&quot;, line 474, in=
 start</div>
<div>=A0 =A0 XendTask.log_progress(31, 60, self._initDomain)</div><div>=A0 =
File &quot;usr/lib64/python2.4/site-packages/xen/xend/XendTask.py&quot;, li=
ne 209, in log_progress</div><div>=A0 =A0 retval =3D func(*args, **kwds)</d=
iv><div>
=A0 File &quot;usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py=
&quot;, line 2838, in _initDomain</div><div>=A0 =A0 self._configureBootload=
er()</div><div>=A0 File &quot;usr/lib64/python2.4/site-packages/xen/xend/Xe=
ndDomainInfo.py&quot;, line 3285, in _configureBootloader</div>
<div>=A0 =A0 bootloader_args, kernel, ramdisk, args)</div><div>=A0 File &qu=
ot;/usr/lib64/python2.4/site-packages/xen/xend/XendBootloader.py&quot;, lin=
e 225, in bootloader</div><div>=A0 =A0 raise VmError, msg</div><div>VmError=
: Boot loader didn&#39;t return any data!</div>
<div>[2011-12-02 11:26:41 4270] DEBUG (XendDomainInfo:3071) XendDomainInfo.=
destroy: domid=3D27</div><div>[2011-12-02 11:26:41 4270] DEBUG (XendDomainI=
nfo:2406) No device model</div><div>[2011-12-02 11:26:41 4270] DEBUG (XendD=
omainInfo:2408) Releasing devices</div>
<div>&quot;&quot;&quot;</div></span></div><div><span class=3D"Apple-style-s=
pan" style=3D"border-collapse: collapse; color: rgb(34, 34, 34); font-famil=
y: arial, sans-serif; font-size: 15px; "><br></span></div><div><meta http-e=
quiv=3D"content-type" content=3D"text/html; charset=3Dutf-8"><span class=3D=
"Apple-style-span" style=3D"border-collapse: collapse; color: rgb(34, 34, 3=
4); font-family: arial, sans-serif; font-size: 15px; ">=A0 =A0 &gt;&gt; Thi=
s situation doesn&#39;t occur every time i execute the above instruction ,<=
br>
=A0 =A0 &gt;&gt; =A0but once happened , i would not start any vm later , un=
less reboot server.<br>=A0 =A0 &gt;&gt; I have search many references , try=
 some methods for several weeks , but<br>=A0 =A0 &gt;&gt; all don&#39;t wor=
k !<br>=A0 =A0 &gt;<br>
=A0 =A0 &gt; To rule out any Xen internal problems, you can try something l=
ike this:<br>=A0 =A0 &gt; 1. create a blktap device by hand<br>=A0 =A0 &gt;=
 =A0# tap-ctl create -avhd:/path/to/your/image.vhd<br>=A0 =A0 &gt; This sho=
uld then print something like &quot;/dev/xen/blktap-2/tapdev6&quot;<br>
=A0 =A0 &gt; =A02. Check that the tapdisk works:<br>=A0 =A0 &gt; =A0# file =
-s &quot;/dev/xen/blktap-2/tapdev6&quot;<br>=A0 =A0 &gt; =A0 This should pr=
int something like this:<br>=A0 =A0 &gt; =A0/dev/xen/blktap-2/tapdev6: x86 =
boot sector; partition 1: ID=3D0x83, active,=A0<br>
=A0 =A0 &gt; =A0starthead 1, startsector 63, 626472 sectors; partition 2: I=
D=3D0x83, starthead =A0<br>=A0 =A0 &gt; 0, startsector 626535, 2040255 sect=
ors; partition 3: ID=3D0x8e, starthead 0,<br>=A0 =A0 &gt; =A0startsector 26=
66790, 39262860 sectors, code offset 0x63<br>
=A0 =A0 &gt; 3. Run pygrub on that device:<br>=A0 =A0 &gt; # pygrub &quot;/=
dev/xen/blktap-2/tapdev6&quot;<br>=A0 =A0 &gt; This should display the PyGr=
ub menu. After selecting a kernel, PyGrub should<br>=A0 =A0 &gt; print some=
thin like this:<br>
=A0 =A0 &gt; =A0linux (kernel /var/run/xend/boot/boot_kernel.g9ssQ9)<br>=A0=
 =A0 &gt; =A0(ramdisk /var/run/xend/boot/boot_ramdisk.jAfNI9)<br>=A0 =A0 &g=
t; =A0(args &quot;root=3D/dev/mapper/vg_ucs-rootfs ro =A0splash =A0quiet lo=
glevel=3D0 vga=3D788 &quot;)<br>
=A0 =A0 &gt; 4. Destroy the blktap device to clean up step 1.<br>=A0 =A0 &g=
t; # tap-ctl list | grep -F &quot;/path/to/your/image.vhd&quot;<br>=A0 =A0 =
&gt; # tap-ctl destroy -p $pid -m $minor<br>=A0 =A0 &gt; where $pid and $mi=
nor should be taken from the command above.</span></div>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; c=
olor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; "><=
br></span></div><div><span class=3D"Apple-style-span" style=3D"border-colla=
pse: collapse; color: rgb(34, 34, 34); font-family: arial, sans-serif; font=
-size: 15px; ">I have done follow your above four instructions , get the si=
milar results ,=A0</span></div>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; c=
olor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; ">a=
fter executing =A01,2,3 , I try to &quot;xm start ***.vhd&quot; , but still=
 get &quot;</span><span class=3D"Apple-style-span" style=3D"border-collapse=
: collapse; color: rgb(34, 34, 34); font-family: arial, sans-serif; font-si=
ze: 15px; ">VmError: Boot loader didn&#39;t return any data!&quot;</span></=
div>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; c=
olor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; "><=
meta http-equiv=3D"content-type" content=3D"text/html; charset=3Dutf-8"><sp=
an class=3D"Apple-style-span" style=3D"font-family: arial; font-size: small=
; border-collapse: separate; color: rgb(0, 0, 0); "><div>
<font class=3D"Apple-style-span" color=3D"#222222" face=3D"arial, sans-seri=
f"><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; fon=
t-size: 15px; "><br></span></font></div><div><font class=3D"Apple-style-spa=
n" color=3D"#222222" face=3D"arial, sans-serif"><span class=3D"Apple-style-=
span" style=3D"border-collapse: collapse; font-size: 15px; ">however , this=
 method is workable in xen4.0.3+centos5.6(dom0) .=A0</span></font></div>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; c=
olor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; ">(=
maybe this is not a good method to start a vm(centos5.6)</span></div><div><=
span class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; "><br>
</span></div></span></span></div><div><span class=3D"Apple-style-span" styl=
e=3D"border-collapse: collapse; color: rgb(34, 34, 34); font-family: arial,=
 sans-serif; font-size: 15px; ">which seem to that the vhd file of vm has=
=A0</span><span class=3D"Apple-style-span" style=3D"border-collapse: collap=
se; color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px=
; ">been mounted , but vm still cannot be started ,</span></div>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; c=
olor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; ">s=
o now rule out the possibility that the vhd file of the vm cannot be mounte=
d .=A0</span></div>
<div><font class=3D"Apple-style-span" color=3D"#222222" face=3D"arial, sans=
-serif"><span class=3D"Apple-style-span" style=3D"border-collapse: collapse=
; font-size: 15px;"><br></span></font></div><div><span class=3D"Apple-style=
-span" style=3D"border-collapse: collapse; color: rgb(34, 34, 34); font-fam=
ily: arial, sans-serif; font-size: 15px; ">after failed some times , I =A0c=
heck xenstore , find the following strange info :=A0</span></div>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; c=
olor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; "><=
br></span></div><div><font class=3D"Apple-style-span" color=3D"#222222" fac=
e=3D"arial, sans-serif"><span class=3D"Apple-style-span" style=3D"border-co=
llapse: collapse; font-size: 15px;"><div>
<div>[root@xen212 centos]# xm list</div><div>Name =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0ID =A0 Mem VCPUs =A0=
 =A0 =A0State =A0 Time(s)</div><div>Domain-0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 0 =A01024 =A0 =A0 8 =A0 =A0 r--=
--- =A0 1537.4</div><div>
[root@xen212 centos]# xenstore-list /vm</div><div>00000000-0000-0000-0000-0=
00000000000</div><div>00000000-0000-0000-0000-000000000000-1</div><div>5e48=
43f3-9ed7-462a-9b41-f07577406b0d</div><div>00000000-0000-0000-0000-00000000=
0000-2</div>
</div><div><div>00000000-0000-0000-0000-000000000000-3</div><meta http-equi=
v=3D"content-type" content=3D"text/html; charset=3Dutf-8"><div>00000000-000=
0-0000-0000-000000000000-4</div><div>00000000-0000-0000-0000-000000000000-5=
</div>
</div><div><br></div></span></font></div><div><span class=3D"Apple-style-sp=
an" style=3D"border-collapse: collapse; color: rgb(34, 34, 34); font-family=
: arial, sans-serif; font-size: 15px; ">As far as I know , xenstore only pr=
eserves information of running vms . T</span><span class=3D"Apple-style-spa=
n" style=3D"border-collapse: collapse; color: rgb(34, 34, 34); font-family:=
 arial, sans-serif; font-size: 15px; ">here is only dom0 running , but =A0x=
enstore =A0contain other vms&#39; information ,</span><span class=3D"Apple-=
style-span" style=3D"border-collapse: collapse; color: rgb(34, 34, 34); fon=
t-family: arial, sans-serif; font-size: 15px; ">I don&#39;t know what probl=
ems had happened .=A0</span></div>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; c=
olor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; ">w=
hat do the strange uuids means ?</span></div><div><font class=3D"Apple-styl=
e-span" color=3D"#222222" face=3D"arial, sans-serif"><span class=3D"Apple-s=
tyle-span" style=3D"border-collapse: collapse; font-size: 15px;">Do these s=
trange info related to previous error=A0</span></font><span class=3D"Apple-=
style-span" style=3D"border-collapse: collapse; color: rgb(34, 34, 34); fon=
t-family: arial, sans-serif; font-size: 15px; ">&quot;</span><span class=3D=
"Apple-style-span" style=3D"border-collapse: collapse; color: rgb(34, 34, 3=
4); font-family: arial, sans-serif; font-size: 15px; ">VmError: Boot loader=
 didn&#39;t return any data!&quot; ?</span></div>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; c=
olor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; "><=
br></span></div><div><span class=3D"Apple-style-span" style=3D"border-colla=
pse: collapse; color: rgb(34, 34, 34); font-family: arial, sans-serif; font=
-size: 15px; ">I have read the source code of start in xend written in pyth=
on , which seems to have little help to solve the problem , should I need t=
o read the underlying C code to realize more info?</span></div>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; c=
olor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; "><=
br></span></div><div><span class=3D"Apple-style-span" style=3D"border-colla=
pse: collapse; color: rgb(34, 34, 34); font-family: arial, sans-serif; font=
-size: 15px; "><meta http-equiv=3D"content-type" content=3D"text/html; char=
set=3Dutf-8">=A0 =A0 &gt;<br>
=A0 =A0 &gt; Sincerely<br>=A0 =A0 &gt; Philipp<br><br>=A0 =A0 &gt; PS: If b=
y chance any of your files contains blanks or equal-signs, please let<br>=
=A0 =A0 &gt; me know, since I spotted a Bug in handling them.</span></div><=
div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; co=
lor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; "><b=
r>
</span></div><div><font class=3D"Apple-style-span" color=3D"#222222" face=
=3D"arial, sans-serif"><span class=3D"Apple-style-span" style=3D"border-col=
lapse: collapse; font-size: 15px;">I am sure my files don&#39;t contain bla=
nks or equal-signs .</span></font></div>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; c=
olor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; "><=
br></span></div><div><span class=3D"Apple-style-span" style=3D"border-colla=
pse: collapse; color: rgb(34, 34, 34); font-family: arial, sans-serif; font=
-size: 15px; ">thanks =A0a lot !</span></div>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; c=
olor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; "><=
br></span></div><div><span class=3D"Apple-style-span" style=3D"border-colla=
pse: collapse; color: rgb(34, 34, 34); font-family: arial, sans-serif; font=
-size: 15px; "><meta http-equiv=3D"content-type" content=3D"text/html; char=
set=3Dutf-8">Sincerely</span></div>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; c=
olor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; ">B=
ryant</span></div><meta http-equiv=3D"content-type" content=3D"text/html; c=
harset=3Dutf-8"><meta http-equiv=3D"content-type" content=3D"text/html; cha=
rset=3Dutf-8">

--14dae93b5c8c7d10f504b3166de2--


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From: Bryant Kobe <shijie1234321@gmail.com>
To: xen-users@lists.xensource.com
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Subject: Re: [Xen-users] How to solve "Error: Boot loader didn't return any
	data"
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Hello Philipp ,

    > Hello Bryant,
    >
    > On Thursday 01 December 2011 09:42:14 Bryant Kobe wrote:
    >> I am a newcomer to xen , which i study in recent months . I have
deploy the
    >> xen-4.1.2 on dell server , centos as dom0 ,  now , i use the vhd
format to
    >> be the virtual hard disk , after i execute
    >>  " xm new ***.cfg" ,
    >> this vm  generate the vm in "xm list" ,
    >
    > This just creates a persistent domain in Xend from your configuration
file.
    >
    >> but when i execute
    >>  " xm start *** ",
    >
    > This is what then starts the domain as currently configured in Xend.
    >
    >> "Error: Boot loader didn't return any data " happened ,
    >>  i refer the official document , saying that "*make sure that the
    >> partition/lvm/container that contains the kernel and initrd comes
first " ,
    >> *but i have provide the vhd containing guest OS .
    >
    > You didn't tell what guest OS you try to boot. PyGrub as the name
should tell
    > you is an implementation of Grub in Python, used to extract the
(Linux)
    > kernel and it's ram-disk from the disk to then run it as a PV domain.
    > If your guest is not an PV capable OS, you need to define a HV domain.
    > You should have a look at /var/log/xen/xend.log and xend-debug.log
(or where
    > ever they are located in CentOS.)

my guest OS is also centos5.6 , the error message in /var/log/xen/xend.log
is :
"""
[2011-12-02 11:26:40 17507] DEBUG (XendBootloader:123) Launching bootloader
as ['/usr/bin/pygrub', '--output=/var/run/xend/boot/xenbl.14220', '-q',
'/dev/xvdp'].
[2011-12-02 11:26:41 4270] ERROR (XendBootloader:224) Boot loader didn't
return any data!
[2011-12-02 11:26:41 4270] INFO (XendDomainInfo:3288) Unmounting /dev/xvdp
from /dev/xvdp.
[2011-12-02 11:26:41 4270] DEBUG (XendDomainInfo:1276)
XendDomainInfo.destroyDevice: deviceClass = tap2, device = /dev/xvdp
[2011-12-02 11:26:41 4270] DEBUG (DevController:649) deviceDestroyCallback
/local/domain/0/backend/vbd/0/51952/hotplug-status.
[2011-12-02 11:26:41 4270] DEBUG (DevController:658) deviceDestroyCallback
6.
[2011-12-02 11:26:41 4270] ERROR (XendDomainInfo:488) VM start failed
Traceback (most recent call last):
  File "usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line
474, in start
    XendTask.log_progress(31, 60, self._initDomain)
  File "usr/lib64/python2.4/site-packages/xen/xend/XendTask.py", line 209,
in log_progress
    retval = func(*args, **kwds)
  File "usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line
2838, in _initDomain
    self._configureBootloader()
  File "usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line
3285, in _configureBootloader
    bootloader_args, kernel, ramdisk, args)
  File "/usr/lib64/python2.4/site-packages/xen/xend/XendBootloader.py",
line 225, in bootloader
    raise VmError, msg
VmError: Boot loader didn't return any data!
[2011-12-02 11:26:41 4270] DEBUG (XendDomainInfo:3071)
XendDomainInfo.destroy: domid=27
[2011-12-02 11:26:41 4270] DEBUG (XendDomainInfo:2406) No device model
[2011-12-02 11:26:41 4270] DEBUG (XendDomainInfo:2408) Releasing devices
"""

    >> This situation doesn't occur every time i execute the above
instruction ,
    >>  but once happened , i would not start any vm later , unless reboot
server.
    >> I have search many references , try some methods for several weeks ,
but
    >> all don't work !
    >
    > To rule out any Xen internal problems, you can try something like
this:
    > 1. create a blktap device by hand
    >  # tap-ctl create -avhd:/path/to/your/image.vhd
    > This should then print something like "/dev/xen/blktap-2/tapdev6"
    >  2. Check that the tapdisk works:
    >  # file -s "/dev/xen/blktap-2/tapdev6"
    >   This should print something like this:
    >  /dev/xen/blktap-2/tapdev6: x86 boot sector; partition 1: ID=0x83,
active,
    >  starthead 1, startsector 63, 626472 sectors; partition 2: ID=0x83,
starthead
    > 0, startsector 626535, 2040255 sectors; partition 3: ID=0x8e,
starthead 0,
    >  startsector 2666790, 39262860 sectors, code offset 0x63
    > 3. Run pygrub on that device:
    > # pygrub "/dev/xen/blktap-2/tapdev6"
    > This should display the PyGrub menu. After selecting a kernel, PyGrub
should
    > print somethin like this:
    >  linux (kernel /var/run/xend/boot/boot_kernel.g9ssQ9)
    >  (ramdisk /var/run/xend/boot/boot_ramdisk.jAfNI9)
    >  (args "root=/dev/mapper/vg_ucs-rootfs ro  splash  quiet loglevel=0
vga=788 ")
    > 4. Destroy the blktap device to clean up step 1.
    > # tap-ctl list | grep -F "/path/to/your/image.vhd"
    > # tap-ctl destroy -p $pid -m $minor
    > where $pid and $minor should be taken from the command above.

I have done follow your above four instructions , get the similar results ,
after executing  1,2,3 , I try to "xm start ***.vhd" , but still get "VmError:
Boot loader didn't return any data!"

however , this method is workable in xen4.0.3+centos5.6(dom0) .
(maybe this is not a good method to start a vm(centos5.6)

which seem to that the vhd file of vm has been mounted , but vm still
cannot be started ,
so now rule out the possibility that the vhd file of the vm cannot be
mounted .

after failed some times , I  check xenstore , find the following strange
info :

[root@xen212 centos]# xm list
Name                                        ID   Mem VCPUs      State
Time(s)
Domain-0                                     0  1024     8     r-----
1537.4
[root@xen212 centos]# xenstore-list /vm
00000000-0000-0000-0000-000000000000
00000000-0000-0000-0000-000000000000-1
5e4843f3-9ed7-462a-9b41-f07577406b0d
00000000-0000-0000-0000-000000000000-2
00000000-0000-0000-0000-000000000000-3
00000000-0000-0000-0000-000000000000-4
00000000-0000-0000-0000-000000000000-5

As far as I know , xenstore only preserves information of running vms . There
is only dom0 running , but  xenstore  contain other vms' information ,I
don't know what problems had happened .
what do the strange uuids means ?
Do these strange info related to previous error "VmError: Boot loader
didn't return any data!" ?

I have read the source code of start in xend written in python , which
seems to have little help to solve the problem , should I need to read the
underlying C code to realize more info?

    >
    > Sincerely
    > Philipp

    > PS: If by chance any of your files contains blanks or equal-signs,
please let
    > me know, since I spotted a Bug in handling them.

I am sure my files don't contain blanks or equal-signs .

thanks  a lot !

Sincerely
Bryant

--14dae93b5c8c7d10f504b3166de2
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

Hello Philipp ,<div><br></div><div><meta http-equiv=3D"content-type" conten=
t=3D"text/html; charset=3Dutf-8"><span class=3D"Apple-style-span" style=3D"=
border-collapse: collapse; color: rgb(34, 34, 34); font-family: arial, sans=
-serif; font-size: 15px; ">=A0 =A0 &gt; Hello Bryant,<br>
=A0 =A0 &gt;<br>=A0 =A0 &gt; On Thursday 01 December 2011 09:42:14 Bryant K=
obe wrote:<br>=A0 =A0 &gt;&gt; I am a newcomer to xen , which i study in re=
cent months . I have deploy the<br>=A0 =A0 &gt;&gt; xen-4.1.2 on dell serve=
r , centos as dom0 , =A0now , i use the vhd format to<br>
=A0 =A0 &gt;&gt; be the virtual hard disk , after i execute<br>=A0 =A0 &gt;=
&gt; =A0&quot; xm new ***.cfg&quot; ,<br>=A0 =A0 &gt;&gt; this vm =A0genera=
te the vm in &quot;xm list&quot; ,<br>=A0 =A0 &gt;<br>=A0 =A0 &gt; This jus=
t creates a persistent domain in Xend from your configuration file.<br>
=A0 =A0 &gt;<br>=A0 =A0 &gt;&gt; but when i execute<br>=A0 =A0 &gt;&gt; =A0=
&quot; xm start *** &quot;,<br>=A0 =A0 &gt;<br>=A0 =A0 &gt; This is what th=
en starts the domain as currently configured in Xend.<br>=A0 =A0 &gt;<br>=
=A0 =A0 &gt;&gt; &quot;Error: Boot loader didn&#39;t return any data &quot;=
 happened ,<br>
=A0 =A0 &gt;&gt; =A0i refer the official document , saying that &quot;*make=
 sure that the<br>=A0 =A0 &gt;&gt; partition/lvm/container that contains th=
e kernel and initrd comes first &quot; ,<br>=A0 =A0 &gt;&gt; *but i have pr=
ovide the vhd containing guest OS .<br>
=A0 =A0 &gt;<br>=A0 =A0 &gt; You didn&#39;t tell what guest OS you try to b=
oot. PyGrub as the name should tell<br>=A0 =A0 &gt; you is an implementatio=
n of Grub in Python, used to extract the (Linux)<br>=A0 =A0 &gt; kernel and=
 it&#39;s ram-disk from the disk to then run it as a PV domain.<br>
</span><span class=3D"Apple-style-span" style=3D"border-collapse: collapse;=
 color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; "=
>=A0 =A0 &gt; If your guest is not an PV capable OS, you need to define a H=
V domain.<br>
=A0 =A0 &gt; You should have a look at /var/log/xen/xend.log and xend-debug=
.log (or where<br></span><span class=3D"Apple-style-span" style=3D"border-c=
ollapse: collapse; color: rgb(34, 34, 34); font-family: arial, sans-serif; =
font-size: 15px; ">=A0 =A0 &gt; ever they are located in CentOS.)</span></d=
iv>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; c=
olor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; "><=
br></span></div><div><span class=3D"Apple-style-span" style=3D"border-colla=
pse: collapse; color: rgb(34, 34, 34); font-family: arial, sans-serif; font=
-size: 15px; ">my guest OS is also centos5.6 , the error message in /var/lo=
g/xen/xend.log is :</span></div>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; c=
olor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; ">&=
quot;&quot;&quot;</span></div><div><span class=3D"Apple-style-span" style=
=3D"border-collapse: collapse; color: rgb(34, 34, 34); font-family: arial, =
sans-serif; font-size: 15px; "><div>
[2011-12-02 11:26:40 17507] DEBUG (XendBootloader:123) Launching bootloader=
 as [&#39;/usr/bin/pygrub&#39;, &#39;--output=3D/var/run/xend/boot/xenbl.14=
220&#39;, &#39;-q&#39;, &#39;/dev/xvdp&#39;].</div><div>[2011-12-02 11:26:4=
1 4270] ERROR (XendBootloader:224) Boot loader didn&#39;t return any data!<=
/div>
<div>[2011-12-02 11:26:41 4270] INFO (XendDomainInfo:3288) Unmounting /dev/=
xvdp from /dev/xvdp.</div><div>[2011-12-02 11:26:41 4270] DEBUG (XendDomain=
Info:1276) XendDomainInfo.destroyDevice: deviceClass =3D tap2, device =3D /=
dev/xvdp</div>
<div>[2011-12-02 11:26:41 4270] DEBUG (DevController:649) deviceDestroyCall=
back /local/domain/0/backend/vbd/0/51952/hotplug-status.</div><div>[2011-12=
-02 11:26:41 4270] DEBUG (DevController:658) deviceDestroyCallback 6.</div>
<div>[2011-12-02 11:26:41 4270] ERROR (XendDomainInfo:488) VM start failed<=
/div><div>Traceback (most recent call last):</div><div>=A0 File &quot;usr/l=
ib64/python2.4/site-packages/xen/xend/XendDomainInfo.py&quot;, line 474, in=
 start</div>
<div>=A0 =A0 XendTask.log_progress(31, 60, self._initDomain)</div><div>=A0 =
File &quot;usr/lib64/python2.4/site-packages/xen/xend/XendTask.py&quot;, li=
ne 209, in log_progress</div><div>=A0 =A0 retval =3D func(*args, **kwds)</d=
iv><div>
=A0 File &quot;usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py=
&quot;, line 2838, in _initDomain</div><div>=A0 =A0 self._configureBootload=
er()</div><div>=A0 File &quot;usr/lib64/python2.4/site-packages/xen/xend/Xe=
ndDomainInfo.py&quot;, line 3285, in _configureBootloader</div>
<div>=A0 =A0 bootloader_args, kernel, ramdisk, args)</div><div>=A0 File &qu=
ot;/usr/lib64/python2.4/site-packages/xen/xend/XendBootloader.py&quot;, lin=
e 225, in bootloader</div><div>=A0 =A0 raise VmError, msg</div><div>VmError=
: Boot loader didn&#39;t return any data!</div>
<div>[2011-12-02 11:26:41 4270] DEBUG (XendDomainInfo:3071) XendDomainInfo.=
destroy: domid=3D27</div><div>[2011-12-02 11:26:41 4270] DEBUG (XendDomainI=
nfo:2406) No device model</div><div>[2011-12-02 11:26:41 4270] DEBUG (XendD=
omainInfo:2408) Releasing devices</div>
<div>&quot;&quot;&quot;</div></span></div><div><span class=3D"Apple-style-s=
pan" style=3D"border-collapse: collapse; color: rgb(34, 34, 34); font-famil=
y: arial, sans-serif; font-size: 15px; "><br></span></div><div><meta http-e=
quiv=3D"content-type" content=3D"text/html; charset=3Dutf-8"><span class=3D=
"Apple-style-span" style=3D"border-collapse: collapse; color: rgb(34, 34, 3=
4); font-family: arial, sans-serif; font-size: 15px; ">=A0 =A0 &gt;&gt; Thi=
s situation doesn&#39;t occur every time i execute the above instruction ,<=
br>
=A0 =A0 &gt;&gt; =A0but once happened , i would not start any vm later , un=
less reboot server.<br>=A0 =A0 &gt;&gt; I have search many references , try=
 some methods for several weeks , but<br>=A0 =A0 &gt;&gt; all don&#39;t wor=
k !<br>=A0 =A0 &gt;<br>
=A0 =A0 &gt; To rule out any Xen internal problems, you can try something l=
ike this:<br>=A0 =A0 &gt; 1. create a blktap device by hand<br>=A0 =A0 &gt;=
 =A0# tap-ctl create -avhd:/path/to/your/image.vhd<br>=A0 =A0 &gt; This sho=
uld then print something like &quot;/dev/xen/blktap-2/tapdev6&quot;<br>
=A0 =A0 &gt; =A02. Check that the tapdisk works:<br>=A0 =A0 &gt; =A0# file =
-s &quot;/dev/xen/blktap-2/tapdev6&quot;<br>=A0 =A0 &gt; =A0 This should pr=
int something like this:<br>=A0 =A0 &gt; =A0/dev/xen/blktap-2/tapdev6: x86 =
boot sector; partition 1: ID=3D0x83, active,=A0<br>
=A0 =A0 &gt; =A0starthead 1, startsector 63, 626472 sectors; partition 2: I=
D=3D0x83, starthead =A0<br>=A0 =A0 &gt; 0, startsector 626535, 2040255 sect=
ors; partition 3: ID=3D0x8e, starthead 0,<br>=A0 =A0 &gt; =A0startsector 26=
66790, 39262860 sectors, code offset 0x63<br>
=A0 =A0 &gt; 3. Run pygrub on that device:<br>=A0 =A0 &gt; # pygrub &quot;/=
dev/xen/blktap-2/tapdev6&quot;<br>=A0 =A0 &gt; This should display the PyGr=
ub menu. After selecting a kernel, PyGrub should<br>=A0 =A0 &gt; print some=
thin like this:<br>
=A0 =A0 &gt; =A0linux (kernel /var/run/xend/boot/boot_kernel.g9ssQ9)<br>=A0=
 =A0 &gt; =A0(ramdisk /var/run/xend/boot/boot_ramdisk.jAfNI9)<br>=A0 =A0 &g=
t; =A0(args &quot;root=3D/dev/mapper/vg_ucs-rootfs ro =A0splash =A0quiet lo=
glevel=3D0 vga=3D788 &quot;)<br>
=A0 =A0 &gt; 4. Destroy the blktap device to clean up step 1.<br>=A0 =A0 &g=
t; # tap-ctl list | grep -F &quot;/path/to/your/image.vhd&quot;<br>=A0 =A0 =
&gt; # tap-ctl destroy -p $pid -m $minor<br>=A0 =A0 &gt; where $pid and $mi=
nor should be taken from the command above.</span></div>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; c=
olor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; "><=
br></span></div><div><span class=3D"Apple-style-span" style=3D"border-colla=
pse: collapse; color: rgb(34, 34, 34); font-family: arial, sans-serif; font=
-size: 15px; ">I have done follow your above four instructions , get the si=
milar results ,=A0</span></div>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; c=
olor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; ">a=
fter executing =A01,2,3 , I try to &quot;xm start ***.vhd&quot; , but still=
 get &quot;</span><span class=3D"Apple-style-span" style=3D"border-collapse=
: collapse; color: rgb(34, 34, 34); font-family: arial, sans-serif; font-si=
ze: 15px; ">VmError: Boot loader didn&#39;t return any data!&quot;</span></=
div>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; c=
olor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; "><=
meta http-equiv=3D"content-type" content=3D"text/html; charset=3Dutf-8"><sp=
an class=3D"Apple-style-span" style=3D"font-family: arial; font-size: small=
; border-collapse: separate; color: rgb(0, 0, 0); "><div>
<font class=3D"Apple-style-span" color=3D"#222222" face=3D"arial, sans-seri=
f"><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; fon=
t-size: 15px; "><br></span></font></div><div><font class=3D"Apple-style-spa=
n" color=3D"#222222" face=3D"arial, sans-serif"><span class=3D"Apple-style-=
span" style=3D"border-collapse: collapse; font-size: 15px; ">however , this=
 method is workable in xen4.0.3+centos5.6(dom0) .=A0</span></font></div>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; c=
olor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; ">(=
maybe this is not a good method to start a vm(centos5.6)</span></div><div><=
span class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; "><br>
</span></div></span></span></div><div><span class=3D"Apple-style-span" styl=
e=3D"border-collapse: collapse; color: rgb(34, 34, 34); font-family: arial,=
 sans-serif; font-size: 15px; ">which seem to that the vhd file of vm has=
=A0</span><span class=3D"Apple-style-span" style=3D"border-collapse: collap=
se; color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px=
; ">been mounted , but vm still cannot be started ,</span></div>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; c=
olor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; ">s=
o now rule out the possibility that the vhd file of the vm cannot be mounte=
d .=A0</span></div>
<div><font class=3D"Apple-style-span" color=3D"#222222" face=3D"arial, sans=
-serif"><span class=3D"Apple-style-span" style=3D"border-collapse: collapse=
; font-size: 15px;"><br></span></font></div><div><span class=3D"Apple-style=
-span" style=3D"border-collapse: collapse; color: rgb(34, 34, 34); font-fam=
ily: arial, sans-serif; font-size: 15px; ">after failed some times , I =A0c=
heck xenstore , find the following strange info :=A0</span></div>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; c=
olor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; "><=
br></span></div><div><font class=3D"Apple-style-span" color=3D"#222222" fac=
e=3D"arial, sans-serif"><span class=3D"Apple-style-span" style=3D"border-co=
llapse: collapse; font-size: 15px;"><div>
<div>[root@xen212 centos]# xm list</div><div>Name =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0ID =A0 Mem VCPUs =A0=
 =A0 =A0State =A0 Time(s)</div><div>Domain-0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 0 =A01024 =A0 =A0 8 =A0 =A0 r--=
--- =A0 1537.4</div><div>
[root@xen212 centos]# xenstore-list /vm</div><div>00000000-0000-0000-0000-0=
00000000000</div><div>00000000-0000-0000-0000-000000000000-1</div><div>5e48=
43f3-9ed7-462a-9b41-f07577406b0d</div><div>00000000-0000-0000-0000-00000000=
0000-2</div>
</div><div><div>00000000-0000-0000-0000-000000000000-3</div><meta http-equi=
v=3D"content-type" content=3D"text/html; charset=3Dutf-8"><div>00000000-000=
0-0000-0000-000000000000-4</div><div>00000000-0000-0000-0000-000000000000-5=
</div>
</div><div><br></div></span></font></div><div><span class=3D"Apple-style-sp=
an" style=3D"border-collapse: collapse; color: rgb(34, 34, 34); font-family=
: arial, sans-serif; font-size: 15px; ">As far as I know , xenstore only pr=
eserves information of running vms . T</span><span class=3D"Apple-style-spa=
n" style=3D"border-collapse: collapse; color: rgb(34, 34, 34); font-family:=
 arial, sans-serif; font-size: 15px; ">here is only dom0 running , but =A0x=
enstore =A0contain other vms&#39; information ,</span><span class=3D"Apple-=
style-span" style=3D"border-collapse: collapse; color: rgb(34, 34, 34); fon=
t-family: arial, sans-serif; font-size: 15px; ">I don&#39;t know what probl=
ems had happened .=A0</span></div>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; c=
olor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; ">w=
hat do the strange uuids means ?</span></div><div><font class=3D"Apple-styl=
e-span" color=3D"#222222" face=3D"arial, sans-serif"><span class=3D"Apple-s=
tyle-span" style=3D"border-collapse: collapse; font-size: 15px;">Do these s=
trange info related to previous error=A0</span></font><span class=3D"Apple-=
style-span" style=3D"border-collapse: collapse; color: rgb(34, 34, 34); fon=
t-family: arial, sans-serif; font-size: 15px; ">&quot;</span><span class=3D=
"Apple-style-span" style=3D"border-collapse: collapse; color: rgb(34, 34, 3=
4); font-family: arial, sans-serif; font-size: 15px; ">VmError: Boot loader=
 didn&#39;t return any data!&quot; ?</span></div>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; c=
olor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; "><=
br></span></div><div><span class=3D"Apple-style-span" style=3D"border-colla=
pse: collapse; color: rgb(34, 34, 34); font-family: arial, sans-serif; font=
-size: 15px; ">I have read the source code of start in xend written in pyth=
on , which seems to have little help to solve the problem , should I need t=
o read the underlying C code to realize more info?</span></div>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; c=
olor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; "><=
br></span></div><div><span class=3D"Apple-style-span" style=3D"border-colla=
pse: collapse; color: rgb(34, 34, 34); font-family: arial, sans-serif; font=
-size: 15px; "><meta http-equiv=3D"content-type" content=3D"text/html; char=
set=3Dutf-8">=A0 =A0 &gt;<br>
=A0 =A0 &gt; Sincerely<br>=A0 =A0 &gt; Philipp<br><br>=A0 =A0 &gt; PS: If b=
y chance any of your files contains blanks or equal-signs, please let<br>=
=A0 =A0 &gt; me know, since I spotted a Bug in handling them.</span></div><=
div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; co=
lor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; "><b=
r>
</span></div><div><font class=3D"Apple-style-span" color=3D"#222222" face=
=3D"arial, sans-serif"><span class=3D"Apple-style-span" style=3D"border-col=
lapse: collapse; font-size: 15px;">I am sure my files don&#39;t contain bla=
nks or equal-signs .</span></font></div>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; c=
olor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; "><=
br></span></div><div><span class=3D"Apple-style-span" style=3D"border-colla=
pse: collapse; color: rgb(34, 34, 34); font-family: arial, sans-serif; font=
-size: 15px; ">thanks =A0a lot !</span></div>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; c=
olor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; "><=
br></span></div><div><span class=3D"Apple-style-span" style=3D"border-colla=
pse: collapse; color: rgb(34, 34, 34); font-family: arial, sans-serif; font=
-size: 15px; "><meta http-equiv=3D"content-type" content=3D"text/html; char=
set=3Dutf-8">Sincerely</span></div>
<div><span class=3D"Apple-style-span" style=3D"border-collapse: collapse; c=
olor: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 15px; ">B=
ryant</span></div><meta http-equiv=3D"content-type" content=3D"text/html; c=
harset=3Dutf-8"><meta http-equiv=3D"content-type" content=3D"text/html; cha=
rset=3Dutf-8">

--14dae93b5c8c7d10f504b3166de2--


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--===============6567750628618230208==--


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Subject: [Xen-users] Xen Day Boston 2011
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Hi All,

Just a reminder that Xen Day Boston 2011 is coming up next week (December 9th).

There's still room to register, but spots are going fast!

For more information see:
http://blog.xen.org/index.php/2011/12/02/xen-day-presenters/

Let me know if you have any questions.

Thanks,
Todd

-- 
Todd Deshane
http://www.linkedin.com/in/deshantm
http://www.xen.org/community/xenday11.html
http://cloudstack.org/about-cloudstack/cloudstack-events/viewevent/29-build-an-open-source-cloud-day-boston.html

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Hi All,

Just a reminder that Xen Day Boston 2011 is coming up next week (December 9th).

There's still room to register, but spots are going fast!

For more information see:
http://blog.xen.org/index.php/2011/12/02/xen-day-presenters/

Let me know if you have any questions.

Thanks,
Todd

-- 
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http://www.linkedin.com/in/deshantm
http://www.xen.org/community/xenday11.html
http://cloudstack.org/about-cloudstack/cloudstack-events/viewevent/29-build-an-open-source-cloud-day-boston.html

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Subject: Re: [Xen-users] How to solve "Error: Boot loader didn't return any
 data"
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Hi Bryant,

Which filing system are you using for your domU?
Please note you'll need to use ext3/4 for pygrub.

Jan

On 02/12/11 19:53, Bryant Kobe wrote:
> Hello Philipp ,
>
>     > Hello Bryant,
>     >
>     > On Thursday 01 December 2011 09:42:14 Bryant Kobe wrote:
>     >> I am a newcomer to xen , which i study in recent months . I
> have deploy the
>     >> xen-4.1.2 on dell server , centos as dom0 ,  now , i use the
> vhd format to
>     >> be the virtual hard disk , after i execute
>     >>  " xm new ***.cfg" ,
>     >> this vm  generate the vm in "xm list" ,
>     >
>     > This just creates a persistent domain in Xend from your
> configuration file.
>     >
>     >> but when i execute
>     >>  " xm start *** ",
>     >
>     > This is what then starts the domain as currently configured in Xend.
>     >
>     >> "Error: Boot loader didn't return any data " happened ,
>     >>  i refer the official document , saying that "*make sure that the
>     >> partition/lvm/container that contains the kernel and initrd
> comes first " ,
>     >> *but i have provide the vhd containing guest OS .
>     >
>     > You didn't tell what guest OS you try to boot. PyGrub as the
> name should tell
>     > you is an implementation of Grub in Python, used to extract the
> (Linux)
>     > kernel and it's ram-disk from the disk to then run it as a PV
> domain.
>     > If your guest is not an PV capable OS, you need to define a HV
> domain.
>     > You should have a look at /var/log/xen/xend.log and
> xend-debug.log (or where
>     > ever they are located in CentOS.)
>
> my guest OS is also centos5.6 , the error message in
> /var/log/xen/xend.log is :
> """
> [2011-12-02 11:26:40 17507] DEBUG (XendBootloader:123) Launching
> bootloader as ['/usr/bin/pygrub',
> '--output=/var/run/xend/boot/xenbl.14220', '-q', '/dev/xvdp'].
> [2011-12-02 11:26:41 4270] ERROR (XendBootloader:224) Boot loader
> didn't return any data!
> [2011-12-02 11:26:41 4270] INFO (XendDomainInfo:3288) Unmounting
> /dev/xvdp from /dev/xvdp.
> [2011-12-02 11:26:41 4270] DEBUG (XendDomainInfo:1276)
> XendDomainInfo.destroyDevice: deviceClass = tap2, device = /dev/xvdp
> [2011-12-02 11:26:41 4270] DEBUG (DevController:649)
> deviceDestroyCallback /local/domain/0/backend/vbd/0/51952/hotplug-status.
> [2011-12-02 11:26:41 4270] DEBUG (DevController:658)
> deviceDestroyCallback 6.
> [2011-12-02 11:26:41 4270] ERROR (XendDomainInfo:488) VM start failed
> Traceback (most recent call last):
>   File "usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py",
> line 474, in start
>     XendTask.log_progress(31, 60, self._initDomain)
>   File "usr/lib64/python2.4/site-packages/xen/xend/XendTask.py", line
> 209, in log_progress
>     retval = func(*args, **kwds)
>   File "usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py",
> line 2838, in _initDomain
>     self._configureBootloader()
>   File "usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py",
> line 3285, in _configureBootloader
>     bootloader_args, kernel, ramdisk, args)
>   File
> "/usr/lib64/python2.4/site-packages/xen/xend/XendBootloader.py", line
> 225, in bootloader
>     raise VmError, msg
> VmError: Boot loader didn't return any data!
> [2011-12-02 11:26:41 4270] DEBUG (XendDomainInfo:3071)
> XendDomainInfo.destroy: domid=27
> [2011-12-02 11:26:41 4270] DEBUG (XendDomainInfo:2406) No device model
> [2011-12-02 11:26:41 4270] DEBUG (XendDomainInfo:2408) Releasing devices
> """
>
>     >> This situation doesn't occur every time i execute the above
> instruction ,
>     >>  but once happened , i would not start any vm later , unless
> reboot server.
>     >> I have search many references , try some methods for several
> weeks , but
>     >> all don't work !
>     >
>     > To rule out any Xen internal problems, you can try something
> like this:
>     > 1. create a blktap device by hand
>     >  # tap-ctl create -avhd:/path/to/your/image.vhd
>     > This should then print something like "/dev/xen/blktap-2/tapdev6"
>     >  2. Check that the tapdisk works:
>     >  # file -s "/dev/xen/blktap-2/tapdev6"
>     >   This should print something like this:
>     >  /dev/xen/blktap-2/tapdev6: x86 boot sector; partition 1:
> ID=0x83, active, 
>     >  starthead 1, startsector 63, 626472 sectors; partition 2:
> ID=0x83, starthead  
>     > 0, startsector 626535, 2040255 sectors; partition 3: ID=0x8e,
> starthead 0,
>     >  startsector 2666790, 39262860 sectors, code offset 0x63
>     > 3. Run pygrub on that device:
>     > # pygrub "/dev/xen/blktap-2/tapdev6"
>     > This should display the PyGrub menu. After selecting a kernel,
> PyGrub should
>     > print somethin like this:
>     >  linux (kernel /var/run/xend/boot/boot_kernel.g9ssQ9)
>     >  (ramdisk /var/run/xend/boot/boot_ramdisk.jAfNI9)
>     >  (args "root=/dev/mapper/vg_ucs-rootfs ro  splash  quiet
> loglevel=0 vga=788 ")
>     > 4. Destroy the blktap device to clean up step 1.
>     > # tap-ctl list | grep -F "/path/to/your/image.vhd"
>     > # tap-ctl destroy -p $pid -m $minor
>     > where $pid and $minor should be taken from the command above.
>
> I have done follow your above four instructions , get the similar
> results , 
> after executing  1,2,3 , I try to "xm start ***.vhd" , but still get
> "VmError: Boot loader didn't return any data!"
>
> however , this method is workable in xen4.0.3+centos5.6(dom0) . 
> (maybe this is not a good method to start a vm(centos5.6)
>
> which seem to that the vhd file of vm has been mounted , but vm still
> cannot be started ,
> so now rule out the possibility that the vhd file of the vm cannot be
> mounted . 
>
> after failed some times , I  check xenstore , find the following
> strange info : 
>
> [root@xen212 centos]# xm list
> Name                                        ID   Mem VCPUs      State
>   Time(s)
> Domain-0                                     0  1024     8     r-----
>   1537.4
> [root@xen212 centos]# xenstore-list /vm
> 00000000-0000-0000-0000-000000000000
> 00000000-0000-0000-0000-000000000000-1
> 5e4843f3-9ed7-462a-9b41-f07577406b0d
> 00000000-0000-0000-0000-000000000000-2
> 00000000-0000-0000-0000-000000000000-3
> 00000000-0000-0000-0000-000000000000-4
> 00000000-0000-0000-0000-000000000000-5
>
> As far as I know , xenstore only preserves information of running vms
> . There is only dom0 running , but  xenstore  contain other vms'
> information ,I don't know what problems had happened . 
> what do the strange uuids means ?
> Do these strange info related to previous error "VmError: Boot loader
> didn't return any data!" ?
>
> I have read the source code of start in xend written in python , which
> seems to have little help to solve the problem , should I need to read
> the underlying C code to realize more info?
>
>     >
>     > Sincerely
>     > Philipp
>
>     > PS: If by chance any of your files contains blanks or
> equal-signs, please let
>     > me know, since I spotted a Bug in handling them.
>
> I am sure my files don't contain blanks or equal-signs .
>
> thanks  a lot !
>
> Sincerely
> Bryant
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users


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Subject: Re: [Xen-users] How to solve "Error: Boot loader didn't return any
 data"
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Hi Bryant,

Which filing system are you using for your domU?
Please note you'll need to use ext3/4 for pygrub.

Jan

On 02/12/11 19:53, Bryant Kobe wrote:
> Hello Philipp ,
>
>     > Hello Bryant,
>     >
>     > On Thursday 01 December 2011 09:42:14 Bryant Kobe wrote:
>     >> I am a newcomer to xen , which i study in recent months . I
> have deploy the
>     >> xen-4.1.2 on dell server , centos as dom0 ,  now , i use the
> vhd format to
>     >> be the virtual hard disk , after i execute
>     >>  " xm new ***.cfg" ,
>     >> this vm  generate the vm in "xm list" ,
>     >
>     > This just creates a persistent domain in Xend from your
> configuration file.
>     >
>     >> but when i execute
>     >>  " xm start *** ",
>     >
>     > This is what then starts the domain as currently configured in Xend.
>     >
>     >> "Error: Boot loader didn't return any data " happened ,
>     >>  i refer the official document , saying that "*make sure that the
>     >> partition/lvm/container that contains the kernel and initrd
> comes first " ,
>     >> *but i have provide the vhd containing guest OS .
>     >
>     > You didn't tell what guest OS you try to boot. PyGrub as the
> name should tell
>     > you is an implementation of Grub in Python, used to extract the
> (Linux)
>     > kernel and it's ram-disk from the disk to then run it as a PV
> domain.
>     > If your guest is not an PV capable OS, you need to define a HV
> domain.
>     > You should have a look at /var/log/xen/xend.log and
> xend-debug.log (or where
>     > ever they are located in CentOS.)
>
> my guest OS is also centos5.6 , the error message in
> /var/log/xen/xend.log is :
> """
> [2011-12-02 11:26:40 17507] DEBUG (XendBootloader:123) Launching
> bootloader as ['/usr/bin/pygrub',
> '--output=/var/run/xend/boot/xenbl.14220', '-q', '/dev/xvdp'].
> [2011-12-02 11:26:41 4270] ERROR (XendBootloader:224) Boot loader
> didn't return any data!
> [2011-12-02 11:26:41 4270] INFO (XendDomainInfo:3288) Unmounting
> /dev/xvdp from /dev/xvdp.
> [2011-12-02 11:26:41 4270] DEBUG (XendDomainInfo:1276)
> XendDomainInfo.destroyDevice: deviceClass = tap2, device = /dev/xvdp
> [2011-12-02 11:26:41 4270] DEBUG (DevController:649)
> deviceDestroyCallback /local/domain/0/backend/vbd/0/51952/hotplug-status.
> [2011-12-02 11:26:41 4270] DEBUG (DevController:658)
> deviceDestroyCallback 6.
> [2011-12-02 11:26:41 4270] ERROR (XendDomainInfo:488) VM start failed
> Traceback (most recent call last):
>   File "usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py",
> line 474, in start
>     XendTask.log_progress(31, 60, self._initDomain)
>   File "usr/lib64/python2.4/site-packages/xen/xend/XendTask.py", line
> 209, in log_progress
>     retval = func(*args, **kwds)
>   File "usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py",
> line 2838, in _initDomain
>     self._configureBootloader()
>   File "usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py",
> line 3285, in _configureBootloader
>     bootloader_args, kernel, ramdisk, args)
>   File
> "/usr/lib64/python2.4/site-packages/xen/xend/XendBootloader.py", line
> 225, in bootloader
>     raise VmError, msg
> VmError: Boot loader didn't return any data!
> [2011-12-02 11:26:41 4270] DEBUG (XendDomainInfo:3071)
> XendDomainInfo.destroy: domid=27
> [2011-12-02 11:26:41 4270] DEBUG (XendDomainInfo:2406) No device model
> [2011-12-02 11:26:41 4270] DEBUG (XendDomainInfo:2408) Releasing devices
> """
>
>     >> This situation doesn't occur every time i execute the above
> instruction ,
>     >>  but once happened , i would not start any vm later , unless
> reboot server.
>     >> I have search many references , try some methods for several
> weeks , but
>     >> all don't work !
>     >
>     > To rule out any Xen internal problems, you can try something
> like this:
>     > 1. create a blktap device by hand
>     >  # tap-ctl create -avhd:/path/to/your/image.vhd
>     > This should then print something like "/dev/xen/blktap-2/tapdev6"
>     >  2. Check that the tapdisk works:
>     >  # file -s "/dev/xen/blktap-2/tapdev6"
>     >   This should print something like this:
>     >  /dev/xen/blktap-2/tapdev6: x86 boot sector; partition 1:
> ID=0x83, active, 
>     >  starthead 1, startsector 63, 626472 sectors; partition 2:
> ID=0x83, starthead  
>     > 0, startsector 626535, 2040255 sectors; partition 3: ID=0x8e,
> starthead 0,
>     >  startsector 2666790, 39262860 sectors, code offset 0x63
>     > 3. Run pygrub on that device:
>     > # pygrub "/dev/xen/blktap-2/tapdev6"
>     > This should display the PyGrub menu. After selecting a kernel,
> PyGrub should
>     > print somethin like this:
>     >  linux (kernel /var/run/xend/boot/boot_kernel.g9ssQ9)
>     >  (ramdisk /var/run/xend/boot/boot_ramdisk.jAfNI9)
>     >  (args "root=/dev/mapper/vg_ucs-rootfs ro  splash  quiet
> loglevel=0 vga=788 ")
>     > 4. Destroy the blktap device to clean up step 1.
>     > # tap-ctl list | grep -F "/path/to/your/image.vhd"
>     > # tap-ctl destroy -p $pid -m $minor
>     > where $pid and $minor should be taken from the command above.
>
> I have done follow your above four instructions , get the similar
> results , 
> after executing  1,2,3 , I try to "xm start ***.vhd" , but still get
> "VmError: Boot loader didn't return any data!"
>
> however , this method is workable in xen4.0.3+centos5.6(dom0) . 
> (maybe this is not a good method to start a vm(centos5.6)
>
> which seem to that the vhd file of vm has been mounted , but vm still
> cannot be started ,
> so now rule out the possibility that the vhd file of the vm cannot be
> mounted . 
>
> after failed some times , I  check xenstore , find the following
> strange info : 
>
> [root@xen212 centos]# xm list
> Name                                        ID   Mem VCPUs      State
>   Time(s)
> Domain-0                                     0  1024     8     r-----
>   1537.4
> [root@xen212 centos]# xenstore-list /vm
> 00000000-0000-0000-0000-000000000000
> 00000000-0000-0000-0000-000000000000-1
> 5e4843f3-9ed7-462a-9b41-f07577406b0d
> 00000000-0000-0000-0000-000000000000-2
> 00000000-0000-0000-0000-000000000000-3
> 00000000-0000-0000-0000-000000000000-4
> 00000000-0000-0000-0000-000000000000-5
>
> As far as I know , xenstore only preserves information of running vms
> . There is only dom0 running , but  xenstore  contain other vms'
> information ,I don't know what problems had happened . 
> what do the strange uuids means ?
> Do these strange info related to previous error "VmError: Boot loader
> didn't return any data!" ?
>
> I have read the source code of start in xend written in python , which
> seems to have little help to solve the problem , should I need to read
> the underlying C code to realize more info?
>
>     >
>     > Sincerely
>     > Philipp
>
>     > PS: If by chance any of your files contains blanks or
> equal-signs, please let
>     > me know, since I spotted a Bug in handling them.
>
> I am sure my files don't contain blanks or equal-signs .
>
> thanks  a lot !
>
> Sincerely
> Bryant
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users


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Subject: [Xen-users] Xen networking troubles
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Hi all,

For a customer i received a pre-installed CentOS server with the basic Xen
installation running on it. I also received a Public IP range with 6 IP
adresses to use for the VM's.
The eth0 on the server does have a IP adres in a different net.
There is also a eth1 in the server which isn't used.

Now i am in the process of create a (windows 2008) HVM, but i can't get
this HVM connected to the internet by use of one of the public IP adresses
given.

I tried this setup: http://www.debian-administration.org/articles/360 but
that didn't work for me.
I also tried to setup eth1 with one of my public IP adresses and get it
connected to the xenbr0 bridge, but that didn't work either.

Can anyone give some clue's/guidance how to get this setup working?
Thanks a lot!

-- 

Met vriendelijke groet / with kind regards,

Johan Barelds

--000e0cd72ad24510ab04b3188c8c
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Hi all,<div><br></div><div>For a customer i received a pre-installed CentOS=
 server with the basic Xen installation running on it.=A0I also received a =
Public IP range with 6 IP adresses to use for the VM&#39;s.</div><div>The e=
th0 on the server does have a IP adres in a different net.=A0</div>
<div>There is also a eth1 in the server which isn&#39;t used.</div><div><br=
></div><div>Now i am in the process of create a (windows 2008) HVM, but i c=
an&#39;t get this HVM connected to the internet by use of one of the public=
 IP adresses given.</div>
<div><br></div><div>I tried this setup:=A0<a href=3D"http://www.debian-admi=
nistration.org/articles/360">http://www.debian-administration.org/articles/=
360</a>=A0but that didn&#39;t work for me.</div><div>I also tried to setup =
eth1 with one of my public IP adresses and get it connected to the xenbr0 b=
ridge, but that didn&#39;t work either.</div>
<div><br></div><div>Can anyone give some clue&#39;s/guidance how to get thi=
s setup working?</div><div>Thanks a lot!<br clear=3D"all">
<div><br></div>-- <br><p><span>Met vriendelijke groet
/ with kind regards,</span>=A0</p>

<p><span>Johan Barelds</span></p><br>
</div>

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--000e0cd72ad24510ab04b3188c8c
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Hi all,

For a customer i received a pre-installed CentOS server with the basic Xen
installation running on it. I also received a Public IP range with 6 IP
adresses to use for the VM's.
The eth0 on the server does have a IP adres in a different net.
There is also a eth1 in the server which isn't used.

Now i am in the process of create a (windows 2008) HVM, but i can't get
this HVM connected to the internet by use of one of the public IP adresses
given.

I tried this setup: http://www.debian-administration.org/articles/360 but
that didn't work for me.
I also tried to setup eth1 with one of my public IP adresses and get it
connected to the xenbr0 bridge, but that didn't work either.

Can anyone give some clue's/guidance how to get this setup working?
Thanks a lot!

-- 

Met vriendelijke groet / with kind regards,

Johan Barelds

--000e0cd72ad24510ab04b3188c8c
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Hi all,<div><br></div><div>For a customer i received a pre-installed CentOS=
 server with the basic Xen installation running on it.=A0I also received a =
Public IP range with 6 IP adresses to use for the VM&#39;s.</div><div>The e=
th0 on the server does have a IP adres in a different net.=A0</div>
<div>There is also a eth1 in the server which isn&#39;t used.</div><div><br=
></div><div>Now i am in the process of create a (windows 2008) HVM, but i c=
an&#39;t get this HVM connected to the internet by use of one of the public=
 IP adresses given.</div>
<div><br></div><div>I tried this setup:=A0<a href=3D"http://www.debian-admi=
nistration.org/articles/360">http://www.debian-administration.org/articles/=
360</a>=A0but that didn&#39;t work for me.</div><div>I also tried to setup =
eth1 with one of my public IP adresses and get it connected to the xenbr0 b=
ridge, but that didn&#39;t work either.</div>
<div><br></div><div>Can anyone give some clue&#39;s/guidance how to get thi=
s setup working?</div><div>Thanks a lot!<br clear=3D"all">
<div><br></div>-- <br><p><span>Met vriendelijke groet
/ with kind regards,</span>=A0</p>

<p><span>Johan Barelds</span></p><br>
</div>

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Am Donnerstag, 1. Dezember 2011, 20:55:59 schrieb John Sherwood:
> to set the IP, there's no way (that I'm aware of) to just the IP via config
> or whatever, but you can mount the disk image and edit its config that way.
>  You can also set the MAC address for the vif in config, and then add a
> DHCP reservation for the MAC.
hmm,
not shure if we talk about the same issue, but (at least in Xen 3) these 
options in xen config:

	ip = "1.2.3.4"
	netmask = "255.255.255.0"
	gateway = "1.2.3.5"
	hostname="myguest1"

or even

	dhcp="dhcp"

allows to provide a static or dynamic IP configuration into a VM / DomU by xen 
(but seems not provided by any guest OS).


hth
cheers,


Niels.




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Am Donnerstag, 1. Dezember 2011, 20:55:59 schrieb John Sherwood:
> to set the IP, there's no way (that I'm aware of) to just the IP via config
> or whatever, but you can mount the disk image and edit its config that way.
>  You can also set the MAC address for the vif in config, and then add a
> DHCP reservation for the MAC.
hmm,
not shure if we talk about the same issue, but (at least in Xen 3) these 
options in xen config:

	ip = "1.2.3.4"
	netmask = "255.255.255.0"
	gateway = "1.2.3.5"
	hostname="myguest1"

or even

	dhcp="dhcp"

allows to provide a static or dynamic IP configuration into a VM / DomU by xen 
(but seems not provided by any guest OS).


hth
cheers,


Niels.




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Syndicat IT&Internet
http://www.syndicat.com/
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To: Johan Barelds <j.barelds@good-it.com>, "xen-users@lists.xensource.com"
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For a customer i received a pre-installed CentOS server with the basic Xen =
installation running on it.=A0I also received a Public IP range with 6 IP a=
dresses to use for the VM's.
The eth0 on the server does have a IP adres in a different net.=A0
There is also a eth1 in the server which isn't used.

Now i am in the process of create a (windows 2008) HVM, but i can't get thi=
s HVM connected to the internet by use of one of the public IP adresses giv=
en.

I tried this setup:=A0http://www.debian-administration.org/articles/360=A0b=
ut that didn't work for me.
I also tried to setup eth1 with one of my public IP adresses and get it con=
nected to the xenbr0 bridge, but that didn't work either.

Can anyone give some clue's/guidance how to get this setup working?
Thanks a lot!


There are several options open but I'll suggest one using the spare eth1 in=
terface.  There are different ways to accomplish the bridge creation which =
will depend a bit on your setup.  Personally I am using Xen 4.1.2 and rely =
on my system network scripts for all the bridge and interface configuration.

1. Create a new bridge called breth1 on the system and add eth1 to it:
 # brctl addbr breth1
 # brctl addif breth1 eth1
Note it is not necessary to assign an IP to the eth1 interface on the dom0 =
for this to work.  That's only required if you want access to the dom0 via =
that interface.

2. Change your vif line in your HVM configuration to use the breth1 device
vif =3D [ 'bridge=3Dbreth1' ]

3. Configure the appropriate IP/netmask in your HVM

James
This message and the information contained herein is proprietary and confid=
ential and subject to the Amdocs policy statement,
you may review at http://www.amdocs.com/email_disclaimer.asp


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For a customer i received a pre-installed CentOS server with the basic Xen =
installation running on it.=A0I also received a Public IP range with 6 IP a=
dresses to use for the VM's.
The eth0 on the server does have a IP adres in a different net.=A0
There is also a eth1 in the server which isn't used.

Now i am in the process of create a (windows 2008) HVM, but i can't get thi=
s HVM connected to the internet by use of one of the public IP adresses giv=
en.

I tried this setup:=A0http://www.debian-administration.org/articles/360=A0b=
ut that didn't work for me.
I also tried to setup eth1 with one of my public IP adresses and get it con=
nected to the xenbr0 bridge, but that didn't work either.

Can anyone give some clue's/guidance how to get this setup working?
Thanks a lot!


There are several options open but I'll suggest one using the spare eth1 in=
terface.  There are different ways to accomplish the bridge creation which =
will depend a bit on your setup.  Personally I am using Xen 4.1.2 and rely =
on my system network scripts for all the bridge and interface configuration.

1. Create a new bridge called breth1 on the system and add eth1 to it:
 # brctl addbr breth1
 # brctl addif breth1 eth1
Note it is not necessary to assign an IP to the eth1 interface on the dom0 =
for this to work.  That's only required if you want access to the dom0 via =
that interface.

2. Change your vif line in your HVM configuration to use the breth1 device
vif =3D [ 'bridge=3Dbreth1' ]

3. Configure the appropriate IP/netmask in your HVM

James
This message and the information contained herein is proprietary and confid=
ential and subject to the Amdocs policy statement,
you may review at http://www.amdocs.com/email_disclaimer.asp


_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Please keep replies on-list so other people can also benefit from any knowl=
edge and contribute to the discussion.  Also the list convention is to bott=
om post. :)

Thanks for your quick response James!
I tried it and it's not working yet.
On the Windows network card i got the yellow triangle saying: "Unidentified=
 Network".
What should i use for Default Gateway on my HVM btw?
I used now the one IP from my public range that i configured on my eth1

- Do you have a separate device on the 6 IP subnet that is already a router=
 or will your dom0 perform this function?  If it will be your dom0 via the =
eth0 interface then you will need to assign an IP address from the 6 IP sub=
net to the bridge and enable IP forwarding by adding the line
net.ipv4.ip_forward =3D 1
to /etc/sysctl.conf and executing sysctl -p
You'll also need to make sure that the rest of your network knows to route =
the domU subnet via the dom0.
If your eth1 isn't actually connected to the network then you can use the b=
ridge without a physical interface attached to it.

And about setting up the extra bridge breth1: does that stick if i reboot t=
he server?
And if not how can i make ik more permanent?
- To make it permanent you'll need to edit the network scripts.  I'm afraid=
 I don't have specific RHEL/CentOS knowledge.  But http://acidborg.wordpres=
s.com/2010/01/20/how-to-configure-a-network-bridge-in-red-hat-fedora/ looks=
 like it should give you enough information though.


2011/12/2 James Dingwall <james.dingwall@amdocs.com>

For a customer i received a pre-installed CentOS server with the basic Xen =
installation running on it.=A0I also received a Public IP range with 6 IP a=
dresses to use for the VM's.
The eth0 on the server does have a IP adres in a different net.=A0
There is also a eth1 in the server which isn't used.

Now i am in the process of create a (windows 2008) HVM, but i can't get thi=
s HVM connected to the internet by use of one of the public IP adresses giv=
en.

I tried this setup:=A0http://www.debian-administration.org/articles/360=A0b=
ut that didn't work for me.
I also tried to setup eth1 with one of my public IP adresses and get it con=
nected to the xenbr0 bridge, but that didn't work either.

Can anyone give some clue's/guidance how to get this setup working?
Thanks a lot!

There are several options open but I'll suggest one using the spare eth1 in=
terface. =A0There are different ways to accomplish the bridge creation whic=
h will depend a bit on your setup. =A0Personally I am using Xen 4.1.2 and r=
ely on my system network scripts for all the bridge and interface configura=
tion.

1. Create a new bridge called breth1 on the system and add eth1 to it:
=A0# brctl addbr breth1
=A0# brctl addif breth1 eth1
Note it is not necessary to assign an IP to the eth1 interface on the dom0 =
for this to work. =A0That's only required if you want access to the dom0 vi=
a that interface.

2. Change your vif line in your HVM configuration to use the breth1 device
vif =3D [ 'bridge=3Dbreth1' ]

3. Configure the appropriate IP/netmask in your HVM

This message and the information contained herein is proprietary and confid=
ential and subject to the Amdocs policy statement,
you may review at http://www.amdocs.com/email_disclaimer.asp


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From: James Dingwall <james.dingwall@amdocs.com>
To: Johan Barelds <j.barelds@good-it.com>
Date: Fri, 2 Dec 2011 12:18:15 +0200
Thread-Topic: [Xen-users] Xen networking troubles
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Please keep replies on-list so other people can also benefit from any knowl=
edge and contribute to the discussion.  Also the list convention is to bott=
om post. :)

Thanks for your quick response James!
I tried it and it's not working yet.
On the Windows network card i got the yellow triangle saying: "Unidentified=
 Network".
What should i use for Default Gateway on my HVM btw?
I used now the one IP from my public range that i configured on my eth1

- Do you have a separate device on the 6 IP subnet that is already a router=
 or will your dom0 perform this function?  If it will be your dom0 via the =
eth0 interface then you will need to assign an IP address from the 6 IP sub=
net to the bridge and enable IP forwarding by adding the line
net.ipv4.ip_forward =3D 1
to /etc/sysctl.conf and executing sysctl -p
You'll also need to make sure that the rest of your network knows to route =
the domU subnet via the dom0.
If your eth1 isn't actually connected to the network then you can use the b=
ridge without a physical interface attached to it.

And about setting up the extra bridge breth1: does that stick if i reboot t=
he server?
And if not how can i make ik more permanent?
- To make it permanent you'll need to edit the network scripts.  I'm afraid=
 I don't have specific RHEL/CentOS knowledge.  But http://acidborg.wordpres=
s.com/2010/01/20/how-to-configure-a-network-bridge-in-red-hat-fedora/ looks=
 like it should give you enough information though.


2011/12/2 James Dingwall <james.dingwall@amdocs.com>

For a customer i received a pre-installed CentOS server with the basic Xen =
installation running on it.=A0I also received a Public IP range with 6 IP a=
dresses to use for the VM's.
The eth0 on the server does have a IP adres in a different net.=A0
There is also a eth1 in the server which isn't used.

Now i am in the process of create a (windows 2008) HVM, but i can't get thi=
s HVM connected to the internet by use of one of the public IP adresses giv=
en.

I tried this setup:=A0http://www.debian-administration.org/articles/360=A0b=
ut that didn't work for me.
I also tried to setup eth1 with one of my public IP adresses and get it con=
nected to the xenbr0 bridge, but that didn't work either.

Can anyone give some clue's/guidance how to get this setup working?
Thanks a lot!

There are several options open but I'll suggest one using the spare eth1 in=
terface. =A0There are different ways to accomplish the bridge creation whic=
h will depend a bit on your setup. =A0Personally I am using Xen 4.1.2 and r=
ely on my system network scripts for all the bridge and interface configura=
tion.

1. Create a new bridge called breth1 on the system and add eth1 to it:
=A0# brctl addbr breth1
=A0# brctl addif breth1 eth1
Note it is not necessary to assign an IP to the eth1 interface on the dom0 =
for this to work. =A0That's only required if you want access to the dom0 vi=
a that interface.

2. Change your vif line in your HVM configuration to use the breth1 device
vif =3D [ 'bridge=3Dbreth1' ]

3. Configure the appropriate IP/netmask in your HVM

This message and the information contained herein is proprietary and confid=
ential and subject to the Amdocs policy statement,
you may review at http://www.amdocs.com/email_disclaimer.asp


_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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From: Johan Barelds <j.barelds@good-it.com>
To: "xen-users@lists.xensource.com" <xen-users@lists.xensource.com>
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2011/12/2 James Dingwall <james.dingwall@amdocs.com>

> Thanks for your quick response James!
> I tried it and it's not working yet.
> On the Windows network card i got the yellow triangle saying:
> "Unidentified Network".
> What should i use for Default Gateway on my HVM btw?
> I used now the one IP from my public range that i configured on my eth1
>
> - Do you have a separate device on the 6 IP subnet that is already a
> router or will your dom0 perform this function?  If it will be your dom0
> via the eth0 interface then you will need to assign an IP address from the
> 6 IP subnet to the bridge and enable IP forwarding by adding the line
> net.ipv4.ip_forward = 1
> to /etc/sysctl.conf and executing sysctl -p
> You'll also need to make sure that the rest of your network knows to route
> the domU subnet via the dom0.
> If your eth1 isn't actually connected to the network then you can use the
> bridge without a physical interface attached to it.
>
> And about setting up the extra bridge breth1: does that stick if i reboot
> the server?
> And if not how can i make ik more permanent?
> - To make it permanent you'll need to edit the network scripts.  I'm
> afraid I don't have specific RHEL/CentOS knowledge.  But
> http://acidborg.wordpress.com/2010/01/20/how-to-configure-a-network-bridge-in-red-hat-fedora/looks like it should give you enough information though.
>
>
> Hi James,

I do not have a separate device in my IP range that functions as a router.
Can you explain how i assign an IP address from the 6 IP subnet to the
bridge?
I assume you mean the xenbr0 bridge?

Thanks again!

Gr. Johan



-- 

Met vriendelijke groet / with kind regards,

Johan Barelds

*Good IT!
*M: +31 (0)6 54253750
E: j.barelds@good-it.com
W: http://www.good-it.com

--0015176f17209ba40004b3197203
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2011/12/2 James Dingwall <span dir=3D"ltr">&lt;<a href=3D"mailto:james.ding=
wall@amdocs.com">james.dingwall@amdocs.com</a>&gt;</span><br><div class=3D"=
gmail_quote"><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;b=
order-left:1px #ccc solid;padding-left:1ex;">
<div class=3D"im">Thanks for your quick response James!<br>
I tried it and it&#39;s not working yet.<br>
On the Windows network card i got the yellow triangle saying: &quot;Unident=
ified Network&quot;.<br>
What should i use for Default Gateway on my HVM btw?<br>
I used now the one IP from my public range that i configured on my eth1<br>
<br>
</div>- Do you have a separate device on the 6 IP subnet that is already a =
router or will your dom0 perform this function? =A0If it will be your dom0 =
via the eth0 interface then you will need to assign an IP address from the =
6 IP subnet to the bridge and enable IP forwarding by adding the line<br>

net.ipv4.ip_forward =3D 1<br>
to /etc/sysctl.conf and executing sysctl -p<br>
You&#39;ll also need to make sure that the rest of your network knows to ro=
ute the domU subnet via the dom0.<br>
If your eth1 isn&#39;t actually connected to the network then you can use t=
he bridge without a physical interface attached to it.<br>
<div class=3D"im"><br>
And about setting up the extra bridge breth1: does that stick if i reboot t=
he server?<br>
And if not how can i make ik more permanent?<br>
</div>- To make it permanent you&#39;ll need to edit the network scripts. =
=A0I&#39;m afraid I don&#39;t have specific RHEL/CentOS knowledge. =A0But <=
a href=3D"http://acidborg.wordpress.com/2010/01/20/how-to-configure-a-netwo=
rk-bridge-in-red-hat-fedora/" target=3D"_blank">http://acidborg.wordpress.c=
om/2010/01/20/how-to-configure-a-network-bridge-in-red-hat-fedora/</a> look=
s like it should give you enough information though.<br>

<div class=3D"im HOEnZb"><br><br></div></blockquote></div><div>Hi James,</d=
iv><div><br></div><div>I do not have a separate device in my IP range that =
functions as a router.</div><div>Can you explain how i assign=A0an IP addre=
ss from the 6 IP subnet to the bridge?</div>
<div>I assume you mean the xenbr0 bridge?</div><div><br></div><div>Thanks a=
gain!</div><div><br></div><div>Gr. Johan</div><div><br></div><div><br></div=
><div><br></div>-- <br><p><span>Met vriendelijke groet
/ with kind regards,</span>=A0</p>

<p><span>Johan Barelds<br></span><span></span><span></span><br><b><span lan=
g=3D"EN-US">Good IT!<br></span></b>M: +31 (0)6 54253750<br><span lang=3D"EN=
-US">E: </span><span><span lang=3D"EN-US"><a href=3D"mailto:j.barelds@good-=
it.com" target=3D"_blank">j.barelds@good-it.com</a><br>
</span></span><span lang=3D"EN-US">W: </span><span><a href=3D"http://www.go=
od-it.com/" target=3D"_blank"><span lang=3D"EN-US">http://www.good-it.com</=
span></a></span></p>

<p><span lang=3D"EN-US">=A0</span></p><br>

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From: Johan Barelds <j.barelds@good-it.com>
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2011/12/2 James Dingwall <james.dingwall@amdocs.com>

> Thanks for your quick response James!
> I tried it and it's not working yet.
> On the Windows network card i got the yellow triangle saying:
> "Unidentified Network".
> What should i use for Default Gateway on my HVM btw?
> I used now the one IP from my public range that i configured on my eth1
>
> - Do you have a separate device on the 6 IP subnet that is already a
> router or will your dom0 perform this function?  If it will be your dom0
> via the eth0 interface then you will need to assign an IP address from the
> 6 IP subnet to the bridge and enable IP forwarding by adding the line
> net.ipv4.ip_forward = 1
> to /etc/sysctl.conf and executing sysctl -p
> You'll also need to make sure that the rest of your network knows to route
> the domU subnet via the dom0.
> If your eth1 isn't actually connected to the network then you can use the
> bridge without a physical interface attached to it.
>
> And about setting up the extra bridge breth1: does that stick if i reboot
> the server?
> And if not how can i make ik more permanent?
> - To make it permanent you'll need to edit the network scripts.  I'm
> afraid I don't have specific RHEL/CentOS knowledge.  But
> http://acidborg.wordpress.com/2010/01/20/how-to-configure-a-network-bridge-in-red-hat-fedora/looks like it should give you enough information though.
>
>
> Hi James,

I do not have a separate device in my IP range that functions as a router.
Can you explain how i assign an IP address from the 6 IP subnet to the
bridge?
I assume you mean the xenbr0 bridge?

Thanks again!

Gr. Johan



-- 

Met vriendelijke groet / with kind regards,

Johan Barelds

*Good IT!
*M: +31 (0)6 54253750
E: j.barelds@good-it.com
W: http://www.good-it.com

--0015176f17209ba40004b3197203
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

2011/12/2 James Dingwall <span dir=3D"ltr">&lt;<a href=3D"mailto:james.ding=
wall@amdocs.com">james.dingwall@amdocs.com</a>&gt;</span><br><div class=3D"=
gmail_quote"><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;b=
order-left:1px #ccc solid;padding-left:1ex;">
<div class=3D"im">Thanks for your quick response James!<br>
I tried it and it&#39;s not working yet.<br>
On the Windows network card i got the yellow triangle saying: &quot;Unident=
ified Network&quot;.<br>
What should i use for Default Gateway on my HVM btw?<br>
I used now the one IP from my public range that i configured on my eth1<br>
<br>
</div>- Do you have a separate device on the 6 IP subnet that is already a =
router or will your dom0 perform this function? =A0If it will be your dom0 =
via the eth0 interface then you will need to assign an IP address from the =
6 IP subnet to the bridge and enable IP forwarding by adding the line<br>

net.ipv4.ip_forward =3D 1<br>
to /etc/sysctl.conf and executing sysctl -p<br>
You&#39;ll also need to make sure that the rest of your network knows to ro=
ute the domU subnet via the dom0.<br>
If your eth1 isn&#39;t actually connected to the network then you can use t=
he bridge without a physical interface attached to it.<br>
<div class=3D"im"><br>
And about setting up the extra bridge breth1: does that stick if i reboot t=
he server?<br>
And if not how can i make ik more permanent?<br>
</div>- To make it permanent you&#39;ll need to edit the network scripts. =
=A0I&#39;m afraid I don&#39;t have specific RHEL/CentOS knowledge. =A0But <=
a href=3D"http://acidborg.wordpress.com/2010/01/20/how-to-configure-a-netwo=
rk-bridge-in-red-hat-fedora/" target=3D"_blank">http://acidborg.wordpress.c=
om/2010/01/20/how-to-configure-a-network-bridge-in-red-hat-fedora/</a> look=
s like it should give you enough information though.<br>

<div class=3D"im HOEnZb"><br><br></div></blockquote></div><div>Hi James,</d=
iv><div><br></div><div>I do not have a separate device in my IP range that =
functions as a router.</div><div>Can you explain how i assign=A0an IP addre=
ss from the 6 IP subnet to the bridge?</div>
<div>I assume you mean the xenbr0 bridge?</div><div><br></div><div>Thanks a=
gain!</div><div><br></div><div>Gr. Johan</div><div><br></div><div><br></div=
><div><br></div>-- <br><p><span>Met vriendelijke groet
/ with kind regards,</span>=A0</p>

<p><span>Johan Barelds<br></span><span></span><span></span><br><b><span lan=
g=3D"EN-US">Good IT!<br></span></b>M: +31 (0)6 54253750<br><span lang=3D"EN=
-US">E: </span><span><span lang=3D"EN-US"><a href=3D"mailto:j.barelds@good-=
it.com" target=3D"_blank">j.barelds@good-it.com</a><br>
</span></span><span lang=3D"EN-US">W: </span><span><a href=3D"http://www.go=
od-it.com/" target=3D"_blank"><span lang=3D"EN-US">http://www.good-it.com</=
span></a></span></p>

<p><span lang=3D"EN-US">=A0</span></p><br>

--0015176f17209ba40004b3197203--


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Subject: Re: [Xen-users] GET IP ADDRESS VM
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Hello Guys,

Am 02.12.2011 10:27, schrieb Niels Dettenbach:
> Am Donnerstag, 1. Dezember 2011, 20:55:59 schrieb John Sherwood:
>> to set the IP, there's no way (that I'm aware of) to just the IP via config
>> or whatever, but you can mount the disk image and edit its config that way.
>>  You can also set the MAC address for the vif in config, and then add a
>> DHCP reservation for the MAC.
> hmm,
> not shure if we talk about the same issue, but (at least in Xen 3) these 
> options in xen config:
>
> 	ip = "1.2.3.4"
> 	netmask = "255.255.255.0"
> 	gateway = "1.2.3.5"
> 	hostname="myguest1"
>
> or even
>
> 	dhcp="dhcp"
These options are using the automated kernel configuration, which can
still be used by specifying extra="ip=..." (see kernel options manual
for the syntax of the ip parameter).
It's usually only used for root filesystem via NFS, because it's mostly
overwritten by the OS configuration.

IDK what happend to specifying vif = [ "...,ip=..." ] in the domain
configuration, maybe this option is no longer supported by xl.

However, if you want to *force* a domain to use a specific ip address,
you need to use a custom vif script with extended iptables filtering.
The best way to just set a static ip address is setting them in the
domain's operating system network configuration or with static DHCP
assignment (MAC addresses of domU can be set as a parameter to the vif).
>
> allows to provide a static or dynamic IP configuration into a VM / DomU by xen 
> (but seems not provided by any guest OS).
>
>
> hth
> cheers,
>
>
> Niels.
Regards,
Felix

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Hello Guys,

Am 02.12.2011 10:27, schrieb Niels Dettenbach:
> Am Donnerstag, 1. Dezember 2011, 20:55:59 schrieb John Sherwood:
>> to set the IP, there's no way (that I'm aware of) to just the IP via config
>> or whatever, but you can mount the disk image and edit its config that way.
>>  You can also set the MAC address for the vif in config, and then add a
>> DHCP reservation for the MAC.
> hmm,
> not shure if we talk about the same issue, but (at least in Xen 3) these 
> options in xen config:
>
> 	ip = "1.2.3.4"
> 	netmask = "255.255.255.0"
> 	gateway = "1.2.3.5"
> 	hostname="myguest1"
>
> or even
>
> 	dhcp="dhcp"
These options are using the automated kernel configuration, which can
still be used by specifying extra="ip=..." (see kernel options manual
for the syntax of the ip parameter).
It's usually only used for root filesystem via NFS, because it's mostly
overwritten by the OS configuration.

IDK what happend to specifying vif = [ "...,ip=..." ] in the domain
configuration, maybe this option is no longer supported by xl.

However, if you want to *force* a domain to use a specific ip address,
you need to use a custom vif script with extended iptables filtering.
The best way to just set a static ip address is setting them in the
domain's operating system network configuration or with static DHCP
assignment (MAC addresses of domU can be set as a parameter to the vif).
>
> allows to provide a static or dynamic IP configuration into a VM / DomU by xen 
> (but seems not provided by any guest OS).
>
>
> hth
> cheers,
>
>
> Niels.
Regards,
Felix

_______________________________________________
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From: James Dingwall <james.dingwall@amdocs.com>
To: Johan Barelds <j.barelds@good-it.com>, "xen-users@lists.xensource.com"
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From: xen-users-bounces@lists.xensource.com [mailto:xen-users-bounces@lists=
.xensource.com] On Behalf Of Johan Barelds
Sent: 2 December 2011 10:30
To: xen-users@lists.xensource.com
Subject: Re: [Xen-users] Xen networking troubles

2011/12/2 James Dingwall <james.dingwall@amdocs.com>
Thanks for your quick response James!
I tried it and it's not working yet.
On the Windows network card i got the yellow triangle saying: "Unidentified=
 Network".
What should i use for Default Gateway on my HVM btw?
I used now the one IP from my public range that i configured on my eth1
- Do you have a separate device on the 6 IP subnet that is already a router=
 or will your dom0 perform this function? =A0If it will be your dom0 via th=
e eth0 interface then you will need to assign an IP address from the 6 IP s=
ubnet to the bridge and enable IP forwarding by adding the line
net.ipv4.ip_forward =3D 1
to /etc/sysctl.conf and executing sysctl -p
You'll also need to make sure that the rest of your network knows to route =
the domU subnet via the dom0.
If your eth1 isn't actually connected to the network then you can use the b=
ridge without a physical interface attached to it.

And about setting up the extra bridge breth1: does that stick if i reboot t=
he server?
And if not how can i make ik more permanent?
- To make it permanent you'll need to edit the network scripts. =A0I'm afra=
id I don't have specific RHEL/CentOS knowledge. =A0But http://acidborg.word=
press.com/2010/01/20/how-to-configure-a-network-bridge-in-red-hat-fedora/ l=
ooks like it should give you enough information though.

Hi James,

I do not have a separate device in my IP range that functions as a router.
Can you explain how i assign=A0an IP address from the 6 IP subnet to the br=
idge?
I assume you mean the xenbr0 bridge?

You would need to assign an IP from the 6 to the new bridge that you create=
d.  xenbr0 should have the current IP of your dom0 assigned.  From the comm=
and line it would be something like:
# ifconfig breth1 192.168.1.1 netmask 255.255.255.248

Let's say the domU subnet is 10.10.10.0/29, usable IPs .1 to .6.  The dom0 =
eth0 interface is wired to a network where 192.168.10.1 is the router.


			dom0

	    eth0			    eth1		Physical interfaces
              |				      |
	   xenbr0			   breth1		Bridges (created by Xen or OS script)
	192.168.1.10/24			10.10.10.1/29		IP assigned to the bridge
					      |
					    domUs
				10.10.10.2-6/29, g/w 10.10.10.1	IPs available to domU


The routing table in the dom0 has a default gateway entry that looks like
0.0.0.0         192.168.1.1     0.0.0.0         UG        0 0          0 xe=
nbr0


The g/w for the domU indicates traffic should be sent to the dom0, 10.10.10=
.1.  With ip_forward =3D 1 the dom0 can now use its routing table to forwar=
d traffic via the eth0 interface to 192.168.10.1 which will know about the =
rest of the network.  This router must know that return traffic for 10.10.1=
0.0/29 is to be forwarded to the eth0 IP of the dom0, 192.168.1.10 in this =
example.


This message and the information contained herein is proprietary and confid=
ential and subject to the Amdocs policy statement,
you may review at http://www.amdocs.com/email_disclaimer.asp


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From: James Dingwall <james.dingwall@amdocs.com>
To: Johan Barelds <j.barelds@good-it.com>, "xen-users@lists.xensource.com"
	<xen-users@lists.xensource.com>
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Thread-Topic: [Xen-users] Xen networking troubles
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From: xen-users-bounces@lists.xensource.com [mailto:xen-users-bounces@lists=
.xensource.com] On Behalf Of Johan Barelds
Sent: 2 December 2011 10:30
To: xen-users@lists.xensource.com
Subject: Re: [Xen-users] Xen networking troubles

2011/12/2 James Dingwall <james.dingwall@amdocs.com>
Thanks for your quick response James!
I tried it and it's not working yet.
On the Windows network card i got the yellow triangle saying: "Unidentified=
 Network".
What should i use for Default Gateway on my HVM btw?
I used now the one IP from my public range that i configured on my eth1
- Do you have a separate device on the 6 IP subnet that is already a router=
 or will your dom0 perform this function? =A0If it will be your dom0 via th=
e eth0 interface then you will need to assign an IP address from the 6 IP s=
ubnet to the bridge and enable IP forwarding by adding the line
net.ipv4.ip_forward =3D 1
to /etc/sysctl.conf and executing sysctl -p
You'll also need to make sure that the rest of your network knows to route =
the domU subnet via the dom0.
If your eth1 isn't actually connected to the network then you can use the b=
ridge without a physical interface attached to it.

And about setting up the extra bridge breth1: does that stick if i reboot t=
he server?
And if not how can i make ik more permanent?
- To make it permanent you'll need to edit the network scripts. =A0I'm afra=
id I don't have specific RHEL/CentOS knowledge. =A0But http://acidborg.word=
press.com/2010/01/20/how-to-configure-a-network-bridge-in-red-hat-fedora/ l=
ooks like it should give you enough information though.

Hi James,

I do not have a separate device in my IP range that functions as a router.
Can you explain how i assign=A0an IP address from the 6 IP subnet to the br=
idge?
I assume you mean the xenbr0 bridge?

You would need to assign an IP from the 6 to the new bridge that you create=
d.  xenbr0 should have the current IP of your dom0 assigned.  From the comm=
and line it would be something like:
# ifconfig breth1 192.168.1.1 netmask 255.255.255.248

Let's say the domU subnet is 10.10.10.0/29, usable IPs .1 to .6.  The dom0 =
eth0 interface is wired to a network where 192.168.10.1 is the router.


			dom0

	    eth0			    eth1		Physical interfaces
              |				      |
	   xenbr0			   breth1		Bridges (created by Xen or OS script)
	192.168.1.10/24			10.10.10.1/29		IP assigned to the bridge
					      |
					    domUs
				10.10.10.2-6/29, g/w 10.10.10.1	IPs available to domU


The routing table in the dom0 has a default gateway entry that looks like
0.0.0.0         192.168.1.1     0.0.0.0         UG        0 0          0 xe=
nbr0


The g/w for the domU indicates traffic should be sent to the dom0, 10.10.10=
.1.  With ip_forward =3D 1 the dom0 can now use its routing table to forwar=
d traffic via the eth0 interface to 192.168.10.1 which will know about the =
rest of the network.  This router must know that return traffic for 10.10.1=
0.0/29 is to be forwarded to the eth0 IP of the dom0, 192.168.1.10 in this =
example.


This message and the information contained herein is proprietary and confid=
ential and subject to the Amdocs policy statement,
you may review at http://www.amdocs.com/email_disclaimer.asp


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Am Freitag, 2. Dezember 2011, 12:00:45 schrieb Felix Kuperjans:
> These options are using the automated kernel configuration, which can
> still be used by specifying extra="ip=..." (see kernel options manual
> for the syntax of the ip parameter).
> It's usually only used for root filesystem via NFS, because it's mostly
> overwritten by the OS configuration.
Ok,
i use this mainly with Gentoo Linux guests which did not overwrite anything by 
default (in very simple network requirements) or i.e. for installation / 
kickstart purposes.

> The best way to just set a static ip address is setting them in the
> domain's operating system network configuration or with static DHCP
> assignment (MAC addresses of domU can be set as a parameter to the vif).
ack.


cheers,


Niels.
-- 
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Syndicat IT&Internet
http://www.syndicat.com/
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Am Freitag, 2. Dezember 2011, 12:00:45 schrieb Felix Kuperjans:
> These options are using the automated kernel configuration, which can
> still be used by specifying extra="ip=..." (see kernel options manual
> for the syntax of the ip parameter).
> It's usually only used for root filesystem via NFS, because it's mostly
> overwritten by the OS configuration.
Ok,
i use this mainly with Gentoo Linux guests which did not overwrite anything by 
default (in very simple network requirements) or i.e. for installation / 
kickstart purposes.

> The best way to just set a static ip address is setting them in the
> domain's operating system network configuration or with static DHCP
> assignment (MAC addresses of domU can be set as a parameter to the vif).
ack.


cheers,


Niels.
-- 
---
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Syndicat IT&Internet
http://www.syndicat.com/
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Date: Fri, 2 Dec 2011 13:21:15 +0100
Message-ID: <CAG-xfgdkP4r52jF=0XD0OGmnsSSByOfWQKQ9AbvNOUgTm0AqPA@mail.gmail.com>
From: Johan Barelds <j.barelds@good-it.com>
To: "xen-users@lists.xensource.com" <xen-users@lists.xensource.com>
Subject: Re: [Xen-users] Xen networking troubles
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2011/12/2 James Dingwall <james.dingwall@amdocs.com>

>
> From: xen-users-bounces@lists.xensource.com [mailto:
> xen-users-bounces@lists.xensource.com] On Behalf Of Johan Barelds
> Sent: 2 December 2011 10:30
> To: xen-users@lists.xensource.com
> Subject: Re: [Xen-users] Xen networking troubles
>
> 2011/12/2 James Dingwall <james.dingwall@amdocs.com>
> Thanks for your quick response James!
> I tried it and it's not working yet.
> On the Windows network card i got the yellow triangle saying:
> "Unidentified Network".
> What should i use for Default Gateway on my HVM btw?
> I used now the one IP from my public range that i configured on my eth1
> - Do you have a separate device on the 6 IP subnet that is already a
> router or will your dom0 perform this function?  If it will be your dom0
> via the eth0 interface then you will need to assign an IP address from the
> 6 IP subnet to the bridge and enable IP forwarding by adding the line
> net.ipv4.ip_forward = 1
> to /etc/sysctl.conf and executing sysctl -p
> You'll also need to make sure that the rest of your network knows to route
> the domU subnet via the dom0.
> If your eth1 isn't actually connected to the network then you can use the
> bridge without a physical interface attached to it.
>
> And about setting up the extra bridge breth1: does that stick if i reboot
> the server?
> And if not how can i make ik more permanent?
> - To make it permanent you'll need to edit the network scripts.  I'm
> afraid I don't have specific RHEL/CentOS knowledge.  But
> http://acidborg.wordpress.com/2010/01/20/how-to-configure-a-network-bridge-in-red-hat-fedora/looks like it should give you enough information though.
>
> Hi James,
>
> I do not have a separate device in my IP range that functions as a router.
> Can you explain how i assign an IP address from the 6 IP subnet to the
> bridge?
> I assume you mean the xenbr0 bridge?
>
> You would need to assign an IP from the 6 to the new bridge that you
> created.  xenbr0 should have the current IP of your dom0 assigned.  From
> the command line it would be something like:
> # ifconfig breth1 192.168.1.1 netmask 255.255.255.248
>
> Let's say the domU subnet is 10.10.10.0/29, usable IPs .1 to .6.  The
> dom0 eth0 interface is wired to a network where 192.168.10.1 is the router.
>
>
>                        dom0
>
>            eth0                            eth1                Physical
> interfaces
>              |                               |
>           xenbr0                          breth1               Bridges
> (created by Xen or OS script)
>        192.168.1.10/24                 10.10.10.1/29           IP
> assigned to the bridge
>                                              |
>                                            domUs
>                                10.10.10.2-6/29, g/w 10.10.10.1 IPs
> available to domU
>
>
> The routing table in the dom0 has a default gateway entry that looks like
> 0.0.0.0         192.168.1.1     0.0.0.0         UG        0 0          0
> xenbr0
>
>
> The g/w for the domU indicates traffic should be sent to the dom0,
> 10.10.10.1.  With ip_forward = 1 the dom0 can now use its routing table to
> forward traffic via the eth0 interface to 192.168.10.1 which will know
> about the rest of the network.  This router must know that return traffic
> for 10.10.10.0/29 is to be forwarded to the eth0 IP of the dom0,
> 192.168.1.10 in this example.
>
>
> This message and the information contained herein is proprietary and
> confidential and subject to the Amdocs policy statement,
> you may review at http://www.amdocs.com/email_disclaimer.asp
>
>

Ok, i think i am beginning to understand..:-)

*Default gateway*
My default gateway on dom0 looks now like this:
default         192.168.1.1     0.0.0.0         UG        0 0          0
eth0

So the interface is eth0 and not xenbr0.
I don't know if this makes a difference and if i need to change it and how
to do that.

Thanks again!

-- 

Met vriendelijke groet / with kind regards,

Johan Barelds

--90e6ba6e8e8a63f7e404b31b01ac
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

<br><br><div class=3D"gmail_quote">2011/12/2 James Dingwall <span dir=3D"lt=
r">&lt;<a href=3D"mailto:james.dingwall@amdocs.com" target=3D"_blank">james=
.dingwall@amdocs.com</a>&gt;</span><br><blockquote class=3D"gmail_quote" st=
yle=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

<br>
From: <a href=3D"mailto:xen-users-bounces@lists.xensource.com" target=3D"_b=
lank">xen-users-bounces@lists.xensource.com</a> [mailto:<a href=3D"mailto:x=
en-users-bounces@lists.xensource.com" target=3D"_blank">xen-users-bounces@l=
ists.xensource.com</a>] On Behalf Of Johan Barelds<br>


Sent: 2 December 2011 10:30<br>
To: <a href=3D"mailto:xen-users@lists.xensource.com" target=3D"_blank">xen-=
users@lists.xensource.com</a><br>
Subject: Re: [Xen-users] Xen networking troubles<br>
<div><br>
2011/12/2 James Dingwall &lt;<a href=3D"mailto:james.dingwall@amdocs.com" t=
arget=3D"_blank">james.dingwall@amdocs.com</a>&gt;<br>
Thanks for your quick response James!<br>
I tried it and it&#39;s not working yet.<br>
On the Windows network card i got the yellow triangle saying: &quot;Unident=
ified Network&quot;.<br>
What should i use for Default Gateway on my HVM btw?<br>
I used now the one IP from my public range that i configured on my eth1<br>
- Do you have a separate device on the 6 IP subnet that is already a router=
 or will your dom0 perform this function? =A0If it will be your dom0 via th=
e eth0 interface then you will need to assign an IP address from the 6 IP s=
ubnet to the bridge and enable IP forwarding by adding the line<br>


net.ipv4.ip_forward =3D 1<br>
to /etc/sysctl.conf and executing sysctl -p<br>
You&#39;ll also need to make sure that the rest of your network knows to ro=
ute the domU subnet via the dom0.<br>
If your eth1 isn&#39;t actually connected to the network then you can use t=
he bridge without a physical interface attached to it.<br>
<br>
And about setting up the extra bridge breth1: does that stick if i reboot t=
he server?<br>
And if not how can i make ik more permanent?<br>
- To make it permanent you&#39;ll need to edit the network scripts. =A0I&#3=
9;m afraid I don&#39;t have specific RHEL/CentOS knowledge. =A0But <a href=
=3D"http://acidborg.wordpress.com/2010/01/20/how-to-configure-a-network-bri=
dge-in-red-hat-fedora/" target=3D"_blank">http://acidborg.wordpress.com/201=
0/01/20/how-to-configure-a-network-bridge-in-red-hat-fedora/</a> looks like=
 it should give you enough information though.<br>


<br>
Hi James,<br>
<br>
I do not have a separate device in my IP range that functions as a router.<=
br>
Can you explain how i assign=A0an IP address from the 6 IP subnet to the br=
idge?<br>
I assume you mean the xenbr0 bridge?<br>
<br>
</div>You would need to assign an IP from the 6 to the new bridge that you =
created. =A0xenbr0 should have the current IP of your dom0 assigned. =A0Fro=
m the command line it would be something like:<br>
# ifconfig breth1 192.168.1.1 netmask 255.255.255.248<br>
<br>
Let&#39;s say the domU subnet is <a href=3D"http://10.10.10.0/29" target=3D=
"_blank">10.10.10.0/29</a>, usable IPs .1 to .6. =A0The dom0 eth0 interface=
 is wired to a network where 192.168.10.1 is the router.<br>
<br>
<br>
 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0dom0<br>
<br>
 =A0 =A0 =A0 =A0 =A0 =A0eth0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0eth1 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0Physical interfaces<br>
 =A0 =A0 =A0 =A0 =A0 =A0 =A0| =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 |<br>
 =A0 =A0 =A0 =A0 =A0 xenbr0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=
 =A0breth1 =A0 =A0 =A0 =A0 =A0 =A0 =A0 Bridges (created by Xen or OS script=
)<br>
 =A0 =A0 =A0 =A0<a href=3D"http://192.168.1.10/24" target=3D"_blank">192.16=
8.1.10/24</a> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 <a href=3D"http://10.10.10.1/=
29" target=3D"_blank">10.10.10.1/29</a> =A0 =A0 =A0 =A0 =A0 IP assigned to =
the bridge<br>
 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0|<br>
 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0domUs<br>
 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A010.10.10.2-=
6/29, g/w 10.10.10.1 IPs available to domU<br>
<br>
<br>
The routing table in the dom0 has a default gateway entry that looks like<b=
r>
0.0.0.0 =A0 =A0 =A0 =A0 192.168.1.1 =A0 =A0 0.0.0.0 =A0 =A0 =A0 =A0 UG =A0 =
=A0 =A0 =A00 0 =A0 =A0 =A0 =A0 =A00 xenbr0<br>
<br>
<br>
The g/w for the domU indicates traffic should be sent to the dom0, 10.10.10=
.1. =A0With ip_forward =3D 1 the dom0 can now use its routing table to forw=
ard traffic via the eth0 interface to 192.168.10.1 which will know about th=
e rest of the network. =A0This router must know that return traffic for <a =
href=3D"http://10.10.10.0/29" target=3D"_blank">10.10.10.0/29</a> is to be =
forwarded to the eth0 IP of the dom0, 192.168.1.10 in this example.<br>


<div><div><br>
<br>
This message and the information contained herein is proprietary and confid=
ential and subject to the Amdocs policy statement,<br>
you may review at <a href=3D"http://www.amdocs.com/email_disclaimer.asp" ta=
rget=3D"_blank">http://www.amdocs.com/email_disclaimer.asp</a><br>
<br>
</div></div></blockquote></div><br><br>Ok, i think i am beginning to unders=
tand..:-)<div><br></div><div><b>Default gateway</b><br clear=3D"all"><div>M=
y default gateway on dom0 looks now like this:</div><div>default =A0 =A0 =
=A0 =A0 192.168.1.1 =A0 =A0 0.0.0.0 =A0 =A0 =A0 =A0 UG =A0 =A0 =A0 =A00 0 =
=A0 =A0 =A0 =A0 =A00 eth0</div>

<div><br></div><div>So the interface is eth0 and not xenbr0.=A0</div><div>I=
 don&#39;t know if this makes a difference and if i need to change it and h=
ow to do that.</div><div><br></div><div>Thanks again!</div><div><br></div>
-- <br><p><span>Met vriendelijke groet
/ with kind regards,</span>=A0</p>

<p><span>Johan Barelds</span></p><br>
</div>

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Date: Fri, 2 Dec 2011 13:21:15 +0100
Message-ID: <CAG-xfgdkP4r52jF=0XD0OGmnsSSByOfWQKQ9AbvNOUgTm0AqPA@mail.gmail.com>
From: Johan Barelds <j.barelds@good-it.com>
To: "xen-users@lists.xensource.com" <xen-users@lists.xensource.com>
Subject: Re: [Xen-users] Xen networking troubles
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2011/12/2 James Dingwall <james.dingwall@amdocs.com>

>
> From: xen-users-bounces@lists.xensource.com [mailto:
> xen-users-bounces@lists.xensource.com] On Behalf Of Johan Barelds
> Sent: 2 December 2011 10:30
> To: xen-users@lists.xensource.com
> Subject: Re: [Xen-users] Xen networking troubles
>
> 2011/12/2 James Dingwall <james.dingwall@amdocs.com>
> Thanks for your quick response James!
> I tried it and it's not working yet.
> On the Windows network card i got the yellow triangle saying:
> "Unidentified Network".
> What should i use for Default Gateway on my HVM btw?
> I used now the one IP from my public range that i configured on my eth1
> - Do you have a separate device on the 6 IP subnet that is already a
> router or will your dom0 perform this function?  If it will be your dom0
> via the eth0 interface then you will need to assign an IP address from the
> 6 IP subnet to the bridge and enable IP forwarding by adding the line
> net.ipv4.ip_forward = 1
> to /etc/sysctl.conf and executing sysctl -p
> You'll also need to make sure that the rest of your network knows to route
> the domU subnet via the dom0.
> If your eth1 isn't actually connected to the network then you can use the
> bridge without a physical interface attached to it.
>
> And about setting up the extra bridge breth1: does that stick if i reboot
> the server?
> And if not how can i make ik more permanent?
> - To make it permanent you'll need to edit the network scripts.  I'm
> afraid I don't have specific RHEL/CentOS knowledge.  But
> http://acidborg.wordpress.com/2010/01/20/how-to-configure-a-network-bridge-in-red-hat-fedora/looks like it should give you enough information though.
>
> Hi James,
>
> I do not have a separate device in my IP range that functions as a router.
> Can you explain how i assign an IP address from the 6 IP subnet to the
> bridge?
> I assume you mean the xenbr0 bridge?
>
> You would need to assign an IP from the 6 to the new bridge that you
> created.  xenbr0 should have the current IP of your dom0 assigned.  From
> the command line it would be something like:
> # ifconfig breth1 192.168.1.1 netmask 255.255.255.248
>
> Let's say the domU subnet is 10.10.10.0/29, usable IPs .1 to .6.  The
> dom0 eth0 interface is wired to a network where 192.168.10.1 is the router.
>
>
>                        dom0
>
>            eth0                            eth1                Physical
> interfaces
>              |                               |
>           xenbr0                          breth1               Bridges
> (created by Xen or OS script)
>        192.168.1.10/24                 10.10.10.1/29           IP
> assigned to the bridge
>                                              |
>                                            domUs
>                                10.10.10.2-6/29, g/w 10.10.10.1 IPs
> available to domU
>
>
> The routing table in the dom0 has a default gateway entry that looks like
> 0.0.0.0         192.168.1.1     0.0.0.0         UG        0 0          0
> xenbr0
>
>
> The g/w for the domU indicates traffic should be sent to the dom0,
> 10.10.10.1.  With ip_forward = 1 the dom0 can now use its routing table to
> forward traffic via the eth0 interface to 192.168.10.1 which will know
> about the rest of the network.  This router must know that return traffic
> for 10.10.10.0/29 is to be forwarded to the eth0 IP of the dom0,
> 192.168.1.10 in this example.
>
>
> This message and the information contained herein is proprietary and
> confidential and subject to the Amdocs policy statement,
> you may review at http://www.amdocs.com/email_disclaimer.asp
>
>

Ok, i think i am beginning to understand..:-)

*Default gateway*
My default gateway on dom0 looks now like this:
default         192.168.1.1     0.0.0.0         UG        0 0          0
eth0

So the interface is eth0 and not xenbr0.
I don't know if this makes a difference and if i need to change it and how
to do that.

Thanks again!

-- 

Met vriendelijke groet / with kind regards,

Johan Barelds

--90e6ba6e8e8a63f7e404b31b01ac
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<br><br><div class=3D"gmail_quote">2011/12/2 James Dingwall <span dir=3D"lt=
r">&lt;<a href=3D"mailto:james.dingwall@amdocs.com" target=3D"_blank">james=
.dingwall@amdocs.com</a>&gt;</span><br><blockquote class=3D"gmail_quote" st=
yle=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

<br>
From: <a href=3D"mailto:xen-users-bounces@lists.xensource.com" target=3D"_b=
lank">xen-users-bounces@lists.xensource.com</a> [mailto:<a href=3D"mailto:x=
en-users-bounces@lists.xensource.com" target=3D"_blank">xen-users-bounces@l=
ists.xensource.com</a>] On Behalf Of Johan Barelds<br>


Sent: 2 December 2011 10:30<br>
To: <a href=3D"mailto:xen-users@lists.xensource.com" target=3D"_blank">xen-=
users@lists.xensource.com</a><br>
Subject: Re: [Xen-users] Xen networking troubles<br>
<div><br>
2011/12/2 James Dingwall &lt;<a href=3D"mailto:james.dingwall@amdocs.com" t=
arget=3D"_blank">james.dingwall@amdocs.com</a>&gt;<br>
Thanks for your quick response James!<br>
I tried it and it&#39;s not working yet.<br>
On the Windows network card i got the yellow triangle saying: &quot;Unident=
ified Network&quot;.<br>
What should i use for Default Gateway on my HVM btw?<br>
I used now the one IP from my public range that i configured on my eth1<br>
- Do you have a separate device on the 6 IP subnet that is already a router=
 or will your dom0 perform this function? =A0If it will be your dom0 via th=
e eth0 interface then you will need to assign an IP address from the 6 IP s=
ubnet to the bridge and enable IP forwarding by adding the line<br>


net.ipv4.ip_forward =3D 1<br>
to /etc/sysctl.conf and executing sysctl -p<br>
You&#39;ll also need to make sure that the rest of your network knows to ro=
ute the domU subnet via the dom0.<br>
If your eth1 isn&#39;t actually connected to the network then you can use t=
he bridge without a physical interface attached to it.<br>
<br>
And about setting up the extra bridge breth1: does that stick if i reboot t=
he server?<br>
And if not how can i make ik more permanent?<br>
- To make it permanent you&#39;ll need to edit the network scripts. =A0I&#3=
9;m afraid I don&#39;t have specific RHEL/CentOS knowledge. =A0But <a href=
=3D"http://acidborg.wordpress.com/2010/01/20/how-to-configure-a-network-bri=
dge-in-red-hat-fedora/" target=3D"_blank">http://acidborg.wordpress.com/201=
0/01/20/how-to-configure-a-network-bridge-in-red-hat-fedora/</a> looks like=
 it should give you enough information though.<br>


<br>
Hi James,<br>
<br>
I do not have a separate device in my IP range that functions as a router.<=
br>
Can you explain how i assign=A0an IP address from the 6 IP subnet to the br=
idge?<br>
I assume you mean the xenbr0 bridge?<br>
<br>
</div>You would need to assign an IP from the 6 to the new bridge that you =
created. =A0xenbr0 should have the current IP of your dom0 assigned. =A0Fro=
m the command line it would be something like:<br>
# ifconfig breth1 192.168.1.1 netmask 255.255.255.248<br>
<br>
Let&#39;s say the domU subnet is <a href=3D"http://10.10.10.0/29" target=3D=
"_blank">10.10.10.0/29</a>, usable IPs .1 to .6. =A0The dom0 eth0 interface=
 is wired to a network where 192.168.10.1 is the router.<br>
<br>
<br>
 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0dom0<br>
<br>
 =A0 =A0 =A0 =A0 =A0 =A0eth0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0eth1 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0Physical interfaces<br>
 =A0 =A0 =A0 =A0 =A0 =A0 =A0| =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 |<br>
 =A0 =A0 =A0 =A0 =A0 xenbr0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=
 =A0breth1 =A0 =A0 =A0 =A0 =A0 =A0 =A0 Bridges (created by Xen or OS script=
)<br>
 =A0 =A0 =A0 =A0<a href=3D"http://192.168.1.10/24" target=3D"_blank">192.16=
8.1.10/24</a> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 <a href=3D"http://10.10.10.1/=
29" target=3D"_blank">10.10.10.1/29</a> =A0 =A0 =A0 =A0 =A0 IP assigned to =
the bridge<br>
 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0|<br>
 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0domUs<br>
 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A010.10.10.2-=
6/29, g/w 10.10.10.1 IPs available to domU<br>
<br>
<br>
The routing table in the dom0 has a default gateway entry that looks like<b=
r>
0.0.0.0 =A0 =A0 =A0 =A0 192.168.1.1 =A0 =A0 0.0.0.0 =A0 =A0 =A0 =A0 UG =A0 =
=A0 =A0 =A00 0 =A0 =A0 =A0 =A0 =A00 xenbr0<br>
<br>
<br>
The g/w for the domU indicates traffic should be sent to the dom0, 10.10.10=
.1. =A0With ip_forward =3D 1 the dom0 can now use its routing table to forw=
ard traffic via the eth0 interface to 192.168.10.1 which will know about th=
e rest of the network. =A0This router must know that return traffic for <a =
href=3D"http://10.10.10.0/29" target=3D"_blank">10.10.10.0/29</a> is to be =
forwarded to the eth0 IP of the dom0, 192.168.1.10 in this example.<br>


<div><div><br>
<br>
This message and the information contained herein is proprietary and confid=
ential and subject to the Amdocs policy statement,<br>
you may review at <a href=3D"http://www.amdocs.com/email_disclaimer.asp" ta=
rget=3D"_blank">http://www.amdocs.com/email_disclaimer.asp</a><br>
<br>
</div></div></blockquote></div><br><br>Ok, i think i am beginning to unders=
tand..:-)<div><br></div><div><b>Default gateway</b><br clear=3D"all"><div>M=
y default gateway on dom0 looks now like this:</div><div>default =A0 =A0 =
=A0 =A0 192.168.1.1 =A0 =A0 0.0.0.0 =A0 =A0 =A0 =A0 UG =A0 =A0 =A0 =A00 0 =
=A0 =A0 =A0 =A0 =A00 eth0</div>

<div><br></div><div>So the interface is eth0 and not xenbr0.=A0</div><div>I=
 don&#39;t know if this makes a difference and if i need to change it and h=
ow to do that.</div><div><br></div><div>Thanks again!</div><div><br></div>
-- <br><p><span>Met vriendelijke groet
/ with kind regards,</span>=A0</p>

<p><span>Johan Barelds</span></p><br>
</div>

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From: Philipp Hahn <hahn@univention.de>
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Subject: Re: [Xen-users] RFH: Corruption with blktap2 on Debian 2.6.32-39 +
	xen-4.1.2
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Hello,

On Tuesday 29 November 2011 15:30:11 Philipp Hahn wrote:
> I have observed several strange blktap2(?) corruption problems using
> Xen-4.1.2 on several 2.6.32-39 based amd64 Linux Systems. I run an
> installation of a domain, which use 3 blktap2 devices: 2=C3=97 20 GiB har=
d disk
> image files and 1=C3=97 1.1 GiB DVD iso file. During installation process=
es
> start to SEGV, which aborts the installation.
=2E..
> * In one try the domU switched to read-only after file-system corruption.
> * I tested three HW systems: On 2 of them the problem always manifests, on
> a 3rd the corruption wasn't observed yet. All three have Intel i7 CPUs and
> 8 GiB RAM.

It seems to depend on some CPU feature flags:
lynx1: fpu de tsc msr pae mce cx8 apic sep mtrr mca cmov pat clflush acpi m=
mx=20
fxsr sse sse2 ss ht syscall nx lm constant_tsc rep_good nonstop_tsc=20
aperfmperf pni pclmulqdq est ssse3 cx16 sse4_1 sse4_2 x2apic popcnt aes=20
hypervisor lahf_lm ida arat

xen14: fpu de tsc msr pae mce cx8 apic sep mtrr mca cmov pat clflush acpi m=
mx=20
fxsr sse sse2 ss ht syscall nx lm constant_tsc rep_good nonstop_tsc=20
aperfmperf pni           est ssse3 cx16 sse4_1 sse4_2        popcnt    =20
hypervisor lahf_lm ida

On 'lynx1' I can reproduce the crash, but not on 'xen14'.
With linux-3.1.x it's also fixed, but not with 2.6.32.
Any ideas to narrow this further down?

Sincerely
Philipp Hahn
=2D-=20
Philipp Hahn           Open Source Software Engineer      hahn@univention.de
Univention GmbH        Linux for Your Business        fon: +49 421 22 232- 0
Mary-Somerville-Str.1  D-28359 Bremen                 fax: +49 421 22 232-99
                                                   http://www.univention.de/

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Hello,

On Tuesday 29 November 2011 15:30:11 Philipp Hahn wrote:
> I have observed several strange blktap2(?) corruption problems using
> Xen-4.1.2 on several 2.6.32-39 based amd64 Linux Systems. I run an
> installation of a domain, which use 3 blktap2 devices: 2=C3=97 20 GiB har=
d disk
> image files and 1=C3=97 1.1 GiB DVD iso file. During installation process=
es
> start to SEGV, which aborts the installation.
=2E..
> * In one try the domU switched to read-only after file-system corruption.
> * I tested three HW systems: On 2 of them the problem always manifests, on
> a 3rd the corruption wasn't observed yet. All three have Intel i7 CPUs and
> 8 GiB RAM.

It seems to depend on some CPU feature flags:
lynx1: fpu de tsc msr pae mce cx8 apic sep mtrr mca cmov pat clflush acpi m=
mx=20
fxsr sse sse2 ss ht syscall nx lm constant_tsc rep_good nonstop_tsc=20
aperfmperf pni pclmulqdq est ssse3 cx16 sse4_1 sse4_2 x2apic popcnt aes=20
hypervisor lahf_lm ida arat

xen14: fpu de tsc msr pae mce cx8 apic sep mtrr mca cmov pat clflush acpi m=
mx=20
fxsr sse sse2 ss ht syscall nx lm constant_tsc rep_good nonstop_tsc=20
aperfmperf pni           est ssse3 cx16 sse4_1 sse4_2        popcnt    =20
hypervisor lahf_lm ida

On 'lynx1' I can reproduce the crash, but not on 'xen14'.
With linux-3.1.x it's also fixed, but not with 2.6.32.
Any ideas to narrow this further down?

Sincerely
Philipp Hahn
=2D-=20
Philipp Hahn           Open Source Software Engineer      hahn@univention.de
Univention GmbH        Linux for Your Business        fon: +49 421 22 232- 0
Mary-Somerville-Str.1  D-28359 Bremen                 fax: +49 421 22 232-99
                                                   http://www.univention.de/

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From: Johan Barelds <j.barelds@good-it.com>
To: "xen-users@lists.xensource.com" <xen-users@lists.xensource.com>
Subject: Re: [Xen-users] Xen networking troubles
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2011/12/2 James Dingwall <james.dingwall@amdocs.com>

>
>
> The g/w for the domU indicates traffic should be sent to the dom0,
> 10.10.10.1.  With ip_forward = 1 the dom0 can now use its routing table to
> forward traffic via the eth0 interface to 192.168.10.1 which will know
> about the rest of the network.  This router must know that return traffic
> for 10.10.10.0/29 is to be forwarded to the eth0 IP of the dom0,
> 192.168.1.10 in this example.
>
>
> This message and the information contained herein is proprietary and
> confidential and subject to the Amdocs policy statement,
> you may review at http://www.amdocs.com/email_disclaimer.asp
>
>
Halleluja! Got it working..:-)
The trick was to assign a IP adress to the new bridge.
After that it worked flawless..:-)
Now i am going to prepare a script to configure all the steps at boot.
Thanks again for your help!

Gr. Johan

-- 

Met vriendelijke groet / with kind regards,

Johan Barelds

*Good IT!
*M: +31 (0)6 54253750
E: j.barelds@good-it.com
W: http://www.good-it.com

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2011/12/2 James Dingwall <span dir=3D"ltr">&lt;<a href=3D"mailto:james.ding=
wall@amdocs.com">james.dingwall@amdocs.com</a>&gt;</span><br><div class=3D"=
gmail_quote"><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;b=
order-left:1px #ccc solid;padding-left:1ex;">
<br><br>
The g/w for the domU indicates traffic should be sent to the dom0, 10.10.10=
.1. =A0With ip_forward =3D 1 the dom0 can now use its routing table to forw=
ard traffic via the eth0 interface to 192.168.10.1 which will know about th=
e rest of the network. =A0This router must know that return traffic for <a =
href=3D"http://10.10.10.0/29" target=3D"_blank">10.10.10.0/29</a> is to be =
forwarded to the eth0 IP of the dom0, 192.168.1.10 in this example.<br>

<div class=3D"HOEnZb"><div class=3D"h5"><br>
<br>
This message and the information contained herein is proprietary and confid=
ential and subject to the Amdocs policy statement,<br>
you may review at <a href=3D"http://www.amdocs.com/email_disclaimer.asp" ta=
rget=3D"_blank">http://www.amdocs.com/email_disclaimer.asp</a><br>
<br>
</div></div></blockquote></div><br>Halleluja! Got it working..:-)<div>The t=
rick was to assign a IP adress to the new bridge.</div><div>After that it w=
orked flawless..:-)</div><div>Now i am going to prepare a script to configu=
re all the steps at boot.</div>
<div>Thanks again for your help!</div><div><br></div><div>Gr. Johan<br clea=
r=3D"all"><div><br></div>-- <br><p><span>Met vriendelijke groet
/ with kind regards,</span>=A0</p>

<p><span>Johan Barelds<br></span><span></span><span></span><br><b><span lan=
g=3D"EN-US">Good IT!<br></span></b>M: +31 (0)6 54253750<br><span lang=3D"EN=
-US">E: </span><span><span lang=3D"EN-US"><a href=3D"mailto:j.barelds@good-=
it.com" target=3D"_blank">j.barelds@good-it.com</a><br>
</span></span><span lang=3D"EN-US">W: </span><span><a href=3D"http://www.go=
od-it.com/" target=3D"_blank"><span lang=3D"EN-US">http://www.good-it.com</=
span></a></span></p>

<p><span lang=3D"EN-US">=A0</span></p><br>
</div>

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From: Johan Barelds <j.barelds@good-it.com>
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2011/12/2 James Dingwall <james.dingwall@amdocs.com>

>
>
> The g/w for the domU indicates traffic should be sent to the dom0,
> 10.10.10.1.  With ip_forward = 1 the dom0 can now use its routing table to
> forward traffic via the eth0 interface to 192.168.10.1 which will know
> about the rest of the network.  This router must know that return traffic
> for 10.10.10.0/29 is to be forwarded to the eth0 IP of the dom0,
> 192.168.1.10 in this example.
>
>
> This message and the information contained herein is proprietary and
> confidential and subject to the Amdocs policy statement,
> you may review at http://www.amdocs.com/email_disclaimer.asp
>
>
Halleluja! Got it working..:-)
The trick was to assign a IP adress to the new bridge.
After that it worked flawless..:-)
Now i am going to prepare a script to configure all the steps at boot.
Thanks again for your help!

Gr. Johan

-- 

Met vriendelijke groet / with kind regards,

Johan Barelds

*Good IT!
*M: +31 (0)6 54253750
E: j.barelds@good-it.com
W: http://www.good-it.com

--e89a8f2359a91c4bc904b31b724b
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2011/12/2 James Dingwall <span dir=3D"ltr">&lt;<a href=3D"mailto:james.ding=
wall@amdocs.com">james.dingwall@amdocs.com</a>&gt;</span><br><div class=3D"=
gmail_quote"><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;b=
order-left:1px #ccc solid;padding-left:1ex;">
<br><br>
The g/w for the domU indicates traffic should be sent to the dom0, 10.10.10=
.1. =A0With ip_forward =3D 1 the dom0 can now use its routing table to forw=
ard traffic via the eth0 interface to 192.168.10.1 which will know about th=
e rest of the network. =A0This router must know that return traffic for <a =
href=3D"http://10.10.10.0/29" target=3D"_blank">10.10.10.0/29</a> is to be =
forwarded to the eth0 IP of the dom0, 192.168.1.10 in this example.<br>

<div class=3D"HOEnZb"><div class=3D"h5"><br>
<br>
This message and the information contained herein is proprietary and confid=
ential and subject to the Amdocs policy statement,<br>
you may review at <a href=3D"http://www.amdocs.com/email_disclaimer.asp" ta=
rget=3D"_blank">http://www.amdocs.com/email_disclaimer.asp</a><br>
<br>
</div></div></blockquote></div><br>Halleluja! Got it working..:-)<div>The t=
rick was to assign a IP adress to the new bridge.</div><div>After that it w=
orked flawless..:-)</div><div>Now i am going to prepare a script to configu=
re all the steps at boot.</div>
<div>Thanks again for your help!</div><div><br></div><div>Gr. Johan<br clea=
r=3D"all"><div><br></div>-- <br><p><span>Met vriendelijke groet
/ with kind regards,</span>=A0</p>

<p><span>Johan Barelds<br></span><span></span><span></span><br><b><span lan=
g=3D"EN-US">Good IT!<br></span></b>M: +31 (0)6 54253750<br><span lang=3D"EN=
-US">E: </span><span><span lang=3D"EN-US"><a href=3D"mailto:j.barelds@good-=
it.com" target=3D"_blank">j.barelds@good-it.com</a><br>
</span></span><span lang=3D"EN-US">W: </span><span><a href=3D"http://www.go=
od-it.com/" target=3D"_blank"><span lang=3D"EN-US">http://www.good-it.com</=
span></a></span></p>

<p><span lang=3D"EN-US">=A0</span></p><br>
</div>

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From: Artur Baruchi <mail.baruchi@gmail.com>
To: "Fajar A. Nugraha" <list@fajar.net>
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Cc: Konrad Rzeszutek Wilk <konrad@darnok.org>, Xen-devel@lists.xensource.com,
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Subject: Re: [Xen-users] [Xen-devel] VM Hanging after reboot
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Hi.

The error is within the guest (HVM virtual machine).

Thanks.

Att.
Artur Baruchi



On Thu, Dec 1, 2011 at 1:28 AM, Fajar A. Nugraha <list@fajar.net> wrote:
> On Thu, Dec 1, 2011 at 10:16 AM, Konrad Rzeszutek Wilk
> <konrad@darnok.org> wrote:
>> On Wed, Nov 30, 2011 at 09:09:58PM -0200, Artur Baruchi wrote:
>>> Hi Konrad.
>>>
>>> That was my first though (disk going bad). But I create another VM in
>>> a different host and faced the same error. I tried to create another
>>
>> So is the error from within the guest or from the dom0?
>>
>
> As Konrad asked, is the error in dom0 or domU?
>
> If dom0, then most likely it's disk problem. One way to diagnose it is
> by reading from the disk (dd_rescue is nice) and see if at least it's
> able to read the disk completely.
>
> If domU, then it's probably a bug in dom0 kernel (the blkback driver,
> perhaps). In which case novell guys might be able to help you more. I
> recall something like this when using older kernel for dom0 (forgot
> the exact version, sorry), but the error went away after I used
> vanilla 3.1.0 for dom0 kernel.
>
> --
> Fajar

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From: Artur Baruchi <mail.baruchi@gmail.com>
To: "Fajar A. Nugraha" <list@fajar.net>
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Subject: Re: [Xen-users] [Xen-devel] VM Hanging after reboot
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Hi.

The error is within the guest (HVM virtual machine).

Thanks.

Att.
Artur Baruchi



On Thu, Dec 1, 2011 at 1:28 AM, Fajar A. Nugraha <list@fajar.net> wrote:
> On Thu, Dec 1, 2011 at 10:16 AM, Konrad Rzeszutek Wilk
> <konrad@darnok.org> wrote:
>> On Wed, Nov 30, 2011 at 09:09:58PM -0200, Artur Baruchi wrote:
>>> Hi Konrad.
>>>
>>> That was my first though (disk going bad). But I create another VM in
>>> a different host and faced the same error. I tried to create another
>>
>> So is the error from within the guest or from the dom0?
>>
>
> As Konrad asked, is the error in dom0 or domU?
>
> If dom0, then most likely it's disk problem. One way to diagnose it is
> by reading from the disk (dd_rescue is nice) and see if at least it's
> able to read the disk completely.
>
> If domU, then it's probably a bug in dom0 kernel (the blkback driver,
> perhaps). In which case novell guys might be able to help you more. I
> recall something like this when using older kernel for dom0 (forgot
> the exact version, sorry), but the error went away after I used
> vanilla 3.1.0 for dom0 kernel.
>
> --
> Fajar

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From: Konrad Rzeszutek Wilk <konrad@darnok.org>
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On Thu, Dec 01, 2011 at 08:41:20AM -0200, Artur Baruchi wrote:
> Hi.
> 
> The error is within the guest (HVM virtual machine).
> 

OK, then ata messages.. point to it being the HVM driver - so no
usage of the PV drivers. Unless there is a switch-over happening where
the guest tells QEMU: "Hey, I am done with the HVM driver, please
disconnect it" and it switches the PV driver on.

Just to remove that possiblity, did you boot the guest with
'xen_emul_unplug=never' ?

Hmm, and the comment about "went away after I used vanilla 3.1.0"
is rather strange. Did you also switch the hypervisor and the tools?
Or did youkeep on using the ones provided by the distro?

Either way, happy to see that the vanilla 3.1 kernel fixes the issue.
> Thanks.
> 
> Att.
> Artur Baruchi
> 
> 
> 
> On Thu, Dec 1, 2011 at 1:28 AM, Fajar A. Nugraha <list@fajar.net> wrote:
> > On Thu, Dec 1, 2011 at 10:16 AM, Konrad Rzeszutek Wilk
> > <konrad@darnok.org> wrote:
> >> On Wed, Nov 30, 2011 at 09:09:58PM -0200, Artur Baruchi wrote:
> >>> Hi Konrad.
> >>>
> >>> That was my first though (disk going bad). But I create another VM in
> >>> a different host and faced the same error. I tried to create another
> >>
> >> So is the error from within the guest or from the dom0?
> >>
> >
> > As Konrad asked, is the error in dom0 or domU?
> >
> > If dom0, then most likely it's disk problem. One way to diagnose it is
> > by reading from the disk (dd_rescue is nice) and see if at least it's
> > able to read the disk completely.
> >
> > If domU, then it's probably a bug in dom0 kernel (the blkback driver,
> > perhaps). In which case novell guys might be able to help you more. I
> > recall something like this when using older kernel for dom0 (forgot
> > the exact version, sorry), but the error went away after I used
> > vanilla 3.1.0 for dom0 kernel.
> >
> > --
> > Fajar
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel

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On Thu, Dec 01, 2011 at 08:41:20AM -0200, Artur Baruchi wrote:
> Hi.
> 
> The error is within the guest (HVM virtual machine).
> 

OK, then ata messages.. point to it being the HVM driver - so no
usage of the PV drivers. Unless there is a switch-over happening where
the guest tells QEMU: "Hey, I am done with the HVM driver, please
disconnect it" and it switches the PV driver on.

Just to remove that possiblity, did you boot the guest with
'xen_emul_unplug=never' ?

Hmm, and the comment about "went away after I used vanilla 3.1.0"
is rather strange. Did you also switch the hypervisor and the tools?
Or did youkeep on using the ones provided by the distro?

Either way, happy to see that the vanilla 3.1 kernel fixes the issue.
> Thanks.
> 
> Att.
> Artur Baruchi
> 
> 
> 
> On Thu, Dec 1, 2011 at 1:28 AM, Fajar A. Nugraha <list@fajar.net> wrote:
> > On Thu, Dec 1, 2011 at 10:16 AM, Konrad Rzeszutek Wilk
> > <konrad@darnok.org> wrote:
> >> On Wed, Nov 30, 2011 at 09:09:58PM -0200, Artur Baruchi wrote:
> >>> Hi Konrad.
> >>>
> >>> That was my first though (disk going bad). But I create another VM in
> >>> a different host and faced the same error. I tried to create another
> >>
> >> So is the error from within the guest or from the dom0?
> >>
> >
> > As Konrad asked, is the error in dom0 or domU?
> >
> > If dom0, then most likely it's disk problem. One way to diagnose it is
> > by reading from the disk (dd_rescue is nice) and see if at least it's
> > able to read the disk completely.
> >
> > If domU, then it's probably a bug in dom0 kernel (the blkback driver,
> > perhaps). In which case novell guys might be able to help you more. I
> > recall something like this when using older kernel for dom0 (forgot
> > the exact version, sorry), but the error went away after I used
> > vanilla 3.1.0 for dom0 kernel.
> >
> > --
> > Fajar
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel

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Date: Fri, 2 Dec 2011 15:45:20 +0000
To: xen-users@lists.xensource.com
From: Simon Hobson <linux@thehobsons.co.uk>
Subject: Re: [Xen-users] Xen networking troubles
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Johan Barelds wrote:

>The trick was to assign a IP adress to the new bridge.
>After that it worked flawless..:-)

It working is possibly a side effect of adding an IP address. When 
your OS config scripts configure an IP address on an interface, they 
will set the interface state to up. It may well be that all you need 
to do is manually set the interface to up - "ifconfig ethx up" I 
think.

This stumped me for a while in my early days of experimenting with Xen.

If you don't actually need an address/working Dom0 interface on that 
bridge, then it's more secure to not configure one.

-- 
Simon Hobson

Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
author Gladys Hobson. Novels - poetry - short stories - ideal as
Christmas stocking fillers. Some available as e-books.

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Date: Fri, 2 Dec 2011 15:45:20 +0000
To: xen-users@lists.xensource.com
From: Simon Hobson <linux@thehobsons.co.uk>
Subject: Re: [Xen-users] Xen networking troubles
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Johan Barelds wrote:

>The trick was to assign a IP adress to the new bridge.
>After that it worked flawless..:-)

It working is possibly a side effect of adding an IP address. When 
your OS config scripts configure an IP address on an interface, they 
will set the interface state to up. It may well be that all you need 
to do is manually set the interface to up - "ifconfig ethx up" I 
think.

This stumped me for a while in my early days of experimenting with Xen.

If you don't actually need an address/working Dom0 interface on that 
bridge, then it's more secure to not configure one.

-- 
Simon Hobson

Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
author Gladys Hobson. Novels - poetry - short stories - ideal as
Christmas stocking fillers. Some available as e-books.

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Date: Fri, 2 Dec 2011 10:21:49 +0000
To: xen-users@lists.xensource.com
From: Simon Hobson <linux@thehobsons.co.uk>
Subject: Re: [Xen-users] Xen networking troubles
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James Dingwall wrote:

>1. Create a new bridge called breth1 on the system and add eth1 to it:
>  # brctl addbr breth1
>  # brctl addif breth1 eth1
>Note it is not necessary to assign an IP to the eth1 interface on 
>the dom0 for this to work.

But you may have to explicitly set the interface to up. When I first 
started experimenting (some time ago), I struggled for a long time 
unable to get traffic to flow because of this !

-- 
Simon Hobson

Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
author Gladys Hobson. Novels - poetry - short stories - ideal as
Christmas stocking fillers. Some available as e-books.

_______________________________________________
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http://lists.xensource.com/xen-users

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Date: Fri, 2 Dec 2011 10:21:49 +0000
To: xen-users@lists.xensource.com
From: Simon Hobson <linux@thehobsons.co.uk>
Subject: Re: [Xen-users] Xen networking troubles
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James Dingwall wrote:

>1. Create a new bridge called breth1 on the system and add eth1 to it:
>  # brctl addbr breth1
>  # brctl addif breth1 eth1
>Note it is not necessary to assign an IP to the eth1 interface on 
>the dom0 for this to work.

But you may have to explicitly set the interface to up. When I first 
started experimenting (some time ago), I struggled for a long time 
unable to get traffic to flow because of this !

-- 
Simon Hobson

Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
author Gladys Hobson. Novels - poetry - short stories - ideal as
Christmas stocking fillers. Some available as e-books.

_______________________________________________
Xen-users mailing list
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http://lists.xensource.com/xen-users

From xen-users-bounces@lists.xensource.com Fri Dec 02 22:48:18 2011
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From: "Brett Westover" <bwestover@pletter.com>
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Subject: [Xen-users] [XCP] Slow Printing
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I have a windows server 2003 machine acting as our print server. It was
a VM on ESX 4.1, 
and I have now transferred to my XCP 1.1 pool.

I used this procedure to transfer the VM:
	1. Uninstall VMW tools
	2. Shutdown VM
	3. Export as OVF
	4. Convert and import OVF to XCP pool using XenConvert
	5. Power up VM on XCP using XenCenter
	6. Install Citrix XenTools using XenCenter
	7. Configure IP to match what it was originally

The server appears to work the same as before, at least as far as
configuration. 
All of the users' installed printers still function normally, and no
additional changes 
had to be made to the server.

The issue we have is that printing is now much slower. If I send a 35Mb
PDF to the printer,
I see it show up in the print queue on the server right away. However, I
can watch it tick
by VERY slowly as it sends that job to the printer. 0.1 MB every few
seconds, whereas before
this server was converted and moved to XCP, a job like that would fly
right through.

I've checked and there doesn't seem to be any issue in the guest as far
as CPU/Memory. They 
are hardly being touched.

Any ideas?

Thanks,
Brett Westover


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I have a windows server 2003 machine acting as our print server. It was
a VM on ESX 4.1, 
and I have now transferred to my XCP 1.1 pool.

I used this procedure to transfer the VM:
	1. Uninstall VMW tools
	2. Shutdown VM
	3. Export as OVF
	4. Convert and import OVF to XCP pool using XenConvert
	5. Power up VM on XCP using XenCenter
	6. Install Citrix XenTools using XenCenter
	7. Configure IP to match what it was originally

The server appears to work the same as before, at least as far as
configuration. 
All of the users' installed printers still function normally, and no
additional changes 
had to be made to the server.

The issue we have is that printing is now much slower. If I send a 35Mb
PDF to the printer,
I see it show up in the print queue on the server right away. However, I
can watch it tick
by VERY slowly as it sends that job to the printer. 0.1 MB every few
seconds, whereas before
this server was converted and moved to XCP, a job like that would fly
right through.

I've checked and there doesn't seem to be any issue in the guest as far
as CPU/Memory. They 
are hardly being touched.

Any ideas?

Thanks,
Brett Westover


_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Date: Fri, 2 Dec 2011 18:05:17 -0500
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From: Christopher J Petrolino <cpetrolino@gmail.com>
To: Brett Westover <bwestover@pletter.com>
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] [XCP] Slow Printing
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How is network performance in general? For example doing a UNC based copy
to and from the guest from a box not in the pool?

Also the "disabletaskoffloading" registry tweak mentioned here

http://www.xenappblog.com/2010/citrix-xenserver-slow-network-performance/

Might be worth a shot ......
On Dec 2, 2011 5:52 PM, "Brett Westover" <bwestover@pletter.com> wrote:
>
> I have a windows server 2003 machine acting as our print server. It was
> a VM on ESX 4.1,
> and I have now transferred to my XCP 1.1 pool.
>
> I used this procedure to transfer the VM:
>        1. Uninstall VMW tools
>        2. Shutdown VM
>        3. Export as OVF
>        4. Convert and import OVF to XCP pool using XenConvert
>        5. Power up VM on XCP using XenCenter
>        6. Install Citrix XenTools using XenCenter
>        7. Configure IP to match what it was originally
>
> The server appears to work the same as before, at least as far as
> configuration.
> All of the users' installed printers still function normally, and no
> additional changes
> had to be made to the server.
>
> The issue we have is that printing is now much slower. If I send a 35Mb
> PDF to the printer,
> I see it show up in the print queue on the server right away. However, I
> can watch it tick
> by VERY slowly as it sends that job to the printer. 0.1 MB every few
> seconds, whereas before
> this server was converted and moved to XCP, a job like that would fly
> right through.
>
> I've checked and there doesn't seem to be any issue in the guest as far
> as CPU/Memory. They
> are hardly being touched.
>
> Any ideas?
>
> Thanks,
> Brett Westover
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users

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<p>How is network performance in general? For example doing a UNC based cop=
y to and from the guest from a box not in the pool? </p>
<p>Also the &quot;disabletaskoffloading&quot; registry tweak mentioned here=
</p>
<p> <a href=3D"http://www.xenappblog.com/2010/citrix-xenserver-slow-network=
-performance/">http://www.xenappblog.com/2010/citrix-xenserver-slow-network=
-performance/</a> </p>
<p>Might be worth a shot ......<br>
On Dec 2, 2011 5:52 PM, &quot;Brett Westover&quot; &lt;<a href=3D"mailto:bw=
estover@pletter.com">bwestover@pletter.com</a>&gt; wrote:<br>
&gt;<br>
&gt; I have a windows server 2003 machine acting as our print server. It wa=
s<br>
&gt; a VM on ESX 4.1,<br>
&gt; and I have now transferred to my XCP 1.1 pool.<br>
&gt;<br>
&gt; I used this procedure to transfer the VM:<br>
&gt; =A0 =A0 =A0 =A01. Uninstall VMW tools<br>
&gt; =A0 =A0 =A0 =A02. Shutdown VM<br>
&gt; =A0 =A0 =A0 =A03. Export as OVF<br>
&gt; =A0 =A0 =A0 =A04. Convert and import OVF to XCP pool using XenConvert<=
br>
&gt; =A0 =A0 =A0 =A05. Power up VM on XCP using XenCenter<br>
&gt; =A0 =A0 =A0 =A06. Install Citrix XenTools using XenCenter<br>
&gt; =A0 =A0 =A0 =A07. Configure IP to match what it was originally<br>
&gt;<br>
&gt; The server appears to work the same as before, at least as far as<br>
&gt; configuration.<br>
&gt; All of the users&#39; installed printers still function normally, and =
no<br>
&gt; additional changes<br>
&gt; had to be made to the server.<br>
&gt;<br>
&gt; The issue we have is that printing is now much slower. If I send a 35M=
b<br>
&gt; PDF to the printer,<br>
&gt; I see it show up in the print queue on the server right away. However,=
 I<br>
&gt; can watch it tick<br>
&gt; by VERY slowly as it sends that job to the printer. 0.1 MB every few<b=
r>
&gt; seconds, whereas before<br>
&gt; this server was converted and moved to XCP, a job like that would fly<=
br>
&gt; right through.<br>
&gt;<br>
&gt; I&#39;ve checked and there doesn&#39;t seem to be any issue in the gue=
st as far<br>
&gt; as CPU/Memory. They<br>
&gt; are hardly being touched.<br>
&gt;<br>
&gt; Any ideas?<br>
&gt;<br>
&gt; Thanks,<br>
&gt; Brett Westover<br>
&gt;<br>
&gt;<br>
&gt; _______________________________________________<br>
&gt; Xen-users mailing list<br>
&gt; <a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xenso=
urce.com</a><br>
&gt; <a href=3D"http://lists.xensource.com/xen-users">http://lists.xensourc=
e.com/xen-users</a><br>
</p>

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Date: Fri, 2 Dec 2011 18:05:17 -0500
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From: Christopher J Petrolino <cpetrolino@gmail.com>
To: Brett Westover <bwestover@pletter.com>
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] [XCP] Slow Printing
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How is network performance in general? For example doing a UNC based copy
to and from the guest from a box not in the pool?

Also the "disabletaskoffloading" registry tweak mentioned here

http://www.xenappblog.com/2010/citrix-xenserver-slow-network-performance/

Might be worth a shot ......
On Dec 2, 2011 5:52 PM, "Brett Westover" <bwestover@pletter.com> wrote:
>
> I have a windows server 2003 machine acting as our print server. It was
> a VM on ESX 4.1,
> and I have now transferred to my XCP 1.1 pool.
>
> I used this procedure to transfer the VM:
>        1. Uninstall VMW tools
>        2. Shutdown VM
>        3. Export as OVF
>        4. Convert and import OVF to XCP pool using XenConvert
>        5. Power up VM on XCP using XenCenter
>        6. Install Citrix XenTools using XenCenter
>        7. Configure IP to match what it was originally
>
> The server appears to work the same as before, at least as far as
> configuration.
> All of the users' installed printers still function normally, and no
> additional changes
> had to be made to the server.
>
> The issue we have is that printing is now much slower. If I send a 35Mb
> PDF to the printer,
> I see it show up in the print queue on the server right away. However, I
> can watch it tick
> by VERY slowly as it sends that job to the printer. 0.1 MB every few
> seconds, whereas before
> this server was converted and moved to XCP, a job like that would fly
> right through.
>
> I've checked and there doesn't seem to be any issue in the guest as far
> as CPU/Memory. They
> are hardly being touched.
>
> Any ideas?
>
> Thanks,
> Brett Westover
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users

--f46d041b47f6a268da04b3240017
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<p>How is network performance in general? For example doing a UNC based cop=
y to and from the guest from a box not in the pool? </p>
<p>Also the &quot;disabletaskoffloading&quot; registry tweak mentioned here=
</p>
<p> <a href=3D"http://www.xenappblog.com/2010/citrix-xenserver-slow-network=
-performance/">http://www.xenappblog.com/2010/citrix-xenserver-slow-network=
-performance/</a> </p>
<p>Might be worth a shot ......<br>
On Dec 2, 2011 5:52 PM, &quot;Brett Westover&quot; &lt;<a href=3D"mailto:bw=
estover@pletter.com">bwestover@pletter.com</a>&gt; wrote:<br>
&gt;<br>
&gt; I have a windows server 2003 machine acting as our print server. It wa=
s<br>
&gt; a VM on ESX 4.1,<br>
&gt; and I have now transferred to my XCP 1.1 pool.<br>
&gt;<br>
&gt; I used this procedure to transfer the VM:<br>
&gt; =A0 =A0 =A0 =A01. Uninstall VMW tools<br>
&gt; =A0 =A0 =A0 =A02. Shutdown VM<br>
&gt; =A0 =A0 =A0 =A03. Export as OVF<br>
&gt; =A0 =A0 =A0 =A04. Convert and import OVF to XCP pool using XenConvert<=
br>
&gt; =A0 =A0 =A0 =A05. Power up VM on XCP using XenCenter<br>
&gt; =A0 =A0 =A0 =A06. Install Citrix XenTools using XenCenter<br>
&gt; =A0 =A0 =A0 =A07. Configure IP to match what it was originally<br>
&gt;<br>
&gt; The server appears to work the same as before, at least as far as<br>
&gt; configuration.<br>
&gt; All of the users&#39; installed printers still function normally, and =
no<br>
&gt; additional changes<br>
&gt; had to be made to the server.<br>
&gt;<br>
&gt; The issue we have is that printing is now much slower. If I send a 35M=
b<br>
&gt; PDF to the printer,<br>
&gt; I see it show up in the print queue on the server right away. However,=
 I<br>
&gt; can watch it tick<br>
&gt; by VERY slowly as it sends that job to the printer. 0.1 MB every few<b=
r>
&gt; seconds, whereas before<br>
&gt; this server was converted and moved to XCP, a job like that would fly<=
br>
&gt; right through.<br>
&gt;<br>
&gt; I&#39;ve checked and there doesn&#39;t seem to be any issue in the gue=
st as far<br>
&gt; as CPU/Memory. They<br>
&gt; are hardly being touched.<br>
&gt;<br>
&gt; Any ideas?<br>
&gt;<br>
&gt; Thanks,<br>
&gt; Brett Westover<br>
&gt;<br>
&gt;<br>
&gt; _______________________________________________<br>
&gt; Xen-users mailing list<br>
&gt; <a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xenso=
urce.com</a><br>
&gt; <a href=3D"http://lists.xensource.com/xen-users">http://lists.xensourc=
e.com/xen-users</a><br>
</p>

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From: "Brett Westover" <bwestover@pletter.com>
To: <xen-users@lists.xensource.com>
Subject: Re: [Xen-users] [XCP] Slow Printing
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>How is network performance in general? For example doing a UNC based copy =
to and =

>from the guest from a box not in the pool? =


I had the same thought. It seems fine. I haven't done any scientific testin=
g,
but my ad-hoc file copies from/to a few different locations seem entirely n=
ormal.


>Also the "disabletaskoffloading" registry tweak mentioned here
>http://www.xenappblog.com/2010/citrix-xenserver-slow-network-performance/ =

>Might be worth a shot ......

I'll try that, but since I'm not really seeing bad network performance in g=
eneral,
I don't know if it will help.

What about that other fix mentioned on your link?  "Disable CheckSum Offloa=
d". Is that
applicable to XCP, using XenTools drivers?


On Dec 2, 2011 5:52 PM, "Brett Westover" <bwestover@pletter.com> wrote:
>
> I have a windows server 2003 machine acting as our print server. It was
> a VM on ESX 4.1,
> and I have now transferred to my XCP 1.1 pool.
>
> I used this procedure to transfer the VM:
> =A0 =A0 =A0 =A01. Uninstall VMW tools
> =A0 =A0 =A0 =A02. Shutdown VM
> =A0 =A0 =A0 =A03. Export as OVF
> =A0 =A0 =A0 =A04. Convert and import OVF to XCP pool using XenConvert
> =A0 =A0 =A0 =A05. Power up VM on XCP using XenCenter
> =A0 =A0 =A0 =A06. Install Citrix XenTools using XenCenter
> =A0 =A0 =A0 =A07. Configure IP to match what it was originally
>
> The server appears to work the same as before, at least as far as
> configuration.
> All of the users' installed printers still function normally, and no
> additional changes
> had to be made to the server.
>
> The issue we have is that printing is now much slower. If I send a 35Mb
> PDF to the printer,
> I see it show up in the print queue on the server right away. However, I
> can watch it tick
> by VERY slowly as it sends that job to the printer. 0.1 MB every few
> seconds, whereas before
> this server was converted and moved to XCP, a job like that would fly
> right through.
>
> I've checked and there doesn't seem to be any issue in the guest as far
> as CPU/Memory. They
> are hardly being touched.
>
> Any ideas?
>
> Thanks,
> Brett Westover


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>How is network performance in general? For example doing a UNC based copy =
to and =

>from the guest from a box not in the pool? =


I had the same thought. It seems fine. I haven't done any scientific testin=
g,
but my ad-hoc file copies from/to a few different locations seem entirely n=
ormal.


>Also the "disabletaskoffloading" registry tweak mentioned here
>http://www.xenappblog.com/2010/citrix-xenserver-slow-network-performance/ =

>Might be worth a shot ......

I'll try that, but since I'm not really seeing bad network performance in g=
eneral,
I don't know if it will help.

What about that other fix mentioned on your link?  "Disable CheckSum Offloa=
d". Is that
applicable to XCP, using XenTools drivers?


On Dec 2, 2011 5:52 PM, "Brett Westover" <bwestover@pletter.com> wrote:
>
> I have a windows server 2003 machine acting as our print server. It was
> a VM on ESX 4.1,
> and I have now transferred to my XCP 1.1 pool.
>
> I used this procedure to transfer the VM:
> =A0 =A0 =A0 =A01. Uninstall VMW tools
> =A0 =A0 =A0 =A02. Shutdown VM
> =A0 =A0 =A0 =A03. Export as OVF
> =A0 =A0 =A0 =A04. Convert and import OVF to XCP pool using XenConvert
> =A0 =A0 =A0 =A05. Power up VM on XCP using XenCenter
> =A0 =A0 =A0 =A06. Install Citrix XenTools using XenCenter
> =A0 =A0 =A0 =A07. Configure IP to match what it was originally
>
> The server appears to work the same as before, at least as far as
> configuration.
> All of the users' installed printers still function normally, and no
> additional changes
> had to be made to the server.
>
> The issue we have is that printing is now much slower. If I send a 35Mb
> PDF to the printer,
> I see it show up in the print queue on the server right away. However, I
> can watch it tick
> by VERY slowly as it sends that job to the printer. 0.1 MB every few
> seconds, whereas before
> this server was converted and moved to XCP, a job like that would fly
> right through.
>
> I've checked and there doesn't seem to be any issue in the guest as far
> as CPU/Memory. They
> are hardly being touched.
>
> Any ideas?
>
> Thanks,
> Brett Westover


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> 
> Any ideas?
> 

Run wireshark in your DomU and see if you are seeing a lot of resends or
other strange things. That would indicate some sort of network issue

James


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> 
> Any ideas?
> 

Run wireshark in your DomU and see if you are seeing a lot of resends or
other strange things. That would indicate some sort of network issue

James


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On Mon November 28 2011, 9:48:14 AM, Flavio wrote:
> On 28 November 2011 03:41, jim burns <jim_burn@bellsouth.net> wrote:
> > And yes, I will look at the hvm to pv conversion, also. I haven't
> > forgotten you.
> 
> Thank you so much, I appreciate your efforts a lot!
> Do not worry because it's not urgent.

Ok - I've had partial success. I can get text mode up to 1280x1024, and the 
desktop up to 1024x768.

The text mode boost came from simply using vga=0x31a (1280x1024x24) in my 
menu.lst, on the kernel line. I remember you saying that didn't work for you, 
but I now assume you meant for the desktop, not text mode. What also works is 
0x307 (1280x1024x8) and 0x319 (1280x1024x15).

You can get the installer to put 0x31a in for you from it's main menu - select 
F3 to set the resolution. However, it's just as easy to edit menu.lst.

With the following /etc/X11/xorg.conf, you can get a desktop up to 1024x768:

Section "Monitor"
  HorizSync    20-220
  Identifier   "Monitor[0]"
  VertRefresh  30-320
#  UseModes     "Modes[0]"
EndSection

#Section "Modes"
#  Identifier   "Modes[0]"
#  Modeline "1280x1024" 276.24 1280 1384 1528 1776 1024 1025 1028 1111
#  Modeline "1280x1024" 108.88 1280 1360 1496 1712 1024 1025 1028 1060
#  Modeline "1280x1024_60.00"  109.00  1280 1368 1496 1712  1024 1027 1034 
1063 -hsync +vsync Doublescan
#  Modeline "1280x1024_75.00"  138.75  1280 1368 1504 1728  1024 1027 1034 
1072 -hsync +vsync Interlace
#  Modeline "1280x1024_85.00"  159.50  1280 1376 1512 1744  1024 1027 1034 
1078 -hsync +vsync Doublescan Interlace
#EndSection

Section "Device"
  BoardName    "Cirrus Logic GD 5446"
  Driver       "cirrus"
  Identifier   "Device[0]"
  VendorName   "XenSource Inc."
EndSection

Section "Screen"
  DefaultDepth 24
  SubSection "Display"
    Depth      15
    Modes      "1280x1024" "1152x864" "1024x768" "800x600" 
  EndSubSection
  SubSection "Display"
    Depth      16
    Modes      "1280x1024" "1152x864" "1024x768" "800x600" 
  EndSubSection
  SubSection "Display"
    Depth      24
    Modes      "1280x1024" "1152x864" "1024x768" "800x600" 
  EndSubSection
  SubSection "Display"
    Depth      8
    Modes      "1280x1024" "1152x864" "1024x768" "800x600" 
  EndSubSection
  Device       "Device[0]"
  Identifier   "Screen[0]"
  Monitor      "Monitor[0]"
EndSection

Section "ServerLayout"
  Identifier   "Layout[all]"
  Option       "Clone" "off"
  Option       "Xinerama" "off"
  Screen       "Screen[0]"
EndSection

The commented out Modelines were just an experiment with values obtained from 
the commands cvt and xmode. None of them made any difference. Maybe someone 
better than me at xorg can chime in, but at least I got the resolution up to 
the highest one Fajar said he got in his Nov. 9 post. This is about as far as 
I can go with this resolution problem.

Used to be that in earlier distro version of opensuse - 11.2 and lower - there 
were a couple of utilities called sax2 and isax that configured your xorg.conf 
for you, but the old rpms won't install on suse 11.4, with dependency 
problems. The xorg devs must think that xorg is self configuring enough 
nowadays. I would say that isn't true with older drivers like cirrusfb.

I also noticed that if you edit the INITRD_MODULES line of 
/etc/sysconfig/kernel, the modules in that line (that are put in the initrd) 
load sooner than even the 'modprobe cirrusfb' line I had you put in 
/etc/init.d/boot.local. (After editing INITRD_MODULES, you must run 'mkinitrd' 
again to recreate all the initrds in /boot. See the mkinitrd options if you 
want to only update a specific kernel's initrd.) Unfortunately, it still loads 
after vesafb, and I still get those BAR 0: errors, and cirrusfb doesn't 
initialize properly. All the resolution obtained above come from the xorg 
cirrus module, not the kernel cirrusfb module. I never found a way around the 
BAR 0: errors, and I'm pretty sure that is what is preventing you from getting 
even higher resolutions.

On another problem - before I started looking at hvm to pv conversion for your 
domu, I decided to look at the PVonHVM drivers. The old wiki page actually has 
more info than the new one:

http://wiki.xensource.com/xenwiki/XenLinuxPVonHVMdrivers

On suse 11.4, these drivers are installed with the xen-kmp-desktop rpm for the 
-desktop flavor of the suse kernel. I noticed from the end of your dmesg that 
you got the messages that would be expected from the xen drivers, so I'm 
assuming you have it installed. You may have missed how to enable it in your 
domu config though.

This is your hvm config that you posted on Nov. 8, with the obvious changes 
for local differences in my setup, like memory=, disk= and keymap=. I call the 
file simply 'suse':

kernel = "/usr/lib/xen/boot/hvmloader"
builder='hvm'
memory = 768
#device_model = 'qemu-dm'

shadow_memory = 8
name = "opensuse-11.4"
vif = [ 'type=ioemu, mac=00:16:3e:00:00:21, bridge=xenbr0' ]
acpi = 1
apic = 1
disk = [ 'phy:/dev/disk/by-path/ip-192.168.1.101:3260-iscsi-
iqn.2001-04.com.Dell4550-iqn.2009-09.net.bellsouth.sda:041b7d3f-b008-4367-
b1f2-b4799d15e4cd-lun-2,hda,w', 'phy:/dev/cdrom,hdc:cdrom,r' ]
#vif = [ 'mac=00:16:3e:00:00:21, bridge=xenbr0, model=e1000' ]
#xen_platform_pci=1

boot="dc"
sdl=0
vnc=1
vncconsole=1
vncpasswd=''
vnclisten="192.168.1.100"
stdvga=0
videoram=16
#keymap="it"
keymap='en-us'

serial='pty'
usbdevice='tablet'

I noticed you didn't use device_model= in your config, and the install worked 
quite well with out it. I simply executed 'xl create suse', and the dvd 
installer came up and worked with no problems, and I picked all the defaults. 
I assume that is how you did it, and did not use something like virt-install 
or virt-manager.

After the install, I changed boot= to 'cd', and played with the Realtek 
drivers the first few times I rebooted. Then I enabled the PVonHVM drivers by 
commenting out your vif=, and un-commenting the vif= with the e1000 model, and 
xen_platform-pci=, according to the url.

I had some minor problems, because the dvd installer setup udev and modprobe 
rules based on Realtek as eth0, and PVonHVM tried to setup an eth1 with the 
PVonHVM drivers, but then tries to rename eth1 to eth0, and move eth0 out of 
the way. If you do an 'ethtool -i eth0'. if it says the driver is e1000, 
you're still using the qemu emulated device. If 'ethtool -i eth0' says the 
driver is netfront, you are using the PVonHVM driver.

I found if I edited /etc/modprobe.d/xen_pvdrivers.conf to include a line for 
e1000 similar to the existing lines for 8139{cp,too}, I can get eth0 to have 
the netfront driver nearly every time:

# Install the paravirtualized drivers
install libata  /sbin/modprobe xen-vbd 2>&1 |:; /sbin/modprobe --ignore-
install libata

install 8139cp  /sbin/modprobe xen-vnif 2>&1 |:; /sbin/modprobe --ignore-
install 8139cp

install 8139too  /sbin/modprobe xen-vnif 2>&1 |:; /sbin/modprobe --ignore-
install 8139too

install e1000  /sbin/modprobe xen-vnif 2>&1 |:; /sbin/modprobe --ignore-
install e1000

The results are impressive, at least on the network side. Benchmarking with 
'iperf' gives net speeds around 1Gbps. Can't say I was as impressed with the 
disk drivers, but all I tested with was 'hdparm -t devicename', where the 
devicename is /dev/sda? for qemu and /dev/hda? for PVonHVM. The numbers were 
all the same, but I'm probably limited by my iscsi speed anyway.

That being said, there will be an annoying 1 min. pause on boot up, around the 
message:

[   36.114925] eth1 renamed to eth1-eth0 by udevd [347]
[   36.121708] udev[347]: renamed network interface eth1 to eth1-eth0

Over the next few days, I'll look at full blown hvm to pv conversion. I 
suspect it will be as simple as installing kernel-xen, but using a pv config 
file to boot with. If I boot with an hvm config, and select Xen in the menu, I 
also got the 'invalid executable format' error. Then as I mentioned, the 
device names in menu.lst and /etc/fstab have to be changed. I'm already 
booting up with my hvm config with /dev/disk/by-uuid names instead of 
/dev/disk/by-id names. When I get it all together, I'll post it.

_______________________________________________
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From: jim burns <jim_burn@bellsouth.net>
To: Flavio <fbcyborg@gmail.com>
Date: Sun, 04 Dec 2011 18:37:44 -0500
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Cc: xen-users@lists.xensource.com, "Fajar A. Nugraha" <list@fajar.net>
Subject: Re: [Xen-users] OpenSuse 11 hvm domU: screen resolution up to
	640x480
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On Mon November 28 2011, 9:48:14 AM, Flavio wrote:
> On 28 November 2011 03:41, jim burns <jim_burn@bellsouth.net> wrote:
> > And yes, I will look at the hvm to pv conversion, also. I haven't
> > forgotten you.
> 
> Thank you so much, I appreciate your efforts a lot!
> Do not worry because it's not urgent.

Ok - I've had partial success. I can get text mode up to 1280x1024, and the 
desktop up to 1024x768.

The text mode boost came from simply using vga=0x31a (1280x1024x24) in my 
menu.lst, on the kernel line. I remember you saying that didn't work for you, 
but I now assume you meant for the desktop, not text mode. What also works is 
0x307 (1280x1024x8) and 0x319 (1280x1024x15).

You can get the installer to put 0x31a in for you from it's main menu - select 
F3 to set the resolution. However, it's just as easy to edit menu.lst.

With the following /etc/X11/xorg.conf, you can get a desktop up to 1024x768:

Section "Monitor"
  HorizSync    20-220
  Identifier   "Monitor[0]"
  VertRefresh  30-320
#  UseModes     "Modes[0]"
EndSection

#Section "Modes"
#  Identifier   "Modes[0]"
#  Modeline "1280x1024" 276.24 1280 1384 1528 1776 1024 1025 1028 1111
#  Modeline "1280x1024" 108.88 1280 1360 1496 1712 1024 1025 1028 1060
#  Modeline "1280x1024_60.00"  109.00  1280 1368 1496 1712  1024 1027 1034 
1063 -hsync +vsync Doublescan
#  Modeline "1280x1024_75.00"  138.75  1280 1368 1504 1728  1024 1027 1034 
1072 -hsync +vsync Interlace
#  Modeline "1280x1024_85.00"  159.50  1280 1376 1512 1744  1024 1027 1034 
1078 -hsync +vsync Doublescan Interlace
#EndSection

Section "Device"
  BoardName    "Cirrus Logic GD 5446"
  Driver       "cirrus"
  Identifier   "Device[0]"
  VendorName   "XenSource Inc."
EndSection

Section "Screen"
  DefaultDepth 24
  SubSection "Display"
    Depth      15
    Modes      "1280x1024" "1152x864" "1024x768" "800x600" 
  EndSubSection
  SubSection "Display"
    Depth      16
    Modes      "1280x1024" "1152x864" "1024x768" "800x600" 
  EndSubSection
  SubSection "Display"
    Depth      24
    Modes      "1280x1024" "1152x864" "1024x768" "800x600" 
  EndSubSection
  SubSection "Display"
    Depth      8
    Modes      "1280x1024" "1152x864" "1024x768" "800x600" 
  EndSubSection
  Device       "Device[0]"
  Identifier   "Screen[0]"
  Monitor      "Monitor[0]"
EndSection

Section "ServerLayout"
  Identifier   "Layout[all]"
  Option       "Clone" "off"
  Option       "Xinerama" "off"
  Screen       "Screen[0]"
EndSection

The commented out Modelines were just an experiment with values obtained from 
the commands cvt and xmode. None of them made any difference. Maybe someone 
better than me at xorg can chime in, but at least I got the resolution up to 
the highest one Fajar said he got in his Nov. 9 post. This is about as far as 
I can go with this resolution problem.

Used to be that in earlier distro version of opensuse - 11.2 and lower - there 
were a couple of utilities called sax2 and isax that configured your xorg.conf 
for you, but the old rpms won't install on suse 11.4, with dependency 
problems. The xorg devs must think that xorg is self configuring enough 
nowadays. I would say that isn't true with older drivers like cirrusfb.

I also noticed that if you edit the INITRD_MODULES line of 
/etc/sysconfig/kernel, the modules in that line (that are put in the initrd) 
load sooner than even the 'modprobe cirrusfb' line I had you put in 
/etc/init.d/boot.local. (After editing INITRD_MODULES, you must run 'mkinitrd' 
again to recreate all the initrds in /boot. See the mkinitrd options if you 
want to only update a specific kernel's initrd.) Unfortunately, it still loads 
after vesafb, and I still get those BAR 0: errors, and cirrusfb doesn't 
initialize properly. All the resolution obtained above come from the xorg 
cirrus module, not the kernel cirrusfb module. I never found a way around the 
BAR 0: errors, and I'm pretty sure that is what is preventing you from getting 
even higher resolutions.

On another problem - before I started looking at hvm to pv conversion for your 
domu, I decided to look at the PVonHVM drivers. The old wiki page actually has 
more info than the new one:

http://wiki.xensource.com/xenwiki/XenLinuxPVonHVMdrivers

On suse 11.4, these drivers are installed with the xen-kmp-desktop rpm for the 
-desktop flavor of the suse kernel. I noticed from the end of your dmesg that 
you got the messages that would be expected from the xen drivers, so I'm 
assuming you have it installed. You may have missed how to enable it in your 
domu config though.

This is your hvm config that you posted on Nov. 8, with the obvious changes 
for local differences in my setup, like memory=, disk= and keymap=. I call the 
file simply 'suse':

kernel = "/usr/lib/xen/boot/hvmloader"
builder='hvm'
memory = 768
#device_model = 'qemu-dm'

shadow_memory = 8
name = "opensuse-11.4"
vif = [ 'type=ioemu, mac=00:16:3e:00:00:21, bridge=xenbr0' ]
acpi = 1
apic = 1
disk = [ 'phy:/dev/disk/by-path/ip-192.168.1.101:3260-iscsi-
iqn.2001-04.com.Dell4550-iqn.2009-09.net.bellsouth.sda:041b7d3f-b008-4367-
b1f2-b4799d15e4cd-lun-2,hda,w', 'phy:/dev/cdrom,hdc:cdrom,r' ]
#vif = [ 'mac=00:16:3e:00:00:21, bridge=xenbr0, model=e1000' ]
#xen_platform_pci=1

boot="dc"
sdl=0
vnc=1
vncconsole=1
vncpasswd=''
vnclisten="192.168.1.100"
stdvga=0
videoram=16
#keymap="it"
keymap='en-us'

serial='pty'
usbdevice='tablet'

I noticed you didn't use device_model= in your config, and the install worked 
quite well with out it. I simply executed 'xl create suse', and the dvd 
installer came up and worked with no problems, and I picked all the defaults. 
I assume that is how you did it, and did not use something like virt-install 
or virt-manager.

After the install, I changed boot= to 'cd', and played with the Realtek 
drivers the first few times I rebooted. Then I enabled the PVonHVM drivers by 
commenting out your vif=, and un-commenting the vif= with the e1000 model, and 
xen_platform-pci=, according to the url.

I had some minor problems, because the dvd installer setup udev and modprobe 
rules based on Realtek as eth0, and PVonHVM tried to setup an eth1 with the 
PVonHVM drivers, but then tries to rename eth1 to eth0, and move eth0 out of 
the way. If you do an 'ethtool -i eth0'. if it says the driver is e1000, 
you're still using the qemu emulated device. If 'ethtool -i eth0' says the 
driver is netfront, you are using the PVonHVM driver.

I found if I edited /etc/modprobe.d/xen_pvdrivers.conf to include a line for 
e1000 similar to the existing lines for 8139{cp,too}, I can get eth0 to have 
the netfront driver nearly every time:

# Install the paravirtualized drivers
install libata  /sbin/modprobe xen-vbd 2>&1 |:; /sbin/modprobe --ignore-
install libata

install 8139cp  /sbin/modprobe xen-vnif 2>&1 |:; /sbin/modprobe --ignore-
install 8139cp

install 8139too  /sbin/modprobe xen-vnif 2>&1 |:; /sbin/modprobe --ignore-
install 8139too

install e1000  /sbin/modprobe xen-vnif 2>&1 |:; /sbin/modprobe --ignore-
install e1000

The results are impressive, at least on the network side. Benchmarking with 
'iperf' gives net speeds around 1Gbps. Can't say I was as impressed with the 
disk drivers, but all I tested with was 'hdparm -t devicename', where the 
devicename is /dev/sda? for qemu and /dev/hda? for PVonHVM. The numbers were 
all the same, but I'm probably limited by my iscsi speed anyway.

That being said, there will be an annoying 1 min. pause on boot up, around the 
message:

[   36.114925] eth1 renamed to eth1-eth0 by udevd [347]
[   36.121708] udev[347]: renamed network interface eth1 to eth1-eth0

Over the next few days, I'll look at full blown hvm to pv conversion. I 
suspect it will be as simple as installing kernel-xen, but using a pv config 
file to boot with. If I boot with an hvm config, and select Xen in the menu, I 
also got the 'invalid executable format' error. Then as I mentioned, the 
device names in menu.lst and /etc/fstab have to be changed. I'm already 
booting up with my hvm config with /dev/disk/by-uuid names instead of 
/dev/disk/by-id names. When I get it all together, I'll post it.

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Hi,

I am using GTX480/590 Nvidia graphics card as per my discussion with
"Nvidia support team"
doesn't support  VT-d pass through for  GTX480/590

I have the following query:-
1->Is GPU pass through and VGA pass through same ?
2->if different in that case can i use GPU pass through for GTX 480/590.
Thanks,
Akhilesh

--e89a8f3ba8715e842004b352a675
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

<div>Hi, </div><div>=A0</div><div>I am using GTX480/590 Nvidia graphics car=
d as per my discussion with &quot;Nvidia support team&quot; </div><div>does=
n&#39;t support=A0 VT-d pass through for=A0=A0GTX480/590</div><div>=A0</div=
><div>I have the following query:-</div>
<div>1-&gt;Is GPU pass through and VGA pass through same ?=A0</div><div>2-&=
gt;if different in that case can i use GPU pass through for GTX 480/590.=A0=
<br></div><div>Thanks,</div><div>Akhilesh </div>

--e89a8f3ba8715e842004b352a675--


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From: akhilesh kumar <akhipatel@gmail.com>
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Subject: [Xen-users] Regarding :-GPU pass through and VGA pass through
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Hi,

I am using GTX480/590 Nvidia graphics card as per my discussion with
"Nvidia support team"
doesn't support  VT-d pass through for  GTX480/590

I have the following query:-
1->Is GPU pass through and VGA pass through same ?
2->if different in that case can i use GPU pass through for GTX 480/590.
Thanks,
Akhilesh

--e89a8f3ba8715e842004b352a675
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

<div>Hi, </div><div>=A0</div><div>I am using GTX480/590 Nvidia graphics car=
d as per my discussion with &quot;Nvidia support team&quot; </div><div>does=
n&#39;t support=A0 VT-d pass through for=A0=A0GTX480/590</div><div>=A0</div=
><div>I have the following query:-</div>
<div>1-&gt;Is GPU pass through and VGA pass through same ?=A0</div><div>2-&=
gt;if different in that case can i use GPU pass through for GTX 480/590.=A0=
<br></div><div>Thanks,</div><div>Akhilesh </div>

--e89a8f3ba8715e842004b352a675--


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To: xen-users@lists.xensource.com
Subject: [Xen-users] Ubuntu 11.04 shutdown Problem
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I am using old Xen Rpms which comes with RHEL 5.5 .
xen-3.0.3-105.el5.

I am running Ubuntu 11.04 Full Virt on this. But after a gap of 2 or 3 days
this VM gets shutdown automatically.
I have checked the logs there is nothing suspicious.. What can be reason
for it..??

Any one has faced same problem??
-- 
Thanks

Vipul Borikar
"Our task must be to free ourselves...by widening our circle of compassion
to embrace all living creatures and the whole of nature and its beauty."

--90e6ba6e82feac95da04b352fa9a
Content-Type: text/html; charset=ISO-8859-1
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<br clear=3D"all">I am using old Xen Rpms which comes with RHEL 5.5 .<br>xe=
n-3.0.3-105.el5.<br><br>I am running Ubuntu 11.04 Full Virt on this. But af=
ter a gap of 2 or 3 days this VM gets shutdown automatically.<br>I have che=
cked the logs there is nothing suspicious.. What can be reason for it..??<b=
r>
<br>Any one has faced same problem??<br>-- <br><div>Thanks=A0</div><div><br=
></div>Vipul Borikar <br><div>&quot;Our task must be to free ourselves...by=
 widening our circle of compassion to embrace all living creatures and the =
whole of nature and its beauty.&quot;</div>
<br>

--90e6ba6e82feac95da04b352fa9a--


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--90e6ba6e82feac95da04b352fa9a
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I am using old Xen Rpms which comes with RHEL 5.5 .
xen-3.0.3-105.el5.

I am running Ubuntu 11.04 Full Virt on this. But after a gap of 2 or 3 days
this VM gets shutdown automatically.
I have checked the logs there is nothing suspicious.. What can be reason
for it..??

Any one has faced same problem??
-- 
Thanks

Vipul Borikar
"Our task must be to free ourselves...by widening our circle of compassion
to embrace all living creatures and the whole of nature and its beauty."

--90e6ba6e82feac95da04b352fa9a
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

<br clear=3D"all">I am using old Xen Rpms which comes with RHEL 5.5 .<br>xe=
n-3.0.3-105.el5.<br><br>I am running Ubuntu 11.04 Full Virt on this. But af=
ter a gap of 2 or 3 days this VM gets shutdown automatically.<br>I have che=
cked the logs there is nothing suspicious.. What can be reason for it..??<b=
r>
<br>Any one has faced same problem??<br>-- <br><div>Thanks=A0</div><div><br=
></div>Vipul Borikar <br><div>&quot;Our task must be to free ourselves...by=
 widening our circle of compassion to embrace all living creatures and the =
whole of nature and its beauty.&quot;</div>
<br>

--90e6ba6e82feac95da04b352fa9a--


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Cc: xen-users@lists.xensource.com, "Fajar A. Nugraha" <list@fajar.net>
Subject: Re: [Xen-users] OpenSuse 11 hvm domU: screen resolution up to
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On 5 December 2011 00:37, jim burns <jim_burn@bellsouth.net> wrote:
> Ok - I've had partial success. I can get text mode up to 1280x1024, and the
> desktop up to 1024x768.
Hello,

De default kernel command line in the menu.lst file shows 0x313.
Once Grub has started, I can choose between many different screen
resolution too,
as regard the text mode actually.
The default one (not according with the kernel command line above) is 0x314.
Putting vga=0x31a makes me a text mode resolution up to 1280x1024x24.

>
> The text mode boost came from simply using vga=0x31a (1280x1024x24) in my
> menu.lst, on the kernel line. I remember you saying that didn't work for you,
> but I now assume you meant for the desktop, not text mode. What also works is
> 0x307 (1280x1024x8) and 0x319 (1280x1024x15).
Yes, I meant the desktop of course. Actually I've already tried to
change such text
mode resolution before and I've already seen that it works.
The max desktop resolution is still 800x600.

> With the following /etc/X11/xorg.conf, you can get a desktop up to 1024x768:
> [...]
OK THIS worked for me too!


> All the resolution obtained above come from the xorg
> cirrus module, not the kernel cirrusfb module. I never found a way around the
> BAR 0: errors, and I'm pretty sure that is what is preventing you from getting
> even higher resolutions.
You know these things even better than me! ;)

>
> On another problem - before I started looking at hvm to pv conversion for your
> domu, I decided to look at the PVonHVM drivers. The old wiki page actually has
> more info than the new one:
>
> http://wiki.xensource.com/xenwiki/XenLinuxPVonHVMdrivers
Why don't try to setup suse directly as a PV guest? I think it would be better.
I tried to do it, but I don't know what to do after the first reboot
(the end of the setup
that requires a reboot).

> I assume that is how you did it, and did not use something like virt-install
> or virt-manager.
No I didn't use virt-* actually.

> Over the next few days, I'll look at full blown hvm to pv conversion. I
> suspect it will be as simple as installing kernel-xen, but using a pv config
> file to boot with. If I boot with an hvm config, and select Xen in the menu, I
> also got the 'invalid executable format' error. Then as I mentioned, the
> device names in menu.lst and /etc/fstab have to be changed. I'm already
> booting up with my hvm config with /dev/disk/by-uuid names instead of
> /dev/disk/by-id names. When I get it all together, I'll post it.

OK, thank you so much, even I still remain of the idea that it would be better
to setup a PV guest directly. It seems more simple for me.

So the problem of the screen resolution seems to be fixed now. It would be
a good thing to find out how to have success installing a PV guest without
starting from a hvm guest.

Cheers,

-- 
Flavio

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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From: Flavio <fbcyborg@gmail.com>
Date: Mon, 5 Dec 2011 10:49:19 +0100
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To: jim burns <jim_burn@bellsouth.net>
Cc: xen-users@lists.xensource.com, "Fajar A. Nugraha" <list@fajar.net>
Subject: Re: [Xen-users] OpenSuse 11 hvm domU: screen resolution up to
	640x480
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On 5 December 2011 00:37, jim burns <jim_burn@bellsouth.net> wrote:
> Ok - I've had partial success. I can get text mode up to 1280x1024, and the
> desktop up to 1024x768.
Hello,

De default kernel command line in the menu.lst file shows 0x313.
Once Grub has started, I can choose between many different screen
resolution too,
as regard the text mode actually.
The default one (not according with the kernel command line above) is 0x314.
Putting vga=0x31a makes me a text mode resolution up to 1280x1024x24.

>
> The text mode boost came from simply using vga=0x31a (1280x1024x24) in my
> menu.lst, on the kernel line. I remember you saying that didn't work for you,
> but I now assume you meant for the desktop, not text mode. What also works is
> 0x307 (1280x1024x8) and 0x319 (1280x1024x15).
Yes, I meant the desktop of course. Actually I've already tried to
change such text
mode resolution before and I've already seen that it works.
The max desktop resolution is still 800x600.

> With the following /etc/X11/xorg.conf, you can get a desktop up to 1024x768:
> [...]
OK THIS worked for me too!


> All the resolution obtained above come from the xorg
> cirrus module, not the kernel cirrusfb module. I never found a way around the
> BAR 0: errors, and I'm pretty sure that is what is preventing you from getting
> even higher resolutions.
You know these things even better than me! ;)

>
> On another problem - before I started looking at hvm to pv conversion for your
> domu, I decided to look at the PVonHVM drivers. The old wiki page actually has
> more info than the new one:
>
> http://wiki.xensource.com/xenwiki/XenLinuxPVonHVMdrivers
Why don't try to setup suse directly as a PV guest? I think it would be better.
I tried to do it, but I don't know what to do after the first reboot
(the end of the setup
that requires a reboot).

> I assume that is how you did it, and did not use something like virt-install
> or virt-manager.
No I didn't use virt-* actually.

> Over the next few days, I'll look at full blown hvm to pv conversion. I
> suspect it will be as simple as installing kernel-xen, but using a pv config
> file to boot with. If I boot with an hvm config, and select Xen in the menu, I
> also got the 'invalid executable format' error. Then as I mentioned, the
> device names in menu.lst and /etc/fstab have to be changed. I'm already
> booting up with my hvm config with /dev/disk/by-uuid names instead of
> /dev/disk/by-id names. When I get it all together, I'll post it.

OK, thank you so much, even I still remain of the idea that it would be better
to setup a PV guest directly. It seems more simple for me.

So the problem of the screen resolution seems to be fixed now. It would be
a good thing to find out how to have success installing a PV guest without
starting from a hvm guest.

Cheers,

-- 
Flavio

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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From: David TECHER <davidtecher@yahoo.fr>
To: akhilesh kumar <akhipatel@gmail.com>,
	"Xen-users@lists.xensource.com" <Xen-users@lists.xensource.com>
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Subject: [Xen-users] Re : Regarding :-GPU pass through and VGA pass through
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--1260217059-225465447-1323086181=:75051
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Hi=0A=0AI've got a GTX 460 SE EVGA 1024 M and it works for VT-d using Windo=
ws XP as domU. or Ubuntu Lucid as domU=0A=0A=0AI can not give your any info=
rmation for GPU because I do not try.=0A=0A=0AHowever I do not have a GTX 4=
80.=0A=0AFor NVidia, you need to patch Xen in order to supporting Vt-d.. I =
maintain the last patches - as much as I can - for Xen VGA Nvidia=0A=0AHave=
 a look at =0A=0A=0Ahttp://xen.1045712.n5.nabble.com/Patches-for-Xen-VGa-Pa=
ss-Through-NVIDIA-for-staging-revision-gt-24232-td5025232.html=0A=0ASo you =
need to extract the "VGA BIOS" using nvtools.=0A=0ADownload Xen sources et =
compil in tools=0A=0A=0Arev=3D24354;hg clone -r $rev http://xenbits.xensour=
ce.com/staging/xen-unstable.hg/ xen-unstable.hg-rev-${rev}=0Acd xen-unstabl=
e.hg-rev-${rev}/tools=0Amake -j4 && make clean=0Acd ..=0A=0A=0AApply the pa=
tchs=0A=0Awget -q http://www.davidgis.fr/download/xen-4.2_rev24232_gfx-pass=
through-patchs.tar.bz2=0A=0Atar xjf /xen-4.2_rev24232_gfx-passthrough-patch=
s.tar.bz2for file in $(ls=A0 xen-4.2_rev24232_gfx-passthrough-patchs/*);do =
patch -p1 < $file;done=0A=0ACopy your vgabios et rename it to vgabios-pt.bi=
n=0A=0A=0Acp <your_vgabios.rom> tools/firmware/vgabios/vgabios-pt.bin=0A=0A=
=0Amake -j4 xen tools stubdom =0A=0Amake -j4 install-xen && make -j4 instal=
l-tools PYTHON_PREFIX_ARG=3D && make -j4 install-stubdom =0A=0A=0A=0A=0A=0A=
=0A________________________________=0A De=A0: akhilesh kumar <akhipatel@gma=
il.com>=0A=C0=A0: Xen-users@lists.xensource.com =0AEnvoy=E9 le : Lundi 5 D=
=E9cembre 2011 7h44=0AObjet=A0: [Xen-users] Regarding :-GPU pass through an=
d VGA pass through=0A =0A=0AHi, =0A=A0=0AI am using GTX480/590 Nvidia graph=
ics card as per my discussion with "Nvidia support team" =0Adoesn't support=
=A0 VT-d pass through for=A0=A0GTX480/590=0A=A0=0AI have the following quer=
y:-=0A1->Is GPU pass through and VGA pass through same ?=A0=0A2->if differe=
nt in that case can i use GPU pass through for GTX 480/590.=A0=0A=0AThanks,=
=0AAkhilesh =0A_______________________________________________=0AXen-users =
mailing list=0AXen-users@lists.xensource.com=0Ahttp://lists.xensource.com/x=
en-users
--1260217059-225465447-1323086181=:75051
Content-Type: text/html; charset=iso-8859-1
Content-Transfer-Encoding: quoted-printable

<html><body><div style=3D"color:#000; background-color:#fff; font-family:ti=
mes new roman, new york, times, serif;font-size:12pt"><div><span>Hi</span><=
/div><div><br><span></span></div><div><span>I've got a GTX 460 SE EVGA 1024=
 M and it works for VT-d using Windows XP as domU. or Ubuntu Lucid as domU<=
br></span></div><div><br><span></span></div><div><span>I can not give your =
any information for GPU because I do not try.<br></span></div><div><span><b=
r></span></div><div><span>However I do not have a GTX 480.</span></div><div=
><br><span></span></div><div><span>For NVidia, you need to patch Xen in ord=
er to supporting Vt-d.. I maintain the last patches - as much as I can - fo=
r Xen VGA Nvidia</span></div><div><br><span></span></div><div><span>Have a =
look at
 <br></span></div><div><br><span></span></div><div><span>http://xen.1045712=
.n5.nabble.com/Patches-for-Xen-VGa-Pass-Through-NVIDIA-for-staging-revision=
-gt-24232-td5025232.html</span></div><div><br><span></span></div><div><span=
>So you need to extract the "VGA BIOS" using nvtools.</span></div><div><br>=
<span></span></div><div><span>Download Xen sources et compil in tools<br></=
span></div><div><br><span></span></div><div><span>rev=3D<span class=3D"bold=
 highlight search-highlight">24354</span>;hg clone -r $rev http://<span cla=
ss=3D"bold highlight search-highlight">xenbits</span>.<span class=3D"bold h=
ighlight search-highlight">xensource</span>.com/staging/<span class=3D"bold=
 highlight search-highlight">xen</span>-unstable.hg/ <span class=3D"bold hi=
ghlight search-highlight">xen</span>-unstable.hg-rev-${rev}</span></div><di=
v><span>cd <span class=3D"bold highlight search-highlight">xen</span>-unsta=
ble.hg-rev-${rev}/tools</span></div><div><span>make -j4 &amp;&amp; make
 clean<br>cd ..<br></span></div><div><br></div><div><span>Apply the patchs<=
br><br>wget -q http://www.davidgis.fr/download/xen-4.2_rev24232_gfx-passthr=
ough-patchs.tar.bz2<br></span></div><div>tar xjf <span>/xen-4.2_rev24232_gf=
x-passthrough-patchs.tar.bz2</span></div><span>for file in $(ls&nbsp; xen-4=
.2_rev24232_gfx-passthrough-patchs/*);do patch -p1 &lt; $file;done</span><d=
iv><br></div><div>Copy your vgabios et rename it to vgabios-pt.bin<br></div=
><div><br></div><div>cp &lt;your_vgabios.rom&gt; tools/firmware/vgabios/vga=
bios-pt.bin<br></div><div><br></div><div>make -j4 xen tools stubdom <br></d=
iv><div>make -j4 install-xen &amp;&amp; make -j4 install-tools PYTHON_PREFI=
X_ARG=3D &amp;&amp; make -j4 install-stubdom=0A</div><div><br><span></span>=
</div><div><span><br></span></div><div><br><span></span></div><div><span></=
span></div><div><br></div>  <div style=3D"font-family: times new roman, new=
 york, times, serif; font-size: 12pt;"> <div style=3D"font-family: times ne=
w roman, new york, times, serif; font-size: 12pt;"> <font face=3D"Arial" si=
ze=3D"2"> <hr size=3D"1">  <b><span style=3D"font-weight:bold;">De&nbsp;:</=
span></b> akhilesh kumar &lt;akhipatel@gmail.com&gt;<br> <b><span style=3D"=
font-weight: bold;">=C0&nbsp;:</span></b> Xen-users@lists.xensource.com <br=
> <b><span style=3D"font-weight: bold;">Envoy=E9 le :</span></b> Lundi 5 D=
=E9cembre 2011 7h44<br> <b><span style=3D"font-weight: bold;">Objet&nbsp;:<=
/span></b> [Xen-users] Regarding :-GPU pass through and VGA pass through<br=
> </font> <br><meta http-equiv=3D"x-dns-prefetch-control" content=3D"off"><=
div id=3D"yiv698284738"><div>Hi, </div><div>&nbsp;</div><div>I am using GTX=
480/590 Nvidia graphics card as per my discussion with "Nvidia
 support team" </div><div>doesn't support&nbsp; VT-d pass through for&nbsp;=
&nbsp;GTX480/590</div><div>&nbsp;</div><div>I have the following query:-</d=
iv>=0A<div>1-&gt;Is GPU pass through and VGA pass through same ?&nbsp;</div=
><div>2-&gt;if different in that case can i use GPU pass through for GTX 48=
0/590.&nbsp;<br></div><div>Thanks,</div><div>Akhilesh </div>=0A</div><meta =
http-equiv=3D"x-dns-prefetch-control" content=3D"on"><br>__________________=
_____________________________<br>Xen-users mailing list<br><a ymailto=3D"ma=
ilto:Xen-users@lists.xensource.com" href=3D"mailto:Xen-users@lists.xensourc=
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Date: Mon, 5 Dec 2011 11:56:21 +0000 (GMT)
From: David TECHER <davidtecher@yahoo.fr>
To: akhilesh kumar <akhipatel@gmail.com>,
	"Xen-users@lists.xensource.com" <Xen-users@lists.xensource.com>
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Hi=0A=0AI've got a GTX 460 SE EVGA 1024 M and it works for VT-d using Windo=
ws XP as domU. or Ubuntu Lucid as domU=0A=0A=0AI can not give your any info=
rmation for GPU because I do not try.=0A=0A=0AHowever I do not have a GTX 4=
80.=0A=0AFor NVidia, you need to patch Xen in order to supporting Vt-d.. I =
maintain the last patches - as much as I can - for Xen VGA Nvidia=0A=0AHave=
 a look at =0A=0A=0Ahttp://xen.1045712.n5.nabble.com/Patches-for-Xen-VGa-Pa=
ss-Through-NVIDIA-for-staging-revision-gt-24232-td5025232.html=0A=0ASo you =
need to extract the "VGA BIOS" using nvtools.=0A=0ADownload Xen sources et =
compil in tools=0A=0A=0Arev=3D24354;hg clone -r $rev http://xenbits.xensour=
ce.com/staging/xen-unstable.hg/ xen-unstable.hg-rev-${rev}=0Acd xen-unstabl=
e.hg-rev-${rev}/tools=0Amake -j4 && make clean=0Acd ..=0A=0A=0AApply the pa=
tchs=0A=0Awget -q http://www.davidgis.fr/download/xen-4.2_rev24232_gfx-pass=
through-patchs.tar.bz2=0A=0Atar xjf /xen-4.2_rev24232_gfx-passthrough-patch=
s.tar.bz2for file in $(ls=A0 xen-4.2_rev24232_gfx-passthrough-patchs/*);do =
patch -p1 < $file;done=0A=0ACopy your vgabios et rename it to vgabios-pt.bi=
n=0A=0A=0Acp <your_vgabios.rom> tools/firmware/vgabios/vgabios-pt.bin=0A=0A=
=0Amake -j4 xen tools stubdom =0A=0Amake -j4 install-xen && make -j4 instal=
l-tools PYTHON_PREFIX_ARG=3D && make -j4 install-stubdom =0A=0A=0A=0A=0A=0A=
=0A________________________________=0A De=A0: akhilesh kumar <akhipatel@gma=
il.com>=0A=C0=A0: Xen-users@lists.xensource.com =0AEnvoy=E9 le : Lundi 5 D=
=E9cembre 2011 7h44=0AObjet=A0: [Xen-users] Regarding :-GPU pass through an=
d VGA pass through=0A =0A=0AHi, =0A=A0=0AI am using GTX480/590 Nvidia graph=
ics card as per my discussion with "Nvidia support team" =0Adoesn't support=
=A0 VT-d pass through for=A0=A0GTX480/590=0A=A0=0AI have the following quer=
y:-=0A1->Is GPU pass through and VGA pass through same ?=A0=0A2->if differe=
nt in that case can i use GPU pass through for GTX 480/590.=A0=0A=0AThanks,=
=0AAkhilesh =0A_______________________________________________=0AXen-users =
mailing list=0AXen-users@lists.xensource.com=0Ahttp://lists.xensource.com/x=
en-users
--1260217059-225465447-1323086181=:75051
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<html><body><div style=3D"color:#000; background-color:#fff; font-family:ti=
mes new roman, new york, times, serif;font-size:12pt"><div><span>Hi</span><=
/div><div><br><span></span></div><div><span>I've got a GTX 460 SE EVGA 1024=
 M and it works for VT-d using Windows XP as domU. or Ubuntu Lucid as domU<=
br></span></div><div><br><span></span></div><div><span>I can not give your =
any information for GPU because I do not try.<br></span></div><div><span><b=
r></span></div><div><span>However I do not have a GTX 480.</span></div><div=
><br><span></span></div><div><span>For NVidia, you need to patch Xen in ord=
er to supporting Vt-d.. I maintain the last patches - as much as I can - fo=
r Xen VGA Nvidia</span></div><div><br><span></span></div><div><span>Have a =
look at
 <br></span></div><div><br><span></span></div><div><span>http://xen.1045712=
.n5.nabble.com/Patches-for-Xen-VGa-Pass-Through-NVIDIA-for-staging-revision=
-gt-24232-td5025232.html</span></div><div><br><span></span></div><div><span=
>So you need to extract the "VGA BIOS" using nvtools.</span></div><div><br>=
<span></span></div><div><span>Download Xen sources et compil in tools<br></=
span></div><div><br><span></span></div><div><span>rev=3D<span class=3D"bold=
 highlight search-highlight">24354</span>;hg clone -r $rev http://<span cla=
ss=3D"bold highlight search-highlight">xenbits</span>.<span class=3D"bold h=
ighlight search-highlight">xensource</span>.com/staging/<span class=3D"bold=
 highlight search-highlight">xen</span>-unstable.hg/ <span class=3D"bold hi=
ghlight search-highlight">xen</span>-unstable.hg-rev-${rev}</span></div><di=
v><span>cd <span class=3D"bold highlight search-highlight">xen</span>-unsta=
ble.hg-rev-${rev}/tools</span></div><div><span>make -j4 &amp;&amp; make
 clean<br>cd ..<br></span></div><div><br></div><div><span>Apply the patchs<=
br><br>wget -q http://www.davidgis.fr/download/xen-4.2_rev24232_gfx-passthr=
ough-patchs.tar.bz2<br></span></div><div>tar xjf <span>/xen-4.2_rev24232_gf=
x-passthrough-patchs.tar.bz2</span></div><span>for file in $(ls&nbsp; xen-4=
.2_rev24232_gfx-passthrough-patchs/*);do patch -p1 &lt; $file;done</span><d=
iv><br></div><div>Copy your vgabios et rename it to vgabios-pt.bin<br></div=
><div><br></div><div>cp &lt;your_vgabios.rom&gt; tools/firmware/vgabios/vga=
bios-pt.bin<br></div><div><br></div><div>make -j4 xen tools stubdom <br></d=
iv><div>make -j4 install-xen &amp;&amp; make -j4 install-tools PYTHON_PREFI=
X_ARG=3D &amp;&amp; make -j4 install-stubdom=0A</div><div><br><span></span>=
</div><div><span><br></span></div><div><br><span></span></div><div><span></=
span></div><div><br></div>  <div style=3D"font-family: times new roman, new=
 york, times, serif; font-size: 12pt;"> <div style=3D"font-family: times ne=
w roman, new york, times, serif; font-size: 12pt;"> <font face=3D"Arial" si=
ze=3D"2"> <hr size=3D"1">  <b><span style=3D"font-weight:bold;">De&nbsp;:</=
span></b> akhilesh kumar &lt;akhipatel@gmail.com&gt;<br> <b><span style=3D"=
font-weight: bold;">=C0&nbsp;:</span></b> Xen-users@lists.xensource.com <br=
> <b><span style=3D"font-weight: bold;">Envoy=E9 le :</span></b> Lundi 5 D=
=E9cembre 2011 7h44<br> <b><span style=3D"font-weight: bold;">Objet&nbsp;:<=
/span></b> [Xen-users] Regarding :-GPU pass through and VGA pass through<br=
> </font> <br><meta http-equiv=3D"x-dns-prefetch-control" content=3D"off"><=
div id=3D"yiv698284738"><div>Hi, </div><div>&nbsp;</div><div>I am using GTX=
480/590 Nvidia graphics card as per my discussion with "Nvidia
 support team" </div><div>doesn't support&nbsp; VT-d pass through for&nbsp;=
&nbsp;GTX480/590</div><div>&nbsp;</div><div>I have the following query:-</d=
iv>=0A<div>1-&gt;Is GPU pass through and VGA pass through same ?&nbsp;</div=
><div>2-&gt;if different in that case can i use GPU pass through for GTX 48=
0/590.&nbsp;<br></div><div>Thanks,</div><div>Akhilesh </div>=0A</div><meta =
http-equiv=3D"x-dns-prefetch-control" content=3D"on"><br>__________________=
_____________________________<br>Xen-users mailing list<br><a ymailto=3D"ma=
ilto:Xen-users@lists.xensource.com" href=3D"mailto:Xen-users@lists.xensourc=
e.com">Xen-users@lists.xensource.com</a><br><a href=3D"http://lists.xensour=
ce.com/xen-users" target=3D"_blank">http://lists.xensource.com/xen-users</a=
><br><br> </div> </div>  </div></body></html>
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On Mon December 5 2011, 10:49:19 AM, Flavio wrote:
> Why don't try to setup suse directly as a PV guest? I think it would be
> better. I tried to do it, but I don't know what to do after the first
> reboot (the end of the setup
> that requires a reboot).

Sorry. The net is full of methods that worked for 'them' and not for 'me', and 
some that work for both. I have no interest in exploring those methods. 
Theoretically, you can install xen in your hvm domu, reboot with a menu.lst 
stanza of the kernel xen/ module / module form (probably using kernel-xen), 
and use Yast to install a pv domu of a suse flavor. It will be slow as hell, 
but that sort of simple nested virtualization (pv inside an hvm) has been done 
(by Pasi or Fajar, or old timer Mark Williamson - I forget which). The only 
sure pv install method for a beginner is the distro's own install method. The 
rest of the methods require some time, effort & experience to help figure out 
what went wrong.

One thought I have though: I'm not exactly sure what you mean by what to do 
after the first reboot. Suse does a kexec reload of the installer to get from 
the beginning of the install to the last configuration part. It does not 
require doing another 'xl create ...' - it just reloads it without ever losing 
the vnc window. However, after the install is over, and you *want* to reboot, 
are you saying you don't have a pv config file to xl create with?

If so, there is a trick that was posted last month (Konrad, 11/10): While your 
install routine is running, you can get the config for the domu with 'virsh 
dumpxml domname >out-file', and then 'virsh  domxml-to-native xen-xm out-file' 
to get a domu config. Or, with a little shell syntax magic, you can do it all 
in one step (as root):

virsh  domxml-to-native xen-xm =(virsh dumpxml domname)

Then, it's *probably* as simple as removing any kernel= / ramdisk= lines, and 
putting in a "bootloader='/usr/bin/pygrub'" line, check your disk= line for 
correctness (no cdrom), and maybe add an extra= line. (Although, there is 
nothing an extra= line can do that editing your menu.lst can't do.)

_______________________________________________
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On Mon December 5 2011, 10:49:19 AM, Flavio wrote:
> Why don't try to setup suse directly as a PV guest? I think it would be
> better. I tried to do it, but I don't know what to do after the first
> reboot (the end of the setup
> that requires a reboot).

Sorry. The net is full of methods that worked for 'them' and not for 'me', and 
some that work for both. I have no interest in exploring those methods. 
Theoretically, you can install xen in your hvm domu, reboot with a menu.lst 
stanza of the kernel xen/ module / module form (probably using kernel-xen), 
and use Yast to install a pv domu of a suse flavor. It will be slow as hell, 
but that sort of simple nested virtualization (pv inside an hvm) has been done 
(by Pasi or Fajar, or old timer Mark Williamson - I forget which). The only 
sure pv install method for a beginner is the distro's own install method. The 
rest of the methods require some time, effort & experience to help figure out 
what went wrong.

One thought I have though: I'm not exactly sure what you mean by what to do 
after the first reboot. Suse does a kexec reload of the installer to get from 
the beginning of the install to the last configuration part. It does not 
require doing another 'xl create ...' - it just reloads it without ever losing 
the vnc window. However, after the install is over, and you *want* to reboot, 
are you saying you don't have a pv config file to xl create with?

If so, there is a trick that was posted last month (Konrad, 11/10): While your 
install routine is running, you can get the config for the domu with 'virsh 
dumpxml domname >out-file', and then 'virsh  domxml-to-native xen-xm out-file' 
to get a domu config. Or, with a little shell syntax magic, you can do it all 
in one step (as root):

virsh  domxml-to-native xen-xm =(virsh dumpxml domname)

Then, it's *probably* as simple as removing any kernel= / ramdisk= lines, and 
putting in a "bootloader='/usr/bin/pygrub'" line, check your disk= line for 
correctness (no cdrom), and maybe add an extra= line. (Although, there is 
nothing an extra= line can do that editing your menu.lst can't do.)

_______________________________________________
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http://lists.xensource.com/xen-users

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Subject: Re: [Xen-users] OpenSuse 11 hvm domU: screen resolution up to
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On 5 December 2011 17:18, jim burns <jim_burn@bellsouth.net> wrote:
> The only
> sure pv install method for a beginner is the distro's own install method. The
> rest of the methods require some time, effort & experience to help figure out
> what went wrong.
Yes, and actually I was using the distro's own install method to setup
a PV domU.

> However, after the install is over, and you *want* to reboot,
> are you saying you don't have a pv config file to xl create with?
I am saying that I have a pv config file but if I answer Y to the
reboot request at the
end of the installation, that is very slow as you said, the domU reboots but
the setup process start again, like if it was the first install, not
detecting that
it has to finish the setup which required the reboot!
This is the config file I use to start the first install:

name="OpenSuse11"
memory=1024
disk = ['phy:/dev/loop0,hdc:cdrom,r','file:/mnt/xen/vmstore/opensuse11/opensuse11.img,xvda,w'
]
vif = [ 'type=ioemu, mac=00:16:3e:00:00:21, bridge=xenbr0' ]
vfb = [ "type=vnc,vncunused=1,vnclisten=0.0.0.0,keymap=it" ]
stdvga=1
videoram=16
#bootloader = "/usr/bin/pygrub"
kernel = "/mnt/xen/kernel/opensuse/vmlinuz-xen"
ramdisk = "/mnt/xen/kernel/opensuse/initrd-xen"
vcpus=1
on_reboot = 'restart'
on_crash = 'destroy'
#usbdevice='tablet'
#extra = 'xencons=tty'
extra = 'noapic ssh=1 sshpassword=lolrofl addswap=/dev/xvda2
install=http://192.168.1.100/suse11/'

Of course at http://192.168.1.100/suse11/ location the Suse DVD iso
image is mounted as loop.

Once the domU has rebooted, it asks again to ssh the domU and proceed
with the OS installation.
At this point I interrupt, since I don't want to perform again another
installation over the one I've
just done.

> Then, it's *probably* as simple as removing any kernel= / ramdisk= lines, and
> putting in a "bootloader='/usr/bin/pygrub'" line, check your disk= line for
> correctness (no cdrom), and maybe add an extra= line. (Although, there is
> nothing an extra= line can do that editing your menu.lst can't do.)

Of course, I've also tried to uncomment the bootloader line and comment the
two following, but it doesn't work.
The domU doesn't start.

-- 
Flavio

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Date: Mon, 5 Dec 2011 17:30:39 +0100
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On 5 December 2011 17:18, jim burns <jim_burn@bellsouth.net> wrote:
> The only
> sure pv install method for a beginner is the distro's own install method. The
> rest of the methods require some time, effort & experience to help figure out
> what went wrong.
Yes, and actually I was using the distro's own install method to setup
a PV domU.

> However, after the install is over, and you *want* to reboot,
> are you saying you don't have a pv config file to xl create with?
I am saying that I have a pv config file but if I answer Y to the
reboot request at the
end of the installation, that is very slow as you said, the domU reboots but
the setup process start again, like if it was the first install, not
detecting that
it has to finish the setup which required the reboot!
This is the config file I use to start the first install:

name="OpenSuse11"
memory=1024
disk = ['phy:/dev/loop0,hdc:cdrom,r','file:/mnt/xen/vmstore/opensuse11/opensuse11.img,xvda,w'
]
vif = [ 'type=ioemu, mac=00:16:3e:00:00:21, bridge=xenbr0' ]
vfb = [ "type=vnc,vncunused=1,vnclisten=0.0.0.0,keymap=it" ]
stdvga=1
videoram=16
#bootloader = "/usr/bin/pygrub"
kernel = "/mnt/xen/kernel/opensuse/vmlinuz-xen"
ramdisk = "/mnt/xen/kernel/opensuse/initrd-xen"
vcpus=1
on_reboot = 'restart'
on_crash = 'destroy'
#usbdevice='tablet'
#extra = 'xencons=tty'
extra = 'noapic ssh=1 sshpassword=lolrofl addswap=/dev/xvda2
install=http://192.168.1.100/suse11/'

Of course at http://192.168.1.100/suse11/ location the Suse DVD iso
image is mounted as loop.

Once the domU has rebooted, it asks again to ssh the domU and proceed
with the OS installation.
At this point I interrupt, since I don't want to perform again another
installation over the one I've
just done.

> Then, it's *probably* as simple as removing any kernel= / ramdisk= lines, and
> putting in a "bootloader='/usr/bin/pygrub'" line, check your disk= line for
> correctness (no cdrom), and maybe add an extra= line. (Although, there is
> nothing an extra= line can do that editing your menu.lst can't do.)

Of course, I've also tried to uncomment the bootloader line and comment the
two following, but it doesn't work.
The domU doesn't start.

-- 
Flavio

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Hi all,

 

I have a server with IntelR 82576 Dual-Port Gigabit Ethernet . When I try to
use vlan with xcp 1.1 and openvswitch  I can't reach any host on vlan.
Does anyone suggest me how to fix this problem with IntelR 82576 and
openvswitch?

 

Regards

 

Simone Cariani

 

 

 


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lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US>I have a server with Intel&reg; 82576 Dual-Port Gigabit =
Ethernet . When I try to use vlan with xcp 1.1 and openvswitch &nbsp;I =
can&#8217;t reach any host on vlan. &nbsp;&nbsp;Does anyone suggest me =
how to fix this problem with Intel&reg; 82576 and =
openvswitch?<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal><span =
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Hi all,

 

I have a server with IntelR 82576 Dual-Port Gigabit Ethernet . When I try to
use vlan with xcp 1.1 and openvswitch  I can't reach any host on vlan.
Does anyone suggest me how to fix this problem with IntelR 82576 and
openvswitch?

 

Regards

 

Simone Cariani

 

 

 


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From: jim burns <jim_burn@bellsouth.net>
To: Flavio <fbcyborg@gmail.com>
Date: Mon, 05 Dec 2011 12:16:54 -0500
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Subject: Re: [Xen-users] [Bulk] Re: OpenSuse 11 hvm domU: screen resolution
	up to 640x480
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On Mon December 5 2011, 5:30:39 PM, Flavio wrote:
> On 5 December 2011 17:18, jim burns <jim_burn@bellsouth.net> wrote:
> > The only
> > sure pv install method for a beginner is the distro's own install
> > method. The rest of the methods require some time, effort & experience
> > to help figure out what went wrong.
> 
> Yes, and actually I was using the distro's own install method to setup
> a PV domU.
No, I mean using a suse dom0 to install a suse pv domu (or a fedora dom0 to 
install a fedora domu, etc.) This is because only the distro in question (suse 
here) knows about the layout of their own install disk, and knows how to run 
the install for you without hiccups, like this. Since you are using a gentoo 
dom0, you are out of luck, trying to install a suse domu.

> > However, after the install is over, and you *want* to reboot,
> > are you saying you don't have a pv config file to xl create with?
> 
> I am saying that I have a pv config file but if I answer Y to the
> reboot request at the
> end of the installation, that is very slow as you said, the domU reboots but
> the setup process start again, like if it was the first install, not
> detecting that
> it has to finish the setup which required the reboot!
> This is the config file I use to start the first install:
> 
> name="OpenSuse11"
> memory=1024
> disk =
> ['phy:/dev/loop0,hdc:cdrom,r','file:/mnt/xen/vmstore/opensuse11/opensuse11.
> img,xvda,w' ]
> vif = [ 'type=ioemu, mac=00:16:3e:00:00:21, bridge=xenbr0' ]
> vfb = [ "type=vnc,vncunused=1,vnclisten=0.0.0.0,keymap=it" ]
> stdvga=1
> videoram=16
> #bootloader = "/usr/bin/pygrub"
> kernel = "/mnt/xen/kernel/opensuse/vmlinuz-xen"
> ramdisk = "/mnt/xen/kernel/opensuse/initrd-xen"
> vcpus=1
> on_reboot = 'restart'
> on_crash = 'destroy'
> #usbdevice='tablet'
> #extra = 'xencons=tty'
> extra = 'noapic ssh=1 sshpassword=lolrofl addswap=/dev/xvda2
> install=http://192.168.1.100/suse11/'
> 
> Of course at http://192.168.1.100/suse11/ location the Suse DVD iso
> image is mounted as loop.
> 
> Once the domU has rebooted, it asks again to ssh the domU and proceed
> with the OS installation.
> At this point I interrupt, since I don't want to perform again another
> installation over the one I've
> just done.
> 
> > Then, it's *probably* as simple as removing any kernel= / ramdisk=
> > lines, and putting in a "bootloader='/usr/bin/pygrub'" line, check your
> > disk= line for correctness (no cdrom), and maybe add an extra= line.
> > (Although, there is nothing an extra= line can do that editing your
> > menu.lst can't do.)
> Of course, I've also tried to uncomment the bootloader line and comment the
> two following, but it doesn't work.
> The domU doesn't start.

Again, back to guessing here, since I don't have Gentoo: First, I don't think 
the 'phy:/dev/loop0,hdc:cdrom,r' part of the disk= line is doing anything. Pv 
domus don't understand cdroms. The install= line, and your loop mount of the 
dvd is telling gentoo where your install media is. (Similarly, stdvga= and 
videoram= are hvm options, and will be ignored.)

Here's my guess: after replacing kernel / ramdisk with bootloader, also 
comment out the install= line. That's probably telling gentoo to restart. If 
that doesn't work, I can't help you with this method, but I'll keep working on 
the hvm to pv conversion approach.

_______________________________________________
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To: Flavio <fbcyborg@gmail.com>
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On Mon December 5 2011, 5:30:39 PM, Flavio wrote:
> On 5 December 2011 17:18, jim burns <jim_burn@bellsouth.net> wrote:
> > The only
> > sure pv install method for a beginner is the distro's own install
> > method. The rest of the methods require some time, effort & experience
> > to help figure out what went wrong.
> 
> Yes, and actually I was using the distro's own install method to setup
> a PV domU.
No, I mean using a suse dom0 to install a suse pv domu (or a fedora dom0 to 
install a fedora domu, etc.) This is because only the distro in question (suse 
here) knows about the layout of their own install disk, and knows how to run 
the install for you without hiccups, like this. Since you are using a gentoo 
dom0, you are out of luck, trying to install a suse domu.

> > However, after the install is over, and you *want* to reboot,
> > are you saying you don't have a pv config file to xl create with?
> 
> I am saying that I have a pv config file but if I answer Y to the
> reboot request at the
> end of the installation, that is very slow as you said, the domU reboots but
> the setup process start again, like if it was the first install, not
> detecting that
> it has to finish the setup which required the reboot!
> This is the config file I use to start the first install:
> 
> name="OpenSuse11"
> memory=1024
> disk =
> ['phy:/dev/loop0,hdc:cdrom,r','file:/mnt/xen/vmstore/opensuse11/opensuse11.
> img,xvda,w' ]
> vif = [ 'type=ioemu, mac=00:16:3e:00:00:21, bridge=xenbr0' ]
> vfb = [ "type=vnc,vncunused=1,vnclisten=0.0.0.0,keymap=it" ]
> stdvga=1
> videoram=16
> #bootloader = "/usr/bin/pygrub"
> kernel = "/mnt/xen/kernel/opensuse/vmlinuz-xen"
> ramdisk = "/mnt/xen/kernel/opensuse/initrd-xen"
> vcpus=1
> on_reboot = 'restart'
> on_crash = 'destroy'
> #usbdevice='tablet'
> #extra = 'xencons=tty'
> extra = 'noapic ssh=1 sshpassword=lolrofl addswap=/dev/xvda2
> install=http://192.168.1.100/suse11/'
> 
> Of course at http://192.168.1.100/suse11/ location the Suse DVD iso
> image is mounted as loop.
> 
> Once the domU has rebooted, it asks again to ssh the domU and proceed
> with the OS installation.
> At this point I interrupt, since I don't want to perform again another
> installation over the one I've
> just done.
> 
> > Then, it's *probably* as simple as removing any kernel= / ramdisk=
> > lines, and putting in a "bootloader='/usr/bin/pygrub'" line, check your
> > disk= line for correctness (no cdrom), and maybe add an extra= line.
> > (Although, there is nothing an extra= line can do that editing your
> > menu.lst can't do.)
> Of course, I've also tried to uncomment the bootloader line and comment the
> two following, but it doesn't work.
> The domU doesn't start.

Again, back to guessing here, since I don't have Gentoo: First, I don't think 
the 'phy:/dev/loop0,hdc:cdrom,r' part of the disk= line is doing anything. Pv 
domus don't understand cdroms. The install= line, and your loop mount of the 
dvd is telling gentoo where your install media is. (Similarly, stdvga= and 
videoram= are hvm options, and will be ignored.)

Here's my guess: after replacing kernel / ramdisk with bootloader, also 
comment out the install= line. That's probably telling gentoo to restart. If 
that doesn't work, I can't help you with this method, but I'll keep working on 
the hvm to pv conversion approach.

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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From: Flavio <fbcyborg@gmail.com>
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Subject: Re: [Xen-users] [Bulk] Re: OpenSuse 11 hvm domU: screen resolution
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On 5 December 2011 18:16, jim burns <jim_burn@bellsouth.net> wrote:
> No, I mean using a suse dom0 to install a suse pv domu (or a fedora dom0 to
> install a fedora domu, etc.) This is because only the distro in question (suse
> here) knows about the layout of their own install disk, and knows how to run
> the install for you without hiccups, like this. Since you are using a gentoo
> dom0, you are out of luck, trying to install a suse domu.
Ah, OK, well. I did understand now. You are right. Maybe I could find some
instruction to build a suse pv domU for a suse dom0, hopefully.

> Again, back to guessing here, since I don't have Gentoo: First, I don't think
> the 'phy:/dev/loop0,hdc:cdrom,r' part of the disk= line is doing anything.
No, actually, it doesn't do anything, but even if I remove it, nothing changes.

> Pv
> domus don't understand cdroms.
Ok, right. My fault, even I'm pretty sure to have seen that on some tutorial.

> The install= line, and your loop mount of the
> dvd is telling gentoo where your install media is. (Similarly, stdvga= and
> videoram= are hvm options, and will be ignored.)
Yes, and it actually works, in order to start the setup process. That was clear
enough to me.

>
> Here's my guess: after replacing kernel / ramdisk with bootloader, also
> comment out the install= line. That's probably telling gentoo to restart.
Yes, I forgot to tell you that I've also removed that line, but nothing changed.

> If
> that doesn't work, I can't help you with this method, but I'll keep working on
> the hvm to pv conversion approach.
Thanks a lot, I appreciate your effort a lot.

Sincerely,
-- 
Flavio

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From: Flavio <fbcyborg@gmail.com>
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Cc: xen-users@lists.xensource.com, "Fajar A. Nugraha" <list@fajar.net>
Subject: Re: [Xen-users] [Bulk] Re: OpenSuse 11 hvm domU: screen resolution
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On 5 December 2011 18:16, jim burns <jim_burn@bellsouth.net> wrote:
> No, I mean using a suse dom0 to install a suse pv domu (or a fedora dom0 to
> install a fedora domu, etc.) This is because only the distro in question (suse
> here) knows about the layout of their own install disk, and knows how to run
> the install for you without hiccups, like this. Since you are using a gentoo
> dom0, you are out of luck, trying to install a suse domu.
Ah, OK, well. I did understand now. You are right. Maybe I could find some
instruction to build a suse pv domU for a suse dom0, hopefully.

> Again, back to guessing here, since I don't have Gentoo: First, I don't think
> the 'phy:/dev/loop0,hdc:cdrom,r' part of the disk= line is doing anything.
No, actually, it doesn't do anything, but even if I remove it, nothing changes.

> Pv
> domus don't understand cdroms.
Ok, right. My fault, even I'm pretty sure to have seen that on some tutorial.

> The install= line, and your loop mount of the
> dvd is telling gentoo where your install media is. (Similarly, stdvga= and
> videoram= are hvm options, and will be ignored.)
Yes, and it actually works, in order to start the setup process. That was clear
enough to me.

>
> Here's my guess: after replacing kernel / ramdisk with bootloader, also
> comment out the install= line. That's probably telling gentoo to restart.
Yes, I forgot to tell you that I've also removed that line, but nothing changed.

> If
> that doesn't work, I can't help you with this method, but I'll keep working on
> the hvm to pv conversion approach.
Thanks a lot, I appreciate your effort a lot.

Sincerely,
-- 
Flavio

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>>How is network performance in general? For example doing a UNC based
copy to and 
>>from the guest from a box not in the pool? 

>I had the same thought. It seems fine. I haven't done any scientific
testing,
>but my ad-hoc file copies from/to a few different locations seem
entirely normal.


>>Also the "disabletaskoffloading" registry tweak mentioned here
>>http://www.xenappblog.com/2010/citrix-xenserver-slow-network-performan
ce/ 
>>Might be worth a shot ......

This seemed to fix it. My ad-hoc file copies don't seem any different
either way, but for some reason sending raw data to the printer was
badly affected without this tweak.

>What about that other fix mentioned on your link?  "Disable CheckSum
Offload". Is that
>applicable to XCP, using XenTools drivers?

Still curious about running that script to disable checksum on all of
the interfaces. Should I do this, or wait and see if I have more network
performance concerns?






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>>How is network performance in general? For example doing a UNC based
copy to and 
>>from the guest from a box not in the pool? 

>I had the same thought. It seems fine. I haven't done any scientific
testing,
>but my ad-hoc file copies from/to a few different locations seem
entirely normal.


>>Also the "disabletaskoffloading" registry tweak mentioned here
>>http://www.xenappblog.com/2010/citrix-xenserver-slow-network-performan
ce/ 
>>Might be worth a shot ......

This seemed to fix it. My ad-hoc file copies don't seem any different
either way, but for some reason sending raw data to the printer was
badly affected without this tweak.

>What about that other fix mentioned on your link?  "Disable CheckSum
Offload". Is that
>applicable to XCP, using XenTools drivers?

Still curious about running that script to disable checksum on all of
the interfaces. Should I do this, or wait and see if I have more network
performance concerns?






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My initial thought is "if it isnt broken, don't fix it" but others might
have a different opinion.
On Dec 5, 2011 3:59 PM, "Brett Westover" <bwestover@pletter.com> wrote:

> >>How is network performance in general? For example doing a UNC based
> copy to and
> >>from the guest from a box not in the pool?
>
> >I had the same thought. It seems fine. I haven't done any scientific
> testing,
> >but my ad-hoc file copies from/to a few different locations seem
> entirely normal.
>
>
> >>Also the "disabletaskoffloading" registry tweak mentioned here
> >>http://www.xenappblog.com/2010/citrix-xenserver-slow-network-performan
> ce/
> >>Might be worth a shot ......
>
> This seemed to fix it. My ad-hoc file copies don't seem any different
> either way, but for some reason sending raw data to the printer was
> badly affected without this tweak.
>
> >What about that other fix mentioned on your link?  "Disable CheckSum
> Offload". Is that
> >applicable to XCP, using XenTools drivers?
>
> Still curious about running that script to disable checksum on all of
> the interfaces. Should I do this, or wait and see if I have more network
> performance concerns?
>
>
>
>
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>

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<p>My initial thought is &quot;if it isnt broken, don&#39;t fix it&quot; bu=
t others might have a different opinion. </p>
<div class=3D"gmail_quote">On Dec 5, 2011 3:59 PM, &quot;Brett Westover&quo=
t; &lt;<a href=3D"mailto:bwestover@pletter.com">bwestover@pletter.com</a>&g=
t; wrote:<br type=3D"attribution"><blockquote class=3D"gmail_quote" style=
=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
&gt;&gt;How is network performance in general? For example doing a UNC base=
d<br>
copy to and<br>
&gt;&gt;from the guest from a box not in the pool?<br>
<br>
&gt;I had the same thought. It seems fine. I haven&#39;t done any scientifi=
c<br>
testing,<br>
&gt;but my ad-hoc file copies from/to a few different locations seem<br>
entirely normal.<br>
<br>
<br>
&gt;&gt;Also the &quot;disabletaskoffloading&quot; registry tweak mentioned=
 here<br>
&gt;&gt;<a href=3D"http://www.xenappblog.com/2010/citrix-xenserver-slow-net=
work-performan
ce/" target=3D"_blank">http://www.xenappblog.com/2010/citrix-xenserver-slow=
-network-performan<br>
ce/</a><br>
&gt;&gt;Might be worth a shot ......<br>
<br>
This seemed to fix it. My ad-hoc file copies don&#39;t seem any different<b=
r>
either way, but for some reason sending raw data to the printer was<br>
badly affected without this tweak.<br>
<br>
&gt;What about that other fix mentioned on your link? =A0&quot;Disable Chec=
kSum<br>
Offload&quot;. Is that<br>
&gt;applicable to XCP, using XenTools drivers?<br>
<br>
Still curious about running that script to disable checksum on all of<br>
the interfaces. Should I do this, or wait and see if I have more network<br=
>
performance concerns?<br>
<br>
<br>
<br>
<br>
<br>
<br>
_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.=
com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br>
</blockquote></div>

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From: Christopher J Petrolino <cpetrolino@gmail.com>
To: Brett Westover <bwestover@pletter.com>
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] [XCP] Slow Printing
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My initial thought is "if it isnt broken, don't fix it" but others might
have a different opinion.
On Dec 5, 2011 3:59 PM, "Brett Westover" <bwestover@pletter.com> wrote:

> >>How is network performance in general? For example doing a UNC based
> copy to and
> >>from the guest from a box not in the pool?
>
> >I had the same thought. It seems fine. I haven't done any scientific
> testing,
> >but my ad-hoc file copies from/to a few different locations seem
> entirely normal.
>
>
> >>Also the "disabletaskoffloading" registry tweak mentioned here
> >>http://www.xenappblog.com/2010/citrix-xenserver-slow-network-performan
> ce/
> >>Might be worth a shot ......
>
> This seemed to fix it. My ad-hoc file copies don't seem any different
> either way, but for some reason sending raw data to the printer was
> badly affected without this tweak.
>
> >What about that other fix mentioned on your link?  "Disable CheckSum
> Offload". Is that
> >applicable to XCP, using XenTools drivers?
>
> Still curious about running that script to disable checksum on all of
> the interfaces. Should I do this, or wait and see if I have more network
> performance concerns?
>
>
>
>
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>

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<p>My initial thought is &quot;if it isnt broken, don&#39;t fix it&quot; bu=
t others might have a different opinion. </p>
<div class=3D"gmail_quote">On Dec 5, 2011 3:59 PM, &quot;Brett Westover&quo=
t; &lt;<a href=3D"mailto:bwestover@pletter.com">bwestover@pletter.com</a>&g=
t; wrote:<br type=3D"attribution"><blockquote class=3D"gmail_quote" style=
=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
&gt;&gt;How is network performance in general? For example doing a UNC base=
d<br>
copy to and<br>
&gt;&gt;from the guest from a box not in the pool?<br>
<br>
&gt;I had the same thought. It seems fine. I haven&#39;t done any scientifi=
c<br>
testing,<br>
&gt;but my ad-hoc file copies from/to a few different locations seem<br>
entirely normal.<br>
<br>
<br>
&gt;&gt;Also the &quot;disabletaskoffloading&quot; registry tweak mentioned=
 here<br>
&gt;&gt;<a href=3D"http://www.xenappblog.com/2010/citrix-xenserver-slow-net=
work-performan
ce/" target=3D"_blank">http://www.xenappblog.com/2010/citrix-xenserver-slow=
-network-performan<br>
ce/</a><br>
&gt;&gt;Might be worth a shot ......<br>
<br>
This seemed to fix it. My ad-hoc file copies don&#39;t seem any different<b=
r>
either way, but for some reason sending raw data to the printer was<br>
badly affected without this tweak.<br>
<br>
&gt;What about that other fix mentioned on your link? =A0&quot;Disable Chec=
kSum<br>
Offload&quot;. Is that<br>
&gt;applicable to XCP, using XenTools drivers?<br>
<br>
Still curious about running that script to disable checksum on all of<br>
the interfaces. Should I do this, or wait and see if I have more network<br=
>
performance concerns?<br>
<br>
<br>
<br>
<br>
<br>
<br>
_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.=
com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br>
</blockquote></div>

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Subject: [Xen-users] Windows HVM DomU support
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I trying to get a windows DomU guest to boot and run.  I am running
xen4.1.1 using a Linux kernel 3.1-rc4 from kernel.org that I built for
Dom0.  This works great and I can even run a 3.1-rc4 kernel (separately
built) as a DomU guest.  I am NOT using anything but console display in
that everything appears on my terminal in vga mode.  Now I want to run a
windows HVM DomU guest.  I have a fully bootable/runable windows
partition on another disk on this machine so I was using that.  I have
set up my Xen configuration file as listed in the xmexample.hvm file.  I
have listed this below.  =20

=20

I am using xl toolstack and it worked with the linux DomU guest.  When I
start this up with xl, it works correctly with some messages and then
prints "Daemon running with PID 2545" and returns to the Dom0 prompt.  I
can do 'xl list' and see my new DomU working - for a while.  Then I get
a message on the terminal that says:

=20

[x.y] vif vif-5-0: 2 reading script

=20

and now the DomU guest is gone.  The only relevant log file that I can
find (/var/log/xen/qemu-dm-XPDomain1.log) does not list any problems.
My questions are what else do I need configure to get some display and
(more importantly) how do I go about debugging problems like this?

=20

Thank you in advance.

=20

xen_config_file:

#  -*- mode: python; -*-

#=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
=3D=3D=3D=3D=3D

# Python configuration setup for 'xm create'.

# This script sets the parameters used when a domain is created using
'xm create'.

# You use a separate script for each domain you want to create, or=20

# you can set the parameters for the domain on the xm command line.

#=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
=3D=3D=3D=3D=3D

=20

#-----------------------------------------------------------------------
-----

# Kernel image file.

kernel =3D "/usr/lib/xen/boot/hvmloader"

=20

# The domain build function. Default is 'linux'.

builder=3D'hvm'

=20

# Initial memory allocation (in megabytes) for the new domain.

memory =3D 1024

=20

# A name for your domain. All domains must have different names.

name =3D "XPDomain1"

=20

# Define network interfaces.

vif =3D [ 'type=3Dioemu, bridge=3Dxenbr0' ]

=20

# vnc and other display options

vnc =3D 1

sdl=3D0

stdvga=3D0

opengl=3D1

boot=3D"dc"

vncconsole=3D1

vncpasswd=3D''

serial=3D'pty'

tsc_mode=3D0

=20

#-----------------------------------------------------------------------
-----

# Define the disk devices you want the domain to have access to, and

# what you want them accessible as.

# Each disk entry is of the form phy:UNAME,DEV,MODE

# where UNAME is the device, DEV is the device name the domain will see,

# and MODE is r for read-only, w for read-write.

disk =3D ['tap:aio:/dev/sda1,ioemu:hda,w']

=20

#-----------------------------------------------------------------------
-----

# Define frame buffer device.

#

# By default, no frame buffer device is configured.

#

# To create one using the SDL backend and sensible defaults:

#

# vfb =3D [ 'sdl=3D1' ]

#

# This uses environment variables XAUTHORITY and DISPLAY.  You

# can override that:

#

# vfb =3D [ 'sdl=3D1,xauthority=3D/home/bozo/.Xauthority,display=3D:1' ]

#

# To create one using the VNC backend and sensible defaults:

#

# vfb =3D [ 'vnc=3D1' ]

#

# The backend listens on 127.0.0.1 port 5900+N by default, where N is

# the domain ID.  You can override both address and N:

#

# vfb =3D [ 'vnc=3D1,vnclisten=3D127.0.0.1,vncdisplay=3D1' ]

#

# Or you can bind the first unused port above 5900:

#

# vfb =3D [ 'vnc=3D1,vnclisten=3D0.0.0.0,vncunused=3D1' ]

#

# You can override the password:

#

# vfb =3D [ 'vnc=3D1,vncpasswd=3DMYPASSWD' ]

#

# Empty password disables authentication.  Defaults to the vncpasswd

# configured in xend-config.sxp.

=20

# Set if you want dhcp to allocate the IP address.

dhcp=3D"dhcp"

=20

# Set root device.

root =3D "/dev/xvdb1 ro"

=20

# Sets runlevel 4. - probably not needed for windows

extra =3D "4 earlyprintk=3Dxen console=3Dhvc0"

=20

=20

=20

Jeff Mason

Principal Engineer

CPU Technology

1500 Kansas Ave, Suite 3D

Longmont, CO 80501

720-204-6361

jmason@cputech.com

=20


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<div class=3DSection1>

<p class=3DMsoNormal>I trying to get a windows DomU guest to boot and =
run.&nbsp;
I am running xen4.1.1 using a Linux kernel 3.1-rc4 from kernel.org that =
I built
for Dom0.&nbsp; This works great and I can even run a 3.1-rc4 kernel
(separately built) as a DomU guest.&nbsp; I am NOT using anything but =
console
display in that everything appears on my terminal in vga mode.&nbsp; Now =
I want
to run a windows HVM DomU guest.&nbsp; I have a fully bootable/runable =
windows
partition on another disk on this machine so I was using that.&nbsp; I =
have set
up my Xen configuration file as listed in the xmexample.hvm file.&nbsp; =
I have
listed this below.&nbsp;&nbsp; <o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>I am using xl toolstack and it worked with the =
linux DomU
guest.&nbsp; When I start this up with xl, it works correctly with some
messages and then prints &quot;Daemon running with PID 2545&quot; and =
returns
to the Dom0 prompt.&nbsp; I can do 'xl list' and see my new DomU working =
- for
a while.&nbsp; Then I get a message on the terminal that =
says:<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>[x.y] vif vif-5-0: 2 reading script<o:p></o:p></p>

<p class=3DMsoNormal>&nbsp;<o:p></o:p></p>

<p class=3DMsoNormal>and now the DomU guest is gone.&nbsp; The only =
relevant log
file that I can find (/var/log/xen/qemu-dm-XPDomain1.log) does not list =
any
problems. &nbsp;&nbsp;My questions are what else do I need configure to =
get
some display and (more importantly) how do I go about debugging problems =
like
this?<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>Thank you in advance.<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>xen_config_file:<o:p></o:p></p>

<p class=3DMsoNormal>#&nbsp; -*- mode: python; -*-<o:p></o:p></p>

<p =
class=3DMsoNormal>#=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D<o:p></o:p></p>

<p class=3DMsoNormal># Python configuration setup for 'xm =
create'.<o:p></o:p></p>

<p class=3DMsoNormal># This script sets the parameters used when a =
domain is
created using 'xm create'.<o:p></o:p></p>

<p class=3DMsoNormal># You use a separate script for each domain you =
want to
create, or <o:p></o:p></p>

<p class=3DMsoNormal># you can set the parameters for the domain on the =
xm
command line.<o:p></o:p></p>

<p =
class=3DMsoNormal>#=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p =
class=3DMsoNormal>#------------------------------------------------------=
----------------------<o:p></o:p></p>

<p class=3DMsoNormal># Kernel image file.<o:p></o:p></p>

<p class=3DMsoNormal>kernel =3D =
&quot;/usr/lib/xen/boot/hvmloader&quot;<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal># The domain build function. Default is =
'linux'.<o:p></o:p></p>

<p class=3DMsoNormal>builder=3D'hvm'<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal># Initial memory allocation (in megabytes) for the =
new
domain.<o:p></o:p></p>

<p class=3DMsoNormal>memory =3D 1024<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal># A name for your domain. All domains must have =
different
names.<o:p></o:p></p>

<p class=3DMsoNormal>name =3D &quot;XPDomain1&quot;<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal># Define network interfaces.<o:p></o:p></p>

<p class=3DMsoNormal>vif =3D [ 'type=3Dioemu, bridge=3Dxenbr0' =
]<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal># vnc and other display options<o:p></o:p></p>

<p class=3DMsoNormal>vnc =3D 1<o:p></o:p></p>

<p class=3DMsoNormal>sdl=3D0<o:p></o:p></p>

<p class=3DMsoNormal>stdvga=3D0<o:p></o:p></p>

<p class=3DMsoNormal>opengl=3D1<o:p></o:p></p>

<p class=3DMsoNormal>boot=3D&quot;dc&quot;<o:p></o:p></p>

<p class=3DMsoNormal>vncconsole=3D1<o:p></o:p></p>

<p class=3DMsoNormal>vncpasswd=3D''<o:p></o:p></p>

<p class=3DMsoNormal>serial=3D'pty'<o:p></o:p></p>

<p class=3DMsoNormal>tsc_mode=3D0<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p =
class=3DMsoNormal>#------------------------------------------------------=
----------------------<o:p></o:p></p>

<p class=3DMsoNormal># Define the disk devices you want the domain to =
have access
to, and<o:p></o:p></p>

<p class=3DMsoNormal># what you want them accessible as.<o:p></o:p></p>

<p class=3DMsoNormal># Each disk entry is of the form =
phy:UNAME,DEV,MODE<o:p></o:p></p>

<p class=3DMsoNormal># where UNAME is the device, DEV is the device name =
the
domain will see,<o:p></o:p></p>

<p class=3DMsoNormal># and MODE is r for read-only, w for =
read-write.<o:p></o:p></p>

<p class=3DMsoNormal>disk =3D =
['tap:aio:/dev/sda1,ioemu:hda,w']<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p =
class=3DMsoNormal>#------------------------------------------------------=
----------------------<o:p></o:p></p>

<p class=3DMsoNormal># Define frame buffer device.<o:p></o:p></p>

<p class=3DMsoNormal>#<o:p></o:p></p>

<p class=3DMsoNormal># By default, no frame buffer device is =
configured.<o:p></o:p></p>

<p class=3DMsoNormal>#<o:p></o:p></p>

<p class=3DMsoNormal># To create one using the SDL backend and sensible =
defaults:<o:p></o:p></p>

<p class=3DMsoNormal>#<o:p></o:p></p>

<p class=3DMsoNormal># vfb =3D [ 'sdl=3D1' ]<o:p></o:p></p>

<p class=3DMsoNormal>#<o:p></o:p></p>

<p class=3DMsoNormal># This uses environment variables XAUTHORITY and
DISPLAY.&nbsp; You<o:p></o:p></p>

<p class=3DMsoNormal># can override that:<o:p></o:p></p>

<p class=3DMsoNormal>#<o:p></o:p></p>

<p class=3DMsoNormal># vfb =3D [
'sdl=3D1,xauthority=3D/home/bozo/.Xauthority,display=3D:1' =
]<o:p></o:p></p>

<p class=3DMsoNormal>#<o:p></o:p></p>

<p class=3DMsoNormal># To create one using the VNC backend and sensible =
defaults:<o:p></o:p></p>

<p class=3DMsoNormal>#<o:p></o:p></p>

<p class=3DMsoNormal># vfb =3D [ 'vnc=3D1' ]<o:p></o:p></p>

<p class=3DMsoNormal>#<o:p></o:p></p>

<p class=3DMsoNormal># The backend listens on 127.0.0.1 port 5900+N by =
default,
where N is<o:p></o:p></p>

<p class=3DMsoNormal># the domain ID.&nbsp; You can override both =
address and N:<o:p></o:p></p>

<p class=3DMsoNormal>#<o:p></o:p></p>

<p class=3DMsoNormal># vfb =3D [ =
'vnc=3D1,vnclisten=3D127.0.0.1,vncdisplay=3D1' ]<o:p></o:p></p>

<p class=3DMsoNormal>#<o:p></o:p></p>

<p class=3DMsoNormal># Or you can bind the first unused port above =
5900:<o:p></o:p></p>

<p class=3DMsoNormal>#<o:p></o:p></p>

<p class=3DMsoNormal># vfb =3D [ =
'vnc=3D1,vnclisten=3D0.0.0.0,vncunused=3D1' ]<o:p></o:p></p>

<p class=3DMsoNormal>#<o:p></o:p></p>

<p class=3DMsoNormal># You can override the password:<o:p></o:p></p>

<p class=3DMsoNormal>#<o:p></o:p></p>

<p class=3DMsoNormal># vfb =3D [ 'vnc=3D1,vncpasswd=3DMYPASSWD' =
]<o:p></o:p></p>

<p class=3DMsoNormal>#<o:p></o:p></p>

<p class=3DMsoNormal># Empty password disables authentication.&nbsp; =
Defaults to
the vncpasswd<o:p></o:p></p>

<p class=3DMsoNormal># configured in xend-config.sxp.<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal># Set if you want dhcp to allocate the IP =
address.<o:p></o:p></p>

<p class=3DMsoNormal>dhcp=3D&quot;dhcp&quot;<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal># Set root device.<o:p></o:p></p>

<p class=3DMsoNormal>root =3D &quot;/dev/xvdb1 ro&quot;<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal># Sets runlevel 4. - probably not needed for =
windows<o:p></o:p></p>

<p class=3DMsoNormal>extra =3D &quot;4 earlyprintk=3Dxen =
console=3Dhvc0&quot;<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>Jeff Mason<o:p></o:p></p>

<p class=3DMsoNormal>Principal Engineer<o:p></o:p></p>

<p class=3DMsoNormal>CPU Technology<o:p></o:p></p>

<p class=3DMsoNormal>1500 Kansas Ave, Suite 3D<o:p></o:p></p>

<p class=3DMsoNormal>Longmont, CO 80501<o:p></o:p></p>

<p class=3DMsoNormal>720-204-6361<o:p></o:p></p>

<p class=3DMsoNormal>jmason@cputech.com<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

</div>

</body>

</html>

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Subject: [Xen-users] Windows HVM DomU support
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I trying to get a windows DomU guest to boot and run.  I am running
xen4.1.1 using a Linux kernel 3.1-rc4 from kernel.org that I built for
Dom0.  This works great and I can even run a 3.1-rc4 kernel (separately
built) as a DomU guest.  I am NOT using anything but console display in
that everything appears on my terminal in vga mode.  Now I want to run a
windows HVM DomU guest.  I have a fully bootable/runable windows
partition on another disk on this machine so I was using that.  I have
set up my Xen configuration file as listed in the xmexample.hvm file.  I
have listed this below.  =20

=20

I am using xl toolstack and it worked with the linux DomU guest.  When I
start this up with xl, it works correctly with some messages and then
prints "Daemon running with PID 2545" and returns to the Dom0 prompt.  I
can do 'xl list' and see my new DomU working - for a while.  Then I get
a message on the terminal that says:

=20

[x.y] vif vif-5-0: 2 reading script

=20

and now the DomU guest is gone.  The only relevant log file that I can
find (/var/log/xen/qemu-dm-XPDomain1.log) does not list any problems.
My questions are what else do I need configure to get some display and
(more importantly) how do I go about debugging problems like this?

=20

Thank you in advance.

=20

xen_config_file:

#  -*- mode: python; -*-

#=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
=3D=3D=3D=3D=3D

# Python configuration setup for 'xm create'.

# This script sets the parameters used when a domain is created using
'xm create'.

# You use a separate script for each domain you want to create, or=20

# you can set the parameters for the domain on the xm command line.

#=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
=3D=3D=3D=3D=3D

=20

#-----------------------------------------------------------------------
-----

# Kernel image file.

kernel =3D "/usr/lib/xen/boot/hvmloader"

=20

# The domain build function. Default is 'linux'.

builder=3D'hvm'

=20

# Initial memory allocation (in megabytes) for the new domain.

memory =3D 1024

=20

# A name for your domain. All domains must have different names.

name =3D "XPDomain1"

=20

# Define network interfaces.

vif =3D [ 'type=3Dioemu, bridge=3Dxenbr0' ]

=20

# vnc and other display options

vnc =3D 1

sdl=3D0

stdvga=3D0

opengl=3D1

boot=3D"dc"

vncconsole=3D1

vncpasswd=3D''

serial=3D'pty'

tsc_mode=3D0

=20

#-----------------------------------------------------------------------
-----

# Define the disk devices you want the domain to have access to, and

# what you want them accessible as.

# Each disk entry is of the form phy:UNAME,DEV,MODE

# where UNAME is the device, DEV is the device name the domain will see,

# and MODE is r for read-only, w for read-write.

disk =3D ['tap:aio:/dev/sda1,ioemu:hda,w']

=20

#-----------------------------------------------------------------------
-----

# Define frame buffer device.

#

# By default, no frame buffer device is configured.

#

# To create one using the SDL backend and sensible defaults:

#

# vfb =3D [ 'sdl=3D1' ]

#

# This uses environment variables XAUTHORITY and DISPLAY.  You

# can override that:

#

# vfb =3D [ 'sdl=3D1,xauthority=3D/home/bozo/.Xauthority,display=3D:1' ]

#

# To create one using the VNC backend and sensible defaults:

#

# vfb =3D [ 'vnc=3D1' ]

#

# The backend listens on 127.0.0.1 port 5900+N by default, where N is

# the domain ID.  You can override both address and N:

#

# vfb =3D [ 'vnc=3D1,vnclisten=3D127.0.0.1,vncdisplay=3D1' ]

#

# Or you can bind the first unused port above 5900:

#

# vfb =3D [ 'vnc=3D1,vnclisten=3D0.0.0.0,vncunused=3D1' ]

#

# You can override the password:

#

# vfb =3D [ 'vnc=3D1,vncpasswd=3DMYPASSWD' ]

#

# Empty password disables authentication.  Defaults to the vncpasswd

# configured in xend-config.sxp.

=20

# Set if you want dhcp to allocate the IP address.

dhcp=3D"dhcp"

=20

# Set root device.

root =3D "/dev/xvdb1 ro"

=20

# Sets runlevel 4. - probably not needed for windows

extra =3D "4 earlyprintk=3Dxen console=3Dhvc0"

=20

=20

=20

Jeff Mason

Principal Engineer

CPU Technology

1500 Kansas Ave, Suite 3D

Longmont, CO 80501

720-204-6361

jmason@cputech.com

=20


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<div class=3DSection1>

<p class=3DMsoNormal>I trying to get a windows DomU guest to boot and =
run.&nbsp;
I am running xen4.1.1 using a Linux kernel 3.1-rc4 from kernel.org that =
I built
for Dom0.&nbsp; This works great and I can even run a 3.1-rc4 kernel
(separately built) as a DomU guest.&nbsp; I am NOT using anything but =
console
display in that everything appears on my terminal in vga mode.&nbsp; Now =
I want
to run a windows HVM DomU guest.&nbsp; I have a fully bootable/runable =
windows
partition on another disk on this machine so I was using that.&nbsp; I =
have set
up my Xen configuration file as listed in the xmexample.hvm file.&nbsp; =
I have
listed this below.&nbsp;&nbsp; <o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>I am using xl toolstack and it worked with the =
linux DomU
guest.&nbsp; When I start this up with xl, it works correctly with some
messages and then prints &quot;Daemon running with PID 2545&quot; and =
returns
to the Dom0 prompt.&nbsp; I can do 'xl list' and see my new DomU working =
- for
a while.&nbsp; Then I get a message on the terminal that =
says:<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>[x.y] vif vif-5-0: 2 reading script<o:p></o:p></p>

<p class=3DMsoNormal>&nbsp;<o:p></o:p></p>

<p class=3DMsoNormal>and now the DomU guest is gone.&nbsp; The only =
relevant log
file that I can find (/var/log/xen/qemu-dm-XPDomain1.log) does not list =
any
problems. &nbsp;&nbsp;My questions are what else do I need configure to =
get
some display and (more importantly) how do I go about debugging problems =
like
this?<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>Thank you in advance.<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>xen_config_file:<o:p></o:p></p>

<p class=3DMsoNormal>#&nbsp; -*- mode: python; -*-<o:p></o:p></p>

<p =
class=3DMsoNormal>#=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D<o:p></o:p></p>

<p class=3DMsoNormal># Python configuration setup for 'xm =
create'.<o:p></o:p></p>

<p class=3DMsoNormal># This script sets the parameters used when a =
domain is
created using 'xm create'.<o:p></o:p></p>

<p class=3DMsoNormal># You use a separate script for each domain you =
want to
create, or <o:p></o:p></p>

<p class=3DMsoNormal># you can set the parameters for the domain on the =
xm
command line.<o:p></o:p></p>

<p =
class=3DMsoNormal>#=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p =
class=3DMsoNormal>#------------------------------------------------------=
----------------------<o:p></o:p></p>

<p class=3DMsoNormal># Kernel image file.<o:p></o:p></p>

<p class=3DMsoNormal>kernel =3D =
&quot;/usr/lib/xen/boot/hvmloader&quot;<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal># The domain build function. Default is =
'linux'.<o:p></o:p></p>

<p class=3DMsoNormal>builder=3D'hvm'<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal># Initial memory allocation (in megabytes) for the =
new
domain.<o:p></o:p></p>

<p class=3DMsoNormal>memory =3D 1024<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal># A name for your domain. All domains must have =
different
names.<o:p></o:p></p>

<p class=3DMsoNormal>name =3D &quot;XPDomain1&quot;<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal># Define network interfaces.<o:p></o:p></p>

<p class=3DMsoNormal>vif =3D [ 'type=3Dioemu, bridge=3Dxenbr0' =
]<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal># vnc and other display options<o:p></o:p></p>

<p class=3DMsoNormal>vnc =3D 1<o:p></o:p></p>

<p class=3DMsoNormal>sdl=3D0<o:p></o:p></p>

<p class=3DMsoNormal>stdvga=3D0<o:p></o:p></p>

<p class=3DMsoNormal>opengl=3D1<o:p></o:p></p>

<p class=3DMsoNormal>boot=3D&quot;dc&quot;<o:p></o:p></p>

<p class=3DMsoNormal>vncconsole=3D1<o:p></o:p></p>

<p class=3DMsoNormal>vncpasswd=3D''<o:p></o:p></p>

<p class=3DMsoNormal>serial=3D'pty'<o:p></o:p></p>

<p class=3DMsoNormal>tsc_mode=3D0<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p =
class=3DMsoNormal>#------------------------------------------------------=
----------------------<o:p></o:p></p>

<p class=3DMsoNormal># Define the disk devices you want the domain to =
have access
to, and<o:p></o:p></p>

<p class=3DMsoNormal># what you want them accessible as.<o:p></o:p></p>

<p class=3DMsoNormal># Each disk entry is of the form =
phy:UNAME,DEV,MODE<o:p></o:p></p>

<p class=3DMsoNormal># where UNAME is the device, DEV is the device name =
the
domain will see,<o:p></o:p></p>

<p class=3DMsoNormal># and MODE is r for read-only, w for =
read-write.<o:p></o:p></p>

<p class=3DMsoNormal>disk =3D =
['tap:aio:/dev/sda1,ioemu:hda,w']<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p =
class=3DMsoNormal>#------------------------------------------------------=
----------------------<o:p></o:p></p>

<p class=3DMsoNormal># Define frame buffer device.<o:p></o:p></p>

<p class=3DMsoNormal>#<o:p></o:p></p>

<p class=3DMsoNormal># By default, no frame buffer device is =
configured.<o:p></o:p></p>

<p class=3DMsoNormal>#<o:p></o:p></p>

<p class=3DMsoNormal># To create one using the SDL backend and sensible =
defaults:<o:p></o:p></p>

<p class=3DMsoNormal>#<o:p></o:p></p>

<p class=3DMsoNormal># vfb =3D [ 'sdl=3D1' ]<o:p></o:p></p>

<p class=3DMsoNormal>#<o:p></o:p></p>

<p class=3DMsoNormal># This uses environment variables XAUTHORITY and
DISPLAY.&nbsp; You<o:p></o:p></p>

<p class=3DMsoNormal># can override that:<o:p></o:p></p>

<p class=3DMsoNormal>#<o:p></o:p></p>

<p class=3DMsoNormal># vfb =3D [
'sdl=3D1,xauthority=3D/home/bozo/.Xauthority,display=3D:1' =
]<o:p></o:p></p>

<p class=3DMsoNormal>#<o:p></o:p></p>

<p class=3DMsoNormal># To create one using the VNC backend and sensible =
defaults:<o:p></o:p></p>

<p class=3DMsoNormal>#<o:p></o:p></p>

<p class=3DMsoNormal># vfb =3D [ 'vnc=3D1' ]<o:p></o:p></p>

<p class=3DMsoNormal>#<o:p></o:p></p>

<p class=3DMsoNormal># The backend listens on 127.0.0.1 port 5900+N by =
default,
where N is<o:p></o:p></p>

<p class=3DMsoNormal># the domain ID.&nbsp; You can override both =
address and N:<o:p></o:p></p>

<p class=3DMsoNormal>#<o:p></o:p></p>

<p class=3DMsoNormal># vfb =3D [ =
'vnc=3D1,vnclisten=3D127.0.0.1,vncdisplay=3D1' ]<o:p></o:p></p>

<p class=3DMsoNormal>#<o:p></o:p></p>

<p class=3DMsoNormal># Or you can bind the first unused port above =
5900:<o:p></o:p></p>

<p class=3DMsoNormal>#<o:p></o:p></p>

<p class=3DMsoNormal># vfb =3D [ =
'vnc=3D1,vnclisten=3D0.0.0.0,vncunused=3D1' ]<o:p></o:p></p>

<p class=3DMsoNormal>#<o:p></o:p></p>

<p class=3DMsoNormal># You can override the password:<o:p></o:p></p>

<p class=3DMsoNormal>#<o:p></o:p></p>

<p class=3DMsoNormal># vfb =3D [ 'vnc=3D1,vncpasswd=3DMYPASSWD' =
]<o:p></o:p></p>

<p class=3DMsoNormal>#<o:p></o:p></p>

<p class=3DMsoNormal># Empty password disables authentication.&nbsp; =
Defaults to
the vncpasswd<o:p></o:p></p>

<p class=3DMsoNormal># configured in xend-config.sxp.<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal># Set if you want dhcp to allocate the IP =
address.<o:p></o:p></p>

<p class=3DMsoNormal>dhcp=3D&quot;dhcp&quot;<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal># Set root device.<o:p></o:p></p>

<p class=3DMsoNormal>root =3D &quot;/dev/xvdb1 ro&quot;<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal># Sets runlevel 4. - probably not needed for =
windows<o:p></o:p></p>

<p class=3DMsoNormal>extra =3D &quot;4 earlyprintk=3Dxen =
console=3Dhvc0&quot;<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>Jeff Mason<o:p></o:p></p>

<p class=3DMsoNormal>Principal Engineer<o:p></o:p></p>

<p class=3DMsoNormal>CPU Technology<o:p></o:p></p>

<p class=3DMsoNormal>1500 Kansas Ave, Suite 3D<o:p></o:p></p>

<p class=3DMsoNormal>Longmont, CO 80501<o:p></o:p></p>

<p class=3DMsoNormal>720-204-6361<o:p></o:p></p>

<p class=3DMsoNormal>jmason@cputech.com<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

</div>

</body>

</html>

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From: Jason Thomas <jethomas100@gmail.com>
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Subject: [Xen-users] Xen Memory Management
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I understand that for HVM guests the Xen hypervisor creates shadow pages to
monitor each guest's memory usage. Does the Dom0 have direct access to
these memory spaces or does it just issue hypercalls to do the memory
management? Does the Dom0 know about the memory mapping or just the Xen
hypervisor? For example, Dom0 must have the ability to copy these pages for
guest relocation, but does it do this copying of memory space through the
Xen VMM (hypercalls) or is there any direct access by the Dom0?

Jason

--20cf307f30c460ce8d04b31dc093
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I understand that for HVM guests the Xen hypervisor creates shadow pages to=
 monitor each guest&#39;s memory usage. Does the Dom0 have direct access to=
 these memory spaces or does it just issue hypercalls to do the memory mana=
gement? Does the Dom0 know about the memory mapping or just the Xen hypervi=
sor? For example, Dom0 must have the ability to copy these pages for guest =
relocation, but does it do this copying of memory space through the Xen VMM=
 (hypercalls) or is there any direct access by the Dom0? <br>
<br>Jason<br>

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I understand that for HVM guests the Xen hypervisor creates shadow pages to
monitor each guest's memory usage. Does the Dom0 have direct access to
these memory spaces or does it just issue hypercalls to do the memory
management? Does the Dom0 know about the memory mapping or just the Xen
hypervisor? For example, Dom0 must have the ability to copy these pages for
guest relocation, but does it do this copying of memory space through the
Xen VMM (hypercalls) or is there any direct access by the Dom0?

Jason

--20cf307f30c460ce8d04b31dc093
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I understand that for HVM guests the Xen hypervisor creates shadow pages to=
 monitor each guest&#39;s memory usage. Does the Dom0 have direct access to=
 these memory spaces or does it just issue hypercalls to do the memory mana=
gement? Does the Dom0 know about the memory mapping or just the Xen hypervi=
sor? For example, Dom0 must have the ability to copy these pages for guest =
relocation, but does it do this copying of memory space through the Xen VMM=
 (hypercalls) or is there any direct access by the Dom0? <br>
<br>Jason<br>

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Is there any nightly build, dev build, morning build of XCP 1.5?
I saw a message mentioning "end of September", what happened to this
release? What is the delay and what does the schedule looks like?

--f46d0408d473e91c8a04b371d683
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Is there any nightly build, dev build, morning build of XCP 1.5?<br>I saw a message mentioning &quot;end of September&quot;, what happened to this release? What is the delay and what does the schedule looks like?<br>

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Is there any nightly build, dev build, morning build of XCP 1.5?
I saw a message mentioning "end of September", what happened to this
release? What is the delay and what does the schedule looks like?

--f46d0408d473e91c8a04b371d683
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Is there any nightly build, dev build, morning build of XCP 1.5?<br>I saw a message mentioning &quot;end of September&quot;, what happened to this release? What is the delay and what does the schedule looks like?<br>

--f46d0408d473e91c8a04b371d683--


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From xen-users-bounces@lists.xensource.com Tue Dec 06 20:26:16 2011
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Hi all,

I tried to follow the instruction on README. After 'make' and 'make  
install', I did update-grub and got this error message:

dpkg: version '/boot/xen.gz' has bad syntax: invalid character in  
version number

I searched online but couldn't find a satisfactory answer to this  
issue. Does anyone know how to resolve my problem?

Thanks!

-Jack


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Hi all,

I tried to follow the instruction on README. After 'make' and 'make  
install', I did update-grub and got this error message:

dpkg: version '/boot/xen.gz' has bad syntax: invalid character in  
version number

I searched online but couldn't find a satisfactory answer to this  
issue. Does anyone know how to resolve my problem?

Thanks!

-Jack


_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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	<201112061619.56224.tobias.geiger@vido.info>
Message-ID: <1323210509.34541.YahooMailNeo@web29813.mail.ird.yahoo.com>
Date: Tue, 6 Dec 2011 22:28:29 +0000 (GMT)
From: David TECHER <davidtecher@yahoo.fr>
To: "Tobias Geiger \[via Xen\]" <ml-node+s1045712n5052398h36@n5.nabble.com>
In-Reply-To: <201112061619.56224.tobias.geiger@vido.info>
MIME-Version: 1.0
Cc: Xen <xen-users@lists.xensource.com>
Subject: [Xen-users] Re : Re : Re : Re : Re : Re : Re : Re : Re : Re:
	Patches for VGA-Passthrough XEN 4.2 unstable
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Tobias,=0A=0AWhen I restart my domU, my domU freezes (the boot screen of Wi=
ndows XP is frozen with blue progression bar). Only my dom0 is available.=
=0A=0ADavid.=0A=0A=0A=0A________________________________=0A De=A0: Tobias G=
eiger [via Xen] <ml-node+s1045712n5052398h36@n5.nabble.com>=0A=C0=A0: David=
 TECHER <davidtecher@yahoo.fr> =0AEnvoy=E9 le : Mardi 6 D=E9cembre 2011 16h=
21=0AObjet=A0: Re: Re : Re : Re : Re : Re : Re : Re : Re : Re: Patches for =
VGA-Passthrough XEN 4.2 unstable=0A =0A=0AHello, =0A=0Aglad to hear it work=
s for you! =0A=0AAs i run a similar setup, perhaps you can share your exper=
ience regarding =0ADomU-Reboot with a VGA Card passed through to it: Does a=
 reboot work, i.e. =0Adoes the passed-through VGA Card work after a DomU re=
boot? =0A=0AMy hole System (DomU + Dom0) freezes after a reboot of DomU (ex=
aclty then, =0Awhen the passed-through VGA Card is accessed...), therefore =
the question. =0A=0AThanks for your info! =0AGreetings =0ATobias =0A=0AAm D=
ienstag, 6. Dezember 2011, 14:57:30 schrieb David TECHER: =0A=0A> Hi =0A> =
=0A> Thanks for these informations. I am on Debian. So it could be usefull =
for =0A> Ubuntu users. =0A> =0A> Thanks. =0A> =0A> David =0A> =0A> =0A> =0A=
> ________________________________ =0A> =A0De : n4rC0t1C <[hidden email]> =
=0A> =C0 : [hidden email] =0A> Envoy=E9 le : Mardi 6 D=E9cembre 2011 13h04 =
=0A> Objet : Re: [Xen-devel] Re : Re : Re : Re : Re : Re : Re : Re: Patches=
 for =0A> VGA-Passthrough XEN 4.2 unstable =0A> =0A> Iep I used your last p=
atches, (your website it's at the top of my =0A> bookmarks), and they apply=
 to xen-unstable rev. 24341 as well (which i'm =0A> using). =0A> =0A> I for=
got to mention that I had to make a couple of fix to xen tree, cause =0A> i=
t wasn't compiling on my system due to =A0"error: format not a string =0A> =
literal and no format arguments": =0A> =0A> =0A> --- /usr/src/xen-unstable.=
hg-rev-24341-460gtx/tools/libxl/libxl_create.c =0A> +++ /usr/src/xen-unstab=
le.hg-rev-24341-460gtx/tools/libxl/libxl_create.c =0A> @@ -462,7 +462,7 @@ =
=0A> =A0 =A0 =A0path =3D libxl__xs_libxl_path(gc, domid); =0A> =A0 =A0 =A0p=
ath =3D libxl__sprintf(gc, "%s/dm-version", path); =0A> =A0 =A0 =A0return l=
ibxl__xs_write(gc, XBT_NULL, path, libxl__strdup(gc, =0A> - =A0 =A0 =0A> li=
bxl_device_model_version_to_string(dm_info->device_model_version))); =0A> +=
 =A0 =A0 =0A> libxl_device_model_version_to_string(dm_info->device_model_ve=
rsion)),"%s"); =0A> } =0A> =0A> static int do_domain_create(libxl__gc *gc, =
libxl_domain_config *d_config, =0A> =0A> =0A> --- /usr/src/xen-unstable.hg-=
rev-24341-460gtx/tools/libxl/libxl_device.c =0A> +++ /usr/src/xen-unstable.=
hg-rev-24341-460gtx/tools/libxl/libxl_device.c =0A> @@ -516,7 +516,7 @@ =0A=
> =A0 =A0 =A0 =A0 =A0for (j =3D 0; j < num_devs; j++) { =0A> =A0 =A0 =A0 =
=A0 =A0 =A0 =A0path =3D libxl__sprintf(gc, =0A> "/local/domain/%d/device/%s=
/%s/backend", =0A> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0domid, kinds[i], devs[j]); =0A> - =A0 =A0 =A0 =A0 =A0 =A0pat=
h =3D libxl__xs_read(gc, XBT_NULL, libxl__sprintf(gc, path)); =0A> + =A0 =
=A0 =A0 =A0 =A0 =A0path =3D libxl__xs_read(gc, XBT_NULL, libxl__sprintf(gc,=
 =0A> path,"%s")); =0A> =A0 =A0 =A0 =A0 =A0 =A0 =A0if (path && libxl__parse=
_backend_path(gc, path, &dev) =3D=3D 0) { =0A> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0dev.domid =3D domid; =0A> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0dev.kin=
d =3D kind; =0A> =0A> and an due to an argument missing: =0A> =0A> --- /usr=
/src/xen-unstable.hg-rev-24341-460gtx/tools/libxl/libxl_dom.c =0A> +++ /usr=
/src/xen-unstable.hg-rev-24341-460gtx/tools/libxl/libxl_dom.c =0A> @@ -625,=
7 +625,7 @@ =0A> =A0 =A0 =A0 =A0 =A0break; =0A> =A0 =A0 =A0} =0A> =A0 =A0 =
=A0case LIBXL_DEVICE_MODEL_VERSION_QEMU_XEN: =0A> - =A0 =A0 =A0 =A0fd2 =3D =
open(filename, O_WRONLY | O_CREAT | O_TRUNC); =0A> + =A0 =A0 =A0 =A0fd2 =3D=
 open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0644); =0A> =A0 =A0 =A0 =A0 =
=A0if (fd2 < 0) { =0A> =A0 =A0 =A0 =A0 =A0 =A0 =A0LIBXL__LOG_ERRNO(ctx, LIB=
XL__LOG_ERROR, =0A> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=
 =A0 "Unable to create a QEMU save file\n"); =0A> =0A> As far as I know tho=
se doesn't break anything, but dont take too seriously, =0A> i'm not an exp=
erienced developer :) =0A> =0A> =0A> Forgot 2: =0A> Since I'm using an ubun=
tu kernel, the xen support is not integrated, but =0A> you need to add xen =
modules at your inittrd file. I did this by adding =0A> those: =0A> =0A> xe=
n-pciback passthrough=3D1 =0A> xen-blkback =0A> xenfs =0A> xen-netback =0A>=
 pci-stub =0A> =0A> to /etc/xen/initramfs-tools/modules and the issuing upd=
ate-initramfs. =0A> =0A> In the future, I'll try to boot a linux domU, righ=
t now I'm still smiling =0A> cause I can fully wipe my Windows installation=
 from the hard disk. And I'm =0A> sure that in future Win7 will be supporte=
d too. =0A> =0A> Thanks again David and everyone, =0A> Ivo =0A> =0A> -- =0A=
> View this message in context: =0A> http://xen.1045712.n5.nabble.com/Patch=
es-for-VGA-Passthrough-XEN-4-2-unsta=0A> ble-tp4406265p5051880.html Sent fr=
om the Xen - Dev mailing list archive at =0A> Nabble.com. =0A> =0A> _______=
________________________________________ =0A> Xen-devel mailing list =0A> [=
hidden email] =0A> http://lists.xensource.com/xen-devel=0A=0A______________=
_________________________________ =0AXen-devel mailing list =0A[hidden emai=
l] =0Ahttp://lists.xensource.com/xen-devel=0A=0A=0A________________________=
________=0A =0AIf you reply to this email, your message will be added to th=
e discussion below:http://xen.1045712.n5.nabble.com/Patches-for-VGA-Passthr=
ough-XEN-4-2-unstable-tp4406265p5052398.html =0ATo unsubscribe from Patches=
 for VGA-Passthrough XEN 4.2 unstable, click here.=0ANAML 
--1260217059-1148222211-1323210509=:34541
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<html><body><div style=3D"color:#000; background-color:#fff; font-family:ti=
mes new roman, new york, times, serif;font-size:12pt"><div><span>Tobias,</s=
pan></div><div><br><span></span></div><div><span>When I restart my domU, my=
 domU freezes (the boot screen of Windows XP is frozen with blue progressio=
n bar). Only my dom0 is available.</span></div><div><br><span></span></div>=
<div><span>David.</span></div><div><br></div>  <div style=3D"font-family: t=
imes new roman, new york, times, serif; font-size: 12pt;"> <div style=3D"fo=
nt-family: times new roman, new york, times, serif; font-size: 12pt;"> <fon=
t face=3D"Arial" size=3D"2"> <hr size=3D"1">  <b><span style=3D"font-weight=
:bold;">De&nbsp;:</span></b> Tobias Geiger [via Xen] &lt;ml-node+s1045712n5=
052398h36@n5.nabble.com&gt;<br> <b><span style=3D"font-weight: bold;">=C0&n=
bsp;:</span></b> David TECHER &lt;davidtecher@yahoo.fr&gt; <br> <b><span st=
yle=3D"font-weight: bold;">Envoy=E9 le :</span></b> Mardi 6 D=E9cembre 2011=
 16h21<br>
 <b><span style=3D"font-weight: bold;">Objet&nbsp;:</span></b> Re: Re : Re =
: Re : Re : Re : Re : Re : Re : Re: Patches for VGA-Passthrough XEN 4.2 uns=
table<br> </font> <br><div id=3D"yiv1323447103">=0A=0A=09Hello,=0A<br><br>g=
lad to hear it works for you!=0A<br><br>As i run a similar setup, perhaps y=
ou can share your experience regarding =0A<br>DomU-Reboot with a VGA Card p=
assed through to it: Does a reboot work, i.e. =0A<br>does the passed-throug=
h VGA Card work after a DomU reboot?=0A<br><br>My hole System (DomU + Dom0)=
 freezes after a reboot of DomU (exaclty then, =0A<br>when the passed-throu=
gh VGA Card is accessed...), therefore the question.=0A<br><br>Thanks for y=
our info!=0A<br>Greetings=0A<br>Tobias=0A<br><br>Am Dienstag, 6. Dezember 2=
011, 14:57:30 schrieb David TECHER:=0A<div class=3D"yiv1323447103shrinkable=
-quote"><br>&gt; Hi=0A<br>&gt; =0A<br>&gt; Thanks for these informations. I=
 am on Debian. So it could be usefull for=0A<br>&gt; Ubuntu users.=0A<br>&g=
t; =0A<br>&gt; Thanks.=0A<br>&gt; =0A<br>&gt; David=0A<br>&gt; =0A<br>&gt; =
=0A<br>&gt; =0A<br>&gt; ________________________________=0A<br>&gt; &nbsp;D=
e : n4rC0t1C &lt;<a rel=3D"nofollow">[hidden email]</a>&gt;=0A<br>&gt; =C0 =
: <a rel=3D"nofollow">[hidden email]</a>=0A<br>&gt; Envoy=E9 le : Mardi 6 D=
=E9cembre 2011 13h04=0A<br>&gt; Objet : Re: [Xen-devel] Re : Re : Re : Re :=
 Re : Re : Re : Re: Patches for=0A<br>&gt; VGA-Passthrough XEN 4.2 unstable=
=0A<br>&gt; =0A<br>&gt; Iep I used your last patches, (your website it's at=
 the top of my=0A<br>&gt; bookmarks), and they apply to xen-unstable rev. 2=
4341 as well (which i'm=0A<br>&gt; using).=0A<br>&gt; =0A<br>&gt; I forgot =
to mention that I had to make a couple of fix to xen tree, cause=0A<br>&gt;=
 it wasn't compiling on my system due to &nbsp;"error: format not a string=
=0A<br>&gt; literal and no format arguments":=0A<br>&gt; =0A<br>&gt; =0A<br=
>&gt; --- /usr/src/xen-unstable.hg-rev-24341-460gtx/tools/libxl/libxl_creat=
e.c=0A<br>&gt; +++ /usr/src/xen-unstable.hg-rev-24341-460gtx/tools/libxl/li=
bxl_create.c=0A<br>&gt; @@ -462,7 +462,7 @@=0A<br>&gt; &nbsp; &nbsp; &nbsp;=
path =3D libxl__xs_libxl_path(gc, domid);=0A<br>&gt; &nbsp; &nbsp; &nbsp;pa=
th =3D libxl__sprintf(gc, "%s/dm-version", path);=0A<br>&gt; &nbsp; &nbsp; =
&nbsp;return libxl__xs_write(gc, XBT_NULL, path, libxl__strdup(gc,=0A<br>&g=
t; - &nbsp; &nbsp; =0A<br>&gt; libxl_device_model_version_to_string(dm_info=
-&gt;device_model_version)));=0A<br>&gt; + &nbsp; &nbsp; =0A<br>&gt; libxl_=
device_model_version_to_string(dm_info-&gt;device_model_version)),"%s");=0A=
<br>&gt; }=0A<br>&gt; =0A<br>&gt; static int do_domain_create(libxl__gc *gc=
, libxl_domain_config *d_config,=0A<br>&gt; =0A<br>&gt; =0A<br>&gt; --- /us=
r/src/xen-unstable.hg-rev-24341-460gtx/tools/libxl/libxl_device.c=0A<br>&gt=
; +++ /usr/src/xen-unstable.hg-rev-24341-460gtx/tools/libxl/libxl_device.c=
=0A<br>&gt; @@ -516,7 +516,7 @@=0A<br>&gt; &nbsp; &nbsp; &nbsp; &nbsp; &nbs=
p;for (j =3D 0; j &lt; num_devs; j++) {=0A<br>&gt; &nbsp; &nbsp; &nbsp; &nb=
sp; &nbsp; &nbsp; &nbsp;path =3D libxl__sprintf(gc,=0A<br>&gt; "/local/doma=
in/%d/device/%s/%s/backend",=0A<br>&gt; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp=
; &nbsp; &nbsp;domid, kinds[i], devs[j]);=0A<br>&gt; - &nbsp; &nbsp; &nbsp;=
 &nbsp; &nbsp; &nbsp;path =3D libxl__xs_read(gc, XBT_NULL, libxl__sprintf(g=
c, path));=0A<br>&gt; + &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;path =3D l=
ibxl__xs_read(gc, XBT_NULL, libxl__sprintf(gc,=0A<br>&gt; path,"%s"));=0A<b=
r>&gt; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;if (path &amp;&amp; =
libxl__parse_backend_path(gc, path, &amp;dev) =3D=3D 0) {=0A<br>&gt; &nbsp;=
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;dev.domid =3D domid=
;=0A<br>&gt; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;=
dev.kind =3D kind;=0A<br>&gt; =0A<br>&gt; and an due to an argument missing=
:=0A<br>&gt; =0A<br>&gt; --- /usr/src/xen-unstable.hg-rev-24341-460gtx/tool=
s/libxl/libxl_dom.c=0A<br>&gt; +++ /usr/src/xen-unstable.hg-rev-24341-460gt=
x/tools/libxl/libxl_dom.c=0A<br>&gt; @@ -625,7 +625,7 @@=0A<br>&gt; &nbsp; =
&nbsp; &nbsp; &nbsp; &nbsp;break;=0A<br>&gt; &nbsp; &nbsp; &nbsp;}=0A<br>&g=
t; &nbsp; &nbsp; &nbsp;case LIBXL_DEVICE_MODEL_VERSION_QEMU_XEN:=0A<br>&gt;=
 - &nbsp; &nbsp; &nbsp; &nbsp;fd2 =3D open(filename, O_WRONLY | O_CREAT | O=
_TRUNC);=0A<br>&gt; + &nbsp; &nbsp; &nbsp; &nbsp;fd2 =3D open(filename, O_W=
RONLY | O_CREAT | O_TRUNC, 0644);=0A<br>&gt; &nbsp; &nbsp; &nbsp; &nbsp; &n=
bsp;if (fd2 &lt; 0) {=0A<br>&gt; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
&nbsp;LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,=0A<br>&gt; &nbsp; &nbsp; &nbs=
p; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &n=
bsp; &nbsp; "Unable to create a QEMU save file\n");=0A<br>&gt; =0A<br>&gt; =
As far as I know those doesn't break anything, but dont take too seriously,=
=0A<br>&gt; i'm not an experienced developer :)=0A<br>&gt; =0A<br>&gt; =0A<=
br>&gt; Forgot 2:=0A<br>&gt; Since I'm using an ubuntu kernel, the xen supp=
ort is not integrated, but=0A<br>&gt; you need to add xen modules at your i=
nittrd file. I did this by adding=0A<br>&gt; those:=0A<br>&gt; =0A<br>&gt; =
xen-pciback passthrough=3D1=0A<br>&gt; xen-blkback=0A<br>&gt; xenfs=0A<br>&=
gt; xen-netback=0A<br>&gt; pci-stub=0A<br>&gt; =0A<br>&gt; to /etc/xen/init=
ramfs-tools/modules and the issuing update-initramfs.=0A<br>&gt; =0A<br>&gt=
; In the future, I'll try to boot a linux domU, right now I'm still smiling=
=0A<br>&gt; cause I can fully wipe my Windows installation from the hard di=
sk. And I'm=0A<br>&gt; sure that in future Win7 will be supported too.=0A<b=
r>&gt; =0A<br>&gt; Thanks again David and everyone,=0A<br>&gt; Ivo=0A<br>&g=
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Date: Tue, 6 Dec 2011 22:28:29 +0000 (GMT)
From: David TECHER <davidtecher@yahoo.fr>
To: "Tobias Geiger \[via Xen\]" <ml-node+s1045712n5052398h36@n5.nabble.com>
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Subject: [Xen-users] Re : Re : Re : Re : Re : Re : Re : Re : Re : Re:
	Patches for VGA-Passthrough XEN 4.2 unstable
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Tobias,=0A=0AWhen I restart my domU, my domU freezes (the boot screen of Wi=
ndows XP is frozen with blue progression bar). Only my dom0 is available.=
=0A=0ADavid.=0A=0A=0A=0A________________________________=0A De=A0: Tobias G=
eiger [via Xen] <ml-node+s1045712n5052398h36@n5.nabble.com>=0A=C0=A0: David=
 TECHER <davidtecher@yahoo.fr> =0AEnvoy=E9 le : Mardi 6 D=E9cembre 2011 16h=
21=0AObjet=A0: Re: Re : Re : Re : Re : Re : Re : Re : Re : Re: Patches for =
VGA-Passthrough XEN 4.2 unstable=0A =0A=0AHello, =0A=0Aglad to hear it work=
s for you! =0A=0AAs i run a similar setup, perhaps you can share your exper=
ience regarding =0ADomU-Reboot with a VGA Card passed through to it: Does a=
 reboot work, i.e. =0Adoes the passed-through VGA Card work after a DomU re=
boot? =0A=0AMy hole System (DomU + Dom0) freezes after a reboot of DomU (ex=
aclty then, =0Awhen the passed-through VGA Card is accessed...), therefore =
the question. =0A=0AThanks for your info! =0AGreetings =0ATobias =0A=0AAm D=
ienstag, 6. Dezember 2011, 14:57:30 schrieb David TECHER: =0A=0A> Hi =0A> =
=0A> Thanks for these informations. I am on Debian. So it could be usefull =
for =0A> Ubuntu users. =0A> =0A> Thanks. =0A> =0A> David =0A> =0A> =0A> =0A=
> ________________________________ =0A> =A0De : n4rC0t1C <[hidden email]> =
=0A> =C0 : [hidden email] =0A> Envoy=E9 le : Mardi 6 D=E9cembre 2011 13h04 =
=0A> Objet : Re: [Xen-devel] Re : Re : Re : Re : Re : Re : Re : Re: Patches=
 for =0A> VGA-Passthrough XEN 4.2 unstable =0A> =0A> Iep I used your last p=
atches, (your website it's at the top of my =0A> bookmarks), and they apply=
 to xen-unstable rev. 24341 as well (which i'm =0A> using). =0A> =0A> I for=
got to mention that I had to make a couple of fix to xen tree, cause =0A> i=
t wasn't compiling on my system due to =A0"error: format not a string =0A> =
literal and no format arguments": =0A> =0A> =0A> --- /usr/src/xen-unstable.=
hg-rev-24341-460gtx/tools/libxl/libxl_create.c =0A> +++ /usr/src/xen-unstab=
le.hg-rev-24341-460gtx/tools/libxl/libxl_create.c =0A> @@ -462,7 +462,7 @@ =
=0A> =A0 =A0 =A0path =3D libxl__xs_libxl_path(gc, domid); =0A> =A0 =A0 =A0p=
ath =3D libxl__sprintf(gc, "%s/dm-version", path); =0A> =A0 =A0 =A0return l=
ibxl__xs_write(gc, XBT_NULL, path, libxl__strdup(gc, =0A> - =A0 =A0 =0A> li=
bxl_device_model_version_to_string(dm_info->device_model_version))); =0A> +=
 =A0 =A0 =0A> libxl_device_model_version_to_string(dm_info->device_model_ve=
rsion)),"%s"); =0A> } =0A> =0A> static int do_domain_create(libxl__gc *gc, =
libxl_domain_config *d_config, =0A> =0A> =0A> --- /usr/src/xen-unstable.hg-=
rev-24341-460gtx/tools/libxl/libxl_device.c =0A> +++ /usr/src/xen-unstable.=
hg-rev-24341-460gtx/tools/libxl/libxl_device.c =0A> @@ -516,7 +516,7 @@ =0A=
> =A0 =A0 =A0 =A0 =A0for (j =3D 0; j < num_devs; j++) { =0A> =A0 =A0 =A0 =
=A0 =A0 =A0 =A0path =3D libxl__sprintf(gc, =0A> "/local/domain/%d/device/%s=
/%s/backend", =0A> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0domid, kinds[i], devs[j]); =0A> - =A0 =A0 =A0 =A0 =A0 =A0pat=
h =3D libxl__xs_read(gc, XBT_NULL, libxl__sprintf(gc, path)); =0A> + =A0 =
=A0 =A0 =A0 =A0 =A0path =3D libxl__xs_read(gc, XBT_NULL, libxl__sprintf(gc,=
 =0A> path,"%s")); =0A> =A0 =A0 =A0 =A0 =A0 =A0 =A0if (path && libxl__parse=
_backend_path(gc, path, &dev) =3D=3D 0) { =0A> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0dev.domid =3D domid; =0A> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0dev.kin=
d =3D kind; =0A> =0A> and an due to an argument missing: =0A> =0A> --- /usr=
/src/xen-unstable.hg-rev-24341-460gtx/tools/libxl/libxl_dom.c =0A> +++ /usr=
/src/xen-unstable.hg-rev-24341-460gtx/tools/libxl/libxl_dom.c =0A> @@ -625,=
7 +625,7 @@ =0A> =A0 =A0 =A0 =A0 =A0break; =0A> =A0 =A0 =A0} =0A> =A0 =A0 =
=A0case LIBXL_DEVICE_MODEL_VERSION_QEMU_XEN: =0A> - =A0 =A0 =A0 =A0fd2 =3D =
open(filename, O_WRONLY | O_CREAT | O_TRUNC); =0A> + =A0 =A0 =A0 =A0fd2 =3D=
 open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0644); =0A> =A0 =A0 =A0 =A0 =
=A0if (fd2 < 0) { =0A> =A0 =A0 =A0 =A0 =A0 =A0 =A0LIBXL__LOG_ERRNO(ctx, LIB=
XL__LOG_ERROR, =0A> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=
 =A0 "Unable to create a QEMU save file\n"); =0A> =0A> As far as I know tho=
se doesn't break anything, but dont take too seriously, =0A> i'm not an exp=
erienced developer :) =0A> =0A> =0A> Forgot 2: =0A> Since I'm using an ubun=
tu kernel, the xen support is not integrated, but =0A> you need to add xen =
modules at your inittrd file. I did this by adding =0A> those: =0A> =0A> xe=
n-pciback passthrough=3D1 =0A> xen-blkback =0A> xenfs =0A> xen-netback =0A>=
 pci-stub =0A> =0A> to /etc/xen/initramfs-tools/modules and the issuing upd=
ate-initramfs. =0A> =0A> In the future, I'll try to boot a linux domU, righ=
t now I'm still smiling =0A> cause I can fully wipe my Windows installation=
 from the hard disk. And I'm =0A> sure that in future Win7 will be supporte=
d too. =0A> =0A> Thanks again David and everyone, =0A> Ivo =0A> =0A> -- =0A=
> View this message in context: =0A> http://xen.1045712.n5.nabble.com/Patch=
es-for-VGA-Passthrough-XEN-4-2-unsta=0A> ble-tp4406265p5051880.html Sent fr=
om the Xen - Dev mailing list archive at =0A> Nabble.com. =0A> =0A> _______=
________________________________________ =0A> Xen-devel mailing list =0A> [=
hidden email] =0A> http://lists.xensource.com/xen-devel=0A=0A______________=
_________________________________ =0AXen-devel mailing list =0A[hidden emai=
l] =0Ahttp://lists.xensource.com/xen-devel=0A=0A=0A________________________=
________=0A =0AIf you reply to this email, your message will be added to th=
e discussion below:http://xen.1045712.n5.nabble.com/Patches-for-VGA-Passthr=
ough-XEN-4-2-unstable-tp4406265p5052398.html =0ATo unsubscribe from Patches=
 for VGA-Passthrough XEN 4.2 unstable, click here.=0ANAML 
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<html><body><div style=3D"color:#000; background-color:#fff; font-family:ti=
mes new roman, new york, times, serif;font-size:12pt"><div><span>Tobias,</s=
pan></div><div><br><span></span></div><div><span>When I restart my domU, my=
 domU freezes (the boot screen of Windows XP is frozen with blue progressio=
n bar). Only my dom0 is available.</span></div><div><br><span></span></div>=
<div><span>David.</span></div><div><br></div>  <div style=3D"font-family: t=
imes new roman, new york, times, serif; font-size: 12pt;"> <div style=3D"fo=
nt-family: times new roman, new york, times, serif; font-size: 12pt;"> <fon=
t face=3D"Arial" size=3D"2"> <hr size=3D"1">  <b><span style=3D"font-weight=
:bold;">De&nbsp;:</span></b> Tobias Geiger [via Xen] &lt;ml-node+s1045712n5=
052398h36@n5.nabble.com&gt;<br> <b><span style=3D"font-weight: bold;">=C0&n=
bsp;:</span></b> David TECHER &lt;davidtecher@yahoo.fr&gt; <br> <b><span st=
yle=3D"font-weight: bold;">Envoy=E9 le :</span></b> Mardi 6 D=E9cembre 2011=
 16h21<br>
 <b><span style=3D"font-weight: bold;">Objet&nbsp;:</span></b> Re: Re : Re =
: Re : Re : Re : Re : Re : Re : Re: Patches for VGA-Passthrough XEN 4.2 uns=
table<br> </font> <br><div id=3D"yiv1323447103">=0A=0A=09Hello,=0A<br><br>g=
lad to hear it works for you!=0A<br><br>As i run a similar setup, perhaps y=
ou can share your experience regarding =0A<br>DomU-Reboot with a VGA Card p=
assed through to it: Does a reboot work, i.e. =0A<br>does the passed-throug=
h VGA Card work after a DomU reboot?=0A<br><br>My hole System (DomU + Dom0)=
 freezes after a reboot of DomU (exaclty then, =0A<br>when the passed-throu=
gh VGA Card is accessed...), therefore the question.=0A<br><br>Thanks for y=
our info!=0A<br>Greetings=0A<br>Tobias=0A<br><br>Am Dienstag, 6. Dezember 2=
011, 14:57:30 schrieb David TECHER:=0A<div class=3D"yiv1323447103shrinkable=
-quote"><br>&gt; Hi=0A<br>&gt; =0A<br>&gt; Thanks for these informations. I=
 am on Debian. So it could be usefull for=0A<br>&gt; Ubuntu users.=0A<br>&g=
t; =0A<br>&gt; Thanks.=0A<br>&gt; =0A<br>&gt; David=0A<br>&gt; =0A<br>&gt; =
=0A<br>&gt; =0A<br>&gt; ________________________________=0A<br>&gt; &nbsp;D=
e : n4rC0t1C &lt;<a rel=3D"nofollow">[hidden email]</a>&gt;=0A<br>&gt; =C0 =
: <a rel=3D"nofollow">[hidden email]</a>=0A<br>&gt; Envoy=E9 le : Mardi 6 D=
=E9cembre 2011 13h04=0A<br>&gt; Objet : Re: [Xen-devel] Re : Re : Re : Re :=
 Re : Re : Re : Re: Patches for=0A<br>&gt; VGA-Passthrough XEN 4.2 unstable=
=0A<br>&gt; =0A<br>&gt; Iep I used your last patches, (your website it's at=
 the top of my=0A<br>&gt; bookmarks), and they apply to xen-unstable rev. 2=
4341 as well (which i'm=0A<br>&gt; using).=0A<br>&gt; =0A<br>&gt; I forgot =
to mention that I had to make a couple of fix to xen tree, cause=0A<br>&gt;=
 it wasn't compiling on my system due to &nbsp;"error: format not a string=
=0A<br>&gt; literal and no format arguments":=0A<br>&gt; =0A<br>&gt; =0A<br=
>&gt; --- /usr/src/xen-unstable.hg-rev-24341-460gtx/tools/libxl/libxl_creat=
e.c=0A<br>&gt; +++ /usr/src/xen-unstable.hg-rev-24341-460gtx/tools/libxl/li=
bxl_create.c=0A<br>&gt; @@ -462,7 +462,7 @@=0A<br>&gt; &nbsp; &nbsp; &nbsp;=
path =3D libxl__xs_libxl_path(gc, domid);=0A<br>&gt; &nbsp; &nbsp; &nbsp;pa=
th =3D libxl__sprintf(gc, "%s/dm-version", path);=0A<br>&gt; &nbsp; &nbsp; =
&nbsp;return libxl__xs_write(gc, XBT_NULL, path, libxl__strdup(gc,=0A<br>&g=
t; - &nbsp; &nbsp; =0A<br>&gt; libxl_device_model_version_to_string(dm_info=
-&gt;device_model_version)));=0A<br>&gt; + &nbsp; &nbsp; =0A<br>&gt; libxl_=
device_model_version_to_string(dm_info-&gt;device_model_version)),"%s");=0A=
<br>&gt; }=0A<br>&gt; =0A<br>&gt; static int do_domain_create(libxl__gc *gc=
, libxl_domain_config *d_config,=0A<br>&gt; =0A<br>&gt; =0A<br>&gt; --- /us=
r/src/xen-unstable.hg-rev-24341-460gtx/tools/libxl/libxl_device.c=0A<br>&gt=
; +++ /usr/src/xen-unstable.hg-rev-24341-460gtx/tools/libxl/libxl_device.c=
=0A<br>&gt; @@ -516,7 +516,7 @@=0A<br>&gt; &nbsp; &nbsp; &nbsp; &nbsp; &nbs=
p;for (j =3D 0; j &lt; num_devs; j++) {=0A<br>&gt; &nbsp; &nbsp; &nbsp; &nb=
sp; &nbsp; &nbsp; &nbsp;path =3D libxl__sprintf(gc,=0A<br>&gt; "/local/doma=
in/%d/device/%s/%s/backend",=0A<br>&gt; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp=
; &nbsp; &nbsp;domid, kinds[i], devs[j]);=0A<br>&gt; - &nbsp; &nbsp; &nbsp;=
 &nbsp; &nbsp; &nbsp;path =3D libxl__xs_read(gc, XBT_NULL, libxl__sprintf(g=
c, path));=0A<br>&gt; + &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;path =3D l=
ibxl__xs_read(gc, XBT_NULL, libxl__sprintf(gc,=0A<br>&gt; path,"%s"));=0A<b=
r>&gt; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;if (path &amp;&amp; =
libxl__parse_backend_path(gc, path, &amp;dev) =3D=3D 0) {=0A<br>&gt; &nbsp;=
 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;dev.domid =3D domid=
;=0A<br>&gt; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;=
dev.kind =3D kind;=0A<br>&gt; =0A<br>&gt; and an due to an argument missing=
:=0A<br>&gt; =0A<br>&gt; --- /usr/src/xen-unstable.hg-rev-24341-460gtx/tool=
s/libxl/libxl_dom.c=0A<br>&gt; +++ /usr/src/xen-unstable.hg-rev-24341-460gt=
x/tools/libxl/libxl_dom.c=0A<br>&gt; @@ -625,7 +625,7 @@=0A<br>&gt; &nbsp; =
&nbsp; &nbsp; &nbsp; &nbsp;break;=0A<br>&gt; &nbsp; &nbsp; &nbsp;}=0A<br>&g=
t; &nbsp; &nbsp; &nbsp;case LIBXL_DEVICE_MODEL_VERSION_QEMU_XEN:=0A<br>&gt;=
 - &nbsp; &nbsp; &nbsp; &nbsp;fd2 =3D open(filename, O_WRONLY | O_CREAT | O=
_TRUNC);=0A<br>&gt; + &nbsp; &nbsp; &nbsp; &nbsp;fd2 =3D open(filename, O_W=
RONLY | O_CREAT | O_TRUNC, 0644);=0A<br>&gt; &nbsp; &nbsp; &nbsp; &nbsp; &n=
bsp;if (fd2 &lt; 0) {=0A<br>&gt; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; =
&nbsp;LIBXL__LOG_ERRNO(ctx, LIBXL__LOG_ERROR,=0A<br>&gt; &nbsp; &nbsp; &nbs=
p; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &n=
bsp; &nbsp; "Unable to create a QEMU save file\n");=0A<br>&gt; =0A<br>&gt; =
As far as I know those doesn't break anything, but dont take too seriously,=
=0A<br>&gt; i'm not an experienced developer :)=0A<br>&gt; =0A<br>&gt; =0A<=
br>&gt; Forgot 2:=0A<br>&gt; Since I'm using an ubuntu kernel, the xen supp=
ort is not integrated, but=0A<br>&gt; you need to add xen modules at your i=
nittrd file. I did this by adding=0A<br>&gt; those:=0A<br>&gt; =0A<br>&gt; =
xen-pciback passthrough=3D1=0A<br>&gt; xen-blkback=0A<br>&gt; xenfs=0A<br>&=
gt; xen-netback=0A<br>&gt; pci-stub=0A<br>&gt; =0A<br>&gt; to /etc/xen/init=
ramfs-tools/modules and the issuing update-initramfs.=0A<br>&gt; =0A<br>&gt=
; In the future, I'll try to boot a linux domU, right now I'm still smiling=
=0A<br>&gt; cause I can fully wipe my Windows installation from the hard di=
sk. And I'm=0A<br>&gt; sure that in future Win7 will be supported too.=0A<b=
r>&gt; =0A<br>&gt; Thanks again David and everyone,=0A<br>&gt; Ivo=0A<br>&g=
t; =0A<br>&gt; --=0A<br>&gt; View this message in context:=0A<br>&gt; <a re=
l=3D"nofollow" target=3D"_blank" href=3D"http://xen.1045712.n5.nabble.com/P=
atches-for-VGA-Passthrough-XEN-4-2-unsta">http://xen.1045712.n5.nabble.com/=
Patches-for-VGA-Passthrough-XEN-4-2-unsta</a><br>&gt; ble-tp4406265p5051880=
.html Sent from the Xen - Dev mailing list archive at=0A<br>&gt; Nabble.com=
.=0A<br>&gt; =0A<br>&gt; _______________________________________________=0A=
<br>&gt; Xen-devel mailing list=0A<br>&gt; <a rel=3D"nofollow">[hidden emai=
l]</a>=0A<br>&gt; <a rel=3D"nofollow" target=3D"_blank" href=3D"http://list=
s.xensource.com/xen-devel">http://lists.xensource.com/xen-devel</a></div><b=
r><br>_______________________________________________=0A<br>Xen-devel maili=
ng list=0A<br><a rel=3D"nofollow">[hidden email]</a>=0A<br><a rel=3D"nofoll=
ow" target=3D"_blank" href=3D"http://lists.xensource.com/xen-devel">http://=
lists.xensource.com/xen-devel</a><br>=0A=09=0A=09<br>=0A=09<br>=0A=09<hr co=
lor=3D"#cccccc" noshade=3D"noshade" size=3D"1">=0A=09<div style=3D"color:#4=
44;font:12px tahoma, geneva, helvetica, arial, sans-serif;">=0A=09=09<div s=
tyle=3D"font-weight:bold;">If you reply to this email, your message will be=
 added to the discussion below:</div>=0A=09=09<a rel=3D"nofollow" target=3D=
"_blank" href=3D"http://xen.1045712.n5.nabble.com/Patches-for-VGA-Passthrou=
gh-XEN-4-2-unstable-tp4406265p5052398.html">http://xen.1045712.n5.nabble.co=
m/Patches-for-VGA-Passthrough-XEN-4-2-unstable-tp4406265p5052398.html</a>=
=0A=09</div>=0A=09<div style=3D"color:#666;font:11px tahoma, geneva, helvet=
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Greetings!

      I've been looking all over and haven't found a way to get at DomU memory from Dom0 without hacking some of the drivers..

WARNING: These links are dated 2008, so the ideas may not be valid anymore.

Slideshow
http://invisiblethingslab.com/resources/bh08/part1.pdf

Addendum
http://theinvisiblethings.blogspot.com/2008/08/attacking-xen-domu-vs-dom0.html


      The best methods for communicating Dom0<->DomU seem to revolve around using the xen-store.

      So to answer your questions (as well as I can)..

> Does the Dom0 have direct access to these memory spaces or does it just issue hypercalls to do the memory management?

Probably the latter.


> Does the Dom0 know about the memory mapping or just the Xen hypervisor?

Probably just the hypervisor


      Now someone who understands Xen better than I do can jump in and correct anything I might have said incorrectly :^)


David Alston
Nearband Networks
Senior Systems Administrator

dalston@nearband.com
O: 972.881.1090
M: 469.939.4403



On Fri, 2 Dec 2011, Jason Thomas wrote:

> I understand that for HVM guests the Xen hypervisor creates shadow pages to
> monitor each guest's memory usage. Does the Dom0 have direct access to
> these memory spaces or does it just issue hypercalls to do the memory
> management? Does the Dom0 know about the memory mapping or just the Xen
> hypervisor? For example, Dom0 must have the ability to copy these pages for
> guest relocation, but does it do this copying of memory space through the
> Xen VMM (hypercalls) or is there any direct access by the Dom0?
>
> Jason
>
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Greetings!

      I've been looking all over and haven't found a way to get at DomU memory from Dom0 without hacking some of the drivers..

WARNING: These links are dated 2008, so the ideas may not be valid anymore.

Slideshow
http://invisiblethingslab.com/resources/bh08/part1.pdf

Addendum
http://theinvisiblethings.blogspot.com/2008/08/attacking-xen-domu-vs-dom0.html


      The best methods for communicating Dom0<->DomU seem to revolve around using the xen-store.

      So to answer your questions (as well as I can)..

> Does the Dom0 have direct access to these memory spaces or does it just issue hypercalls to do the memory management?

Probably the latter.


> Does the Dom0 know about the memory mapping or just the Xen hypervisor?

Probably just the hypervisor


      Now someone who understands Xen better than I do can jump in and correct anything I might have said incorrectly :^)


David Alston
Nearband Networks
Senior Systems Administrator

dalston@nearband.com
O: 972.881.1090
M: 469.939.4403



On Fri, 2 Dec 2011, Jason Thomas wrote:

> I understand that for HVM guests the Xen hypervisor creates shadow pages to
> monitor each guest's memory usage. Does the Dom0 have direct access to
> these memory spaces or does it just issue hypercalls to do the memory
> management? Does the Dom0 know about the memory mapping or just the Xen
> hypervisor? For example, Dom0 must have the ability to copy these pages for
> guest relocation, but does it do this copying of memory space through the
> Xen VMM (hypercalls) or is there any direct access by the Dom0?
>
> Jason
>
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Subject: Re: [Xen-users] Windows HVM DomU support
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From: xen-users-bounces@lists.xensource.com
[mailto:xen-users-bounces@lists.xensource.com] On Behalf Of Jeff Mason
Sent: Friday, December 02, 2011 2:23 PM
To: xen-users@lists.xensource.com
Subject: [Xen-users] Windows HVM DomU support

 

I trying to get a windows DomU guest to boot and run..

Then I get a message on the terminal that says:

 

[x.y] vif vif-5-0: 2 reading script

 

and now the DomU guest is gone.  The only relevant log file that I can find
(/var/log/xen/qemu-dm-XPDomain1.log) does not list any problems.   My
questions are what else do I need configure to get some display and (more
importantly) how do I go about debugging problems like this?

 

xen_config_file:

.

# Kernel image file.

kernel = "/usr/lib/xen/boot/hvmloader"

 

 

I don't think you need the kernel stanza anymore.

 

# The domain build function. Default is 'linux'.

builder='hvm'

 

.

disk = ['tap:aio:/dev/sda1,ioemu:hda,w']

 

I use the stanza:

disk = [ 'phy:/dev/sda1,hda,w' ]

if you need access to cdroms or isos, you can provide the following as well:

disk = [ 'phy:/dev/sda1,had,w', 'file:/root/w2k8.64.iso,hdc:cdrom,r',
'phy:/dev/sr0,hdd:cdrom,r' ]

Remember to also include the following if it's a Vista or later os:

viridian=1

 

The next thing to look at is whether any udev events fire off during vm
creation.  Open up another console and run the following:

udevadm monitor --kernel --udev --property --subsystem-match=xen-backend

 

You should see something if it's successfully creating the disk, network and
console backends.

 

I use Fedora, so your mileage may vary as far as the commands go.

 

 

Jeff Mason

Principal Engineer

CPU Technology

1500 Kansas Ave, Suite 3D

Longmont, CO 80501

720-204-6361

jmason@cputech.com

 

Mike


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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue =
vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><b><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span>=
</b><span style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'> =
xen-users-bounces@lists.xensource.com =
[mailto:xen-users-bounces@lists.xensource.com] <b>On Behalf Of </b>Jeff =
Mason<br><b>Sent:</b> Friday, December 02, 2011 2:23 PM<br><b>To:</b> =
xen-users@lists.xensource.com<br><b>Subject:</b> [Xen-users] Windows HVM =
DomU support<o:p></o:p></span></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal>I trying to =
get a windows DomU guest to boot and run<span =
style=3D'color:#1F497D'>&#8230;.<o:p></o:p></span></p><p =
class=3DMsoNormal>Then I get a message on the terminal that =
says:<o:p></o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p =
class=3DMsoNormal>[x.y] vif vif-5-0: 2 reading script<o:p></o:p></p><p =
class=3DMsoNormal>&nbsp;<o:p></o:p></p><p class=3DMsoNormal>and now the =
DomU guest is gone.&nbsp; The only relevant log file that I can find =
(/var/log/xen/qemu-dm-XPDomain1.log) does not list any problems. =
&nbsp;&nbsp;My questions are what else do I need configure to get some =
display and (more importantly) how do I go about debugging problems like =
this?<o:p></o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p =
class=3DMsoNormal>xen_config_file:<o:p></o:p></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'>&#8230;</span><o:p></o:p></p><p =
class=3DMsoNormal># Kernel image file.<o:p></o:p></p><p =
class=3DMsoNormal>kernel =3D =
&quot;/usr/lib/xen/boot/hvmloader&quot;<o:p></o:p></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span style=3D'color:#1F497D'>I don't think you need =
the kernel stanza anymore.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal># The domain build function. Default is =
'linux'.<o:p></o:p></p><p =
class=3DMsoNormal>builder=3D'hvm'<o:p></o:p></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal><span =
style=3D'color:#1F497D'>&#8230;</span><o:p></o:p></p><p =
class=3DMsoNormal>disk =3D =
['tap:aio:/dev/sda1,ioemu:hda,w']<o:p></o:p></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span style=3D'color:#1F497D'>I use the =
stanza:<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'color:#1F497D'>disk =3D [ &#8216;phy:/dev/sda1,hda,w&#8217; =
]<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'color:#1F497D'>if you need access to cdroms or isos, you can =
provide the following as well:<o:p></o:p></span></p><p =
class=3DMsoNormal><span style=3D'color:#1F497D'>disk =3D [ =
&#8216;phy:/dev/sda1,had,w&#8217;, =
&#8216;file:/root/w2k8.64.iso,hdc:cdrom,r&#8217;, =
&#8216;phy:/dev/sr0,hdd:cdrom,r&#8217; ]<o:p></o:p></span></p><p =
class=3DMsoNormal><span style=3D'color:#1F497D'>Remember to also include =
the following if it&#8217;s a Vista or later os:<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'>viridian=3D1<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span style=3D'color:#1F497D'>The next thing to look =
at is whether any udev events fire off during vm creation.&nbsp; Open up =
another console and run the following:<o:p></o:p></span></p><p =
class=3DMsoNormal><span style=3D'color:#1F497D'>udevadm monitor --kernel =
--udev --property =
--subsystem-match=3Dxen-backend<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span style=3D'color:#1F497D'>You should see something =
if it's successfully creating the disk, network and console =
backends.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span style=3D'color:#1F497D'>I use Fedora, so your =
mileage may vary as far as the commands go.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal>Jeff =
Mason<o:p></o:p></p><p class=3DMsoNormal>Principal =
Engineer<o:p></o:p></p><p class=3DMsoNormal>CPU =
Technology<o:p></o:p></p><p class=3DMsoNormal>1500 Kansas Ave, Suite =
3D<o:p></o:p></p><p class=3DMsoNormal>Longmont, CO =
80501<o:p></o:p></p><p class=3DMsoNormal>720-204-6361<o:p></o:p></p><p =
class=3DMsoNormal><a =
href=3D"mailto:jmason@cputech.com">jmason@cputech.com</a><o:p></o:p></p><=
p class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'>Mike<o:p></o:p></span></p></div></body></html>
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From: xen-users-bounces@lists.xensource.com
[mailto:xen-users-bounces@lists.xensource.com] On Behalf Of Jeff Mason
Sent: Friday, December 02, 2011 2:23 PM
To: xen-users@lists.xensource.com
Subject: [Xen-users] Windows HVM DomU support

 

I trying to get a windows DomU guest to boot and run..

Then I get a message on the terminal that says:

 

[x.y] vif vif-5-0: 2 reading script

 

and now the DomU guest is gone.  The only relevant log file that I can find
(/var/log/xen/qemu-dm-XPDomain1.log) does not list any problems.   My
questions are what else do I need configure to get some display and (more
importantly) how do I go about debugging problems like this?

 

xen_config_file:

.

# Kernel image file.

kernel = "/usr/lib/xen/boot/hvmloader"

 

 

I don't think you need the kernel stanza anymore.

 

# The domain build function. Default is 'linux'.

builder='hvm'

 

.

disk = ['tap:aio:/dev/sda1,ioemu:hda,w']

 

I use the stanza:

disk = [ 'phy:/dev/sda1,hda,w' ]

if you need access to cdroms or isos, you can provide the following as well:

disk = [ 'phy:/dev/sda1,had,w', 'file:/root/w2k8.64.iso,hdc:cdrom,r',
'phy:/dev/sr0,hdd:cdrom,r' ]

Remember to also include the following if it's a Vista or later os:

viridian=1

 

The next thing to look at is whether any udev events fire off during vm
creation.  Open up another console and run the following:

udevadm monitor --kernel --udev --property --subsystem-match=xen-backend

 

You should see something if it's successfully creating the disk, network and
console backends.

 

I use Fedora, so your mileage may vary as far as the commands go.

 

 

Jeff Mason

Principal Engineer

CPU Technology

1500 Kansas Ave, Suite 3D

Longmont, CO 80501

720-204-6361

jmason@cputech.com

 

Mike


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<o:idmap v:ext=3D"edit" data=3D"1" />
</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue =
vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><b><span =
style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span>=
</b><span style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'> =
xen-users-bounces@lists.xensource.com =
[mailto:xen-users-bounces@lists.xensource.com] <b>On Behalf Of </b>Jeff =
Mason<br><b>Sent:</b> Friday, December 02, 2011 2:23 PM<br><b>To:</b> =
xen-users@lists.xensource.com<br><b>Subject:</b> [Xen-users] Windows HVM =
DomU support<o:p></o:p></span></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal>I trying to =
get a windows DomU guest to boot and run<span =
style=3D'color:#1F497D'>&#8230;.<o:p></o:p></span></p><p =
class=3DMsoNormal>Then I get a message on the terminal that =
says:<o:p></o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p =
class=3DMsoNormal>[x.y] vif vif-5-0: 2 reading script<o:p></o:p></p><p =
class=3DMsoNormal>&nbsp;<o:p></o:p></p><p class=3DMsoNormal>and now the =
DomU guest is gone.&nbsp; The only relevant log file that I can find =
(/var/log/xen/qemu-dm-XPDomain1.log) does not list any problems. =
&nbsp;&nbsp;My questions are what else do I need configure to get some =
display and (more importantly) how do I go about debugging problems like =
this?<o:p></o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p =
class=3DMsoNormal>xen_config_file:<o:p></o:p></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'>&#8230;</span><o:p></o:p></p><p =
class=3DMsoNormal># Kernel image file.<o:p></o:p></p><p =
class=3DMsoNormal>kernel =3D =
&quot;/usr/lib/xen/boot/hvmloader&quot;<o:p></o:p></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span style=3D'color:#1F497D'>I don't think you need =
the kernel stanza anymore.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal># The domain build function. Default is =
'linux'.<o:p></o:p></p><p =
class=3DMsoNormal>builder=3D'hvm'<o:p></o:p></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal><span =
style=3D'color:#1F497D'>&#8230;</span><o:p></o:p></p><p =
class=3DMsoNormal>disk =3D =
['tap:aio:/dev/sda1,ioemu:hda,w']<o:p></o:p></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span style=3D'color:#1F497D'>I use the =
stanza:<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'color:#1F497D'>disk =3D [ &#8216;phy:/dev/sda1,hda,w&#8217; =
]<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'color:#1F497D'>if you need access to cdroms or isos, you can =
provide the following as well:<o:p></o:p></span></p><p =
class=3DMsoNormal><span style=3D'color:#1F497D'>disk =3D [ =
&#8216;phy:/dev/sda1,had,w&#8217;, =
&#8216;file:/root/w2k8.64.iso,hdc:cdrom,r&#8217;, =
&#8216;phy:/dev/sr0,hdd:cdrom,r&#8217; ]<o:p></o:p></span></p><p =
class=3DMsoNormal><span style=3D'color:#1F497D'>Remember to also include =
the following if it&#8217;s a Vista or later os:<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'>viridian=3D1<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span style=3D'color:#1F497D'>The next thing to look =
at is whether any udev events fire off during vm creation.&nbsp; Open up =
another console and run the following:<o:p></o:p></span></p><p =
class=3DMsoNormal><span style=3D'color:#1F497D'>udevadm monitor --kernel =
--udev --property =
--subsystem-match=3Dxen-backend<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span style=3D'color:#1F497D'>You should see something =
if it's successfully creating the disk, network and console =
backends.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span style=3D'color:#1F497D'>I use Fedora, so your =
mileage may vary as far as the commands go.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal>Jeff =
Mason<o:p></o:p></p><p class=3DMsoNormal>Principal =
Engineer<o:p></o:p></p><p class=3DMsoNormal>CPU =
Technology<o:p></o:p></p><p class=3DMsoNormal>1500 Kansas Ave, Suite =
3D<o:p></o:p></p><p class=3DMsoNormal>Longmont, CO =
80501<o:p></o:p></p><p class=3DMsoNormal>720-204-6361<o:p></o:p></p><p =
class=3DMsoNormal><a =
href=3D"mailto:jmason@cputech.com">jmason@cputech.com</a><o:p></o:p></p><=
p class=3DMsoNormal><span =
style=3D'color:#1F497D'><o:p>&nbsp;</o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'color:#1F497D'>Mike<o:p></o:p></span></p></div></body></html>
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On Mon December 5 2011, 6:25:29 PM, Flavio wrote:
> > If
> > that doesn't work, I can't help you with this method, but I'll keep
> > working on the hvm to pv conversion approach.
> 
> Thanks a lot, I appreciate your effort a lot.

Ok -  I got curious about your pv install method, and tried it myself. It 
actually did work, but you may not be aware of it.

First, given your config, it looks like all you did was an 'xl create ...' to 
start your install. You (again) didn't use something like virt-install / virt-
manager to control your install. If so, you are only using xen tools, and 
nothing specific to Gentoo, and this approach would work on any distro's dom0.

Anyway, that's what I did, with this config patterned after the one you 
posted, with local differences, and hvm directives removed (and by the way, 
'vcpus' was misspelled):

name="opensuse11"
memory=768
disk = [ 'phy:/dev/disk/by-path/ip-192.168.1.101:3260-iscsi-
iqn.2001-04.com.Dell4550-iqn.2009-09.net.bellsouth.sda:041b7d3f-b008-4367-
b1f2-b4799d15e4cd-lun-3,xvda,w' ]
vif = [ 'mac=00:16:3e:00:00:21, bridge=xenbr0' ]
vfb = [ "type=vnc,vncunused=1,vnclisten=0.0.0.0,keymap=en-us" ]
#bootloader = "/usr/bin/pygrub"
kernel = "/home/jimb/Cmpq/boot/i386/vmlinuz-xenpae"
ramdisk = "/home/jimb/Cmpq/boot/i386/initrd-xenpae"
#kernel = "/boot/vmlinuz-3.1.0-7.fc16.x86_64"
#ramdisk = "/boot/initramfs-3.1.0-7.fc16.x86_64.img"
#kernel = "/boot/vmlinuz-2.6.41.1-1.fc15.x86_64"
#ramdisk = "/boot/initramfs-2.6.41.1-1.fc15.x86_64.img"
#kernel = "/boot/vmlinuz-2.6.32.39-175.xendom0.fc13.x86_64"
#ramdisk = "/boot/initramfs-2.6.32.39-175.xendom0.fc13.x86_64.img"
#kernel = "/home/jimb/Cmpq/boot/i386/vmlinuz-xenpae"
#ramdisk = "/home/jimb/Cmpq/boot/i386/initrd-xenpae"
vcpus=1
on_reboot = 'restart'
on_crash = 'destroy'
#extra = 'xencons=tty'
#extra = 'noapic ssh=1 sshpassword=lolrofl addswap=/dev/xvda2
#install='nfs://192.168.1.100:/home/jimb/Cmpq/'

You'll notice, I tried a few fedora pvops, xen enabled kernels, none of which 
worked. (Curious - I'm assuming the format of an initramfs, and how the kernel 
executes the scripts in it, is different from an initrd.) I mounted the DVD in 
the Cmpq sub-directory in my home dir, which is also a sub-dir that is nfs 
exported, and a sub-dir in a cifs export. The sub-dir /boot/i386 in the dvd 
contains a xen enabled kernel & initrd. (This is what I mean about details of 
the install dvd that only that distro's own install routines, like Yast, would 
know, and a generic install routine, like virt-manager, from some other distro 
might not.) That kernel & initrd started the install, and then I had to pick 
one of the Network install methods, after clicking on 'Back' to get to a menu. 
(Yes - it is a *pain* not having the mouse work. Fortunately, each option on 
each screen in Yast has an underlined letter. That letter, held down with the 
Alt key, selects that option.) I tried un-commenting the install= line above, 
and it did not save me any time. I still had to enter info into the Network 
install screens every time.

I had trouble using the nfs and smb (cifs) network install methods. Curiously, 
the installer, running in a domu, not the dom0, could use the Network install 
info I entered to go from the simple beginning menus to the full Yast menu, 
but once in Yast, it didn't know how to access the mount by nfs or smb anymore 
(and no indication in my network monitoring tools that it was even trying). 
Fortunately, if you pick the smb method of Network install, when you get the 
error message in Yast, when it tried to initialize the install repo, it allows 
you to switch over to an http install. I just gave the url for 
download.opensuse.org. You, of course, wouldn't have this problem, since you 
were using an http install from the beginning.

Anyway, two hours later, the vnc window disappeared. (This is about the point 
in the install where you started having problems.) I did an 'xm list', and 
found out the domu had restarted. A simple 'xm vncviewer ...' brought up the 
last part of the install - the Automatic Configuration step. (Actually, it 
asked me to inset a dvd, I selected 'Back', then 'Start Install', then 
(something like) Boot from the Installed Harddisk, to get to the Automatic 
Configuration step.)

After the install finished, I changed the config file - un-comment the 
bootloader= line, and comment out the kernel= & ramdisk= lines. I then did an 
'xm create ... -c' to be sure that grub was setup right, and then exited the 
domu's console, and did an 'xm vncviewer ...', and I am now staring at the KDE 
desktop. This is the menu.lst it installed. Notice it has kernel-desktop, and 
kernel-xen installed, with the kernel-xen as the default menu item, so the 'xm 
create' with the '-c' option was not necessary. I could have gone straight 
into a vncviewer. (I don't think menu.lst will be setup until you are past the 
Automatic Configuration step, so I didn't switch comments on bootloader and 
kernel / ramdisk till after then.)

# Modified by YaST2. Last modification on Tue Dec  6 19:48:21 EST 2011
# THIS FILE WILL BE PARTIALLY OVERWRITTEN by perl-Bootloader
# Configure custom boot parameters for updated kernels in
# /etc/sysconfig/bootloader

default 2
timeout 8
##YaST - generic_mbr
gfxmenu (hd0,1)/boot/message
##YaST - activate

###Don't change this comment - YaST2 identifier: Original name: linux###
title openSUSE 11.4 - 2.6.37.1-1.2 (default)
    root (hd0,1)
    kernel /boot/vmlinuz-2.6.37.1-1.2-default root=/dev/xvda2 
resume=/dev/xvda1 splash=silent quiet showopts
    initrd /boot/initrd-2.6.37.1-1.2-default

###Don't change this comment - YaST2 identifier: Original name: failsafe###
title Failsafe -- openSUSE 11.4 - 2.6.37.1-1.2
    root (hd0,1)
    kernel /boot/vmlinuz-2.6.37.1-1.2-default root=/dev/xvda2 showopts apm=off 
noresume nosmp maxcpus=0 edd=off powersaved=off nohz=off highres=off 
processor.max_cstate=1 nomodeset x11failsafe
    initrd /boot/initrd-2.6.37.1-1.2-default

###Don't change this comment - YaST2 identifier: Original name: linux###
title Xen -- openSUSE 11.4 - 2.6.37.1-1.2
    root (hd0,1)
    kernel /boot/vmlinuz-2.6.37.1-1.2-xen root=/dev/xvda2 resume=/dev/xvda1 
splash=silent quiet showopts
    initrd /boot/initrd-2.6.37.1-1.2-xen

Unfortunately, the desktop I'm looking at is 800x600, so we are back to one of 
the original problems. I'll try putting 'vga=0x31a' in menu.lst, or Fajar's 
suggestions about setting resolution in a pv domu, in the next day or two, and 
tell you what I come up with.

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To: Flavio <fbcyborg@gmail.com>
Date: Wed, 07 Dec 2011 01:15:37 -0500
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Cc: xen-users@lists.xensource.com, "Fajar A. Nugraha" <list@fajar.net>
Subject: Re: [Xen-users] OpenSuse 11 hvm domU: screen resolution up to
	640x480
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On Mon December 5 2011, 6:25:29 PM, Flavio wrote:
> > If
> > that doesn't work, I can't help you with this method, but I'll keep
> > working on the hvm to pv conversion approach.
> 
> Thanks a lot, I appreciate your effort a lot.

Ok -  I got curious about your pv install method, and tried it myself. It 
actually did work, but you may not be aware of it.

First, given your config, it looks like all you did was an 'xl create ...' to 
start your install. You (again) didn't use something like virt-install / virt-
manager to control your install. If so, you are only using xen tools, and 
nothing specific to Gentoo, and this approach would work on any distro's dom0.

Anyway, that's what I did, with this config patterned after the one you 
posted, with local differences, and hvm directives removed (and by the way, 
'vcpus' was misspelled):

name="opensuse11"
memory=768
disk = [ 'phy:/dev/disk/by-path/ip-192.168.1.101:3260-iscsi-
iqn.2001-04.com.Dell4550-iqn.2009-09.net.bellsouth.sda:041b7d3f-b008-4367-
b1f2-b4799d15e4cd-lun-3,xvda,w' ]
vif = [ 'mac=00:16:3e:00:00:21, bridge=xenbr0' ]
vfb = [ "type=vnc,vncunused=1,vnclisten=0.0.0.0,keymap=en-us" ]
#bootloader = "/usr/bin/pygrub"
kernel = "/home/jimb/Cmpq/boot/i386/vmlinuz-xenpae"
ramdisk = "/home/jimb/Cmpq/boot/i386/initrd-xenpae"
#kernel = "/boot/vmlinuz-3.1.0-7.fc16.x86_64"
#ramdisk = "/boot/initramfs-3.1.0-7.fc16.x86_64.img"
#kernel = "/boot/vmlinuz-2.6.41.1-1.fc15.x86_64"
#ramdisk = "/boot/initramfs-2.6.41.1-1.fc15.x86_64.img"
#kernel = "/boot/vmlinuz-2.6.32.39-175.xendom0.fc13.x86_64"
#ramdisk = "/boot/initramfs-2.6.32.39-175.xendom0.fc13.x86_64.img"
#kernel = "/home/jimb/Cmpq/boot/i386/vmlinuz-xenpae"
#ramdisk = "/home/jimb/Cmpq/boot/i386/initrd-xenpae"
vcpus=1
on_reboot = 'restart'
on_crash = 'destroy'
#extra = 'xencons=tty'
#extra = 'noapic ssh=1 sshpassword=lolrofl addswap=/dev/xvda2
#install='nfs://192.168.1.100:/home/jimb/Cmpq/'

You'll notice, I tried a few fedora pvops, xen enabled kernels, none of which 
worked. (Curious - I'm assuming the format of an initramfs, and how the kernel 
executes the scripts in it, is different from an initrd.) I mounted the DVD in 
the Cmpq sub-directory in my home dir, which is also a sub-dir that is nfs 
exported, and a sub-dir in a cifs export. The sub-dir /boot/i386 in the dvd 
contains a xen enabled kernel & initrd. (This is what I mean about details of 
the install dvd that only that distro's own install routines, like Yast, would 
know, and a generic install routine, like virt-manager, from some other distro 
might not.) That kernel & initrd started the install, and then I had to pick 
one of the Network install methods, after clicking on 'Back' to get to a menu. 
(Yes - it is a *pain* not having the mouse work. Fortunately, each option on 
each screen in Yast has an underlined letter. That letter, held down with the 
Alt key, selects that option.) I tried un-commenting the install= line above, 
and it did not save me any time. I still had to enter info into the Network 
install screens every time.

I had trouble using the nfs and smb (cifs) network install methods. Curiously, 
the installer, running in a domu, not the dom0, could use the Network install 
info I entered to go from the simple beginning menus to the full Yast menu, 
but once in Yast, it didn't know how to access the mount by nfs or smb anymore 
(and no indication in my network monitoring tools that it was even trying). 
Fortunately, if you pick the smb method of Network install, when you get the 
error message in Yast, when it tried to initialize the install repo, it allows 
you to switch over to an http install. I just gave the url for 
download.opensuse.org. You, of course, wouldn't have this problem, since you 
were using an http install from the beginning.

Anyway, two hours later, the vnc window disappeared. (This is about the point 
in the install where you started having problems.) I did an 'xm list', and 
found out the domu had restarted. A simple 'xm vncviewer ...' brought up the 
last part of the install - the Automatic Configuration step. (Actually, it 
asked me to inset a dvd, I selected 'Back', then 'Start Install', then 
(something like) Boot from the Installed Harddisk, to get to the Automatic 
Configuration step.)

After the install finished, I changed the config file - un-comment the 
bootloader= line, and comment out the kernel= & ramdisk= lines. I then did an 
'xm create ... -c' to be sure that grub was setup right, and then exited the 
domu's console, and did an 'xm vncviewer ...', and I am now staring at the KDE 
desktop. This is the menu.lst it installed. Notice it has kernel-desktop, and 
kernel-xen installed, with the kernel-xen as the default menu item, so the 'xm 
create' with the '-c' option was not necessary. I could have gone straight 
into a vncviewer. (I don't think menu.lst will be setup until you are past the 
Automatic Configuration step, so I didn't switch comments on bootloader and 
kernel / ramdisk till after then.)

# Modified by YaST2. Last modification on Tue Dec  6 19:48:21 EST 2011
# THIS FILE WILL BE PARTIALLY OVERWRITTEN by perl-Bootloader
# Configure custom boot parameters for updated kernels in
# /etc/sysconfig/bootloader

default 2
timeout 8
##YaST - generic_mbr
gfxmenu (hd0,1)/boot/message
##YaST - activate

###Don't change this comment - YaST2 identifier: Original name: linux###
title openSUSE 11.4 - 2.6.37.1-1.2 (default)
    root (hd0,1)
    kernel /boot/vmlinuz-2.6.37.1-1.2-default root=/dev/xvda2 
resume=/dev/xvda1 splash=silent quiet showopts
    initrd /boot/initrd-2.6.37.1-1.2-default

###Don't change this comment - YaST2 identifier: Original name: failsafe###
title Failsafe -- openSUSE 11.4 - 2.6.37.1-1.2
    root (hd0,1)
    kernel /boot/vmlinuz-2.6.37.1-1.2-default root=/dev/xvda2 showopts apm=off 
noresume nosmp maxcpus=0 edd=off powersaved=off nohz=off highres=off 
processor.max_cstate=1 nomodeset x11failsafe
    initrd /boot/initrd-2.6.37.1-1.2-default

###Don't change this comment - YaST2 identifier: Original name: linux###
title Xen -- openSUSE 11.4 - 2.6.37.1-1.2
    root (hd0,1)
    kernel /boot/vmlinuz-2.6.37.1-1.2-xen root=/dev/xvda2 resume=/dev/xvda1 
splash=silent quiet showopts
    initrd /boot/initrd-2.6.37.1-1.2-xen

Unfortunately, the desktop I'm looking at is 800x600, so we are back to one of 
the original problems. I'll try putting 'vga=0x31a' in menu.lst, or Fajar's 
suggestions about setting resolution in a pv domu, in the next day or two, and 
tell you what I come up with.

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From: Johnny Tao <johnnybeijing@gmail.com>
To: xen-users@lists.xensource.com
Subject: [Xen-users] DomU pygrub issue - OSS Xen to XCP
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Hi, All

I'm just new to this list, I'm started to dealing with OSS Xen to XCP
migration earlier this week, seem the domUs installed via virt-install are
function well,
but domUs copied via dom0 are failed during bootup process, finally I realize
if I could fix this on my OSS Xen will resolve all.
Can I have any suggestion from you please ?


*Details*

*Source XenHost*
OS: CentOS 5.7 64Bit
XEN: xen-3.0.3-132.el5

*Target XenHost*
OS: XCP 1.1
XEN: xen-hypervisor-3.4.2-1.1.0.704.20055

*Error Msg*

Traceback (most recent call last):
  File "/usr/bin/pygrub", line 693, in ?
    data = fs.open_file(chosencfg["kernel"]).read()
IOError: [Errno 2] No such file or directory

Thanks

-Johnny

--bcaec5015f2b7f5c9c04b37b9779
Content-Type: text/html; charset=ISO-8859-1
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Hi, All<div><br></div><div>I&#39;m just new to this list, I&#39;m started t=
o dealing with OSS Xen to XCP migration earlier this week, seem the domUs i=
nstalled via virt-install are function well,</div><div>but domUs copied via=
 dom0 are failed during bootup process, finally I=A0<span class=3D"Apple-st=
yle-span" style=3D"color: rgb(49, 49, 49); font-family: Arial, sans-serif; =
font-size: 12px; ">realize if I could fix this on my OSS Xen will resolve a=
ll.=A0</span></div>
<div><span class=3D"Apple-style-span" style=3D"color: rgb(49, 49, 49); font=
-family: Arial, sans-serif; font-size: 12px; "><span class=3D"Apple-style-s=
pan" style=3D"font-family: arial; font-size: small; color: rgb(0, 0, 0); ">=
<div>
<div>Can I have any suggestion from you please ?</div></div><div><br></div>=
</span></span></div><div>=A0</div><div><b>Details</b></div><div><br></div><=
div><u>Source XenHost</u></div><div>OS: CentOS 5.7 64Bit</div><div>XEN:=A0x=
en-3.0.3-132.el5</div>
<div><br></div><div><u>Target XenHost</u></div><div>OS: XCP 1.1</div><div>X=
EN:=A0xen-hypervisor-3.4.2-1.1.0.704.20055</div><div><br></div><div><b>Erro=
r Msg</b></div><div><br></div><div><div>Traceback (most recent call last):<=
/div>
<div>=A0 File &quot;/usr/bin/pygrub&quot;, line 693, in ?</div><div>=A0 =A0=
 data =3D fs.open_file(chosencfg[&quot;kernel&quot;]).read()</div><div>IOEr=
ror: [Errno 2] No such file or directory</div></div><div><br></div><div>Tha=
nks=A0</div>
<div><br></div><div>-Johnny</div><div><br></div><div><br></div><div><br></d=
iv><div>=A0</div>

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From: Johnny Tao <johnnybeijing@gmail.com>
To: xen-users@lists.xensource.com
Subject: [Xen-users] DomU pygrub issue - OSS Xen to XCP
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Hi, All

I'm just new to this list, I'm started to dealing with OSS Xen to XCP
migration earlier this week, seem the domUs installed via virt-install are
function well,
but domUs copied via dom0 are failed during bootup process, finally I realize
if I could fix this on my OSS Xen will resolve all.
Can I have any suggestion from you please ?


*Details*

*Source XenHost*
OS: CentOS 5.7 64Bit
XEN: xen-3.0.3-132.el5

*Target XenHost*
OS: XCP 1.1
XEN: xen-hypervisor-3.4.2-1.1.0.704.20055

*Error Msg*

Traceback (most recent call last):
  File "/usr/bin/pygrub", line 693, in ?
    data = fs.open_file(chosencfg["kernel"]).read()
IOError: [Errno 2] No such file or directory

Thanks

-Johnny

--bcaec5015f2b7f5c9c04b37b9779
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

Hi, All<div><br></div><div>I&#39;m just new to this list, I&#39;m started t=
o dealing with OSS Xen to XCP migration earlier this week, seem the domUs i=
nstalled via virt-install are function well,</div><div>but domUs copied via=
 dom0 are failed during bootup process, finally I=A0<span class=3D"Apple-st=
yle-span" style=3D"color: rgb(49, 49, 49); font-family: Arial, sans-serif; =
font-size: 12px; ">realize if I could fix this on my OSS Xen will resolve a=
ll.=A0</span></div>
<div><span class=3D"Apple-style-span" style=3D"color: rgb(49, 49, 49); font=
-family: Arial, sans-serif; font-size: 12px; "><span class=3D"Apple-style-s=
pan" style=3D"font-family: arial; font-size: small; color: rgb(0, 0, 0); ">=
<div>
<div>Can I have any suggestion from you please ?</div></div><div><br></div>=
</span></span></div><div>=A0</div><div><b>Details</b></div><div><br></div><=
div><u>Source XenHost</u></div><div>OS: CentOS 5.7 64Bit</div><div>XEN:=A0x=
en-3.0.3-132.el5</div>
<div><br></div><div><u>Target XenHost</u></div><div>OS: XCP 1.1</div><div>X=
EN:=A0xen-hypervisor-3.4.2-1.1.0.704.20055</div><div><br></div><div><b>Erro=
r Msg</b></div><div><br></div><div><div>Traceback (most recent call last):<=
/div>
<div>=A0 File &quot;/usr/bin/pygrub&quot;, line 693, in ?</div><div>=A0 =A0=
 data =3D fs.open_file(chosencfg[&quot;kernel&quot;]).read()</div><div>IOEr=
ror: [Errno 2] No such file or directory</div></div><div><br></div><div>Tha=
nks=A0</div>
<div><br></div><div>-Johnny</div><div><br></div><div><br></div><div><br></d=
iv><div>=A0</div>

--bcaec5015f2b7f5c9c04b37b9779--


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On Wed December 7 2011, 1:15:37 AM, jim burns wrote:
> Unfortunately, the desktop I'm looking at is 800x600, so we are back to one
> of  the original problems. I'll try putting 'vga=0x31a' in menu.lst, or
> Fajar's suggestions about setting resolution in a pv domu, in the next day
> or two, and tell you what I come up with.

Well, this is fairly useless. The mouse doesn't work at all, so the desktop is 
unusable. I have to 'xm console ...' in to give commands. I turned on sshd, 
and changed the SuSEfirewall rules so I can use ssh as well.

The resolution is unchangeable. The hvm tricks that worked - vga=0x31a, or 
defining an xorg.conf don't work. And Fajar's xen-fbfront.video=32,1280,1024 
option in menu.lst didn't either. I wouldn't be surprised if suse renamed the 
module, though, like it renamed xennet and xenblk. However, since 
XEN_FRAMEBUFFER is builtin, I can't find the name of the module to modify it's 
options.

Oh well.

_______________________________________________
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On Wed December 7 2011, 1:15:37 AM, jim burns wrote:
> Unfortunately, the desktop I'm looking at is 800x600, so we are back to one
> of  the original problems. I'll try putting 'vga=0x31a' in menu.lst, or
> Fajar's suggestions about setting resolution in a pv domu, in the next day
> or two, and tell you what I come up with.

Well, this is fairly useless. The mouse doesn't work at all, so the desktop is 
unusable. I have to 'xm console ...' in to give commands. I turned on sshd, 
and changed the SuSEfirewall rules so I can use ssh as well.

The resolution is unchangeable. The hvm tricks that worked - vga=0x31a, or 
defining an xorg.conf don't work. And Fajar's xen-fbfront.video=32,1280,1024 
option in menu.lst didn't either. I wouldn't be surprised if suse renamed the 
module, though, like it renamed xennet and xenblk. However, since 
XEN_FRAMEBUFFER is builtin, I can't find the name of the module to modify it's 
options.

Oh well.

_______________________________________________
Xen-users mailing list
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http://lists.xensource.com/xen-users

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I have Kronos setup fine. I have installed open-iscsi and setup the system
as an initiator. However, I cannot seem to get xapi to allow me to setup the
target as an SR. I was trying to use XenCenter but go nowhere. So I tried
adding it manually and here is what I got:

xe sr-create host-uuid=466aac75-c86a-496f-90e8-2a9925a9e9f7
content-type=user \
> name-label="Shared LVM over iSCSI SR" shared=true \
> device-config:target=192.168.0.2
device-config:targetIQN=iqn.2011-12.store116ib.array1111:tgt \
> device-config:SCSIid=0 \
> type=lvmoiscsi
There was an SR backend failure.
status: non-zero exit
stdout: 
stderr: Traceback (most recent call last):
  File "/usr/lib/xen-common/xapi/sm/LVMoISCSISR", line 383, in <module>
    SRCommand.run(LVHDoISCSISR, DRIVER_INFO)
  File "/usr/lib/xen-common/xapi/sm/SRCommand.py", line 261, in run
    sr = driver(cmd, cmd.sr_uuid)
  File "/usr/lib/xen-common/xapi/sm/SR.py", line 136, in __init__
    self.load(sr_uuid)
  File "/usr/lib/xen-common/xapi/sm/LVMoISCSISR", line 156, in load
    self._pathrefresh(LVHDoISCSISR)
  File "/usr/lib/xen-common/xapi/sm/SR.py", line 466, in _pathrefresh
    self.dconf['device'] = self.mpathmodule.path(self.SCSIid)
  File "/usr/lib/xen-common/xapi/sm/mpath_dmp.py", line 258, in path
    if _is_mpath_daemon_running():
  File "/usr/lib/xen-common/xapi/sm/mpath_dmp.py", line 47, in
_is_mpath_daemon_running
    (rc,stdout,stderr) = util.doexec(cmd)
  File "/usr/lib/xen-common/xapi/sm/util.py", line 129, in doexec
    proc =
subprocess.Popen(args,stdin=subprocess.PIPE,stdout=subprocess.PIPE,stderr=su
bprocess.PIPE,close_fds=True)
  File "/usr/lib/python2.7/subprocess.py", line 679, in __init__
    errread, errwrite)
  File "/usr/lib/python2.7/subprocess.py", line 1249, in _execute_child
    raise child_exception
OSError: [Errno 2] No such file or directory

Does the current xapi have remote SR capability built into it yet?

If not, is it possible to set the SR as LVM and have it set to share=true so
that I can still have the benefits of live migrations etc?

Thanks,

Jonathan


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I have Kronos setup fine. I have installed open-iscsi and setup the system
as an initiator. However, I cannot seem to get xapi to allow me to setup the
target as an SR. I was trying to use XenCenter but go nowhere. So I tried
adding it manually and here is what I got:

xe sr-create host-uuid=466aac75-c86a-496f-90e8-2a9925a9e9f7
content-type=user \
> name-label="Shared LVM over iSCSI SR" shared=true \
> device-config:target=192.168.0.2
device-config:targetIQN=iqn.2011-12.store116ib.array1111:tgt \
> device-config:SCSIid=0 \
> type=lvmoiscsi
There was an SR backend failure.
status: non-zero exit
stdout: 
stderr: Traceback (most recent call last):
  File "/usr/lib/xen-common/xapi/sm/LVMoISCSISR", line 383, in <module>
    SRCommand.run(LVHDoISCSISR, DRIVER_INFO)
  File "/usr/lib/xen-common/xapi/sm/SRCommand.py", line 261, in run
    sr = driver(cmd, cmd.sr_uuid)
  File "/usr/lib/xen-common/xapi/sm/SR.py", line 136, in __init__
    self.load(sr_uuid)
  File "/usr/lib/xen-common/xapi/sm/LVMoISCSISR", line 156, in load
    self._pathrefresh(LVHDoISCSISR)
  File "/usr/lib/xen-common/xapi/sm/SR.py", line 466, in _pathrefresh
    self.dconf['device'] = self.mpathmodule.path(self.SCSIid)
  File "/usr/lib/xen-common/xapi/sm/mpath_dmp.py", line 258, in path
    if _is_mpath_daemon_running():
  File "/usr/lib/xen-common/xapi/sm/mpath_dmp.py", line 47, in
_is_mpath_daemon_running
    (rc,stdout,stderr) = util.doexec(cmd)
  File "/usr/lib/xen-common/xapi/sm/util.py", line 129, in doexec
    proc =
subprocess.Popen(args,stdin=subprocess.PIPE,stdout=subprocess.PIPE,stderr=su
bprocess.PIPE,close_fds=True)
  File "/usr/lib/python2.7/subprocess.py", line 679, in __init__
    errread, errwrite)
  File "/usr/lib/python2.7/subprocess.py", line 1249, in _execute_child
    raise child_exception
OSError: [Errno 2] No such file or directory

Does the current xapi have remote SR capability built into it yet?

If not, is it possible to set the SR as LVM and have it set to share=true so
that I can still have the benefits of live migrations etc?

Thanks,

Jonathan


_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

From xen-users-bounces@lists.xensource.com Wed Dec 07 11:03:49 2011
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Subject: [Xen-users] number of VCPU doesn't change after changing the config
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Hello,

after installing many guest systems I realised that three of them need more
than one core. So I changed the config file with

vcpus=2

But that doesn't help and the command

xm vcpu-set ...

doesn't change the actual number of vcpus either. It is weird that the dom0
appears as many as the number of cores if I use "xm vcpu-list":

Name                              ID VCPUs   CPU State   Time(s) CPU
Affinity
Domain-0                           0     0     0   r--  113841.1 0
Domain-0                           0     1     -   --p   45409.1 1
Domain-0                           0     2     -   --p    4053.7 2
Domain-0                           0     3     -   --p     454.2 3
...

Maybe someone can help me?

Best regards
Karlsson

--
View this message in context: http://xen.1045712.n5.nabble.com/number-of-VCPU-doesn-t-change-after-changing-the-config-file-or-using-the-command-xm-vcpu-set-tp5052202p5052202.html
Sent from the Xen - User mailing list archive at Nabble.com.

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Hello,

after installing many guest systems I realised that three of them need more
than one core. So I changed the config file with

vcpus=2

But that doesn't help and the command

xm vcpu-set ...

doesn't change the actual number of vcpus either. It is weird that the dom0
appears as many as the number of cores if I use "xm vcpu-list":

Name                              ID VCPUs   CPU State   Time(s) CPU
Affinity
Domain-0                           0     0     0   r--  113841.1 0
Domain-0                           0     1     -   --p   45409.1 1
Domain-0                           0     2     -   --p    4053.7 2
Domain-0                           0     3     -   --p     454.2 3
...

Maybe someone can help me?

Best regards
Karlsson

--
View this message in context: http://xen.1045712.n5.nabble.com/number-of-VCPU-doesn-t-change-after-changing-the-config-file-or-using-the-command-xm-vcpu-set-tp5052202p5052202.html
Sent from the Xen - User mailing list archive at Nabble.com.

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From xen-users-bounces@lists.xensource.com Wed Dec 07 11:18:50 2011
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Subject: [Xen-users] Strange memory issue
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Hello,

I would like to ask you some clarification about the memory management in the
XEN hypervisor, because I had some bad experiences using my PC when the dom0
is running.

I have 4GB of RAM on my system, and they are absolutely not faulty, so, when I
boot with a "traditional" kernel, I can see them all if I perform a
"cat /proc/meminfo"
or "free", as regard the total amount of available memory.

What happens here is that when I boot the same kernel, but using the xen.gz
hypervisor, the total amount of RAM is less than 4 GB. The main reason why I am
curious is that this value randomly changes. In practise, when booting
the dom0,
one time I can see 1,5GB of TOTAL RAM, once 1GB, once 3GB, and so on.

For instance, this is what I see now:
$ free
             total       used       free     shared    buffers     cached
Mem:       3225484    1669384    1556100

$ cat /proc/meminfo |grep MemTotal
MemTotal:        3225484 kB

Furthermore, the amount of free RAM is making me worried, because, sometime
if I perform some heavy load processing (e.g. kernel compilations) my system
freezes, especially if Mozilla Firefox is open.

Talking with a friend of mine, I deduced that the dom0 takes
(reserves) a certain amount
of RAM. Is it that correct? How does it work?
Is there a way to rule this behaviour? Is it possible to tell the dom0
how much RAM to
take?

I'm running Gentoo Linux x86_64 kernel 3.1.3.

Thanks,

-- 
Flavio

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Subject: [Xen-users] Strange memory issue
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Hello,

I would like to ask you some clarification about the memory management in the
XEN hypervisor, because I had some bad experiences using my PC when the dom0
is running.

I have 4GB of RAM on my system, and they are absolutely not faulty, so, when I
boot with a "traditional" kernel, I can see them all if I perform a
"cat /proc/meminfo"
or "free", as regard the total amount of available memory.

What happens here is that when I boot the same kernel, but using the xen.gz
hypervisor, the total amount of RAM is less than 4 GB. The main reason why I am
curious is that this value randomly changes. In practise, when booting
the dom0,
one time I can see 1,5GB of TOTAL RAM, once 1GB, once 3GB, and so on.

For instance, this is what I see now:
$ free
             total       used       free     shared    buffers     cached
Mem:       3225484    1669384    1556100

$ cat /proc/meminfo |grep MemTotal
MemTotal:        3225484 kB

Furthermore, the amount of free RAM is making me worried, because, sometime
if I perform some heavy load processing (e.g. kernel compilations) my system
freezes, especially if Mozilla Firefox is open.

Talking with a friend of mine, I deduced that the dom0 takes
(reserves) a certain amount
of RAM. Is it that correct? How does it work?
Is there a way to rule this behaviour? Is it possible to tell the dom0
how much RAM to
take?

I'm running Gentoo Linux x86_64 kernel 3.1.3.

Thanks,

-- 
Flavio

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Subject: [Xen-users] vnc stops working after a while
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Hi everyone,

the issue I'm describing here has to do with para-virtual domUs, 
although I don't know if it also affects full-virtualized machines, I 
have none to test against.

My problem is that I have some domUs with VNC set up, but VNC stops 
working after some hours/days after the domU is "xm created".  It 
actually varies every time, I cannot say it fails after 5 hours or 2 
days every time.

I'm not talking here about black screens after a while. This will always 
get "fixed" by pressing the Enter button and you'll get the login screen 
again. The issue here is that if i create a machine and then leave it 
alone with no load at all and no reboots or anything done on it, VNC 
won't work anymore until I reboot the machine.

I always work with Debian Squeeze dom0's and Xen 4.0. My domus are 
debian squeeze, ubuntu and fedora, although that does not make any 
difference at all, as I've seen the same kind of problem in the three 
systems.

When this happens, the only thing I can do is shut down the machine 
(rebooting not always works) and create it again. I don't know whether 
VNC depends on xend or has nothing to do at all with it, but restarting 
xend doesn't fix this problem.
Until I reboot the machine, VNC client will say:


vncviewer 42.XXXX:5900
connected to host 42.XXXX port 5900
..........


and it will wait for ever. It doesn't matter if you use tightvnc, 
vncviewer or orther software, none is capable of connecting properly.

Actually, it looks as if it was working, as it doesn't throw any 
connection problem or timeout or anything, but it just doesn't do 
anything else, it only connects.

Thanks.

-- 
Jordi Moles Blanco
Sistemes Cdmon.com
___________________________
Tlf: 902 36 41 38
Tlf: 93 567 75 77
mailto: jordi@cdmon.com
http://www.cdmon.com


_______________________________________________
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http://lists.xensource.com/xen-users

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Hi everyone,

the issue I'm describing here has to do with para-virtual domUs, 
although I don't know if it also affects full-virtualized machines, I 
have none to test against.

My problem is that I have some domUs with VNC set up, but VNC stops 
working after some hours/days after the domU is "xm created".  It 
actually varies every time, I cannot say it fails after 5 hours or 2 
days every time.

I'm not talking here about black screens after a while. This will always 
get "fixed" by pressing the Enter button and you'll get the login screen 
again. The issue here is that if i create a machine and then leave it 
alone with no load at all and no reboots or anything done on it, VNC 
won't work anymore until I reboot the machine.

I always work with Debian Squeeze dom0's and Xen 4.0. My domus are 
debian squeeze, ubuntu and fedora, although that does not make any 
difference at all, as I've seen the same kind of problem in the three 
systems.

When this happens, the only thing I can do is shut down the machine 
(rebooting not always works) and create it again. I don't know whether 
VNC depends on xend or has nothing to do at all with it, but restarting 
xend doesn't fix this problem.
Until I reboot the machine, VNC client will say:


vncviewer 42.XXXX:5900
connected to host 42.XXXX port 5900
..........


and it will wait for ever. It doesn't matter if you use tightvnc, 
vncviewer or orther software, none is capable of connecting properly.

Actually, it looks as if it was working, as it doesn't throw any 
connection problem or timeout or anything, but it just doesn't do 
anything else, it only connects.

Thanks.

-- 
Jordi Moles Blanco
Sistemes Cdmon.com
___________________________
Tlf: 902 36 41 38
Tlf: 93 567 75 77
mailto: jordi@cdmon.com
http://www.cdmon.com


_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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>________________________________________
>From: xen-users-bounces@lists.xensource.com [xen-users-bounces@lists.xensource.com] On Behalf Of Flavio [fbcyborg@gmail.com]
>Sent: 07 December 2011 12:16
>To: xen-users@lists.xensource.com
>Subject: [Xen-users] Strange memory issue
>
>Hello,
>
>I would like to ask you some clarification about the memory management in the
>XEN hypervisor, because I had some bad experiences using my PC when the dom0
>is running.
>
>I have 4GB of RAM on my system, and they are absolutely not faulty, so, when I
>boot with a "traditional" kernel, I can see them all if I perform a
>"cat /proc/meminfo"
>or "free", as regard the total amount of available memory.
>
>What happens here is that when I boot the same kernel, but using the xen.gz
>hypervisor, the total amount of RAM is less than 4 GB. The main reason why I am
>curious is that this value randomly changes. In practise, when booting
>the dom0,
>one time I can see 1,5GB of TOTAL RAM, once 1GB, once 3GB, and so on.
>
>For instance, this is what I see now:
>$ free
>             total       used       free     shared    buffers     cached
>Mem:       3225484    1669384    1556100
>
>$ cat /proc/meminfo |grep MemTotal
>MemTotal:        3225484 kB
>
>Furthermore, the amount of free RAM is making me worried, because, sometime
>if I perform some heavy load processing (e.g. kernel compilations) my system
>freezes, especially if Mozilla Firefox is open.
>
>Talking with a friend of mine, I deduced that the dom0 takes
>(reserves) a certain amount
>of RAM. Is it that correct? How does it work?
>Is there a way to rule this behaviour? Is it possible to tell the dom0
>how much RAM to
>take?
>
>I'm running Gentoo Linux x86_64 kernel 3.1.3.
>
>Thanks,
>
>--
>Flavio

This one might help eventually - Dom0 memory balooning.

http://wiki.xen.org/xenwiki/XenBestPractices


Regards

Matej 
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>________________________________________
>From: xen-users-bounces@lists.xensource.com [xen-users-bounces@lists.xensource.com] On Behalf Of Flavio [fbcyborg@gmail.com]
>Sent: 07 December 2011 12:16
>To: xen-users@lists.xensource.com
>Subject: [Xen-users] Strange memory issue
>
>Hello,
>
>I would like to ask you some clarification about the memory management in the
>XEN hypervisor, because I had some bad experiences using my PC when the dom0
>is running.
>
>I have 4GB of RAM on my system, and they are absolutely not faulty, so, when I
>boot with a "traditional" kernel, I can see them all if I perform a
>"cat /proc/meminfo"
>or "free", as regard the total amount of available memory.
>
>What happens here is that when I boot the same kernel, but using the xen.gz
>hypervisor, the total amount of RAM is less than 4 GB. The main reason why I am
>curious is that this value randomly changes. In practise, when booting
>the dom0,
>one time I can see 1,5GB of TOTAL RAM, once 1GB, once 3GB, and so on.
>
>For instance, this is what I see now:
>$ free
>             total       used       free     shared    buffers     cached
>Mem:       3225484    1669384    1556100
>
>$ cat /proc/meminfo |grep MemTotal
>MemTotal:        3225484 kB
>
>Furthermore, the amount of free RAM is making me worried, because, sometime
>if I perform some heavy load processing (e.g. kernel compilations) my system
>freezes, especially if Mozilla Firefox is open.
>
>Talking with a friend of mine, I deduced that the dom0 takes
>(reserves) a certain amount
>of RAM. Is it that correct? How does it work?
>Is there a way to rule this behaviour? Is it possible to tell the dom0
>how much RAM to
>take?
>
>I'm running Gentoo Linux x86_64 kernel 3.1.3.
>
>Thanks,
>
>--
>Flavio

This one might help eventually - Dom0 memory balooning.

http://wiki.xen.org/xenwiki/XenBestPractices


Regards

Matej 
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On 7 December 2011 12:34, Zary Matej <matej.zary@cvtisr.sk> wrote:
>
> This one might help eventually - Dom0 memory balooning.
>
> http://wiki.xen.org/xenwiki/XenBestPractices
Thanks a lot. This is now much more clear to me.
In this moment (I booted with no dom0_mem option) if I perform xl list,
I can see this:
Name                                        ID   Mem VCPUs      State   Time(s)
Domain-0                                     0  2321     4     r-----     724.5

I didn't understand to what memory "Mem" refers to. Consider the memory
values I've reported before. So putting the dom0_mem option into the kernel
grub line, what should I expect to be changed among "Mem" or "MemTotal"?
I cannot reboot in this very moment.

Reading the wiki, I suppose that putting dom0_mem=1024M, will give me this:
Name                                        ID   Mem VCPUs      State   Time(s)
Domain-0                                     0  1024     4     r-----     724.5
Right?

But I have some question, since I'm no longer using xend. I use the
new xl toolstack, and the wiki says "This can be done by editing
/etc/xen/xend-config.sxp...".

So, I would like to know if there is something to change (e.g.) in xl.conf file.

Thanks

-- 
Flavio

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On 7 December 2011 12:34, Zary Matej <matej.zary@cvtisr.sk> wrote:
>
> This one might help eventually - Dom0 memory balooning.
>
> http://wiki.xen.org/xenwiki/XenBestPractices
Thanks a lot. This is now much more clear to me.
In this moment (I booted with no dom0_mem option) if I perform xl list,
I can see this:
Name                                        ID   Mem VCPUs      State   Time(s)
Domain-0                                     0  2321     4     r-----     724.5

I didn't understand to what memory "Mem" refers to. Consider the memory
values I've reported before. So putting the dom0_mem option into the kernel
grub line, what should I expect to be changed among "Mem" or "MemTotal"?
I cannot reboot in this very moment.

Reading the wiki, I suppose that putting dom0_mem=1024M, will give me this:
Name                                        ID   Mem VCPUs      State   Time(s)
Domain-0                                     0  1024     4     r-----     724.5
Right?

But I have some question, since I'm no longer using xend. I use the
new xl toolstack, and the wiki says "This can be done by editing
/etc/xen/xend-config.sxp...".

So, I would like to know if there is something to change (e.g.) in xl.conf file.

Thanks

-- 
Flavio

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
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Subject: Re: [Xen-users] DomU pygrub issue - OSS Xen to XCP
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Post all PV  fields of VM (xe vm-list params and copypaste all fields 
with PV in name). Looks like you having bad settings for 
PV-bootloader(-args).

On 07.12.2011 11:35, Johnny Tao wrote:
> Hi, All
>
> I'm just new to this list, I'm started to dealing with OSS Xen to XCP 
> migration earlier this week, seem the domUs installed via virt-install 
> are function well,
> but domUs copied via dom0 are failed during bootup process, finally I 
> realize if I could fix this on my OSS Xen will resolve all.
> Can I have any suggestion from you please ?
>
> *Details*
>
> _Source XenHost_
> OS: CentOS 5.7 64Bit
> XEN: xen-3.0.3-132.el5
>
> _Target XenHost_
> OS: XCP 1.1
> XEN: xen-hypervisor-3.4.2-1.1.0.704.20055
>
> *Error Msg*
>
> Traceback (most recent call last):
>   File "/usr/bin/pygrub", line 693, in ?
>     data = fs.open_file(chosencfg["kernel"]).read()
> IOError: [Errno 2] No such file or directory
>
> Thanks
>
> -Johnny
>
>
>
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users


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<html>
  <head>
    <meta content="text/html; charset=ISO-8859-1"
      http-equiv="Content-Type">
  </head>
  <body text="#000000" bgcolor="#FFFFFF">
    Post all PV&nbsp; fields of VM (xe vm-list params and copypaste all
    fields with PV in name). Looks like you having bad settings for
    PV-bootloader(-args).<br>
    <br>
    On 07.12.2011 11:35, Johnny Tao wrote:
    <blockquote
cite="mid:CABVfK+2JJb+9oimO1=u+cE_mO6VtNWq8bO6cURaexydFW4eSVw@mail.gmail.com"
      type="cite">Hi, All
      <div><br>
      </div>
      <div>I'm just new to this list, I'm started to dealing with OSS
        Xen to XCP migration earlier this week, seem the domUs installed
        via virt-install are function well,</div>
      <div>but domUs copied via dom0 are failed during bootup process,
        finally I&nbsp;<span class="Apple-style-span" style="color: rgb(49,
          49, 49); font-family: Arial, sans-serif; font-size: 12px; ">realize
          if I could fix this on my OSS Xen will resolve all.&nbsp;</span></div>
      <div><span class="Apple-style-span" style="color: rgb(49, 49, 49);
          font-family: Arial, sans-serif; font-size: 12px; "><span
            class="Apple-style-span" style="font-family: arial;
            font-size: small; color: rgb(0, 0, 0); ">
            <div>
              <div>Can I have any suggestion from you please ?</div>
            </div>
            <div><br>
            </div>
          </span></span></div>
      <div>&nbsp;</div>
      <div><b>Details</b></div>
      <div><br>
      </div>
      <div><u>Source XenHost</u></div>
      <div>OS: CentOS 5.7 64Bit</div>
      <div>XEN:&nbsp;xen-3.0.3-132.el5</div>
      <div><br>
      </div>
      <div><u>Target XenHost</u></div>
      <div>OS: XCP 1.1</div>
      <div>XEN:&nbsp;xen-hypervisor-3.4.2-1.1.0.704.20055</div>
      <div><br>
      </div>
      <div><b>Error Msg</b></div>
      <div><br>
      </div>
      <div>
        <div>Traceback (most recent call last):</div>
        <div>&nbsp; File "/usr/bin/pygrub", line 693, in ?</div>
        <div>&nbsp; &nbsp; data = fs.open_file(chosencfg["kernel"]).read()</div>
        <div>IOError: [Errno 2] No such file or directory</div>
      </div>
      <div><br>
      </div>
      <div>Thanks&nbsp;</div>
      <div><br>
      </div>
      <div>-Johnny</div>
      <div><br>
      </div>
      <div><br>
      </div>
      <div><br>
      </div>
      <div>&nbsp;</div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
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    <br>
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Subject: Re: [Xen-users] DomU pygrub issue - OSS Xen to XCP
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Post all PV  fields of VM (xe vm-list params and copypaste all fields 
with PV in name). Looks like you having bad settings for 
PV-bootloader(-args).

On 07.12.2011 11:35, Johnny Tao wrote:
> Hi, All
>
> I'm just new to this list, I'm started to dealing with OSS Xen to XCP 
> migration earlier this week, seem the domUs installed via virt-install 
> are function well,
> but domUs copied via dom0 are failed during bootup process, finally I 
> realize if I could fix this on my OSS Xen will resolve all.
> Can I have any suggestion from you please ?
>
> *Details*
>
> _Source XenHost_
> OS: CentOS 5.7 64Bit
> XEN: xen-3.0.3-132.el5
>
> _Target XenHost_
> OS: XCP 1.1
> XEN: xen-hypervisor-3.4.2-1.1.0.704.20055
>
> *Error Msg*
>
> Traceback (most recent call last):
>   File "/usr/bin/pygrub", line 693, in ?
>     data = fs.open_file(chosencfg["kernel"]).read()
> IOError: [Errno 2] No such file or directory
>
> Thanks
>
> -Johnny
>
>
>
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users


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<html>
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    <meta content="text/html; charset=ISO-8859-1"
      http-equiv="Content-Type">
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  <body text="#000000" bgcolor="#FFFFFF">
    Post all PV&nbsp; fields of VM (xe vm-list params and copypaste all
    fields with PV in name). Looks like you having bad settings for
    PV-bootloader(-args).<br>
    <br>
    On 07.12.2011 11:35, Johnny Tao wrote:
    <blockquote
cite="mid:CABVfK+2JJb+9oimO1=u+cE_mO6VtNWq8bO6cURaexydFW4eSVw@mail.gmail.com"
      type="cite">Hi, All
      <div><br>
      </div>
      <div>I'm just new to this list, I'm started to dealing with OSS
        Xen to XCP migration earlier this week, seem the domUs installed
        via virt-install are function well,</div>
      <div>but domUs copied via dom0 are failed during bootup process,
        finally I&nbsp;<span class="Apple-style-span" style="color: rgb(49,
          49, 49); font-family: Arial, sans-serif; font-size: 12px; ">realize
          if I could fix this on my OSS Xen will resolve all.&nbsp;</span></div>
      <div><span class="Apple-style-span" style="color: rgb(49, 49, 49);
          font-family: Arial, sans-serif; font-size: 12px; "><span
            class="Apple-style-span" style="font-family: arial;
            font-size: small; color: rgb(0, 0, 0); ">
            <div>
              <div>Can I have any suggestion from you please ?</div>
            </div>
            <div><br>
            </div>
          </span></span></div>
      <div>&nbsp;</div>
      <div><b>Details</b></div>
      <div><br>
      </div>
      <div><u>Source XenHost</u></div>
      <div>OS: CentOS 5.7 64Bit</div>
      <div>XEN:&nbsp;xen-3.0.3-132.el5</div>
      <div><br>
      </div>
      <div><u>Target XenHost</u></div>
      <div>OS: XCP 1.1</div>
      <div>XEN:&nbsp;xen-hypervisor-3.4.2-1.1.0.704.20055</div>
      <div><br>
      </div>
      <div><b>Error Msg</b></div>
      <div><br>
      </div>
      <div>
        <div>Traceback (most recent call last):</div>
        <div>&nbsp; File "/usr/bin/pygrub", line 693, in ?</div>
        <div>&nbsp; &nbsp; data = fs.open_file(chosencfg["kernel"]).read()</div>
        <div>IOError: [Errno 2] No such file or directory</div>
      </div>
      <div><br>
      </div>
      <div>Thanks&nbsp;</div>
      <div><br>
      </div>
      <div>-Johnny</div>
      <div><br>
      </div>
      <div><br>
      </div>
      <div><br>
      </div>
      <div>&nbsp;</div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
Xen-users mailing list
<a class="moz-txt-link-abbreviated" href="mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.com</a>
<a class="moz-txt-link-freetext" href="http://lists.xensource.com/xen-users">http://lists.xensource.com/xen-users</a></pre>
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    <br>
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modify /etc/grub.d/20_linux_xen of manually insert entry in grub.cfg, for
example:

menuentry 'Squeeze con Linux 2.6.32-5-xen-amd64 e XEN 4 - RAID' --class
debian --class gnu-linux --class gnu --class os --class xen {
        set root='(RAID-ROOT)'
        echo    'Loading Linux 2.6.32-5-xen-amd64 ...'
        multiboot       /boot/xen.gz placeholder dom0_mem=1024M
        module  /boot/vmlinuz-2.6.32-5-xen-amd64 placeholder
root=/dev/mapper/RAID-ROOT ro  quiet
        echo    'Loading initial ramdisk ...'
        module  /boot/initrd.img-2.6.32-5-xen-amd64
}

need to change root and optional parameters with your

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modify /etc/grub.d/20_linux_xen of manually insert entry in grub.cfg, for
example:

menuentry 'Squeeze con Linux 2.6.32-5-xen-amd64 e XEN 4 - RAID' --class
debian --class gnu-linux --class gnu --class os --class xen {
        set root='(RAID-ROOT)'
        echo    'Loading Linux 2.6.32-5-xen-amd64 ...'
        multiboot       /boot/xen.gz placeholder dom0_mem=1024M
        module  /boot/vmlinuz-2.6.32-5-xen-amd64 placeholder
root=/dev/mapper/RAID-ROOT ro  quiet
        echo    'Loading initial ramdisk ...'
        module  /boot/initrd.img-2.6.32-5-xen-amd64
}

need to change root and optional parameters with your

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Cc: xen-users@lists.xensource.com, "Fajar A. Nugraha" <list@fajar.net>
Subject: Re: [Xen-users] OpenSuse 11 hvm domU: screen resolution up to
	640x480
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On 7 December 2011 07:15, jim burns <jim_burn@bellsouth.net> wrote:
> Ok -  I got curious about your pv install method, and tried it myself. It
> actually did work, but you may not be aware of it.
>
> First, given your config, it looks like all you did was an 'xl create ...' to
> start your install.
Yes, I actually did xl create opensuse11.cfg && xl vncviewer `xl domid
OpenSuse11`
Then in the vnc viewer at a certain point, a message appears and it
says to enter the
domU via ssh. So performing the following command, the graphical setup starts:
ssh -X root@<domU_IP> and then start yast (see screenshots below).

At this point, I proceed with the graphical setup up to the end, where
a reboot is
required. Actually it says: "The system will reboot now. After reboot, reconnect
and run the following: /usr/lib/YaST2/startup/YaST2.ssh"

Here's a screenshot: http://goo.gl/8DKSF

At this point I tried to boot as you said, using pygrub, and it actually worked!
I don't know why it didn't work for me before!

I tried to xl create with the following config file:
name="OpenSuse11"
memory=1024
disk = ['file:/mnt/xen/vmstore/opensuse11/opensuse11.img,xvda,w' ]
vif = [ 'type=ioemu, mac=00:16:3e:00:00:21, bridge=xenbr0' ]
vfb = [ "type=vnc,vncunused=1,vnclisten=0.0.0.0,keymap=it" ]
stdvga=1
videoram=16
bootloader = "/usr/bin/pygrub"
vcpus=1
on_reboot = 'restart'
on_crash = 'destroy'

xl create opensuse11.cfg -c
I see the pygrub with the following kernels:
openSUSE 11.4 - 2.6.37.1-1.2 (default)
Xen -- openSUSE 11.4 - 2.6.37.1-1.2

I try to hit on Xen and it finally started!
so xl vncviewer `xl domid OpenSuse11` gives me the vnc window that stops at
this screen: http://goo.gl/4qMaV

At this point I can ssh -X root@192.168.1.104 and issue the following command:
/usr/lib/YaST2/startup/YaST2.ssh, because I am now in the new system.

Finally the Automatic Configuration starts and I can finish the
installation process.
After that, the boot continues in the vnc viewer and I can proceed
with the login.
Of course the boot process continues on the domU console too (where
the pygrub started).
In this case, the mouse doesn't work for me too! :(
Let's investigate if some option is missing in the configuration file.
The pointer doesn't move but click works.
See this: http://xen.1045712.n5.nabble.com/OpenSuse-11-PV-domU-installation-problem-the-mouse-pointer-doesn-t-move-but-click-works-td4998460.html

I had this problem in the installation process before. The strange fact is that
the mouse works with yast but not with vnc.
Something tells me that it is a OpenSuse 11.4 issue, so I'm going to
download the
12.1 version of the DVD and to try a new PV setup (now that I know how
to complete
the setup!!!).

> You (again) didn't use something like virt-install / virt-
> manager to control your install. If so, you are only using xen tools, and
> nothing specific to Gentoo, and this approach would work on any distro's dom0.
Yes, I'm pretty sure of that.

>
> Anyway, that's what I did, with this config patterned after the one you
> posted, with local differences, and hvm directives removed (and by the way,
> 'vcpus' was misspelled):
Was it misspelled? I've checked. I didn't notice that. Anyway...

> [...]
> (This is what I mean about details of
> the install dvd that only that distro's own install routines, like Yast, would
> know, and a generic install routine, like virt-manager, from some other distro
> might not.)
Yes, I've actually taken both the initrd and the kernel from the Suse DVD:
boot/x86_64/vmlinuz-xen
boot/x86_64/initrd-xen

> That kernel & initrd started the install, and then I had to pick
> one of the Network install methods, after clicking on 'Back' to get to a menu.
> (Yes - it is a *pain* not having the mouse work. Fortunately, each option on
> each screen in Yast has an underlined letter. That letter, held down with the
> Alt key, selects that option.)
Yes, but not in the first screen! http://goo.gl/6EymS in wich I don't
know how to
press close!
:P

> I tried un-commenting the install= line above,
> and it did not save me any time. I still had to enter info into the Network
> install screens every time.
Not for me. I really don't understand why this happens to you. The
network configuration
is quite automatic for me.

Now, coming back again on how to start the installation process:
here's again the script I am using to launch the setup:

name="OpenSuse11"
memory=1024
disk = ['file:/mnt/xen/vmstore/opensuse11/opensuse11.img,xvda,w' ]
vif = [ 'type=ioemu, mac=00:16:3e:00:00:21, bridge=xenbr0' ]
vfb = [ "type=vnc,vncunused=1,vnclisten=0.0.0.0,keymap=it" ]
stdvga=1
videoram=16
kernel = "/mnt/xen/kernel/opensuse/vmlinuz-xen"
ramdisk = "/mnt/xen/kernel/opensuse/initrd-xen"
vcpus=1
on_reboot = 'restart'
on_crash = 'destroy'
extra = 'noapic ssh=1 sshpassword=lolrofl addswap=/dev/xvda2
install=http://192.168.1.100/suse11/'

Then: xl create opensuse11.cfg && xl vncviewer `xl domid OpenSuse11`
When the boot has finished: ssh -X root@<domU_IP> and then start yast.
No problem with the mouse pointer here.
Maybe we did all things differently? Or maybe there is a misunderstanding.
Maybe I am talking about the setup process, and you are talking about the domU
once it is up and running. Anyway, I think it should be clear now that the
mouse pointer doesn't work at the end, when it is running, not during
the setup process with yast.

> Anyway, two hours later, the vnc window disappeared. (This is about the point
> in the install where you started having problems.)
In truth, I didn't have this problem. My vncviewer window didn't
disappear. I simply closed it
because it is useless, since it is like this during the setup:
http://goo.gl/tfF9l
As you can see, once you do as the message suggests, the yast
installer starts in another
window: http://goo.gl/glvtK

Instead, it is the yast window that is going to disappear because it
has a countdown for the
reboot, and if you don't get it on time at the end of the setup, you
may think that the window has disappeared without any
reason, or because of a crash for instance.

> After the install finished, I changed the config file - un-comment the
> bootloader= line, and comment out the kernel= & ramdisk= lines. I then did an
> 'xm create ... -c' to be sure that grub was setup right, and then exited the
> domu's console, and did an 'xm vncviewer ...', and I am now staring at the KDE
> desktop.
Well, thanks to your tip above, I was able to go ahead with the setup
where I was
blocked. Now, I've noticed that I could start KDE as root but not as a
normal user.
Maybe it is due to a permission issue, or a missing group membership. I have to
investigate also on it.

> This is the menu.lst it installed. Notice it has kernel-desktop, and
> kernel-xen installed, with the kernel-xen as the default menu item, so the 'xm
> create' with the '-c' option was not necessary. I could have gone straight
> into a vncviewer. (I don't think menu.lst will be setup until you are past the
> Automatic Configuration step, so I didn't switch comments on bootloader and
> kernel / ramdisk till after then.)
This is pretty good. Actually I think it detects that it is a PV domU
and it installs
also the kernel-xen setting it as the default kernel. Good!

> Unfortunately, the desktop I'm looking at is 800x600, so we are back to one of
> the original problems. I'll try putting 'vga=0x31a' in menu.lst, or Fajar's
> suggestions about setting resolution in a pv domu, in the next day or two, and
> tell you what I come up with.
So, no higher resolution than 800x600 with some xorg.conf trick? Bad... Anyway,
the first problem to solve now is the mouse pointer. This has the highest
priority now.

On 7 December 2011 11:08, jim burns <jim_burn@bellsouth.net> wrote:
> Well, this is fairly useless. The mouse doesn't work at all, so the desktop is
> unusable. I have to 'xm console ...' in to give commands. I turned on sshd,
> and changed the SuSEfirewall rules so I can use ssh as well.
I really don't understand why the mouse doesn't work. I'm really frustrated.

>
> The resolution is unchangeable. The hvm tricks that worked - vga=0x31a, or
> defining an xorg.conf don't work.
:-(

> And Fajar's xen-fbfront.video=32,1280,1024
> option in menu.lst didn't either. I wouldn't be surprised if suse renamed the
> module, though, like it renamed xennet and xenblk. However, since
> XEN_FRAMEBUFFER is builtin, I can't find the name of the module to modify it's
> options.
Maybe one solution is to recompile the kernel and put it as module.
We should try. The problem is that it is a very long process if we use
the config
file provided by the distro.
Pheraps we could try an "external" domU kernel, and not using pygrub
but something
like the following line in the configuration file:
kernel = "/mnt/xen/kernel/vmlinuz-xen-3.1.0-domU"
I use that kernel to start a gentoo pv domU and it works.

Thanks!
-- 
Flavio

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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From: Flavio <fbcyborg@gmail.com>
Date: Wed, 7 Dec 2011 17:54:34 +0100
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To: jim burns <jim_burn@bellsouth.net>
Cc: xen-users@lists.xensource.com, "Fajar A. Nugraha" <list@fajar.net>
Subject: Re: [Xen-users] OpenSuse 11 hvm domU: screen resolution up to
	640x480
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On 7 December 2011 07:15, jim burns <jim_burn@bellsouth.net> wrote:
> Ok -  I got curious about your pv install method, and tried it myself. It
> actually did work, but you may not be aware of it.
>
> First, given your config, it looks like all you did was an 'xl create ...' to
> start your install.
Yes, I actually did xl create opensuse11.cfg && xl vncviewer `xl domid
OpenSuse11`
Then in the vnc viewer at a certain point, a message appears and it
says to enter the
domU via ssh. So performing the following command, the graphical setup starts:
ssh -X root@<domU_IP> and then start yast (see screenshots below).

At this point, I proceed with the graphical setup up to the end, where
a reboot is
required. Actually it says: "The system will reboot now. After reboot, reconnect
and run the following: /usr/lib/YaST2/startup/YaST2.ssh"

Here's a screenshot: http://goo.gl/8DKSF

At this point I tried to boot as you said, using pygrub, and it actually worked!
I don't know why it didn't work for me before!

I tried to xl create with the following config file:
name="OpenSuse11"
memory=1024
disk = ['file:/mnt/xen/vmstore/opensuse11/opensuse11.img,xvda,w' ]
vif = [ 'type=ioemu, mac=00:16:3e:00:00:21, bridge=xenbr0' ]
vfb = [ "type=vnc,vncunused=1,vnclisten=0.0.0.0,keymap=it" ]
stdvga=1
videoram=16
bootloader = "/usr/bin/pygrub"
vcpus=1
on_reboot = 'restart'
on_crash = 'destroy'

xl create opensuse11.cfg -c
I see the pygrub with the following kernels:
openSUSE 11.4 - 2.6.37.1-1.2 (default)
Xen -- openSUSE 11.4 - 2.6.37.1-1.2

I try to hit on Xen and it finally started!
so xl vncviewer `xl domid OpenSuse11` gives me the vnc window that stops at
this screen: http://goo.gl/4qMaV

At this point I can ssh -X root@192.168.1.104 and issue the following command:
/usr/lib/YaST2/startup/YaST2.ssh, because I am now in the new system.

Finally the Automatic Configuration starts and I can finish the
installation process.
After that, the boot continues in the vnc viewer and I can proceed
with the login.
Of course the boot process continues on the domU console too (where
the pygrub started).
In this case, the mouse doesn't work for me too! :(
Let's investigate if some option is missing in the configuration file.
The pointer doesn't move but click works.
See this: http://xen.1045712.n5.nabble.com/OpenSuse-11-PV-domU-installation-problem-the-mouse-pointer-doesn-t-move-but-click-works-td4998460.html

I had this problem in the installation process before. The strange fact is that
the mouse works with yast but not with vnc.
Something tells me that it is a OpenSuse 11.4 issue, so I'm going to
download the
12.1 version of the DVD and to try a new PV setup (now that I know how
to complete
the setup!!!).

> You (again) didn't use something like virt-install / virt-
> manager to control your install. If so, you are only using xen tools, and
> nothing specific to Gentoo, and this approach would work on any distro's dom0.
Yes, I'm pretty sure of that.

>
> Anyway, that's what I did, with this config patterned after the one you
> posted, with local differences, and hvm directives removed (and by the way,
> 'vcpus' was misspelled):
Was it misspelled? I've checked. I didn't notice that. Anyway...

> [...]
> (This is what I mean about details of
> the install dvd that only that distro's own install routines, like Yast, would
> know, and a generic install routine, like virt-manager, from some other distro
> might not.)
Yes, I've actually taken both the initrd and the kernel from the Suse DVD:
boot/x86_64/vmlinuz-xen
boot/x86_64/initrd-xen

> That kernel & initrd started the install, and then I had to pick
> one of the Network install methods, after clicking on 'Back' to get to a menu.
> (Yes - it is a *pain* not having the mouse work. Fortunately, each option on
> each screen in Yast has an underlined letter. That letter, held down with the
> Alt key, selects that option.)
Yes, but not in the first screen! http://goo.gl/6EymS in wich I don't
know how to
press close!
:P

> I tried un-commenting the install= line above,
> and it did not save me any time. I still had to enter info into the Network
> install screens every time.
Not for me. I really don't understand why this happens to you. The
network configuration
is quite automatic for me.

Now, coming back again on how to start the installation process:
here's again the script I am using to launch the setup:

name="OpenSuse11"
memory=1024
disk = ['file:/mnt/xen/vmstore/opensuse11/opensuse11.img,xvda,w' ]
vif = [ 'type=ioemu, mac=00:16:3e:00:00:21, bridge=xenbr0' ]
vfb = [ "type=vnc,vncunused=1,vnclisten=0.0.0.0,keymap=it" ]
stdvga=1
videoram=16
kernel = "/mnt/xen/kernel/opensuse/vmlinuz-xen"
ramdisk = "/mnt/xen/kernel/opensuse/initrd-xen"
vcpus=1
on_reboot = 'restart'
on_crash = 'destroy'
extra = 'noapic ssh=1 sshpassword=lolrofl addswap=/dev/xvda2
install=http://192.168.1.100/suse11/'

Then: xl create opensuse11.cfg && xl vncviewer `xl domid OpenSuse11`
When the boot has finished: ssh -X root@<domU_IP> and then start yast.
No problem with the mouse pointer here.
Maybe we did all things differently? Or maybe there is a misunderstanding.
Maybe I am talking about the setup process, and you are talking about the domU
once it is up and running. Anyway, I think it should be clear now that the
mouse pointer doesn't work at the end, when it is running, not during
the setup process with yast.

> Anyway, two hours later, the vnc window disappeared. (This is about the point
> in the install where you started having problems.)
In truth, I didn't have this problem. My vncviewer window didn't
disappear. I simply closed it
because it is useless, since it is like this during the setup:
http://goo.gl/tfF9l
As you can see, once you do as the message suggests, the yast
installer starts in another
window: http://goo.gl/glvtK

Instead, it is the yast window that is going to disappear because it
has a countdown for the
reboot, and if you don't get it on time at the end of the setup, you
may think that the window has disappeared without any
reason, or because of a crash for instance.

> After the install finished, I changed the config file - un-comment the
> bootloader= line, and comment out the kernel= & ramdisk= lines. I then did an
> 'xm create ... -c' to be sure that grub was setup right, and then exited the
> domu's console, and did an 'xm vncviewer ...', and I am now staring at the KDE
> desktop.
Well, thanks to your tip above, I was able to go ahead with the setup
where I was
blocked. Now, I've noticed that I could start KDE as root but not as a
normal user.
Maybe it is due to a permission issue, or a missing group membership. I have to
investigate also on it.

> This is the menu.lst it installed. Notice it has kernel-desktop, and
> kernel-xen installed, with the kernel-xen as the default menu item, so the 'xm
> create' with the '-c' option was not necessary. I could have gone straight
> into a vncviewer. (I don't think menu.lst will be setup until you are past the
> Automatic Configuration step, so I didn't switch comments on bootloader and
> kernel / ramdisk till after then.)
This is pretty good. Actually I think it detects that it is a PV domU
and it installs
also the kernel-xen setting it as the default kernel. Good!

> Unfortunately, the desktop I'm looking at is 800x600, so we are back to one of
> the original problems. I'll try putting 'vga=0x31a' in menu.lst, or Fajar's
> suggestions about setting resolution in a pv domu, in the next day or two, and
> tell you what I come up with.
So, no higher resolution than 800x600 with some xorg.conf trick? Bad... Anyway,
the first problem to solve now is the mouse pointer. This has the highest
priority now.

On 7 December 2011 11:08, jim burns <jim_burn@bellsouth.net> wrote:
> Well, this is fairly useless. The mouse doesn't work at all, so the desktop is
> unusable. I have to 'xm console ...' in to give commands. I turned on sshd,
> and changed the SuSEfirewall rules so I can use ssh as well.
I really don't understand why the mouse doesn't work. I'm really frustrated.

>
> The resolution is unchangeable. The hvm tricks that worked - vga=0x31a, or
> defining an xorg.conf don't work.
:-(

> And Fajar's xen-fbfront.video=32,1280,1024
> option in menu.lst didn't either. I wouldn't be surprised if suse renamed the
> module, though, like it renamed xennet and xenblk. However, since
> XEN_FRAMEBUFFER is builtin, I can't find the name of the module to modify it's
> options.
Maybe one solution is to recompile the kernel and put it as module.
We should try. The problem is that it is a very long process if we use
the config
file provided by the distro.
Pheraps we could try an "external" domU kernel, and not using pygrub
but something
like the following line in the configuration file:
kernel = "/mnt/xen/kernel/vmlinuz-xen-3.1.0-domU"
I use that kernel to start a gentoo pv domU and it works.

Thanks!
-- 
Flavio

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Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Thread-Topic: [Xen-users] DomU pygrub issue - OSS Xen to XCP
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Date: Wed, 7 Dec 2011 17:16:31 +0000
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Also if you can please post your menu.lst or grub.cfg from the domU.

From: xen-users-bounces@lists.xensource.com [mailto:xen-users-bounces@lists=
.xensource.com] On Behalf Of George Shuklin
Sent: Wednesday, December 07, 2011 7:02 AM
To: xen-users@lists.xensource.com
Subject: Re: [Xen-users] DomU pygrub issue - OSS Xen to XCP

Post all PV  fields of VM (xe vm-list params and copypaste all fields with =
PV in name). Looks like you having bad settings for PV-bootloader(-args).

On 07.12.2011 11:35, Johnny Tao wrote:
Hi, All

I'm just new to this list, I'm started to dealing with OSS Xen to XCP migra=
tion earlier this week, seem the domUs installed via virt-install are funct=
ion well,
but domUs copied via dom0 are failed during bootup process, finally I reali=
ze if I could fix this on my OSS Xen will resolve all.
Can I have any suggestion from you please ?


Details

Source XenHost
OS: CentOS 5.7 64Bit
XEN: xen-3.0.3-132.el5

Target XenHost
OS: XCP 1.1
XEN: xen-hypervisor-3.4.2-1.1.0.704.20055

Error Msg

Traceback (most recent call last):
  File "/usr/bin/pygrub", line 693, in ?
    data =3D fs.open_file(chosencfg["kernel"]).read()
IOError: [Errno 2] No such file or directory

Thanks

-Johnny








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<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D">Also if you can please po=
st your menu.lst or grub.cfg from the domU.<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1F497D"><o:p>&nbsp;</o:p></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;;color:windowtext">From:</span></b><spa=
n style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif=
&quot;;color:windowtext"> xen-users-bounces@lists.xensource.com [mailto:xen=
-users-bounces@lists.xensource.com]
<b>On Behalf Of </b>George Shuklin<br>
<b>Sent:</b> Wednesday, December 07, 2011 7:02 AM<br>
<b>To:</b> xen-users@lists.xensource.com<br>
<b>Subject:</b> Re: [Xen-users] DomU pygrub issue - OSS Xen to XCP<o:p></o:=
p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Post all PV&nbsp; fields of VM (xe vm-list params an=
d copypaste all fields with PV in name). Looks like you having bad settings=
 for PV-bootloader(-args).<br>
<br>
On 07.12.2011 11:35, Johnny Tao wrote: <o:p></o:p></p>
<p class=3D"MsoNormal">Hi, All <o:p></o:p></p>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">I'm just new to this list, I'm started to dealing wi=
th OSS Xen to XCP migration earlier this week, seem the domUs installed via=
 virt-install are function well,<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">but domUs copied via dom0 are failed during bootup p=
rocess, finally I&nbsp;<span class=3D"apple-style-span"><span style=3D"font=
-size:9.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">realize i=
f I could fix this on my OSS Xen will resolve all.&nbsp;</span></span><o:p>=
</o:p></p>
</div>
<div>
<div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Arial&quot;,&quot;s=
ans-serif&quot;">Can I have any suggestion from you please ?<o:p></o:p></sp=
an></p>
</div>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Arial&quot;,&quot;s=
ans-serif&quot;"><o:p>&nbsp;</o:p></span></p>
</div>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><b>Details</b><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><u>Source XenHost</u><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">OS: CentOS 5.7 64Bit<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">XEN:&nbsp;xen-3.0.3-132.el5<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><u>Target XenHost</u><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">OS: XCP 1.1<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">XEN:&nbsp;xen-hypervisor-3.4.2-1.1.0.704.20055<o:p><=
/o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><b>Error Msg</b><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<div>
<p class=3D"MsoNormal">Traceback (most recent call last):<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp; File &quot;/usr/bin/pygrub&quot;, line 693, i=
n ?<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp; &nbsp; data =3D fs.open_file(chosencfg[&quot;=
kernel&quot;]).read()<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">IOError: [Errno 2] No such file or directory<o:p></o=
:p></p>
</div>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">Thanks&nbsp;<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">-Johnny<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;<o:p></o:p></p>
</div>
<p class=3D"MsoNormal"><br>
<br>
<br>
<o:p></o:p></p>
<pre>_______________________________________________<o:p></o:p></pre>
<pre>Xen-users mailing list<o:p></o:p></pre>
<pre><a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xenso=
urce.com</a><o:p></o:p></pre>
<pre><a href=3D"http://lists.xensource.com/xen-users">http://lists.xensourc=
e.com/xen-users</a><o:p></o:p></pre>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
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Thread-Topic: [Xen-users] DomU pygrub issue - OSS Xen to XCP
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Also if you can please post your menu.lst or grub.cfg from the domU.

From: xen-users-bounces@lists.xensource.com [mailto:xen-users-bounces@lists=
.xensource.com] On Behalf Of George Shuklin
Sent: Wednesday, December 07, 2011 7:02 AM
To: xen-users@lists.xensource.com
Subject: Re: [Xen-users] DomU pygrub issue - OSS Xen to XCP

Post all PV  fields of VM (xe vm-list params and copypaste all fields with =
PV in name). Looks like you having bad settings for PV-bootloader(-args).

On 07.12.2011 11:35, Johnny Tao wrote:
Hi, All

I'm just new to this list, I'm started to dealing with OSS Xen to XCP migra=
tion earlier this week, seem the domUs installed via virt-install are funct=
ion well,
but domUs copied via dom0 are failed during bootup process, finally I reali=
ze if I could fix this on my OSS Xen will resolve all.
Can I have any suggestion from you please ?


Details

Source XenHost
OS: CentOS 5.7 64Bit
XEN: xen-3.0.3-132.el5

Target XenHost
OS: XCP 1.1
XEN: xen-hypervisor-3.4.2-1.1.0.704.20055

Error Msg

Traceback (most recent call last):
  File "/usr/bin/pygrub", line 693, in ?
    data =3D fs.open_file(chosencfg["kernel"]).read()
IOError: [Errno 2] No such file or directory

Thanks

-Johnny








_______________________________________________

Xen-users mailing list

Xen-users@lists.xensource.com<mailto:Xen-users@lists.xensource.com>

http://lists.xensource.com/xen-users


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<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
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<div style=3D"border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;;color:windowtext">From:</span></b><spa=
n style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif=
&quot;;color:windowtext"> xen-users-bounces@lists.xensource.com [mailto:xen=
-users-bounces@lists.xensource.com]
<b>On Behalf Of </b>George Shuklin<br>
<b>Sent:</b> Wednesday, December 07, 2011 7:02 AM<br>
<b>To:</b> xen-users@lists.xensource.com<br>
<b>Subject:</b> Re: [Xen-users] DomU pygrub issue - OSS Xen to XCP<o:p></o:=
p></span></p>
</div>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Post all PV&nbsp; fields of VM (xe vm-list params an=
d copypaste all fields with PV in name). Looks like you having bad settings=
 for PV-bootloader(-args).<br>
<br>
On 07.12.2011 11:35, Johnny Tao wrote: <o:p></o:p></p>
<p class=3D"MsoNormal">Hi, All <o:p></o:p></p>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">I'm just new to this list, I'm started to dealing wi=
th OSS Xen to XCP migration earlier this week, seem the domUs installed via=
 virt-install are function well,<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">but domUs copied via dom0 are failed during bootup p=
rocess, finally I&nbsp;<span class=3D"apple-style-span"><span style=3D"font=
-size:9.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">realize i=
f I could fix this on my OSS Xen will resolve all.&nbsp;</span></span><o:p>=
</o:p></p>
</div>
<div>
<div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Arial&quot;,&quot;s=
ans-serif&quot;">Can I have any suggestion from you please ?<o:p></o:p></sp=
an></p>
</div>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Arial&quot;,&quot;s=
ans-serif&quot;"><o:p>&nbsp;</o:p></span></p>
</div>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><b>Details</b><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><u>Source XenHost</u><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">OS: CentOS 5.7 64Bit<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">XEN:&nbsp;xen-3.0.3-132.el5<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><u>Target XenHost</u><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">OS: XCP 1.1<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">XEN:&nbsp;xen-hypervisor-3.4.2-1.1.0.704.20055<o:p><=
/o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><b>Error Msg</b><o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<div>
<p class=3D"MsoNormal">Traceback (most recent call last):<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp; File &quot;/usr/bin/pygrub&quot;, line 693, i=
n ?<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp; &nbsp; data =3D fs.open_file(chosencfg[&quot;=
kernel&quot;]).read()<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal">IOError: [Errno 2] No such file or directory<o:p></o=
:p></p>
</div>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">Thanks&nbsp;<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">-Johnny<o:p></o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
<div>
<p class=3D"MsoNormal">&nbsp;<o:p></o:p></p>
</div>
<p class=3D"MsoNormal"><br>
<br>
<br>
<o:p></o:p></p>
<pre>_______________________________________________<o:p></o:p></pre>
<pre>Xen-users mailing list<o:p></o:p></pre>
<pre><a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xenso=
urce.com</a><o:p></o:p></pre>
<pre><a href=3D"http://lists.xensource.com/xen-users">http://lists.xensourc=
e.com/xen-users</a><o:p></o:p></pre>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
</body>
</html>

--_000_602C5EB92F9AFB4D89D11B9F5B7F135518C122F4SMDAG151softlay_--


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From: Flavio <fbcyborg@gmail.com>
Date: Wed, 7 Dec 2011 18:23:22 +0100
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To: Zary Matej <matej.zary@cvtisr.sk>
Cc: "xen-users@lists.xensource.com" <xen-users@lists.xensource.com>
Subject: Re: [Xen-users] Strange memory issue
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On 7 December 2011 13:54, Flavio <fbcyborg@gmail.com> wrote:
>
> Reading the wiki, I suppose that putting dom0_mem=3D1024M, will give me t=
his:
> Name =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0ID =A0 Mem VCPUs =A0 =A0 =A0State =A0 Time(s)
> Domain-0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 0 =A01024 =A0 =A0 4 =A0 =A0 r----- =A0 =A0 724.5
> Right?
OK, I tried to do as the wiki says but something very BAD happens.
The situation is worse than before.

I've put this line in the grub.conf:
kernel /xen.gz dom0_mem=3D1024M loglvl=3Dall guest_loglvl=3Dall

And actually I can see this:
# xl list
Name                                        ID   Mem VCPUs      State   Tim=
e(s)
Domain-0                                     0  1024     4     r-----      =
76.7

But these results are very absurd:
# free
             total       used       free
Mem:        890100     862140      27960

# cat /proc/meminfo
MemTotal:         890100 kB
MemFree:           28052 kB

Only 28MB free??? O_O

There is something that I did not understand or something not working here.

-- =

Flavio

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From: Flavio <fbcyborg@gmail.com>
Date: Wed, 7 Dec 2011 18:23:22 +0100
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To: Zary Matej <matej.zary@cvtisr.sk>
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On 7 December 2011 13:54, Flavio <fbcyborg@gmail.com> wrote:
>
> Reading the wiki, I suppose that putting dom0_mem=3D1024M, will give me t=
his:
> Name =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0ID =A0 Mem VCPUs =A0 =A0 =A0State =A0 Time(s)
> Domain-0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 0 =A01024 =A0 =A0 4 =A0 =A0 r----- =A0 =A0 724.5
> Right?
OK, I tried to do as the wiki says but something very BAD happens.
The situation is worse than before.

I've put this line in the grub.conf:
kernel /xen.gz dom0_mem=3D1024M loglvl=3Dall guest_loglvl=3Dall

And actually I can see this:
# xl list
Name                                        ID   Mem VCPUs      State   Tim=
e(s)
Domain-0                                     0  1024     4     r-----      =
76.7

But these results are very absurd:
# free
             total       used       free
Mem:        890100     862140      27960

# cat /proc/meminfo
MemTotal:         890100 kB
MemFree:           28052 kB

Only 28MB free??? O_O

There is something that I did not understand or something not working here.

-- =

Flavio

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From: Flavio <fbcyborg@gmail.com>
Date: Wed, 7 Dec 2011 18:40:26 +0100
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To: Zary Matej <matej.zary@cvtisr.sk>
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On 7 December 2011 18:23, Flavio <fbcyborg@gmail.com> wrote:
>
> # cat /proc/meminfo
> MemTotal: =A0 =A0 =A0 =A0 890100 kB
> MemFree: =A0 =A0 =A0 =A0 =A0 28052 kB
>
> Only 28MB free??? O_O
Something even worse happened here.
I've put dom0_mem=3D512M and this is what I can see:
# free
             total       used       free
Mem:        366832     335876      30956

# cat /proc/meminfo
MemTotal:         366832 kB
MemFree:           31052 kB

366MB of total RAM?
only 31MB free?

I try to put dom0_mem=3D4096M and see what it happens.

-- =

Flavio

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On 7 December 2011 18:23, Flavio <fbcyborg@gmail.com> wrote:
>
> # cat /proc/meminfo
> MemTotal: =A0 =A0 =A0 =A0 890100 kB
> MemFree: =A0 =A0 =A0 =A0 =A0 28052 kB
>
> Only 28MB free??? O_O
Something even worse happened here.
I've put dom0_mem=3D512M and this is what I can see:
# free
             total       used       free
Mem:        366832     335876      30956

# cat /proc/meminfo
MemTotal:         366832 kB
MemFree:           31052 kB

366MB of total RAM?
only 31MB free?

I try to put dom0_mem=3D4096M and see what it happens.

-- =

Flavio

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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On 7 December 2011 18:40, Flavio <fbcyborg@gmail.com> wrote:
> I try to put dom0_mem=4096M and see what it happens.
No, it's not correct. It reboots saying that there is no memory
for dom0.

At this point I have no more ideas.

-- 
Flavio

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On 7 December 2011 18:40, Flavio <fbcyborg@gmail.com> wrote:
> I try to put dom0_mem=4096M and see what it happens.
No, it's not correct. It reboots saying that there is no memory
for dom0.

At this point I have no more ideas.

-- 
Flavio

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The memory is all screwed up even on kernel 3.1 and still isn't fixed!



On 7 Dec 2011, at 17:49, "Flavio" <fbcyborg@gmail.com> wrote:

> On 7 December 2011 18:40, Flavio <fbcyborg@gmail.com> wrote:
>> I try to put dom0_mem=4096M and see what it happens.
> No, it's not correct. It reboots saying that there is no memory
> for dom0.
> 
> At this point I have no more ideas.
> 
> -- 
> Flavio
> 
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
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> 


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Date: Wed, 7 Dec 2011 17:51:26 +0000
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The memory is all screwed up even on kernel 3.1 and still isn't fixed!



On 7 Dec 2011, at 17:49, "Flavio" <fbcyborg@gmail.com> wrote:

> On 7 December 2011 18:40, Flavio <fbcyborg@gmail.com> wrote:
>> I try to put dom0_mem=4096M and see what it happens.
> No, it's not correct. It reboots saying that there is no memory
> for dom0.
> 
> At this point I have no more ideas.
> 
> -- 
> Flavio
> 
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
> 


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On 7 December 2011 18:51, Ian Tobin <itobin@tidyhosts.com> wrote:
> The memory is all screwed up even on kernel 3.1 and still isn't fixed!
OK, thanks for the info.
At least I have a reason for this behaviour.

Cheers,

Flavio

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On 7 December 2011 18:51, Ian Tobin <itobin@tidyhosts.com> wrote:
> The memory is all screwed up even on kernel 3.1 and still isn't fixed!
OK, thanks for the info.
At least I have a reason for this behaviour.

Cheers,

Flavio

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On Wed December 7 2011, 5:54:34 PM, Flavio wrote:
> On 7 December 2011 07:15, jim burns <jim_burn@bellsouth.net> wrote:
> > Ok -  I got curious about your pv install method, and tried it myself.
> > It actually did work, but you may not be aware of it.
> > 
> > First, given your config, it looks like all you did was an 'xl create
> > ...' to start your install.
> 
> Yes, I actually did xl create opensuse11.cfg && xl vncviewer `xl domid
> OpenSuse11`

The syntax on xl vncviewer is unnecessary, despite what xl help says. 'xl 
vncviewer OpenSuse11' works also.

> Then in the vnc viewer at a certain point, a message appears and it
> says to enter the
> domU via ssh. So performing the following command, the graphical setup
> starts: ssh -X root@<domU_IP> and then start yast (see screenshots below).

I didn't use any of your extra= lines in my install, so I never had Yast in a 
ssh -X window. Convenient though, since you ended up being able to use the 
mouse, instead of using the Alt-keystroke method I was using in vnc.

> Finally the Automatic Configuration starts and I can finish the
> installation process.
> After that, the boot continues in the vnc viewer and I can proceed
> with the login.
> Of course the boot process continues on the domU console too (where
> the pygrub started).
> In this case, the mouse doesn't work for me too! :(
> Let's investigate if some option is missing in the configuration file.
> The pointer doesn't move but click works.
> See this:
> http://xen.1045712.n5.nabble.com/OpenSuse-11-PV-domU-installation-problem-t
> he-mouse-pointer-doesn-t-move-but-click-works-td4998460.html

Doesn't help much if you can't move the cursor around to click on something. 
:-(

> I had this problem in the installation process before. The strange fact is
> that the mouse works with yast but not with vnc.

Right - because you are using the mouse, keyboard, and video on your client 
where you typed 'ssh -X ...', not the drivers in the domu. That's why I said 
using the extra= line with ssh was convenient.

> Something tells me that it is a OpenSuse 11.4 issue, so I'm going to
> download the
> 12.1 version of the DVD and to try a new PV setup (now that I know how
> to complete
> the setup!!!).

Interesting. I haven't even had time to upgrade my suse 11.4 bare-metal system 
yet.

> > Anyway, that's what I did, with this config patterned after the one you
> > posted, with local differences, and hvm directives removed (and by the
> > way,
> > 'vcpus' was misspelled):
> Was it misspelled? I've checked. I didn't notice that. Anyway...

Sorry - I was editing and comparing several config files at the time. It was 
one of my old configs that had the misspell.

> > That kernel & initrd started the install, and then I had to pick
> > one of the Network install methods, after clicking on 'Back' to get to a
> > menu. (Yes - it is a *pain* not having the mouse work. Fortunately,
> > each option on each screen in Yast has an underlined letter. That
> > letter, held down with the Alt key, selects that option.)
> 
> Yes, but not in the first screen! http://goo.gl/6EymS in wich I don't
> know how to press close!

See the dotted lines around 'openSUSE Build Service'? That's where the 
'cursor' is. Hit Tab several times until 'CLOSE' has the box, then hit return. 
(Just thought of something - since click works, you should be able to 'right 
click' on that screen, and arrow key down to 'close'. On most keyboards, there 
is a 'mouse click' key on the bottom right side, between the Alt & Ctrl keys.)
 
> > After the install finished, I changed the config file - un-comment the
> > bootloader= line, and comment out the kernel= & ramdisk= lines. I then
> > did an 'xm create ... -c' to be sure that grub was setup right, and
> > then exited the domu's console, and did an 'xm vncviewer ...', and I am
> > now staring at the KDE desktop.
> 
> Well, thanks to your tip above, I was able to go ahead with the setup
> where I was
> blocked. Now, I've noticed that I could start KDE as root but not as a
> normal user.
> Maybe it is due to a permission issue, or a missing group membership. I have
> to investigate also on it.

This may have something to do with your other extra= line. I had no trouble 
getting a desktop as an ordinary user, until I added extra='xencons=tty ...'. 
This interferes with the creation of /dev/tty0, which I'm guessing xorg needs.

> > This is the menu.lst it installed. Notice it has kernel-desktop, and
> > kernel-xen installed, with the kernel-xen as the default menu item, so
> > the 'xm create' with the '-c' option was not necessary. I could have
> > gone straight into a vncviewer. (I don't think menu.lst will be setup
> > until you are past the Automatic Configuration step, so I didn't switch
> > comments on bootloader and kernel / ramdisk till after then.)
> 
> This is pretty good. Actually I think it detects that it is a PV domU
> and it installs
> also the kernel-xen setting it as the default kernel. Good!

Correct. It wouldn't be very useful for a virtual install routine to install a 
kernel that was not domu capable. :-)

> > Unfortunately, the desktop I'm looking at is 800x600, so we are back to
> > one of the original problems. I'll try putting 'vga=0x31a' in menu.lst,
> > or Fajar's suggestions about setting resolution in a pv domu, in the
> > next day or two, and tell you what I come up with.
> 
> So, no higher resolution than 800x600 with some xorg.conf trick? Bad...
> Anyway, the first problem to solve now is the mouse pointer. This has the
> highest priority now.
> 
> On 7 December 2011 11:08, jim burns <jim_burn@bellsouth.net> wrote:
> > Well, this is fairly useless. The mouse doesn't work at all, so the
> > desktop is unusable. I have to 'xm console ...' in to give commands. I
> > turned on sshd, and changed the SuSEfirewall rules so I can use ssh as
> > well.
> 
> I really don't understand why the mouse doesn't work. I'm really frustrated.
> > The resolution is unchangeable. The hvm tricks that worked - vga=0x31a,
> > or defining an xorg.conf don't work.
> :
> :-(
> :
> > And Fajar's xen-fbfront.video=32,1280,1024
> > option in menu.lst didn't either. I wouldn't be surprised if suse
> > renamed the module, though, like it renamed xennet and xenblk. However,
> > since XEN_FRAMEBUFFER is builtin, I can't find the name of the module
> > to modify it's options.
> 
> Maybe one solution is to recompile the kernel and put it as module.
> We should try. The problem is that it is a very long process if we use
> the config file provided by the distro.

That would be useful. I won't do it - compile times on my system are bad, too. 
And I have several other projects stacked up.

> Pheraps we could try an "external" domU kernel, and not using pygrub
> but something
> like the following line in the configuration file:
> kernel = "/mnt/xen/kernel/vmlinuz-xen-3.1.0-domU"
> I use that kernel to start a gentoo pv domU and it works.

The problem with that approach is you have to copy over the whole 
/lib/modules/<kernel version> tree to your domu, or you won't be able to load 
any kernel modules that are not in your initrd. And you won't be able to keep 
the modules updated with new versions of the kernel from within the domu. 
You'd have to update them on the source computer, then copy the modules over 
to the domu again. It would be useful for quick testing, though. If it's an 
.rpm file, though, you can install it directly in your domu, if there are no 
dependency problems.

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From: jim burns <jim_burn@bellsouth.net>
To: Flavio <fbcyborg@gmail.com>
Date: Wed, 07 Dec 2011 14:43:29 -0500
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Cc: xen-users@lists.xensource.com, "Fajar A. Nugraha" <list@fajar.net>
Subject: Re: [Xen-users] OpenSuse 11 hvm domU: screen resolution up to
	640x480
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On Wed December 7 2011, 5:54:34 PM, Flavio wrote:
> On 7 December 2011 07:15, jim burns <jim_burn@bellsouth.net> wrote:
> > Ok -  I got curious about your pv install method, and tried it myself.
> > It actually did work, but you may not be aware of it.
> > 
> > First, given your config, it looks like all you did was an 'xl create
> > ...' to start your install.
> 
> Yes, I actually did xl create opensuse11.cfg && xl vncviewer `xl domid
> OpenSuse11`

The syntax on xl vncviewer is unnecessary, despite what xl help says. 'xl 
vncviewer OpenSuse11' works also.

> Then in the vnc viewer at a certain point, a message appears and it
> says to enter the
> domU via ssh. So performing the following command, the graphical setup
> starts: ssh -X root@<domU_IP> and then start yast (see screenshots below).

I didn't use any of your extra= lines in my install, so I never had Yast in a 
ssh -X window. Convenient though, since you ended up being able to use the 
mouse, instead of using the Alt-keystroke method I was using in vnc.

> Finally the Automatic Configuration starts and I can finish the
> installation process.
> After that, the boot continues in the vnc viewer and I can proceed
> with the login.
> Of course the boot process continues on the domU console too (where
> the pygrub started).
> In this case, the mouse doesn't work for me too! :(
> Let's investigate if some option is missing in the configuration file.
> The pointer doesn't move but click works.
> See this:
> http://xen.1045712.n5.nabble.com/OpenSuse-11-PV-domU-installation-problem-t
> he-mouse-pointer-doesn-t-move-but-click-works-td4998460.html

Doesn't help much if you can't move the cursor around to click on something. 
:-(

> I had this problem in the installation process before. The strange fact is
> that the mouse works with yast but not with vnc.

Right - because you are using the mouse, keyboard, and video on your client 
where you typed 'ssh -X ...', not the drivers in the domu. That's why I said 
using the extra= line with ssh was convenient.

> Something tells me that it is a OpenSuse 11.4 issue, so I'm going to
> download the
> 12.1 version of the DVD and to try a new PV setup (now that I know how
> to complete
> the setup!!!).

Interesting. I haven't even had time to upgrade my suse 11.4 bare-metal system 
yet.

> > Anyway, that's what I did, with this config patterned after the one you
> > posted, with local differences, and hvm directives removed (and by the
> > way,
> > 'vcpus' was misspelled):
> Was it misspelled? I've checked. I didn't notice that. Anyway...

Sorry - I was editing and comparing several config files at the time. It was 
one of my old configs that had the misspell.

> > That kernel & initrd started the install, and then I had to pick
> > one of the Network install methods, after clicking on 'Back' to get to a
> > menu. (Yes - it is a *pain* not having the mouse work. Fortunately,
> > each option on each screen in Yast has an underlined letter. That
> > letter, held down with the Alt key, selects that option.)
> 
> Yes, but not in the first screen! http://goo.gl/6EymS in wich I don't
> know how to press close!

See the dotted lines around 'openSUSE Build Service'? That's where the 
'cursor' is. Hit Tab several times until 'CLOSE' has the box, then hit return. 
(Just thought of something - since click works, you should be able to 'right 
click' on that screen, and arrow key down to 'close'. On most keyboards, there 
is a 'mouse click' key on the bottom right side, between the Alt & Ctrl keys.)
 
> > After the install finished, I changed the config file - un-comment the
> > bootloader= line, and comment out the kernel= & ramdisk= lines. I then
> > did an 'xm create ... -c' to be sure that grub was setup right, and
> > then exited the domu's console, and did an 'xm vncviewer ...', and I am
> > now staring at the KDE desktop.
> 
> Well, thanks to your tip above, I was able to go ahead with the setup
> where I was
> blocked. Now, I've noticed that I could start KDE as root but not as a
> normal user.
> Maybe it is due to a permission issue, or a missing group membership. I have
> to investigate also on it.

This may have something to do with your other extra= line. I had no trouble 
getting a desktop as an ordinary user, until I added extra='xencons=tty ...'. 
This interferes with the creation of /dev/tty0, which I'm guessing xorg needs.

> > This is the menu.lst it installed. Notice it has kernel-desktop, and
> > kernel-xen installed, with the kernel-xen as the default menu item, so
> > the 'xm create' with the '-c' option was not necessary. I could have
> > gone straight into a vncviewer. (I don't think menu.lst will be setup
> > until you are past the Automatic Configuration step, so I didn't switch
> > comments on bootloader and kernel / ramdisk till after then.)
> 
> This is pretty good. Actually I think it detects that it is a PV domU
> and it installs
> also the kernel-xen setting it as the default kernel. Good!

Correct. It wouldn't be very useful for a virtual install routine to install a 
kernel that was not domu capable. :-)

> > Unfortunately, the desktop I'm looking at is 800x600, so we are back to
> > one of the original problems. I'll try putting 'vga=0x31a' in menu.lst,
> > or Fajar's suggestions about setting resolution in a pv domu, in the
> > next day or two, and tell you what I come up with.
> 
> So, no higher resolution than 800x600 with some xorg.conf trick? Bad...
> Anyway, the first problem to solve now is the mouse pointer. This has the
> highest priority now.
> 
> On 7 December 2011 11:08, jim burns <jim_burn@bellsouth.net> wrote:
> > Well, this is fairly useless. The mouse doesn't work at all, so the
> > desktop is unusable. I have to 'xm console ...' in to give commands. I
> > turned on sshd, and changed the SuSEfirewall rules so I can use ssh as
> > well.
> 
> I really don't understand why the mouse doesn't work. I'm really frustrated.
> > The resolution is unchangeable. The hvm tricks that worked - vga=0x31a,
> > or defining an xorg.conf don't work.
> :
> :-(
> :
> > And Fajar's xen-fbfront.video=32,1280,1024
> > option in menu.lst didn't either. I wouldn't be surprised if suse
> > renamed the module, though, like it renamed xennet and xenblk. However,
> > since XEN_FRAMEBUFFER is builtin, I can't find the name of the module
> > to modify it's options.
> 
> Maybe one solution is to recompile the kernel and put it as module.
> We should try. The problem is that it is a very long process if we use
> the config file provided by the distro.

That would be useful. I won't do it - compile times on my system are bad, too. 
And I have several other projects stacked up.

> Pheraps we could try an "external" domU kernel, and not using pygrub
> but something
> like the following line in the configuration file:
> kernel = "/mnt/xen/kernel/vmlinuz-xen-3.1.0-domU"
> I use that kernel to start a gentoo pv domU and it works.

The problem with that approach is you have to copy over the whole 
/lib/modules/<kernel version> tree to your domu, or you won't be able to load 
any kernel modules that are not in your initrd. And you won't be able to keep 
the modules updated with new versions of the kernel from within the domu. 
You'd have to update them on the source computer, then copy the modules over 
to the domu again. It would be useful for quick testing, though. If it's an 
.rpm file, though, you can install it directly in your domu, if there are no 
dependency problems.

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From: Flavio <fbcyborg@gmail.com>
Date: Wed, 7 Dec 2011 22:09:02 +0100
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To: jim burns <jim_burn@bellsouth.net>
Cc: xen-users@lists.xensource.com, "Fajar A. Nugraha" <list@fajar.net>
Subject: Re: [Xen-users] OpenSuse 11 hvm domU: screen resolution up to
	640x480
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On 7 December 2011 20:43, jim burns <jim_burn@bellsouth.net> wrote:
> The syntax on xl vncviewer is unnecessary, despite what xl help says. 'xl
> vncviewer OpenSuse11' works also.
Thanks, good to know.

> Interesting. I haven't even had time to upgrade my suse 11.4 bare-metal system
> yet.
Now I am trying to setup open suse 12.1...
I hope this release doesn't have the mouse problem.

>
> This may have something to do with your other extra= line. I had no trouble
> getting a desktop as an ordinary user, until I added extra='xencons=tty ...'.
> This interferes with the creation of /dev/tty0, which I'm guessing xorg needs.
No, I am trying to start the domU without any extra line and the X
session doesn't
start as a normal user. It is strange actually, since in the hvm domU
it was starting
without any problem.


> That would be useful. I won't do it - compile times on my system are bad, too.
> And I have several other projects stacked up.
The problem is that the config file that you may find in the domU's
/boot directory is
configured to have A LOT of modules to be compiled. It should be modified,
removing most of them, that are not necessary for sure. I don't do it, because
I don't want to make mistakes, removing something necessary for the domU.
In case I'll compile as it is...

> The problem with that approach is you have to copy over the whole
> /lib/modules/<kernel version> tree to your domu, or you won't be able to load
> any kernel modules that are not in your initrd.
Oh yes, you are right, but this wouldn't be a problem, since it is
sufficient for me
to go to the domU kernel source dir and issue the following command:
make modules_install INSTALL_MOD_PATH=/mnt/loop
after having mounted the img file in the loop dir.

> And you won't be able to keep
> the modules updated with new versions of the kernel from within the domu.
Yes, I have to do it manually each time.

Bye,
-- 
Flavio

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From: Flavio <fbcyborg@gmail.com>
Date: Wed, 7 Dec 2011 22:09:02 +0100
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To: jim burns <jim_burn@bellsouth.net>
Cc: xen-users@lists.xensource.com, "Fajar A. Nugraha" <list@fajar.net>
Subject: Re: [Xen-users] OpenSuse 11 hvm domU: screen resolution up to
	640x480
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On 7 December 2011 20:43, jim burns <jim_burn@bellsouth.net> wrote:
> The syntax on xl vncviewer is unnecessary, despite what xl help says. 'xl
> vncviewer OpenSuse11' works also.
Thanks, good to know.

> Interesting. I haven't even had time to upgrade my suse 11.4 bare-metal system
> yet.
Now I am trying to setup open suse 12.1...
I hope this release doesn't have the mouse problem.

>
> This may have something to do with your other extra= line. I had no trouble
> getting a desktop as an ordinary user, until I added extra='xencons=tty ...'.
> This interferes with the creation of /dev/tty0, which I'm guessing xorg needs.
No, I am trying to start the domU without any extra line and the X
session doesn't
start as a normal user. It is strange actually, since in the hvm domU
it was starting
without any problem.


> That would be useful. I won't do it - compile times on my system are bad, too.
> And I have several other projects stacked up.
The problem is that the config file that you may find in the domU's
/boot directory is
configured to have A LOT of modules to be compiled. It should be modified,
removing most of them, that are not necessary for sure. I don't do it, because
I don't want to make mistakes, removing something necessary for the domU.
In case I'll compile as it is...

> The problem with that approach is you have to copy over the whole
> /lib/modules/<kernel version> tree to your domu, or you won't be able to load
> any kernel modules that are not in your initrd.
Oh yes, you are right, but this wouldn't be a problem, since it is
sufficient for me
to go to the domU kernel source dir and issue the following command:
make modules_install INSTALL_MOD_PATH=/mnt/loop
after having mounted the img file in the loop dir.

> And you won't be able to keep
> the modules updated with new versions of the kernel from within the domu.
Yes, I have to do it manually each time.

Bye,
-- 
Flavio

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From: jim burns <jim_burn@bellsouth.net>
To: Flavio <fbcyborg@gmail.com>
Date: Wed, 07 Dec 2011 16:20:40 -0500
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Cc: xen-users@lists.xensource.com, "Fajar A. Nugraha" <list@fajar.net>
Subject: Re: [Xen-users] OpenSuse 11 hvm domU: screen resolution up to
	640x480
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On Wed December 7 2011, 2:43:29 PM, jim burns wrote:
> > On 7 December 2011 11:08, jim burns <jim_burn@bellsouth.net> wrote:
> > > Well, this is fairly useless. The mouse doesn't work at all, so the
> > > desktop is unusable. I have to 'xm console ...' in to give commands.
> > > I
> > > turned on sshd, and changed the SuSEfirewall rules so I can use ssh
> > > as
> > > well.
> >
> > 
> >
> > I really don't understand why the mouse doesn't work. I'm really
> > frustrated.

Well, no fix, but some workarounds. I can use ssh, or xm console, to get in, 
copy some .desktop files to my user ~/Desktop directory, and then use the 
cursor keys to select an icon on the desktop, hit return, and launch it. I 
launched konsole this way, from which I can launch other programs, including X 
programs (but still can't use a mouse in them.).

The odd thing is that Xorg.0.log clearly shows the evdev driver found an input 
driver for the mouse, but the desktop isn't use it. KDE's systemsettings 
program didn't help, either:

[  7808.448] (II) config/udev: Adding input device Xen Virtual Pointer 
(/dev/input/event1)
[  7808.448] (**) Xen Virtual Pointer: Applying InputClass "evdev pointer 
catchall"
[  7808.448] (**) Xen Virtual Pointer: always reports core events
[  7808.448] (**) Xen Virtual Pointer: Device: "/dev/input/event1"
[  7808.448] (--) Xen Virtual Pointer: Found 12 mouse buttons
[  7808.448] (--) Xen Virtual Pointer: Found scroll wheel(s)
[  7808.448] (--) Xen Virtual Pointer: Found relative axes
[  7808.448] (--) Xen Virtual Pointer: Found x and y relative axes
[  7808.448] (--) Xen Virtual Pointer: Found absolute axes
[  7808.448] (--) Xen Virtual Pointer: Found x and y absolute axes
[  7808.448] (II) Xen Virtual Pointer: Configuring as mouse
[  7808.448] (II) Xen Virtual Pointer: Adding scrollwheel support
[  7808.448] (**) Xen Virtual Pointer: YAxisMapping: buttons 4 and 5
[  7808.448] (**) Xen Virtual Pointer: EmulateWheelButton: 4, 
EmulateWheelInertia: 10, EmulateWheelTimeout: 200
[  7808.448] (II) XINPUT: Adding extended input device "Xen Virtual Pointer" 
(type: MOUSE)
[  7808.448] (**) Xen Virtual Pointer: (accel) keeping acceleration scheme 1
[  7808.448] (**) Xen Virtual Pointer: (accel) acceleration profile 0
[  7808.448] (**) Xen Virtual Pointer: (accel) acceleration factor: 2.000
[  7808.448] (**) Xen Virtual Pointer: (accel) acceleration threshold: 4
[  7808.448] (II) Xen Virtual Pointer: initialized for relative axes.
[  7808.448] (WW) Xen Virtual Pointer: ignoring absolute axes.


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From: jim burns <jim_burn@bellsouth.net>
To: Flavio <fbcyborg@gmail.com>
Date: Wed, 07 Dec 2011 16:20:40 -0500
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Subject: Re: [Xen-users] OpenSuse 11 hvm domU: screen resolution up to
	640x480
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On Wed December 7 2011, 2:43:29 PM, jim burns wrote:
> > On 7 December 2011 11:08, jim burns <jim_burn@bellsouth.net> wrote:
> > > Well, this is fairly useless. The mouse doesn't work at all, so the
> > > desktop is unusable. I have to 'xm console ...' in to give commands.
> > > I
> > > turned on sshd, and changed the SuSEfirewall rules so I can use ssh
> > > as
> > > well.
> >
> > 
> >
> > I really don't understand why the mouse doesn't work. I'm really
> > frustrated.

Well, no fix, but some workarounds. I can use ssh, or xm console, to get in, 
copy some .desktop files to my user ~/Desktop directory, and then use the 
cursor keys to select an icon on the desktop, hit return, and launch it. I 
launched konsole this way, from which I can launch other programs, including X 
programs (but still can't use a mouse in them.).

The odd thing is that Xorg.0.log clearly shows the evdev driver found an input 
driver for the mouse, but the desktop isn't use it. KDE's systemsettings 
program didn't help, either:

[  7808.448] (II) config/udev: Adding input device Xen Virtual Pointer 
(/dev/input/event1)
[  7808.448] (**) Xen Virtual Pointer: Applying InputClass "evdev pointer 
catchall"
[  7808.448] (**) Xen Virtual Pointer: always reports core events
[  7808.448] (**) Xen Virtual Pointer: Device: "/dev/input/event1"
[  7808.448] (--) Xen Virtual Pointer: Found 12 mouse buttons
[  7808.448] (--) Xen Virtual Pointer: Found scroll wheel(s)
[  7808.448] (--) Xen Virtual Pointer: Found relative axes
[  7808.448] (--) Xen Virtual Pointer: Found x and y relative axes
[  7808.448] (--) Xen Virtual Pointer: Found absolute axes
[  7808.448] (--) Xen Virtual Pointer: Found x and y absolute axes
[  7808.448] (II) Xen Virtual Pointer: Configuring as mouse
[  7808.448] (II) Xen Virtual Pointer: Adding scrollwheel support
[  7808.448] (**) Xen Virtual Pointer: YAxisMapping: buttons 4 and 5
[  7808.448] (**) Xen Virtual Pointer: EmulateWheelButton: 4, 
EmulateWheelInertia: 10, EmulateWheelTimeout: 200
[  7808.448] (II) XINPUT: Adding extended input device "Xen Virtual Pointer" 
(type: MOUSE)
[  7808.448] (**) Xen Virtual Pointer: (accel) keeping acceleration scheme 1
[  7808.448] (**) Xen Virtual Pointer: (accel) acceleration profile 0
[  7808.448] (**) Xen Virtual Pointer: (accel) acceleration factor: 2.000
[  7808.448] (**) Xen Virtual Pointer: (accel) acceleration threshold: 4
[  7808.448] (II) Xen Virtual Pointer: initialized for relative axes.
[  7808.448] (WW) Xen Virtual Pointer: ignoring absolute axes.


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From: jim burns <jim_burn@bellsouth.net>
To: Flavio <fbcyborg@gmail.com>
Date: Wed, 07 Dec 2011 16:25:30 -0500
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Subject: Re: [Xen-users] OpenSuse 11 hvm domU: screen resolution up to
	640x480
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On Wed December 7 2011, 10:09:02 PM, Flavio wrote:
> > This may have something to do with your other extra= line. I had no
> > trouble getting a desktop as an ordinary user, until I added
> > extra='xencons=tty ...'. This interferes with the creation of
> > /dev/tty0, which I'm guessing xorg needs.
> No, I am trying to start the domU without any extra line and the X
> session doesn't
> start as a normal user. It is strange actually, since in the hvm domU
> it was starting
> without any problem.

Did you define a user in the Yast install? That's the only thing I can think 
of that may be different between your install and mine.

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From: jim burns <jim_burn@bellsouth.net>
To: Flavio <fbcyborg@gmail.com>
Date: Wed, 07 Dec 2011 16:25:30 -0500
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Subject: Re: [Xen-users] OpenSuse 11 hvm domU: screen resolution up to
	640x480
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On Wed December 7 2011, 10:09:02 PM, Flavio wrote:
> > This may have something to do with your other extra= line. I had no
> > trouble getting a desktop as an ordinary user, until I added
> > extra='xencons=tty ...'. This interferes with the creation of
> > /dev/tty0, which I'm guessing xorg needs.
> No, I am trying to start the domU without any extra line and the X
> session doesn't
> start as a normal user. It is strange actually, since in the hvm domU
> it was starting
> without any problem.

Did you define a user in the Yast install? That's the only thing I can think 
of that may be different between your install and mine.

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From: Flavio <fbcyborg@gmail.com>
Date: Wed, 7 Dec 2011 22:25:40 +0100
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On 7 December 2011 22:20, jim burns <jim_burn@bellsouth.net> wrote:
> The odd thing is that Xorg.0.log clearly shows the evdev driver found an input
> driver for the mouse, but the desktop isn't use it. KDE's systemsettings
> program didn't help, either:
Very strange actually.
I really don't have any idea now.
I hope that it would be possible to solve, using OpenSuse 12.

-- 
Flavio

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From: Flavio <fbcyborg@gmail.com>
Date: Wed, 7 Dec 2011 22:25:40 +0100
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Subject: Re: [Xen-users] OpenSuse 11 hvm domU: screen resolution up to
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On 7 December 2011 22:20, jim burns <jim_burn@bellsouth.net> wrote:
> The odd thing is that Xorg.0.log clearly shows the evdev driver found an input
> driver for the mouse, but the desktop isn't use it. KDE's systemsettings
> program didn't help, either:
Very strange actually.
I really don't have any idea now.
I hope that it would be possible to solve, using OpenSuse 12.

-- 
Flavio

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From: Flavio <fbcyborg@gmail.com>
Date: Wed, 7 Dec 2011 22:27:53 +0100
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To: jim burns <jim_burn@bellsouth.net>
Cc: xen-users@lists.xensource.com, "Fajar A. Nugraha" <list@fajar.net>
Subject: Re: [Xen-users] OpenSuse 11 hvm domU: screen resolution up to
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On 7 December 2011 22:25, jim burns <jim_burn@bellsouth.net> wrote:
> Did you define a user in the Yast install? That's the only thing I can think
> of that may be different between your install and mine.
Of course yes, and I can log in as such user.
Then, typing the startx command says it can't write the Xorg.0.log file
or something like that.. but it does exist.

By the way: in the hvm domU, xdm starts automatically. Why it doesn't
start automatically here too?

-- 
Flavio

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From: Flavio <fbcyborg@gmail.com>
Date: Wed, 7 Dec 2011 22:27:53 +0100
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On 7 December 2011 22:25, jim burns <jim_burn@bellsouth.net> wrote:
> Did you define a user in the Yast install? That's the only thing I can think
> of that may be different between your install and mine.
Of course yes, and I can log in as such user.
Then, typing the startx command says it can't write the Xorg.0.log file
or something like that.. but it does exist.

By the way: in the hvm domU, xdm starts automatically. Why it doesn't
start automatically here too?

-- 
Flavio

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On Wed December 7 2011, 10:27:53 PM, Flavio wrote:
> On 7 December 2011 22:25, jim burns <jim_burn@bellsouth.net> wrote:
> > Did you define a user in the Yast install? That's the only thing I can
> > think of that may be different between your install and mine.
> 
> Of course yes, and I can log in as such user.
> Then, typing the startx command says it can't write the Xorg.0.log file
> or something like that.. but it does exist.
> 
> By the way: in the hvm domU, xdm starts automatically. Why it doesn't
> start automatically here too?

It does for me. 'startx' usually will give you some problems. You could try 
'startkde', but first: Do a 'chkconfig xdm --list', and make sure there are 
'on' entries in the output. If not, you can do (as root) 'chkconfig xdm on', 
then 'rcxdm start', which is preferable to even startkde. (Actually, as root, 
do 'rcxdm stop', then '/bin/ps a -HA|grep kdm', and check for a pid to use 
with kill. Sometimes kdm doesn't exit cleanly. Then do 'rcxdm start'.)


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On Wed December 7 2011, 10:27:53 PM, Flavio wrote:
> On 7 December 2011 22:25, jim burns <jim_burn@bellsouth.net> wrote:
> > Did you define a user in the Yast install? That's the only thing I can
> > think of that may be different between your install and mine.
> 
> Of course yes, and I can log in as such user.
> Then, typing the startx command says it can't write the Xorg.0.log file
> or something like that.. but it does exist.
> 
> By the way: in the hvm domU, xdm starts automatically. Why it doesn't
> start automatically here too?

It does for me. 'startx' usually will give you some problems. You could try 
'startkde', but first: Do a 'chkconfig xdm --list', and make sure there are 
'on' entries in the output. If not, you can do (as root) 'chkconfig xdm on', 
then 'rcxdm start', which is preferable to even startkde. (Actually, as root, 
do 'rcxdm stop', then '/bin/ps a -HA|grep kdm', and check for a pid to use 
with kill. Sometimes kdm doesn't exit cleanly. Then do 'rcxdm start'.)


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Hello all,
 
Not sure if this is the right place to post this and I apologise in advance if it isn't. I am writing to invite all of you  from the Australian IT industry interested in the open source cloud computing technology OpenStack, to a community meetup event at 6.30pm on the 13th of December at the Harbour View Hotel in the Rocks. The venue has capacity for 60ish persons and we have key contributing technology vendors Rackspace, Dell, Citrix, Cisco and F5 coming along, each presenting a short overview of their involvement in the project. The event is sponsored with food and drinks by our company Aptira and we are trying to attract persons that have an active technical interest in the technology in an effort to collectively grow the local community. This event will be followed by one in Melbourne in mid January. If you wish to attend please contact me directly to arrange some spots asap, or RSVP to the meetup group at http://aosug.openstack.org.au.
 
Cheers
Kavit
 
 


Kavit Munshi
Solutions Director
Aptira Pty Ltd
1800 APTIRA
http://aptira.com
 
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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-IN link=3Dblue vli=
nk=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal>Hello all,<o:p><=
/o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal>Not=
 sure if this is the right place to post this and I apologise in advance if=
 it isn&#8217;t. I am writing to invite all of you&nbsp; from the Australia=
n IT industry interested in the open source cloud computing technology Open=
Stack, to a community meetup event at 6.30pm on the 13th of December at the=
 Harbour View Hotel in the Rocks. The venue has capacity for 60ish persons =
and we have key contributing technology vendors Rackspace, Dell, Citrix, Ci=
sco and F5 coming along, each presenting a short overview of their involvem=
ent in the project. The event is sponsored with food and drinks by our comp=
any Aptira and we are trying to attract persons that have an active technic=
al interest in the technology in an effort to collectively grow the local c=
ommunity. This event will be followed by one in Melbourne in mid January. I=
f you wish to attend please contact me directly to arrange some spots asap,=
 or RSVP to the meetup group at <a href=3D"http://aosug.openstack.org.au/">=
http://aosug.openstack.org.au</a>.<o:p></o:p></p><p class=3DMsoNormal><o:p>=
&nbsp;</o:p></p><p class=3DMsoNormal>Cheers<o:p></o:p></p><p class=3DMsoNor=
mal>Kavit<o:p></o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=
=3DMsoNormal><o:p>&nbsp;</o:p></p><div class=3DMsoNormal align=3Dcenter sty=
le=3D'text-align:center'><span lang=3DEN-AU style=3D'font-size:10.0pt;font-=
family:"Tahoma","sans-serif";color:#1F497D;mso-fareast-language:EN-IN'><hr =
size=3D2 width=3D"100%" align=3Dcenter></span></div><p class=3DMsoNormal><b=
><span lang=3DEN-AU style=3D'font-size:10.0pt;font-family:"Tahoma","sans-se=
rif";color:black;mso-fareast-language:EN-IN'>Kavit Munshi<o:p></o:p></span>=
</b></p><p class=3DMsoNormal><span lang=3DEN-AU style=3D'font-size:10.0pt;f=
ont-family:"Tahoma","sans-serif";color:black;mso-fareast-language:EN-IN'>So=
lutions Director<o:p></o:p></span></p><p class=3DMsoNormal><b><span style=
=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black;mso-fare=
ast-language:EN-IN'><img border=3D0 width=3D110 height=3D65 id=3D"Picture_x=
0020_2" src=3D"cid:image001.jpg@01CCB568.A6D7F9A0" alt=3D"Description: APTl=
ogoonwhite-small.jpg"></span></b><b><span lang=3DEN-AU style=3D'font-size:1=
0.0pt;font-family:"Tahoma","sans-serif";color:black;mso-fareast-language:EN=
-IN'><o:p></o:p></span></b></p><p class=3DMsoNormal><b><span lang=3DEN-AU s=
tyle=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black;mso-=
fareast-language:EN-IN'>Aptira Pty Ltd<o:p></o:p></span></b></p><p class=3D=
MsoNormal><span lang=3DEN-AU style=3D'font-size:10.0pt;font-family:"Tahoma"=
,"sans-serif";color:black;mso-fareast-language:EN-IN'>1800 APTIRA<o:p></o:p=
></span></p><p class=3DMsoNormal><span style=3D'mso-fareast-language:EN-IN'=
><a href=3D"http://aptira.com/">http://aptira.com</a><o:p></o:p></span></p>=
<p class=3DMsoNormal><o:p>&nbsp;</o:p></p></div></body></html>=

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Hello all,
 
Not sure if this is the right place to post this and I apologise in advance if it isn't. I am writing to invite all of you  from the Australian IT industry interested in the open source cloud computing technology OpenStack, to a community meetup event at 6.30pm on the 13th of December at the Harbour View Hotel in the Rocks. The venue has capacity for 60ish persons and we have key contributing technology vendors Rackspace, Dell, Citrix, Cisco and F5 coming along, each presenting a short overview of their involvement in the project. The event is sponsored with food and drinks by our company Aptira and we are trying to attract persons that have an active technical interest in the technology in an effort to collectively grow the local community. This event will be followed by one in Melbourne in mid January. If you wish to attend please contact me directly to arrange some spots asap, or RSVP to the meetup group at http://aosug.openstack.org.au.
 
Cheers
Kavit
 
 


Kavit Munshi
Solutions Director
Aptira Pty Ltd
1800 APTIRA
http://aptira.com
 
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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-IN link=3Dblue vli=
nk=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal>Hello all,<o:p><=
/o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal>Not=
 sure if this is the right place to post this and I apologise in advance if=
 it isn&#8217;t. I am writing to invite all of you&nbsp; from the Australia=
n IT industry interested in the open source cloud computing technology Open=
Stack, to a community meetup event at 6.30pm on the 13th of December at the=
 Harbour View Hotel in the Rocks. The venue has capacity for 60ish persons =
and we have key contributing technology vendors Rackspace, Dell, Citrix, Ci=
sco and F5 coming along, each presenting a short overview of their involvem=
ent in the project. The event is sponsored with food and drinks by our comp=
any Aptira and we are trying to attract persons that have an active technic=
al interest in the technology in an effort to collectively grow the local c=
ommunity. This event will be followed by one in Melbourne in mid January. I=
f you wish to attend please contact me directly to arrange some spots asap,=
 or RSVP to the meetup group at <a href=3D"http://aosug.openstack.org.au/">=
http://aosug.openstack.org.au</a>.<o:p></o:p></p><p class=3DMsoNormal><o:p>=
&nbsp;</o:p></p><p class=3DMsoNormal>Cheers<o:p></o:p></p><p class=3DMsoNor=
mal>Kavit<o:p></o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=
=3DMsoNormal><o:p>&nbsp;</o:p></p><div class=3DMsoNormal align=3Dcenter sty=
le=3D'text-align:center'><span lang=3DEN-AU style=3D'font-size:10.0pt;font-=
family:"Tahoma","sans-serif";color:#1F497D;mso-fareast-language:EN-IN'><hr =
size=3D2 width=3D"100%" align=3Dcenter></span></div><p class=3DMsoNormal><b=
><span lang=3DEN-AU style=3D'font-size:10.0pt;font-family:"Tahoma","sans-se=
rif";color:black;mso-fareast-language:EN-IN'>Kavit Munshi<o:p></o:p></span>=
</b></p><p class=3DMsoNormal><span lang=3DEN-AU style=3D'font-size:10.0pt;f=
ont-family:"Tahoma","sans-serif";color:black;mso-fareast-language:EN-IN'>So=
lutions Director<o:p></o:p></span></p><p class=3DMsoNormal><b><span style=
=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black;mso-fare=
ast-language:EN-IN'><img border=3D0 width=3D110 height=3D65 id=3D"Picture_x=
0020_2" src=3D"cid:image001.jpg@01CCB568.A6D7F9A0" alt=3D"Description: APTl=
ogoonwhite-small.jpg"></span></b><b><span lang=3DEN-AU style=3D'font-size:1=
0.0pt;font-family:"Tahoma","sans-serif";color:black;mso-fareast-language:EN=
-IN'><o:p></o:p></span></b></p><p class=3DMsoNormal><b><span lang=3DEN-AU s=
tyle=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black;mso-=
fareast-language:EN-IN'>Aptira Pty Ltd<o:p></o:p></span></b></p><p class=3D=
MsoNormal><span lang=3DEN-AU style=3D'font-size:10.0pt;font-family:"Tahoma"=
,"sans-serif";color:black;mso-fareast-language:EN-IN'>1800 APTIRA<o:p></o:p=
></span></p><p class=3DMsoNormal><span style=3D'mso-fareast-language:EN-IN'=
><a href=3D"http://aptira.com/">http://aptira.com</a><o:p></o:p></span></p>=
<p class=3DMsoNormal><o:p>&nbsp;</o:p></p></div></body></html>=

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Subject: Re: [Xen-users] DomU pygrub issue - OSS Xen to XCP
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George & Joseph

Thanks for your response , since this domU copied from dom0 and has no a
grub on it, although I give other try to installed kernel-xen and grub
manually on OSS  Xen Host, which still being stuck to start up.Do I need
fix the grub installation first on OSS Xen Host and then start migration ?

With many thanks

Check info below reference

*xm creatc -c /etc/xen/demo - OSS Xen Host*

Traceback (most recent call last):
  File "/usr/bin/pygrub", line 693, in ?
    data = fs.open_file(chosencfg["kernel"]).read()
IOError: [Errno 2] No such file or directory
No handlers could be found for logger "xend"
Error: Boot loader didn't return any data!
Usage: xm create <ConfigFile> [options] [vars]

*xe vm-list params  - XCP Xen Host*

uuid ( RO)                          : 47dc79b3-e763-8712-8769-49bbbf9dc7ec
                    name-label ( RW): demo_old
              name-description ( RW):
                  user-version ( RW): 1
                 is-a-template ( RW): false
                 is-a-snapshot ( RO): false
                   snapshot-of ( RO): <not in database>
                     snapshots ( RO):
                 snapshot-time ( RO): 19700101T00:00:00Z
                 snapshot-info ( RO):
                        parent ( RO): <not in database>
                      children ( RO):
             is-control-domain ( RO): false
                   power-state ( RO): halted
                 memory-actual ( RO): 0
                 memory-target ( RO): <expensive field>
               memory-overhead ( RO): 4194304
             memory-static-max ( RW): 268435456
            memory-dynamic-max ( RW): 268435456
            memory-dynamic-min ( RW): 268435456
             memory-static-min ( RW): 16777216
              suspend-VDI-uuid ( RO): <not in database>
                  VCPUs-params (MRW):
                     VCPUs-max ( RW): 1
              VCPUs-at-startup ( RW): 1
        actions-after-shutdown ( RW): Destroy
          actions-after-reboot ( RW): Restart
           actions-after-crash ( RW): Restart
                 console-uuids (SRO):
                      platform (MRW): nx: false; acpi: true; apic: true;
pae: true; viridian: true
            allowed-operations (SRO): changing_dynamic_range;
changing_static_range; make_into_template; destroy; export; start_on;
start; clone; copy; snapshot
            current-operations (SRO):
            blocked-operations (MRW):
           allowed-VBD-devices (SRO): <expensive field>
           allowed-VIF-devices (SRO): <expensive field>
                possible-hosts ( RO): <expensive field>
               HVM-boot-policy ( RW):
               HVM-boot-params (MRW): order:
         HVM-shadow-multiplier ( RW): 1.000
                     PV-kernel ( RW):
                    PV-ramdisk ( RW):
                       PV-args ( RW):
                PV-legacy-args ( RW):
                 PV-bootloader ( RW): pygrub
            PV-bootloader-args ( RW):
           last-boot-CPU-flags ( RO):
              last-boot-record ( RO): <expensive field>
                   resident-on ( RO): <not in database>
                      affinity ( RW): 288977fd-1836-475a-9109-7f2e68ccae1e
                  other-config (MRW): import_task:
OpaqueRef:495fd90f-8b8a-96b8-ca22-5c9ff4d427b8; mac_seed:
709328f5-aca8-3c87-bb3b-de81d2aab3d5; install-methods: cdrom
                        dom-id ( RO): -1
               recommendations ( RO): <restrictions><restriction
field="memory-static-max" max="34359738368" /><restriction
field="vcpus-max" max="8" /><restriction property="number-of-vbds" max="7"
/><restriction property="number-of-vifs" max="7" /></restrictions>
                 xenstore-data (MRW):
                 ha-always-run ( RW): false
           ha-restart-priority ( RW):
                         blobs ( RO):
                    start-time ( RO): 19700101T00:00:00Z
                  install-time ( RO): 19700101T00:00:00Z
                  VCPUs-number ( RO): 0
             VCPUs-utilisation (MRO): <expensive field>
                    os-version (MRO): <not in database>
            PV-drivers-version (MRO): <not in database>
         PV-drivers-up-to-date ( RO): <not in database>
                        memory (MRO): <not in database>
                         disks (MRO): <not in database>
                      networks (MRO): <not in database>
                         other (MRO): <not in database>
                          live ( RO): <not in database>
    guest-metrics-last-updated ( RO): <not in database>
                   cooperative ( RO): <expensive field>
             protection-policy ( RW): <not in database>
         is-snapshot-from-vmpp ( RO): false
                          tags (SRW):

On Thu, Dec 8, 2011 at 1:16 AM, Joseph Hom <jhom@softlayer.com> wrote:

>  Also if you can please post your menu.lst or grub.cfg from the domU.****
>
> ** **
>
> *From:* xen-users-bounces@lists.xensource.com [mailto:
> xen-users-bounces@lists.xensource.com] *On Behalf Of *George Shuklin
> *Sent:* Wednesday, December 07, 2011 7:02 AM
> *To:* xen-users@lists.xensource.com
> *Subject:* Re: [Xen-users] DomU pygrub issue - OSS Xen to XCP****
>
> ** **
>
> Post all PV  fields of VM (xe vm-list params and copypaste all fields with
> PV in name). Looks like you having bad settings for PV-bootloader(-args).
>
> On 07.12.2011 11:35, Johnny Tao wrote: ****
>
> Hi, All ****
>
> ** **
>
> I'm just new to this list, I'm started to dealing with OSS Xen to XCP
> migration earlier this week, seem the domUs installed via virt-install are
> function well,****
>
> but domUs copied via dom0 are failed during bootup process, finally I realize
> if I could fix this on my OSS Xen will resolve all. ****
>
> Can I have any suggestion from you please ?****
>
> ** **
>
>  ****
>
> *Details*****
>
> ** **
>
> *Source XenHost*****
>
> OS: CentOS 5.7 64Bit****
>
> XEN: xen-3.0.3-132.el5****
>
> ** **
>
> *Target XenHost*****
>
> OS: XCP 1.1****
>
> XEN: xen-hypervisor-3.4.2-1.1.0.704.20055****
>
> ** **
>
> *Error Msg*****
>
> ** **
>
> Traceback (most recent call last):****
>
>   File "/usr/bin/pygrub", line 693, in ?****
>
>     data = fs.open_file(chosencfg["kernel"]).read()****
>
> IOError: [Errno 2] No such file or directory****
>
> ** **
>
> Thanks ****
>
> ** **
>
> -Johnny****
>
> ** **
>
> ** **
>
> ** **
>
>  ****
>
>
>
>
> ****
>
> _______________________________________________****
>
> Xen-users mailing list****
>
> Xen-users@lists.xensource.com****
>
> http://lists.xensource.com/xen-users****
>
> ** **
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>

--20cf307ac009faf94604b38ba8ef
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

George &amp; Joseph <br><br>Thanks for your response , since this domU copi=
ed from dom0 and has no a grub on it, although I give other try to installe=
d kernel-xen and grub manually on OSS=A0 Xen Host, which still being stuck =
to start up.Do I need fix the grub installation first on OSS Xen Host and t=
hen start migration ?<br>
<br>With many thanks <br><br>Check info below reference <br><br><b><i>xm cr=
eatc -c /etc/xen/demo - OSS Xen Host</i></b><br><br>Traceback (most recent =
call last):<br>=A0 File &quot;/usr/bin/pygrub&quot;, line 693, in ?<br>=A0=
=A0=A0 data =3D fs.open_file(chosencfg[&quot;kernel&quot;]).read()<br>
IOError: [Errno 2] No such file or directory<br>No handlers could be found =
for logger &quot;xend&quot;<br>Error: Boot loader didn&#39;t return any dat=
a!<br>Usage: xm create &lt;ConfigFile&gt; [options] [vars]<br><br><b><i>xe =
vm-list params=A0 - XCP Xen Host</i></b><br>
<br>uuid ( RO)=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0 : 47dc79b3-e763-8712-8769-49bbbf9dc7ec<br>=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 name-label ( RW): demo_old<br>=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 name-description ( RW): <br>=A0=A0=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 user-version ( RW): 1<br>=A0=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 is-a-template ( RW): false<br=
>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 is-a-snapshot ( RO): false=
<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 snapshot-of ( RO=
): &lt;not in database&gt;<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0 snapshots ( RO): <br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0 snapshot-time ( RO): 19700101T00:00:00Z<br>=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 snapshot-info ( RO): <br>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 paren=
t ( RO): &lt;not in database&gt;<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0=A0 children ( RO): <br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0 is-control-domain ( RO): false<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0 power-state ( RO): halted<br>=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0=A0 memory-actual ( RO): 0<br>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 memory-target ( RO): &lt;e=
xpensive field&gt;<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 memory-ove=
rhead ( RO): 4194304<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 memory-static-=
max ( RW): 268435456<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 memory-dynamic-ma=
x ( RW): 268435456<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 memory-dynamic-min =
( RW): 268435456<br>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 memory-static-min ( RW): 16777216<br>=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 suspend-VDI-uuid ( RO): &lt;not in =
database&gt;<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 VCPUs-p=
arams (MRW): <br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0 VCPUs-max ( RW): 1<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 VCPUs-at-=
startup ( RW): 1<br>
=A0=A0=A0=A0=A0=A0=A0 actions-after-shutdown ( RW): Destroy<br>=A0=A0=A0=A0=
=A0=A0=A0=A0=A0 actions-after-reboot ( RW): Restart<br>=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0 actions-after-crash ( RW): Restart<br>=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0=A0 console-uuids (SRO): <br>=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 platform (MRW): nx: false; acpi: tr=
ue; apic: true; pae: true; viridian: true<br>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 allowed-operations (SRO): changing_dynami=
c_range; changing_static_range; make_into_template; destroy; export; start_=
on; start; clone; copy; snapshot<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 curre=
nt-operations (SRO): <br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 blocked-operatio=
ns (MRW): <br>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 allowed-VBD-devices (SRO): &lt;expensive fie=
ld&gt;<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 allowed-VIF-devices (SRO): &lt;exp=
ensive field&gt;<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 possible-=
hosts ( RO): &lt;expensive field&gt;<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0 HVM-boot-policy ( RW): <br>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 HVM-boot-params (MRW): order: <b=
r>=A0=A0=A0=A0=A0=A0=A0=A0 HVM-shadow-multiplier ( RW): 1.000<br>=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PV-kernel ( RW): <br>=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PV-ramdisk ( RW):=
 <br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PV-=
args ( RW): <br>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PV-legacy-args ( RW): <br>=A0=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PV-bootloader ( RW): pygrub<b=
r>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PV-bootloader-args ( RW): <br>=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0 last-boot-CPU-flags ( RO): <br>=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0 last-boot-record ( RO): &lt;expensive field&gt;<br>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 resident-on ( RO): &=
lt;not in database&gt;<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0 affinity ( RW): 288977fd-1836-475a-9109-7f2e68ccae1e<br>=A0=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 other-config (MRW): import=
_task: OpaqueRef:495fd90f-8b8a-96b8-ca22-5c9ff4d427b8; mac_seed: 709328f5-a=
ca8-3c87-bb3b-de81d2aab3d5; install-methods: cdrom<br>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 dom-i=
d ( RO): -1<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 recommendations (=
 RO): &lt;restrictions&gt;&lt;restriction field=3D&quot;memory-static-max&q=
uot; max=3D&quot;34359738368&quot; /&gt;&lt;restriction field=3D&quot;vcpus=
-max&quot; max=3D&quot;8&quot; /&gt;&lt;restriction property=3D&quot;number=
-of-vbds&quot; max=3D&quot;7&quot; /&gt;&lt;restriction property=3D&quot;nu=
mber-of-vifs&quot; max=3D&quot;7&quot; /&gt;&lt;/restrictions&gt;<br>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 xenstore-data (MRW): <br>=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 ha-always-run ( RW): false=
<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 ha-restart-priority ( RW): <br>=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 blobs ( RO)=
: <br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 start-time =
( RO): 19700101T00:00:00Z<br>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 install-time ( RO): 197=
00101T00:00:00Z<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 VCPU=
s-number ( RO): 0<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 VCPUs-utilisation=
 (MRO): &lt;expensive field&gt;<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0 os-version (MRO): &lt;not in database&gt;<br>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PV-drivers-version (MRO): &lt;not in data=
base&gt;<br>=A0=A0=A0=A0=A0=A0=A0=A0 PV-drivers-up-to-date ( RO): &lt;not i=
n database&gt;<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0 memory (MRO): &lt;not in database&gt;<br>=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 disks (MRO): &lt;not in=
 database&gt;<br>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 networks (M=
RO): &lt;not in database&gt;<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 other (MRO): &lt;not in database&gt;<br>=A0=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 li=
ve ( RO): &lt;not in database&gt;<br>=A0=A0=A0 guest-metrics-last-updated (=
 RO): &lt;not in database&gt;<br>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 cooperative ( RO): &=
lt;expensive field&gt;<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 protection-p=
olicy ( RW): &lt;not in database&gt;<br>=A0=A0=A0=A0=A0=A0=A0=A0 is-snapsho=
t-from-vmpp ( RO): false<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 tags (SRW): <br><br>
<div class=3D"gmail_quote">On Thu, Dec 8, 2011 at 1:16 AM, Joseph Hom <span=
 dir=3D"ltr">&lt;<a href=3D"mailto:jhom@softlayer.com">jhom@softlayer.com</=
a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0=
 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">






<div bgcolor=3D"white" link=3D"blue" vlink=3D"purple" lang=3D"EN-US">
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1f497d">Also if you can please po=
st your menu.lst or grub.cfg from the domU.<u></u><u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u>=A0<u></u></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;;color:windowtext">From:</span></b><spa=
n style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif=
&quot;;color:windowtext"> <a href=3D"mailto:xen-users-bounces@lists.xensour=
ce.com" target=3D"_blank">xen-users-bounces@lists.xensource.com</a> [mailto=
:<a href=3D"mailto:xen-users-bounces@lists.xensource.com" target=3D"_blank"=
>xen-users-bounces@lists.xensource.com</a>]
<b>On Behalf Of </b>George Shuklin<br>
<b>Sent:</b> Wednesday, December 07, 2011 7:02 AM<br>
<b>To:</b> <a href=3D"mailto:xen-users@lists.xensource.com" target=3D"_blan=
k">xen-users@lists.xensource.com</a><br>
<b>Subject:</b> Re: [Xen-users] DomU pygrub issue - OSS Xen to XCP<u></u><u=
></u></span></p>
</div>
</div><div><div class=3D"h5">
<p class=3D"MsoNormal"><u></u>=A0<u></u></p>
<p class=3D"MsoNormal">Post all PV=A0 fields of VM (xe vm-list params and c=
opypaste all fields with PV in name). Looks like you having bad settings fo=
r PV-bootloader(-args).<br>
<br>
On 07.12.2011 11:35, Johnny Tao wrote: <u></u><u></u></p>
<p class=3D"MsoNormal">Hi, All <u></u><u></u></p>
<div>
<p class=3D"MsoNormal"><u></u>=A0<u></u></p>
</div>
<div>
<p class=3D"MsoNormal">I&#39;m just new to this list, I&#39;m started to de=
aling with OSS Xen to XCP migration earlier this week, seem the domUs insta=
lled via virt-install are function well,<u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal">but domUs copied via dom0 are failed during bootup p=
rocess, finally I=A0<span><span style=3D"font-size:9.0pt;font-family:&quot;=
Arial&quot;,&quot;sans-serif&quot;">realize if I could fix this on my OSS X=
en will resolve all.=A0</span></span><u></u><u></u></p>

</div>
<div>
<div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Arial&quot;,&quot;s=
ans-serif&quot;">Can I have any suggestion from you please ?<u></u><u></u><=
/span></p>
</div>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Arial&quot;,&quot;s=
ans-serif&quot;"><u></u>=A0<u></u></span></p>
</div>
</div>
<div>
<p class=3D"MsoNormal">=A0<u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal"><b>Details</b><u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal"><u></u>=A0<u></u></p>
</div>
<div>
<p class=3D"MsoNormal"><u>Source XenHost</u><u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal">OS: CentOS 5.7 64Bit<u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal">XEN:=A0xen-3.0.3-132.el5<u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal"><u></u>=A0<u></u></p>
</div>
<div>
<p class=3D"MsoNormal"><u>Target XenHost</u><u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal">OS: XCP 1.1<u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal">XEN:=A0xen-hypervisor-3.4.2-1.1.0.704.20055<u></u><u=
></u></p>
</div>
<div>
<p class=3D"MsoNormal"><u></u>=A0<u></u></p>
</div>
<div>
<p class=3D"MsoNormal"><b>Error Msg</b><u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal"><u></u>=A0<u></u></p>
</div>
<div>
<div>
<p class=3D"MsoNormal">Traceback (most recent call last):<u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal">=A0 File &quot;/usr/bin/pygrub&quot;, line 693, in ?=
<u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal">=A0 =A0 data =3D fs.open_file(chosencfg[&quot;kernel=
&quot;]).read()<u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal">IOError: [Errno 2] No such file or directory<u></u><=
u></u></p>
</div>
</div>
<div>
<p class=3D"MsoNormal"><u></u>=A0<u></u></p>
</div>
<div>
<p class=3D"MsoNormal">Thanks=A0<u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal"><u></u>=A0<u></u></p>
</div>
<div>
<p class=3D"MsoNormal">-Johnny<u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal"><u></u>=A0<u></u></p>
</div>
<div>
<p class=3D"MsoNormal"><u></u>=A0<u></u></p>
</div>
<div>
<p class=3D"MsoNormal"><u></u>=A0<u></u></p>
</div>
<div>
<p class=3D"MsoNormal">=A0<u></u><u></u></p>
</div>
<p class=3D"MsoNormal"><br>
<br>
<br>
<u></u><u></u></p>
<pre>_______________________________________________<u></u><u></u></pre>
<pre>Xen-users mailing list<u></u><u></u></pre>
<pre><a href=3D"mailto:Xen-users@lists.xensource.com" target=3D"_blank">Xen=
-users@lists.xensource.com</a><u></u><u></u></pre>
<pre><a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">htt=
p://lists.xensource.com/xen-users</a><u></u><u></u></pre>
<p class=3D"MsoNormal"><u></u>=A0<u></u></p>
</div></div></div>
</div>

<br>_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.=
com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br></blockquote></div><br>

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Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users
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From: Johnny Tao <johnnybeijing@gmail.com>
To: Joseph Hom <jhom@softlayer.com>
Cc: George Shuklin <george.shuklin@gmail.com>,
	"xen-users@lists.xensource.com" <xen-users@lists.xensource.com>
Subject: Re: [Xen-users] DomU pygrub issue - OSS Xen to XCP
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George & Joseph

Thanks for your response , since this domU copied from dom0 and has no a
grub on it, although I give other try to installed kernel-xen and grub
manually on OSS  Xen Host, which still being stuck to start up.Do I need
fix the grub installation first on OSS Xen Host and then start migration ?

With many thanks

Check info below reference

*xm creatc -c /etc/xen/demo - OSS Xen Host*

Traceback (most recent call last):
  File "/usr/bin/pygrub", line 693, in ?
    data = fs.open_file(chosencfg["kernel"]).read()
IOError: [Errno 2] No such file or directory
No handlers could be found for logger "xend"
Error: Boot loader didn't return any data!
Usage: xm create <ConfigFile> [options] [vars]

*xe vm-list params  - XCP Xen Host*

uuid ( RO)                          : 47dc79b3-e763-8712-8769-49bbbf9dc7ec
                    name-label ( RW): demo_old
              name-description ( RW):
                  user-version ( RW): 1
                 is-a-template ( RW): false
                 is-a-snapshot ( RO): false
                   snapshot-of ( RO): <not in database>
                     snapshots ( RO):
                 snapshot-time ( RO): 19700101T00:00:00Z
                 snapshot-info ( RO):
                        parent ( RO): <not in database>
                      children ( RO):
             is-control-domain ( RO): false
                   power-state ( RO): halted
                 memory-actual ( RO): 0
                 memory-target ( RO): <expensive field>
               memory-overhead ( RO): 4194304
             memory-static-max ( RW): 268435456
            memory-dynamic-max ( RW): 268435456
            memory-dynamic-min ( RW): 268435456
             memory-static-min ( RW): 16777216
              suspend-VDI-uuid ( RO): <not in database>
                  VCPUs-params (MRW):
                     VCPUs-max ( RW): 1
              VCPUs-at-startup ( RW): 1
        actions-after-shutdown ( RW): Destroy
          actions-after-reboot ( RW): Restart
           actions-after-crash ( RW): Restart
                 console-uuids (SRO):
                      platform (MRW): nx: false; acpi: true; apic: true;
pae: true; viridian: true
            allowed-operations (SRO): changing_dynamic_range;
changing_static_range; make_into_template; destroy; export; start_on;
start; clone; copy; snapshot
            current-operations (SRO):
            blocked-operations (MRW):
           allowed-VBD-devices (SRO): <expensive field>
           allowed-VIF-devices (SRO): <expensive field>
                possible-hosts ( RO): <expensive field>
               HVM-boot-policy ( RW):
               HVM-boot-params (MRW): order:
         HVM-shadow-multiplier ( RW): 1.000
                     PV-kernel ( RW):
                    PV-ramdisk ( RW):
                       PV-args ( RW):
                PV-legacy-args ( RW):
                 PV-bootloader ( RW): pygrub
            PV-bootloader-args ( RW):
           last-boot-CPU-flags ( RO):
              last-boot-record ( RO): <expensive field>
                   resident-on ( RO): <not in database>
                      affinity ( RW): 288977fd-1836-475a-9109-7f2e68ccae1e
                  other-config (MRW): import_task:
OpaqueRef:495fd90f-8b8a-96b8-ca22-5c9ff4d427b8; mac_seed:
709328f5-aca8-3c87-bb3b-de81d2aab3d5; install-methods: cdrom
                        dom-id ( RO): -1
               recommendations ( RO): <restrictions><restriction
field="memory-static-max" max="34359738368" /><restriction
field="vcpus-max" max="8" /><restriction property="number-of-vbds" max="7"
/><restriction property="number-of-vifs" max="7" /></restrictions>
                 xenstore-data (MRW):
                 ha-always-run ( RW): false
           ha-restart-priority ( RW):
                         blobs ( RO):
                    start-time ( RO): 19700101T00:00:00Z
                  install-time ( RO): 19700101T00:00:00Z
                  VCPUs-number ( RO): 0
             VCPUs-utilisation (MRO): <expensive field>
                    os-version (MRO): <not in database>
            PV-drivers-version (MRO): <not in database>
         PV-drivers-up-to-date ( RO): <not in database>
                        memory (MRO): <not in database>
                         disks (MRO): <not in database>
                      networks (MRO): <not in database>
                         other (MRO): <not in database>
                          live ( RO): <not in database>
    guest-metrics-last-updated ( RO): <not in database>
                   cooperative ( RO): <expensive field>
             protection-policy ( RW): <not in database>
         is-snapshot-from-vmpp ( RO): false
                          tags (SRW):

On Thu, Dec 8, 2011 at 1:16 AM, Joseph Hom <jhom@softlayer.com> wrote:

>  Also if you can please post your menu.lst or grub.cfg from the domU.****
>
> ** **
>
> *From:* xen-users-bounces@lists.xensource.com [mailto:
> xen-users-bounces@lists.xensource.com] *On Behalf Of *George Shuklin
> *Sent:* Wednesday, December 07, 2011 7:02 AM
> *To:* xen-users@lists.xensource.com
> *Subject:* Re: [Xen-users] DomU pygrub issue - OSS Xen to XCP****
>
> ** **
>
> Post all PV  fields of VM (xe vm-list params and copypaste all fields with
> PV in name). Looks like you having bad settings for PV-bootloader(-args).
>
> On 07.12.2011 11:35, Johnny Tao wrote: ****
>
> Hi, All ****
>
> ** **
>
> I'm just new to this list, I'm started to dealing with OSS Xen to XCP
> migration earlier this week, seem the domUs installed via virt-install are
> function well,****
>
> but domUs copied via dom0 are failed during bootup process, finally I realize
> if I could fix this on my OSS Xen will resolve all. ****
>
> Can I have any suggestion from you please ?****
>
> ** **
>
>  ****
>
> *Details*****
>
> ** **
>
> *Source XenHost*****
>
> OS: CentOS 5.7 64Bit****
>
> XEN: xen-3.0.3-132.el5****
>
> ** **
>
> *Target XenHost*****
>
> OS: XCP 1.1****
>
> XEN: xen-hypervisor-3.4.2-1.1.0.704.20055****
>
> ** **
>
> *Error Msg*****
>
> ** **
>
> Traceback (most recent call last):****
>
>   File "/usr/bin/pygrub", line 693, in ?****
>
>     data = fs.open_file(chosencfg["kernel"]).read()****
>
> IOError: [Errno 2] No such file or directory****
>
> ** **
>
> Thanks ****
>
> ** **
>
> -Johnny****
>
> ** **
>
> ** **
>
> ** **
>
>  ****
>
>
>
>
> ****
>
> _______________________________________________****
>
> Xen-users mailing list****
>
> Xen-users@lists.xensource.com****
>
> http://lists.xensource.com/xen-users****
>
> ** **
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>

--20cf307ac009faf94604b38ba8ef
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

George &amp; Joseph <br><br>Thanks for your response , since this domU copi=
ed from dom0 and has no a grub on it, although I give other try to installe=
d kernel-xen and grub manually on OSS=A0 Xen Host, which still being stuck =
to start up.Do I need fix the grub installation first on OSS Xen Host and t=
hen start migration ?<br>
<br>With many thanks <br><br>Check info below reference <br><br><b><i>xm cr=
eatc -c /etc/xen/demo - OSS Xen Host</i></b><br><br>Traceback (most recent =
call last):<br>=A0 File &quot;/usr/bin/pygrub&quot;, line 693, in ?<br>=A0=
=A0=A0 data =3D fs.open_file(chosencfg[&quot;kernel&quot;]).read()<br>
IOError: [Errno 2] No such file or directory<br>No handlers could be found =
for logger &quot;xend&quot;<br>Error: Boot loader didn&#39;t return any dat=
a!<br>Usage: xm create &lt;ConfigFile&gt; [options] [vars]<br><br><b><i>xe =
vm-list params=A0 - XCP Xen Host</i></b><br>
<br>uuid ( RO)=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0 : 47dc79b3-e763-8712-8769-49bbbf9dc7ec<br>=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 name-label ( RW): demo_old<br>=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 name-description ( RW): <br>=A0=A0=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 user-version ( RW): 1<br>=A0=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 is-a-template ( RW): false<br=
>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 is-a-snapshot ( RO): false=
<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 snapshot-of ( RO=
): &lt;not in database&gt;<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0 snapshots ( RO): <br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0 snapshot-time ( RO): 19700101T00:00:00Z<br>=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 snapshot-info ( RO): <br>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 paren=
t ( RO): &lt;not in database&gt;<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0=A0 children ( RO): <br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0 is-control-domain ( RO): false<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0 power-state ( RO): halted<br>=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0=A0 memory-actual ( RO): 0<br>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 memory-target ( RO): &lt;e=
xpensive field&gt;<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 memory-ove=
rhead ( RO): 4194304<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 memory-static-=
max ( RW): 268435456<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 memory-dynamic-ma=
x ( RW): 268435456<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 memory-dynamic-min =
( RW): 268435456<br>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 memory-static-min ( RW): 16777216<br>=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 suspend-VDI-uuid ( RO): &lt;not in =
database&gt;<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 VCPUs-p=
arams (MRW): <br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0 VCPUs-max ( RW): 1<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 VCPUs-at-=
startup ( RW): 1<br>
=A0=A0=A0=A0=A0=A0=A0 actions-after-shutdown ( RW): Destroy<br>=A0=A0=A0=A0=
=A0=A0=A0=A0=A0 actions-after-reboot ( RW): Restart<br>=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0 actions-after-crash ( RW): Restart<br>=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0=A0 console-uuids (SRO): <br>=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 platform (MRW): nx: false; acpi: tr=
ue; apic: true; pae: true; viridian: true<br>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 allowed-operations (SRO): changing_dynami=
c_range; changing_static_range; make_into_template; destroy; export; start_=
on; start; clone; copy; snapshot<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 curre=
nt-operations (SRO): <br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 blocked-operatio=
ns (MRW): <br>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 allowed-VBD-devices (SRO): &lt;expensive fie=
ld&gt;<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 allowed-VIF-devices (SRO): &lt;exp=
ensive field&gt;<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 possible-=
hosts ( RO): &lt;expensive field&gt;<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0 HVM-boot-policy ( RW): <br>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 HVM-boot-params (MRW): order: <b=
r>=A0=A0=A0=A0=A0=A0=A0=A0 HVM-shadow-multiplier ( RW): 1.000<br>=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PV-kernel ( RW): <br>=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PV-ramdisk ( RW):=
 <br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PV-=
args ( RW): <br>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PV-legacy-args ( RW): <br>=A0=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PV-bootloader ( RW): pygrub<b=
r>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PV-bootloader-args ( RW): <br>=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0 last-boot-CPU-flags ( RO): <br>=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0 last-boot-record ( RO): &lt;expensive field&gt;<br>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 resident-on ( RO): &=
lt;not in database&gt;<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0 affinity ( RW): 288977fd-1836-475a-9109-7f2e68ccae1e<br>=A0=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 other-config (MRW): import=
_task: OpaqueRef:495fd90f-8b8a-96b8-ca22-5c9ff4d427b8; mac_seed: 709328f5-a=
ca8-3c87-bb3b-de81d2aab3d5; install-methods: cdrom<br>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 dom-i=
d ( RO): -1<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 recommendations (=
 RO): &lt;restrictions&gt;&lt;restriction field=3D&quot;memory-static-max&q=
uot; max=3D&quot;34359738368&quot; /&gt;&lt;restriction field=3D&quot;vcpus=
-max&quot; max=3D&quot;8&quot; /&gt;&lt;restriction property=3D&quot;number=
-of-vbds&quot; max=3D&quot;7&quot; /&gt;&lt;restriction property=3D&quot;nu=
mber-of-vifs&quot; max=3D&quot;7&quot; /&gt;&lt;/restrictions&gt;<br>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 xenstore-data (MRW): <br>=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 ha-always-run ( RW): false=
<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 ha-restart-priority ( RW): <br>=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 blobs ( RO)=
: <br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 start-time =
( RO): 19700101T00:00:00Z<br>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 install-time ( RO): 197=
00101T00:00:00Z<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 VCPU=
s-number ( RO): 0<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 VCPUs-utilisation=
 (MRO): &lt;expensive field&gt;<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0 os-version (MRO): &lt;not in database&gt;<br>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PV-drivers-version (MRO): &lt;not in data=
base&gt;<br>=A0=A0=A0=A0=A0=A0=A0=A0 PV-drivers-up-to-date ( RO): &lt;not i=
n database&gt;<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0 memory (MRO): &lt;not in database&gt;<br>=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 disks (MRO): &lt;not in=
 database&gt;<br>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 networks (M=
RO): &lt;not in database&gt;<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 other (MRO): &lt;not in database&gt;<br>=A0=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 li=
ve ( RO): &lt;not in database&gt;<br>=A0=A0=A0 guest-metrics-last-updated (=
 RO): &lt;not in database&gt;<br>
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 cooperative ( RO): &=
lt;expensive field&gt;<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 protection-p=
olicy ( RW): &lt;not in database&gt;<br>=A0=A0=A0=A0=A0=A0=A0=A0 is-snapsho=
t-from-vmpp ( RO): false<br>=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 tags (SRW): <br><br>
<div class=3D"gmail_quote">On Thu, Dec 8, 2011 at 1:16 AM, Joseph Hom <span=
 dir=3D"ltr">&lt;<a href=3D"mailto:jhom@softlayer.com">jhom@softlayer.com</=
a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0=
 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">






<div bgcolor=3D"white" link=3D"blue" vlink=3D"purple" lang=3D"EN-US">
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1f497d">Also if you can please po=
st your menu.lst or grub.cfg from the domU.<u></u><u></u></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&quot;Ca=
libri&quot;,&quot;sans-serif&quot;;color:#1f497d"><u></u>=A0<u></u></span><=
/p>
<div>
<div style=3D"border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0in =
0in 0in">
<p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt;font-family:&quot=
;Tahoma&quot;,&quot;sans-serif&quot;;color:windowtext">From:</span></b><spa=
n style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif=
&quot;;color:windowtext"> <a href=3D"mailto:xen-users-bounces@lists.xensour=
ce.com" target=3D"_blank">xen-users-bounces@lists.xensource.com</a> [mailto=
:<a href=3D"mailto:xen-users-bounces@lists.xensource.com" target=3D"_blank"=
>xen-users-bounces@lists.xensource.com</a>]
<b>On Behalf Of </b>George Shuklin<br>
<b>Sent:</b> Wednesday, December 07, 2011 7:02 AM<br>
<b>To:</b> <a href=3D"mailto:xen-users@lists.xensource.com" target=3D"_blan=
k">xen-users@lists.xensource.com</a><br>
<b>Subject:</b> Re: [Xen-users] DomU pygrub issue - OSS Xen to XCP<u></u><u=
></u></span></p>
</div>
</div><div><div class=3D"h5">
<p class=3D"MsoNormal"><u></u>=A0<u></u></p>
<p class=3D"MsoNormal">Post all PV=A0 fields of VM (xe vm-list params and c=
opypaste all fields with PV in name). Looks like you having bad settings fo=
r PV-bootloader(-args).<br>
<br>
On 07.12.2011 11:35, Johnny Tao wrote: <u></u><u></u></p>
<p class=3D"MsoNormal">Hi, All <u></u><u></u></p>
<div>
<p class=3D"MsoNormal"><u></u>=A0<u></u></p>
</div>
<div>
<p class=3D"MsoNormal">I&#39;m just new to this list, I&#39;m started to de=
aling with OSS Xen to XCP migration earlier this week, seem the domUs insta=
lled via virt-install are function well,<u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal">but domUs copied via dom0 are failed during bootup p=
rocess, finally I=A0<span><span style=3D"font-size:9.0pt;font-family:&quot;=
Arial&quot;,&quot;sans-serif&quot;">realize if I could fix this on my OSS X=
en will resolve all.=A0</span></span><u></u><u></u></p>

</div>
<div>
<div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Arial&quot;,&quot;s=
ans-serif&quot;">Can I have any suggestion from you please ?<u></u><u></u><=
/span></p>
</div>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-family:&quot;Arial&quot;,&quot;s=
ans-serif&quot;"><u></u>=A0<u></u></span></p>
</div>
</div>
<div>
<p class=3D"MsoNormal">=A0<u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal"><b>Details</b><u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal"><u></u>=A0<u></u></p>
</div>
<div>
<p class=3D"MsoNormal"><u>Source XenHost</u><u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal">OS: CentOS 5.7 64Bit<u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal">XEN:=A0xen-3.0.3-132.el5<u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal"><u></u>=A0<u></u></p>
</div>
<div>
<p class=3D"MsoNormal"><u>Target XenHost</u><u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal">OS: XCP 1.1<u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal">XEN:=A0xen-hypervisor-3.4.2-1.1.0.704.20055<u></u><u=
></u></p>
</div>
<div>
<p class=3D"MsoNormal"><u></u>=A0<u></u></p>
</div>
<div>
<p class=3D"MsoNormal"><b>Error Msg</b><u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal"><u></u>=A0<u></u></p>
</div>
<div>
<div>
<p class=3D"MsoNormal">Traceback (most recent call last):<u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal">=A0 File &quot;/usr/bin/pygrub&quot;, line 693, in ?=
<u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal">=A0 =A0 data =3D fs.open_file(chosencfg[&quot;kernel=
&quot;]).read()<u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal">IOError: [Errno 2] No such file or directory<u></u><=
u></u></p>
</div>
</div>
<div>
<p class=3D"MsoNormal"><u></u>=A0<u></u></p>
</div>
<div>
<p class=3D"MsoNormal">Thanks=A0<u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal"><u></u>=A0<u></u></p>
</div>
<div>
<p class=3D"MsoNormal">-Johnny<u></u><u></u></p>
</div>
<div>
<p class=3D"MsoNormal"><u></u>=A0<u></u></p>
</div>
<div>
<p class=3D"MsoNormal"><u></u>=A0<u></u></p>
</div>
<div>
<p class=3D"MsoNormal"><u></u>=A0<u></u></p>
</div>
<div>
<p class=3D"MsoNormal">=A0<u></u><u></u></p>
</div>
<p class=3D"MsoNormal"><br>
<br>
<br>
<u></u><u></u></p>
<pre>_______________________________________________<u></u><u></u></pre>
<pre>Xen-users mailing list<u></u><u></u></pre>
<pre><a href=3D"mailto:Xen-users@lists.xensource.com" target=3D"_blank">Xen=
-users@lists.xensource.com</a><u></u><u></u></pre>
<pre><a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">htt=
p://lists.xensource.com/xen-users</a><u></u><u></u></pre>
<p class=3D"MsoNormal"><u></u>=A0<u></u></p>
</div></div></div>
</div>

<br>_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.=
com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br></blockquote></div><br>

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Date: Thu, 08 Dec 2011 06:58:00 +0400
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Subject: Re: [Xen-users] DomU pygrub issue - OSS Xen to XCP
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You have no bootloader and what how you expect virtual machine to boot?

Chroot to domU filesystem, install grub. Or use 
PV-kernel/PV-ramdisk/PV-args variables to boot kernel from 'outside' 
domU (they must resides in /boot/guest of XCP dom0).

On 08.12.2011 06:45, Johnny Tao wrote:
> George & Joseph
>
> Thanks for your response , since this domU copied from dom0 and has no 
> a grub on it, although I give other try to installed kernel-xen and 
> grub manually on OSS  Xen Host, which still being stuck to start up.Do 
> I need fix the grub installation first on OSS Xen Host and then start 
> migration ?
>
> With many thanks
>
> Check info below reference
>
> */xm creatc -c /etc/xen/demo - OSS Xen Host/*
>
> Traceback (most recent call last):
>   File "/usr/bin/pygrub", line 693, in ?
>     data = fs.open_file(chosencfg["kernel"]).read()
> IOError: [Errno 2] No such file or directory
> No handlers could be found for logger "xend"
> Error: Boot loader didn't return any data!
> Usage: xm create <ConfigFile> [options] [vars]
>
> */xe vm-list params  - XCP Xen Host/*
>
> uuid ( RO)                          : 47dc79b3-e763-8712-8769-49bbbf9dc7ec
>                     name-label ( RW): demo_old
>               name-description ( RW):
>                   user-version ( RW): 1
>                  is-a-template ( RW): false
>                  is-a-snapshot ( RO): false
>                    snapshot-of ( RO): <not in database>
>                      snapshots ( RO):
>                  snapshot-time ( RO): 19700101T00:00:00Z
>                  snapshot-info ( RO):
>                         parent ( RO): <not in database>
>                       children ( RO):
>              is-control-domain ( RO): false
>                    power-state ( RO): halted
>                  memory-actual ( RO): 0
>                  memory-target ( RO): <expensive field>
>                memory-overhead ( RO): 4194304
>              memory-static-max ( RW): 268435456
>             memory-dynamic-max ( RW): 268435456
>             memory-dynamic-min ( RW): 268435456
>              memory-static-min ( RW): 16777216
>               suspend-VDI-uuid ( RO): <not in database>
>                   VCPUs-params (MRW):
>                      VCPUs-max ( RW): 1
>               VCPUs-at-startup ( RW): 1
>         actions-after-shutdown ( RW): Destroy
>           actions-after-reboot ( RW): Restart
>            actions-after-crash ( RW): Restart
>                  console-uuids (SRO):
>                       platform (MRW): nx: false; acpi: true; apic: 
> true; pae: true; viridian: true
>             allowed-operations (SRO): changing_dynamic_range; 
> changing_static_range; make_into_template; destroy; export; start_on; 
> start; clone; copy; snapshot
>             current-operations (SRO):
>             blocked-operations (MRW):
>            allowed-VBD-devices (SRO): <expensive field>
>            allowed-VIF-devices (SRO): <expensive field>
>                 possible-hosts ( RO): <expensive field>
>                HVM-boot-policy ( RW):
>                HVM-boot-params (MRW): order:
>          HVM-shadow-multiplier ( RW): 1.000
>                      PV-kernel ( RW):
>                     PV-ramdisk ( RW):
>                        PV-args ( RW):
>                 PV-legacy-args ( RW):
>                  PV-bootloader ( RW): pygrub
>             PV-bootloader-args ( RW):
>            last-boot-CPU-flags ( RO):
>               last-boot-record ( RO): <expensive field>
>                    resident-on ( RO): <not in database>
>                       affinity ( RW): 288977fd-1836-475a-9109-7f2e68ccae1e
>                   other-config (MRW): import_task: 
> OpaqueRef:495fd90f-8b8a-96b8-ca22-5c9ff4d427b8; mac_seed: 
> 709328f5-aca8-3c87-bb3b-de81d2aab3d5; install-methods: cdrom
>                         dom-id ( RO): -1
>                recommendations ( RO): <restrictions><restriction 
> field="memory-static-max" max="34359738368" /><restriction 
> field="vcpus-max" max="8" /><restriction property="number-of-vbds" 
> max="7" /><restriction property="number-of-vifs" max="7" /></restrictions>
>                  xenstore-data (MRW):
>                  ha-always-run ( RW): false
>            ha-restart-priority ( RW):
>                          blobs ( RO):
>                     start-time ( RO): 19700101T00:00:00Z
>                   install-time ( RO): 19700101T00:00:00Z
>                   VCPUs-number ( RO): 0
>              VCPUs-utilisation (MRO): <expensive field>
>                     os-version (MRO): <not in database>
>             PV-drivers-version (MRO): <not in database>
>          PV-drivers-up-to-date ( RO): <not in database>
>                         memory (MRO): <not in database>
>                          disks (MRO): <not in database>
>                       networks (MRO): <not in database>
>                          other (MRO): <not in database>
>                           live ( RO): <not in database>
>     guest-metrics-last-updated ( RO): <not in database>
>                    cooperative ( RO): <expensive field>
>              protection-policy ( RW): <not in database>
>          is-snapshot-from-vmpp ( RO): false
>                           tags (SRW):
>
> On Thu, Dec 8, 2011 at 1:16 AM, Joseph Hom <jhom@softlayer.com 
> <mailto:jhom@softlayer.com>> wrote:
>
>     Also if you can please post your menu.lst or grub.cfg from the domU.
>
>     *From:*xen-users-bounces@lists.xensource.com
>     <mailto:xen-users-bounces@lists.xensource.com>
>     [mailto:xen-users-bounces@lists.xensource.com
>     <mailto:xen-users-bounces@lists.xensource.com>] *On Behalf Of
>     *George Shuklin
>     *Sent:* Wednesday, December 07, 2011 7:02 AM
>     *To:* xen-users@lists.xensource.com
>     <mailto:xen-users@lists.xensource.com>
>     *Subject:* Re: [Xen-users] DomU pygrub issue - OSS Xen to XCP
>
>     Post all PV  fields of VM (xe vm-list params and copypaste all
>     fields with PV in name). Looks like you having bad settings for
>     PV-bootloader(-args).
>
>     On 07.12.2011 11:35, Johnny Tao wrote:
>
>     Hi, All
>
>     I'm just new to this list, I'm started to dealing with OSS Xen to
>     XCP migration earlier this week, seem the domUs installed via
>     virt-install are function well,
>
>     but domUs copied via dom0 are failed during bootup process,
>     finally I realize if I could fix this on my OSS Xen will resolve all.
>
>     Can I have any suggestion from you please ?
>
>     *Details*
>
>     _Source XenHost_
>
>     OS: CentOS 5.7 64Bit
>
>     XEN: xen-3.0.3-132.el5
>
>     _Target XenHost_
>
>     OS: XCP 1.1
>
>     XEN: xen-hypervisor-3.4.2-1.1.0.704.20055
>
>     *Error Msg*
>
>     Traceback (most recent call last):
>
>       File "/usr/bin/pygrub", line 693, in ?
>
>         data = fs.open_file(chosencfg["kernel"]).read()
>
>     IOError: [Errno 2] No such file or directory
>
>     Thanks
>
>     -Johnny
>
>
>
>
>     _______________________________________________
>
>     Xen-users mailing list
>
>     Xen-users@lists.xensource.com  <mailto:Xen-users@lists.xensource.com>
>
>     http://lists.xensource.com/xen-users
>
>
>     _______________________________________________
>     Xen-users mailing list
>     Xen-users@lists.xensource.com <mailto:Xen-users@lists.xensource.com>
>     http://lists.xensource.com/xen-users
>
>


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    You have no bootloader and what how you expect virtual machine to
    boot?<br>
    <br>
    Chroot to domU filesystem, install grub. Or use
    PV-kernel/PV-ramdisk/PV-args variables to boot kernel from 'outside'
    domU (they must resides in /boot/guest of XCP dom0).<br>
    <br>
    On 08.12.2011 06:45, Johnny Tao wrote:
    <blockquote
cite="mid:CABVfK+0-LVXr=pWPDc1t=HCkd0brcgg9svncab7aJ6eO2cCwfA@mail.gmail.com"
      type="cite">George &amp; Joseph <br>
      <br>
      Thanks for your response , since this domU copied from dom0 and
      has no a grub on it, although I give other try to installed
      kernel-xen and grub manually on OSS&nbsp; Xen Host, which still being
      stuck to start up.Do I need fix the grub installation first on OSS
      Xen Host and then start migration ?<br>
      <br>
      With many thanks <br>
      <br>
      Check info below reference <br>
      <br>
      <b><i>xm creatc -c /etc/xen/demo - OSS Xen Host</i></b><br>
      <br>
      Traceback (most recent call last):<br>
      &nbsp; File "/usr/bin/pygrub", line 693, in ?<br>
      &nbsp;&nbsp;&nbsp; data = fs.open_file(chosencfg["kernel"]).read()<br>
      IOError: [Errno 2] No such file or directory<br>
      No handlers could be found for logger "xend"<br>
      Error: Boot loader didn't return any data!<br>
      Usage: xm create &lt;ConfigFile&gt; [options] [vars]<br>
      <br>
      <b><i>xe vm-list params&nbsp; - XCP Xen Host</i></b><br>
      <br>
      uuid ( RO)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; :
      47dc79b3-e763-8712-8769-49bbbf9dc7ec<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; name-label ( RW): demo_old<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; name-description ( RW): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; user-version ( RW): 1<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; is-a-template ( RW): false<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; is-a-snapshot ( RO): false<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; snapshot-of ( RO): &lt;not in database&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; snapshots ( RO): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; snapshot-time ( RO): 19700101T00:00:00Z<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; snapshot-info ( RO): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; parent ( RO): &lt;not in database&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; children ( RO): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; is-control-domain ( RO): false<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; power-state ( RO): halted<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory-actual ( RO): 0<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory-target ( RO): &lt;expensive field&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory-overhead ( RO): 4194304<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory-static-max ( RW): 268435456<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory-dynamic-max ( RW): 268435456<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory-dynamic-min ( RW): 268435456<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory-static-min ( RW): 16777216<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; suspend-VDI-uuid ( RO): &lt;not in database&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; VCPUs-params (MRW): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; VCPUs-max ( RW): 1<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; VCPUs-at-startup ( RW): 1<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; actions-after-shutdown ( RW): Destroy<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; actions-after-reboot ( RW): Restart<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; actions-after-crash ( RW): Restart<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; console-uuids (SRO): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; platform (MRW): nx: false; acpi: true; apic:
      true; pae: true; viridian: true<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; allowed-operations (SRO): changing_dynamic_range;
      changing_static_range; make_into_template; destroy; export;
      start_on; start; clone; copy; snapshot<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; current-operations (SRO): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; blocked-operations (MRW): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; allowed-VBD-devices (SRO): &lt;expensive field&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; allowed-VIF-devices (SRO): &lt;expensive field&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; possible-hosts ( RO): &lt;expensive field&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; HVM-boot-policy ( RW): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; HVM-boot-params (MRW): order: <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; HVM-shadow-multiplier ( RW): 1.000<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-kernel ( RW): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-ramdisk ( RW): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-args ( RW): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-legacy-args ( RW): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-bootloader ( RW): pygrub<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-bootloader-args ( RW): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; last-boot-CPU-flags ( RO): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; last-boot-record ( RO): &lt;expensive field&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; resident-on ( RO): &lt;not in database&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; affinity ( RW):
      288977fd-1836-475a-9109-7f2e68ccae1e<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; other-config (MRW): import_task:
      OpaqueRef:495fd90f-8b8a-96b8-ca22-5c9ff4d427b8; mac_seed:
      709328f5-aca8-3c87-bb3b-de81d2aab3d5; install-methods: cdrom<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; dom-id ( RO): -1<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; recommendations ( RO):
      &lt;restrictions&gt;&lt;restriction field="memory-static-max"
      max="34359738368" /&gt;&lt;restriction field="vcpus-max" max="8"
      /&gt;&lt;restriction property="number-of-vbds" max="7"
      /&gt;&lt;restriction property="number-of-vifs" max="7"
      /&gt;&lt;/restrictions&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; xenstore-data (MRW): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ha-always-run ( RW): false<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ha-restart-priority ( RW): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; blobs ( RO): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; start-time ( RO): 19700101T00:00:00Z<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; install-time ( RO): 19700101T00:00:00Z<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; VCPUs-number ( RO): 0<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; VCPUs-utilisation (MRO): &lt;expensive field&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; os-version (MRO): &lt;not in database&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-drivers-version (MRO): &lt;not in database&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-drivers-up-to-date ( RO): &lt;not in database&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory (MRO): &lt;not in database&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; disks (MRO): &lt;not in database&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; networks (MRO): &lt;not in database&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; other (MRO): &lt;not in database&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; live ( RO): &lt;not in database&gt;<br>
      &nbsp;&nbsp;&nbsp; guest-metrics-last-updated ( RO): &lt;not in database&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; cooperative ( RO): &lt;expensive field&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; protection-policy ( RW): &lt;not in database&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; is-snapshot-from-vmpp ( RO): false<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; tags (SRW): <br>
      <br>
      <div class="gmail_quote">On Thu, Dec 8, 2011 at 1:16 AM, Joseph
        Hom <span dir="ltr">&lt;<a moz-do-not-send="true"
            href="mailto:jhom@softlayer.com">jhom@softlayer.com</a>&gt;</span>
        wrote:<br>
        <blockquote class="gmail_quote" style="margin:0 0 0
          .8ex;border-left:1px #ccc solid;padding-left:1ex;">
          <div bgcolor="white" link="blue" vlink="purple" lang="EN-US">
            <div>
              <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">Also
                  if you can please post your menu.lst or grub.cfg from
                  the domU.</span></p>
              <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">&nbsp;</span></p>
              <div>
                <div style="border:none;border-top:solid #b5c4df
                  1.0pt;padding:3.0pt 0in 0in 0in">
                  <p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:windowtext">From:</span></b><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:windowtext">
                      <a moz-do-not-send="true"
                        href="mailto:xen-users-bounces@lists.xensource.com"
                        target="_blank">xen-users-bounces@lists.xensource.com</a>
                      [mailto:<a moz-do-not-send="true"
                        href="mailto:xen-users-bounces@lists.xensource.com"
                        target="_blank">xen-users-bounces@lists.xensource.com</a>]
                      <b>On Behalf Of </b>George Shuklin<br>
                      <b>Sent:</b> Wednesday, December 07, 2011 7:02 AM<br>
                      <b>To:</b> <a moz-do-not-send="true"
                        href="mailto:xen-users@lists.xensource.com"
                        target="_blank">xen-users@lists.xensource.com</a><br>
                      <b>Subject:</b> Re: [Xen-users] DomU pygrub issue
                      - OSS Xen to XCP</span></p>
                </div>
              </div>
              <div>
                <div class="h5">
                  <p class="MsoNormal">&nbsp;</p>
                  <p class="MsoNormal">Post all PV&nbsp; fields of VM (xe
                    vm-list params and copypaste all fields with PV in
                    name). Looks like you having bad settings for
                    PV-bootloader(-args).<br>
                    <br>
                    On 07.12.2011 11:35, Johnny Tao wrote: </p>
                  <p class="MsoNormal">Hi, All </p>
                  <div>
                    <p class="MsoNormal">&nbsp;</p>
                  </div>
                  <div>
                    <p class="MsoNormal">I'm just new to this list, I'm
                      started to dealing with OSS Xen to XCP migration
                      earlier this week, seem the domUs installed via
                      virt-install are function well,</p>
                  </div>
                  <div>
                    <p class="MsoNormal">but domUs copied via dom0 are
                      failed during bootup process, finally I&nbsp;<span><span
style="font-size:9.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">realize
                          if I could fix this on my OSS Xen will resolve
                          all.&nbsp;</span></span></p>
                  </div>
                  <div>
                    <div>
                      <div>
                        <p class="MsoNormal"><span
                            style="font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">Can
                            I have any suggestion from you please ?</span></p>
                      </div>
                    </div>
                    <div>
                      <p class="MsoNormal"><span
                          style="font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">&nbsp;</span></p>
                    </div>
                  </div>
                  <div>
                    <p class="MsoNormal">&nbsp;</p>
                  </div>
                  <div>
                    <p class="MsoNormal"><b>Details</b></p>
                  </div>
                  <div>
                    <p class="MsoNormal">&nbsp;</p>
                  </div>
                  <div>
                    <p class="MsoNormal"><u>Source XenHost</u></p>
                  </div>
                  <div>
                    <p class="MsoNormal">OS: CentOS 5.7 64Bit</p>
                  </div>
                  <div>
                    <p class="MsoNormal">XEN:&nbsp;xen-3.0.3-132.el5</p>
                  </div>
                  <div>
                    <p class="MsoNormal">&nbsp;</p>
                  </div>
                  <div>
                    <p class="MsoNormal"><u>Target XenHost</u></p>
                  </div>
                  <div>
                    <p class="MsoNormal">OS: XCP 1.1</p>
                  </div>
                  <div>
                    <p class="MsoNormal">XEN:&nbsp;xen-hypervisor-3.4.2-1.1.0.704.20055</p>
                  </div>
                  <div>
                    <p class="MsoNormal">&nbsp;</p>
                  </div>
                  <div>
                    <p class="MsoNormal"><b>Error Msg</b></p>
                  </div>
                  <div>
                    <p class="MsoNormal">&nbsp;</p>
                  </div>
                  <div>
                    <div>
                      <p class="MsoNormal">Traceback (most recent call
                        last):</p>
                    </div>
                    <div>
                      <p class="MsoNormal">&nbsp; File "/usr/bin/pygrub",
                        line 693, in ?</p>
                    </div>
                    <div>
                      <p class="MsoNormal">&nbsp; &nbsp; data =
                        fs.open_file(chosencfg["kernel"]).read()</p>
                    </div>
                    <div>
                      <p class="MsoNormal">IOError: [Errno 2] No such
                        file or directory</p>
                    </div>
                  </div>
                  <div>
                    <p class="MsoNormal">&nbsp;</p>
                  </div>
                  <div>
                    <p class="MsoNormal">Thanks&nbsp;</p>
                  </div>
                  <div>
                    <p class="MsoNormal">&nbsp;</p>
                  </div>
                  <div>
                    <p class="MsoNormal">-Johnny</p>
                  </div>
                  <div>
                    <p class="MsoNormal">&nbsp;</p>
                  </div>
                  <div>
                    <p class="MsoNormal">&nbsp;</p>
                  </div>
                  <div>
                    <p class="MsoNormal">&nbsp;</p>
                  </div>
                  <div>
                    <p class="MsoNormal">&nbsp;</p>
                  </div>
                  <p class="MsoNormal"><br>
                    <br>
                    <br>
                  </p>
                  <pre>_______________________________________________</pre>
                  <pre>Xen-users mailing list</pre>
                  <pre><a moz-do-not-send="true" href="mailto:Xen-users@lists.xensource.com" target="_blank">Xen-users@lists.xensource.com</a></pre>
                  <pre><a moz-do-not-send="true" href="http://lists.xensource.com/xen-users" target="_blank">http://lists.xensource.com/xen-users</a></pre>
                  <p class="MsoNormal">&nbsp;</p>
                </div>
              </div>
            </div>
          </div>
          <br>
          _______________________________________________<br>
          Xen-users mailing list<br>
          <a moz-do-not-send="true"
            href="mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.com</a><br>
          <a moz-do-not-send="true"
            href="http://lists.xensource.com/xen-users" target="_blank">http://lists.xensource.com/xen-users</a><br>
        </blockquote>
      </div>
      <br>
    </blockquote>
    <br>
  </body>
</html>

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Date: Thu, 08 Dec 2011 06:58:00 +0400
From: George Shuklin <george.shuklin@gmail.com>
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Subject: Re: [Xen-users] DomU pygrub issue - OSS Xen to XCP
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You have no bootloader and what how you expect virtual machine to boot?

Chroot to domU filesystem, install grub. Or use 
PV-kernel/PV-ramdisk/PV-args variables to boot kernel from 'outside' 
domU (they must resides in /boot/guest of XCP dom0).

On 08.12.2011 06:45, Johnny Tao wrote:
> George & Joseph
>
> Thanks for your response , since this domU copied from dom0 and has no 
> a grub on it, although I give other try to installed kernel-xen and 
> grub manually on OSS  Xen Host, which still being stuck to start up.Do 
> I need fix the grub installation first on OSS Xen Host and then start 
> migration ?
>
> With many thanks
>
> Check info below reference
>
> */xm creatc -c /etc/xen/demo - OSS Xen Host/*
>
> Traceback (most recent call last):
>   File "/usr/bin/pygrub", line 693, in ?
>     data = fs.open_file(chosencfg["kernel"]).read()
> IOError: [Errno 2] No such file or directory
> No handlers could be found for logger "xend"
> Error: Boot loader didn't return any data!
> Usage: xm create <ConfigFile> [options] [vars]
>
> */xe vm-list params  - XCP Xen Host/*
>
> uuid ( RO)                          : 47dc79b3-e763-8712-8769-49bbbf9dc7ec
>                     name-label ( RW): demo_old
>               name-description ( RW):
>                   user-version ( RW): 1
>                  is-a-template ( RW): false
>                  is-a-snapshot ( RO): false
>                    snapshot-of ( RO): <not in database>
>                      snapshots ( RO):
>                  snapshot-time ( RO): 19700101T00:00:00Z
>                  snapshot-info ( RO):
>                         parent ( RO): <not in database>
>                       children ( RO):
>              is-control-domain ( RO): false
>                    power-state ( RO): halted
>                  memory-actual ( RO): 0
>                  memory-target ( RO): <expensive field>
>                memory-overhead ( RO): 4194304
>              memory-static-max ( RW): 268435456
>             memory-dynamic-max ( RW): 268435456
>             memory-dynamic-min ( RW): 268435456
>              memory-static-min ( RW): 16777216
>               suspend-VDI-uuid ( RO): <not in database>
>                   VCPUs-params (MRW):
>                      VCPUs-max ( RW): 1
>               VCPUs-at-startup ( RW): 1
>         actions-after-shutdown ( RW): Destroy
>           actions-after-reboot ( RW): Restart
>            actions-after-crash ( RW): Restart
>                  console-uuids (SRO):
>                       platform (MRW): nx: false; acpi: true; apic: 
> true; pae: true; viridian: true
>             allowed-operations (SRO): changing_dynamic_range; 
> changing_static_range; make_into_template; destroy; export; start_on; 
> start; clone; copy; snapshot
>             current-operations (SRO):
>             blocked-operations (MRW):
>            allowed-VBD-devices (SRO): <expensive field>
>            allowed-VIF-devices (SRO): <expensive field>
>                 possible-hosts ( RO): <expensive field>
>                HVM-boot-policy ( RW):
>                HVM-boot-params (MRW): order:
>          HVM-shadow-multiplier ( RW): 1.000
>                      PV-kernel ( RW):
>                     PV-ramdisk ( RW):
>                        PV-args ( RW):
>                 PV-legacy-args ( RW):
>                  PV-bootloader ( RW): pygrub
>             PV-bootloader-args ( RW):
>            last-boot-CPU-flags ( RO):
>               last-boot-record ( RO): <expensive field>
>                    resident-on ( RO): <not in database>
>                       affinity ( RW): 288977fd-1836-475a-9109-7f2e68ccae1e
>                   other-config (MRW): import_task: 
> OpaqueRef:495fd90f-8b8a-96b8-ca22-5c9ff4d427b8; mac_seed: 
> 709328f5-aca8-3c87-bb3b-de81d2aab3d5; install-methods: cdrom
>                         dom-id ( RO): -1
>                recommendations ( RO): <restrictions><restriction 
> field="memory-static-max" max="34359738368" /><restriction 
> field="vcpus-max" max="8" /><restriction property="number-of-vbds" 
> max="7" /><restriction property="number-of-vifs" max="7" /></restrictions>
>                  xenstore-data (MRW):
>                  ha-always-run ( RW): false
>            ha-restart-priority ( RW):
>                          blobs ( RO):
>                     start-time ( RO): 19700101T00:00:00Z
>                   install-time ( RO): 19700101T00:00:00Z
>                   VCPUs-number ( RO): 0
>              VCPUs-utilisation (MRO): <expensive field>
>                     os-version (MRO): <not in database>
>             PV-drivers-version (MRO): <not in database>
>          PV-drivers-up-to-date ( RO): <not in database>
>                         memory (MRO): <not in database>
>                          disks (MRO): <not in database>
>                       networks (MRO): <not in database>
>                          other (MRO): <not in database>
>                           live ( RO): <not in database>
>     guest-metrics-last-updated ( RO): <not in database>
>                    cooperative ( RO): <expensive field>
>              protection-policy ( RW): <not in database>
>          is-snapshot-from-vmpp ( RO): false
>                           tags (SRW):
>
> On Thu, Dec 8, 2011 at 1:16 AM, Joseph Hom <jhom@softlayer.com 
> <mailto:jhom@softlayer.com>> wrote:
>
>     Also if you can please post your menu.lst or grub.cfg from the domU.
>
>     *From:*xen-users-bounces@lists.xensource.com
>     <mailto:xen-users-bounces@lists.xensource.com>
>     [mailto:xen-users-bounces@lists.xensource.com
>     <mailto:xen-users-bounces@lists.xensource.com>] *On Behalf Of
>     *George Shuklin
>     *Sent:* Wednesday, December 07, 2011 7:02 AM
>     *To:* xen-users@lists.xensource.com
>     <mailto:xen-users@lists.xensource.com>
>     *Subject:* Re: [Xen-users] DomU pygrub issue - OSS Xen to XCP
>
>     Post all PV  fields of VM (xe vm-list params and copypaste all
>     fields with PV in name). Looks like you having bad settings for
>     PV-bootloader(-args).
>
>     On 07.12.2011 11:35, Johnny Tao wrote:
>
>     Hi, All
>
>     I'm just new to this list, I'm started to dealing with OSS Xen to
>     XCP migration earlier this week, seem the domUs installed via
>     virt-install are function well,
>
>     but domUs copied via dom0 are failed during bootup process,
>     finally I realize if I could fix this on my OSS Xen will resolve all.
>
>     Can I have any suggestion from you please ?
>
>     *Details*
>
>     _Source XenHost_
>
>     OS: CentOS 5.7 64Bit
>
>     XEN: xen-3.0.3-132.el5
>
>     _Target XenHost_
>
>     OS: XCP 1.1
>
>     XEN: xen-hypervisor-3.4.2-1.1.0.704.20055
>
>     *Error Msg*
>
>     Traceback (most recent call last):
>
>       File "/usr/bin/pygrub", line 693, in ?
>
>         data = fs.open_file(chosencfg["kernel"]).read()
>
>     IOError: [Errno 2] No such file or directory
>
>     Thanks
>
>     -Johnny
>
>
>
>
>     _______________________________________________
>
>     Xen-users mailing list
>
>     Xen-users@lists.xensource.com  <mailto:Xen-users@lists.xensource.com>
>
>     http://lists.xensource.com/xen-users
>
>
>     _______________________________________________
>     Xen-users mailing list
>     Xen-users@lists.xensource.com <mailto:Xen-users@lists.xensource.com>
>     http://lists.xensource.com/xen-users
>
>


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    You have no bootloader and what how you expect virtual machine to
    boot?<br>
    <br>
    Chroot to domU filesystem, install grub. Or use
    PV-kernel/PV-ramdisk/PV-args variables to boot kernel from 'outside'
    domU (they must resides in /boot/guest of XCP dom0).<br>
    <br>
    On 08.12.2011 06:45, Johnny Tao wrote:
    <blockquote
cite="mid:CABVfK+0-LVXr=pWPDc1t=HCkd0brcgg9svncab7aJ6eO2cCwfA@mail.gmail.com"
      type="cite">George &amp; Joseph <br>
      <br>
      Thanks for your response , since this domU copied from dom0 and
      has no a grub on it, although I give other try to installed
      kernel-xen and grub manually on OSS&nbsp; Xen Host, which still being
      stuck to start up.Do I need fix the grub installation first on OSS
      Xen Host and then start migration ?<br>
      <br>
      With many thanks <br>
      <br>
      Check info below reference <br>
      <br>
      <b><i>xm creatc -c /etc/xen/demo - OSS Xen Host</i></b><br>
      <br>
      Traceback (most recent call last):<br>
      &nbsp; File "/usr/bin/pygrub", line 693, in ?<br>
      &nbsp;&nbsp;&nbsp; data = fs.open_file(chosencfg["kernel"]).read()<br>
      IOError: [Errno 2] No such file or directory<br>
      No handlers could be found for logger "xend"<br>
      Error: Boot loader didn't return any data!<br>
      Usage: xm create &lt;ConfigFile&gt; [options] [vars]<br>
      <br>
      <b><i>xe vm-list params&nbsp; - XCP Xen Host</i></b><br>
      <br>
      uuid ( RO)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; :
      47dc79b3-e763-8712-8769-49bbbf9dc7ec<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; name-label ( RW): demo_old<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; name-description ( RW): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; user-version ( RW): 1<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; is-a-template ( RW): false<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; is-a-snapshot ( RO): false<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; snapshot-of ( RO): &lt;not in database&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; snapshots ( RO): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; snapshot-time ( RO): 19700101T00:00:00Z<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; snapshot-info ( RO): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; parent ( RO): &lt;not in database&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; children ( RO): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; is-control-domain ( RO): false<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; power-state ( RO): halted<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory-actual ( RO): 0<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory-target ( RO): &lt;expensive field&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory-overhead ( RO): 4194304<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory-static-max ( RW): 268435456<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory-dynamic-max ( RW): 268435456<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory-dynamic-min ( RW): 268435456<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory-static-min ( RW): 16777216<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; suspend-VDI-uuid ( RO): &lt;not in database&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; VCPUs-params (MRW): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; VCPUs-max ( RW): 1<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; VCPUs-at-startup ( RW): 1<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; actions-after-shutdown ( RW): Destroy<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; actions-after-reboot ( RW): Restart<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; actions-after-crash ( RW): Restart<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; console-uuids (SRO): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; platform (MRW): nx: false; acpi: true; apic:
      true; pae: true; viridian: true<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; allowed-operations (SRO): changing_dynamic_range;
      changing_static_range; make_into_template; destroy; export;
      start_on; start; clone; copy; snapshot<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; current-operations (SRO): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; blocked-operations (MRW): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; allowed-VBD-devices (SRO): &lt;expensive field&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; allowed-VIF-devices (SRO): &lt;expensive field&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; possible-hosts ( RO): &lt;expensive field&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; HVM-boot-policy ( RW): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; HVM-boot-params (MRW): order: <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; HVM-shadow-multiplier ( RW): 1.000<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-kernel ( RW): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-ramdisk ( RW): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-args ( RW): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-legacy-args ( RW): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-bootloader ( RW): pygrub<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-bootloader-args ( RW): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; last-boot-CPU-flags ( RO): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; last-boot-record ( RO): &lt;expensive field&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; resident-on ( RO): &lt;not in database&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; affinity ( RW):
      288977fd-1836-475a-9109-7f2e68ccae1e<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; other-config (MRW): import_task:
      OpaqueRef:495fd90f-8b8a-96b8-ca22-5c9ff4d427b8; mac_seed:
      709328f5-aca8-3c87-bb3b-de81d2aab3d5; install-methods: cdrom<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; dom-id ( RO): -1<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; recommendations ( RO):
      &lt;restrictions&gt;&lt;restriction field="memory-static-max"
      max="34359738368" /&gt;&lt;restriction field="vcpus-max" max="8"
      /&gt;&lt;restriction property="number-of-vbds" max="7"
      /&gt;&lt;restriction property="number-of-vifs" max="7"
      /&gt;&lt;/restrictions&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; xenstore-data (MRW): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ha-always-run ( RW): false<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ha-restart-priority ( RW): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; blobs ( RO): <br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; start-time ( RO): 19700101T00:00:00Z<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; install-time ( RO): 19700101T00:00:00Z<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; VCPUs-number ( RO): 0<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; VCPUs-utilisation (MRO): &lt;expensive field&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; os-version (MRO): &lt;not in database&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-drivers-version (MRO): &lt;not in database&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-drivers-up-to-date ( RO): &lt;not in database&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory (MRO): &lt;not in database&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; disks (MRO): &lt;not in database&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; networks (MRO): &lt;not in database&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; other (MRO): &lt;not in database&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; live ( RO): &lt;not in database&gt;<br>
      &nbsp;&nbsp;&nbsp; guest-metrics-last-updated ( RO): &lt;not in database&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; cooperative ( RO): &lt;expensive field&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; protection-policy ( RW): &lt;not in database&gt;<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; is-snapshot-from-vmpp ( RO): false<br>
      &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; tags (SRW): <br>
      <br>
      <div class="gmail_quote">On Thu, Dec 8, 2011 at 1:16 AM, Joseph
        Hom <span dir="ltr">&lt;<a moz-do-not-send="true"
            href="mailto:jhom@softlayer.com">jhom@softlayer.com</a>&gt;</span>
        wrote:<br>
        <blockquote class="gmail_quote" style="margin:0 0 0
          .8ex;border-left:1px #ccc solid;padding-left:1ex;">
          <div bgcolor="white" link="blue" vlink="purple" lang="EN-US">
            <div>
              <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">Also
                  if you can please post your menu.lst or grub.cfg from
                  the domU.</span></p>
              <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">&nbsp;</span></p>
              <div>
                <div style="border:none;border-top:solid #b5c4df
                  1.0pt;padding:3.0pt 0in 0in 0in">
                  <p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:windowtext">From:</span></b><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:windowtext">
                      <a moz-do-not-send="true"
                        href="mailto:xen-users-bounces@lists.xensource.com"
                        target="_blank">xen-users-bounces@lists.xensource.com</a>
                      [mailto:<a moz-do-not-send="true"
                        href="mailto:xen-users-bounces@lists.xensource.com"
                        target="_blank">xen-users-bounces@lists.xensource.com</a>]
                      <b>On Behalf Of </b>George Shuklin<br>
                      <b>Sent:</b> Wednesday, December 07, 2011 7:02 AM<br>
                      <b>To:</b> <a moz-do-not-send="true"
                        href="mailto:xen-users@lists.xensource.com"
                        target="_blank">xen-users@lists.xensource.com</a><br>
                      <b>Subject:</b> Re: [Xen-users] DomU pygrub issue
                      - OSS Xen to XCP</span></p>
                </div>
              </div>
              <div>
                <div class="h5">
                  <p class="MsoNormal">&nbsp;</p>
                  <p class="MsoNormal">Post all PV&nbsp; fields of VM (xe
                    vm-list params and copypaste all fields with PV in
                    name). Looks like you having bad settings for
                    PV-bootloader(-args).<br>
                    <br>
                    On 07.12.2011 11:35, Johnny Tao wrote: </p>
                  <p class="MsoNormal">Hi, All </p>
                  <div>
                    <p class="MsoNormal">&nbsp;</p>
                  </div>
                  <div>
                    <p class="MsoNormal">I'm just new to this list, I'm
                      started to dealing with OSS Xen to XCP migration
                      earlier this week, seem the domUs installed via
                      virt-install are function well,</p>
                  </div>
                  <div>
                    <p class="MsoNormal">but domUs copied via dom0 are
                      failed during bootup process, finally I&nbsp;<span><span
style="font-size:9.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">realize
                          if I could fix this on my OSS Xen will resolve
                          all.&nbsp;</span></span></p>
                  </div>
                  <div>
                    <div>
                      <div>
                        <p class="MsoNormal"><span
                            style="font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">Can
                            I have any suggestion from you please ?</span></p>
                      </div>
                    </div>
                    <div>
                      <p class="MsoNormal"><span
                          style="font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">&nbsp;</span></p>
                    </div>
                  </div>
                  <div>
                    <p class="MsoNormal">&nbsp;</p>
                  </div>
                  <div>
                    <p class="MsoNormal"><b>Details</b></p>
                  </div>
                  <div>
                    <p class="MsoNormal">&nbsp;</p>
                  </div>
                  <div>
                    <p class="MsoNormal"><u>Source XenHost</u></p>
                  </div>
                  <div>
                    <p class="MsoNormal">OS: CentOS 5.7 64Bit</p>
                  </div>
                  <div>
                    <p class="MsoNormal">XEN:&nbsp;xen-3.0.3-132.el5</p>
                  </div>
                  <div>
                    <p class="MsoNormal">&nbsp;</p>
                  </div>
                  <div>
                    <p class="MsoNormal"><u>Target XenHost</u></p>
                  </div>
                  <div>
                    <p class="MsoNormal">OS: XCP 1.1</p>
                  </div>
                  <div>
                    <p class="MsoNormal">XEN:&nbsp;xen-hypervisor-3.4.2-1.1.0.704.20055</p>
                  </div>
                  <div>
                    <p class="MsoNormal">&nbsp;</p>
                  </div>
                  <div>
                    <p class="MsoNormal"><b>Error Msg</b></p>
                  </div>
                  <div>
                    <p class="MsoNormal">&nbsp;</p>
                  </div>
                  <div>
                    <div>
                      <p class="MsoNormal">Traceback (most recent call
                        last):</p>
                    </div>
                    <div>
                      <p class="MsoNormal">&nbsp; File "/usr/bin/pygrub",
                        line 693, in ?</p>
                    </div>
                    <div>
                      <p class="MsoNormal">&nbsp; &nbsp; data =
                        fs.open_file(chosencfg["kernel"]).read()</p>
                    </div>
                    <div>
                      <p class="MsoNormal">IOError: [Errno 2] No such
                        file or directory</p>
                    </div>
                  </div>
                  <div>
                    <p class="MsoNormal">&nbsp;</p>
                  </div>
                  <div>
                    <p class="MsoNormal">Thanks&nbsp;</p>
                  </div>
                  <div>
                    <p class="MsoNormal">&nbsp;</p>
                  </div>
                  <div>
                    <p class="MsoNormal">-Johnny</p>
                  </div>
                  <div>
                    <p class="MsoNormal">&nbsp;</p>
                  </div>
                  <div>
                    <p class="MsoNormal">&nbsp;</p>
                  </div>
                  <div>
                    <p class="MsoNormal">&nbsp;</p>
                  </div>
                  <div>
                    <p class="MsoNormal">&nbsp;</p>
                  </div>
                  <p class="MsoNormal"><br>
                    <br>
                    <br>
                  </p>
                  <pre>_______________________________________________</pre>
                  <pre>Xen-users mailing list</pre>
                  <pre><a moz-do-not-send="true" href="mailto:Xen-users@lists.xensource.com" target="_blank">Xen-users@lists.xensource.com</a></pre>
                  <pre><a moz-do-not-send="true" href="http://lists.xensource.com/xen-users" target="_blank">http://lists.xensource.com/xen-users</a></pre>
                  <p class="MsoNormal">&nbsp;</p>
                </div>
              </div>
            </div>
          </div>
          <br>
          _______________________________________________<br>
          Xen-users mailing list<br>
          <a moz-do-not-send="true"
            href="mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.com</a><br>
          <a moz-do-not-send="true"
            href="http://lists.xensource.com/xen-users" target="_blank">http://lists.xensource.com/xen-users</a><br>
        </blockquote>
      </div>
      <br>
    </blockquote>
    <br>
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Date: Thu, 8 Dec 2011 11:33:27 +0800
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From: Johnny Tao <johnnybeijing@gmail.com>
To: George Shuklin <george.shuklin@gmail.com>
Cc: "xen-users@lists.xensource.com" <xen-users@lists.xensource.com>
Subject: Re: [Xen-users] DomU pygrub issue - OSS Xen to XCP
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George

Thanks for quick response, have you successfully installed grub on such
kind of my domU and bootup into OS?

Seems it doesn't' work for me to install pygrub according to this wiki
http://wiki.xen.org/wiki/PyGrub

Any ideas?



On Thu, Dec 8, 2011 at 10:58 AM, George Shuklin <george.shuklin@gmail.com>wrote:

>  You have no bootloader and what how you expect virtual machine to boot?
>
> Chroot to domU filesystem, install grub. Or use
> PV-kernel/PV-ramdisk/PV-args variables to boot kernel from 'outside' domU
> (they must resides in /boot/guest of XCP dom0).
>
>
> On 08.12.2011 06:45, Johnny Tao wrote:
>
> George & Joseph
>
> Thanks for your response , since this domU copied from dom0 and has no a
> grub on it, although I give other try to installed kernel-xen and grub
> manually on OSS  Xen Host, which still being stuck to start up.Do I need
> fix the grub installation first on OSS Xen Host and then start migration ?
>
> With many thanks
>
> Check info below reference
>
> *xm creatc -c /etc/xen/demo - OSS Xen Host*
>
> Traceback (most recent call last):
>   File "/usr/bin/pygrub", line 693, in ?
>     data = fs.open_file(chosencfg["kernel"]).read()
> IOError: [Errno 2] No such file or directory
> No handlers could be found for logger "xend"
> Error: Boot loader didn't return any data!
> Usage: xm create <ConfigFile> [options] [vars]
>
> *xe vm-list params  - XCP Xen Host*
>
> uuid ( RO)                          : 47dc79b3-e763-8712-8769-49bbbf9dc7ec
>                     name-label ( RW): demo_old
>               name-description ( RW):
>                   user-version ( RW): 1
>                  is-a-template ( RW): false
>                  is-a-snapshot ( RO): false
>                    snapshot-of ( RO): <not in database>
>                      snapshots ( RO):
>                  snapshot-time ( RO): 19700101T00:00:00Z
>                  snapshot-info ( RO):
>                         parent ( RO): <not in database>
>                       children ( RO):
>              is-control-domain ( RO): false
>                    power-state ( RO): halted
>                  memory-actual ( RO): 0
>                  memory-target ( RO): <expensive field>
>                memory-overhead ( RO): 4194304
>              memory-static-max ( RW): 268435456
>             memory-dynamic-max ( RW): 268435456
>             memory-dynamic-min ( RW): 268435456
>              memory-static-min ( RW): 16777216
>               suspend-VDI-uuid ( RO): <not in database>
>                   VCPUs-params (MRW):
>                      VCPUs-max ( RW): 1
>               VCPUs-at-startup ( RW): 1
>         actions-after-shutdown ( RW): Destroy
>           actions-after-reboot ( RW): Restart
>            actions-after-crash ( RW): Restart
>                  console-uuids (SRO):
>                       platform (MRW): nx: false; acpi: true; apic: true;
> pae: true; viridian: true
>             allowed-operations (SRO): changing_dynamic_range;
> changing_static_range; make_into_template; destroy; export; start_on;
> start; clone; copy; snapshot
>             current-operations (SRO):
>             blocked-operations (MRW):
>            allowed-VBD-devices (SRO): <expensive field>
>            allowed-VIF-devices (SRO): <expensive field>
>                 possible-hosts ( RO): <expensive field>
>                HVM-boot-policy ( RW):
>                HVM-boot-params (MRW): order:
>          HVM-shadow-multiplier ( RW): 1.000
>                      PV-kernel ( RW):
>                     PV-ramdisk ( RW):
>                        PV-args ( RW):
>                 PV-legacy-args ( RW):
>                  PV-bootloader ( RW): pygrub
>             PV-bootloader-args ( RW):
>            last-boot-CPU-flags ( RO):
>               last-boot-record ( RO): <expensive field>
>                    resident-on ( RO): <not in database>
>                       affinity ( RW): 288977fd-1836-475a-9109-7f2e68ccae1e
>                   other-config (MRW): import_task:
> OpaqueRef:495fd90f-8b8a-96b8-ca22-5c9ff4d427b8; mac_seed:
> 709328f5-aca8-3c87-bb3b-de81d2aab3d5; install-methods: cdrom
>                         dom-id ( RO): -1
>                recommendations ( RO): <restrictions><restriction
> field="memory-static-max" max="34359738368" /><restriction
> field="vcpus-max" max="8" /><restriction property="number-of-vbds" max="7"
> /><restriction property="number-of-vifs" max="7" /></restrictions>
>                  xenstore-data (MRW):
>                  ha-always-run ( RW): false
>            ha-restart-priority ( RW):
>                          blobs ( RO):
>                     start-time ( RO): 19700101T00:00:00Z
>                   install-time ( RO): 19700101T00:00:00Z
>                   VCPUs-number ( RO): 0
>              VCPUs-utilisation (MRO): <expensive field>
>                     os-version (MRO): <not in database>
>             PV-drivers-version (MRO): <not in database>
>          PV-drivers-up-to-date ( RO): <not in database>
>                         memory (MRO): <not in database>
>                          disks (MRO): <not in database>
>                       networks (MRO): <not in database>
>                          other (MRO): <not in database>
>                           live ( RO): <not in database>
>     guest-metrics-last-updated ( RO): <not in database>
>                    cooperative ( RO): <expensive field>
>              protection-policy ( RW): <not in database>
>          is-snapshot-from-vmpp ( RO): false
>                           tags (SRW):
>
> On Thu, Dec 8, 2011 at 1:16 AM, Joseph Hom <jhom@softlayer.com> wrote:
>
>>  Also if you can please post your menu.lst or grub.cfg from the domU.
>>
>>
>>
>> *From:* xen-users-bounces@lists.xensource.com [mailto:
>> xen-users-bounces@lists.xensource.com] *On Behalf Of *George Shuklin
>> *Sent:* Wednesday, December 07, 2011 7:02 AM
>> *To:* xen-users@lists.xensource.com
>> *Subject:* Re: [Xen-users] DomU pygrub issue - OSS Xen to XCP
>>
>>
>>
>> Post all PV  fields of VM (xe vm-list params and copypaste all fields
>> with PV in name). Looks like you having bad settings for
>> PV-bootloader(-args).
>>
>> On 07.12.2011 11:35, Johnny Tao wrote:
>>
>> Hi, All
>>
>>
>>
>> I'm just new to this list, I'm started to dealing with OSS Xen to XCP
>> migration earlier this week, seem the domUs installed via virt-install are
>> function well,
>>
>> but domUs copied via dom0 are failed during bootup process, finally I realize
>> if I could fix this on my OSS Xen will resolve all.
>>
>> Can I have any suggestion from you please ?
>>
>>
>>
>>
>>
>> *Details*
>>
>>
>>
>> *Source XenHost*
>>
>> OS: CentOS 5.7 64Bit
>>
>> XEN: xen-3.0.3-132.el5
>>
>>
>>
>> *Target XenHost*
>>
>> OS: XCP 1.1
>>
>> XEN: xen-hypervisor-3.4.2-1.1.0.704.20055
>>
>>
>>
>> *Error Msg*
>>
>>
>>
>> Traceback (most recent call last):
>>
>>   File "/usr/bin/pygrub", line 693, in ?
>>
>>     data = fs.open_file(chosencfg["kernel"]).read()
>>
>> IOError: [Errno 2] No such file or directory
>>
>>
>>
>> Thanks
>>
>>
>>
>> -Johnny
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>  _______________________________________________
>>
>> Xen-users mailing list
>>
>> Xen-users@lists.xensource.com
>>
>> http://lists.xensource.com/xen-users
>>
>>
>>
>> _______________________________________________
>> Xen-users mailing list
>> Xen-users@lists.xensource.com
>> http://lists.xensource.com/xen-users
>>
>
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>

--20cf307d0482e0f32104b38c54e2
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

George<br><br>Thanks for quick response, have you successfully installed gr=
ub on such kind of my domU and bootup into OS?<br><br>Seems it doesn&#39;t&=
#39; work for me to install pygrub according to this wiki<br><a href=3D"htt=
p://wiki.xen.org/wiki/PyGrub">http://wiki.xen.org/wiki/PyGrub</a><br>
<br>Any ideas?<br><br><br><br><div class=3D"gmail_quote">On Thu, Dec 8, 201=
1 at 10:58 AM, George Shuklin <span dir=3D"ltr">&lt;<a href=3D"mailto:georg=
e.shuklin@gmail.com">george.shuklin@gmail.com</a>&gt;</span> wrote:<br><blo=
ckquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #c=
cc solid;padding-left:1ex;">

 =20
   =20
 =20
  <div text=3D"#000000" bgcolor=3D"#FFFFFF">
    You have no bootloader and what how you expect virtual machine to
    boot?<br>
    <br>
    Chroot to domU filesystem, install grub. Or use
    PV-kernel/PV-ramdisk/PV-args variables to boot kernel from &#39;outside=
&#39;
    domU (they must resides in /boot/guest of XCP dom0).<div><div class=3D"=
h5"><br>
    <br>
    On 08.12.2011 06:45, Johnny Tao wrote:
    <blockquote type=3D"cite">George &amp; Joseph <br>
      <br>
      Thanks for your response , since this domU copied from dom0 and
      has no a grub on it, although I give other try to installed
      kernel-xen and grub manually on OSS=A0 Xen Host, which still being
      stuck to start up.Do I need fix the grub installation first on OSS
      Xen Host and then start migration ?<br>
      <br>
      With many thanks <br>
      <br>
      Check info below reference <br>
      <br>
      <b><i>xm creatc -c /etc/xen/demo - OSS Xen Host</i></b><br>
      <br>
      Traceback (most recent call last):<br>
      =A0 File &quot;/usr/bin/pygrub&quot;, line 693, in ?<br>
      =A0=A0=A0 data =3D fs.open_file(chosencfg[&quot;kernel&quot;]).read()=
<br>
      IOError: [Errno 2] No such file or directory<br>
      No handlers could be found for logger &quot;xend&quot;<br>
      Error: Boot loader didn&#39;t return any data!<br>
      Usage: xm create &lt;ConfigFile&gt; [options] [vars]<br>
      <br>
      <b><i>xe vm-list params=A0 - XCP Xen Host</i></b><br>
      <br>
      uuid ( RO)=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0 :
      47dc79b3-e763-8712-8769-49bbbf9dc7ec<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 name-label =
( RW): demo_old<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 name-description ( RW): <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 user-version ( RW=
): 1<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 is-a-template ( RW):=
 false<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 is-a-snapshot ( RO):=
 false<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 snapshot-of ( =
RO): &lt;not in database&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 snapshot=
s ( RO): <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 snapshot-time ( RO):=
 19700101T00:00:00Z<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 snapshot-info ( RO):=
 <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
 parent ( RO): &lt;not in database&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 child=
ren ( RO): <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 is-control-domain ( RO): false<b=
r>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 power-state ( =
RO): halted<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 memory-actual ( RO):=
 0<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 memory-target ( RO):=
 &lt;expensive field&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 memory-overhead ( RO): 419=
4304<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 memory-static-max ( RW): 2684354=
56<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 memory-dynamic-max ( RW): 268435456=
<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 memory-dynamic-min ( RW): 268435456=
<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 memory-static-min ( RW): 1677721=
6<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 suspend-VDI-uuid ( RO): &lt;n=
ot in database&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 VCPUs-params (MRW=
): <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 VCPUs-ma=
x ( RW): 1<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 VCPUs-at-startup ( RW): 1<br>
      =A0=A0=A0=A0=A0=A0=A0 actions-after-shutdown ( RW): Destroy<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0 actions-after-reboot ( RW): Restart<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 actions-after-crash ( RW): Restart<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 console-uuids (SRO):=
 <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 platf=
orm (MRW): nx: false; acpi: true; apic:
      true; pae: true; viridian: true<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 allowed-operations (SRO): changing_=
dynamic_range;
      changing_static_range; make_into_template; destroy; export;
      start_on; start; clone; copy; snapshot<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 current-operations (SRO): <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 blocked-operations (MRW): <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 allowed-VBD-devices (SRO): &lt;expensi=
ve field&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 allowed-VIF-devices (SRO): &lt;expensi=
ve field&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 possible-hosts ( RO): &=
lt;expensive field&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 HVM-boot-policy ( RW): <br=
>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 HVM-boot-params (MRW): ord=
er: <br>
      =A0=A0=A0=A0=A0=A0=A0=A0 HVM-shadow-multiplier ( RW): 1.000<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PV-kerne=
l ( RW): <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PV-ramdisk =
( RW): <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PV=
-args ( RW): <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PV-legacy-args ( RW): <=
br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PV-bootloader ( RW):=
 pygrub<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PV-bootloader-args ( RW): <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 last-boot-CPU-flags ( RO): <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 last-boot-record ( RO): &lt;e=
xpensive field&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 resident-on ( =
RO): &lt;not in database&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 affin=
ity ( RW):
      288977fd-1836-475a-9109-7f2e68ccae1e<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 other-config (MRW=
): import_task:
      OpaqueRef:495fd90f-8b8a-96b8-ca22-5c9ff4d427b8; mac_seed:
      709328f5-aca8-3c87-bb3b-de81d2aab3d5; install-methods: cdrom<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
 dom-id ( RO): -1<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 recommendations ( RO):
      &lt;restrictions&gt;&lt;restriction field=3D&quot;memory-static-max&q=
uot;
      max=3D&quot;34359738368&quot; /&gt;&lt;restriction field=3D&quot;vcpu=
s-max&quot; max=3D&quot;8&quot;
      /&gt;&lt;restriction property=3D&quot;number-of-vbds&quot; max=3D&quo=
t;7&quot;
      /&gt;&lt;restriction property=3D&quot;number-of-vifs&quot; max=3D&quo=
t;7&quot;
      /&gt;&lt;/restrictions&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 xenstore-data (MRW):=
 <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 ha-always-run ( RW):=
 false<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 ha-restart-priority ( RW): <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0 blobs ( RO): <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 start-time =
( RO): 19700101T00:00:00Z<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 install-time ( RO=
): 19700101T00:00:00Z<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 VCPUs-number ( RO=
): 0<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 VCPUs-utilisation (MRO): &lt;exp=
ensive field&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 os-version =
(MRO): &lt;not in database&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PV-drivers-version (MRO): &lt;not i=
n database&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0 PV-drivers-up-to-date ( RO): &lt;not in data=
base&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
 memory (MRO): &lt;not in database&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0 disks (MRO): &lt;not in database&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 netwo=
rks (MRO): &lt;not in database&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0 other (MRO): &lt;not in database&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0 live ( RO): &lt;not in database&gt;<br>
      =A0=A0=A0 guest-metrics-last-updated ( RO): &lt;not in database&gt;<b=
r>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 cooperative ( =
RO): &lt;expensive field&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 protection-policy ( RW): &lt;not=
 in database&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0 is-snapshot-from-vmpp ( RO): false<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0 tags (SRW): <br>
      <br>
      <div class=3D"gmail_quote">On Thu, Dec 8, 2011 at 1:16 AM, Joseph
        Hom <span dir=3D"ltr">&lt;<a href=3D"mailto:jhom@softlayer.com" tar=
get=3D"_blank">jhom@softlayer.com</a>&gt;</span>
        wrote:<br>
        <blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border=
-left:1px #ccc solid;padding-left:1ex">
          <div bgcolor=3D"white" link=3D"blue" vlink=3D"purple" lang=3D"EN-=
US">
            <div>
              <p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-f=
amily:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">Also
                  if you can please post your menu.lst or grub.cfg from
                  the domU.</span></p>
              <p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-f=
amily:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">=A0</span><=
/p>
              <div>
                <div style=3D"border:none;border-top:solid #b5c4df 1.0pt;pa=
dding:3.0pt 0in 0in 0in">
                  <p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt=
;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:windowtext">Fr=
om:</span></b><span style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot=
;,&quot;sans-serif&quot;;color:windowtext">
                      <a href=3D"mailto:xen-users-bounces@lists.xensource.c=
om" target=3D"_blank">xen-users-bounces@lists.xensource.com</a>
                      [mailto:<a href=3D"mailto:xen-users-bounces@lists.xen=
source.com" target=3D"_blank">xen-users-bounces@lists.xensource.com</a>]
                      <b>On Behalf Of </b>George Shuklin<br>
                      <b>Sent:</b> Wednesday, December 07, 2011 7:02 AM<br>
                      <b>To:</b> <a href=3D"mailto:xen-users@lists.xensourc=
e.com" target=3D"_blank">xen-users@lists.xensource.com</a><br>
                      <b>Subject:</b> Re: [Xen-users] DomU pygrub issue
                      - OSS Xen to XCP</span></p>
                </div>
              </div>
              <div>
                <div>
                  <p class=3D"MsoNormal">=A0</p>
                  <p class=3D"MsoNormal">Post all PV=A0 fields of VM (xe
                    vm-list params and copypaste all fields with PV in
                    name). Looks like you having bad settings for
                    PV-bootloader(-args).<br>
                    <br>
                    On 07.12.2011 11:35, Johnny Tao wrote: </p>
                  <p class=3D"MsoNormal">Hi, All </p>
                  <div>
                    <p class=3D"MsoNormal">=A0</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">I&#39;m just new to this list, I=
&#39;m
                      started to dealing with OSS Xen to XCP migration
                      earlier this week, seem the domUs installed via
                      virt-install are function well,</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">but domUs copied via dom0 are
                      failed during bootup process, finally I=A0<span><span=
 style=3D"font-size:9.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&qu=
ot;">realize
                          if I could fix this on my OSS Xen will resolve
                          all.=A0</span></span></p>
                  </div>
                  <div>
                    <div>
                      <div>
                        <p class=3D"MsoNormal"><span style=3D"font-family:&=
quot;Arial&quot;,&quot;sans-serif&quot;">Can
                            I have any suggestion from you please ?</span><=
/p>
                      </div>
                    </div>
                    <div>
                      <p class=3D"MsoNormal"><span style=3D"font-family:&qu=
ot;Arial&quot;,&quot;sans-serif&quot;">=A0</span></p>
                    </div>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">=A0</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal"><b>Details</b></p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">=A0</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal"><u>Source XenHost</u></p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">OS: CentOS 5.7 64Bit</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">XEN:=A0xen-3.0.3-132.el5</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">=A0</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal"><u>Target XenHost</u></p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">OS: XCP 1.1</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">XEN:=A0xen-hypervisor-3.4.2-1.1.=
0.704.20055</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">=A0</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal"><b>Error Msg</b></p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">=A0</p>
                  </div>
                  <div>
                    <div>
                      <p class=3D"MsoNormal">Traceback (most recent call
                        last):</p>
                    </div>
                    <div>
                      <p class=3D"MsoNormal">=A0 File &quot;/usr/bin/pygrub=
&quot;,
                        line 693, in ?</p>
                    </div>
                    <div>
                      <p class=3D"MsoNormal">=A0 =A0 data =3D
                        fs.open_file(chosencfg[&quot;kernel&quot;]).read()<=
/p>
                    </div>
                    <div>
                      <p class=3D"MsoNormal">IOError: [Errno 2] No such
                        file or directory</p>
                    </div>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">=A0</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">Thanks=A0</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">=A0</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">-Johnny</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">=A0</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">=A0</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">=A0</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">=A0</p>
                  </div>
                  <p class=3D"MsoNormal"><br>
                    <br>
                    <br>
                  </p>
                  <pre>_______________________________________________</pre=
>
                  <pre>Xen-users mailing list</pre>
                  <pre><a href=3D"mailto:Xen-users@lists.xensource.com" tar=
get=3D"_blank">Xen-users@lists.xensource.com</a></pre>
                  <pre><a href=3D"http://lists.xensource.com/xen-users" tar=
get=3D"_blank">http://lists.xensource.com/xen-users</a></pre>
                  <p class=3D"MsoNormal">=A0</p>
                </div>
              </div>
            </div>
          </div>
          <br>
          _______________________________________________<br>
          Xen-users mailing list<br>
          <a href=3D"mailto:Xen-users@lists.xensource.com" target=3D"_blank=
">Xen-users@lists.xensource.com</a><br>
          <a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank=
">http://lists.xensource.com/xen-users</a><br>
        </blockquote>
      </div>
      <br>
    </blockquote>
    <br>
  </div></div></div>

<br>_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.=
com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br></blockquote></div><br>

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From: Johnny Tao <johnnybeijing@gmail.com>
To: George Shuklin <george.shuklin@gmail.com>
Cc: "xen-users@lists.xensource.com" <xen-users@lists.xensource.com>
Subject: Re: [Xen-users] DomU pygrub issue - OSS Xen to XCP
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George

Thanks for quick response, have you successfully installed grub on such
kind of my domU and bootup into OS?

Seems it doesn't' work for me to install pygrub according to this wiki
http://wiki.xen.org/wiki/PyGrub

Any ideas?



On Thu, Dec 8, 2011 at 10:58 AM, George Shuklin <george.shuklin@gmail.com>wrote:

>  You have no bootloader and what how you expect virtual machine to boot?
>
> Chroot to domU filesystem, install grub. Or use
> PV-kernel/PV-ramdisk/PV-args variables to boot kernel from 'outside' domU
> (they must resides in /boot/guest of XCP dom0).
>
>
> On 08.12.2011 06:45, Johnny Tao wrote:
>
> George & Joseph
>
> Thanks for your response , since this domU copied from dom0 and has no a
> grub on it, although I give other try to installed kernel-xen and grub
> manually on OSS  Xen Host, which still being stuck to start up.Do I need
> fix the grub installation first on OSS Xen Host and then start migration ?
>
> With many thanks
>
> Check info below reference
>
> *xm creatc -c /etc/xen/demo - OSS Xen Host*
>
> Traceback (most recent call last):
>   File "/usr/bin/pygrub", line 693, in ?
>     data = fs.open_file(chosencfg["kernel"]).read()
> IOError: [Errno 2] No such file or directory
> No handlers could be found for logger "xend"
> Error: Boot loader didn't return any data!
> Usage: xm create <ConfigFile> [options] [vars]
>
> *xe vm-list params  - XCP Xen Host*
>
> uuid ( RO)                          : 47dc79b3-e763-8712-8769-49bbbf9dc7ec
>                     name-label ( RW): demo_old
>               name-description ( RW):
>                   user-version ( RW): 1
>                  is-a-template ( RW): false
>                  is-a-snapshot ( RO): false
>                    snapshot-of ( RO): <not in database>
>                      snapshots ( RO):
>                  snapshot-time ( RO): 19700101T00:00:00Z
>                  snapshot-info ( RO):
>                         parent ( RO): <not in database>
>                       children ( RO):
>              is-control-domain ( RO): false
>                    power-state ( RO): halted
>                  memory-actual ( RO): 0
>                  memory-target ( RO): <expensive field>
>                memory-overhead ( RO): 4194304
>              memory-static-max ( RW): 268435456
>             memory-dynamic-max ( RW): 268435456
>             memory-dynamic-min ( RW): 268435456
>              memory-static-min ( RW): 16777216
>               suspend-VDI-uuid ( RO): <not in database>
>                   VCPUs-params (MRW):
>                      VCPUs-max ( RW): 1
>               VCPUs-at-startup ( RW): 1
>         actions-after-shutdown ( RW): Destroy
>           actions-after-reboot ( RW): Restart
>            actions-after-crash ( RW): Restart
>                  console-uuids (SRO):
>                       platform (MRW): nx: false; acpi: true; apic: true;
> pae: true; viridian: true
>             allowed-operations (SRO): changing_dynamic_range;
> changing_static_range; make_into_template; destroy; export; start_on;
> start; clone; copy; snapshot
>             current-operations (SRO):
>             blocked-operations (MRW):
>            allowed-VBD-devices (SRO): <expensive field>
>            allowed-VIF-devices (SRO): <expensive field>
>                 possible-hosts ( RO): <expensive field>
>                HVM-boot-policy ( RW):
>                HVM-boot-params (MRW): order:
>          HVM-shadow-multiplier ( RW): 1.000
>                      PV-kernel ( RW):
>                     PV-ramdisk ( RW):
>                        PV-args ( RW):
>                 PV-legacy-args ( RW):
>                  PV-bootloader ( RW): pygrub
>             PV-bootloader-args ( RW):
>            last-boot-CPU-flags ( RO):
>               last-boot-record ( RO): <expensive field>
>                    resident-on ( RO): <not in database>
>                       affinity ( RW): 288977fd-1836-475a-9109-7f2e68ccae1e
>                   other-config (MRW): import_task:
> OpaqueRef:495fd90f-8b8a-96b8-ca22-5c9ff4d427b8; mac_seed:
> 709328f5-aca8-3c87-bb3b-de81d2aab3d5; install-methods: cdrom
>                         dom-id ( RO): -1
>                recommendations ( RO): <restrictions><restriction
> field="memory-static-max" max="34359738368" /><restriction
> field="vcpus-max" max="8" /><restriction property="number-of-vbds" max="7"
> /><restriction property="number-of-vifs" max="7" /></restrictions>
>                  xenstore-data (MRW):
>                  ha-always-run ( RW): false
>            ha-restart-priority ( RW):
>                          blobs ( RO):
>                     start-time ( RO): 19700101T00:00:00Z
>                   install-time ( RO): 19700101T00:00:00Z
>                   VCPUs-number ( RO): 0
>              VCPUs-utilisation (MRO): <expensive field>
>                     os-version (MRO): <not in database>
>             PV-drivers-version (MRO): <not in database>
>          PV-drivers-up-to-date ( RO): <not in database>
>                         memory (MRO): <not in database>
>                          disks (MRO): <not in database>
>                       networks (MRO): <not in database>
>                          other (MRO): <not in database>
>                           live ( RO): <not in database>
>     guest-metrics-last-updated ( RO): <not in database>
>                    cooperative ( RO): <expensive field>
>              protection-policy ( RW): <not in database>
>          is-snapshot-from-vmpp ( RO): false
>                           tags (SRW):
>
> On Thu, Dec 8, 2011 at 1:16 AM, Joseph Hom <jhom@softlayer.com> wrote:
>
>>  Also if you can please post your menu.lst or grub.cfg from the domU.
>>
>>
>>
>> *From:* xen-users-bounces@lists.xensource.com [mailto:
>> xen-users-bounces@lists.xensource.com] *On Behalf Of *George Shuklin
>> *Sent:* Wednesday, December 07, 2011 7:02 AM
>> *To:* xen-users@lists.xensource.com
>> *Subject:* Re: [Xen-users] DomU pygrub issue - OSS Xen to XCP
>>
>>
>>
>> Post all PV  fields of VM (xe vm-list params and copypaste all fields
>> with PV in name). Looks like you having bad settings for
>> PV-bootloader(-args).
>>
>> On 07.12.2011 11:35, Johnny Tao wrote:
>>
>> Hi, All
>>
>>
>>
>> I'm just new to this list, I'm started to dealing with OSS Xen to XCP
>> migration earlier this week, seem the domUs installed via virt-install are
>> function well,
>>
>> but domUs copied via dom0 are failed during bootup process, finally I realize
>> if I could fix this on my OSS Xen will resolve all.
>>
>> Can I have any suggestion from you please ?
>>
>>
>>
>>
>>
>> *Details*
>>
>>
>>
>> *Source XenHost*
>>
>> OS: CentOS 5.7 64Bit
>>
>> XEN: xen-3.0.3-132.el5
>>
>>
>>
>> *Target XenHost*
>>
>> OS: XCP 1.1
>>
>> XEN: xen-hypervisor-3.4.2-1.1.0.704.20055
>>
>>
>>
>> *Error Msg*
>>
>>
>>
>> Traceback (most recent call last):
>>
>>   File "/usr/bin/pygrub", line 693, in ?
>>
>>     data = fs.open_file(chosencfg["kernel"]).read()
>>
>> IOError: [Errno 2] No such file or directory
>>
>>
>>
>> Thanks
>>
>>
>>
>> -Johnny
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>  _______________________________________________
>>
>> Xen-users mailing list
>>
>> Xen-users@lists.xensource.com
>>
>> http://lists.xensource.com/xen-users
>>
>>
>>
>> _______________________________________________
>> Xen-users mailing list
>> Xen-users@lists.xensource.com
>> http://lists.xensource.com/xen-users
>>
>
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>

--20cf307d0482e0f32104b38c54e2
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

George<br><br>Thanks for quick response, have you successfully installed gr=
ub on such kind of my domU and bootup into OS?<br><br>Seems it doesn&#39;t&=
#39; work for me to install pygrub according to this wiki<br><a href=3D"htt=
p://wiki.xen.org/wiki/PyGrub">http://wiki.xen.org/wiki/PyGrub</a><br>
<br>Any ideas?<br><br><br><br><div class=3D"gmail_quote">On Thu, Dec 8, 201=
1 at 10:58 AM, George Shuklin <span dir=3D"ltr">&lt;<a href=3D"mailto:georg=
e.shuklin@gmail.com">george.shuklin@gmail.com</a>&gt;</span> wrote:<br><blo=
ckquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #c=
cc solid;padding-left:1ex;">

 =20
   =20
 =20
  <div text=3D"#000000" bgcolor=3D"#FFFFFF">
    You have no bootloader and what how you expect virtual machine to
    boot?<br>
    <br>
    Chroot to domU filesystem, install grub. Or use
    PV-kernel/PV-ramdisk/PV-args variables to boot kernel from &#39;outside=
&#39;
    domU (they must resides in /boot/guest of XCP dom0).<div><div class=3D"=
h5"><br>
    <br>
    On 08.12.2011 06:45, Johnny Tao wrote:
    <blockquote type=3D"cite">George &amp; Joseph <br>
      <br>
      Thanks for your response , since this domU copied from dom0 and
      has no a grub on it, although I give other try to installed
      kernel-xen and grub manually on OSS=A0 Xen Host, which still being
      stuck to start up.Do I need fix the grub installation first on OSS
      Xen Host and then start migration ?<br>
      <br>
      With many thanks <br>
      <br>
      Check info below reference <br>
      <br>
      <b><i>xm creatc -c /etc/xen/demo - OSS Xen Host</i></b><br>
      <br>
      Traceback (most recent call last):<br>
      =A0 File &quot;/usr/bin/pygrub&quot;, line 693, in ?<br>
      =A0=A0=A0 data =3D fs.open_file(chosencfg[&quot;kernel&quot;]).read()=
<br>
      IOError: [Errno 2] No such file or directory<br>
      No handlers could be found for logger &quot;xend&quot;<br>
      Error: Boot loader didn&#39;t return any data!<br>
      Usage: xm create &lt;ConfigFile&gt; [options] [vars]<br>
      <br>
      <b><i>xe vm-list params=A0 - XCP Xen Host</i></b><br>
      <br>
      uuid ( RO)=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0 :
      47dc79b3-e763-8712-8769-49bbbf9dc7ec<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 name-label =
( RW): demo_old<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 name-description ( RW): <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 user-version ( RW=
): 1<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 is-a-template ( RW):=
 false<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 is-a-snapshot ( RO):=
 false<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 snapshot-of ( =
RO): &lt;not in database&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 snapshot=
s ( RO): <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 snapshot-time ( RO):=
 19700101T00:00:00Z<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 snapshot-info ( RO):=
 <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
 parent ( RO): &lt;not in database&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 child=
ren ( RO): <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 is-control-domain ( RO): false<b=
r>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 power-state ( =
RO): halted<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 memory-actual ( RO):=
 0<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 memory-target ( RO):=
 &lt;expensive field&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 memory-overhead ( RO): 419=
4304<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 memory-static-max ( RW): 2684354=
56<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 memory-dynamic-max ( RW): 268435456=
<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 memory-dynamic-min ( RW): 268435456=
<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 memory-static-min ( RW): 1677721=
6<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 suspend-VDI-uuid ( RO): &lt;n=
ot in database&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 VCPUs-params (MRW=
): <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 VCPUs-ma=
x ( RW): 1<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 VCPUs-at-startup ( RW): 1<br>
      =A0=A0=A0=A0=A0=A0=A0 actions-after-shutdown ( RW): Destroy<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0 actions-after-reboot ( RW): Restart<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 actions-after-crash ( RW): Restart<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 console-uuids (SRO):=
 <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 platf=
orm (MRW): nx: false; acpi: true; apic:
      true; pae: true; viridian: true<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 allowed-operations (SRO): changing_=
dynamic_range;
      changing_static_range; make_into_template; destroy; export;
      start_on; start; clone; copy; snapshot<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 current-operations (SRO): <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 blocked-operations (MRW): <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 allowed-VBD-devices (SRO): &lt;expensi=
ve field&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 allowed-VIF-devices (SRO): &lt;expensi=
ve field&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 possible-hosts ( RO): &=
lt;expensive field&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 HVM-boot-policy ( RW): <br=
>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 HVM-boot-params (MRW): ord=
er: <br>
      =A0=A0=A0=A0=A0=A0=A0=A0 HVM-shadow-multiplier ( RW): 1.000<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PV-kerne=
l ( RW): <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PV-ramdisk =
( RW): <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PV=
-args ( RW): <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PV-legacy-args ( RW): <=
br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PV-bootloader ( RW):=
 pygrub<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PV-bootloader-args ( RW): <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 last-boot-CPU-flags ( RO): <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 last-boot-record ( RO): &lt;e=
xpensive field&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 resident-on ( =
RO): &lt;not in database&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 affin=
ity ( RW):
      288977fd-1836-475a-9109-7f2e68ccae1e<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 other-config (MRW=
): import_task:
      OpaqueRef:495fd90f-8b8a-96b8-ca22-5c9ff4d427b8; mac_seed:
      709328f5-aca8-3c87-bb3b-de81d2aab3d5; install-methods: cdrom<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
 dom-id ( RO): -1<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 recommendations ( RO):
      &lt;restrictions&gt;&lt;restriction field=3D&quot;memory-static-max&q=
uot;
      max=3D&quot;34359738368&quot; /&gt;&lt;restriction field=3D&quot;vcpu=
s-max&quot; max=3D&quot;8&quot;
      /&gt;&lt;restriction property=3D&quot;number-of-vbds&quot; max=3D&quo=
t;7&quot;
      /&gt;&lt;restriction property=3D&quot;number-of-vifs&quot; max=3D&quo=
t;7&quot;
      /&gt;&lt;/restrictions&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 xenstore-data (MRW):=
 <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 ha-always-run ( RW):=
 false<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 ha-restart-priority ( RW): <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0 blobs ( RO): <br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 start-time =
( RO): 19700101T00:00:00Z<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 install-time ( RO=
): 19700101T00:00:00Z<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 VCPUs-number ( RO=
): 0<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 VCPUs-utilisation (MRO): &lt;exp=
ensive field&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 os-version =
(MRO): &lt;not in database&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 PV-drivers-version (MRO): &lt;not i=
n database&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0 PV-drivers-up-to-date ( RO): &lt;not in data=
base&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
 memory (MRO): &lt;not in database&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0 disks (MRO): &lt;not in database&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 netwo=
rks (MRO): &lt;not in database&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0 other (MRO): &lt;not in database&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0 live ( RO): &lt;not in database&gt;<br>
      =A0=A0=A0 guest-metrics-last-updated ( RO): &lt;not in database&gt;<b=
r>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 cooperative ( =
RO): &lt;expensive field&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 protection-policy ( RW): &lt;not=
 in database&gt;<br>
      =A0=A0=A0=A0=A0=A0=A0=A0 is-snapshot-from-vmpp ( RO): false<br>
      =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0 tags (SRW): <br>
      <br>
      <div class=3D"gmail_quote">On Thu, Dec 8, 2011 at 1:16 AM, Joseph
        Hom <span dir=3D"ltr">&lt;<a href=3D"mailto:jhom@softlayer.com" tar=
get=3D"_blank">jhom@softlayer.com</a>&gt;</span>
        wrote:<br>
        <blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border=
-left:1px #ccc solid;padding-left:1ex">
          <div bgcolor=3D"white" link=3D"blue" vlink=3D"purple" lang=3D"EN-=
US">
            <div>
              <p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-f=
amily:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">Also
                  if you can please post your menu.lst or grub.cfg from
                  the domU.</span></p>
              <p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-f=
amily:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">=A0</span><=
/p>
              <div>
                <div style=3D"border:none;border-top:solid #b5c4df 1.0pt;pa=
dding:3.0pt 0in 0in 0in">
                  <p class=3D"MsoNormal"><b><span style=3D"font-size:10.0pt=
;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:windowtext">Fr=
om:</span></b><span style=3D"font-size:10.0pt;font-family:&quot;Tahoma&quot=
;,&quot;sans-serif&quot;;color:windowtext">
                      <a href=3D"mailto:xen-users-bounces@lists.xensource.c=
om" target=3D"_blank">xen-users-bounces@lists.xensource.com</a>
                      [mailto:<a href=3D"mailto:xen-users-bounces@lists.xen=
source.com" target=3D"_blank">xen-users-bounces@lists.xensource.com</a>]
                      <b>On Behalf Of </b>George Shuklin<br>
                      <b>Sent:</b> Wednesday, December 07, 2011 7:02 AM<br>
                      <b>To:</b> <a href=3D"mailto:xen-users@lists.xensourc=
e.com" target=3D"_blank">xen-users@lists.xensource.com</a><br>
                      <b>Subject:</b> Re: [Xen-users] DomU pygrub issue
                      - OSS Xen to XCP</span></p>
                </div>
              </div>
              <div>
                <div>
                  <p class=3D"MsoNormal">=A0</p>
                  <p class=3D"MsoNormal">Post all PV=A0 fields of VM (xe
                    vm-list params and copypaste all fields with PV in
                    name). Looks like you having bad settings for
                    PV-bootloader(-args).<br>
                    <br>
                    On 07.12.2011 11:35, Johnny Tao wrote: </p>
                  <p class=3D"MsoNormal">Hi, All </p>
                  <div>
                    <p class=3D"MsoNormal">=A0</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">I&#39;m just new to this list, I=
&#39;m
                      started to dealing with OSS Xen to XCP migration
                      earlier this week, seem the domUs installed via
                      virt-install are function well,</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">but domUs copied via dom0 are
                      failed during bootup process, finally I=A0<span><span=
 style=3D"font-size:9.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&qu=
ot;">realize
                          if I could fix this on my OSS Xen will resolve
                          all.=A0</span></span></p>
                  </div>
                  <div>
                    <div>
                      <div>
                        <p class=3D"MsoNormal"><span style=3D"font-family:&=
quot;Arial&quot;,&quot;sans-serif&quot;">Can
                            I have any suggestion from you please ?</span><=
/p>
                      </div>
                    </div>
                    <div>
                      <p class=3D"MsoNormal"><span style=3D"font-family:&qu=
ot;Arial&quot;,&quot;sans-serif&quot;">=A0</span></p>
                    </div>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">=A0</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal"><b>Details</b></p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">=A0</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal"><u>Source XenHost</u></p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">OS: CentOS 5.7 64Bit</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">XEN:=A0xen-3.0.3-132.el5</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">=A0</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal"><u>Target XenHost</u></p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">OS: XCP 1.1</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">XEN:=A0xen-hypervisor-3.4.2-1.1.=
0.704.20055</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">=A0</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal"><b>Error Msg</b></p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">=A0</p>
                  </div>
                  <div>
                    <div>
                      <p class=3D"MsoNormal">Traceback (most recent call
                        last):</p>
                    </div>
                    <div>
                      <p class=3D"MsoNormal">=A0 File &quot;/usr/bin/pygrub=
&quot;,
                        line 693, in ?</p>
                    </div>
                    <div>
                      <p class=3D"MsoNormal">=A0 =A0 data =3D
                        fs.open_file(chosencfg[&quot;kernel&quot;]).read()<=
/p>
                    </div>
                    <div>
                      <p class=3D"MsoNormal">IOError: [Errno 2] No such
                        file or directory</p>
                    </div>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">=A0</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">Thanks=A0</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">=A0</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">-Johnny</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">=A0</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">=A0</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">=A0</p>
                  </div>
                  <div>
                    <p class=3D"MsoNormal">=A0</p>
                  </div>
                  <p class=3D"MsoNormal"><br>
                    <br>
                    <br>
                  </p>
                  <pre>_______________________________________________</pre=
>
                  <pre>Xen-users mailing list</pre>
                  <pre><a href=3D"mailto:Xen-users@lists.xensource.com" tar=
get=3D"_blank">Xen-users@lists.xensource.com</a></pre>
                  <pre><a href=3D"http://lists.xensource.com/xen-users" tar=
get=3D"_blank">http://lists.xensource.com/xen-users</a></pre>
                  <p class=3D"MsoNormal">=A0</p>
                </div>
              </div>
            </div>
          </div>
          <br>
          _______________________________________________<br>
          Xen-users mailing list<br>
          <a href=3D"mailto:Xen-users@lists.xensource.com" target=3D"_blank=
">Xen-users@lists.xensource.com</a><br>
          <a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank=
">http://lists.xensource.com/xen-users</a><br>
        </blockquote>
      </div>
      <br>
    </blockquote>
    <br>
  </div></div></div>

<br>_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.=
com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br></blockquote></div><br>

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From: jim burns <jim_burn@bellsouth.net>
To: Flavio <fbcyborg@gmail.com>
Date: Wed, 07 Dec 2011 23:56:09 -0500
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Cc: xen-users@lists.xensource.com, "Fajar A. Nugraha" <list@fajar.net>
Subject: Re: [Xen-users] OpenSuse 11 hvm domU: screen resolution up to
	640x480
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On Wed December 7 2011, 10:25:40 PM, Flavio wrote:
> On 7 December 2011 22:20, jim burns <jim_burn@bellsouth.net> wrote:
> > The odd thing is that Xorg.0.log clearly shows the evdev driver found an
> > input driver for the mouse, but the desktop isn't use it. KDE's
> > systemsettings
> > program didn't help, either:
> Very strange actually.
> I really don't have any idea now.
> I hope that it would be possible to solve, using OpenSuse 12.

Ok - back to the hvm install, and converting it to a pv domu. Actually, all 
the heavy lifting has already been done in the hvm install and the pv install. 
Only three things need to be done for the conversion:

1) As I said, all the /dev/disk/by-id references in menu.lst and fstab have to 
be changed to /dev/disk/by-uuid. By way of example, look at the end of my 
/dev/disk tree, and then my menu.lst:


/dev/disk/by-id:
total 0
drwxr-xr-x 2 root root 220 Dec  3 14:34 ./
drwxr-xr-x 6 root root 120 Dec  3 14:34 ../
lrwxrwxrwx 1 root root   9 Dec  3 14:34 ata-QEMU_DVD-ROM_QM00003 -> ../../sr0
lrwxrwxrwx 1 root root   9 Dec  3 14:34 ata-QEMU_HARDDISK_QM00001 -> ../../sda
lrwxrwxrwx 1 root root  10 Dec  3 14:34 ata-QEMU_HARDDISK_QM00001-part1 -> 
../../sda1
lrwxrwxrwx 1 root root  10 Dec  3 14:34 ata-QEMU_HARDDISK_QM00001-part2 -> 
../../sda2
lrwxrwxrwx 1 root root  10 Dec  3 14:34 ata-QEMU_HARDDISK_QM00001-part3 -> 
../../sda3
lrwxrwxrwx 1 root root   9 Dec  3 14:34 scsi-SATA_QEMU_HARDDISK_QM00001 -> 
../../sda
lrwxrwxrwx 1 root root  10 Dec  3 14:34 scsi-SATA_QEMU_HARDDISK_QM00001-part1 
-> ../../sda1
lrwxrwxrwx 1 root root  10 Dec  3 14:34 scsi-SATA_QEMU_HARDDISK_QM00001-part2 
-> ../../sda2
lrwxrwxrwx 1 root root  10 Dec  3 14:34 scsi-SATA_QEMU_HARDDISK_QM00001-part3 
-> ../../sda3

/dev/disk/by-uuid:
total 0
drwxr-xr-x 2 root root 100 Dec  3 14:34 ./
drwxr-xr-x 6 root root 120 Dec  3 14:34 ../
lrwxrwxrwx 1 root root  10 Dec  3 14:34 0b95b2ca-ffc6-486c-a11e-8c1086b88d50 -
> ../../sda1
lrwxrwxrwx 1 root root  10 Dec  3 14:34 2dcfb1a2-876d-4b36-86a5-d34641331c9e -
> ../../sda2
lrwxrwxrwx 1 root root  10 Dec  3 14:34 3ed78b97-5da1-4b3c-a1f0-4a38ba388d78 -
> ../../sda3
# Modified by YaST2. Last modification on Sun Dec  4 12:42:04 EST 2011
# THIS FILE WILL BE PARTIALLY OVERWRITTEN by perl-Bootloader
# Configure custom boot parameters for updated kernels in 
/etc/sysconfig/bootloader

default 3
timeout 8
##YaST - generic_mbr
gfxmenu (hd0,1)/boot/message
##YaST - activate

###Don't change this comment - YaST2 identifier: Original name: linux###
title openSUSE 11.4 - 2.6.37.6-0.9 (default)
    root (hd0,1)
#    kernel /boot/vmlinuz-2.6.37.6-0.9-default root=/dev/disk/by-id/ata-
QEMU_HARDDISK_QM00001-part2 resume=/dev/disk/by-id/ata-QEMU_HARDDISK_QM00001-
part1 showopts vga=0x31a
    kernel /boot/vmlinuz-2.6.37.6-0.9-default root=/dev/sda2 resume=/dev/sda1  
splash=silent showopts vga=0x31a
    initrd /boot/initrd-2.6.37.6-0.9-default

###Don't change this comment - YaST2 identifier: Original name: failsafe###
title Failsafe -- openSUSE 11.4 - 2.6.37.6-0.9 (default)
    root (hd0,1)
    kernel /boot/vmlinuz-2.6.37.6-0.9-default root=/dev/sda2 showopts apm=off 
noresume nosmp maxcpus=0 edd=off powersaved=off nohz=off highres=off 
processor.max_cstate=1 nomodeset x11failsafe vga=0x314
    initrd /boot/initrd-2.6.37.6-0.9-default

###Don't change this comment - YaST2 identifier: Original name: xen###
title Xen -- openSUSE 11.4 - 2.6.37.6-0.9
    root (hd0,1)
    kernel /boot/vmlinuz-2.6.37.6-0.9-xen root=/dev/disk/by-
uuid/2dcfb1a2-876d-4b36-86a5-d34641331c9e resume=/dev/disk/by-uuid/0b95b2ca-
ffc6-486c-a11e-8c1086b88d50 showopts vga=0x31a
    initrd /boot/initrd-2.6.37.6-0.9-xen

###Don't change this comment - YaST2 identifier: Original name: linux###
title Desktop -- openSUSE 11.4 - 2.6.37.6-0.9
    root (hd0,1)
    kernel /boot/vmlinuz-2.6.37.6-0.9-desktop root=/dev/disk/by-
uuid/2dcfb1a2-876d-4b36-86a5-d34641331c9e resume=/dev/disk/by-uuid/0b95b2ca-
ffc6-486c-a11e-8c1086b88d50  splash=silent showopts vga=0x31a
    initrd /boot/initrd-2.6.37.6-0.9-desktop

###Don't change this comment - YaST2 identifier: Original name: failsafe###
title Failsafe -- openSUSE 11.4 - 2.6.37.6-0.9 (desktop)
    root (hd0,1)
    kernel /boot/vmlinuz-2.6.37.6-0.9-desktop root=/dev/sda2 showopts apm=off 
noresume nosmp maxcpus=0 edd=off powersaved=off nohz=off highres=off 
processor.max_cstate=1 nomodeset x11failsafe vga=0x314
    initrd /boot/initrd-2.6.37.6-0.9-desktop

I left the stanza for the -default kernel as it was originally from the hvm 
install. (Yeah, the hvm install only installed the -desktop version of the 
kernel. I installed the other two with zypper, and upgraded the -desktop 
kernel. This doesn't change the discussion about /dev/disk/by-uuid.)

Eg - see how my ata-QEMU_HARDDISK_QM00001-part2 points to /dev/sda2 (the root 
filesystem). The UUID 2dcfb1a2-876d-4b36-86a5-d34641331c9e also points to 
/dev/sda2, so all three are equivalent in the hvm domu. However, the 
/dev/disk/by-id links completely go away when you boot up with a pv config. 
(Yeah, I used the pv config I posted, patterned on your pv install config.) 
Also, the /dev/sdan drives change into /dev/xvdan drives. The preferred 
standard way of representing the drives then becomes /dev/disk/by-uuid, and I 
changed that in the -desktop and -xen stanzas. The -desktop stanza boots with 
the hvm config, and the -xen stanza boots with the pv config. You also need to 
do the same thing in /etc/fstab.

2) You don't have an X desktop at this point, or an 'xm console ...' login, 
but you do have a login in the vnc window. Two files need to be edited to get 
an xm console login. You must edit /etc/inittab, find the line that looks 
like:

#S0:12345:respawn:/sbin/agetty -L 9600 ttyS0 vt102

and add a line above it that looks like:

x0:12345:respawn:/sbin/agetty -L 9600 xvc0 xterm

Then edit /etc/securetty, and add xvc0 to the end of the list, to allow root 
to login on the agetty defined above. Then give the command 'telinit q' to 
tell init to re-read the inittab file, and create the agetty login process for 
xm console.

There is only one drawback to this: When you boot back in with an hvm config, 
/dev/xvc0 doesn't exist, and you get a lot of annoying error messages in 
syslog. Just comment out the 'x0' line in inittab, and execute telinit q.

I expect this step to be done completely differently in suse 12.1, since the 
old systemV init system is supposed to be replaced by the systemd daemon, 
according to the opensuse web site. I've worked with systemd in fedora 15 - 
it's a bit stiff. ;-(

3) And, finally, this is my xorg.conf:

# 
# This file contains the device names of tty lines (one per line,
# without leading /dev/) on which root is allowed to login.
#
tty1
tty2
tty3
tty4
tty5
tty6
xvc0
root@linux-w421 12/07/11 11:40PM:~
[508] > cat /etc/X11/xorg.conf
Section "Monitor"
  HorizSync    20-220
  Identifier   "Monitor[0]"
  VertRefresh  30-320
  UseModes     "Modes[0]"
EndSection

Section "Modes"
  Identifier   "Modes[0]"
  Modeline "1280x1024" 276.24 1280 1384 1528 1776 1024 1025 1028 1111
  Modeline "1280x1024" 108.88 1280 1360 1496 1712 1024 1025 1028 1060
  Modeline "1280x1024_60.00"  109.00  1280 1368 1496 1712  1024 1027 1034 1063 
-hsync +vsync Doublescan
  Modeline "1280x1024_75.00"  138.75  1280 1368 1504 1728  1024 1027 1034 1072 
-hsync +vsync Interlace
  Modeline "1280x1024_85.00"  159.50  1280 1376 1512 1744  1024 1027 1034 1078 
-hsync +vsync Doublescan Interlace
EndSection

Section "Device"
  BoardName    "Cirrus Logic GD 5446"
  Driver       "cirrus"
  Identifier   "Device[0]"
  VendorName   "XenSource Inc."
EndSection

Section "Screen"
  DefaultDepth 24
  SubSection "Display"
    Depth      15
    Modes      "1280x1024" "1152x864" "1024x768" "800x600" 
  EndSubSection
  SubSection "Display"
    Depth      16
    Modes      "1280x1024" "1152x864" "1024x768" "800x600" 
  EndSubSection
  SubSection "Display"
    Depth      24
    Modes      "1280x1024" "1152x864" "1024x768" "800x600" 
  EndSubSection
  SubSection "Display"
    Depth      8
    Modes      "1280x1024" "1152x864" "1024x768" "800x600" 
  EndSubSection
  Device       "Device[0]"
  Identifier   "Screen[0]"
  Monitor      "Monitor[0]"
EndSection

Section "Device"
  Identifier "fbdev"
  Driver  "fbdev"
EndSection
Section "Screen"
  Identifier "fbdev"
  Device "fbdev"
EndSection

Section "ServerLayout"
  Identifier   "Layout[all]"
  Option       "Clone" "off"
  Option       "Xinerama" "off"
  Screen       "Screen[0]"
  Screen       "fbdev"
EndSection

The only difference from what I gave you before is at the end: the extra 
Device and Screen sections for fbdev, and adding that Screen definition to 
ServerLayout. I got the idea from the xorg.conf.install file that the suse 
install left behind.

This ServerLayout tells xorg to try both fbdev and cirrus, and decide which 
one is best.

The end result is exactly the same as the pv install we've been talking about. 
The resolution is just 800x600, and there is no mouse, despite Xorg.0.log 
saying the evdev driver found one. Oh, well - at least it's an interesting 
technical exercise. ;-)

I'm out of ideas on the mouse, and the pv resolution. If anyone has any ideas, 
feel free to chime in. :-)

_______________________________________________
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From: jim burns <jim_burn@bellsouth.net>
To: Flavio <fbcyborg@gmail.com>
Date: Wed, 07 Dec 2011 23:56:09 -0500
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Subject: Re: [Xen-users] OpenSuse 11 hvm domU: screen resolution up to
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On Wed December 7 2011, 10:25:40 PM, Flavio wrote:
> On 7 December 2011 22:20, jim burns <jim_burn@bellsouth.net> wrote:
> > The odd thing is that Xorg.0.log clearly shows the evdev driver found an
> > input driver for the mouse, but the desktop isn't use it. KDE's
> > systemsettings
> > program didn't help, either:
> Very strange actually.
> I really don't have any idea now.
> I hope that it would be possible to solve, using OpenSuse 12.

Ok - back to the hvm install, and converting it to a pv domu. Actually, all 
the heavy lifting has already been done in the hvm install and the pv install. 
Only three things need to be done for the conversion:

1) As I said, all the /dev/disk/by-id references in menu.lst and fstab have to 
be changed to /dev/disk/by-uuid. By way of example, look at the end of my 
/dev/disk tree, and then my menu.lst:


/dev/disk/by-id:
total 0
drwxr-xr-x 2 root root 220 Dec  3 14:34 ./
drwxr-xr-x 6 root root 120 Dec  3 14:34 ../
lrwxrwxrwx 1 root root   9 Dec  3 14:34 ata-QEMU_DVD-ROM_QM00003 -> ../../sr0
lrwxrwxrwx 1 root root   9 Dec  3 14:34 ata-QEMU_HARDDISK_QM00001 -> ../../sda
lrwxrwxrwx 1 root root  10 Dec  3 14:34 ata-QEMU_HARDDISK_QM00001-part1 -> 
../../sda1
lrwxrwxrwx 1 root root  10 Dec  3 14:34 ata-QEMU_HARDDISK_QM00001-part2 -> 
../../sda2
lrwxrwxrwx 1 root root  10 Dec  3 14:34 ata-QEMU_HARDDISK_QM00001-part3 -> 
../../sda3
lrwxrwxrwx 1 root root   9 Dec  3 14:34 scsi-SATA_QEMU_HARDDISK_QM00001 -> 
../../sda
lrwxrwxrwx 1 root root  10 Dec  3 14:34 scsi-SATA_QEMU_HARDDISK_QM00001-part1 
-> ../../sda1
lrwxrwxrwx 1 root root  10 Dec  3 14:34 scsi-SATA_QEMU_HARDDISK_QM00001-part2 
-> ../../sda2
lrwxrwxrwx 1 root root  10 Dec  3 14:34 scsi-SATA_QEMU_HARDDISK_QM00001-part3 
-> ../../sda3

/dev/disk/by-uuid:
total 0
drwxr-xr-x 2 root root 100 Dec  3 14:34 ./
drwxr-xr-x 6 root root 120 Dec  3 14:34 ../
lrwxrwxrwx 1 root root  10 Dec  3 14:34 0b95b2ca-ffc6-486c-a11e-8c1086b88d50 -
> ../../sda1
lrwxrwxrwx 1 root root  10 Dec  3 14:34 2dcfb1a2-876d-4b36-86a5-d34641331c9e -
> ../../sda2
lrwxrwxrwx 1 root root  10 Dec  3 14:34 3ed78b97-5da1-4b3c-a1f0-4a38ba388d78 -
> ../../sda3
# Modified by YaST2. Last modification on Sun Dec  4 12:42:04 EST 2011
# THIS FILE WILL BE PARTIALLY OVERWRITTEN by perl-Bootloader
# Configure custom boot parameters for updated kernels in 
/etc/sysconfig/bootloader

default 3
timeout 8
##YaST - generic_mbr
gfxmenu (hd0,1)/boot/message
##YaST - activate

###Don't change this comment - YaST2 identifier: Original name: linux###
title openSUSE 11.4 - 2.6.37.6-0.9 (default)
    root (hd0,1)
#    kernel /boot/vmlinuz-2.6.37.6-0.9-default root=/dev/disk/by-id/ata-
QEMU_HARDDISK_QM00001-part2 resume=/dev/disk/by-id/ata-QEMU_HARDDISK_QM00001-
part1 showopts vga=0x31a
    kernel /boot/vmlinuz-2.6.37.6-0.9-default root=/dev/sda2 resume=/dev/sda1  
splash=silent showopts vga=0x31a
    initrd /boot/initrd-2.6.37.6-0.9-default

###Don't change this comment - YaST2 identifier: Original name: failsafe###
title Failsafe -- openSUSE 11.4 - 2.6.37.6-0.9 (default)
    root (hd0,1)
    kernel /boot/vmlinuz-2.6.37.6-0.9-default root=/dev/sda2 showopts apm=off 
noresume nosmp maxcpus=0 edd=off powersaved=off nohz=off highres=off 
processor.max_cstate=1 nomodeset x11failsafe vga=0x314
    initrd /boot/initrd-2.6.37.6-0.9-default

###Don't change this comment - YaST2 identifier: Original name: xen###
title Xen -- openSUSE 11.4 - 2.6.37.6-0.9
    root (hd0,1)
    kernel /boot/vmlinuz-2.6.37.6-0.9-xen root=/dev/disk/by-
uuid/2dcfb1a2-876d-4b36-86a5-d34641331c9e resume=/dev/disk/by-uuid/0b95b2ca-
ffc6-486c-a11e-8c1086b88d50 showopts vga=0x31a
    initrd /boot/initrd-2.6.37.6-0.9-xen

###Don't change this comment - YaST2 identifier: Original name: linux###
title Desktop -- openSUSE 11.4 - 2.6.37.6-0.9
    root (hd0,1)
    kernel /boot/vmlinuz-2.6.37.6-0.9-desktop root=/dev/disk/by-
uuid/2dcfb1a2-876d-4b36-86a5-d34641331c9e resume=/dev/disk/by-uuid/0b95b2ca-
ffc6-486c-a11e-8c1086b88d50  splash=silent showopts vga=0x31a
    initrd /boot/initrd-2.6.37.6-0.9-desktop

###Don't change this comment - YaST2 identifier: Original name: failsafe###
title Failsafe -- openSUSE 11.4 - 2.6.37.6-0.9 (desktop)
    root (hd0,1)
    kernel /boot/vmlinuz-2.6.37.6-0.9-desktop root=/dev/sda2 showopts apm=off 
noresume nosmp maxcpus=0 edd=off powersaved=off nohz=off highres=off 
processor.max_cstate=1 nomodeset x11failsafe vga=0x314
    initrd /boot/initrd-2.6.37.6-0.9-desktop

I left the stanza for the -default kernel as it was originally from the hvm 
install. (Yeah, the hvm install only installed the -desktop version of the 
kernel. I installed the other two with zypper, and upgraded the -desktop 
kernel. This doesn't change the discussion about /dev/disk/by-uuid.)

Eg - see how my ata-QEMU_HARDDISK_QM00001-part2 points to /dev/sda2 (the root 
filesystem). The UUID 2dcfb1a2-876d-4b36-86a5-d34641331c9e also points to 
/dev/sda2, so all three are equivalent in the hvm domu. However, the 
/dev/disk/by-id links completely go away when you boot up with a pv config. 
(Yeah, I used the pv config I posted, patterned on your pv install config.) 
Also, the /dev/sdan drives change into /dev/xvdan drives. The preferred 
standard way of representing the drives then becomes /dev/disk/by-uuid, and I 
changed that in the -desktop and -xen stanzas. The -desktop stanza boots with 
the hvm config, and the -xen stanza boots with the pv config. You also need to 
do the same thing in /etc/fstab.

2) You don't have an X desktop at this point, or an 'xm console ...' login, 
but you do have a login in the vnc window. Two files need to be edited to get 
an xm console login. You must edit /etc/inittab, find the line that looks 
like:

#S0:12345:respawn:/sbin/agetty -L 9600 ttyS0 vt102

and add a line above it that looks like:

x0:12345:respawn:/sbin/agetty -L 9600 xvc0 xterm

Then edit /etc/securetty, and add xvc0 to the end of the list, to allow root 
to login on the agetty defined above. Then give the command 'telinit q' to 
tell init to re-read the inittab file, and create the agetty login process for 
xm console.

There is only one drawback to this: When you boot back in with an hvm config, 
/dev/xvc0 doesn't exist, and you get a lot of annoying error messages in 
syslog. Just comment out the 'x0' line in inittab, and execute telinit q.

I expect this step to be done completely differently in suse 12.1, since the 
old systemV init system is supposed to be replaced by the systemd daemon, 
according to the opensuse web site. I've worked with systemd in fedora 15 - 
it's a bit stiff. ;-(

3) And, finally, this is my xorg.conf:

# 
# This file contains the device names of tty lines (one per line,
# without leading /dev/) on which root is allowed to login.
#
tty1
tty2
tty3
tty4
tty5
tty6
xvc0
root@linux-w421 12/07/11 11:40PM:~
[508] > cat /etc/X11/xorg.conf
Section "Monitor"
  HorizSync    20-220
  Identifier   "Monitor[0]"
  VertRefresh  30-320
  UseModes     "Modes[0]"
EndSection

Section "Modes"
  Identifier   "Modes[0]"
  Modeline "1280x1024" 276.24 1280 1384 1528 1776 1024 1025 1028 1111
  Modeline "1280x1024" 108.88 1280 1360 1496 1712 1024 1025 1028 1060
  Modeline "1280x1024_60.00"  109.00  1280 1368 1496 1712  1024 1027 1034 1063 
-hsync +vsync Doublescan
  Modeline "1280x1024_75.00"  138.75  1280 1368 1504 1728  1024 1027 1034 1072 
-hsync +vsync Interlace
  Modeline "1280x1024_85.00"  159.50  1280 1376 1512 1744  1024 1027 1034 1078 
-hsync +vsync Doublescan Interlace
EndSection

Section "Device"
  BoardName    "Cirrus Logic GD 5446"
  Driver       "cirrus"
  Identifier   "Device[0]"
  VendorName   "XenSource Inc."
EndSection

Section "Screen"
  DefaultDepth 24
  SubSection "Display"
    Depth      15
    Modes      "1280x1024" "1152x864" "1024x768" "800x600" 
  EndSubSection
  SubSection "Display"
    Depth      16
    Modes      "1280x1024" "1152x864" "1024x768" "800x600" 
  EndSubSection
  SubSection "Display"
    Depth      24
    Modes      "1280x1024" "1152x864" "1024x768" "800x600" 
  EndSubSection
  SubSection "Display"
    Depth      8
    Modes      "1280x1024" "1152x864" "1024x768" "800x600" 
  EndSubSection
  Device       "Device[0]"
  Identifier   "Screen[0]"
  Monitor      "Monitor[0]"
EndSection

Section "Device"
  Identifier "fbdev"
  Driver  "fbdev"
EndSection
Section "Screen"
  Identifier "fbdev"
  Device "fbdev"
EndSection

Section "ServerLayout"
  Identifier   "Layout[all]"
  Option       "Clone" "off"
  Option       "Xinerama" "off"
  Screen       "Screen[0]"
  Screen       "fbdev"
EndSection

The only difference from what I gave you before is at the end: the extra 
Device and Screen sections for fbdev, and adding that Screen definition to 
ServerLayout. I got the idea from the xorg.conf.install file that the suse 
install left behind.

This ServerLayout tells xorg to try both fbdev and cirrus, and decide which 
one is best.

The end result is exactly the same as the pv install we've been talking about. 
The resolution is just 800x600, and there is no mouse, despite Xorg.0.log 
saying the evdev driver found one. Oh, well - at least it's an interesting 
technical exercise. ;-)

I'm out of ideas on the mouse, and the pv resolution. If anyone has any ideas, 
feel free to chime in. :-)

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Date: Thu, 08 Dec 2011 09:50:03 +0400
From: George Shuklin <george.shuklin@gmail.com>
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To: Johnny Tao <johnnybeijing@gmail.com>
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Cc: "xen-users@lists.xensource.com" <xen-users@lists.xensource.com>
Subject: Re: [Xen-users] DomU pygrub issue - OSS Xen to XCP
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If you just want to boot somehow VM, just use external kernel. It will 
be not really comfortable, but allow to configure domU from domU.

On 08.12.2011 07:33, Johnny Tao wrote:
> George
>
> Thanks for quick response, have you successfully installed grub on 
> such kind of my domU and bootup into OS?
>
> Seems it doesn't' work for me to install pygrub according to this wiki
> http://wiki.xen.org/wiki/PyGrub
>
> Any ideas?
>
>
>
> On Thu, Dec 8, 2011 at 10:58 AM, George Shuklin 
> <george.shuklin@gmail.com <mailto:george.shuklin@gmail.com>> wrote:
>
>     You have no bootloader and what how you expect virtual machine to
>     boot?
>
>     Chroot to domU filesystem, install grub. Or use
>     PV-kernel/PV-ramdisk/PV-args variables to boot kernel from
>     'outside' domU (they must resides in /boot/guest of XCP dom0).
>
>
>     On 08.12.2011 06:45, Johnny Tao wrote:
>>     George & Joseph
>>
>>     Thanks for your response , since this domU copied from dom0 and
>>     has no a grub on it, although I give other try to installed
>>     kernel-xen and grub manually on OSS  Xen Host, which still being
>>     stuck to start up.Do I need fix the grub installation first on
>>     OSS Xen Host and then start migration ?
>>
>>     With many thanks
>>
>>     Check info below reference
>>
>>     */xm creatc -c /etc/xen/demo - OSS Xen Host/*
>>
>>     Traceback (most recent call last):
>>       File "/usr/bin/pygrub", line 693, in ?
>>         data = fs.open_file(chosencfg["kernel"]).read()
>>     IOError: [Errno 2] No such file or directory
>>     No handlers could be found for logger "xend"
>>     Error: Boot loader didn't return any data!
>>     Usage: xm create <ConfigFile> [options] [vars]
>>
>>     */xe vm-list params  - XCP Xen Host/*
>>
>>     uuid ( RO)                          :
>>     47dc79b3-e763-8712-8769-49bbbf9dc7ec
>>                         name-label ( RW): demo_old
>>                   name-description ( RW):
>>                       user-version ( RW): 1
>>                      is-a-template ( RW): false
>>                      is-a-snapshot ( RO): false
>>                        snapshot-of ( RO): <not in database>
>>                          snapshots ( RO):
>>                      snapshot-time ( RO): 19700101T00:00:00Z
>>                      snapshot-info ( RO):
>>                             parent ( RO): <not in database>
>>                           children ( RO):
>>                  is-control-domain ( RO): false
>>                        power-state ( RO): halted
>>                      memory-actual ( RO): 0
>>                      memory-target ( RO): <expensive field>
>>                    memory-overhead ( RO): 4194304
>>                  memory-static-max ( RW): 268435456
>>                 memory-dynamic-max ( RW): 268435456
>>                 memory-dynamic-min ( RW): 268435456
>>                  memory-static-min ( RW): 16777216
>>                   suspend-VDI-uuid ( RO): <not in database>
>>                       VCPUs-params (MRW):
>>                          VCPUs-max ( RW): 1
>>                   VCPUs-at-startup ( RW): 1
>>             actions-after-shutdown ( RW): Destroy
>>               actions-after-reboot ( RW): Restart
>>                actions-after-crash ( RW): Restart
>>                      console-uuids (SRO):
>>                           platform (MRW): nx: false; acpi: true;
>>     apic: true; pae: true; viridian: true
>>                 allowed-operations (SRO): changing_dynamic_range;
>>     changing_static_range; make_into_template; destroy; export;
>>     start_on; start; clone; copy; snapshot
>>                 current-operations (SRO):
>>                 blocked-operations (MRW):
>>                allowed-VBD-devices (SRO): <expensive field>
>>                allowed-VIF-devices (SRO): <expensive field>
>>                     possible-hosts ( RO): <expensive field>
>>                    HVM-boot-policy ( RW):
>>                    HVM-boot-params (MRW): order:
>>              HVM-shadow-multiplier ( RW): 1.000
>>                          PV-kernel ( RW):
>>                         PV-ramdisk ( RW):
>>                            PV-args ( RW):
>>                     PV-legacy-args ( RW):
>>                      PV-bootloader ( RW): pygrub
>>                 PV-bootloader-args ( RW):
>>                last-boot-CPU-flags ( RO):
>>                   last-boot-record ( RO): <expensive field>
>>                        resident-on ( RO): <not in database>
>>                           affinity ( RW):
>>     288977fd-1836-475a-9109-7f2e68ccae1e
>>                       other-config (MRW): import_task:
>>     OpaqueRef:495fd90f-8b8a-96b8-ca22-5c9ff4d427b8; mac_seed:
>>     709328f5-aca8-3c87-bb3b-de81d2aab3d5; install-methods: cdrom
>>                             dom-id ( RO): -1
>>                    recommendations ( RO): <restrictions><restriction
>>     field="memory-static-max" max="34359738368" /><restriction
>>     field="vcpus-max" max="8" /><restriction
>>     property="number-of-vbds" max="7" /><restriction
>>     property="number-of-vifs" max="7" /></restrictions>
>>                      xenstore-data (MRW):
>>                      ha-always-run ( RW): false
>>                ha-restart-priority ( RW):
>>                              blobs ( RO):
>>                         start-time ( RO): 19700101T00:00:00Z
>>                       install-time ( RO): 19700101T00:00:00Z
>>                       VCPUs-number ( RO): 0
>>                  VCPUs-utilisation (MRO): <expensive field>
>>                         os-version (MRO): <not in database>
>>                 PV-drivers-version (MRO): <not in database>
>>              PV-drivers-up-to-date ( RO): <not in database>
>>                             memory (MRO): <not in database>
>>                              disks (MRO): <not in database>
>>                           networks (MRO): <not in database>
>>                              other (MRO): <not in database>
>>                               live ( RO): <not in database>
>>         guest-metrics-last-updated ( RO): <not in database>
>>                        cooperative ( RO): <expensive field>
>>                  protection-policy ( RW): <not in database>
>>              is-snapshot-from-vmpp ( RO): false
>>                               tags (SRW):
>>
>>     On Thu, Dec 8, 2011 at 1:16 AM, Joseph Hom <jhom@softlayer.com
>>     <mailto:jhom@softlayer.com>> wrote:
>>
>>         Also if you can please post your menu.lst or grub.cfg from
>>         the domU.
>>
>>         *From:*xen-users-bounces@lists.xensource.com
>>         <mailto:xen-users-bounces@lists.xensource.com>
>>         [mailto:xen-users-bounces@lists.xensource.com
>>         <mailto:xen-users-bounces@lists.xensource.com>] *On Behalf Of
>>         *George Shuklin
>>         *Sent:* Wednesday, December 07, 2011 7:02 AM
>>         *To:* xen-users@lists.xensource.com
>>         <mailto:xen-users@lists.xensource.com>
>>         *Subject:* Re: [Xen-users] DomU pygrub issue - OSS Xen to XCP
>>
>>         Post all PV  fields of VM (xe vm-list params and copypaste
>>         all fields with PV in name). Looks like you having bad
>>         settings for PV-bootloader(-args).
>>
>>         On 07.12.2011 11:35, Johnny Tao wrote:
>>
>>         Hi, All
>>
>>         I'm just new to this list, I'm started to dealing with OSS
>>         Xen to XCP migration earlier this week, seem the domUs
>>         installed via virt-install are function well,
>>
>>         but domUs copied via dom0 are failed during bootup process,
>>         finally I realize if I could fix this on my OSS Xen will
>>         resolve all.
>>
>>         Can I have any suggestion from you please ?
>>
>>         *Details*
>>
>>         _Source XenHost_
>>
>>         OS: CentOS 5.7 64Bit
>>
>>         XEN: xen-3.0.3-132.el5
>>
>>         _Target XenHost_
>>
>>         OS: XCP 1.1
>>
>>         XEN: xen-hypervisor-3.4.2-1.1.0.704.20055
>>
>>         *Error Msg*
>>
>>         Traceback (most recent call last):
>>
>>           File "/usr/bin/pygrub", line 693, in ?
>>
>>             data = fs.open_file(chosencfg["kernel"]).read()
>>
>>         IOError: [Errno 2] No such file or directory
>>
>>         Thanks
>>
>>         -Johnny
>>
>>
>>
>>
>>         _______________________________________________
>>
>>         Xen-users mailing list
>>
>>         Xen-users@lists.xensource.com  <mailto:Xen-users@lists.xensource.com>
>>
>>         http://lists.xensource.com/xen-users
>>
>>
>>         _______________________________________________
>>         Xen-users mailing list
>>         Xen-users@lists.xensource.com
>>         <mailto:Xen-users@lists.xensource.com>
>>         http://lists.xensource.com/xen-users
>>
>>
>
>
>     _______________________________________________
>     Xen-users mailing list
>     Xen-users@lists.xensource.com <mailto:Xen-users@lists.xensource.com>
>     http://lists.xensource.com/xen-users
>
>


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    If you just want to boot somehow VM, just use external kernel. It
    will be not really comfortable, but allow to configure domU from
    domU.<br>
    <br>
    On 08.12.2011 07:33, Johnny Tao wrote:
    <blockquote
cite="mid:CABVfK+3gvx4_XSKsGW-Ctzj=z8+jG_Qkbw_wc_VkHmtXf0fRTQ@mail.gmail.com"
      type="cite">George<br>
      <br>
      Thanks for quick response, have you successfully installed grub on
      such kind of my domU and bootup into OS?<br>
      <br>
      Seems it doesn't' work for me to install pygrub according to this
      wiki<br>
      <a moz-do-not-send="true" href="http://wiki.xen.org/wiki/PyGrub">http://wiki.xen.org/wiki/PyGrub</a><br>
      <br>
      Any ideas?<br>
      <br>
      <br>
      <br>
      <div class="gmail_quote">On Thu, Dec 8, 2011 at 10:58 AM, George
        Shuklin <span dir="ltr">&lt;<a moz-do-not-send="true"
            href="mailto:george.shuklin@gmail.com">george.shuklin@gmail.com</a>&gt;</span>
        wrote:<br>
        <blockquote class="gmail_quote" style="margin:0 0 0
          .8ex;border-left:1px #ccc solid;padding-left:1ex;">
          <div text="#000000" bgcolor="#FFFFFF"> You have no bootloader
            and what how you expect virtual machine to boot?<br>
            <br>
            Chroot to domU filesystem, install grub. Or use
            PV-kernel/PV-ramdisk/PV-args variables to boot kernel from
            'outside' domU (they must resides in /boot/guest of XCP
            dom0).
            <div>
              <div class="h5"><br>
                <br>
                On 08.12.2011 06:45, Johnny Tao wrote:
                <blockquote type="cite">George &amp; Joseph <br>
                  <br>
                  Thanks for your response , since this domU copied from
                  dom0 and has no a grub on it, although I give other
                  try to installed kernel-xen and grub manually on OSS&nbsp;
                  Xen Host, which still being stuck to start up.Do I
                  need fix the grub installation first on OSS Xen Host
                  and then start migration ?<br>
                  <br>
                  With many thanks <br>
                  <br>
                  Check info below reference <br>
                  <br>
                  <b><i>xm creatc -c /etc/xen/demo - OSS Xen Host</i></b><br>
                  <br>
                  Traceback (most recent call last):<br>
                  &nbsp; File "/usr/bin/pygrub", line 693, in ?<br>
                  &nbsp;&nbsp;&nbsp; data = fs.open_file(chosencfg["kernel"]).read()<br>
                  IOError: [Errno 2] No such file or directory<br>
                  No handlers could be found for logger "xend"<br>
                  Error: Boot loader didn't return any data!<br>
                  Usage: xm create &lt;ConfigFile&gt; [options] [vars]<br>
                  <br>
                  <b><i>xe vm-list params&nbsp; - XCP Xen Host</i></b><br>
                  <br>
                  uuid ( RO)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; :
                  47dc79b3-e763-8712-8769-49bbbf9dc7ec<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; name-label ( RW): demo_old<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; name-description ( RW): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; user-version ( RW): 1<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; is-a-template ( RW): false<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; is-a-snapshot ( RO): false<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; snapshot-of ( RO): &lt;not in
                  database&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; snapshots ( RO): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; snapshot-time ( RO):
                  19700101T00:00:00Z<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; snapshot-info ( RO): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; parent ( RO): &lt;not in
                  database&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; children ( RO): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; is-control-domain ( RO): false<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; power-state ( RO): halted<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory-actual ( RO): 0<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory-target ( RO): &lt;expensive
                  field&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory-overhead ( RO): 4194304<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory-static-max ( RW): 268435456<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory-dynamic-max ( RW): 268435456<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory-dynamic-min ( RW): 268435456<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory-static-min ( RW): 16777216<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; suspend-VDI-uuid ( RO): &lt;not in
                  database&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; VCPUs-params (MRW): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; VCPUs-max ( RW): 1<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; VCPUs-at-startup ( RW): 1<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; actions-after-shutdown ( RW): Destroy<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; actions-after-reboot ( RW): Restart<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; actions-after-crash ( RW): Restart<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; console-uuids (SRO): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; platform (MRW): nx: false; acpi:
                  true; apic: true; pae: true; viridian: true<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; allowed-operations (SRO):
                  changing_dynamic_range; changing_static_range;
                  make_into_template; destroy; export; start_on; start;
                  clone; copy; snapshot<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; current-operations (SRO): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; blocked-operations (MRW): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; allowed-VBD-devices (SRO): &lt;expensive
                  field&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; allowed-VIF-devices (SRO): &lt;expensive
                  field&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; possible-hosts ( RO): &lt;expensive
                  field&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; HVM-boot-policy ( RW): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; HVM-boot-params (MRW): order: <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; HVM-shadow-multiplier ( RW): 1.000<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-kernel ( RW): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-ramdisk ( RW): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-args ( RW): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-legacy-args ( RW): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-bootloader ( RW): pygrub<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-bootloader-args ( RW): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; last-boot-CPU-flags ( RO): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; last-boot-record ( RO): &lt;expensive
                  field&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; resident-on ( RO): &lt;not in
                  database&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; affinity ( RW):
                  288977fd-1836-475a-9109-7f2e68ccae1e<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; other-config (MRW): import_task:
                  OpaqueRef:495fd90f-8b8a-96b8-ca22-5c9ff4d427b8;
                  mac_seed: 709328f5-aca8-3c87-bb3b-de81d2aab3d5;
                  install-methods: cdrom<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; dom-id ( RO): -1<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; recommendations ( RO):
                  &lt;restrictions&gt;&lt;restriction
                  field="memory-static-max" max="34359738368"
                  /&gt;&lt;restriction field="vcpus-max" max="8"
                  /&gt;&lt;restriction property="number-of-vbds" max="7"
                  /&gt;&lt;restriction property="number-of-vifs" max="7"
                  /&gt;&lt;/restrictions&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; xenstore-data (MRW): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ha-always-run ( RW): false<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ha-restart-priority ( RW): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; blobs ( RO): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; start-time ( RO):
                  19700101T00:00:00Z<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; install-time ( RO):
                  19700101T00:00:00Z<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; VCPUs-number ( RO): 0<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; VCPUs-utilisation (MRO): &lt;expensive
                  field&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; os-version (MRO): &lt;not in
                  database&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-drivers-version (MRO): &lt;not in
                  database&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-drivers-up-to-date ( RO): &lt;not in
                  database&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory (MRO): &lt;not in
                  database&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; disks (MRO): &lt;not in
                  database&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; networks (MRO): &lt;not in
                  database&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; other (MRO): &lt;not in
                  database&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; live ( RO): &lt;not in
                  database&gt;<br>
                  &nbsp;&nbsp;&nbsp; guest-metrics-last-updated ( RO): &lt;not in
                  database&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; cooperative ( RO): &lt;expensive
                  field&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; protection-policy ( RW): &lt;not in
                  database&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; is-snapshot-from-vmpp ( RO): false<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; tags (SRW): <br>
                  <br>
                  <div class="gmail_quote">On Thu, Dec 8, 2011 at 1:16
                    AM, Joseph Hom <span dir="ltr">&lt;<a
                        moz-do-not-send="true"
                        href="mailto:jhom@softlayer.com" target="_blank">jhom@softlayer.com</a>&gt;</span>
                    wrote:<br>
                    <blockquote class="gmail_quote" style="margin:0 0 0
                      .8ex;border-left:1px #ccc solid;padding-left:1ex">
                      <div bgcolor="white" link="blue" vlink="purple"
                        lang="EN-US">
                        <div>
                          <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">Also

                              if you can please post your menu.lst or
                              grub.cfg from the domU.</span></p>
                          <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">&nbsp;</span></p>
                          <div>
                            <div style="border:none;border-top:solid
                              #b5c4df 1.0pt;padding:3.0pt 0in 0in 0in">
                              <p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:windowtext">From:</span></b><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:windowtext">
                                  <a moz-do-not-send="true"
                                    href="mailto:xen-users-bounces@lists.xensource.com"
                                    target="_blank">xen-users-bounces@lists.xensource.com</a>
                                  [mailto:<a moz-do-not-send="true"
                                    href="mailto:xen-users-bounces@lists.xensource.com"
                                    target="_blank">xen-users-bounces@lists.xensource.com</a>]
                                  <b>On Behalf Of </b>George Shuklin<br>
                                  <b>Sent:</b> Wednesday, December 07,
                                  2011 7:02 AM<br>
                                  <b>To:</b> <a moz-do-not-send="true"
href="mailto:xen-users@lists.xensource.com" target="_blank">xen-users@lists.xensource.com</a><br>
                                  <b>Subject:</b> Re: [Xen-users] DomU
                                  pygrub issue - OSS Xen to XCP</span></p>
                            </div>
                          </div>
                          <div>
                            <div>
                              <p class="MsoNormal">&nbsp;</p>
                              <p class="MsoNormal">Post all PV&nbsp; fields
                                of VM (xe vm-list params and copypaste
                                all fields with PV in name). Looks like
                                you having bad settings for
                                PV-bootloader(-args).<br>
                                <br>
                                On 07.12.2011 11:35, Johnny Tao wrote: </p>
                              <p class="MsoNormal">Hi, All </p>
                              <div>
                                <p class="MsoNormal">&nbsp;</p>
                              </div>
                              <div>
                                <p class="MsoNormal">I'm just new to
                                  this list, I'm started to dealing with
                                  OSS Xen to XCP migration earlier this
                                  week, seem the domUs installed via
                                  virt-install are function well,</p>
                              </div>
                              <div>
                                <p class="MsoNormal">but domUs copied
                                  via dom0 are failed during bootup
                                  process, finally I&nbsp;<span><span
style="font-size:9.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">realize

                                      if I could fix this on my OSS Xen
                                      will resolve all.&nbsp;</span></span></p>
                              </div>
                              <div>
                                <div>
                                  <div>
                                    <p class="MsoNormal"><span
                                        style="font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">Can

                                        I have any suggestion from you
                                        please ?</span></p>
                                  </div>
                                </div>
                                <div>
                                  <p class="MsoNormal"><span
                                      style="font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">&nbsp;</span></p>
                                </div>
                              </div>
                              <div>
                                <p class="MsoNormal">&nbsp;</p>
                              </div>
                              <div>
                                <p class="MsoNormal"><b>Details</b></p>
                              </div>
                              <div>
                                <p class="MsoNormal">&nbsp;</p>
                              </div>
                              <div>
                                <p class="MsoNormal"><u>Source XenHost</u></p>
                              </div>
                              <div>
                                <p class="MsoNormal">OS: CentOS 5.7
                                  64Bit</p>
                              </div>
                              <div>
                                <p class="MsoNormal">XEN:&nbsp;xen-3.0.3-132.el5</p>
                              </div>
                              <div>
                                <p class="MsoNormal">&nbsp;</p>
                              </div>
                              <div>
                                <p class="MsoNormal"><u>Target XenHost</u></p>
                              </div>
                              <div>
                                <p class="MsoNormal">OS: XCP 1.1</p>
                              </div>
                              <div>
                                <p class="MsoNormal">XEN:&nbsp;xen-hypervisor-3.4.2-1.1.0.704.20055</p>
                              </div>
                              <div>
                                <p class="MsoNormal">&nbsp;</p>
                              </div>
                              <div>
                                <p class="MsoNormal"><b>Error Msg</b></p>
                              </div>
                              <div>
                                <p class="MsoNormal">&nbsp;</p>
                              </div>
                              <div>
                                <div>
                                  <p class="MsoNormal">Traceback (most
                                    recent call last):</p>
                                </div>
                                <div>
                                  <p class="MsoNormal">&nbsp; File
                                    "/usr/bin/pygrub", line 693, in ?</p>
                                </div>
                                <div>
                                  <p class="MsoNormal">&nbsp; &nbsp; data =
                                    fs.open_file(chosencfg["kernel"]).read()</p>
                                </div>
                                <div>
                                  <p class="MsoNormal">IOError: [Errno
                                    2] No such file or directory</p>
                                </div>
                              </div>
                              <div>
                                <p class="MsoNormal">&nbsp;</p>
                              </div>
                              <div>
                                <p class="MsoNormal">Thanks&nbsp;</p>
                              </div>
                              <div>
                                <p class="MsoNormal">&nbsp;</p>
                              </div>
                              <div>
                                <p class="MsoNormal">-Johnny</p>
                              </div>
                              <div>
                                <p class="MsoNormal">&nbsp;</p>
                              </div>
                              <div>
                                <p class="MsoNormal">&nbsp;</p>
                              </div>
                              <div>
                                <p class="MsoNormal">&nbsp;</p>
                              </div>
                              <div>
                                <p class="MsoNormal">&nbsp;</p>
                              </div>
                              <p class="MsoNormal"><br>
                                <br>
                                <br>
                              </p>
                              <pre>_______________________________________________</pre>
                              <pre>Xen-users mailing list</pre>
                              <pre><a moz-do-not-send="true" href="mailto:Xen-users@lists.xensource.com" target="_blank">Xen-users@lists.xensource.com</a></pre>
                              <pre><a moz-do-not-send="true" href="http://lists.xensource.com/xen-users" target="_blank">http://lists.xensource.com/xen-users</a></pre>
                              <p class="MsoNormal">&nbsp;</p>
                            </div>
                          </div>
                        </div>
                      </div>
                      <br>
                      _______________________________________________<br>
                      Xen-users mailing list<br>
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                        target="_blank">Xen-users@lists.xensource.com</a><br>
                      <a moz-do-not-send="true"
                        href="http://lists.xensource.com/xen-users"
                        target="_blank">http://lists.xensource.com/xen-users</a><br>
                    </blockquote>
                  </div>
                  <br>
                </blockquote>
                <br>
              </div>
            </div>
          </div>
          <br>
          _______________________________________________<br>
          Xen-users mailing list<br>
          <a moz-do-not-send="true"
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          <a moz-do-not-send="true"
            href="http://lists.xensource.com/xen-users" target="_blank">http://lists.xensource.com/xen-users</a><br>
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      <br>
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Message-ID: <4EE0500B.7040708@gmail.com>
Date: Thu, 08 Dec 2011 09:50:03 +0400
From: George Shuklin <george.shuklin@gmail.com>
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To: Johnny Tao <johnnybeijing@gmail.com>
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Cc: "xen-users@lists.xensource.com" <xen-users@lists.xensource.com>
Subject: Re: [Xen-users] DomU pygrub issue - OSS Xen to XCP
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If you just want to boot somehow VM, just use external kernel. It will 
be not really comfortable, but allow to configure domU from domU.

On 08.12.2011 07:33, Johnny Tao wrote:
> George
>
> Thanks for quick response, have you successfully installed grub on 
> such kind of my domU and bootup into OS?
>
> Seems it doesn't' work for me to install pygrub according to this wiki
> http://wiki.xen.org/wiki/PyGrub
>
> Any ideas?
>
>
>
> On Thu, Dec 8, 2011 at 10:58 AM, George Shuklin 
> <george.shuklin@gmail.com <mailto:george.shuklin@gmail.com>> wrote:
>
>     You have no bootloader and what how you expect virtual machine to
>     boot?
>
>     Chroot to domU filesystem, install grub. Or use
>     PV-kernel/PV-ramdisk/PV-args variables to boot kernel from
>     'outside' domU (they must resides in /boot/guest of XCP dom0).
>
>
>     On 08.12.2011 06:45, Johnny Tao wrote:
>>     George & Joseph
>>
>>     Thanks for your response , since this domU copied from dom0 and
>>     has no a grub on it, although I give other try to installed
>>     kernel-xen and grub manually on OSS  Xen Host, which still being
>>     stuck to start up.Do I need fix the grub installation first on
>>     OSS Xen Host and then start migration ?
>>
>>     With many thanks
>>
>>     Check info below reference
>>
>>     */xm creatc -c /etc/xen/demo - OSS Xen Host/*
>>
>>     Traceback (most recent call last):
>>       File "/usr/bin/pygrub", line 693, in ?
>>         data = fs.open_file(chosencfg["kernel"]).read()
>>     IOError: [Errno 2] No such file or directory
>>     No handlers could be found for logger "xend"
>>     Error: Boot loader didn't return any data!
>>     Usage: xm create <ConfigFile> [options] [vars]
>>
>>     */xe vm-list params  - XCP Xen Host/*
>>
>>     uuid ( RO)                          :
>>     47dc79b3-e763-8712-8769-49bbbf9dc7ec
>>                         name-label ( RW): demo_old
>>                   name-description ( RW):
>>                       user-version ( RW): 1
>>                      is-a-template ( RW): false
>>                      is-a-snapshot ( RO): false
>>                        snapshot-of ( RO): <not in database>
>>                          snapshots ( RO):
>>                      snapshot-time ( RO): 19700101T00:00:00Z
>>                      snapshot-info ( RO):
>>                             parent ( RO): <not in database>
>>                           children ( RO):
>>                  is-control-domain ( RO): false
>>                        power-state ( RO): halted
>>                      memory-actual ( RO): 0
>>                      memory-target ( RO): <expensive field>
>>                    memory-overhead ( RO): 4194304
>>                  memory-static-max ( RW): 268435456
>>                 memory-dynamic-max ( RW): 268435456
>>                 memory-dynamic-min ( RW): 268435456
>>                  memory-static-min ( RW): 16777216
>>                   suspend-VDI-uuid ( RO): <not in database>
>>                       VCPUs-params (MRW):
>>                          VCPUs-max ( RW): 1
>>                   VCPUs-at-startup ( RW): 1
>>             actions-after-shutdown ( RW): Destroy
>>               actions-after-reboot ( RW): Restart
>>                actions-after-crash ( RW): Restart
>>                      console-uuids (SRO):
>>                           platform (MRW): nx: false; acpi: true;
>>     apic: true; pae: true; viridian: true
>>                 allowed-operations (SRO): changing_dynamic_range;
>>     changing_static_range; make_into_template; destroy; export;
>>     start_on; start; clone; copy; snapshot
>>                 current-operations (SRO):
>>                 blocked-operations (MRW):
>>                allowed-VBD-devices (SRO): <expensive field>
>>                allowed-VIF-devices (SRO): <expensive field>
>>                     possible-hosts ( RO): <expensive field>
>>                    HVM-boot-policy ( RW):
>>                    HVM-boot-params (MRW): order:
>>              HVM-shadow-multiplier ( RW): 1.000
>>                          PV-kernel ( RW):
>>                         PV-ramdisk ( RW):
>>                            PV-args ( RW):
>>                     PV-legacy-args ( RW):
>>                      PV-bootloader ( RW): pygrub
>>                 PV-bootloader-args ( RW):
>>                last-boot-CPU-flags ( RO):
>>                   last-boot-record ( RO): <expensive field>
>>                        resident-on ( RO): <not in database>
>>                           affinity ( RW):
>>     288977fd-1836-475a-9109-7f2e68ccae1e
>>                       other-config (MRW): import_task:
>>     OpaqueRef:495fd90f-8b8a-96b8-ca22-5c9ff4d427b8; mac_seed:
>>     709328f5-aca8-3c87-bb3b-de81d2aab3d5; install-methods: cdrom
>>                             dom-id ( RO): -1
>>                    recommendations ( RO): <restrictions><restriction
>>     field="memory-static-max" max="34359738368" /><restriction
>>     field="vcpus-max" max="8" /><restriction
>>     property="number-of-vbds" max="7" /><restriction
>>     property="number-of-vifs" max="7" /></restrictions>
>>                      xenstore-data (MRW):
>>                      ha-always-run ( RW): false
>>                ha-restart-priority ( RW):
>>                              blobs ( RO):
>>                         start-time ( RO): 19700101T00:00:00Z
>>                       install-time ( RO): 19700101T00:00:00Z
>>                       VCPUs-number ( RO): 0
>>                  VCPUs-utilisation (MRO): <expensive field>
>>                         os-version (MRO): <not in database>
>>                 PV-drivers-version (MRO): <not in database>
>>              PV-drivers-up-to-date ( RO): <not in database>
>>                             memory (MRO): <not in database>
>>                              disks (MRO): <not in database>
>>                           networks (MRO): <not in database>
>>                              other (MRO): <not in database>
>>                               live ( RO): <not in database>
>>         guest-metrics-last-updated ( RO): <not in database>
>>                        cooperative ( RO): <expensive field>
>>                  protection-policy ( RW): <not in database>
>>              is-snapshot-from-vmpp ( RO): false
>>                               tags (SRW):
>>
>>     On Thu, Dec 8, 2011 at 1:16 AM, Joseph Hom <jhom@softlayer.com
>>     <mailto:jhom@softlayer.com>> wrote:
>>
>>         Also if you can please post your menu.lst or grub.cfg from
>>         the domU.
>>
>>         *From:*xen-users-bounces@lists.xensource.com
>>         <mailto:xen-users-bounces@lists.xensource.com>
>>         [mailto:xen-users-bounces@lists.xensource.com
>>         <mailto:xen-users-bounces@lists.xensource.com>] *On Behalf Of
>>         *George Shuklin
>>         *Sent:* Wednesday, December 07, 2011 7:02 AM
>>         *To:* xen-users@lists.xensource.com
>>         <mailto:xen-users@lists.xensource.com>
>>         *Subject:* Re: [Xen-users] DomU pygrub issue - OSS Xen to XCP
>>
>>         Post all PV  fields of VM (xe vm-list params and copypaste
>>         all fields with PV in name). Looks like you having bad
>>         settings for PV-bootloader(-args).
>>
>>         On 07.12.2011 11:35, Johnny Tao wrote:
>>
>>         Hi, All
>>
>>         I'm just new to this list, I'm started to dealing with OSS
>>         Xen to XCP migration earlier this week, seem the domUs
>>         installed via virt-install are function well,
>>
>>         but domUs copied via dom0 are failed during bootup process,
>>         finally I realize if I could fix this on my OSS Xen will
>>         resolve all.
>>
>>         Can I have any suggestion from you please ?
>>
>>         *Details*
>>
>>         _Source XenHost_
>>
>>         OS: CentOS 5.7 64Bit
>>
>>         XEN: xen-3.0.3-132.el5
>>
>>         _Target XenHost_
>>
>>         OS: XCP 1.1
>>
>>         XEN: xen-hypervisor-3.4.2-1.1.0.704.20055
>>
>>         *Error Msg*
>>
>>         Traceback (most recent call last):
>>
>>           File "/usr/bin/pygrub", line 693, in ?
>>
>>             data = fs.open_file(chosencfg["kernel"]).read()
>>
>>         IOError: [Errno 2] No such file or directory
>>
>>         Thanks
>>
>>         -Johnny
>>
>>
>>
>>
>>         _______________________________________________
>>
>>         Xen-users mailing list
>>
>>         Xen-users@lists.xensource.com  <mailto:Xen-users@lists.xensource.com>
>>
>>         http://lists.xensource.com/xen-users
>>
>>
>>         _______________________________________________
>>         Xen-users mailing list
>>         Xen-users@lists.xensource.com
>>         <mailto:Xen-users@lists.xensource.com>
>>         http://lists.xensource.com/xen-users
>>
>>
>
>
>     _______________________________________________
>     Xen-users mailing list
>     Xen-users@lists.xensource.com <mailto:Xen-users@lists.xensource.com>
>     http://lists.xensource.com/xen-users
>
>


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    If you just want to boot somehow VM, just use external kernel. It
    will be not really comfortable, but allow to configure domU from
    domU.<br>
    <br>
    On 08.12.2011 07:33, Johnny Tao wrote:
    <blockquote
cite="mid:CABVfK+3gvx4_XSKsGW-Ctzj=z8+jG_Qkbw_wc_VkHmtXf0fRTQ@mail.gmail.com"
      type="cite">George<br>
      <br>
      Thanks for quick response, have you successfully installed grub on
      such kind of my domU and bootup into OS?<br>
      <br>
      Seems it doesn't' work for me to install pygrub according to this
      wiki<br>
      <a moz-do-not-send="true" href="http://wiki.xen.org/wiki/PyGrub">http://wiki.xen.org/wiki/PyGrub</a><br>
      <br>
      Any ideas?<br>
      <br>
      <br>
      <br>
      <div class="gmail_quote">On Thu, Dec 8, 2011 at 10:58 AM, George
        Shuklin <span dir="ltr">&lt;<a moz-do-not-send="true"
            href="mailto:george.shuklin@gmail.com">george.shuklin@gmail.com</a>&gt;</span>
        wrote:<br>
        <blockquote class="gmail_quote" style="margin:0 0 0
          .8ex;border-left:1px #ccc solid;padding-left:1ex;">
          <div text="#000000" bgcolor="#FFFFFF"> You have no bootloader
            and what how you expect virtual machine to boot?<br>
            <br>
            Chroot to domU filesystem, install grub. Or use
            PV-kernel/PV-ramdisk/PV-args variables to boot kernel from
            'outside' domU (they must resides in /boot/guest of XCP
            dom0).
            <div>
              <div class="h5"><br>
                <br>
                On 08.12.2011 06:45, Johnny Tao wrote:
                <blockquote type="cite">George &amp; Joseph <br>
                  <br>
                  Thanks for your response , since this domU copied from
                  dom0 and has no a grub on it, although I give other
                  try to installed kernel-xen and grub manually on OSS&nbsp;
                  Xen Host, which still being stuck to start up.Do I
                  need fix the grub installation first on OSS Xen Host
                  and then start migration ?<br>
                  <br>
                  With many thanks <br>
                  <br>
                  Check info below reference <br>
                  <br>
                  <b><i>xm creatc -c /etc/xen/demo - OSS Xen Host</i></b><br>
                  <br>
                  Traceback (most recent call last):<br>
                  &nbsp; File "/usr/bin/pygrub", line 693, in ?<br>
                  &nbsp;&nbsp;&nbsp; data = fs.open_file(chosencfg["kernel"]).read()<br>
                  IOError: [Errno 2] No such file or directory<br>
                  No handlers could be found for logger "xend"<br>
                  Error: Boot loader didn't return any data!<br>
                  Usage: xm create &lt;ConfigFile&gt; [options] [vars]<br>
                  <br>
                  <b><i>xe vm-list params&nbsp; - XCP Xen Host</i></b><br>
                  <br>
                  uuid ( RO)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; :
                  47dc79b3-e763-8712-8769-49bbbf9dc7ec<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; name-label ( RW): demo_old<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; name-description ( RW): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; user-version ( RW): 1<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; is-a-template ( RW): false<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; is-a-snapshot ( RO): false<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; snapshot-of ( RO): &lt;not in
                  database&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; snapshots ( RO): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; snapshot-time ( RO):
                  19700101T00:00:00Z<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; snapshot-info ( RO): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; parent ( RO): &lt;not in
                  database&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; children ( RO): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; is-control-domain ( RO): false<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; power-state ( RO): halted<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory-actual ( RO): 0<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory-target ( RO): &lt;expensive
                  field&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory-overhead ( RO): 4194304<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory-static-max ( RW): 268435456<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory-dynamic-max ( RW): 268435456<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory-dynamic-min ( RW): 268435456<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory-static-min ( RW): 16777216<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; suspend-VDI-uuid ( RO): &lt;not in
                  database&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; VCPUs-params (MRW): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; VCPUs-max ( RW): 1<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; VCPUs-at-startup ( RW): 1<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; actions-after-shutdown ( RW): Destroy<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; actions-after-reboot ( RW): Restart<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; actions-after-crash ( RW): Restart<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; console-uuids (SRO): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; platform (MRW): nx: false; acpi:
                  true; apic: true; pae: true; viridian: true<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; allowed-operations (SRO):
                  changing_dynamic_range; changing_static_range;
                  make_into_template; destroy; export; start_on; start;
                  clone; copy; snapshot<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; current-operations (SRO): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; blocked-operations (MRW): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; allowed-VBD-devices (SRO): &lt;expensive
                  field&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; allowed-VIF-devices (SRO): &lt;expensive
                  field&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; possible-hosts ( RO): &lt;expensive
                  field&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; HVM-boot-policy ( RW): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; HVM-boot-params (MRW): order: <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; HVM-shadow-multiplier ( RW): 1.000<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-kernel ( RW): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-ramdisk ( RW): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-args ( RW): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-legacy-args ( RW): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-bootloader ( RW): pygrub<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-bootloader-args ( RW): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; last-boot-CPU-flags ( RO): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; last-boot-record ( RO): &lt;expensive
                  field&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; resident-on ( RO): &lt;not in
                  database&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; affinity ( RW):
                  288977fd-1836-475a-9109-7f2e68ccae1e<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; other-config (MRW): import_task:
                  OpaqueRef:495fd90f-8b8a-96b8-ca22-5c9ff4d427b8;
                  mac_seed: 709328f5-aca8-3c87-bb3b-de81d2aab3d5;
                  install-methods: cdrom<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; dom-id ( RO): -1<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; recommendations ( RO):
                  &lt;restrictions&gt;&lt;restriction
                  field="memory-static-max" max="34359738368"
                  /&gt;&lt;restriction field="vcpus-max" max="8"
                  /&gt;&lt;restriction property="number-of-vbds" max="7"
                  /&gt;&lt;restriction property="number-of-vifs" max="7"
                  /&gt;&lt;/restrictions&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; xenstore-data (MRW): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ha-always-run ( RW): false<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ha-restart-priority ( RW): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; blobs ( RO): <br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; start-time ( RO):
                  19700101T00:00:00Z<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; install-time ( RO):
                  19700101T00:00:00Z<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; VCPUs-number ( RO): 0<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; VCPUs-utilisation (MRO): &lt;expensive
                  field&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; os-version (MRO): &lt;not in
                  database&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-drivers-version (MRO): &lt;not in
                  database&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PV-drivers-up-to-date ( RO): &lt;not in
                  database&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; memory (MRO): &lt;not in
                  database&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; disks (MRO): &lt;not in
                  database&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; networks (MRO): &lt;not in
                  database&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; other (MRO): &lt;not in
                  database&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; live ( RO): &lt;not in
                  database&gt;<br>
                  &nbsp;&nbsp;&nbsp; guest-metrics-last-updated ( RO): &lt;not in
                  database&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; cooperative ( RO): &lt;expensive
                  field&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; protection-policy ( RW): &lt;not in
                  database&gt;<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; is-snapshot-from-vmpp ( RO): false<br>
                  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; tags (SRW): <br>
                  <br>
                  <div class="gmail_quote">On Thu, Dec 8, 2011 at 1:16
                    AM, Joseph Hom <span dir="ltr">&lt;<a
                        moz-do-not-send="true"
                        href="mailto:jhom@softlayer.com" target="_blank">jhom@softlayer.com</a>&gt;</span>
                    wrote:<br>
                    <blockquote class="gmail_quote" style="margin:0 0 0
                      .8ex;border-left:1px #ccc solid;padding-left:1ex">
                      <div bgcolor="white" link="blue" vlink="purple"
                        lang="EN-US">
                        <div>
                          <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">Also

                              if you can please post your menu.lst or
                              grub.cfg from the domU.</span></p>
                          <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:&quot;Calibri&quot;,&quot;sans-serif&quot;;color:#1f497d">&nbsp;</span></p>
                          <div>
                            <div style="border:none;border-top:solid
                              #b5c4df 1.0pt;padding:3.0pt 0in 0in 0in">
                              <p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:windowtext">From:</span></b><span
style="font-size:10.0pt;font-family:&quot;Tahoma&quot;,&quot;sans-serif&quot;;color:windowtext">
                                  <a moz-do-not-send="true"
                                    href="mailto:xen-users-bounces@lists.xensource.com"
                                    target="_blank">xen-users-bounces@lists.xensource.com</a>
                                  [mailto:<a moz-do-not-send="true"
                                    href="mailto:xen-users-bounces@lists.xensource.com"
                                    target="_blank">xen-users-bounces@lists.xensource.com</a>]
                                  <b>On Behalf Of </b>George Shuklin<br>
                                  <b>Sent:</b> Wednesday, December 07,
                                  2011 7:02 AM<br>
                                  <b>To:</b> <a moz-do-not-send="true"
href="mailto:xen-users@lists.xensource.com" target="_blank">xen-users@lists.xensource.com</a><br>
                                  <b>Subject:</b> Re: [Xen-users] DomU
                                  pygrub issue - OSS Xen to XCP</span></p>
                            </div>
                          </div>
                          <div>
                            <div>
                              <p class="MsoNormal">&nbsp;</p>
                              <p class="MsoNormal">Post all PV&nbsp; fields
                                of VM (xe vm-list params and copypaste
                                all fields with PV in name). Looks like
                                you having bad settings for
                                PV-bootloader(-args).<br>
                                <br>
                                On 07.12.2011 11:35, Johnny Tao wrote: </p>
                              <p class="MsoNormal">Hi, All </p>
                              <div>
                                <p class="MsoNormal">&nbsp;</p>
                              </div>
                              <div>
                                <p class="MsoNormal">I'm just new to
                                  this list, I'm started to dealing with
                                  OSS Xen to XCP migration earlier this
                                  week, seem the domUs installed via
                                  virt-install are function well,</p>
                              </div>
                              <div>
                                <p class="MsoNormal">but domUs copied
                                  via dom0 are failed during bootup
                                  process, finally I&nbsp;<span><span
style="font-size:9.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">realize

                                      if I could fix this on my OSS Xen
                                      will resolve all.&nbsp;</span></span></p>
                              </div>
                              <div>
                                <div>
                                  <div>
                                    <p class="MsoNormal"><span
                                        style="font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">Can

                                        I have any suggestion from you
                                        please ?</span></p>
                                  </div>
                                </div>
                                <div>
                                  <p class="MsoNormal"><span
                                      style="font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">&nbsp;</span></p>
                                </div>
                              </div>
                              <div>
                                <p class="MsoNormal">&nbsp;</p>
                              </div>
                              <div>
                                <p class="MsoNormal"><b>Details</b></p>
                              </div>
                              <div>
                                <p class="MsoNormal">&nbsp;</p>
                              </div>
                              <div>
                                <p class="MsoNormal"><u>Source XenHost</u></p>
                              </div>
                              <div>
                                <p class="MsoNormal">OS: CentOS 5.7
                                  64Bit</p>
                              </div>
                              <div>
                                <p class="MsoNormal">XEN:&nbsp;xen-3.0.3-132.el5</p>
                              </div>
                              <div>
                                <p class="MsoNormal">&nbsp;</p>
                              </div>
                              <div>
                                <p class="MsoNormal"><u>Target XenHost</u></p>
                              </div>
                              <div>
                                <p class="MsoNormal">OS: XCP 1.1</p>
                              </div>
                              <div>
                                <p class="MsoNormal">XEN:&nbsp;xen-hypervisor-3.4.2-1.1.0.704.20055</p>
                              </div>
                              <div>
                                <p class="MsoNormal">&nbsp;</p>
                              </div>
                              <div>
                                <p class="MsoNormal"><b>Error Msg</b></p>
                              </div>
                              <div>
                                <p class="MsoNormal">&nbsp;</p>
                              </div>
                              <div>
                                <div>
                                  <p class="MsoNormal">Traceback (most
                                    recent call last):</p>
                                </div>
                                <div>
                                  <p class="MsoNormal">&nbsp; File
                                    "/usr/bin/pygrub", line 693, in ?</p>
                                </div>
                                <div>
                                  <p class="MsoNormal">&nbsp; &nbsp; data =
                                    fs.open_file(chosencfg["kernel"]).read()</p>
                                </div>
                                <div>
                                  <p class="MsoNormal">IOError: [Errno
                                    2] No such file or directory</p>
                                </div>
                              </div>
                              <div>
                                <p class="MsoNormal">&nbsp;</p>
                              </div>
                              <div>
                                <p class="MsoNormal">Thanks&nbsp;</p>
                              </div>
                              <div>
                                <p class="MsoNormal">&nbsp;</p>
                              </div>
                              <div>
                                <p class="MsoNormal">-Johnny</p>
                              </div>
                              <div>
                                <p class="MsoNormal">&nbsp;</p>
                              </div>
                              <div>
                                <p class="MsoNormal">&nbsp;</p>
                              </div>
                              <div>
                                <p class="MsoNormal">&nbsp;</p>
                              </div>
                              <div>
                                <p class="MsoNormal">&nbsp;</p>
                              </div>
                              <p class="MsoNormal"><br>
                                <br>
                                <br>
                              </p>
                              <pre>_______________________________________________</pre>
                              <pre>Xen-users mailing list</pre>
                              <pre><a moz-do-not-send="true" href="mailto:Xen-users@lists.xensource.com" target="_blank">Xen-users@lists.xensource.com</a></pre>
                              <pre><a moz-do-not-send="true" href="http://lists.xensource.com/xen-users" target="_blank">http://lists.xensource.com/xen-users</a></pre>
                              <p class="MsoNormal">&nbsp;</p>
                            </div>
                          </div>
                        </div>
                      </div>
                      <br>
                      _______________________________________________<br>
                      Xen-users mailing list<br>
                      <a moz-do-not-send="true"
                        href="mailto:Xen-users@lists.xensource.com"
                        target="_blank">Xen-users@lists.xensource.com</a><br>
                      <a moz-do-not-send="true"
                        href="http://lists.xensource.com/xen-users"
                        target="_blank">http://lists.xensource.com/xen-users</a><br>
                    </blockquote>
                  </div>
                  <br>
                </blockquote>
                <br>
              </div>
            </div>
          </div>
          <br>
          _______________________________________________<br>
          Xen-users mailing list<br>
          <a moz-do-not-send="true"
            href="mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.com</a><br>
          <a moz-do-not-send="true"
            href="http://lists.xensource.com/xen-users" target="_blank">http://lists.xensource.com/xen-users</a><br>
        </blockquote>
      </div>
      <br>
    </blockquote>
    <br>
  </body>
</html>

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From: "Fajar A. Nugraha" <list@fajar.net>
To: Johnny Tao <johnnybeijing@gmail.com>
Cc: George Shuklin <george.shuklin@gmail.com>,
	"xen-users@lists.xensource.com" <xen-users@lists.xensource.com>
Subject: Re: [Xen-users] DomU pygrub issue - OSS Xen to XCP
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On Thu, Dec 8, 2011 at 10:33 AM, Johnny Tao <johnnybeijing@gmail.com> wrote:
> George
>
> Thanks for quick response, have you successfully installed grub on such kind
> of my domU and bootup into OS?
>
> Seems it doesn't' work for me to install pygrub according to this wiki
> http://wiki.xen.org/wiki/PyGrub

That wiki is not completely accurate.

pygrub simply reads /boot/grub/menu.lst (or /boot/grub/grub.conf, or
/boot/grub/grub.cfg for grub2). So you don't need to actually have
grub installed. You only need the correct config file. You can start
by copying existing server's config file.

Also, you have this log
Traceback (most recent call last):
  File "/usr/bin/pygrub", line 693, in ?
    data = fs.open_file(chosencfg["kernel"]).read()

does /usr/bin/pygrub exists on your dom0?

-- 
Fajar

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On Thu, Dec 8, 2011 at 10:33 AM, Johnny Tao <johnnybeijing@gmail.com> wrote:
> George
>
> Thanks for quick response, have you successfully installed grub on such kind
> of my domU and bootup into OS?
>
> Seems it doesn't' work for me to install pygrub according to this wiki
> http://wiki.xen.org/wiki/PyGrub

That wiki is not completely accurate.

pygrub simply reads /boot/grub/menu.lst (or /boot/grub/grub.conf, or
/boot/grub/grub.cfg for grub2). So you don't need to actually have
grub installed. You only need the correct config file. You can start
by copying existing server's config file.

Also, you have this log
Traceback (most recent call last):
  File "/usr/bin/pygrub", line 693, in ?
    data = fs.open_file(chosencfg["kernel"]).read()

does /usr/bin/pygrub exists on your dom0?

-- 
Fajar

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From: Johnny Tao <johnnybeijing@gmail.com>
To: "Fajar A. Nugraha" <list@fajar.net>
Cc: George Shuklin <george.shuklin@gmail.com>,
	"xen-users@lists.xensource.com" <xen-users@lists.xensource.com>
Subject: Re: [Xen-users] DomU pygrub issue - OSS Xen to XCP
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Failar

Thanks for  your reply,
You are right , actually /usr/bin/pygrub is exists on dom0, seems my dom0
got many stuck issues also in HVM mode,is possible my xen version is too
old?Anyway I will keeping try to address what issue is.

WIth many thanks

On Thu, Dec 8, 2011 at 3:31 PM, Fajar A. Nugraha <list@fajar.net> wrote:

> On Thu, Dec 8, 2011 at 10:33 AM, Johnny Tao <johnnybeijing@gmail.com>
> wrote:
> > George
> >
> > Thanks for quick response, have you successfully installed grub on such
> kind
> > of my domU and bootup into OS?
> >
> > Seems it doesn't' work for me to install pygrub according to this wiki
> > http://wiki.xen.org/wiki/PyGrub
>
> That wiki is not completely accurate.
>
> pygrub simply reads /boot/grub/menu.lst (or /boot/grub/grub.conf, or
> /boot/grub/grub.cfg for grub2). So you don't need to actually have
> grub installed. You only need the correct config file. You can start
> by copying existing server's config file.
>
> Also, you have this log
> Traceback (most recent call last):
>  File "/usr/bin/pygrub", line 693, in ?
>    data = fs.open_file(chosencfg["kernel"]).read()
>
> does /usr/bin/pygrub exists on your dom0?
>
> --
> Fajar
>

--20cf307ac009260af804b3905b80
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Failar <br><br>Thanks for=A0 your reply, <br>You are right , actually /usr/=
bin/pygrub is exists on dom0, seems my dom0 got many stuck issues also in H=
VM mode,is possible my xen version is too old?Anyway I will keeping try to =
address what issue is.<br>
<br>WIth many thanks<br><br><div class=3D"gmail_quote">On Thu, Dec 8, 2011 =
at 3:31 PM, Fajar A. Nugraha <span dir=3D"ltr">&lt;<a href=3D"mailto:list@f=
ajar.net">list@fajar.net</a>&gt;</span> wrote:<br><blockquote class=3D"gmai=
l_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left=
:1ex;">
<div class=3D"im">On Thu, Dec 8, 2011 at 10:33 AM, Johnny Tao &lt;<a href=
=3D"mailto:johnnybeijing@gmail.com">johnnybeijing@gmail.com</a>&gt; wrote:<=
br>
&gt; George<br>
&gt;<br>
&gt; Thanks for quick response, have you successfully installed grub on suc=
h kind<br>
&gt; of my domU and bootup into OS?<br>
&gt;<br>
&gt; Seems it doesn&#39;t&#39; work for me to install pygrub according to t=
his wiki<br>
&gt; <a href=3D"http://wiki.xen.org/wiki/PyGrub" target=3D"_blank">http://w=
iki.xen.org/wiki/PyGrub</a><br>
<br>
</div>That wiki is not completely accurate.<br>
<br>
pygrub simply reads /boot/grub/menu.lst (or /boot/grub/grub.conf, or<br>
/boot/grub/grub.cfg for grub2). So you don&#39;t need to actually have<br>
grub installed. You only need the correct config file. You can start<br>
by copying existing server&#39;s config file.<br>
<br>
Also, you have this log<br>
<div class=3D"im">Traceback (most recent call last):<br>
 =A0File &quot;/usr/bin/pygrub&quot;, line 693, in ?<br>
 =A0 =A0data =3D fs.open_file(chosencfg[&quot;kernel&quot;]).read()<br>
<br>
</div>does /usr/bin/pygrub exists on your dom0?<br>
<span class=3D"HOEnZb"><font color=3D"#888888"><br>
--<br>
Fajar<br>
</font></span></blockquote></div><br>

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From: Johnny Tao <johnnybeijing@gmail.com>
To: "Fajar A. Nugraha" <list@fajar.net>
Cc: George Shuklin <george.shuklin@gmail.com>,
	"xen-users@lists.xensource.com" <xen-users@lists.xensource.com>
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Failar

Thanks for  your reply,
You are right , actually /usr/bin/pygrub is exists on dom0, seems my dom0
got many stuck issues also in HVM mode,is possible my xen version is too
old?Anyway I will keeping try to address what issue is.

WIth many thanks

On Thu, Dec 8, 2011 at 3:31 PM, Fajar A. Nugraha <list@fajar.net> wrote:

> On Thu, Dec 8, 2011 at 10:33 AM, Johnny Tao <johnnybeijing@gmail.com>
> wrote:
> > George
> >
> > Thanks for quick response, have you successfully installed grub on such
> kind
> > of my domU and bootup into OS?
> >
> > Seems it doesn't' work for me to install pygrub according to this wiki
> > http://wiki.xen.org/wiki/PyGrub
>
> That wiki is not completely accurate.
>
> pygrub simply reads /boot/grub/menu.lst (or /boot/grub/grub.conf, or
> /boot/grub/grub.cfg for grub2). So you don't need to actually have
> grub installed. You only need the correct config file. You can start
> by copying existing server's config file.
>
> Also, you have this log
> Traceback (most recent call last):
>  File "/usr/bin/pygrub", line 693, in ?
>    data = fs.open_file(chosencfg["kernel"]).read()
>
> does /usr/bin/pygrub exists on your dom0?
>
> --
> Fajar
>

--20cf307ac009260af804b3905b80
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Failar <br><br>Thanks for=A0 your reply, <br>You are right , actually /usr/=
bin/pygrub is exists on dom0, seems my dom0 got many stuck issues also in H=
VM mode,is possible my xen version is too old?Anyway I will keeping try to =
address what issue is.<br>
<br>WIth many thanks<br><br><div class=3D"gmail_quote">On Thu, Dec 8, 2011 =
at 3:31 PM, Fajar A. Nugraha <span dir=3D"ltr">&lt;<a href=3D"mailto:list@f=
ajar.net">list@fajar.net</a>&gt;</span> wrote:<br><blockquote class=3D"gmai=
l_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left=
:1ex;">
<div class=3D"im">On Thu, Dec 8, 2011 at 10:33 AM, Johnny Tao &lt;<a href=
=3D"mailto:johnnybeijing@gmail.com">johnnybeijing@gmail.com</a>&gt; wrote:<=
br>
&gt; George<br>
&gt;<br>
&gt; Thanks for quick response, have you successfully installed grub on suc=
h kind<br>
&gt; of my domU and bootup into OS?<br>
&gt;<br>
&gt; Seems it doesn&#39;t&#39; work for me to install pygrub according to t=
his wiki<br>
&gt; <a href=3D"http://wiki.xen.org/wiki/PyGrub" target=3D"_blank">http://w=
iki.xen.org/wiki/PyGrub</a><br>
<br>
</div>That wiki is not completely accurate.<br>
<br>
pygrub simply reads /boot/grub/menu.lst (or /boot/grub/grub.conf, or<br>
/boot/grub/grub.cfg for grub2). So you don&#39;t need to actually have<br>
grub installed. You only need the correct config file. You can start<br>
by copying existing server&#39;s config file.<br>
<br>
Also, you have this log<br>
<div class=3D"im">Traceback (most recent call last):<br>
 =A0File &quot;/usr/bin/pygrub&quot;, line 693, in ?<br>
 =A0 =A0data =3D fs.open_file(chosencfg[&quot;kernel&quot;]).read()<br>
<br>
</div>does /usr/bin/pygrub exists on your dom0?<br>
<span class=3D"HOEnZb"><font color=3D"#888888"><br>
--<br>
Fajar<br>
</font></span></blockquote></div><br>

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Subject: Re: [Xen-users] XCP 1.5 availability
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(Added xen-api list to CC.)

On 06/12/11 19:57, Enzo Lombardi wrote:
> Is there any nightly build, dev build, morning build of XCP 1.5?
> I saw a message mentioning "end of September", what happened to this
> release? What is the delay and what does the schedule looks like?

Hi Enzo,

We had hoped for a September beta at one point, but clearly this hasn't
happened. We're currently aiming for a January alpha release. The delays
have been due to our focus on Project Kronos, where we are porting the
XCP toolstack to run on Debian and Ubuntu. The core XCP team consists of
only two people, and Kronos turned out to be quite a time consuming
project. At the same time, we are still committed to providing the
traditional XCP "appliance", as well as XCP on Debian and Ubuntu.

The problem with the XCP appliance and it's slow releases is mainly due
to our internal build system. In the past, the XCP team has had to do a
lot of manual work to convert each XenServer release into an XCP
release. Over the last year we have been tweaking our build system, and
parts of our toolstack code, to do this work for us.

The last bits of this work are almost complete. Once they are complete,
we will be able to start providing regular development snapshots of XCP,
and will be able to provide a more regular release cadence. Until this
work is complete, we don't feel that it would be worthwhile to release
an alpha of XCP 1.5, because we know it will be broken, due to the
incompleteness of our build system and toolstack changes.

I'm sorry again for the delay to XCP 1.5. We hope that the work we're
doing pays off in that future releases won't be so delayed, and
development snapshots will finally be possible. Thanks for the continued
interest in XCP.

Mike

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On 06/12/11 19:57, Enzo Lombardi wrote:
> Is there any nightly build, dev build, morning build of XCP 1.5?
> I saw a message mentioning "end of September", what happened to this
> release? What is the delay and what does the schedule looks like?

Hi Enzo,

We had hoped for a September beta at one point, but clearly this hasn't
happened. We're currently aiming for a January alpha release. The delays
have been due to our focus on Project Kronos, where we are porting the
XCP toolstack to run on Debian and Ubuntu. The core XCP team consists of
only two people, and Kronos turned out to be quite a time consuming
project. At the same time, we are still committed to providing the
traditional XCP "appliance", as well as XCP on Debian and Ubuntu.

The problem with the XCP appliance and it's slow releases is mainly due
to our internal build system. In the past, the XCP team has had to do a
lot of manual work to convert each XenServer release into an XCP
release. Over the last year we have been tweaking our build system, and
parts of our toolstack code, to do this work for us.

The last bits of this work are almost complete. Once they are complete,
we will be able to start providing regular development snapshots of XCP,
and will be able to provide a more regular release cadence. Until this
work is complete, we don't feel that it would be worthwhile to release
an alpha of XCP 1.5, because we know it will be broken, due to the
incompleteness of our build system and toolstack changes.

I'm sorry again for the delay to XCP 1.5. We hope that the work we're
doing pays off in that future releases won't be so delayed, and
development snapshots will finally be possible. Thanks for the continued
interest in XCP.

Mike

_______________________________________________
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http://lists.xensource.com/xen-users

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(Added xen-api list as CC)

On 07/12/11 04:42, Admin@DotComPower.com wrote:
> I have Kronos setup fine. I have installed open-iscsi and setup the system
> as an initiator. However, I cannot seem to get xapi to allow me to setup the
> target as an SR. I was trying to use XenCenter but go nowhere. So I tried
> adding it manually and here is what I got:
> 
<snip>
> OSError: [Errno 2] No such file or directory
> 
> Does the current xapi have remote SR capability built into it yet?
> 

iSCSI SR built in? Yes. Working? Apparently not. We haven't tested this
SR type yet, and it seems that you've found a bug for us. Thanks!

The "No such file" error makes me hopeful that this will be trivia one
to fix, but I'll have to repro this myself before I know.

> If not, is it possible to set the SR as LVM and have it set to share=true so
> that I can still have the benefits of live migrations etc?
> 

Yes, that should be possible. NFS is the SR that we've tested the most
so far. Let us know how this works for you.

Mike

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(Added xen-api list as CC)

On 07/12/11 04:42, Admin@DotComPower.com wrote:
> I have Kronos setup fine. I have installed open-iscsi and setup the system
> as an initiator. However, I cannot seem to get xapi to allow me to setup the
> target as an SR. I was trying to use XenCenter but go nowhere. So I tried
> adding it manually and here is what I got:
> 
<snip>
> OSError: [Errno 2] No such file or directory
> 
> Does the current xapi have remote SR capability built into it yet?
> 

iSCSI SR built in? Yes. Working? Apparently not. We haven't tested this
SR type yet, and it seems that you've found a bug for us. Thanks!

The "No such file" error makes me hopeful that this will be trivia one
to fix, but I'll have to repro this myself before I know.

> If not, is it possible to set the SR as LVM and have it set to share=true so
> that I can still have the benefits of live migrations etc?
> 

Yes, that should be possible. NFS is the SR that we've tested the most
so far. Let us know how this works for you.

Mike

_______________________________________________
Xen-users mailing list
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http://lists.xensource.com/xen-users

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On 7 December 2011 22:59, jim burns <jim_burn@bellsouth.net> wrote:
> It does for me. 'startx' usually will give you some problems. You could try
> 'startkde', but first: Do a 'chkconfig xdm --list', and make sure there are
> 'on' entries in the output. If not, you can do (as root) 'chkconfig xdm on',
> then 'rcxdm start', which is preferable to even startkde. (Actually, as root,
> do 'rcxdm stop', then '/bin/ps a -HA|grep kdm', and check for a pid to use
> with kill. Sometimes kdm doesn't exit cleanly. Then do 'rcxdm start'.)
OK, thanks

On 8 December 2011 05:56, jim burns <jim_burn@bellsouth.net> wrote:
> Ok - back to the hvm install, and converting it to a pv domu. Actually, all
> the heavy lifting has already been done in the hvm install and the pv install.
> Only three things need to be done for the conversion:
> [...]
OK, in this moment though, I don't want to put myself in the hvm to pv
conversion hell! :P If I can have success with a "plain" PV setup it is better
for me. Anyway, I want to do things once at time. I want to resort to this
conversion as a last hope, when the PV setups attempts failed them all.

>
> I left the stanza for the -default kernel as it was originally from the hvm
> install. (Yeah, the hvm install only installed the -desktop version of the
> kernel. I installed the other two with zypper, and upgraded the -desktop
> kernel. This doesn't change the discussion about /dev/disk/by-uuid.)
Ok, actually it is the same kernel-xen I've tried to setup with zypper as well,
on my previous hvm install. Of course it's not the same thing as the PV.

>
> 3) And, finally, this is my xorg.conf:
Maybe I'll keep this, just in case it would be necessary in my new PV setup.

> This ServerLayout tells xorg to try both fbdev and cirrus, and decide which
> one is best.
ok

>
> The end result is exactly the same as the pv install we've been talking about.
> The resolution is just 800x600, and there is no mouse, despite Xorg.0.log
> saying the evdev driver found one. Oh, well - at least it's an interesting
> technical exercise. ;-)
:D

>
> I'm out of ideas on the mouse, and the pv resolution. If anyone has any ideas,
> feel free to chime in. :-)
I'm still in the long setup process.
35% now.
I will let you know.


-- 
Flavio

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From: Flavio <fbcyborg@gmail.com>
Date: Thu, 8 Dec 2011 11:23:58 +0100
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Subject: Re: [Xen-users] OpenSuse 11 hvm domU: screen resolution up to
	640x480
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On 7 December 2011 22:59, jim burns <jim_burn@bellsouth.net> wrote:
> It does for me. 'startx' usually will give you some problems. You could try
> 'startkde', but first: Do a 'chkconfig xdm --list', and make sure there are
> 'on' entries in the output. If not, you can do (as root) 'chkconfig xdm on',
> then 'rcxdm start', which is preferable to even startkde. (Actually, as root,
> do 'rcxdm stop', then '/bin/ps a -HA|grep kdm', and check for a pid to use
> with kill. Sometimes kdm doesn't exit cleanly. Then do 'rcxdm start'.)
OK, thanks

On 8 December 2011 05:56, jim burns <jim_burn@bellsouth.net> wrote:
> Ok - back to the hvm install, and converting it to a pv domu. Actually, all
> the heavy lifting has already been done in the hvm install and the pv install.
> Only three things need to be done for the conversion:
> [...]
OK, in this moment though, I don't want to put myself in the hvm to pv
conversion hell! :P If I can have success with a "plain" PV setup it is better
for me. Anyway, I want to do things once at time. I want to resort to this
conversion as a last hope, when the PV setups attempts failed them all.

>
> I left the stanza for the -default kernel as it was originally from the hvm
> install. (Yeah, the hvm install only installed the -desktop version of the
> kernel. I installed the other two with zypper, and upgraded the -desktop
> kernel. This doesn't change the discussion about /dev/disk/by-uuid.)
Ok, actually it is the same kernel-xen I've tried to setup with zypper as well,
on my previous hvm install. Of course it's not the same thing as the PV.

>
> 3) And, finally, this is my xorg.conf:
Maybe I'll keep this, just in case it would be necessary in my new PV setup.

> This ServerLayout tells xorg to try both fbdev and cirrus, and decide which
> one is best.
ok

>
> The end result is exactly the same as the pv install we've been talking about.
> The resolution is just 800x600, and there is no mouse, despite Xorg.0.log
> saying the evdev driver found one. Oh, well - at least it's an interesting
> technical exercise. ;-)
:D

>
> I'm out of ideas on the mouse, and the pv resolution. If anyone has any ideas,
> feel free to chime in. :-)
I'm still in the long setup process.
35% now.
I will let you know.


-- 
Flavio

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Cc: xen-users@lists.xensource.com, "Fajar A. Nugraha" <list@fajar.net>
Subject: Re: [Xen-users] OpenSuse 11 hvm domU: screen resolution up to
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On 8 December 2011 11:23, Flavio <fbcyborg@gmail.com> wrote:
> I'm still in the long setup process.
> 35% now.
> I will let you know.
OK, I've finished the installation but KDM (and so KDE) doesn't start.
What I can see in the vnc viewer is this: http://goo.gl/z9CaX
But the system starts... if I do xl create opensuse12.cfg -c and I
can get the login screen.
Then if I want to "startkde", I have to perform the following command
into a shell on the dom0:
Xephyr -ac:1 -screen 1024x768

then in the domU:
export DISPLAY="domU_IP:1"
startkde

In this case, the mouse is working and the screen resolution is the
resolution I've set with Xephyr! Maybe this trick can be used even for the
hvm domU.

The only problem is that is very slow. But I think there are many other reasons
for that.

Cheers,
-- 
Flavio

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On 8 December 2011 11:23, Flavio <fbcyborg@gmail.com> wrote:
> I'm still in the long setup process.
> 35% now.
> I will let you know.
OK, I've finished the installation but KDM (and so KDE) doesn't start.
What I can see in the vnc viewer is this: http://goo.gl/z9CaX
But the system starts... if I do xl create opensuse12.cfg -c and I
can get the login screen.
Then if I want to "startkde", I have to perform the following command
into a shell on the dom0:
Xephyr -ac:1 -screen 1024x768

then in the domU:
export DISPLAY="domU_IP:1"
startkde

In this case, the mouse is working and the screen resolution is the
resolution I've set with Xephyr! Maybe this trick can be used even for the
hvm domU.

The only problem is that is very slow. But I think there are many other reasons
for that.

Cheers,
-- 
Flavio

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Subject: [Xen-users] synchronizing clock on pvops domU
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My dom0 systems all run ntpd to keep their clock synchronized, and I just noticed my domU systems all have a little different clock, and that happens right after boot. IE, right after xm create domU, I did a quick'n'dirty check this way:

luca@dom0 ~ $ ssh domU "uptime; date"; date
Password: 
 16:11:31 up 0 min,  0 users,  load average: 0.43, 0.12, 0.04
Thu Dec  8 16:11:31 CET 2011
Thu Dec  8 16:09:57 CET 2011

My systems are running Xen-4.1.1, dom0 is using Xen Linux 2.6.38 (gentoo's xen-sources, back ported from Suse), domU is using Linux 3.0.11.

Everything is fully 64bit, in dom0 there's xen.independent_wallclock = 0, in domU there are no *xen* sysctls.
All domains are paravirtualized, not HVM. Both dom0 and domU show 'Switching to clocksource xen' in dmesg.

I don't know where the domU gets its time at startup, I'm guessing it's from the hypervisor and the hypervisor clock drifted away from the dom0 one? Anyway, doing an 'hwclock --systohc' in dom0 and restarting the domU doesn't change anything.

Ideally I'd want all clocks synchronized to the dom0 one, with NTPd taking care of keeping dom0 synchronized.
If that matters, we're planning an upgrade to Xen-4.1.2 but I don't know exactly when we'll be able to roll that out; we usually track upstream kernels for domU, and we'll look at the possibility to upgrade dom0 kernels to 3.1.x at a later time.

Any help would be appreciated, thanks.

--
Luca Lesinigo
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Subject: [Xen-users] synchronizing clock on pvops domU
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My dom0 systems all run ntpd to keep their clock synchronized, and I just noticed my domU systems all have a little different clock, and that happens right after boot. IE, right after xm create domU, I did a quick'n'dirty check this way:

luca@dom0 ~ $ ssh domU "uptime; date"; date
Password: 
 16:11:31 up 0 min,  0 users,  load average: 0.43, 0.12, 0.04
Thu Dec  8 16:11:31 CET 2011
Thu Dec  8 16:09:57 CET 2011

My systems are running Xen-4.1.1, dom0 is using Xen Linux 2.6.38 (gentoo's xen-sources, back ported from Suse), domU is using Linux 3.0.11.

Everything is fully 64bit, in dom0 there's xen.independent_wallclock = 0, in domU there are no *xen* sysctls.
All domains are paravirtualized, not HVM. Both dom0 and domU show 'Switching to clocksource xen' in dmesg.

I don't know where the domU gets its time at startup, I'm guessing it's from the hypervisor and the hypervisor clock drifted away from the dom0 one? Anyway, doing an 'hwclock --systohc' in dom0 and restarting the domU doesn't change anything.

Ideally I'd want all clocks synchronized to the dom0 one, with NTPd taking care of keeping dom0 synchronized.
If that matters, we're planning an upgrade to Xen-4.1.2 but I don't know exactly when we'll be able to roll that out; we usually track upstream kernels for domU, and we'll look at the possibility to upgrade dom0 kernels to 3.1.x at a later time.

Any help would be appreciated, thanks.

--
Luca Lesinigo
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Subject: Re: [Xen-users] OpenSuse 11 hvm domU: screen resolution up to
	640x480
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On Thu December 8 2011, 2:40:06 PM, Flavio wrote:
> On 8 December 2011 11:23, Flavio <fbcyborg@gmail.com> wrote:
> > I'm still in the long setup process.
> > 35% now.
> > I will let you know.
> 
> OK, I've finished the installation but KDM (and so KDE) doesn't start.
> What I can see in the vnc viewer is this: http://goo.gl/z9CaX
> But the system starts... if I do xl create opensuse12.cfg -c and I
> can get the login screen.
> Then if I want to "startkde", I have to perform the following command
> into a shell on the dom0:
> Xephyr -ac:1 -screen 1024x768

Interesting approach. I was going to suggest grabbing a vnc server package, 
and install it in your domu. Then when you want to connect, instead of 'xl 
vncviewer ...' (which connects to xen's builtin vnc server via the dom0's ip 
addr), you instead do 'vncviewer domu-ip-addr' to talk to the server in the 
domu. In my experience, this is slower than xen's builtin approach (other 
people on the list have said just the opposite), and a little glitchy in 
updating the display. I'll have to try this (Xephyr).

Another approach, if you ever get kde working on the domu, is to enable xdmcp 
logins from a remote computer. Then on the client, you do a 'switch user', in 
in the splash / login screen, click on the menu, and pick xdmcp login, and 
enter the domu ip addr in the box. If the domu has xdmcp enabled, you'll login 
at the full resolution of the client's screen.

Suse is kind of stiff in allowing enabling xdmcp. I'll have to review how to 
do it. Probably something in Yast.

> then in the domU:
> export DISPLAY="domU_IP:1"
> startkde

I think you mean "dom0_IP:1".

> In this case, the mouse is working and the screen resolution is the
> resolution I've set with Xephyr! Maybe this trick can be used even for the
> hvm domU.

Well, we've already gotten the hvm resolution up to 1024x768, which is what 
you are using with Xephyr above. But yes, it should work the same way except, 
kde is already working on the hvm install. You'd have to do a 'rcxdm stop', 
then 'export DISPLAY ...' and startkde.

And yes, the mouse would work. It's just like when you used ssh to login to 
the Yast install: you're using the mouse, keyboard & screen on the computer 
you login from with ssh (or Xephyr), not the ones on the domu. (X is a 
networking protocol. The program runs and does calculations on the domu, but 
sends display info over to the client - the dom0 in your case - and gets input 
- keyboard and mouse - from the client.)

> The only problem is that is very slow. But I think there are many other
> reasons for that.

One step forward, one step back. ;-)

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Subject: Re: [Xen-users] OpenSuse 11 hvm domU: screen resolution up to
	640x480
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On Thu December 8 2011, 2:40:06 PM, Flavio wrote:
> On 8 December 2011 11:23, Flavio <fbcyborg@gmail.com> wrote:
> > I'm still in the long setup process.
> > 35% now.
> > I will let you know.
> 
> OK, I've finished the installation but KDM (and so KDE) doesn't start.
> What I can see in the vnc viewer is this: http://goo.gl/z9CaX
> But the system starts... if I do xl create opensuse12.cfg -c and I
> can get the login screen.
> Then if I want to "startkde", I have to perform the following command
> into a shell on the dom0:
> Xephyr -ac:1 -screen 1024x768

Interesting approach. I was going to suggest grabbing a vnc server package, 
and install it in your domu. Then when you want to connect, instead of 'xl 
vncviewer ...' (which connects to xen's builtin vnc server via the dom0's ip 
addr), you instead do 'vncviewer domu-ip-addr' to talk to the server in the 
domu. In my experience, this is slower than xen's builtin approach (other 
people on the list have said just the opposite), and a little glitchy in 
updating the display. I'll have to try this (Xephyr).

Another approach, if you ever get kde working on the domu, is to enable xdmcp 
logins from a remote computer. Then on the client, you do a 'switch user', in 
in the splash / login screen, click on the menu, and pick xdmcp login, and 
enter the domu ip addr in the box. If the domu has xdmcp enabled, you'll login 
at the full resolution of the client's screen.

Suse is kind of stiff in allowing enabling xdmcp. I'll have to review how to 
do it. Probably something in Yast.

> then in the domU:
> export DISPLAY="domU_IP:1"
> startkde

I think you mean "dom0_IP:1".

> In this case, the mouse is working and the screen resolution is the
> resolution I've set with Xephyr! Maybe this trick can be used even for the
> hvm domU.

Well, we've already gotten the hvm resolution up to 1024x768, which is what 
you are using with Xephyr above. But yes, it should work the same way except, 
kde is already working on the hvm install. You'd have to do a 'rcxdm stop', 
then 'export DISPLAY ...' and startkde.

And yes, the mouse would work. It's just like when you used ssh to login to 
the Yast install: you're using the mouse, keyboard & screen on the computer 
you login from with ssh (or Xephyr), not the ones on the domu. (X is a 
networking protocol. The program runs and does calculations on the domu, but 
sends display info over to the client - the dom0 in your case - and gets input 
- keyboard and mouse - from the client.)

> The only problem is that is very slow. But I think there are many other
> reasons for that.

One step forward, one step back. ;-)

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Hi *,

   after some time without any response, I re-post my request for help.
I'll be grateful for any hint.

I have found some posts in various fora, but I couldn't find one with
a solution, so I post this problem (again?).

Trying to run X windows on Linux 3.1.1 Dom0 kernel under Xen 4.1.2
(built as http://slackbuilds.org/repository/13.37/system/xen/) on
Slackware 64-13.37. (The next step should be a HVM guest driven through
a vnc window from Dom0).

On the same kernel booted natively, all works fine; when booting under
Xen, Xorg does not start. The (relevant?) error messages that I find in
Xorg.0.log are

(WW) System lacks support for changing MTRRs
(EE) VESA(0): V_BIOS address 0x0 out of range

(the full diff of the respective Xorg.0.log-s is at
http://camelot.lf2.cuni.cz/vejvalka/posts/xlog-diff)

What is it that I am missing ?
Thanks for any hint,

Jan

_______________________________________________
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Subject: [Xen-users] Failure to start X windows in Dom0 under Xen 4.1.2
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Hi *,

   after some time without any response, I re-post my request for help.
I'll be grateful for any hint.

I have found some posts in various fora, but I couldn't find one with
a solution, so I post this problem (again?).

Trying to run X windows on Linux 3.1.1 Dom0 kernel under Xen 4.1.2
(built as http://slackbuilds.org/repository/13.37/system/xen/) on
Slackware 64-13.37. (The next step should be a HVM guest driven through
a vnc window from Dom0).

On the same kernel booted natively, all works fine; when booting under
Xen, Xorg does not start. The (relevant?) error messages that I find in
Xorg.0.log are

(WW) System lacks support for changing MTRRs
(EE) VESA(0): V_BIOS address 0x0 out of range

(the full diff of the respective Xorg.0.log-s is at
http://camelot.lf2.cuni.cz/vejvalka/posts/xlog-diff)

What is it that I am missing ?
Thanks for any hint,

Jan

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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From: Flavio <fbcyborg@gmail.com>
Date: Thu, 8 Dec 2011 19:05:38 +0100
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To: jim burns <jim_burn@bellsouth.net>
Cc: xen-users@lists.xensource.com, "Fajar A. Nugraha" <list@fajar.net>
Subject: Re: [Xen-users] OpenSuse 11 hvm domU: screen resolution up to
	640x480
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On 8 December 2011 18:28, jim burns <jim_burn@bellsouth.net> wrote:
> Another approach, if you ever get kde working on the domu, is to enable xdmcp
> logins from a remote computer. Then on the client, you do a 'switch user', in
> in the splash / login screen, click on the menu, and pick xdmcp login, and
> enter the domu ip addr in the box. If the domu has xdmcp enabled, you'll login
> at the full resolution of the client's screen.
Oh, yes I know. It's the same mechanism that allows LTSP to work.
It would be a good idea.

> I think you mean "dom0_IP:1".
Yes, you are right! My fault during typing.

> Well, we've already gotten the hvm resolution up to 1024x768, which is what
> you are using with Xephyr above. But yes, it should work the same way except,
> kde is already working on the hvm install. You'd have to do a 'rcxdm stop',
> then 'export DISPLAY ...' and startkde.
Yes you have to stop xdm and start again. Anyway that trick could be used to
have higher resolution than 1024x768, performing the following command
on the dom0
for instance: Xephyr -ac :1 -screen 1280x1024
and the domU's KDE should keep all the available screen space, autoresizing the
screen (resolution).

>
> And yes, the mouse would work. It's just like when you used ssh to login to
> the Yast install: you're using the mouse, keyboard & screen on the computer
> you login from with ssh (or Xephyr), not the ones on the domu. (X is a
> networking protocol. The program runs and does calculations on the domu, but
> sends display info over to the client - the dom0 in your case - and gets input
> - keyboard and mouse - from the client.)
Yes, it actually uses a Xorg nested server (BTW: Xephyr is the
evolution of the old
Xnest) so, no problem with the mouse and keyboard.

> One step forward, one step back. ;-)
Damn! :D

-- 
Flavio

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Cc: xen-users@lists.xensource.com, "Fajar A. Nugraha" <list@fajar.net>
Subject: Re: [Xen-users] OpenSuse 11 hvm domU: screen resolution up to
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On 8 December 2011 18:28, jim burns <jim_burn@bellsouth.net> wrote:
> Another approach, if you ever get kde working on the domu, is to enable xdmcp
> logins from a remote computer. Then on the client, you do a 'switch user', in
> in the splash / login screen, click on the menu, and pick xdmcp login, and
> enter the domu ip addr in the box. If the domu has xdmcp enabled, you'll login
> at the full resolution of the client's screen.
Oh, yes I know. It's the same mechanism that allows LTSP to work.
It would be a good idea.

> I think you mean "dom0_IP:1".
Yes, you are right! My fault during typing.

> Well, we've already gotten the hvm resolution up to 1024x768, which is what
> you are using with Xephyr above. But yes, it should work the same way except,
> kde is already working on the hvm install. You'd have to do a 'rcxdm stop',
> then 'export DISPLAY ...' and startkde.
Yes you have to stop xdm and start again. Anyway that trick could be used to
have higher resolution than 1024x768, performing the following command
on the dom0
for instance: Xephyr -ac :1 -screen 1280x1024
and the domU's KDE should keep all the available screen space, autoresizing the
screen (resolution).

>
> And yes, the mouse would work. It's just like when you used ssh to login to
> the Yast install: you're using the mouse, keyboard & screen on the computer
> you login from with ssh (or Xephyr), not the ones on the domu. (X is a
> networking protocol. The program runs and does calculations on the domu, but
> sends display info over to the client - the dom0 in your case - and gets input
> - keyboard and mouse - from the client.)
Yes, it actually uses a Xorg nested server (BTW: Xephyr is the
evolution of the old
Xnest) so, no problem with the mouse and keyboard.

> One step forward, one step back. ;-)
Damn! :D

-- 
Flavio

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Subject: Re: [Xen-users] OpenSuse 11 hvm domU: screen resolution up to
	640x480
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On Thu December 8 2011, 7:05:38 PM, Flavio wrote:
> Yes you have to stop xdm and start again. Anyway that trick could be used to
> have higher resolution than 1024x768, performing the following command on
> the dom0
> for instance: Xephyr -ac :1 -screen 1280x1024
> and the domU's KDE should keep all the available screen space, autoresizing
> the screen (resolution).

Also, if you load the xrandr system tray applet in kde, you can change 
resolutions to what ever your client computer can support, on the fly, without 
stopping and restarting startkde.

I just got thru playing with this - neat! One warning though: I would stop kde 
(rcxdm stop) as root if it is running, but then log out and re-login as a user 
before startkde. Running a desktop as root is generally a bad idea. It took me 
awhile staring at the desktop, wondering why I didn't see the changes I had 
managed to make, till I realized that I was logged in as root.

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Date: Thu, 08 Dec 2011 13:30:31 -0500
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Subject: Re: [Xen-users] OpenSuse 11 hvm domU: screen resolution up to
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On Thu December 8 2011, 7:05:38 PM, Flavio wrote:
> Yes you have to stop xdm and start again. Anyway that trick could be used to
> have higher resolution than 1024x768, performing the following command on
> the dom0
> for instance: Xephyr -ac :1 -screen 1280x1024
> and the domU's KDE should keep all the available screen space, autoresizing
> the screen (resolution).

Also, if you load the xrandr system tray applet in kde, you can change 
resolutions to what ever your client computer can support, on the fly, without 
stopping and restarting startkde.

I just got thru playing with this - neat! One warning though: I would stop kde 
(rcxdm stop) as root if it is running, but then log out and re-login as a user 
before startkde. Running a desktop as root is generally a bad idea. It took me 
awhile staring at the desktop, wondering why I didn't see the changes I had 
managed to make, till I realized that I was logged in as root.

_______________________________________________
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http://lists.xensource.com/xen-users

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On Thu December 8 2011, 1:30:31 PM, jim burns wrote:
> I just got thru playing with this - neat!

And it is a bit slow. 'marble --timedemo' gives 3 fps in Xephyr, and 28 fps 
running natively on my Xephyr client.

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On Thu December 8 2011, 1:30:31 PM, jim burns wrote:
> I just got thru playing with this - neat!

And it is a bit slow. 'marble --timedemo' gives 3 fps in Xephyr, and 28 fps 
running natively on my Xephyr client.

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From: Carlos Eduardo Tavares Terra <eduardo.terra@gmail.com>
Date: Thu, 8 Dec 2011 18:35:59 -0200
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To: Mike McClurg <mike.mcclurg@citrix.com>
Cc: "xen-users@lists.xensource.com" <xen-users@lists.xensource.com>,
	"xen-api@lists.xensource.com" <xen-api@lists.xensource.com>
Subject: Re: [Xen-users] XCP 1.5 availability
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Mike,
Project Kronos is going to be more 'actual' than XCP? Should I migrate from
XCP to Kronos?

Regards


On Thu, Dec 8, 2011 at 7:29 AM, Mike McClurg <mike.mcclurg@citrix.com>wrote:

> (Added xen-api list to CC.)
>
> On 06/12/11 19:57, Enzo Lombardi wrote:
> > Is there any nightly build, dev build, morning build of XCP 1.5?
> > I saw a message mentioning "end of September", what happened to this
> > release? What is the delay and what does the schedule looks like?
>
> Hi Enzo,
>
> We had hoped for a September beta at one point, but clearly this hasn't
> happened. We're currently aiming for a January alpha release. The delays
> have been due to our focus on Project Kronos, where we are porting the
> XCP toolstack to run on Debian and Ubuntu. The core XCP team consists of
> only two people, and Kronos turned out to be quite a time consuming
> project. At the same time, we are still committed to providing the
> traditional XCP "appliance", as well as XCP on Debian and Ubuntu.
>
> The problem with the XCP appliance and it's slow releases is mainly due
> to our internal build system. In the past, the XCP team has had to do a
> lot of manual work to convert each XenServer release into an XCP
> release. Over the last year we have been tweaking our build system, and
> parts of our toolstack code, to do this work for us.
>
> The last bits of this work are almost complete. Once they are complete,
> we will be able to start providing regular development snapshots of XCP,
> and will be able to provide a more regular release cadence. Until this
> work is complete, we don't feel that it would be worthwhile to release
> an alpha of XCP 1.5, because we know it will be broken, due to the
> incompleteness of our build system and toolstack changes.
>
> I'm sorry again for the delay to XCP 1.5. We hope that the work we're
> doing pays off in that future releases won't be so delayed, and
> development snapshots will finally be possible. Thanks for the continued
> interest in XCP.
>
> Mike
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>



-- 
Carlos Eduardo Tavares Terra
Red Hat Certified Engineer
Consultor em Infraestrutura de TI
GNU/Linux #413291 [http://counter.li.org]

--14dae9398f5bf7c11904b39a9e76
Content-Type: text/html; charset=ISO-8859-1
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Mike,<br>Project Kronos is going to be more &#39;actual&#39; than XCP? Shou=
ld I migrate from XCP to Kronos?<br><br>Regards<br><br><br><div class=3D"gm=
ail_quote">On Thu, Dec 8, 2011 at 7:29 AM, Mike McClurg <span dir=3D"ltr">&=
lt;<a href=3D"mailto:mike.mcclurg@citrix.com">mike.mcclurg@citrix.com</a>&g=
t;</span> wrote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex;">(Added xen-api list to CC.)<br>
<div><div class=3D"h5"><br>
On 06/12/11 19:57, Enzo Lombardi wrote:<br>
&gt; Is there any nightly build, dev build, morning build of XCP 1.5?<br>
&gt; I saw a message mentioning &quot;end of September&quot;, what happened=
 to this<br>
&gt; release? What is the delay and what does the schedule looks like?<br>
<br>
</div></div>Hi Enzo,<br>
<br>
We had hoped for a September beta at one point, but clearly this hasn&#39;t=
<br>
happened. We&#39;re currently aiming for a January alpha release. The delay=
s<br>
have been due to our focus on Project Kronos, where we are porting the<br>
XCP toolstack to run on Debian and Ubuntu. The core XCP team consists of<br=
>
only two people, and Kronos turned out to be quite a time consuming<br>
project. At the same time, we are still committed to providing the<br>
traditional XCP &quot;appliance&quot;, as well as XCP on Debian and Ubuntu.=
<br>
<br>
The problem with the XCP appliance and it&#39;s slow releases is mainly due=
<br>
to our internal build system. In the past, the XCP team has had to do a<br>
lot of manual work to convert each XenServer release into an XCP<br>
release. Over the last year we have been tweaking our build system, and<br>
parts of our toolstack code, to do this work for us.<br>
<br>
The last bits of this work are almost complete. Once they are complete,<br>
we will be able to start providing regular development snapshots of XCP,<br=
>
and will be able to provide a more regular release cadence. Until this<br>
work is complete, we don&#39;t feel that it would be worthwhile to release<=
br>
an alpha of XCP 1.5, because we know it will be broken, due to the<br>
incompleteness of our build system and toolstack changes.<br>
<br>
I&#39;m sorry again for the delay to XCP 1.5. We hope that the work we&#39;=
re<br>
doing pays off in that future releases won&#39;t be so delayed, and<br>
development snapshots will finally be possible. Thanks for the continued<br=
>
interest in XCP.<br>
<br>
Mike<br>
<br>
_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.=
com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br>
</blockquote></div><br><br clear=3D"all"><br>-- <br>Carlos Eduardo Tavares =
Terra<br>Red Hat Certified Engineer<br>Consultor em Infraestrutura de TI<br=
>GNU/Linux #413291 [<a href=3D"http://counter.li.org" target=3D"_blank">htt=
p://counter.li.org</a>]<br>



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Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users
--===============2418090807145459783==--


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From: Carlos Eduardo Tavares Terra <eduardo.terra@gmail.com>
Date: Thu, 8 Dec 2011 18:35:59 -0200
Message-ID: <CAEcYNt6BGe8ARVp1+3Yxy_3yySk99pu7dFbAR7anzTXtr19g_g@mail.gmail.com>
To: Mike McClurg <mike.mcclurg@citrix.com>
Cc: "xen-users@lists.xensource.com" <xen-users@lists.xensource.com>,
	"xen-api@lists.xensource.com" <xen-api@lists.xensource.com>
Subject: Re: [Xen-users] XCP 1.5 availability
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Mike,
Project Kronos is going to be more 'actual' than XCP? Should I migrate from
XCP to Kronos?

Regards


On Thu, Dec 8, 2011 at 7:29 AM, Mike McClurg <mike.mcclurg@citrix.com>wrote:

> (Added xen-api list to CC.)
>
> On 06/12/11 19:57, Enzo Lombardi wrote:
> > Is there any nightly build, dev build, morning build of XCP 1.5?
> > I saw a message mentioning "end of September", what happened to this
> > release? What is the delay and what does the schedule looks like?
>
> Hi Enzo,
>
> We had hoped for a September beta at one point, but clearly this hasn't
> happened. We're currently aiming for a January alpha release. The delays
> have been due to our focus on Project Kronos, where we are porting the
> XCP toolstack to run on Debian and Ubuntu. The core XCP team consists of
> only two people, and Kronos turned out to be quite a time consuming
> project. At the same time, we are still committed to providing the
> traditional XCP "appliance", as well as XCP on Debian and Ubuntu.
>
> The problem with the XCP appliance and it's slow releases is mainly due
> to our internal build system. In the past, the XCP team has had to do a
> lot of manual work to convert each XenServer release into an XCP
> release. Over the last year we have been tweaking our build system, and
> parts of our toolstack code, to do this work for us.
>
> The last bits of this work are almost complete. Once they are complete,
> we will be able to start providing regular development snapshots of XCP,
> and will be able to provide a more regular release cadence. Until this
> work is complete, we don't feel that it would be worthwhile to release
> an alpha of XCP 1.5, because we know it will be broken, due to the
> incompleteness of our build system and toolstack changes.
>
> I'm sorry again for the delay to XCP 1.5. We hope that the work we're
> doing pays off in that future releases won't be so delayed, and
> development snapshots will finally be possible. Thanks for the continued
> interest in XCP.
>
> Mike
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>



-- 
Carlos Eduardo Tavares Terra
Red Hat Certified Engineer
Consultor em Infraestrutura de TI
GNU/Linux #413291 [http://counter.li.org]

--14dae9398f5bf7c11904b39a9e76
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

Mike,<br>Project Kronos is going to be more &#39;actual&#39; than XCP? Shou=
ld I migrate from XCP to Kronos?<br><br>Regards<br><br><br><div class=3D"gm=
ail_quote">On Thu, Dec 8, 2011 at 7:29 AM, Mike McClurg <span dir=3D"ltr">&=
lt;<a href=3D"mailto:mike.mcclurg@citrix.com">mike.mcclurg@citrix.com</a>&g=
t;</span> wrote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex;">(Added xen-api list to CC.)<br>
<div><div class=3D"h5"><br>
On 06/12/11 19:57, Enzo Lombardi wrote:<br>
&gt; Is there any nightly build, dev build, morning build of XCP 1.5?<br>
&gt; I saw a message mentioning &quot;end of September&quot;, what happened=
 to this<br>
&gt; release? What is the delay and what does the schedule looks like?<br>
<br>
</div></div>Hi Enzo,<br>
<br>
We had hoped for a September beta at one point, but clearly this hasn&#39;t=
<br>
happened. We&#39;re currently aiming for a January alpha release. The delay=
s<br>
have been due to our focus on Project Kronos, where we are porting the<br>
XCP toolstack to run on Debian and Ubuntu. The core XCP team consists of<br=
>
only two people, and Kronos turned out to be quite a time consuming<br>
project. At the same time, we are still committed to providing the<br>
traditional XCP &quot;appliance&quot;, as well as XCP on Debian and Ubuntu.=
<br>
<br>
The problem with the XCP appliance and it&#39;s slow releases is mainly due=
<br>
to our internal build system. In the past, the XCP team has had to do a<br>
lot of manual work to convert each XenServer release into an XCP<br>
release. Over the last year we have been tweaking our build system, and<br>
parts of our toolstack code, to do this work for us.<br>
<br>
The last bits of this work are almost complete. Once they are complete,<br>
we will be able to start providing regular development snapshots of XCP,<br=
>
and will be able to provide a more regular release cadence. Until this<br>
work is complete, we don&#39;t feel that it would be worthwhile to release<=
br>
an alpha of XCP 1.5, because we know it will be broken, due to the<br>
incompleteness of our build system and toolstack changes.<br>
<br>
I&#39;m sorry again for the delay to XCP 1.5. We hope that the work we&#39;=
re<br>
doing pays off in that future releases won&#39;t be so delayed, and<br>
development snapshots will finally be possible. Thanks for the continued<br=
>
interest in XCP.<br>
<br>
Mike<br>
<br>
_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.=
com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br>
</blockquote></div><br><br clear=3D"all"><br>-- <br>Carlos Eduardo Tavares =
Terra<br>Red Hat Certified Engineer<br>Consultor em Infraestrutura de TI<br=
>GNU/Linux #413291 [<a href=3D"http://counter.li.org" target=3D"_blank">htt=
p://counter.li.org</a>]<br>



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Cc: xen-users@lists.xensource.com, xen-api@lists.xensource.com
Subject: Re: [Xen-users] XCP 1.5 availability
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Thank you Mike.
One more question: I am familiar with the wiki page about the differences 
between XCP and XenServer.
I was wondering if one of the feature I care will be in Boston, i.e. the 
support for GPU passthrough as exposed in XenServer.
My end goal is to consolidate in one fat box my workstation and server needs 
and GPU passthrough is required.
Looking forward for the first bits to be available, thanks for your kind 
answer
-e

-----Original Message----- 
From: Mike McClurg
Sent: Thursday, December 08, 2011 1:29 AM
To: Enzo Lombardi
Cc: xen-users@lists.xensource.com ; xen-api@lists.xensource.com
Subject: Re: [Xen-users] XCP 1.5 availability

(Added xen-api list to CC.)

On 06/12/11 19:57, Enzo Lombardi wrote:
> Is there any nightly build, dev build, morning build of XCP 1.5?
> I saw a message mentioning "end of September", what happened to this
> release? What is the delay and what does the schedule looks like?

Hi Enzo,

We had hoped for a September beta at one point, but clearly this hasn't
happened. We're currently aiming for a January alpha release. The delays
have been due to our focus on Project Kronos, where we are porting the
XCP toolstack to run on Debian and Ubuntu. The core XCP team consists of
only two people, and Kronos turned out to be quite a time consuming
project. At the same time, we are still committed to providing the
traditional XCP "appliance", as well as XCP on Debian and Ubuntu.

The problem with the XCP appliance and it's slow releases is mainly due
to our internal build system. In the past, the XCP team has had to do a
lot of manual work to convert each XenServer release into an XCP
release. Over the last year we have been tweaking our build system, and
parts of our toolstack code, to do this work for us.

The last bits of this work are almost complete. Once they are complete,
we will be able to start providing regular development snapshots of XCP,
and will be able to provide a more regular release cadence. Until this
work is complete, we don't feel that it would be worthwhile to release
an alpha of XCP 1.5, because we know it will be broken, due to the
incompleteness of our build system and toolstack changes.

I'm sorry again for the delay to XCP 1.5. We hope that the work we're
doing pays off in that future releases won't be so delayed, and
development snapshots will finally be possible. Thanks for the continued
interest in XCP.

Mike 


_______________________________________________
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http://lists.xensource.com/xen-users

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Cc: xen-users@lists.xensource.com, xen-api@lists.xensource.com
Subject: Re: [Xen-users] XCP 1.5 availability
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Thank you Mike.
One more question: I am familiar with the wiki page about the differences 
between XCP and XenServer.
I was wondering if one of the feature I care will be in Boston, i.e. the 
support for GPU passthrough as exposed in XenServer.
My end goal is to consolidate in one fat box my workstation and server needs 
and GPU passthrough is required.
Looking forward for the first bits to be available, thanks for your kind 
answer
-e

-----Original Message----- 
From: Mike McClurg
Sent: Thursday, December 08, 2011 1:29 AM
To: Enzo Lombardi
Cc: xen-users@lists.xensource.com ; xen-api@lists.xensource.com
Subject: Re: [Xen-users] XCP 1.5 availability

(Added xen-api list to CC.)

On 06/12/11 19:57, Enzo Lombardi wrote:
> Is there any nightly build, dev build, morning build of XCP 1.5?
> I saw a message mentioning "end of September", what happened to this
> release? What is the delay and what does the schedule looks like?

Hi Enzo,

We had hoped for a September beta at one point, but clearly this hasn't
happened. We're currently aiming for a January alpha release. The delays
have been due to our focus on Project Kronos, where we are porting the
XCP toolstack to run on Debian and Ubuntu. The core XCP team consists of
only two people, and Kronos turned out to be quite a time consuming
project. At the same time, we are still committed to providing the
traditional XCP "appliance", as well as XCP on Debian and Ubuntu.

The problem with the XCP appliance and it's slow releases is mainly due
to our internal build system. In the past, the XCP team has had to do a
lot of manual work to convert each XenServer release into an XCP
release. Over the last year we have been tweaking our build system, and
parts of our toolstack code, to do this work for us.

The last bits of this work are almost complete. Once they are complete,
we will be able to start providing regular development snapshots of XCP,
and will be able to provide a more regular release cadence. Until this
work is complete, we don't feel that it would be worthwhile to release
an alpha of XCP 1.5, because we know it will be broken, due to the
incompleteness of our build system and toolstack changes.

I'm sorry again for the delay to XCP 1.5. We hope that the work we're
doing pays off in that future releases won't be so delayed, and
development snapshots will finally be possible. Thanks for the continued
interest in XCP.

Mike 


_______________________________________________
Xen-users mailing list
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http://lists.xensource.com/xen-users

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On 08/12/11 20:35, Carlos Eduardo Tavares Terra wrote:
> Mike,
> Project Kronos is going to be more 'actual' than XCP? Should I migrate
> from XCP to Kronos?
> 

No, you should not migrate from the XCP appliance to Project Kronos,
unless you have need to do so. Project Kronos is just an alternate
delivery form for XCP. Currently, we consider it in beta form, and not
all features of XCP are supported in Kronos yet. We expect that over the
next year, the XCP appliance and XCP on Debian and Ubuntu will reach
feature parity.

The benefits of Kronos are that you have the option of keeping up with
the development version of the XCP toolstack, and you get to install it
on your distro of choice (well, as long as you choose either Debian or
Ubuntu). The benefits of the XCP appliance are that it is an easy to
install appliance, it is much closer to bit-for-bit parity with
XenServer, and as such benefits from the intense testing that Citrix
performs on XenServer.

Neither one will be "better" than the other, but each has it's own
distinct advantages over the other.

Mike


_______________________________________________
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On 08/12/11 20:35, Carlos Eduardo Tavares Terra wrote:
> Mike,
> Project Kronos is going to be more 'actual' than XCP? Should I migrate
> from XCP to Kronos?
> 

No, you should not migrate from the XCP appliance to Project Kronos,
unless you have need to do so. Project Kronos is just an alternate
delivery form for XCP. Currently, we consider it in beta form, and not
all features of XCP are supported in Kronos yet. We expect that over the
next year, the XCP appliance and XCP on Debian and Ubuntu will reach
feature parity.

The benefits of Kronos are that you have the option of keeping up with
the development version of the XCP toolstack, and you get to install it
on your distro of choice (well, as long as you choose either Debian or
Ubuntu). The benefits of the XCP appliance are that it is an easy to
install appliance, it is much closer to bit-for-bit parity with
XenServer, and as such benefits from the intense testing that Citrix
performs on XenServer.

Neither one will be "better" than the other, but each has it's own
distinct advantages over the other.

Mike


_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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On 08/12/11 21:13, enzinol@gmail.com wrote:
> Thank you Mike.
> One more question: I am familiar with the wiki page about the differences 
> between XCP and XenServer.
> I was wondering if one of the feature I care will be in Boston, i.e. the 
> support for GPU passthrough as exposed in XenServer.
> My end goal is to consolidate in one fat box my workstation and server needs 
> and GPU passthrough is required.
> Looking forward for the first bits to be available, thanks for your kind 
> answer
> -e

GPU passthrough will be included in XCP 1.5.

Mike


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On 08/12/11 21:13, enzinol@gmail.com wrote:
> Thank you Mike.
> One more question: I am familiar with the wiki page about the differences 
> between XCP and XenServer.
> I was wondering if one of the feature I care will be in Boston, i.e. the 
> support for GPU passthrough as exposed in XenServer.
> My end goal is to consolidate in one fat box my workstation and server needs 
> and GPU passthrough is required.
> Looking forward for the first bits to be available, thanks for your kind 
> answer
> -e

GPU passthrough will be included in XCP 1.5.

Mike


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Thank you!
Since you mentioned Kronos, is there any doc between what to expect as 
different feature set?
-e

-----Original Message----- 
From: Mike McClurg
Sent: Thursday, December 08, 2011 2:17 PM
To: enzinol@gmail.com
Cc: xen-users@lists.xensource.com ; xen-api@lists.xensource.com
Subject: Re: [Xen-users] XCP 1.5 availability

On 08/12/11 21:13, enzinol@gmail.com wrote:
> Thank you Mike.
> One more question: I am familiar with the wiki page about the differences
> between XCP and XenServer.
> I was wondering if one of the feature I care will be in Boston, i.e. the
> support for GPU passthrough as exposed in XenServer.
> My end goal is to consolidate in one fat box my workstation and server 
> needs
> and GPU passthrough is required.
> Looking forward for the first bits to be available, thanks for your kind
> answer
> -e

GPU passthrough will be included in XCP 1.5.

Mike 


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Thank you!
Since you mentioned Kronos, is there any doc between what to expect as 
different feature set?
-e

-----Original Message----- 
From: Mike McClurg
Sent: Thursday, December 08, 2011 2:17 PM
To: enzinol@gmail.com
Cc: xen-users@lists.xensource.com ; xen-api@lists.xensource.com
Subject: Re: [Xen-users] XCP 1.5 availability

On 08/12/11 21:13, enzinol@gmail.com wrote:
> Thank you Mike.
> One more question: I am familiar with the wiki page about the differences
> between XCP and XenServer.
> I was wondering if one of the feature I care will be in Boston, i.e. the
> support for GPU passthrough as exposed in XenServer.
> My end goal is to consolidate in one fat box my workstation and server 
> needs
> and GPU passthrough is required.
> Looking forward for the first bits to be available, thanks for your kind
> answer
> -e

GPU passthrough will be included in XCP 1.5.

Mike 


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From: Daniel Castro <evil.dani@gmail.com>
To: xen-users@lists.xensource.com
Subject: [Xen-users] PV Ubunut with some network issues
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Hello All,

I am experiencing some network issues on a PV-Ubuntu Lucid. The
network interface looses connectivity and requieres a network restart
in order to get it again... The kernel version is 2.6.32-36 generic

The machine in questions sometimes can ping out, but no network comes
in... There are HVM machines on the same host and they work without
problems...

This machine has to be PV since it will be migrated to non-hvm hosts
once I can make it stable.

I am running XenServer 6.

Should I upgrade the kernell to get latests netfront drivers?
Are there any known bug I should be aware of?

Thanks,

Daniel
-- =

+-=3D=3D=3D=3D=3D---------------------------+
| +---------------------------------+ | This space intentionally blank
for notetaking.
| |=A0=A0 | Daniel Castro,=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 |
| |=A0=A0 | Consultant/Programmer.|
| |=A0=A0 | U Andes=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=A0 |
+-------------------------------------+

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From: Daniel Castro <evil.dani@gmail.com>
To: xen-users@lists.xensource.com
Subject: [Xen-users] PV Ubunut with some network issues
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Hello All,

I am experiencing some network issues on a PV-Ubuntu Lucid. The
network interface looses connectivity and requieres a network restart
in order to get it again... The kernel version is 2.6.32-36 generic

The machine in questions sometimes can ping out, but no network comes
in... There are HVM machines on the same host and they work without
problems...

This machine has to be PV since it will be migrated to non-hvm hosts
once I can make it stable.

I am running XenServer 6.

Should I upgrade the kernell to get latests netfront drivers?
Are there any known bug I should be aware of?

Thanks,

Daniel
-- =

+-=3D=3D=3D=3D=3D---------------------------+
| +---------------------------------+ | This space intentionally blank
for notetaking.
| |=A0=A0 | Daniel Castro,=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 |
| |=A0=A0 | Consultant/Programmer.|
| |=A0=A0 | U Andes=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=A0 |
+-------------------------------------+

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To: xen-users@lists.xensource.com
Subject: [Xen-users] xen the i / O performance,
 network performance is only 20-30% of the real machine?
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First,sorry my poor english~
Here is this test:

Virtualization performance comparison test

Test environment
Physical machine:
Cpu 8-core
8G memory
HDD: 147G

xen virtual machine:
cpu 2 core
4G memory
30G hard drive

wmware virtual machine:
cpu 2 core
4G memory
30G hard drive


Optical disk array (san)
Size: 7.7T
Speed: 6G/sec

Testing and structural
I / 0 performance test
Test methods
Test performance by dd, the script is as follows:

#! / Bin / bash
# Mnt
echo "/ mnt"
echo "dd if = / dev / zero of = / mnt/test0.date bs = 100M count = 50"
dd if = / dev / zero of = / mnt/test0.date bs = 100M count = 50
rm-rf / mnt/test0.date
echo "dd if = / dev / zero of = / mnt/test1.date bs = 10M count = 500"
dd if = / dev / zero of = / mnt/test1.date bs = 10M count = 500
rm-rf / mnt/test1.date
echo "dd if = / dev / zero of = / mnt/test2.date bs = 1024 count = 5000000"
dd if = / dev / zero of = / mnt/test2.date bs = 1024 count = 5000000
rm-rf / mnt/test2.date

# /
echo "/"
echo "dd if = / dev / zero of = / test0.date bs = 100M count = 50"
dd if = / dev / zero of = / test0.date bs = 100M count = 50
rm-rf / test0.date
echo "dd if = / dev / zero of = / test1.date bs = 10M count = 500"
dd if = / dev / zero of = / test1.date bs = 10M count = 500
rm-rf / test1.date
echo "dd if = / dev / zero of = / test2.date bs = 1024 count = 5000000"
dd if = / dev / zero of = / test2.date bs = 1024 count = 5000000
rm-rf / test2.date

Respectively, the real physical machines, virtual machines, test /
directory and the / mnt directory (directly mounted optical disk array) for
the test.

Test results

Catalog record read into the record bs count read out time (xen) MB / time
(xen) time (local) MB / time (local)
/ Mnt 100M 50 50 +0 50 +0 39.7209 132 19.4492 270
/ Mnt 10M 500 500 +0 500 +0 44.5654 118 20.3288 258
/ Mnt 1024bytes 5000000 5000000 +0 5000000 +0 43.7605 117 42.1754 121
/ 100M 50 50 +0 50 +0 159.142 32.9 25.1047 209
/ 10M 500 500 +0 500 +0 183.316 28.6 28.3515 185
/ 1024bytes 5000000 5000000 +0 5000000 +0 175.724 29.1 36.3496 141





Network Performance Testing
SCP performance test

Test methods

Large files via scp (2G or more, such as RHEL system ISO file) to test
their network performance.

Testing machine with a real machine, the virtual machine must be connected
to Gigabit Ethernet, with the following command:
[Root @ rhel-PowerEdge-1 ~] # ethtool eth0
Settings for eth0:
        Supported ports: [TP]
        Supported link modes: 10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
                                1000baseT/Full
        Supports auto-negotiation: Yes
        Advertised link modes: 10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
                                1000baseT/Full
        Advertised pause frame use: No
        Advertised auto-negotiation: Yes
        Speed: 1000Mb / s
        Duplex: Full
        Port: Twisted Pair
        PHYAD: 1
        Transceiver: internal
        Auto-negotiation: on
        MDI-X: Unknown
        Supports Wake-on: g
        Wake-on: d
        Link detected: yes
Speed: 1000Mb / s that is Gigabit.


Test results
Note: wmware to workstation 7.1, for reference, the same below.
xen real machine wmware xen / machine ratio of real
scp download speed (M / s) 11.3 33.2 27.05 34.04%
scp upload speed (M / s) 12.1 28.3 26.2 42.76%


Netperf

Test methods
Prepare another machine A, the test machine B, C and A virtual machine to
connect directly to Gigabit Ethernet (ibid.).
A, B, virtual machines are installed netperf-2.4.5-1.ky3.x86_64.rpm package.

The machine being tested (such as B, or virtual machine) running the server
side:
[Root @ rhel-PowerEdge-1 ~] # netserver
Starting netserver at port 12865
Starting netserver at hostname 0.0.0.0 port 12865 and family AF_UNSPEC

A machine to modify the test client script (/ usr / local / sbin /
netclient.sh), reads as follows:
#! / Bin / sh
SERVERIP = $ 1
OUT = $ 2

if ["$ SERVERIP" == ""-o "$ OUT" == ""]; then
echo "netclient <Server IP> <OUTPUT FILE>"
exit 1
fi

netperf-H $ SERVERIP-i 10,2-I 99,5 --m 4096-s 128K-S 128K> $ OUT
netperf-H $ SERVERIP-i 10,2-I 99,5 --m 4096-s 57344-S 57344>> $ OUT
netperf-H $ SERVERIP-t TCP_CRR-r 32,1024>> $ OUT



Run the test script:
[Root @ rhel-PowerEdge-1 ~] # sh / usr / local / sbin / netclient.sh other
host or virtual machine ip test results. Log


Test results



xen real machine wmware xen / machine ratio of real
Network throughput 1 (less than the packet buffer) (10 ^ 6bit/sec) 139.16
820.64 519 16.96%
Network throughput 2 (when the cache is greater than the packet) (10 ^
6bit/sec) 151.97 819.78 485.19 18.54%
A second new TCP connection (times / s) 763.83 2508 .85 1357.3 30.45%

Note: These are average.








Network File System Performance Test
nfs-io test (dd test)

Test methods
Host C mount SAN disk array, and provide NFS services, and host A (and the
virtual machine) Gigabit Ethernet connection.
A (or virtual machine) mounted on / mnt, then the script dd.sh:
#! / Bin / bash
# Mnt
echo "/ mnt"
echo "dd if = / dev / zero of = / mnt/test0.date bs = 100M count = 50"
dd if = / dev / zero of = / mnt/test0.date bs = 100M count = 50
rm-rf / mnt/test0.date
echo "dd if = / dev / zero of = / mnt/test1.date bs = 10M count = 500"
dd if = / dev / zero of = / mnt/test1.date bs = 10M count = 500
rm-rf / mnt/test1.date
echo "dd if = / dev / zero of = / mnt/test2.date bs = 1024 count = 5000000"
dd if = / dev / zero of = / mnt/test2.date bs = 1024 count = 5000000
rm-rf / mnt/test2.date

# Sh dd.sh 2 &> test_nfs.log

Test results


performance than the real machine xen
Network io speed M / s 7.5 87.6 8.56%
Network io speed M / s 7.6 90.5 8.40%
Network io speed M / s 7.4 86.6 8.55%
Average 7.5 88.21 8.50%

--20cf30563c358fe63a04b3a560c2
Content-Type: text/html; charset=GB2312
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<div><span title=3D"=D0=E9=C4=E2=BB=AF=D0=D4=C4=DC=B6=D4=B1=C8=B2=E2=CA=D4"=
 class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif=
; font-size: 16px; background-color: rgb(245, 245, 245); ">First,sorry my p=
oor english~</span></div><div><span title=3D"=D0=E9=C4=E2=BB=AF=D0=D4=C4=DC=
=B6=D4=B1=C8=B2=E2=CA=D4" class=3D"" style=3D"color: rgb(51, 51, 51); font-=
family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245,=
 245); ">Here is this test:</span></div>
<div><span title=3D"=D0=E9=C4=E2=BB=AF=D0=D4=C4=DC=B6=D4=B1=C8=B2=E2=CA=D4"=
 class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif=
; font-size: 16px; background-color: rgb(245, 245, 245); "><br></span></div=
><span title=3D"=D0=E9=C4=E2=BB=AF=D0=D4=C4=DC=B6=D4=B1=C8=B2=E2=CA=D4" cla=
ss=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; fo=
nt-size: 16px; background-color: rgb(245, 245, 245); ">Virtualization perfo=
rmance comparison test<br>
<br></span><span title=3D"=B2=E2=CA=D4=BB=B7=BE=B3" class=3D"" style=3D"col=
or: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; backg=
round-color: rgb(245, 245, 245); ">Test environment<br></span><span title=
=3D"=CE=EF=C0=ED=BB=FA=A3=BA" class=3D"" style=3D"color: rgb(51, 51, 51); f=
ont-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, =
245, 245); ">Physical machine:<br>
</span><span title=3D"	Cpu 8=BA=CB" class=3D"" style=3D"color: rgb(51, 51, =
51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb=
(245, 245, 245); ">Cpu 8-core<br></span><span title=3D"	=C4=DA=B4=E6 8G" cl=
ass=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; f=
ont-size: 16px; background-color: rgb(245, 245, 245); ">8G memory<br>
</span><span title=3D"	=D3=B2=C5=CC=A3=BA 147G" class=3D"" style=3D"color: =
rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; backgroun=
d-color: rgb(245, 245, 245); ">HDD: 147G<br><br></span><span title=3D"xen=
=D0=E9=C4=E2=BB=FA=A3=BA" class=3D"" style=3D"color: rgb(51, 51, 51); font-=
family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245,=
 245); ">xen virtual machine:<br>
</span><span title=3D"	cpu 2=BA=CB" class=3D"" style=3D"color: rgb(51, 51, =
51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb=
(245, 245, 245); ">cpu 2 core<br></span><span title=3D"	=C4=DA=B4=E64G" cla=
ss=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; fo=
nt-size: 16px; background-color: rgb(245, 245, 245); ">4G memory<br>
</span><span title=3D"	=D3=B2=C5=CC30G" class=3D"" style=3D"color: rgb(51, =
51, 51); font-family: arial, sans-serif; font-size: 16px; background-color:=
 rgb(245, 245, 245); ">30G hard drive<br></span><span title=3D"	" class=3D"=
" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font-siz=
e: 16px; background-color: rgb(245, 245, 245); "><br>
</span><span title=3D"wmware=D0=E9=C4=E2=BB=FA=A3=BA" class=3D"" style=3D"c=
olor: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; bac=
kground-color: rgb(245, 245, 245); ">wmware virtual machine:<br></span><spa=
n title=3D"	cpu 2=BA=CB" class=3D"" style=3D"color: rgb(51, 51, 51); font-f=
amily: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, =
245); ">cpu 2 core<br>
</span><span title=3D"	=C4=DA=B4=E64G" class=3D"" style=3D"color: rgb(51, 5=
1, 51); font-family: arial, sans-serif; font-size: 16px; background-color: =
rgb(245, 245, 245); ">4G memory<br></span><span title=3D"	=D3=B2=C5=CC30G" =
class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif;=
 font-size: 16px; background-color: rgb(245, 245, 245); ">30G hard drive<br=
>
</span><span title=3D"	" class=3D"" style=3D"color: rgb(51, 51, 51); font-f=
amily: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, =
245); "><br><br></span><span title=3D"=B9=E2=CF=CB=C5=CC=D5=F3(san)" class=
=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font=
-size: 16px; background-color: rgb(245, 245, 245); ">Optical disk array (sa=
n)<br>
</span><span title=3D"=B4=F3=D0=A1=A3=BA7.7T" class=3D"" style=3D"color: rg=
b(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-=
color: rgb(245, 245, 245); ">Size: 7.7T<br></span><span title=3D"=CB=D9=B6=
=C8=A3=BA6G/sec" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: a=
rial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">=
Speed: 6G/sec<br>
<br></span><span title=3D"=B2=E2=CA=D4=BA=CD=BD=E1=B9=B9" class=3D"" style=
=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px=
; background-color: rgb(245, 245, 245); ">Testing and structural<br></span>=
<span title=3D"I/0=D0=D4=C4=DC=B2=E2=CA=D4" class=3D"" style=3D"color: rgb(=
51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-co=
lor: rgb(245, 245, 245); ">I / 0 performance test<br>
</span><span title=3D"=B2=E2=CA=D4=B7=BD=B7=A8" class=3D"" style=3D"color: =
rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; backgroun=
d-color: rgb(245, 245, 245); ">Test methods<br></span><span title=3D"=CD=A8=
=B9=FDdd=B2=E2=CA=D4=D0=D4=C4=DC=A3=AC=BD=C5=B1=BE=C8=E7=CF=C2=A3=BA" class=
=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font=
-size: 16px; background-color: rgb(245, 245, 245); ">Test performance by dd=
, the script is as follows:<br>
<br></span><span title=3D"#!/bin/bash" class=3D"" style=3D"color: rgb(51, 5=
1, 51); font-family: arial, sans-serif; font-size: 16px; background-color: =
rgb(245, 245, 245); ">#! / Bin / bash<br></span><span title=3D"#mnt" class=
=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font=
-size: 16px; background-color: rgb(245, 245, 245); "># Mnt<br>
</span><span title=3D"echo &quot;/mnt&quot;" class=3D"" style=3D"color: rgb=
(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-c=
olor: rgb(245, 245, 245); ">echo &quot;/ mnt&quot;<br></span><span title=3D=
"echo &quot;dd if=3D/dev/zero of=3D/mnt/test0.date bs=3D100M count=3D50&quo=
t;" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-se=
rif; font-size: 16px; background-color: rgb(245, 245, 245); ">echo &quot;dd=
 if =3D / dev / zero of =3D / mnt/test0.date bs =3D 100M count =3D 50&quot;=
<br>
</span><span title=3D"dd if=3D/dev/zero of=3D/mnt/test0.date bs=3D100M coun=
t=3D50" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, san=
s-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">dd if =3D=
 / dev / zero of =3D / mnt/test0.date bs =3D 100M count =3D 50<br>
</span><span title=3D"rm -rf /mnt/test0.date" class=3D"" style=3D"color: rg=
b(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-=
color: rgb(245, 245, 245); ">rm-rf / mnt/test0.date<br></span><span title=
=3D"echo &quot;dd if=3D/dev/zero of=3D/mnt/test1.date bs=3D10M count=3D500&=
quot;" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans=
-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">echo &quot=
;dd if =3D / dev / zero of =3D / mnt/test1.date bs =3D 10M count =3D 500&qu=
ot;<br>
</span><span title=3D"dd if=3D/dev/zero of=3D/mnt/test1.date bs=3D10M count=
=3D500" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, san=
s-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">dd if =3D=
 / dev / zero of =3D / mnt/test1.date bs =3D 10M count =3D 500<br>
</span><span title=3D"rm -rf /mnt/test1.date" class=3D"" style=3D"color: rg=
b(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-=
color: rgb(245, 245, 245); ">rm-rf / mnt/test1.date<br></span><span title=
=3D"echo &quot;dd if=3D/dev/zero of=3D/mnt/test2.date bs=3D1024 count=3D500=
0000&quot;" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial,=
 sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">echo =
&quot;dd if =3D / dev / zero of =3D / mnt/test2.date bs =3D 1024 count =3D =
5000000&quot;<br>
</span><span title=3D"dd if=3D/dev/zero of=3D/mnt/test2.date bs=3D1024 coun=
t=3D5000000" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial=
, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">dd i=
f =3D / dev / zero of =3D / mnt/test2.date bs =3D 1024 count =3D 5000000<br=
>
</span><span title=3D"rm -rf /mnt/test2.date" class=3D"" style=3D"color: rg=
b(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-=
color: rgb(245, 245, 245); ">rm-rf / mnt/test2.date<br><br></span><span tit=
le=3D"#/" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, s=
ans-serif; font-size: 16px; background-color: rgb(245, 245, 245); "># /<br>
</span><span title=3D"echo &quot;/&quot;" class=3D"" style=3D"color: rgb(51=
, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-colo=
r: rgb(245, 245, 245); ">echo &quot;/&quot;<br></span><span title=3D"echo &=
quot;dd if=3D/dev/zero of=3D/test0.date bs=3D100M count=3D50&quot;" class=
=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font=
-size: 16px; background-color: rgb(245, 245, 245); ">echo &quot;dd if =3D /=
 dev / zero of =3D / test0.date bs =3D 100M count =3D 50&quot;<br>
</span><span title=3D"dd if=3D/dev/zero of=3D/test0.date bs=3D100M count=3D=
50" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-se=
rif; font-size: 16px; background-color: rgb(245, 245, 245); ">dd if =3D / d=
ev / zero of =3D / test0.date bs =3D 100M count =3D 50<br>
</span><span title=3D"rm -rf /test0.date" class=3D"" style=3D"color: rgb(51=
, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-colo=
r: rgb(245, 245, 245); ">rm-rf / test0.date<br></span><span title=3D"echo &=
quot;dd if=3D/dev/zero of=3D/test1.date bs=3D10M count=3D500&quot;" class=
=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font=
-size: 16px; background-color: rgb(245, 245, 245); ">echo &quot;dd if =3D /=
 dev / zero of =3D / test1.date bs =3D 10M count =3D 500&quot;<br>
</span><span title=3D"dd if=3D/dev/zero of=3D/test1.date bs=3D10M count=3D5=
00" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-se=
rif; font-size: 16px; background-color: rgb(245, 245, 245); ">dd if =3D / d=
ev / zero of =3D / test1.date bs =3D 10M count =3D 500<br>
</span><span title=3D"rm -rf /test1.date" class=3D"" style=3D"color: rgb(51=
, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-colo=
r: rgb(245, 245, 245); ">rm-rf / test1.date<br></span><span title=3D"echo &=
quot;dd if=3D/dev/zero of=3D/test2.date bs=3D1024 count=3D5000000&quot;" cl=
ass=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; f=
ont-size: 16px; background-color: rgb(245, 245, 245); ">echo &quot;dd if =
=3D / dev / zero of =3D / test2.date bs =3D 1024 count =3D 5000000&quot;<br=
>
</span><span title=3D"dd if=3D/dev/zero of=3D/test2.date bs=3D1024 count=3D=
5000000" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sa=
ns-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">dd if =
=3D / dev / zero of =3D / test2.date bs =3D 1024 count =3D 5000000<br>
</span><span title=3D"rm -rf /test2.date" class=3D"" style=3D"color: rgb(51=
, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-colo=
r: rgb(245, 245, 245); ">rm-rf / test2.date<br><br></span><span title=3D"=
=B7=D6=B1=F0=B6=D4=CE=EF=C0=ED=D5=E6=CA=B5=BB=FA=C6=F7=A1=A2=D0=E9=C4=E2=BB=
=FA, =B2=E2=CA=D4/=C4=BF=C2=BC=BA=CD/mnt=C4=BF=C2=BC=A3=A8=D6=B1=BD=D3=B9=
=D2=D4=D8=B9=E2=CF=CB=C5=CC=D5=F3=A3=A9=BD=F8=D0=D0=C9=CF=CA=F6=B2=E2=CA=D4=
=A1=A3" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, san=
s-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">Respectiv=
ely, the real physical machines, virtual machines, test / directory and the=
 / mnt directory (directly mounted optical disk array) for the test.<br>
<br></span><span title=3D"=B2=E2=CA=D4=BD=E1=B9=FB" class=3D"" style=3D"col=
or: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; backg=
round-color: rgb(245, 245, 245); ">Test results<br><br></span><span title=
=3D"=C4=BF=C2=BC	bs	count	=BC=C7=C2=BC=B6=C1=C8=EB	=BC=C7=C2=BC=B6=C1=B3=F6=
	time=A3=A8xen=A3=A9	MB/time=A3=A8xen=A3=A9	time=A3=A8local=A3=A9	MB/time=
=A3=A8local=A3=A9" class=3D"" style=3D"color: rgb(51, 51, 51); font-family:=
 arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); =
">Catalog record read into the record bs count read out time (xen) MB / tim=
e (xen) time (local) MB / time (local)<br>
</span><span title=3D"/mnt	100M	50	50+0	50+0	39.7209	132	19.4492	270" class=
=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font=
-size: 16px; background-color: rgb(245, 245, 245); ">/ Mnt 100M 50 50 +0 50=
 +0 39.7209 132 19.4492 270<br>
</span><span title=3D"/mnt	10M	500	500+0	500+0	44.5654	118	20.3288	258" cla=
ss=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; fo=
nt-size: 16px; background-color: rgb(245, 245, 245); ">/ Mnt 10M 500 500 +0=
 500 +0 44.5654 118 20.3288 258<br>
</span><span title=3D"/mnt	1024bytes	5000000	5000000+0	5000000+0	43.7605	11=
7	42.1754	121" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: ari=
al, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">/ =
Mnt 1024bytes 5000000 5000000 +0 5000000 +0 43.7605 117 42.1754 121<br>
</span><span title=3D"/	100M	50	50+0	50+0	159.142	32.9	25.1047	209" class=
=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font=
-size: 16px; background-color: rgb(245, 245, 245); ">/ 100M 50 50 +0 50 +0 =
159.142 32.9 25.1047 209<br>
</span><span title=3D"/	10M	500	500+0	500+0	183.316	28.6	28.3515	185" class=
=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font=
-size: 16px; background-color: rgb(245, 245, 245); ">/ 10M 500 500 +0 500 +=
0 183.316 28.6 28.3515 185<br>
</span><span title=3D"/	1024bytes	5000000	5000000+0	5000000+0	175.724	29.1	=
36.3496	141" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial=
, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">/ 10=
24bytes 5000000 5000000 +0 5000000 +0 175.724 29.1 36.3496 141<br>
<br><br><br><br><br></span><span title=3D"=CD=F8=C2=E7=D0=D4=C4=DC=B2=E2=CA=
=D4" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-s=
erif; font-size: 16px; background-color: rgb(245, 245, 245); ">Network Perf=
ormance Testing<br></span><span title=3D"SCP=D0=D4=C4=DC=B2=E2=CA=D4" class=
=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font=
-size: 16px; background-color: rgb(245, 245, 245); ">SCP performance test<b=
r>
<br></span><span title=3D"=B2=E2=CA=D4=B7=BD=B7=A8" class=3D"" style=3D"col=
or: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; backg=
round-color: rgb(245, 245, 245); ">Test methods<br><br></span><span title=
=3D"=CD=A8=B9=FDscp =B4=F3=CE=C4=BC=FE=A3=A82G=D2=D4=C9=CF=A3=AC=B1=C8=C8=
=E7=F7=E8=F7=EB=CF=B5=CD=B3=B5=C4ISO=CE=C4=BC=FE=A3=A9=B2=E2=CA=D4=C6=E4=CD=
=F8=C2=E7=D0=D4=C4=DC=A1=A3" class=3D"" style=3D"color: rgb(51, 51, 51); fo=
nt-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 2=
45, 245); ">Large files via scp (2G or more, such as RHEL system ISO file) =
to test their network performance.<br>
<br></span><span title=3D"=B2=E2=CA=D4=BB=FA=D3=EB=D5=E6=CA=B5=BB=FA=C6=F7=
=A1=A2=D0=E9=C4=E2=BB=FA=B1=D8=D0=EB=CA=C7=C7=A7=D5=D7=CD=F8=CF=E0=C1=AC=A3=
=AC=CD=A8=B9=FD=CF=C2=C3=E6=C3=FC=C1=EE=B2=E9=BF=B4=A3=BA" class=3D"" style=
=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px=
; background-color: rgb(245, 245, 245); ">Testing machine with a real machi=
ne, the virtual machine must be connected to Gigabit Ethernet, with the fol=
lowing command:<br>
</span><span title=3D"[root@rhel-PowerEdge-1 ~]# ethtool eth0" class=3D"" s=
tyle=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: =
16px; background-color: rgb(245, 245, 245); ">[Root @ rhel-PowerEdge-1 ~] #=
 ethtool eth0<br>
</span><span title=3D"Settings for eth0:" class=3D"" style=3D"color: rgb(51=
, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-colo=
r: rgb(245, 245, 245); ">Settings for eth0:<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;</span><span title=3D"Supported ports: [ TP ]" class=3D=
"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font-si=
ze: 16px; background-color: rgb(245, 245, 245); ">Supported ports: [TP]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D"Suppo=
rted link modes: 10baseT/Half 10baseT/Full" class=3D"" style=3D"color: rgb(=
51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-co=
lor: rgb(245, 245, 245); ">Supported link modes: 10baseT/Half 10baseT/Full<=
br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D"100baseT/Ha=
lf 100baseT/Full" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: =
arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); "=
>100baseT/Half 100baseT/Full<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D"1000baseT/F=
ull" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-s=
erif; font-size: 16px; background-color: rgb(245, 245, 245); ">1000baseT/Fu=
ll<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D=
"Supports auto-negotiation: Yes" class=3D"" style=3D"color: rgb(51, 51, 51)=
; font-family: arial, sans-serif; font-size: 16px; background-color: rgb(24=
5, 245, 245); ">Supports auto-negotiation: Yes<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D"Adver=
tised link modes: 10baseT/Half 10baseT/Full" class=3D"" style=3D"color: rgb=
(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-c=
olor: rgb(245, 245, 245); ">Advertised link modes: 10baseT/Half 10baseT/Ful=
l<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D"100baseT/Ha=
lf 100baseT/Full" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: =
arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); "=
>100baseT/Half 100baseT/Full<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D"1000baseT/F=
ull" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-s=
erif; font-size: 16px; background-color: rgb(245, 245, 245); ">1000baseT/Fu=
ll<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D=
"Advertised pause frame use: No" class=3D"" style=3D"color: rgb(51, 51, 51)=
; font-family: arial, sans-serif; font-size: 16px; background-color: rgb(24=
5, 245, 245); ">Advertised pause frame use: No<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D"Adver=
tised auto-negotiation: Yes" class=3D"" style=3D"color: rgb(51, 51, 51); fo=
nt-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 2=
45, 245); ">Advertised auto-negotiation: Yes<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D"Speed=
: 1000Mb/s" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial,=
 sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">Speed=
: 1000Mb / s<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><spa=
n title=3D"Duplex: Full" class=3D"" style=3D"color: rgb(51, 51, 51); font-f=
amily: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, =
245); ">Duplex: Full<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D"Port:=
 Twisted Pair" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: ari=
al, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">Po=
rt: Twisted Pair<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>=
<span title=3D"PHYAD: 1" class=3D"" style=3D"color: rgb(51, 51, 51); font-f=
amily: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, =
245); ">PHYAD: 1<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D"Trans=
ceiver: internal" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: =
arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); "=
>Transceiver: internal<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<=
/span><span title=3D"Auto-negotiation: on" class=3D"" style=3D"color: rgb(5=
1, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-col=
or: rgb(245, 245, 245); ">Auto-negotiation: on<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D"MDI-X=
: Unknown" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, =
sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">MDI-X:=
 Unknown<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span ti=
tle=3D"Supports Wake-on: g" class=3D"" style=3D"color: rgb(51, 51, 51); fon=
t-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 24=
5, 245); ">Supports Wake-on: g<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D"Wake-=
on: d" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans=
-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">Wake-on: d=
<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D"L=
ink detected: yes" class=3D"" style=3D"color: rgb(51, 51, 51); font-family:=
 arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); =
">Link detected: yes<br>
</span><span title=3D"Speed: 1000Mb/s =BC=B4=C7=A7=D5=D7=A1=A3" class=3D"" =
style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size:=
 16px; background-color: rgb(245, 245, 245); ">Speed: 1000Mb / s that is Gi=
gabit.<br><br><br></span><span title=3D"=B2=E2=CA=D4=BD=E1=B9=FB" class=3D"=
" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font-siz=
e: 16px; background-color: rgb(245, 245, 245); ">Test results<br>
</span><span title=3D"=D7=A2=D2=E2=A3=BAwmware=CE=AAworkstation 7.1=A3=AC=
=BD=F6=B9=A9=B2=CE=BF=BC=A3=AC=CF=C2=CD=AC=A1=A3" class=3D"" style=3D"color=
: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; backgro=
und-color: rgb(245, 245, 245); ">Note: wmware to workstation 7.1, for refer=
ence, the same below.<br>
</span><span title=3D"	xen	=D5=E6=CA=B5=BB=FA	wmware	xen/=D5=E6=CA=B5=BB=FA=
=B1=C8=C0=FD" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: aria=
l, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">xen=
 real machine wmware xen / machine ratio of real<br>
</span><span title=3D"scp=CF=C2=D4=D8=CB=D9=B6=C8=A3=A8M/s=A3=A9	11.3	33.2	=
27.05	34.04%" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: aria=
l, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">scp=
 download speed (M / s) 11.3 33.2 27.05 34.04%<br>
</span><span title=3D"scp=C9=CF=B4=AB=CB=D9=B6=C8=A3=A8M/s=A3=A9	12.1	28.3	=
26.2	42.76%" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial=
, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">scp =
upload speed (M / s) 12.1 28.3 26.2 42.76%<br>
<br><br></span><span title=3D"Netperf" class=3D"" style=3D"color: rgb(51, 5=
1, 51); font-family: arial, sans-serif; font-size: 16px; background-color: =
rgb(245, 245, 245); ">Netperf<br><br></span><span title=3D"=B2=E2=CA=D4=B7=
=BD=B7=A8" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, =
sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">Test m=
ethods<br>
</span><span title=3D"=D7=BC=B1=B8=C1=ED=CD=E2=D2=BB=CC=A8=BB=FA=C6=F7A=A3=
=AC=B2=E2=CA=D4=BB=FA=C6=F7B,=D0=E9=C4=E2=BB=FAC=D3=EBA=D6=B1=BD=D3=C7=A7=
=D5=D7=CD=F8=C1=AC=BD=D3=A3=A8=CD=AC=C9=CF=A3=A9=A1=A3" class=3D"" style=3D=
"color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; b=
ackground-color: rgb(245, 245, 245); ">Prepare another machine A, the test =
machine B, C and A virtual machine to connect directly to Gigabit Ethernet =
(ibid.).<br>
</span><span title=3D"A=A1=A2B=A1=A2=D0=E9=C4=E2=BB=FA=BE=F9=B0=B2=D7=B0net=
perf-2.4.5-1.ky3.x86_64.rpm=B0=FC=A1=A3" class=3D"" style=3D"color: rgb(51,=
 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color=
: rgb(245, 245, 245); ">A, B, virtual machines are installed netperf-2.4.5-=
1.ky3.x86_64.rpm package.<br>
<br></span><span title=3D"=B1=BB=B2=E2=CA=D4=BB=FA=C6=F7=A3=A8=C8=E7B,=BB=
=F2=D5=DF=D0=E9=C4=E2=BB=FA=A3=A9=D4=CB=D0=D0=B7=FE=CE=F1=C6=F7=B6=CB=A3=BA=
" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-seri=
f; font-size: 16px; background-color: rgb(245, 245, 245); ">The machine bei=
ng tested (such as B, or virtual machine) running the server side:<br>
</span><span title=3D"[root@rhel-PowerEdge-1 ~]# netserver" class=3D"" styl=
e=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16p=
x; background-color: rgb(245, 245, 245); ">[Root @ rhel-PowerEdge-1 ~] # ne=
tserver<br>
</span><span title=3D"Starting netserver at port 12865" class=3D"" style=3D=
"color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; b=
ackground-color: rgb(245, 245, 245); ">Starting netserver at port 12865<br>=
</span><span title=3D"Starting netserver at hostname 0.0.0.0 port 12865 and=
 family AF_UNSPEC" class=3D"" style=3D"color: rgb(51, 51, 51); font-family:=
 arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); =
">Starting netserver at hostname 0.0.0.0 port 12865 and family AF_UNSPEC<br=
>
<br></span><span title=3D"A=BB=FA=C6=F7=C9=CF=D0=DE=B8=C4=B2=E2=CA=D4=BF=CD=
=BB=A7=B6=CB=BD=C5=B1=BE=A3=A8/usr/local/sbin/netclient.sh=A3=A9=A3=AC=C4=
=DA=C8=DD=C8=E7=CF=C2=A3=BA" class=3D"" style=3D"color: rgb(51, 51, 51); fo=
nt-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 2=
45, 245); ">A machine to modify the test client script (/ usr / local / sbi=
n / netclient.sh), reads as follows:<br>
</span><span title=3D"#!/bin/sh" class=3D"" style=3D"color: rgb(51, 51, 51)=
; font-family: arial, sans-serif; font-size: 16px; background-color: rgb(24=
5, 245, 245); ">#! / Bin / sh<br></span><span title=3D"SERVERIP=3D$1" class=
=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font=
-size: 16px; background-color: rgb(245, 245, 245); ">SERVERIP =3D $ 1<br>
</span><span title=3D"OUT=3D$2" class=3D"" style=3D"color: rgb(51, 51, 51);=
 font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245=
, 245, 245); ">OUT =3D $ 2<br><br></span><span title=3D"if [ &quot;$SERVERI=
P&quot; =3D=3D &quot;&quot; -o &quot;$OUT&quot; =3D=3D &quot;&quot; ]; then=
" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-seri=
f; font-size: 16px; background-color: rgb(245, 245, 245); ">if [&quot;$ SER=
VERIP&quot; =3D=3D &quot;&quot;-o &quot;$ OUT&quot; =3D=3D &quot;&quot;]; t=
hen<br>
</span><span title=3D"	echo &quot;netclient &lt;Server IP&gt; &lt;OUTPUT FI=
LE&gt;&quot;" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: aria=
l, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">ech=
o &quot;netclient &lt;Server IP&gt; &lt;OUTPUT FILE&gt;&quot;<br>
</span><span title=3D"	exit 1" class=3D"" style=3D"color: rgb(51, 51, 51); =
font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245,=
 245, 245); ">exit 1<br></span><span title=3D"fi" class=3D"" style=3D"color=
: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; backgro=
und-color: rgb(245, 245, 245); ">fi<br>
<br></span><span title=3D"netperf -H $SERVERIP -i 10,2 -I 99,5 -- -m 4096 -=
s 128K -S 128K &gt; $OUT" class=3D"" style=3D"color: rgb(51, 51, 51); font-=
family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245,=
 245); ">netperf-H $ SERVERIP-i 10,2-I 99,5 --m 4096-s 128K-S 128K&gt; $ OU=
T<br>
</span><span title=3D"netperf -H $SERVERIP -i 10,2 -I 99,5 -- -m 4096 -s 57=
344 -S 57344 &gt;&gt; $OUT" class=3D"" style=3D"color: rgb(51, 51, 51); fon=
t-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 24=
5, 245); ">netperf-H $ SERVERIP-i 10,2-I 99,5 --m 4096-s 57344-S 57344&gt;&=
gt; $ OUT<br>
</span><span title=3D"netperf -H $SERVERIP -t TCP_CRR -r 32,1024 &gt;&gt; $=
OUT" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-s=
erif; font-size: 16px; background-color: rgb(245, 245, 245); ">netperf-H $ =
SERVERIP-t TCP_CRR-r 32,1024&gt;&gt; $ OUT<br>
<br><br><br></span><span title=3D"=D4=CB=D0=D0=B2=E2=CA=D4=BD=C5=B1=BE=A3=
=BA" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-s=
erif; font-size: 16px; background-color: rgb(245, 245, 245); ">Run the test=
 script:<br></span><span title=3D"[root@rhel-PowerEdge-1 ~]# sh /usr/local/=
sbin/netclient.sh =B6=D4=B7=BD=D6=F7=BB=FA=BB=F2=D0=E9=C4=E2=BB=FAip =B2=E2=
=CA=D4=BD=E1=B9=FB.log" class=3D"" style=3D"color: rgb(51, 51, 51); font-fa=
mily: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 2=
45); ">[Root @ rhel-PowerEdge-1 ~] # sh / usr / local / sbin / netclient.sh=
 other host or virtual machine ip test results. Log<br>
<br><br></span><span title=3D"=B2=E2=CA=D4=BD=E1=B9=FB" class=3D"" style=3D=
"color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; b=
ackground-color: rgb(245, 245, 245); ">Test results<br><br><br><br></span><=
span title=3D"	xen	=D5=E6=CA=B5=BB=FA	wmware	xen/=D5=E6=CA=B5=BB=FA=B1=C8=
=C0=FD" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, san=
s-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">xen real =
machine wmware xen / machine ratio of real<br>
</span><span title=3D"=CD=F8=C2=E7=CD=CC=CD=C2=C1=BF1=A3=A8=BB=BA=B4=E6=D0=
=A1=D3=DA=B1=A8=CE=C4=CA=B1=A3=A9=A3=A810^6bit/sec=A3=A9	139.16	820.64	519	=
16.96%" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, san=
s-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">Network t=
hroughput 1 (less than the packet buffer) (10 ^ 6bit/sec) 139.16 820.64 519=
 16.96%<br>
</span><span title=3D"=CD=F8=C2=E7=CD=CC=CD=C2=C1=BF2=A3=A8=BB=BA=B4=E6=B4=
=F3=D3=DA=B1=A8=CE=C4=CA=B1=A3=A9=A3=A810^6bit/sec=A3=A9	151.97	819.78	485.=
19	18.54%" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, =
sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">Networ=
k throughput 2 (when the cache is greater than the packet) (10 ^ 6bit/sec) =
151.97 819.78 485.19 18.54%<br>
</span><span title=3D"=D2=BB=C3=EB=D6=D3=D0=C2=BD=A8=C1=A2TCP=C1=AC=BD=D3=
=B4=CE=CA=FD=A3=A8=B4=CE/s=A3=A9	763.83	2508.85	1357.3	30.45%" class=3D"" s=
tyle=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: =
16px; background-color: rgb(245, 245, 245); ">A second new TCP connection (=
times / s) 763.83 2508 .85 1357.3 30.45%<br>
<br></span><span title=3D"=D7=A2=A3=BA=D2=D4=C9=CF=B6=BC=CA=C7=C6=BD=BE=F9=
=D6=B5=A1=A3" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: aria=
l, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">Not=
e: These are average.<br><br><br><br><br><br><br><br>
<br></span><span title=3D"=CD=F8=C2=E7=CE=C4=BC=FE=CF=B5=CD=B3=D0=D4=C4=DC=
=B2=E2=CA=D4" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: aria=
l, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">Net=
work File System Performance Test<br></span><span title=3D"nfs-io=B2=E2=CA=
=D4=A3=A8dd=B2=E2=CA=D4=A3=A9" class=3D"" style=3D"color: rgb(51, 51, 51); =
font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245,=
 245, 245); ">nfs-io test (dd test)<br>
<br></span><span title=3D"=B2=E2=CA=D4=B7=BD=B7=A8" class=3D"" style=3D"col=
or: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; backg=
round-color: rgb(245, 245, 245); ">Test methods<br></span><span title=3D"=
=D6=F7=BB=FAC=B9=D2=D4=D8SAN=C5=CC=D5=F3=A3=AC=B2=A2=CC=E1=B9=A9NFS=B7=FE=
=CE=F1=A3=AC=D3=EB=D6=F7=BB=FAA=A3=A8=BC=B0=D0=E9=C4=E2=BB=FA=A3=A9=C7=A7=
=D5=D7=D2=D4=CC=AB=CD=F8=C1=AC=BD=D3=A1=A3" class=3D"" style=3D"color: rgb(=
51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-co=
lor: rgb(245, 245, 245); ">Host C mount SAN disk array, and provide NFS ser=
vices, and host A (and the virtual machine) Gigabit Ethernet connection.<br=
>
</span><span title=3D"A(=BB=F2=D5=DF=D0=E9=C4=E2=BB=FA)=B9=D2=D4=D8=B5=BD/m=
nt=A3=AC=C8=BB=BA=F3=CD=A8=B9=FD=BD=C5=B1=BEdd.sh:" class=3D"" style=3D"col=
or: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; backg=
round-color: rgb(245, 245, 245); ">A (or virtual machine) mounted on / mnt,=
 then the script dd.sh:<br>
</span><span title=3D"#!/bin/bash" class=3D"" style=3D"color: rgb(51, 51, 5=
1); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(=
245, 245, 245); ">#! / Bin / bash<br></span><span title=3D"#mnt" class=3D""=
 style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size=
: 16px; background-color: rgb(245, 245, 245); "># Mnt<br>
</span><span title=3D"echo &quot;/mnt&quot;" class=3D"" style=3D"color: rgb=
(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-c=
olor: rgb(245, 245, 245); ">echo &quot;/ mnt&quot;<br></span><span title=3D=
"echo &quot;dd if=3D/dev/zero of=3D/mnt/test0.date bs=3D100M count=3D50&quo=
t;" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-se=
rif; font-size: 16px; background-color: rgb(245, 245, 245); ">echo &quot;dd=
 if =3D / dev / zero of =3D / mnt/test0.date bs =3D 100M count =3D 50&quot;=
<br>
</span><span title=3D"dd if=3D/dev/zero of=3D/mnt/test0.date bs=3D100M coun=
t=3D50" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, san=
s-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">dd if =3D=
 / dev / zero of =3D / mnt/test0.date bs =3D 100M count =3D 50<br>
</span><span title=3D"rm -rf /mnt/test0.date" class=3D"" style=3D"color: rg=
b(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-=
color: rgb(245, 245, 245); ">rm-rf / mnt/test0.date<br></span><span title=
=3D"echo &quot;dd if=3D/dev/zero of=3D/mnt/test1.date bs=3D10M count=3D500&=
quot;" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans=
-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">echo &quot=
;dd if =3D / dev / zero of =3D / mnt/test1.date bs =3D 10M count =3D 500&qu=
ot;<br>
</span><span title=3D"dd if=3D/dev/zero of=3D/mnt/test1.date bs=3D10M count=
=3D500" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, san=
s-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">dd if =3D=
 / dev / zero of =3D / mnt/test1.date bs =3D 10M count =3D 500<br>
</span><span title=3D"rm -rf /mnt/test1.date" class=3D"" style=3D"color: rg=
b(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-=
color: rgb(245, 245, 245); ">rm-rf / mnt/test1.date<br></span><span title=
=3D"echo &quot;dd if=3D/dev/zero of=3D/mnt/test2.date bs=3D1024 count=3D500=
0000&quot;" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial,=
 sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">echo =
&quot;dd if =3D / dev / zero of =3D / mnt/test2.date bs =3D 1024 count =3D =
5000000&quot;<br>
</span><span title=3D"dd if=3D/dev/zero of=3D/mnt/test2.date bs=3D1024 coun=
t=3D5000000" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial=
, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">dd i=
f =3D / dev / zero of =3D / mnt/test2.date bs =3D 1024 count =3D 5000000<br=
>
</span><span title=3D"rm -rf /mnt/test2.date" class=3D"" style=3D"color: rg=
b(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-=
color: rgb(245, 245, 245); ">rm-rf / mnt/test2.date<br><br></span><span tit=
le=3D"#sh dd.sh 2&amp;&gt;test_nfs.log" class=3D"" style=3D"color: rgb(51, =
51, 51); font-family: arial, sans-serif; font-size: 16px; background-color:=
 rgb(245, 245, 245); "># Sh dd.sh 2 &amp;&gt; test_nfs.log<br>
<br></span><span title=3D"=B2=E2=CA=D4=BD=E1=B9=FB" class=3D"" style=3D"col=
or: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; backg=
round-color: rgb(245, 245, 245); ">Test results<br><br><br></span><span tit=
le=3D"	xen	=D5=E6=CA=B5=BB=FA	=D0=D4=C4=DC=B1=C8" class=3D"" style=3D"color=
: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; backgro=
und-color: rgb(245, 245, 245); ">performance than the real machine xen<br>
</span><span title=3D"=CD=F8=C2=E7io=CB=D9=B6=C8M/s	7.5	87.6	8.56%" class=
=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font=
-size: 16px; background-color: rgb(245, 245, 245); ">Network io speed M / s=
 7.5 87.6 8.56%<br></span><span title=3D"=CD=F8=C2=E7io=CB=D9=B6=C8M/s	7.6	=
90.5	8.40%" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial,=
 sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">Netwo=
rk io speed M / s 7.6 90.5 8.40%<br>
</span><span title=3D"=CD=F8=C2=E7io=CB=D9=B6=C8M/s	7.4	86.6	8.55%" class=
=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font=
-size: 16px; background-color: rgb(245, 245, 245); ">Network io speed M / s=
 7.4 86.6 8.55%<br></span><span title=3D"=C6=BD=BE=F9=D6=B5	7.5	88.21	8.50%=
" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-seri=
f; font-size: 16px; background-color: rgb(245, 245, 245); ">Average 7.5 88.=
21 8.50%</span>

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To: xen-users@lists.xensource.com
Subject: [Xen-users] xen the i / O performance,
 network performance is only 20-30% of the real machine?
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First,sorry my poor english~
Here is this test:

Virtualization performance comparison test

Test environment
Physical machine:
Cpu 8-core
8G memory
HDD: 147G

xen virtual machine:
cpu 2 core
4G memory
30G hard drive

wmware virtual machine:
cpu 2 core
4G memory
30G hard drive


Optical disk array (san)
Size: 7.7T
Speed: 6G/sec

Testing and structural
I / 0 performance test
Test methods
Test performance by dd, the script is as follows:

#! / Bin / bash
# Mnt
echo "/ mnt"
echo "dd if = / dev / zero of = / mnt/test0.date bs = 100M count = 50"
dd if = / dev / zero of = / mnt/test0.date bs = 100M count = 50
rm-rf / mnt/test0.date
echo "dd if = / dev / zero of = / mnt/test1.date bs = 10M count = 500"
dd if = / dev / zero of = / mnt/test1.date bs = 10M count = 500
rm-rf / mnt/test1.date
echo "dd if = / dev / zero of = / mnt/test2.date bs = 1024 count = 5000000"
dd if = / dev / zero of = / mnt/test2.date bs = 1024 count = 5000000
rm-rf / mnt/test2.date

# /
echo "/"
echo "dd if = / dev / zero of = / test0.date bs = 100M count = 50"
dd if = / dev / zero of = / test0.date bs = 100M count = 50
rm-rf / test0.date
echo "dd if = / dev / zero of = / test1.date bs = 10M count = 500"
dd if = / dev / zero of = / test1.date bs = 10M count = 500
rm-rf / test1.date
echo "dd if = / dev / zero of = / test2.date bs = 1024 count = 5000000"
dd if = / dev / zero of = / test2.date bs = 1024 count = 5000000
rm-rf / test2.date

Respectively, the real physical machines, virtual machines, test /
directory and the / mnt directory (directly mounted optical disk array) for
the test.

Test results

Catalog record read into the record bs count read out time (xen) MB / time
(xen) time (local) MB / time (local)
/ Mnt 100M 50 50 +0 50 +0 39.7209 132 19.4492 270
/ Mnt 10M 500 500 +0 500 +0 44.5654 118 20.3288 258
/ Mnt 1024bytes 5000000 5000000 +0 5000000 +0 43.7605 117 42.1754 121
/ 100M 50 50 +0 50 +0 159.142 32.9 25.1047 209
/ 10M 500 500 +0 500 +0 183.316 28.6 28.3515 185
/ 1024bytes 5000000 5000000 +0 5000000 +0 175.724 29.1 36.3496 141





Network Performance Testing
SCP performance test

Test methods

Large files via scp (2G or more, such as RHEL system ISO file) to test
their network performance.

Testing machine with a real machine, the virtual machine must be connected
to Gigabit Ethernet, with the following command:
[Root @ rhel-PowerEdge-1 ~] # ethtool eth0
Settings for eth0:
        Supported ports: [TP]
        Supported link modes: 10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
                                1000baseT/Full
        Supports auto-negotiation: Yes
        Advertised link modes: 10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
                                1000baseT/Full
        Advertised pause frame use: No
        Advertised auto-negotiation: Yes
        Speed: 1000Mb / s
        Duplex: Full
        Port: Twisted Pair
        PHYAD: 1
        Transceiver: internal
        Auto-negotiation: on
        MDI-X: Unknown
        Supports Wake-on: g
        Wake-on: d
        Link detected: yes
Speed: 1000Mb / s that is Gigabit.


Test results
Note: wmware to workstation 7.1, for reference, the same below.
xen real machine wmware xen / machine ratio of real
scp download speed (M / s) 11.3 33.2 27.05 34.04%
scp upload speed (M / s) 12.1 28.3 26.2 42.76%


Netperf

Test methods
Prepare another machine A, the test machine B, C and A virtual machine to
connect directly to Gigabit Ethernet (ibid.).
A, B, virtual machines are installed netperf-2.4.5-1.ky3.x86_64.rpm package.

The machine being tested (such as B, or virtual machine) running the server
side:
[Root @ rhel-PowerEdge-1 ~] # netserver
Starting netserver at port 12865
Starting netserver at hostname 0.0.0.0 port 12865 and family AF_UNSPEC

A machine to modify the test client script (/ usr / local / sbin /
netclient.sh), reads as follows:
#! / Bin / sh
SERVERIP = $ 1
OUT = $ 2

if ["$ SERVERIP" == ""-o "$ OUT" == ""]; then
echo "netclient <Server IP> <OUTPUT FILE>"
exit 1
fi

netperf-H $ SERVERIP-i 10,2-I 99,5 --m 4096-s 128K-S 128K> $ OUT
netperf-H $ SERVERIP-i 10,2-I 99,5 --m 4096-s 57344-S 57344>> $ OUT
netperf-H $ SERVERIP-t TCP_CRR-r 32,1024>> $ OUT



Run the test script:
[Root @ rhel-PowerEdge-1 ~] # sh / usr / local / sbin / netclient.sh other
host or virtual machine ip test results. Log


Test results



xen real machine wmware xen / machine ratio of real
Network throughput 1 (less than the packet buffer) (10 ^ 6bit/sec) 139.16
820.64 519 16.96%
Network throughput 2 (when the cache is greater than the packet) (10 ^
6bit/sec) 151.97 819.78 485.19 18.54%
A second new TCP connection (times / s) 763.83 2508 .85 1357.3 30.45%

Note: These are average.








Network File System Performance Test
nfs-io test (dd test)

Test methods
Host C mount SAN disk array, and provide NFS services, and host A (and the
virtual machine) Gigabit Ethernet connection.
A (or virtual machine) mounted on / mnt, then the script dd.sh:
#! / Bin / bash
# Mnt
echo "/ mnt"
echo "dd if = / dev / zero of = / mnt/test0.date bs = 100M count = 50"
dd if = / dev / zero of = / mnt/test0.date bs = 100M count = 50
rm-rf / mnt/test0.date
echo "dd if = / dev / zero of = / mnt/test1.date bs = 10M count = 500"
dd if = / dev / zero of = / mnt/test1.date bs = 10M count = 500
rm-rf / mnt/test1.date
echo "dd if = / dev / zero of = / mnt/test2.date bs = 1024 count = 5000000"
dd if = / dev / zero of = / mnt/test2.date bs = 1024 count = 5000000
rm-rf / mnt/test2.date

# Sh dd.sh 2 &> test_nfs.log

Test results


performance than the real machine xen
Network io speed M / s 7.5 87.6 8.56%
Network io speed M / s 7.6 90.5 8.40%
Network io speed M / s 7.4 86.6 8.55%
Average 7.5 88.21 8.50%

--20cf30563c358fe63a04b3a560c2
Content-Type: text/html; charset=GB2312
Content-Transfer-Encoding: quoted-printable

<div><span title=3D"=D0=E9=C4=E2=BB=AF=D0=D4=C4=DC=B6=D4=B1=C8=B2=E2=CA=D4"=
 class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif=
; font-size: 16px; background-color: rgb(245, 245, 245); ">First,sorry my p=
oor english~</span></div><div><span title=3D"=D0=E9=C4=E2=BB=AF=D0=D4=C4=DC=
=B6=D4=B1=C8=B2=E2=CA=D4" class=3D"" style=3D"color: rgb(51, 51, 51); font-=
family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245,=
 245); ">Here is this test:</span></div>
<div><span title=3D"=D0=E9=C4=E2=BB=AF=D0=D4=C4=DC=B6=D4=B1=C8=B2=E2=CA=D4"=
 class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif=
; font-size: 16px; background-color: rgb(245, 245, 245); "><br></span></div=
><span title=3D"=D0=E9=C4=E2=BB=AF=D0=D4=C4=DC=B6=D4=B1=C8=B2=E2=CA=D4" cla=
ss=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; fo=
nt-size: 16px; background-color: rgb(245, 245, 245); ">Virtualization perfo=
rmance comparison test<br>
<br></span><span title=3D"=B2=E2=CA=D4=BB=B7=BE=B3" class=3D"" style=3D"col=
or: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; backg=
round-color: rgb(245, 245, 245); ">Test environment<br></span><span title=
=3D"=CE=EF=C0=ED=BB=FA=A3=BA" class=3D"" style=3D"color: rgb(51, 51, 51); f=
ont-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, =
245, 245); ">Physical machine:<br>
</span><span title=3D"	Cpu 8=BA=CB" class=3D"" style=3D"color: rgb(51, 51, =
51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb=
(245, 245, 245); ">Cpu 8-core<br></span><span title=3D"	=C4=DA=B4=E6 8G" cl=
ass=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; f=
ont-size: 16px; background-color: rgb(245, 245, 245); ">8G memory<br>
</span><span title=3D"	=D3=B2=C5=CC=A3=BA 147G" class=3D"" style=3D"color: =
rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; backgroun=
d-color: rgb(245, 245, 245); ">HDD: 147G<br><br></span><span title=3D"xen=
=D0=E9=C4=E2=BB=FA=A3=BA" class=3D"" style=3D"color: rgb(51, 51, 51); font-=
family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245,=
 245); ">xen virtual machine:<br>
</span><span title=3D"	cpu 2=BA=CB" class=3D"" style=3D"color: rgb(51, 51, =
51); font-family: arial, sans-serif; font-size: 16px; background-color: rgb=
(245, 245, 245); ">cpu 2 core<br></span><span title=3D"	=C4=DA=B4=E64G" cla=
ss=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; fo=
nt-size: 16px; background-color: rgb(245, 245, 245); ">4G memory<br>
</span><span title=3D"	=D3=B2=C5=CC30G" class=3D"" style=3D"color: rgb(51, =
51, 51); font-family: arial, sans-serif; font-size: 16px; background-color:=
 rgb(245, 245, 245); ">30G hard drive<br></span><span title=3D"	" class=3D"=
" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font-siz=
e: 16px; background-color: rgb(245, 245, 245); "><br>
</span><span title=3D"wmware=D0=E9=C4=E2=BB=FA=A3=BA" class=3D"" style=3D"c=
olor: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; bac=
kground-color: rgb(245, 245, 245); ">wmware virtual machine:<br></span><spa=
n title=3D"	cpu 2=BA=CB" class=3D"" style=3D"color: rgb(51, 51, 51); font-f=
amily: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, =
245); ">cpu 2 core<br>
</span><span title=3D"	=C4=DA=B4=E64G" class=3D"" style=3D"color: rgb(51, 5=
1, 51); font-family: arial, sans-serif; font-size: 16px; background-color: =
rgb(245, 245, 245); ">4G memory<br></span><span title=3D"	=D3=B2=C5=CC30G" =
class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif;=
 font-size: 16px; background-color: rgb(245, 245, 245); ">30G hard drive<br=
>
</span><span title=3D"	" class=3D"" style=3D"color: rgb(51, 51, 51); font-f=
amily: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, =
245); "><br><br></span><span title=3D"=B9=E2=CF=CB=C5=CC=D5=F3(san)" class=
=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font=
-size: 16px; background-color: rgb(245, 245, 245); ">Optical disk array (sa=
n)<br>
</span><span title=3D"=B4=F3=D0=A1=A3=BA7.7T" class=3D"" style=3D"color: rg=
b(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-=
color: rgb(245, 245, 245); ">Size: 7.7T<br></span><span title=3D"=CB=D9=B6=
=C8=A3=BA6G/sec" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: a=
rial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">=
Speed: 6G/sec<br>
<br></span><span title=3D"=B2=E2=CA=D4=BA=CD=BD=E1=B9=B9" class=3D"" style=
=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px=
; background-color: rgb(245, 245, 245); ">Testing and structural<br></span>=
<span title=3D"I/0=D0=D4=C4=DC=B2=E2=CA=D4" class=3D"" style=3D"color: rgb(=
51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-co=
lor: rgb(245, 245, 245); ">I / 0 performance test<br>
</span><span title=3D"=B2=E2=CA=D4=B7=BD=B7=A8" class=3D"" style=3D"color: =
rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; backgroun=
d-color: rgb(245, 245, 245); ">Test methods<br></span><span title=3D"=CD=A8=
=B9=FDdd=B2=E2=CA=D4=D0=D4=C4=DC=A3=AC=BD=C5=B1=BE=C8=E7=CF=C2=A3=BA" class=
=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font=
-size: 16px; background-color: rgb(245, 245, 245); ">Test performance by dd=
, the script is as follows:<br>
<br></span><span title=3D"#!/bin/bash" class=3D"" style=3D"color: rgb(51, 5=
1, 51); font-family: arial, sans-serif; font-size: 16px; background-color: =
rgb(245, 245, 245); ">#! / Bin / bash<br></span><span title=3D"#mnt" class=
=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font=
-size: 16px; background-color: rgb(245, 245, 245); "># Mnt<br>
</span><span title=3D"echo &quot;/mnt&quot;" class=3D"" style=3D"color: rgb=
(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-c=
olor: rgb(245, 245, 245); ">echo &quot;/ mnt&quot;<br></span><span title=3D=
"echo &quot;dd if=3D/dev/zero of=3D/mnt/test0.date bs=3D100M count=3D50&quo=
t;" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-se=
rif; font-size: 16px; background-color: rgb(245, 245, 245); ">echo &quot;dd=
 if =3D / dev / zero of =3D / mnt/test0.date bs =3D 100M count =3D 50&quot;=
<br>
</span><span title=3D"dd if=3D/dev/zero of=3D/mnt/test0.date bs=3D100M coun=
t=3D50" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, san=
s-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">dd if =3D=
 / dev / zero of =3D / mnt/test0.date bs =3D 100M count =3D 50<br>
</span><span title=3D"rm -rf /mnt/test0.date" class=3D"" style=3D"color: rg=
b(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-=
color: rgb(245, 245, 245); ">rm-rf / mnt/test0.date<br></span><span title=
=3D"echo &quot;dd if=3D/dev/zero of=3D/mnt/test1.date bs=3D10M count=3D500&=
quot;" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans=
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;dd if =3D / dev / zero of =3D / mnt/test1.date bs =3D 10M count =3D 500&qu=
ot;<br>
</span><span title=3D"dd if=3D/dev/zero of=3D/mnt/test1.date bs=3D10M count=
=3D500" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, san=
s-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">dd if =3D=
 / dev / zero of =3D / mnt/test1.date bs =3D 10M count =3D 500<br>
</span><span title=3D"rm -rf /mnt/test1.date" class=3D"" style=3D"color: rg=
b(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-=
color: rgb(245, 245, 245); ">rm-rf / mnt/test1.date<br></span><span title=
=3D"echo &quot;dd if=3D/dev/zero of=3D/mnt/test2.date bs=3D1024 count=3D500=
0000&quot;" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial,=
 sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">echo =
&quot;dd if =3D / dev / zero of =3D / mnt/test2.date bs =3D 1024 count =3D =
5000000&quot;<br>
</span><span title=3D"dd if=3D/dev/zero of=3D/mnt/test2.date bs=3D1024 coun=
t=3D5000000" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial=
, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">dd i=
f =3D / dev / zero of =3D / mnt/test2.date bs =3D 1024 count =3D 5000000<br=
>
</span><span title=3D"rm -rf /mnt/test2.date" class=3D"" style=3D"color: rg=
b(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-=
color: rgb(245, 245, 245); ">rm-rf / mnt/test2.date<br><br></span><span tit=
le=3D"#/" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, s=
ans-serif; font-size: 16px; background-color: rgb(245, 245, 245); "># /<br>
</span><span title=3D"echo &quot;/&quot;" class=3D"" style=3D"color: rgb(51=
, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-colo=
r: rgb(245, 245, 245); ">echo &quot;/&quot;<br></span><span title=3D"echo &=
quot;dd if=3D/dev/zero of=3D/test0.date bs=3D100M count=3D50&quot;" class=
=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font=
-size: 16px; background-color: rgb(245, 245, 245); ">echo &quot;dd if =3D /=
 dev / zero of =3D / test0.date bs =3D 100M count =3D 50&quot;<br>
</span><span title=3D"dd if=3D/dev/zero of=3D/test0.date bs=3D100M count=3D=
50" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-se=
rif; font-size: 16px; background-color: rgb(245, 245, 245); ">dd if =3D / d=
ev / zero of =3D / test0.date bs =3D 100M count =3D 50<br>
</span><span title=3D"rm -rf /test0.date" class=3D"" style=3D"color: rgb(51=
, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-colo=
r: rgb(245, 245, 245); ">rm-rf / test0.date<br></span><span title=3D"echo &=
quot;dd if=3D/dev/zero of=3D/test1.date bs=3D10M count=3D500&quot;" class=
=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font=
-size: 16px; background-color: rgb(245, 245, 245); ">echo &quot;dd if =3D /=
 dev / zero of =3D / test1.date bs =3D 10M count =3D 500&quot;<br>
</span><span title=3D"dd if=3D/dev/zero of=3D/test1.date bs=3D10M count=3D5=
00" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-se=
rif; font-size: 16px; background-color: rgb(245, 245, 245); ">dd if =3D / d=
ev / zero of =3D / test1.date bs =3D 10M count =3D 500<br>
</span><span title=3D"rm -rf /test1.date" class=3D"" style=3D"color: rgb(51=
, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-colo=
r: rgb(245, 245, 245); ">rm-rf / test1.date<br></span><span title=3D"echo &=
quot;dd if=3D/dev/zero of=3D/test2.date bs=3D1024 count=3D5000000&quot;" cl=
ass=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; f=
ont-size: 16px; background-color: rgb(245, 245, 245); ">echo &quot;dd if =
=3D / dev / zero of =3D / test2.date bs =3D 1024 count =3D 5000000&quot;<br=
>
</span><span title=3D"dd if=3D/dev/zero of=3D/test2.date bs=3D1024 count=3D=
5000000" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sa=
ns-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">dd if =
=3D / dev / zero of =3D / test2.date bs =3D 1024 count =3D 5000000<br>
</span><span title=3D"rm -rf /test2.date" class=3D"" style=3D"color: rgb(51=
, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-colo=
r: rgb(245, 245, 245); ">rm-rf / test2.date<br><br></span><span title=3D"=
=B7=D6=B1=F0=B6=D4=CE=EF=C0=ED=D5=E6=CA=B5=BB=FA=C6=F7=A1=A2=D0=E9=C4=E2=BB=
=FA, =B2=E2=CA=D4/=C4=BF=C2=BC=BA=CD/mnt=C4=BF=C2=BC=A3=A8=D6=B1=BD=D3=B9=
=D2=D4=D8=B9=E2=CF=CB=C5=CC=D5=F3=A3=A9=BD=F8=D0=D0=C9=CF=CA=F6=B2=E2=CA=D4=
=A1=A3" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, san=
s-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">Respectiv=
ely, the real physical machines, virtual machines, test / directory and the=
 / mnt directory (directly mounted optical disk array) for the test.<br>
<br></span><span title=3D"=B2=E2=CA=D4=BD=E1=B9=FB" class=3D"" style=3D"col=
or: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; backg=
round-color: rgb(245, 245, 245); ">Test results<br><br></span><span title=
=3D"=C4=BF=C2=BC	bs	count	=BC=C7=C2=BC=B6=C1=C8=EB	=BC=C7=C2=BC=B6=C1=B3=F6=
	time=A3=A8xen=A3=A9	MB/time=A3=A8xen=A3=A9	time=A3=A8local=A3=A9	MB/time=
=A3=A8local=A3=A9" class=3D"" style=3D"color: rgb(51, 51, 51); font-family:=
 arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); =
">Catalog record read into the record bs count read out time (xen) MB / tim=
e (xen) time (local) MB / time (local)<br>
</span><span title=3D"/mnt	100M	50	50+0	50+0	39.7209	132	19.4492	270" class=
=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font=
-size: 16px; background-color: rgb(245, 245, 245); ">/ Mnt 100M 50 50 +0 50=
 +0 39.7209 132 19.4492 270<br>
</span><span title=3D"/mnt	10M	500	500+0	500+0	44.5654	118	20.3288	258" cla=
ss=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; fo=
nt-size: 16px; background-color: rgb(245, 245, 245); ">/ Mnt 10M 500 500 +0=
 500 +0 44.5654 118 20.3288 258<br>
</span><span title=3D"/mnt	1024bytes	5000000	5000000+0	5000000+0	43.7605	11=
7	42.1754	121" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: ari=
al, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">/ =
Mnt 1024bytes 5000000 5000000 +0 5000000 +0 43.7605 117 42.1754 121<br>
</span><span title=3D"/	100M	50	50+0	50+0	159.142	32.9	25.1047	209" class=
=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font=
-size: 16px; background-color: rgb(245, 245, 245); ">/ 100M 50 50 +0 50 +0 =
159.142 32.9 25.1047 209<br>
</span><span title=3D"/	10M	500	500+0	500+0	183.316	28.6	28.3515	185" class=
=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font=
-size: 16px; background-color: rgb(245, 245, 245); ">/ 10M 500 500 +0 500 +=
0 183.316 28.6 28.3515 185<br>
</span><span title=3D"/	1024bytes	5000000	5000000+0	5000000+0	175.724	29.1	=
36.3496	141" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial=
, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">/ 10=
24bytes 5000000 5000000 +0 5000000 +0 175.724 29.1 36.3496 141<br>
<br><br><br><br><br></span><span title=3D"=CD=F8=C2=E7=D0=D4=C4=DC=B2=E2=CA=
=D4" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-s=
erif; font-size: 16px; background-color: rgb(245, 245, 245); ">Network Perf=
ormance Testing<br></span><span title=3D"SCP=D0=D4=C4=DC=B2=E2=CA=D4" class=
=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font=
-size: 16px; background-color: rgb(245, 245, 245); ">SCP performance test<b=
r>
<br></span><span title=3D"=B2=E2=CA=D4=B7=BD=B7=A8" class=3D"" style=3D"col=
or: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; backg=
round-color: rgb(245, 245, 245); ">Test methods<br><br></span><span title=
=3D"=CD=A8=B9=FDscp =B4=F3=CE=C4=BC=FE=A3=A82G=D2=D4=C9=CF=A3=AC=B1=C8=C8=
=E7=F7=E8=F7=EB=CF=B5=CD=B3=B5=C4ISO=CE=C4=BC=FE=A3=A9=B2=E2=CA=D4=C6=E4=CD=
=F8=C2=E7=D0=D4=C4=DC=A1=A3" class=3D"" style=3D"color: rgb(51, 51, 51); fo=
nt-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 2=
45, 245); ">Large files via scp (2G or more, such as RHEL system ISO file) =
to test their network performance.<br>
<br></span><span title=3D"=B2=E2=CA=D4=BB=FA=D3=EB=D5=E6=CA=B5=BB=FA=C6=F7=
=A1=A2=D0=E9=C4=E2=BB=FA=B1=D8=D0=EB=CA=C7=C7=A7=D5=D7=CD=F8=CF=E0=C1=AC=A3=
=AC=CD=A8=B9=FD=CF=C2=C3=E6=C3=FC=C1=EE=B2=E9=BF=B4=A3=BA" class=3D"" style=
=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px=
; background-color: rgb(245, 245, 245); ">Testing machine with a real machi=
ne, the virtual machine must be connected to Gigabit Ethernet, with the fol=
lowing command:<br>
</span><span title=3D"[root@rhel-PowerEdge-1 ~]# ethtool eth0" class=3D"" s=
tyle=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: =
16px; background-color: rgb(245, 245, 245); ">[Root @ rhel-PowerEdge-1 ~] #=
 ethtool eth0<br>
</span><span title=3D"Settings for eth0:" class=3D"" style=3D"color: rgb(51=
, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-colo=
r: rgb(245, 245, 245); ">Settings for eth0:<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;</span><span title=3D"Supported ports: [ TP ]" class=3D=
"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font-si=
ze: 16px; background-color: rgb(245, 245, 245); ">Supported ports: [TP]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D"Suppo=
rted link modes: 10baseT/Half 10baseT/Full" class=3D"" style=3D"color: rgb(=
51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-co=
lor: rgb(245, 245, 245); ">Supported link modes: 10baseT/Half 10baseT/Full<=
br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D"100baseT/Ha=
lf 100baseT/Full" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: =
arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); "=
>100baseT/Half 100baseT/Full<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D"1000baseT/F=
ull" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-s=
erif; font-size: 16px; background-color: rgb(245, 245, 245); ">1000baseT/Fu=
ll<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D=
"Supports auto-negotiation: Yes" class=3D"" style=3D"color: rgb(51, 51, 51)=
; font-family: arial, sans-serif; font-size: 16px; background-color: rgb(24=
5, 245, 245); ">Supports auto-negotiation: Yes<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D"Adver=
tised link modes: 10baseT/Half 10baseT/Full" class=3D"" style=3D"color: rgb=
(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-c=
olor: rgb(245, 245, 245); ">Advertised link modes: 10baseT/Half 10baseT/Ful=
l<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D"100baseT/Ha=
lf 100baseT/Full" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: =
arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); "=
>100baseT/Half 100baseT/Full<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D"1000baseT/F=
ull" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-s=
erif; font-size: 16px; background-color: rgb(245, 245, 245); ">1000baseT/Fu=
ll<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D=
"Advertised pause frame use: No" class=3D"" style=3D"color: rgb(51, 51, 51)=
; font-family: arial, sans-serif; font-size: 16px; background-color: rgb(24=
5, 245, 245); ">Advertised pause frame use: No<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D"Adver=
tised auto-negotiation: Yes" class=3D"" style=3D"color: rgb(51, 51, 51); fo=
nt-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 2=
45, 245); ">Advertised auto-negotiation: Yes<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D"Speed=
: 1000Mb/s" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial,=
 sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">Speed=
: 1000Mb / s<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><spa=
n title=3D"Duplex: Full" class=3D"" style=3D"color: rgb(51, 51, 51); font-f=
amily: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, =
245); ">Duplex: Full<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D"Port:=
 Twisted Pair" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: ari=
al, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">Po=
rt: Twisted Pair<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span>=
<span title=3D"PHYAD: 1" class=3D"" style=3D"color: rgb(51, 51, 51); font-f=
amily: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, =
245); ">PHYAD: 1<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D"Trans=
ceiver: internal" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: =
arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); "=
>Transceiver: internal<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<=
/span><span title=3D"Auto-negotiation: on" class=3D"" style=3D"color: rgb(5=
1, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-col=
or: rgb(245, 245, 245); ">Auto-negotiation: on<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D"MDI-X=
: Unknown" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, =
sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">MDI-X:=
 Unknown<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span ti=
tle=3D"Supports Wake-on: g" class=3D"" style=3D"color: rgb(51, 51, 51); fon=
t-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 24=
5, 245); ">Supports Wake-on: g<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D"Wake-=
on: d" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans=
-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">Wake-on: d=
<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span title=3D"L=
ink detected: yes" class=3D"" style=3D"color: rgb(51, 51, 51); font-family:=
 arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); =
">Link detected: yes<br>
</span><span title=3D"Speed: 1000Mb/s =BC=B4=C7=A7=D5=D7=A1=A3" class=3D"" =
style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size:=
 16px; background-color: rgb(245, 245, 245); ">Speed: 1000Mb / s that is Gi=
gabit.<br><br><br></span><span title=3D"=B2=E2=CA=D4=BD=E1=B9=FB" class=3D"=
" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font-siz=
e: 16px; background-color: rgb(245, 245, 245); ">Test results<br>
</span><span title=3D"=D7=A2=D2=E2=A3=BAwmware=CE=AAworkstation 7.1=A3=AC=
=BD=F6=B9=A9=B2=CE=BF=BC=A3=AC=CF=C2=CD=AC=A1=A3" class=3D"" style=3D"color=
: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; backgro=
und-color: rgb(245, 245, 245); ">Note: wmware to workstation 7.1, for refer=
ence, the same below.<br>
</span><span title=3D"	xen	=D5=E6=CA=B5=BB=FA	wmware	xen/=D5=E6=CA=B5=BB=FA=
=B1=C8=C0=FD" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: aria=
l, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">xen=
 real machine wmware xen / machine ratio of real<br>
</span><span title=3D"scp=CF=C2=D4=D8=CB=D9=B6=C8=A3=A8M/s=A3=A9	11.3	33.2	=
27.05	34.04%" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: aria=
l, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">scp=
 download speed (M / s) 11.3 33.2 27.05 34.04%<br>
</span><span title=3D"scp=C9=CF=B4=AB=CB=D9=B6=C8=A3=A8M/s=A3=A9	12.1	28.3	=
26.2	42.76%" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial=
, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">scp =
upload speed (M / s) 12.1 28.3 26.2 42.76%<br>
<br><br></span><span title=3D"Netperf" class=3D"" style=3D"color: rgb(51, 5=
1, 51); font-family: arial, sans-serif; font-size: 16px; background-color: =
rgb(245, 245, 245); ">Netperf<br><br></span><span title=3D"=B2=E2=CA=D4=B7=
=BD=B7=A8" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, =
sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">Test m=
ethods<br>
</span><span title=3D"=D7=BC=B1=B8=C1=ED=CD=E2=D2=BB=CC=A8=BB=FA=C6=F7A=A3=
=AC=B2=E2=CA=D4=BB=FA=C6=F7B,=D0=E9=C4=E2=BB=FAC=D3=EBA=D6=B1=BD=D3=C7=A7=
=D5=D7=CD=F8=C1=AC=BD=D3=A3=A8=CD=AC=C9=CF=A3=A9=A1=A3" class=3D"" style=3D=
"color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; b=
ackground-color: rgb(245, 245, 245); ">Prepare another machine A, the test =
machine B, C and A virtual machine to connect directly to Gigabit Ethernet =
(ibid.).<br>
</span><span title=3D"A=A1=A2B=A1=A2=D0=E9=C4=E2=BB=FA=BE=F9=B0=B2=D7=B0net=
perf-2.4.5-1.ky3.x86_64.rpm=B0=FC=A1=A3" class=3D"" style=3D"color: rgb(51,=
 51, 51); font-family: arial, sans-serif; font-size: 16px; background-color=
: rgb(245, 245, 245); ">A, B, virtual machines are installed netperf-2.4.5-=
1.ky3.x86_64.rpm package.<br>
<br></span><span title=3D"=B1=BB=B2=E2=CA=D4=BB=FA=C6=F7=A3=A8=C8=E7B,=BB=
=F2=D5=DF=D0=E9=C4=E2=BB=FA=A3=A9=D4=CB=D0=D0=B7=FE=CE=F1=C6=F7=B6=CB=A3=BA=
" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-seri=
f; font-size: 16px; background-color: rgb(245, 245, 245); ">The machine bei=
ng tested (such as B, or virtual machine) running the server side:<br>
</span><span title=3D"[root@rhel-PowerEdge-1 ~]# netserver" class=3D"" styl=
e=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16p=
x; background-color: rgb(245, 245, 245); ">[Root @ rhel-PowerEdge-1 ~] # ne=
tserver<br>
</span><span title=3D"Starting netserver at port 12865" class=3D"" style=3D=
"color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; b=
ackground-color: rgb(245, 245, 245); ">Starting netserver at port 12865<br>=
</span><span title=3D"Starting netserver at hostname 0.0.0.0 port 12865 and=
 family AF_UNSPEC" class=3D"" style=3D"color: rgb(51, 51, 51); font-family:=
 arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); =
">Starting netserver at hostname 0.0.0.0 port 12865 and family AF_UNSPEC<br=
>
<br></span><span title=3D"A=BB=FA=C6=F7=C9=CF=D0=DE=B8=C4=B2=E2=CA=D4=BF=CD=
=BB=A7=B6=CB=BD=C5=B1=BE=A3=A8/usr/local/sbin/netclient.sh=A3=A9=A3=AC=C4=
=DA=C8=DD=C8=E7=CF=C2=A3=BA" class=3D"" style=3D"color: rgb(51, 51, 51); fo=
nt-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 2=
45, 245); ">A machine to modify the test client script (/ usr / local / sbi=
n / netclient.sh), reads as follows:<br>
</span><span title=3D"#!/bin/sh" class=3D"" style=3D"color: rgb(51, 51, 51)=
; font-family: arial, sans-serif; font-size: 16px; background-color: rgb(24=
5, 245, 245); ">#! / Bin / sh<br></span><span title=3D"SERVERIP=3D$1" class=
=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font=
-size: 16px; background-color: rgb(245, 245, 245); ">SERVERIP =3D $ 1<br>
</span><span title=3D"OUT=3D$2" class=3D"" style=3D"color: rgb(51, 51, 51);=
 font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245=
, 245, 245); ">OUT =3D $ 2<br><br></span><span title=3D"if [ &quot;$SERVERI=
P&quot; =3D=3D &quot;&quot; -o &quot;$OUT&quot; =3D=3D &quot;&quot; ]; then=
" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-seri=
f; font-size: 16px; background-color: rgb(245, 245, 245); ">if [&quot;$ SER=
VERIP&quot; =3D=3D &quot;&quot;-o &quot;$ OUT&quot; =3D=3D &quot;&quot;]; t=
hen<br>
</span><span title=3D"	echo &quot;netclient &lt;Server IP&gt; &lt;OUTPUT FI=
LE&gt;&quot;" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: aria=
l, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">ech=
o &quot;netclient &lt;Server IP&gt; &lt;OUTPUT FILE&gt;&quot;<br>
</span><span title=3D"	exit 1" class=3D"" style=3D"color: rgb(51, 51, 51); =
font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245,=
 245, 245); ">exit 1<br></span><span title=3D"fi" class=3D"" style=3D"color=
: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; backgro=
und-color: rgb(245, 245, 245); ">fi<br>
<br></span><span title=3D"netperf -H $SERVERIP -i 10,2 -I 99,5 -- -m 4096 -=
s 128K -S 128K &gt; $OUT" class=3D"" style=3D"color: rgb(51, 51, 51); font-=
family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245,=
 245); ">netperf-H $ SERVERIP-i 10,2-I 99,5 --m 4096-s 128K-S 128K&gt; $ OU=
T<br>
</span><span title=3D"netperf -H $SERVERIP -i 10,2 -I 99,5 -- -m 4096 -s 57=
344 -S 57344 &gt;&gt; $OUT" class=3D"" style=3D"color: rgb(51, 51, 51); fon=
t-family: arial, sans-serif; font-size: 16px; background-color: rgb(245, 24=
5, 245); ">netperf-H $ SERVERIP-i 10,2-I 99,5 --m 4096-s 57344-S 57344&gt;&=
gt; $ OUT<br>
</span><span title=3D"netperf -H $SERVERIP -t TCP_CRR -r 32,1024 &gt;&gt; $=
OUT" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-s=
erif; font-size: 16px; background-color: rgb(245, 245, 245); ">netperf-H $ =
SERVERIP-t TCP_CRR-r 32,1024&gt;&gt; $ OUT<br>
<br><br><br></span><span title=3D"=D4=CB=D0=D0=B2=E2=CA=D4=BD=C5=B1=BE=A3=
=BA" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-s=
erif; font-size: 16px; background-color: rgb(245, 245, 245); ">Run the test=
 script:<br></span><span title=3D"[root@rhel-PowerEdge-1 ~]# sh /usr/local/=
sbin/netclient.sh =B6=D4=B7=BD=D6=F7=BB=FA=BB=F2=D0=E9=C4=E2=BB=FAip =B2=E2=
=CA=D4=BD=E1=B9=FB.log" class=3D"" style=3D"color: rgb(51, 51, 51); font-fa=
mily: arial, sans-serif; font-size: 16px; background-color: rgb(245, 245, 2=
45); ">[Root @ rhel-PowerEdge-1 ~] # sh / usr / local / sbin / netclient.sh=
 other host or virtual machine ip test results. Log<br>
<br><br></span><span title=3D"=B2=E2=CA=D4=BD=E1=B9=FB" class=3D"" style=3D=
"color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; b=
ackground-color: rgb(245, 245, 245); ">Test results<br><br><br><br></span><=
span title=3D"	xen	=D5=E6=CA=B5=BB=FA	wmware	xen/=D5=E6=CA=B5=BB=FA=B1=C8=
=C0=FD" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, san=
s-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">xen real =
machine wmware xen / machine ratio of real<br>
</span><span title=3D"=CD=F8=C2=E7=CD=CC=CD=C2=C1=BF1=A3=A8=BB=BA=B4=E6=D0=
=A1=D3=DA=B1=A8=CE=C4=CA=B1=A3=A9=A3=A810^6bit/sec=A3=A9	139.16	820.64	519	=
16.96%" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, san=
s-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">Network t=
hroughput 1 (less than the packet buffer) (10 ^ 6bit/sec) 139.16 820.64 519=
 16.96%<br>
</span><span title=3D"=CD=F8=C2=E7=CD=CC=CD=C2=C1=BF2=A3=A8=BB=BA=B4=E6=B4=
=F3=D3=DA=B1=A8=CE=C4=CA=B1=A3=A9=A3=A810^6bit/sec=A3=A9	151.97	819.78	485.=
19	18.54%" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, =
sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">Networ=
k throughput 2 (when the cache is greater than the packet) (10 ^ 6bit/sec) =
151.97 819.78 485.19 18.54%<br>
</span><span title=3D"=D2=BB=C3=EB=D6=D3=D0=C2=BD=A8=C1=A2TCP=C1=AC=BD=D3=
=B4=CE=CA=FD=A3=A8=B4=CE/s=A3=A9	763.83	2508.85	1357.3	30.45%" class=3D"" s=
tyle=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: =
16px; background-color: rgb(245, 245, 245); ">A second new TCP connection (=
times / s) 763.83 2508 .85 1357.3 30.45%<br>
<br></span><span title=3D"=D7=A2=A3=BA=D2=D4=C9=CF=B6=BC=CA=C7=C6=BD=BE=F9=
=D6=B5=A1=A3" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: aria=
l, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">Not=
e: These are average.<br><br><br><br><br><br><br><br>
<br></span><span title=3D"=CD=F8=C2=E7=CE=C4=BC=FE=CF=B5=CD=B3=D0=D4=C4=DC=
=B2=E2=CA=D4" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: aria=
l, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">Net=
work File System Performance Test<br></span><span title=3D"nfs-io=B2=E2=CA=
=D4=A3=A8dd=B2=E2=CA=D4=A3=A9" class=3D"" style=3D"color: rgb(51, 51, 51); =
font-family: arial, sans-serif; font-size: 16px; background-color: rgb(245,=
 245, 245); ">nfs-io test (dd test)<br>
<br></span><span title=3D"=B2=E2=CA=D4=B7=BD=B7=A8" class=3D"" style=3D"col=
or: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; backg=
round-color: rgb(245, 245, 245); ">Test methods<br></span><span title=3D"=
=D6=F7=BB=FAC=B9=D2=D4=D8SAN=C5=CC=D5=F3=A3=AC=B2=A2=CC=E1=B9=A9NFS=B7=FE=
=CE=F1=A3=AC=D3=EB=D6=F7=BB=FAA=A3=A8=BC=B0=D0=E9=C4=E2=BB=FA=A3=A9=C7=A7=
=D5=D7=D2=D4=CC=AB=CD=F8=C1=AC=BD=D3=A1=A3" class=3D"" style=3D"color: rgb(=
51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-co=
lor: rgb(245, 245, 245); ">Host C mount SAN disk array, and provide NFS ser=
vices, and host A (and the virtual machine) Gigabit Ethernet connection.<br=
>
</span><span title=3D"A(=BB=F2=D5=DF=D0=E9=C4=E2=BB=FA)=B9=D2=D4=D8=B5=BD/m=
nt=A3=AC=C8=BB=BA=F3=CD=A8=B9=FD=BD=C5=B1=BEdd.sh:" class=3D"" style=3D"col=
or: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; backg=
round-color: rgb(245, 245, 245); ">A (or virtual machine) mounted on / mnt,=
 then the script dd.sh:<br>
</span><span title=3D"#!/bin/bash" class=3D"" style=3D"color: rgb(51, 51, 5=
1); font-family: arial, sans-serif; font-size: 16px; background-color: rgb(=
245, 245, 245); ">#! / Bin / bash<br></span><span title=3D"#mnt" class=3D""=
 style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font-size=
: 16px; background-color: rgb(245, 245, 245); "># Mnt<br>
</span><span title=3D"echo &quot;/mnt&quot;" class=3D"" style=3D"color: rgb=
(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-c=
olor: rgb(245, 245, 245); ">echo &quot;/ mnt&quot;<br></span><span title=3D=
"echo &quot;dd if=3D/dev/zero of=3D/mnt/test0.date bs=3D100M count=3D50&quo=
t;" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-se=
rif; font-size: 16px; background-color: rgb(245, 245, 245); ">echo &quot;dd=
 if =3D / dev / zero of =3D / mnt/test0.date bs =3D 100M count =3D 50&quot;=
<br>
</span><span title=3D"dd if=3D/dev/zero of=3D/mnt/test0.date bs=3D100M coun=
t=3D50" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, san=
s-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">dd if =3D=
 / dev / zero of =3D / mnt/test0.date bs =3D 100M count =3D 50<br>
</span><span title=3D"rm -rf /mnt/test0.date" class=3D"" style=3D"color: rg=
b(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-=
color: rgb(245, 245, 245); ">rm-rf / mnt/test0.date<br></span><span title=
=3D"echo &quot;dd if=3D/dev/zero of=3D/mnt/test1.date bs=3D10M count=3D500&=
quot;" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans=
-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">echo &quot=
;dd if =3D / dev / zero of =3D / mnt/test1.date bs =3D 10M count =3D 500&qu=
ot;<br>
</span><span title=3D"dd if=3D/dev/zero of=3D/mnt/test1.date bs=3D10M count=
=3D500" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, san=
s-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">dd if =3D=
 / dev / zero of =3D / mnt/test1.date bs =3D 10M count =3D 500<br>
</span><span title=3D"rm -rf /mnt/test1.date" class=3D"" style=3D"color: rg=
b(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-=
color: rgb(245, 245, 245); ">rm-rf / mnt/test1.date<br></span><span title=
=3D"echo &quot;dd if=3D/dev/zero of=3D/mnt/test2.date bs=3D1024 count=3D500=
0000&quot;" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial,=
 sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">echo =
&quot;dd if =3D / dev / zero of =3D / mnt/test2.date bs =3D 1024 count =3D =
5000000&quot;<br>
</span><span title=3D"dd if=3D/dev/zero of=3D/mnt/test2.date bs=3D1024 coun=
t=3D5000000" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial=
, sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">dd i=
f =3D / dev / zero of =3D / mnt/test2.date bs =3D 1024 count =3D 5000000<br=
>
</span><span title=3D"rm -rf /mnt/test2.date" class=3D"" style=3D"color: rg=
b(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; background-=
color: rgb(245, 245, 245); ">rm-rf / mnt/test2.date<br><br></span><span tit=
le=3D"#sh dd.sh 2&amp;&gt;test_nfs.log" class=3D"" style=3D"color: rgb(51, =
51, 51); font-family: arial, sans-serif; font-size: 16px; background-color:=
 rgb(245, 245, 245); "># Sh dd.sh 2 &amp;&gt; test_nfs.log<br>
<br></span><span title=3D"=B2=E2=CA=D4=BD=E1=B9=FB" class=3D"" style=3D"col=
or: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; backg=
round-color: rgb(245, 245, 245); ">Test results<br><br><br></span><span tit=
le=3D"	xen	=D5=E6=CA=B5=BB=FA	=D0=D4=C4=DC=B1=C8" class=3D"" style=3D"color=
: rgb(51, 51, 51); font-family: arial, sans-serif; font-size: 16px; backgro=
und-color: rgb(245, 245, 245); ">performance than the real machine xen<br>
</span><span title=3D"=CD=F8=C2=E7io=CB=D9=B6=C8M/s	7.5	87.6	8.56%" class=
=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font=
-size: 16px; background-color: rgb(245, 245, 245); ">Network io speed M / s=
 7.5 87.6 8.56%<br></span><span title=3D"=CD=F8=C2=E7io=CB=D9=B6=C8M/s	7.6	=
90.5	8.40%" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial,=
 sans-serif; font-size: 16px; background-color: rgb(245, 245, 245); ">Netwo=
rk io speed M / s 7.6 90.5 8.40%<br>
</span><span title=3D"=CD=F8=C2=E7io=CB=D9=B6=C8M/s	7.4	86.6	8.55%" class=
=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-serif; font=
-size: 16px; background-color: rgb(245, 245, 245); ">Network io speed M / s=
 7.4 86.6 8.55%<br></span><span title=3D"=C6=BD=BE=F9=D6=B5	7.5	88.21	8.50%=
" class=3D"" style=3D"color: rgb(51, 51, 51); font-family: arial, sans-seri=
f; font-size: 16px; background-color: rgb(245, 245, 245); ">Average 7.5 88.=
21 8.50%</span>

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From: Mike Sievers <saturngeist@googlemail.com>
To: xen-users <Xen-users@lists.xensource.com>
Subject: Re: [Xen-users] xen the i / O performance,
 network performance is only 20-30% of the real machine?
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Hi!

Your post confuses me a litte bit. What are you running?
XenDom0 with a Linux DomU?
Please try hdparn -T -t /dev/sourdev first.
(But I can tell you, that the performace with XEN is nearly the same like
with hardware)
I/O is sometime a questin with yout scheduler. (noop)

Best,
Mike




2011/12/9 =C8=CE=CE=D2=B7=C9 <renwofei423@gmail.com>

> First,sorry my poor english~
> Here is this test:
>
> Virtualization performance comparison test
>
> Test environment
> Physical machine:
> Cpu 8-core
> 8G memory
> HDD: 147G
>
> xen virtual machine:
> cpu 2 core
> 4G memory
> 30G hard drive
>
> wmware virtual machine:
> cpu 2 core
> 4G memory
> 30G hard drive
>
>
> Optical disk array (san)
> Size: 7.7T
> Speed: 6G/sec
>
> Testing and structural
> I / 0 performance test
> Test methods
> Test performance by dd, the script is as follows:
>
> #! / Bin / bash
> # Mnt
> echo "/ mnt"
> echo "dd if =3D / dev / zero of =3D / mnt/test0.date bs =3D 100M count =
=3D 50"
> dd if =3D / dev / zero of =3D / mnt/test0.date bs =3D 100M count =3D 50
> rm-rf / mnt/test0.date
> echo "dd if =3D / dev / zero of =3D / mnt/test1.date bs =3D 10M count =3D=
 500"
> dd if =3D / dev / zero of =3D / mnt/test1.date bs =3D 10M count =3D 500
> rm-rf / mnt/test1.date
> echo "dd if =3D / dev / zero of =3D / mnt/test2.date bs =3D 1024 count =
=3D 5000000"
> dd if =3D / dev / zero of =3D / mnt/test2.date bs =3D 1024 count =3D 5000=
000
> rm-rf / mnt/test2.date
>
> # /
> echo "/"
> echo "dd if =3D / dev / zero of =3D / test0.date bs =3D 100M count =3D 50=
"
> dd if =3D / dev / zero of =3D / test0.date bs =3D 100M count =3D 50
> rm-rf / test0.date
> echo "dd if =3D / dev / zero of =3D / test1.date bs =3D 10M count =3D 500=
"
> dd if =3D / dev / zero of =3D / test1.date bs =3D 10M count =3D 500
> rm-rf / test1.date
> echo "dd if =3D / dev / zero of =3D / test2.date bs =3D 1024 count =3D 50=
00000"
> dd if =3D / dev / zero of =3D / test2.date bs =3D 1024 count =3D 5000000
> rm-rf / test2.date
>
> Respectively, the real physical machines, virtual machines, test /
> directory and the / mnt directory (directly mounted optical disk array) f=
or
> the test.
>
> Test results
>
> Catalog record read into the record bs count read out time (xen) MB / tim=
e
> (xen) time (local) MB / time (local)
> / Mnt 100M 50 50 +0 50 +0 39.7209 132 19.4492 270
> / Mnt 10M 500 500 +0 500 +0 44.5654 118 20.3288 258
> / Mnt 1024bytes 5000000 5000000 +0 5000000 +0 43.7605 117 42.1754 121
> / 100M 50 50 +0 50 +0 159.142 32.9 25.1047 209
> / 10M 500 500 +0 500 +0 183.316 28.6 28.3515 185
> / 1024bytes 5000000 5000000 +0 5000000 +0 175.724 29.1 36.3496 141
>
>
>
>
>
> Network Performance Testing
> SCP performance test
>
> Test methods
>
> Large files via scp (2G or more, such as RHEL system ISO file) to test
> their network performance.
>
> Testing machine with a real machine, the virtual machine must be connecte=
d
> to Gigabit Ethernet, with the following command:
> [Root @ rhel-PowerEdge-1 ~] # ethtool eth0
> Settings for eth0:
>         Supported ports: [TP]
>         Supported link modes: 10baseT/Half 10baseT/Full
>                                 100baseT/Half 100baseT/Full
>                                 1000baseT/Full
>         Supports auto-negotiation: Yes
>         Advertised link modes: 10baseT/Half 10baseT/Full
>                                 100baseT/Half 100baseT/Full
>                                 1000baseT/Full
>         Advertised pause frame use: No
>         Advertised auto-negotiation: Yes
>         Speed: 1000Mb / s
>         Duplex: Full
>         Port: Twisted Pair
>         PHYAD: 1
>         Transceiver: internal
>         Auto-negotiation: on
>         MDI-X: Unknown
>         Supports Wake-on: g
>         Wake-on: d
>         Link detected: yes
> Speed: 1000Mb / s that is Gigabit.
>
>
> Test results
> Note: wmware to workstation 7.1, for reference, the same below.
> xen real machine wmware xen / machine ratio of real
> scp download speed (M / s) 11.3 33.2 27.05 34.04%
> scp upload speed (M / s) 12.1 28.3 26.2 42.76%
>
>
> Netperf
>
> Test methods
> Prepare another machine A, the test machine B, C and A virtual machine to
> connect directly to Gigabit Ethernet (ibid.).
> A, B, virtual machines are installed netperf-2.4.5-1.ky3.x86_64.rpm
> package.
>
> The machine being tested (such as B, or virtual machine) running the
> server side:
> [Root @ rhel-PowerEdge-1 ~] # netserver
> Starting netserver at port 12865
> Starting netserver at hostname 0.0.0.0 port 12865 and family AF_UNSPEC
>
> A machine to modify the test client script (/ usr / local / sbin /
> netclient.sh), reads as follows:
> #! / Bin / sh
> SERVERIP =3D $ 1
> OUT =3D $ 2
>
> if ["$ SERVERIP" =3D=3D ""-o "$ OUT" =3D=3D ""]; then
> echo "netclient <Server IP> <OUTPUT FILE>"
> exit 1
> fi
>
> netperf-H $ SERVERIP-i 10,2-I 99,5 --m 4096-s 128K-S 128K> $ OUT
> netperf-H $ SERVERIP-i 10,2-I 99,5 --m 4096-s 57344-S 57344>> $ OUT
> netperf-H $ SERVERIP-t TCP_CRR-r 32,1024>> $ OUT
>
>
>
> Run the test script:
> [Root @ rhel-PowerEdge-1 ~] # sh / usr / local / sbin / netclient.sh othe=
r
> host or virtual machine ip test results. Log
>
>
> Test results
>
>
>
> xen real machine wmware xen / machine ratio of real
> Network throughput 1 (less than the packet buffer) (10 ^ 6bit/sec) 139.16
> 820.64 519 16.96%
> Network throughput 2 (when the cache is greater than the packet) (10 ^
> 6bit/sec) 151.97 819.78 485.19 18.54%
> A second new TCP connection (times / s) 763.83 2508 .85 1357.3 30.45%
>
> Note: These are average.
>
>
>
>
>
>
>
>
> Network File System Performance Test
> nfs-io test (dd test)
>
> Test methods
> Host C mount SAN disk array, and provide NFS services, and host A (and th=
e
> virtual machine) Gigabit Ethernet connection.
> A (or virtual machine) mounted on / mnt, then the script dd.sh:
> #! / Bin / bash
> # Mnt
> echo "/ mnt"
> echo "dd if =3D / dev / zero of =3D / mnt/test0.date bs =3D 100M count =
=3D 50"
> dd if =3D / dev / zero of =3D / mnt/test0.date bs =3D 100M count =3D 50
> rm-rf / mnt/test0.date
> echo "dd if =3D / dev / zero of =3D / mnt/test1.date bs =3D 10M count =3D=
 500"
> dd if =3D / dev / zero of =3D / mnt/test1.date bs =3D 10M count =3D 500
> rm-rf / mnt/test1.date
> echo "dd if =3D / dev / zero of =3D / mnt/test2.date bs =3D 1024 count =
=3D 5000000"
> dd if =3D / dev / zero of =3D / mnt/test2.date bs =3D 1024 count =3D 5000=
000
> rm-rf / mnt/test2.date
>
> # Sh dd.sh 2 &> test_nfs.log
>
> Test results
>
>
> performance than the real machine xen
> Network io speed M / s 7.5 87.6 8.56%
> Network io speed M / s 7.6 90.5 8.40%
> Network io speed M / s 7.4 86.6 8.55%
> Average 7.5 88.21 8.50%
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>

--0016364c7dad2c200204b3a58cdf
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<div>Hi!</div>
<div>&nbsp;</div>
<div>Your post confuses me a litte bit. What are you running?</div>
<div>XenDom0 with a Linux DomU?</div>
<div>Please try hdparn -T -t /dev/sourdev first.</div>
<div>(But I can tell you, that the performace with XEN is nearly the same l=
ike with hardware)</div>
<div>I/O is sometime a questin with yout scheduler. (noop)</div>
<div>&nbsp;</div>
<div>Best,</div>
<div>Mike</div>
<div>&nbsp;</div>
<div><br><br>&nbsp;</div>
<div class=3D"gmail_quote">2011/12/9 =C8=CE=CE=D2=B7=C9 <span dir=3D"ltr">&=
lt;<a href=3D"mailto:renwofei423@gmail.com">renwofei423@gmail.com</a>&gt;</=
span><br>
<blockquote style=3D"BORDER-LEFT: #ccc 1px solid; MARGIN: 0px 0px 0px 0.8ex=
; PADDING-LEFT: 1ex" class=3D"gmail_quote">
<div><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial,=
 sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=D0=E9=C4=E2=
=BB=AF=D0=D4=C4=DC=B6=D4=B1=C8=B2=E2=CA=D4">First,sorry my poor english~</s=
pan></div>
<div><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial,=
 sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=D0=E9=C4=E2=
=BB=AF=D0=D4=C4=DC=B6=D4=B1=C8=B2=E2=CA=D4">Here is this test:</span></div>
<div><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial,=
 sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=D0=E9=C4=E2=
=BB=AF=D0=D4=C4=DC=B6=D4=B1=C8=B2=E2=CA=D4"><br></span></div><span style=3D=
"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR:=
 rgb(51,51,51); FONT-SIZE: 16px" title=3D"=D0=E9=C4=E2=BB=AF=D0=D4=C4=DC=B6=
=D4=B1=C8=B2=E2=CA=D4">Virtualization performance comparison test<br>
<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: =
arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=B2=E2=
=CA=D4=BB=B7=BE=B3">Test environment<br></span><span style=3D"BACKGROUND-CO=
LOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51)=
; FONT-SIZE: 16px" title=3D"=CE=EF=C0=ED=BB=FA=A3=BA">Physical machine:<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"	Cpu 8=BA=CB=
">Cpu 8-core<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); F=
ONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=
=3D"	=C4=DA=B4=E6 8G">8G memory<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"	=D3=B2=C5=
=CC=A3=BA 147G">HDD: 147G<br><br></span><span style=3D"BACKGROUND-COLOR: rg=
b(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-=
SIZE: 16px" title=3D"xen=D0=E9=C4=E2=BB=FA=A3=BA">xen virtual machine:<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"	cpu 2=BA=CB=
">cpu 2 core<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); F=
ONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=
=3D"	=C4=DA=B4=E64G">4G memory<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"	=D3=B2=C5=
=CC30G">30G hard drive<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,2=
45,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 1=
6px" title=3D"	"><br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"wmware=D0=E9=
=C4=E2=BB=FA=A3=BA">wmware virtual machine:<br></span><span style=3D"BACKGR=
OUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51=
,51,51); FONT-SIZE: 16px" title=3D"	cpu 2=BA=CB">cpu 2 core<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"	=C4=DA=B4=
=E64G">4G memory<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245=
); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" t=
itle=3D"	=D3=B2=C5=CC30G">30G hard drive<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"	"><br><br><=
/span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial=
, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=B9=E2=CF=CB=
=C5=CC=D5=F3(san)">Optical disk array (san)<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=B4=F3=D0=A1=
=A3=BA7.7T">Size: 7.7T<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,2=
45,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 1=
6px" title=3D"=CB=D9=B6=C8=A3=BA6G/sec">Speed: 6G/sec<br>
<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: =
arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=B2=E2=
=CA=D4=BA=CD=BD=E1=B9=B9">Testing and structural<br></span><span style=3D"B=
ACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: r=
gb(51,51,51); FONT-SIZE: 16px" title=3D"I/0=D0=D4=C4=DC=B2=E2=CA=D4">I / 0 =
performance test<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=B2=E2=CA=D4=
=B7=BD=B7=A8">Test methods<br></span><span style=3D"BACKGROUND-COLOR: rgb(2=
45,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZ=
E: 16px" title=3D"=CD=A8=B9=FDdd=B2=E2=CA=D4=D0=D4=C4=DC=A3=AC=BD=C5=B1=BE=
=C8=E7=CF=C2=A3=BA">Test performance by dd, the script is as follows:<br>
<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: =
arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"#!/bin/b=
ash">#! / Bin / bash<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245=
,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16p=
x" title=3D"#mnt"># Mnt<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"echo &quot;/=
mnt&quot;">echo &quot;/ mnt&quot;<br></span><span style=3D"BACKGROUND-COLOR=
: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); F=
ONT-SIZE: 16px" title=3D"echo &quot;dd if=3D/dev/zero of=3D/mnt/test0.date =
bs=3D100M count=3D50&quot;">echo &quot;dd if =3D / dev / zero of =3D / mnt/=
test0.date bs =3D 100M count =3D 50&quot;<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"dd if=3D/dev=
/zero of=3D/mnt/test0.date bs=3D100M count=3D50">dd if =3D / dev / zero of =
=3D / mnt/test0.date bs =3D 100M count =3D 50<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"rm -rf /mnt/=
test0.date">rm-rf / mnt/test0.date<br></span><span style=3D"BACKGROUND-COLO=
R: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); =
FONT-SIZE: 16px" title=3D"echo &quot;dd if=3D/dev/zero of=3D/mnt/test1.date=
 bs=3D10M count=3D500&quot;">echo &quot;dd if =3D / dev / zero of =3D / mnt=
/test1.date bs =3D 10M count =3D 500&quot;<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"dd if=3D/dev=
/zero of=3D/mnt/test1.date bs=3D10M count=3D500">dd if =3D / dev / zero of =
=3D / mnt/test1.date bs =3D 10M count =3D 500<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"rm -rf /mnt/=
test1.date">rm-rf / mnt/test1.date<br></span><span style=3D"BACKGROUND-COLO=
R: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); =
FONT-SIZE: 16px" title=3D"echo &quot;dd if=3D/dev/zero of=3D/mnt/test2.date=
 bs=3D1024 count=3D5000000&quot;">echo &quot;dd if =3D / dev / zero of =3D =
/ mnt/test2.date bs =3D 1024 count =3D 5000000&quot;<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"dd if=3D/dev=
/zero of=3D/mnt/test2.date bs=3D1024 count=3D5000000">dd if =3D / dev / zer=
o of =3D / mnt/test2.date bs =3D 1024 count =3D 5000000<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"rm -rf /mnt/=
test2.date">rm-rf / mnt/test2.date<br><br></span><span style=3D"BACKGROUND-=
COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,5=
1); FONT-SIZE: 16px" title=3D"#/"># /<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"echo &quot;/=
&quot;">echo &quot;/&quot;<br></span><span style=3D"BACKGROUND-COLOR: rgb(2=
45,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZ=
E: 16px" title=3D"echo &quot;dd if=3D/dev/zero of=3D/test0.date bs=3D100M c=
ount=3D50&quot;">echo &quot;dd if =3D / dev / zero of =3D / test0.date bs =
=3D 100M count =3D 50&quot;<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"dd if=3D/dev=
/zero of=3D/test0.date bs=3D100M count=3D50">dd if =3D / dev / zero of =3D =
/ test0.date bs =3D 100M count =3D 50<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"rm -rf /test=
0.date">rm-rf / test0.date<br></span><span style=3D"BACKGROUND-COLOR: rgb(2=
45,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZ=
E: 16px" title=3D"echo &quot;dd if=3D/dev/zero of=3D/test1.date bs=3D10M co=
unt=3D500&quot;">echo &quot;dd if =3D / dev / zero of =3D / test1.date bs =
=3D 10M count =3D 500&quot;<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"dd if=3D/dev=
/zero of=3D/test1.date bs=3D10M count=3D500">dd if =3D / dev / zero of =3D =
/ test1.date bs =3D 10M count =3D 500<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"rm -rf /test=
1.date">rm-rf / test1.date<br></span><span style=3D"BACKGROUND-COLOR: rgb(2=
45,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZ=
E: 16px" title=3D"echo &quot;dd if=3D/dev/zero of=3D/test2.date bs=3D1024 c=
ount=3D5000000&quot;">echo &quot;dd if =3D / dev / zero of =3D / test2.date=
 bs =3D 1024 count =3D 5000000&quot;<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"dd if=3D/dev=
/zero of=3D/test2.date bs=3D1024 count=3D5000000">dd if =3D / dev / zero of=
 =3D / test2.date bs =3D 1024 count =3D 5000000<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"rm -rf /test=
2.date">rm-rf / test2.date<br><br></span><span style=3D"BACKGROUND-COLOR: r=
gb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT=
-SIZE: 16px" title=3D"=B7=D6=B1=F0=B6=D4=CE=EF=C0=ED=D5=E6=CA=B5=BB=FA=C6=
=F7=A1=A2=D0=E9=C4=E2=BB=FA, =B2=E2=CA=D4/=C4=BF=C2=BC=BA=CD/mnt=C4=BF=C2=
=BC=A3=A8=D6=B1=BD=D3=B9=D2=D4=D8=B9=E2=CF=CB=C5=CC=D5=F3=A3=A9=BD=F8=D0=D0=
=C9=CF=CA=F6=B2=E2=CA=D4=A1=A3">Respectively, the real physical machines, v=
irtual machines, test / directory and the / mnt directory (directly mounted=
 optical disk array) for the test.<br>
<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: =
arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=B2=E2=
=CA=D4=BD=E1=B9=FB">Test results<br><br></span><span style=3D"BACKGROUND-CO=
LOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51)=
; FONT-SIZE: 16px" title=3D"=C4=BF=C2=BC	bs	count	=BC=C7=C2=BC=B6=C1=C8=EB	=
=BC=C7=C2=BC=B6=C1=B3=F6	time=A3=A8xen=A3=A9	MB/time=A3=A8xen=A3=A9	time=A3=
=A8local=A3=A9	MB/time=A3=A8local=A3=A9">Catalog record read into the recor=
d bs count read out time (xen) MB / time (xen) time (local) MB / time (loca=
l)<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"/mnt	100M	50=
	50+0	50+0	39.7209	132	19.4492	270">/ Mnt 100M 50 50 +0 50 +0 39.7209 132 1=
9.4492 270<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"/mnt	10M	500=
	500+0	500+0	44.5654	118	20.3288	258">/ Mnt 10M 500 500 +0 500 +0 44.5654 1=
18 20.3288 258<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"/mnt	1024byt=
es	5000000	5000000+0	5000000+0	43.7605	117	42.1754	121">/ Mnt 1024bytes 500=
0000 5000000 +0 5000000 +0 43.7605 117 42.1754 121<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"/	100M	50	50=
+0	50+0	159.142	32.9	25.1047	209">/ 100M 50 50 +0 50 +0 159.142 32.9 25.104=
7 209<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"/	10M	500	50=
0+0	500+0	183.316	28.6	28.3515	185">/ 10M 500 500 +0 500 +0 183.316 28.6 28=
.3515 185<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"/	1024bytes	=
5000000	5000000+0	5000000+0	175.724	29.1	36.3496	141">/ 1024bytes 5000000 5=
000000 +0 5000000 +0 175.724 29.1 36.3496 141<br>
<br><br><br><br><br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245=
); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" t=
itle=3D"=CD=F8=C2=E7=D0=D4=C4=DC=B2=E2=CA=D4">Network Performance Testing<b=
r></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: ar=
ial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"SCP=D0=D4=
=C4=DC=B2=E2=CA=D4">SCP performance test<br>
<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: =
arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=B2=E2=
=CA=D4=B7=BD=B7=A8">Test methods<br><br></span><span style=3D"BACKGROUND-CO=
LOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51)=
; FONT-SIZE: 16px" title=3D"=CD=A8=B9=FDscp =B4=F3=CE=C4=BC=FE=A3=A82G=D2=
=D4=C9=CF=A3=AC=B1=C8=C8=E7=F7=E8=F7=EB=CF=B5=CD=B3=B5=C4ISO=CE=C4=BC=FE=A3=
=A9=B2=E2=CA=D4=C6=E4=CD=F8=C2=E7=D0=D4=C4=DC=A1=A3">Large files via scp (2=
G or more, such as RHEL system ISO file) to test their network performance.=
<br>
<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: =
arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=B2=E2=
=CA=D4=BB=FA=D3=EB=D5=E6=CA=B5=BB=FA=C6=F7=A1=A2=D0=E9=C4=E2=BB=FA=B1=D8=D0=
=EB=CA=C7=C7=A7=D5=D7=CD=F8=CF=E0=C1=AC=A3=AC=CD=A8=B9=FD=CF=C2=C3=E6=C3=FC=
=C1=EE=B2=E9=BF=B4=A3=BA">Testing machine with a real machine, the virtual =
machine must be connected to Gigabit Ethernet, with the following command:<=
br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"[root@rhel-P=
owerEdge-1 ~]# ethtool eth0">[Root @ rhel-PowerEdge-1 ~] # ethtool eth0<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"Settings for=
 eth0:">Settings for eth0:<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: a=
rial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"Supported=
 ports: [ TP ]">Supported ports: [TP]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKG=
ROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(5=
1,51,51); FONT-SIZE: 16px" title=3D"Supported link modes: 10baseT/Half 10ba=
seT/Full">Supported link modes: 10baseT/Half 10baseT/Full<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKGROUND-=
COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,5=
1); FONT-SIZE: 16px" title=3D"100baseT/Half 100baseT/Full">100baseT/Half 10=
0baseT/Full<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKGROUND-=
COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,5=
1); FONT-SIZE: 16px" title=3D"1000baseT/Full">1000baseT/Full<br>&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKGROUND-COLOR=
: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); F=
ONT-SIZE: 16px" title=3D"Supports auto-negotiation: Yes">Supports auto-nego=
tiation: Yes<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKG=
ROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(5=
1,51,51); FONT-SIZE: 16px" title=3D"Advertised link modes: 10baseT/Half 10b=
aseT/Full">Advertised link modes: 10baseT/Half 10baseT/Full<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKGROUND-=
COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,5=
1); FONT-SIZE: 16px" title=3D"100baseT/Half 100baseT/Full">100baseT/Half 10=
0baseT/Full<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKGROUND-=
COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,5=
1); FONT-SIZE: 16px" title=3D"1000baseT/Full">1000baseT/Full<br>&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKGROUND-COLOR=
: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); F=
ONT-SIZE: 16px" title=3D"Advertised pause frame use: No">Advertised pause f=
rame use: No<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKG=
ROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(5=
1,51,51); FONT-SIZE: 16px" title=3D"Advertised auto-negotiation: Yes">Adver=
tised auto-negotiation: Yes<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: =
arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"Speed: 1=
000Mb/s">Speed: 1000Mb / s<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKG=
ROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(5=
1,51,51); FONT-SIZE: 16px" title=3D"Duplex: Full">Duplex: Full<br>&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKGROUND-COL=
OR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51);=
 FONT-SIZE: 16px" title=3D"Port: Twisted Pair">Port: Twisted Pair<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKG=
ROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(5=
1,51,51); FONT-SIZE: 16px" title=3D"PHYAD: 1">PHYAD: 1<br>&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKGROUND-COLOR: rgb(=
245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SI=
ZE: 16px" title=3D"Transceiver: internal">Transceiver: internal<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKG=
ROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(5=
1,51,51); FONT-SIZE: 16px" title=3D"Auto-negotiation: on">Auto-negotiation:=
 on<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=
=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COL=
OR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"MDI-X: Unknown">MDI-X: Unknown=
<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKG=
ROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(5=
1,51,51); FONT-SIZE: 16px" title=3D"Supports Wake-on: g">Supports Wake-on: =
g<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"=
BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: =
rgb(51,51,51); FONT-SIZE: 16px" title=3D"Wake-on: d">Wake-on: d<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKG=
ROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(5=
1,51,51); FONT-SIZE: 16px" title=3D"Link detected: yes">Link detected: yes<=
br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: a=
rial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"Speed: 10=
00Mb/s =BC=B4=C7=A7=D5=D7=A1=A3">Speed: 1000Mb / s that is Gigabit.<br>
<br><br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMI=
LY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=B2=
=E2=CA=D4=BD=E1=B9=FB">Test results<br></span><span style=3D"BACKGROUND-COL=
OR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51);=
 FONT-SIZE: 16px" title=3D"=D7=A2=D2=E2=A3=BAwmware=CE=AAworkstation 7.1=A3=
=AC=BD=F6=B9=A9=B2=CE=BF=BC=A3=AC=CF=C2=CD=AC=A1=A3">Note: wmware to workst=
ation 7.1, for reference, the same below.<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"	xen	=D5=E6=
=CA=B5=BB=FA	wmware	xen/=D5=E6=CA=B5=BB=FA=B1=C8=C0=FD">xen real machine wm=
ware xen / machine ratio of real<br></span><span style=3D"BACKGROUND-COLOR:=
 rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FO=
NT-SIZE: 16px" title=3D"scp=CF=C2=D4=D8=CB=D9=B6=C8=A3=A8M/s=A3=A9	11.3	33.=
2	27.05	34.04%">scp download speed (M / s) 11.3 33.2 27.05 34.04%<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"scp=C9=CF=B4=
=AB=CB=D9=B6=C8=A3=A8M/s=A3=A9	12.1	28.3	26.2	42.76%">scp upload speed (M /=
 s) 12.1 <a href=3D"tel:28.3%2026.2%2042.76" target=3D"_blank" value=3D"+12=
832624276">28.3 26.2 42.76</a>%<br>
<br><br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMI=
LY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"Netp=
erf">Netperf<br><br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245=
); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" t=
itle=3D"=B2=E2=CA=D4=B7=BD=B7=A8">Test methods<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=D7=BC=B1=B8=
=C1=ED=CD=E2=D2=BB=CC=A8=BB=FA=C6=F7A=A3=AC=B2=E2=CA=D4=BB=FA=C6=F7B,=D0=E9=
=C4=E2=BB=FAC=D3=EBA=D6=B1=BD=D3=C7=A7=D5=D7=CD=F8=C1=AC=BD=D3=A3=A8=CD=AC=
=C9=CF=A3=A9=A1=A3">Prepare another machine A, the test machine B, C and A =
virtual machine to connect directly to Gigabit Ethernet (ibid.).<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"A=A1=A2B=A1=
=A2=D0=E9=C4=E2=BB=FA=BE=F9=B0=B2=D7=B0netperf-2.4.5-1.ky3.x86_64.rpm=B0=FC=
=A1=A3">A, B, virtual machines are installed netperf-2.4.5-1.ky3.x86_64.rpm=
 package.<br>
<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: =
arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=B1=BB=
=B2=E2=CA=D4=BB=FA=C6=F7=A3=A8=C8=E7B,=BB=F2=D5=DF=D0=E9=C4=E2=BB=FA=A3=A9=
=D4=CB=D0=D0=B7=FE=CE=F1=C6=F7=B6=CB=A3=BA">The machine being tested (such =
as B, or virtual machine) running the server side:<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"[root@rhel-P=
owerEdge-1 ~]# netserver">[Root @ rhel-PowerEdge-1 ~] # netserver<br></span=
><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, san=
s-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"Starting netserver=
 at port 12865">Starting netserver at port 12865<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"Starting net=
server at hostname 0.0.0.0 port 12865 and family AF_UNSPEC">Starting netser=
ver at hostname 0.0.0.0 port 12865 and family AF_UNSPEC<br>
<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: =
arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"A=BB=FA=
=C6=F7=C9=CF=D0=DE=B8=C4=B2=E2=CA=D4=BF=CD=BB=A7=B6=CB=BD=C5=B1=BE=A3=A8/us=
r/local/sbin/netclient.sh=A3=A9=A3=AC=C4=DA=C8=DD=C8=E7=CF=C2=A3=BA">A mach=
ine to modify the test client script (/ usr / local / sbin / netclient.sh),=
 reads as follows:<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"#!/bin/sh">#=
! / Bin / sh<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); F=
ONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=
=3D"SERVERIP=3D$1">SERVERIP =3D $ 1<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"OUT=3D$2">OU=
T =3D $ 2<br><br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); =
FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" titl=
e=3D"if [ &quot;$SERVERIP&quot; =3D=3D &quot;&quot; -o &quot;$OUT&quot; =3D=
=3D &quot;&quot; ]; then">if [&quot;$ SERVERIP&quot; =3D=3D &quot;&quot;-o =
&quot;$ OUT&quot; =3D=3D &quot;&quot;]; then<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"	echo &quot;=
netclient &lt;Server IP&gt; &lt;OUTPUT FILE&gt;&quot;">echo &quot;netclient=
 &lt;Server IP&gt; &lt;OUTPUT FILE&gt;&quot;<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"	exit 1">exi=
t 1<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMIL=
Y: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"fi">f=
i<br>
<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: =
arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"netperf =
-H $SERVERIP -i 10,2 -I 99,5 -- -m 4096 -s 128K -S 128K &gt; $OUT">netperf-=
H $ SERVERIP-i 10,2-I 99,5 --m 4096-s 128K-S 128K&gt; $ OUT<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"netperf -H $=
SERVERIP -i 10,2 -I 99,5 -- -m 4096 -s 57344 -S 57344 &gt;&gt; $OUT">netper=
f-H $ SERVERIP-i 10,2-I 99,5 --m 4096-s 57344-S 57344&gt;&gt; $ OUT<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"netperf -H $=
SERVERIP -t TCP_CRR -r 32,1024 &gt;&gt; $OUT">netperf-H $ SERVERIP-t TCP_CR=
R-r 32,1024&gt;&gt; $ OUT<br>
<br><br><br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-=
FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=
=D4=CB=D0=D0=B2=E2=CA=D4=BD=C5=B1=BE=A3=BA">Run the test script:<br></span>=
<span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans=
-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"[root@rhel-PowerEdg=
e-1 ~]# sh /usr/local/sbin/netclient.sh =B6=D4=B7=BD=D6=F7=BB=FA=BB=F2=D0=
=E9=C4=E2=BB=FAip =B2=E2=CA=D4=BD=E1=B9=FB.log">[Root @ rhel-PowerEdge-1 ~]=
 # sh / usr / local / sbin / netclient.sh other host or virtual machine ip =
test results. Log<br>
<br><br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMI=
LY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=B2=
=E2=CA=D4=BD=E1=B9=FB">Test results<br><br><br><br></span><span style=3D"BA=
CKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rg=
b(51,51,51); FONT-SIZE: 16px" title=3D"	xen	=D5=E6=CA=B5=BB=FA	wmware	xen/=
=D5=E6=CA=B5=BB=FA=B1=C8=C0=FD">xen real machine wmware xen / machine ratio=
 of real<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=CD=F8=C2=E7=
=CD=CC=CD=C2=C1=BF1=A3=A8=BB=BA=B4=E6=D0=A1=D3=DA=B1=A8=CE=C4=CA=B1=A3=A9=
=A3=A810^6bit/sec=A3=A9	139.16	820.64	519	16.96%">Network throughput 1 (les=
s than the packet buffer) (10 ^ 6bit/sec) 139.16 820.64 519 16.96%<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=CD=F8=C2=E7=
=CD=CC=CD=C2=C1=BF2=A3=A8=BB=BA=B4=E6=B4=F3=D3=DA=B1=A8=CE=C4=CA=B1=A3=A9=
=A3=A810^6bit/sec=A3=A9	151.97	819.78	485.19	18.54%">Network throughput 2 (=
when the cache is greater than the packet) (10 ^ 6bit/sec) 151.97 819.78 48=
5.19 18.54%<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=D2=BB=C3=EB=
=D6=D3=D0=C2=BD=A8=C1=A2TCP=C1=AC=BD=D3=B4=CE=CA=FD=A3=A8=B4=CE/s=A3=A9	763=
.83	2508.85	1357.3	30.45%">A second new TCP connection (times / s) 763.83 2=
508 .85 1357.3 30.45%<br>
<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: =
arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=D7=A2=
=A3=BA=D2=D4=C9=CF=B6=BC=CA=C7=C6=BD=BE=F9=D6=B5=A1=A3">Note: These are ave=
rage.<br><br><br><br><br><br><br><br><br></span><span style=3D"BACKGROUND-C=
OLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51=
); FONT-SIZE: 16px" title=3D"=CD=F8=C2=E7=CE=C4=BC=FE=CF=B5=CD=B3=D0=D4=C4=
=DC=B2=E2=CA=D4">Network File System Performance Test<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"nfs-io=B2=E2=
=CA=D4=A3=A8dd=B2=E2=CA=D4=A3=A9">nfs-io test (dd test)<br><br></span><span=
 style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-seri=
f; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=B2=E2=CA=D4=B7=BD=B7=A8=
">Test methods<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=D6=F7=BB=FA=
C=B9=D2=D4=D8SAN=C5=CC=D5=F3=A3=AC=B2=A2=CC=E1=B9=A9NFS=B7=FE=CE=F1=A3=AC=
=D3=EB=D6=F7=BB=FAA=A3=A8=BC=B0=D0=E9=C4=E2=BB=FA=A3=A9=C7=A7=D5=D7=D2=D4=
=CC=AB=CD=F8=C1=AC=BD=D3=A1=A3">Host C mount SAN disk array, and provide NF=
S services, and host A (and the virtual machine) Gigabit Ethernet connectio=
n.<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"A(=BB=F2=D5=
=DF=D0=E9=C4=E2=BB=FA)=B9=D2=D4=D8=B5=BD/mnt=A3=AC=C8=BB=BA=F3=CD=A8=B9=FD=
=BD=C5=B1=BEdd.sh:">A (or virtual machine) mounted on / mnt, then the scrip=
t dd.sh:<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"#!/bin/bash"=
>#! / Bin / bash<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245=
); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" t=
itle=3D"#mnt"># Mnt<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"echo &quot;/=
mnt&quot;">echo &quot;/ mnt&quot;<br></span><span style=3D"BACKGROUND-COLOR=
: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); F=
ONT-SIZE: 16px" title=3D"echo &quot;dd if=3D/dev/zero of=3D/mnt/test0.date =
bs=3D100M count=3D50&quot;">echo &quot;dd if =3D / dev / zero of =3D / mnt/=
test0.date bs =3D 100M count =3D 50&quot;<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"dd if=3D/dev=
/zero of=3D/mnt/test0.date bs=3D100M count=3D50">dd if =3D / dev / zero of =
=3D / mnt/test0.date bs =3D 100M count =3D 50<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"rm -rf /mnt/=
test0.date">rm-rf / mnt/test0.date<br></span><span style=3D"BACKGROUND-COLO=
R: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); =
FONT-SIZE: 16px" title=3D"echo &quot;dd if=3D/dev/zero of=3D/mnt/test1.date=
 bs=3D10M count=3D500&quot;">echo &quot;dd if =3D / dev / zero of =3D / mnt=
/test1.date bs =3D 10M count =3D 500&quot;<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"dd if=3D/dev=
/zero of=3D/mnt/test1.date bs=3D10M count=3D500">dd if =3D / dev / zero of =
=3D / mnt/test1.date bs =3D 10M count =3D 500<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"rm -rf /mnt/=
test1.date">rm-rf / mnt/test1.date<br></span><span style=3D"BACKGROUND-COLO=
R: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); =
FONT-SIZE: 16px" title=3D"echo &quot;dd if=3D/dev/zero of=3D/mnt/test2.date=
 bs=3D1024 count=3D5000000&quot;">echo &quot;dd if =3D / dev / zero of =3D =
/ mnt/test2.date bs =3D 1024 count =3D 5000000&quot;<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"dd if=3D/dev=
/zero of=3D/mnt/test2.date bs=3D1024 count=3D5000000">dd if =3D / dev / zer=
o of =3D / mnt/test2.date bs =3D 1024 count =3D 5000000<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"rm -rf /mnt/=
test2.date">rm-rf / mnt/test2.date<br><br></span><span style=3D"BACKGROUND-=
COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,5=
1); FONT-SIZE: 16px" title=3D"#sh dd.sh 2&amp;&gt;test_nfs.log"># Sh dd.sh =
2 &amp;&gt; test_nfs.log<br>
<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: =
arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=B2=E2=
=CA=D4=BD=E1=B9=FB">Test results<br><br><br></span><span style=3D"BACKGROUN=
D-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51=
,51); FONT-SIZE: 16px" title=3D"	xen	=D5=E6=CA=B5=BB=FA	=D0=D4=C4=DC=B1=C8"=
>performance than the real machine xen<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=CD=F8=C2=E7=
io=CB=D9=B6=C8M/s	7.5	87.6	8.56%">Network io speed M / s 7.5 87.6 8.56%<br>=
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=CD=F8=C2=E7=
io=CB=D9=B6=C8M/s	7.6	90.5	8.40%">Network io speed M / s 7.6 90.5 8.40%<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=CD=F8=C2=E7=
io=CB=D9=B6=C8M/s	7.4	86.6	8.55%">Network io speed M / s 7.4 86.6 8.55%<br>=
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=C6=BD=BE=F9=
=D6=B5	7.5	88.21	8.50%">Average 7.5 88.21 8.50%</span> <br>
_______________________________________________<br>Xen-users mailing list<b=
r><a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensourc=
e.com</a><br><a href=3D"http://lists.xensource.com/xen-users" target=3D"_bl=
ank">http://lists.xensource.com/xen-users</a><br>
</blockquote></div><br>

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Date: Fri, 9 Dec 2011 10:38:29 +0100
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From: Mike Sievers <saturngeist@googlemail.com>
To: xen-users <Xen-users@lists.xensource.com>
Subject: Re: [Xen-users] xen the i / O performance,
 network performance is only 20-30% of the real machine?
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Hi!

Your post confuses me a litte bit. What are you running?
XenDom0 with a Linux DomU?
Please try hdparn -T -t /dev/sourdev first.
(But I can tell you, that the performace with XEN is nearly the same like
with hardware)
I/O is sometime a questin with yout scheduler. (noop)

Best,
Mike




2011/12/9 =C8=CE=CE=D2=B7=C9 <renwofei423@gmail.com>

> First,sorry my poor english~
> Here is this test:
>
> Virtualization performance comparison test
>
> Test environment
> Physical machine:
> Cpu 8-core
> 8G memory
> HDD: 147G
>
> xen virtual machine:
> cpu 2 core
> 4G memory
> 30G hard drive
>
> wmware virtual machine:
> cpu 2 core
> 4G memory
> 30G hard drive
>
>
> Optical disk array (san)
> Size: 7.7T
> Speed: 6G/sec
>
> Testing and structural
> I / 0 performance test
> Test methods
> Test performance by dd, the script is as follows:
>
> #! / Bin / bash
> # Mnt
> echo "/ mnt"
> echo "dd if =3D / dev / zero of =3D / mnt/test0.date bs =3D 100M count =
=3D 50"
> dd if =3D / dev / zero of =3D / mnt/test0.date bs =3D 100M count =3D 50
> rm-rf / mnt/test0.date
> echo "dd if =3D / dev / zero of =3D / mnt/test1.date bs =3D 10M count =3D=
 500"
> dd if =3D / dev / zero of =3D / mnt/test1.date bs =3D 10M count =3D 500
> rm-rf / mnt/test1.date
> echo "dd if =3D / dev / zero of =3D / mnt/test2.date bs =3D 1024 count =
=3D 5000000"
> dd if =3D / dev / zero of =3D / mnt/test2.date bs =3D 1024 count =3D 5000=
000
> rm-rf / mnt/test2.date
>
> # /
> echo "/"
> echo "dd if =3D / dev / zero of =3D / test0.date bs =3D 100M count =3D 50=
"
> dd if =3D / dev / zero of =3D / test0.date bs =3D 100M count =3D 50
> rm-rf / test0.date
> echo "dd if =3D / dev / zero of =3D / test1.date bs =3D 10M count =3D 500=
"
> dd if =3D / dev / zero of =3D / test1.date bs =3D 10M count =3D 500
> rm-rf / test1.date
> echo "dd if =3D / dev / zero of =3D / test2.date bs =3D 1024 count =3D 50=
00000"
> dd if =3D / dev / zero of =3D / test2.date bs =3D 1024 count =3D 5000000
> rm-rf / test2.date
>
> Respectively, the real physical machines, virtual machines, test /
> directory and the / mnt directory (directly mounted optical disk array) f=
or
> the test.
>
> Test results
>
> Catalog record read into the record bs count read out time (xen) MB / tim=
e
> (xen) time (local) MB / time (local)
> / Mnt 100M 50 50 +0 50 +0 39.7209 132 19.4492 270
> / Mnt 10M 500 500 +0 500 +0 44.5654 118 20.3288 258
> / Mnt 1024bytes 5000000 5000000 +0 5000000 +0 43.7605 117 42.1754 121
> / 100M 50 50 +0 50 +0 159.142 32.9 25.1047 209
> / 10M 500 500 +0 500 +0 183.316 28.6 28.3515 185
> / 1024bytes 5000000 5000000 +0 5000000 +0 175.724 29.1 36.3496 141
>
>
>
>
>
> Network Performance Testing
> SCP performance test
>
> Test methods
>
> Large files via scp (2G or more, such as RHEL system ISO file) to test
> their network performance.
>
> Testing machine with a real machine, the virtual machine must be connecte=
d
> to Gigabit Ethernet, with the following command:
> [Root @ rhel-PowerEdge-1 ~] # ethtool eth0
> Settings for eth0:
>         Supported ports: [TP]
>         Supported link modes: 10baseT/Half 10baseT/Full
>                                 100baseT/Half 100baseT/Full
>                                 1000baseT/Full
>         Supports auto-negotiation: Yes
>         Advertised link modes: 10baseT/Half 10baseT/Full
>                                 100baseT/Half 100baseT/Full
>                                 1000baseT/Full
>         Advertised pause frame use: No
>         Advertised auto-negotiation: Yes
>         Speed: 1000Mb / s
>         Duplex: Full
>         Port: Twisted Pair
>         PHYAD: 1
>         Transceiver: internal
>         Auto-negotiation: on
>         MDI-X: Unknown
>         Supports Wake-on: g
>         Wake-on: d
>         Link detected: yes
> Speed: 1000Mb / s that is Gigabit.
>
>
> Test results
> Note: wmware to workstation 7.1, for reference, the same below.
> xen real machine wmware xen / machine ratio of real
> scp download speed (M / s) 11.3 33.2 27.05 34.04%
> scp upload speed (M / s) 12.1 28.3 26.2 42.76%
>
>
> Netperf
>
> Test methods
> Prepare another machine A, the test machine B, C and A virtual machine to
> connect directly to Gigabit Ethernet (ibid.).
> A, B, virtual machines are installed netperf-2.4.5-1.ky3.x86_64.rpm
> package.
>
> The machine being tested (such as B, or virtual machine) running the
> server side:
> [Root @ rhel-PowerEdge-1 ~] # netserver
> Starting netserver at port 12865
> Starting netserver at hostname 0.0.0.0 port 12865 and family AF_UNSPEC
>
> A machine to modify the test client script (/ usr / local / sbin /
> netclient.sh), reads as follows:
> #! / Bin / sh
> SERVERIP =3D $ 1
> OUT =3D $ 2
>
> if ["$ SERVERIP" =3D=3D ""-o "$ OUT" =3D=3D ""]; then
> echo "netclient <Server IP> <OUTPUT FILE>"
> exit 1
> fi
>
> netperf-H $ SERVERIP-i 10,2-I 99,5 --m 4096-s 128K-S 128K> $ OUT
> netperf-H $ SERVERIP-i 10,2-I 99,5 --m 4096-s 57344-S 57344>> $ OUT
> netperf-H $ SERVERIP-t TCP_CRR-r 32,1024>> $ OUT
>
>
>
> Run the test script:
> [Root @ rhel-PowerEdge-1 ~] # sh / usr / local / sbin / netclient.sh othe=
r
> host or virtual machine ip test results. Log
>
>
> Test results
>
>
>
> xen real machine wmware xen / machine ratio of real
> Network throughput 1 (less than the packet buffer) (10 ^ 6bit/sec) 139.16
> 820.64 519 16.96%
> Network throughput 2 (when the cache is greater than the packet) (10 ^
> 6bit/sec) 151.97 819.78 485.19 18.54%
> A second new TCP connection (times / s) 763.83 2508 .85 1357.3 30.45%
>
> Note: These are average.
>
>
>
>
>
>
>
>
> Network File System Performance Test
> nfs-io test (dd test)
>
> Test methods
> Host C mount SAN disk array, and provide NFS services, and host A (and th=
e
> virtual machine) Gigabit Ethernet connection.
> A (or virtual machine) mounted on / mnt, then the script dd.sh:
> #! / Bin / bash
> # Mnt
> echo "/ mnt"
> echo "dd if =3D / dev / zero of =3D / mnt/test0.date bs =3D 100M count =
=3D 50"
> dd if =3D / dev / zero of =3D / mnt/test0.date bs =3D 100M count =3D 50
> rm-rf / mnt/test0.date
> echo "dd if =3D / dev / zero of =3D / mnt/test1.date bs =3D 10M count =3D=
 500"
> dd if =3D / dev / zero of =3D / mnt/test1.date bs =3D 10M count =3D 500
> rm-rf / mnt/test1.date
> echo "dd if =3D / dev / zero of =3D / mnt/test2.date bs =3D 1024 count =
=3D 5000000"
> dd if =3D / dev / zero of =3D / mnt/test2.date bs =3D 1024 count =3D 5000=
000
> rm-rf / mnt/test2.date
>
> # Sh dd.sh 2 &> test_nfs.log
>
> Test results
>
>
> performance than the real machine xen
> Network io speed M / s 7.5 87.6 8.56%
> Network io speed M / s 7.6 90.5 8.40%
> Network io speed M / s 7.4 86.6 8.55%
> Average 7.5 88.21 8.50%
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>

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<div>Hi!</div>
<div>&nbsp;</div>
<div>Your post confuses me a litte bit. What are you running?</div>
<div>XenDom0 with a Linux DomU?</div>
<div>Please try hdparn -T -t /dev/sourdev first.</div>
<div>(But I can tell you, that the performace with XEN is nearly the same l=
ike with hardware)</div>
<div>I/O is sometime a questin with yout scheduler. (noop)</div>
<div>&nbsp;</div>
<div>Best,</div>
<div>Mike</div>
<div>&nbsp;</div>
<div><br><br>&nbsp;</div>
<div class=3D"gmail_quote">2011/12/9 =C8=CE=CE=D2=B7=C9 <span dir=3D"ltr">&=
lt;<a href=3D"mailto:renwofei423@gmail.com">renwofei423@gmail.com</a>&gt;</=
span><br>
<blockquote style=3D"BORDER-LEFT: #ccc 1px solid; MARGIN: 0px 0px 0px 0.8ex=
; PADDING-LEFT: 1ex" class=3D"gmail_quote">
<div><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial,=
 sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=D0=E9=C4=E2=
=BB=AF=D0=D4=C4=DC=B6=D4=B1=C8=B2=E2=CA=D4">First,sorry my poor english~</s=
pan></div>
<div><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial,=
 sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=D0=E9=C4=E2=
=BB=AF=D0=D4=C4=DC=B6=D4=B1=C8=B2=E2=CA=D4">Here is this test:</span></div>
<div><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial,=
 sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=D0=E9=C4=E2=
=BB=AF=D0=D4=C4=DC=B6=D4=B1=C8=B2=E2=CA=D4"><br></span></div><span style=3D=
"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR:=
 rgb(51,51,51); FONT-SIZE: 16px" title=3D"=D0=E9=C4=E2=BB=AF=D0=D4=C4=DC=B6=
=D4=B1=C8=B2=E2=CA=D4">Virtualization performance comparison test<br>
<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: =
arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=B2=E2=
=CA=D4=BB=B7=BE=B3">Test environment<br></span><span style=3D"BACKGROUND-CO=
LOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51)=
; FONT-SIZE: 16px" title=3D"=CE=EF=C0=ED=BB=FA=A3=BA">Physical machine:<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"	Cpu 8=BA=CB=
">Cpu 8-core<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); F=
ONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=
=3D"	=C4=DA=B4=E6 8G">8G memory<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"	=D3=B2=C5=
=CC=A3=BA 147G">HDD: 147G<br><br></span><span style=3D"BACKGROUND-COLOR: rg=
b(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-=
SIZE: 16px" title=3D"xen=D0=E9=C4=E2=BB=FA=A3=BA">xen virtual machine:<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"	cpu 2=BA=CB=
">cpu 2 core<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); F=
ONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=
=3D"	=C4=DA=B4=E64G">4G memory<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"	=D3=B2=C5=
=CC30G">30G hard drive<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,2=
45,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 1=
6px" title=3D"	"><br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"wmware=D0=E9=
=C4=E2=BB=FA=A3=BA">wmware virtual machine:<br></span><span style=3D"BACKGR=
OUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51=
,51,51); FONT-SIZE: 16px" title=3D"	cpu 2=BA=CB">cpu 2 core<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"	=C4=DA=B4=
=E64G">4G memory<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245=
); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" t=
itle=3D"	=D3=B2=C5=CC30G">30G hard drive<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"	"><br><br><=
/span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial=
, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=B9=E2=CF=CB=
=C5=CC=D5=F3(san)">Optical disk array (san)<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=B4=F3=D0=A1=
=A3=BA7.7T">Size: 7.7T<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,2=
45,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 1=
6px" title=3D"=CB=D9=B6=C8=A3=BA6G/sec">Speed: 6G/sec<br>
<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: =
arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=B2=E2=
=CA=D4=BA=CD=BD=E1=B9=B9">Testing and structural<br></span><span style=3D"B=
ACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: r=
gb(51,51,51); FONT-SIZE: 16px" title=3D"I/0=D0=D4=C4=DC=B2=E2=CA=D4">I / 0 =
performance test<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=B2=E2=CA=D4=
=B7=BD=B7=A8">Test methods<br></span><span style=3D"BACKGROUND-COLOR: rgb(2=
45,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZ=
E: 16px" title=3D"=CD=A8=B9=FDdd=B2=E2=CA=D4=D0=D4=C4=DC=A3=AC=BD=C5=B1=BE=
=C8=E7=CF=C2=A3=BA">Test performance by dd, the script is as follows:<br>
<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: =
arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"#!/bin/b=
ash">#! / Bin / bash<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245=
,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16p=
x" title=3D"#mnt"># Mnt<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"echo &quot;/=
mnt&quot;">echo &quot;/ mnt&quot;<br></span><span style=3D"BACKGROUND-COLOR=
: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); F=
ONT-SIZE: 16px" title=3D"echo &quot;dd if=3D/dev/zero of=3D/mnt/test0.date =
bs=3D100M count=3D50&quot;">echo &quot;dd if =3D / dev / zero of =3D / mnt/=
test0.date bs =3D 100M count =3D 50&quot;<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"dd if=3D/dev=
/zero of=3D/mnt/test0.date bs=3D100M count=3D50">dd if =3D / dev / zero of =
=3D / mnt/test0.date bs =3D 100M count =3D 50<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"rm -rf /mnt/=
test0.date">rm-rf / mnt/test0.date<br></span><span style=3D"BACKGROUND-COLO=
R: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); =
FONT-SIZE: 16px" title=3D"echo &quot;dd if=3D/dev/zero of=3D/mnt/test1.date=
 bs=3D10M count=3D500&quot;">echo &quot;dd if =3D / dev / zero of =3D / mnt=
/test1.date bs =3D 10M count =3D 500&quot;<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"dd if=3D/dev=
/zero of=3D/mnt/test1.date bs=3D10M count=3D500">dd if =3D / dev / zero of =
=3D / mnt/test1.date bs =3D 10M count =3D 500<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"rm -rf /mnt/=
test1.date">rm-rf / mnt/test1.date<br></span><span style=3D"BACKGROUND-COLO=
R: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); =
FONT-SIZE: 16px" title=3D"echo &quot;dd if=3D/dev/zero of=3D/mnt/test2.date=
 bs=3D1024 count=3D5000000&quot;">echo &quot;dd if =3D / dev / zero of =3D =
/ mnt/test2.date bs =3D 1024 count =3D 5000000&quot;<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"dd if=3D/dev=
/zero of=3D/mnt/test2.date bs=3D1024 count=3D5000000">dd if =3D / dev / zer=
o of =3D / mnt/test2.date bs =3D 1024 count =3D 5000000<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"rm -rf /mnt/=
test2.date">rm-rf / mnt/test2.date<br><br></span><span style=3D"BACKGROUND-=
COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,5=
1); FONT-SIZE: 16px" title=3D"#/"># /<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"echo &quot;/=
&quot;">echo &quot;/&quot;<br></span><span style=3D"BACKGROUND-COLOR: rgb(2=
45,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZ=
E: 16px" title=3D"echo &quot;dd if=3D/dev/zero of=3D/test0.date bs=3D100M c=
ount=3D50&quot;">echo &quot;dd if =3D / dev / zero of =3D / test0.date bs =
=3D 100M count =3D 50&quot;<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"dd if=3D/dev=
/zero of=3D/test0.date bs=3D100M count=3D50">dd if =3D / dev / zero of =3D =
/ test0.date bs =3D 100M count =3D 50<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"rm -rf /test=
0.date">rm-rf / test0.date<br></span><span style=3D"BACKGROUND-COLOR: rgb(2=
45,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZ=
E: 16px" title=3D"echo &quot;dd if=3D/dev/zero of=3D/test1.date bs=3D10M co=
unt=3D500&quot;">echo &quot;dd if =3D / dev / zero of =3D / test1.date bs =
=3D 10M count =3D 500&quot;<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"dd if=3D/dev=
/zero of=3D/test1.date bs=3D10M count=3D500">dd if =3D / dev / zero of =3D =
/ test1.date bs =3D 10M count =3D 500<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"rm -rf /test=
1.date">rm-rf / test1.date<br></span><span style=3D"BACKGROUND-COLOR: rgb(2=
45,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZ=
E: 16px" title=3D"echo &quot;dd if=3D/dev/zero of=3D/test2.date bs=3D1024 c=
ount=3D5000000&quot;">echo &quot;dd if =3D / dev / zero of =3D / test2.date=
 bs =3D 1024 count =3D 5000000&quot;<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"dd if=3D/dev=
/zero of=3D/test2.date bs=3D1024 count=3D5000000">dd if =3D / dev / zero of=
 =3D / test2.date bs =3D 1024 count =3D 5000000<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"rm -rf /test=
2.date">rm-rf / test2.date<br><br></span><span style=3D"BACKGROUND-COLOR: r=
gb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT=
-SIZE: 16px" title=3D"=B7=D6=B1=F0=B6=D4=CE=EF=C0=ED=D5=E6=CA=B5=BB=FA=C6=
=F7=A1=A2=D0=E9=C4=E2=BB=FA, =B2=E2=CA=D4/=C4=BF=C2=BC=BA=CD/mnt=C4=BF=C2=
=BC=A3=A8=D6=B1=BD=D3=B9=D2=D4=D8=B9=E2=CF=CB=C5=CC=D5=F3=A3=A9=BD=F8=D0=D0=
=C9=CF=CA=F6=B2=E2=CA=D4=A1=A3">Respectively, the real physical machines, v=
irtual machines, test / directory and the / mnt directory (directly mounted=
 optical disk array) for the test.<br>
<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: =
arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=B2=E2=
=CA=D4=BD=E1=B9=FB">Test results<br><br></span><span style=3D"BACKGROUND-CO=
LOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51)=
; FONT-SIZE: 16px" title=3D"=C4=BF=C2=BC	bs	count	=BC=C7=C2=BC=B6=C1=C8=EB	=
=BC=C7=C2=BC=B6=C1=B3=F6	time=A3=A8xen=A3=A9	MB/time=A3=A8xen=A3=A9	time=A3=
=A8local=A3=A9	MB/time=A3=A8local=A3=A9">Catalog record read into the recor=
d bs count read out time (xen) MB / time (xen) time (local) MB / time (loca=
l)<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"/mnt	100M	50=
	50+0	50+0	39.7209	132	19.4492	270">/ Mnt 100M 50 50 +0 50 +0 39.7209 132 1=
9.4492 270<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"/mnt	10M	500=
	500+0	500+0	44.5654	118	20.3288	258">/ Mnt 10M 500 500 +0 500 +0 44.5654 1=
18 20.3288 258<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"/mnt	1024byt=
es	5000000	5000000+0	5000000+0	43.7605	117	42.1754	121">/ Mnt 1024bytes 500=
0000 5000000 +0 5000000 +0 43.7605 117 42.1754 121<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"/	100M	50	50=
+0	50+0	159.142	32.9	25.1047	209">/ 100M 50 50 +0 50 +0 159.142 32.9 25.104=
7 209<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"/	10M	500	50=
0+0	500+0	183.316	28.6	28.3515	185">/ 10M 500 500 +0 500 +0 183.316 28.6 28=
.3515 185<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"/	1024bytes	=
5000000	5000000+0	5000000+0	175.724	29.1	36.3496	141">/ 1024bytes 5000000 5=
000000 +0 5000000 +0 175.724 29.1 36.3496 141<br>
<br><br><br><br><br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245=
); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" t=
itle=3D"=CD=F8=C2=E7=D0=D4=C4=DC=B2=E2=CA=D4">Network Performance Testing<b=
r></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: ar=
ial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"SCP=D0=D4=
=C4=DC=B2=E2=CA=D4">SCP performance test<br>
<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: =
arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=B2=E2=
=CA=D4=B7=BD=B7=A8">Test methods<br><br></span><span style=3D"BACKGROUND-CO=
LOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51)=
; FONT-SIZE: 16px" title=3D"=CD=A8=B9=FDscp =B4=F3=CE=C4=BC=FE=A3=A82G=D2=
=D4=C9=CF=A3=AC=B1=C8=C8=E7=F7=E8=F7=EB=CF=B5=CD=B3=B5=C4ISO=CE=C4=BC=FE=A3=
=A9=B2=E2=CA=D4=C6=E4=CD=F8=C2=E7=D0=D4=C4=DC=A1=A3">Large files via scp (2=
G or more, such as RHEL system ISO file) to test their network performance.=
<br>
<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: =
arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=B2=E2=
=CA=D4=BB=FA=D3=EB=D5=E6=CA=B5=BB=FA=C6=F7=A1=A2=D0=E9=C4=E2=BB=FA=B1=D8=D0=
=EB=CA=C7=C7=A7=D5=D7=CD=F8=CF=E0=C1=AC=A3=AC=CD=A8=B9=FD=CF=C2=C3=E6=C3=FC=
=C1=EE=B2=E9=BF=B4=A3=BA">Testing machine with a real machine, the virtual =
machine must be connected to Gigabit Ethernet, with the following command:<=
br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"[root@rhel-P=
owerEdge-1 ~]# ethtool eth0">[Root @ rhel-PowerEdge-1 ~] # ethtool eth0<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"Settings for=
 eth0:">Settings for eth0:<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: a=
rial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"Supported=
 ports: [ TP ]">Supported ports: [TP]<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKG=
ROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(5=
1,51,51); FONT-SIZE: 16px" title=3D"Supported link modes: 10baseT/Half 10ba=
seT/Full">Supported link modes: 10baseT/Half 10baseT/Full<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKGROUND-=
COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,5=
1); FONT-SIZE: 16px" title=3D"100baseT/Half 100baseT/Full">100baseT/Half 10=
0baseT/Full<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKGROUND-=
COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,5=
1); FONT-SIZE: 16px" title=3D"1000baseT/Full">1000baseT/Full<br>&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKGROUND-COLOR=
: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); F=
ONT-SIZE: 16px" title=3D"Supports auto-negotiation: Yes">Supports auto-nego=
tiation: Yes<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKG=
ROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(5=
1,51,51); FONT-SIZE: 16px" title=3D"Advertised link modes: 10baseT/Half 10b=
aseT/Full">Advertised link modes: 10baseT/Half 10baseT/Full<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKGROUND-=
COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,5=
1); FONT-SIZE: 16px" title=3D"100baseT/Half 100baseT/Full">100baseT/Half 10=
0baseT/Full<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKGROUND-=
COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,5=
1); FONT-SIZE: 16px" title=3D"1000baseT/Full">1000baseT/Full<br>&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKGROUND-COLOR=
: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); F=
ONT-SIZE: 16px" title=3D"Advertised pause frame use: No">Advertised pause f=
rame use: No<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKG=
ROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(5=
1,51,51); FONT-SIZE: 16px" title=3D"Advertised auto-negotiation: Yes">Adver=
tised auto-negotiation: Yes<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: =
arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"Speed: 1=
000Mb/s">Speed: 1000Mb / s<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKG=
ROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(5=
1,51,51); FONT-SIZE: 16px" title=3D"Duplex: Full">Duplex: Full<br>&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKGROUND-COL=
OR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51);=
 FONT-SIZE: 16px" title=3D"Port: Twisted Pair">Port: Twisted Pair<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKG=
ROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(5=
1,51,51); FONT-SIZE: 16px" title=3D"PHYAD: 1">PHYAD: 1<br>&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKGROUND-COLOR: rgb(=
245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SI=
ZE: 16px" title=3D"Transceiver: internal">Transceiver: internal<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKG=
ROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(5=
1,51,51); FONT-SIZE: 16px" title=3D"Auto-negotiation: on">Auto-negotiation:=
 on<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=
=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COL=
OR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"MDI-X: Unknown">MDI-X: Unknown=
<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKG=
ROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(5=
1,51,51); FONT-SIZE: 16px" title=3D"Supports Wake-on: g">Supports Wake-on: =
g<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"=
BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: =
rgb(51,51,51); FONT-SIZE: 16px" title=3D"Wake-on: d">Wake-on: d<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=3D"BACKG=
ROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(5=
1,51,51); FONT-SIZE: 16px" title=3D"Link detected: yes">Link detected: yes<=
br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: a=
rial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"Speed: 10=
00Mb/s =BC=B4=C7=A7=D5=D7=A1=A3">Speed: 1000Mb / s that is Gigabit.<br>
<br><br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMI=
LY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=B2=
=E2=CA=D4=BD=E1=B9=FB">Test results<br></span><span style=3D"BACKGROUND-COL=
OR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51);=
 FONT-SIZE: 16px" title=3D"=D7=A2=D2=E2=A3=BAwmware=CE=AAworkstation 7.1=A3=
=AC=BD=F6=B9=A9=B2=CE=BF=BC=A3=AC=CF=C2=CD=AC=A1=A3">Note: wmware to workst=
ation 7.1, for reference, the same below.<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"	xen	=D5=E6=
=CA=B5=BB=FA	wmware	xen/=D5=E6=CA=B5=BB=FA=B1=C8=C0=FD">xen real machine wm=
ware xen / machine ratio of real<br></span><span style=3D"BACKGROUND-COLOR:=
 rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FO=
NT-SIZE: 16px" title=3D"scp=CF=C2=D4=D8=CB=D9=B6=C8=A3=A8M/s=A3=A9	11.3	33.=
2	27.05	34.04%">scp download speed (M / s) 11.3 33.2 27.05 34.04%<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"scp=C9=CF=B4=
=AB=CB=D9=B6=C8=A3=A8M/s=A3=A9	12.1	28.3	26.2	42.76%">scp upload speed (M /=
 s) 12.1 <a href=3D"tel:28.3%2026.2%2042.76" target=3D"_blank" value=3D"+12=
832624276">28.3 26.2 42.76</a>%<br>
<br><br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMI=
LY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"Netp=
erf">Netperf<br><br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245=
); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" t=
itle=3D"=B2=E2=CA=D4=B7=BD=B7=A8">Test methods<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=D7=BC=B1=B8=
=C1=ED=CD=E2=D2=BB=CC=A8=BB=FA=C6=F7A=A3=AC=B2=E2=CA=D4=BB=FA=C6=F7B,=D0=E9=
=C4=E2=BB=FAC=D3=EBA=D6=B1=BD=D3=C7=A7=D5=D7=CD=F8=C1=AC=BD=D3=A3=A8=CD=AC=
=C9=CF=A3=A9=A1=A3">Prepare another machine A, the test machine B, C and A =
virtual machine to connect directly to Gigabit Ethernet (ibid.).<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"A=A1=A2B=A1=
=A2=D0=E9=C4=E2=BB=FA=BE=F9=B0=B2=D7=B0netperf-2.4.5-1.ky3.x86_64.rpm=B0=FC=
=A1=A3">A, B, virtual machines are installed netperf-2.4.5-1.ky3.x86_64.rpm=
 package.<br>
<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: =
arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=B1=BB=
=B2=E2=CA=D4=BB=FA=C6=F7=A3=A8=C8=E7B,=BB=F2=D5=DF=D0=E9=C4=E2=BB=FA=A3=A9=
=D4=CB=D0=D0=B7=FE=CE=F1=C6=F7=B6=CB=A3=BA">The machine being tested (such =
as B, or virtual machine) running the server side:<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"[root@rhel-P=
owerEdge-1 ~]# netserver">[Root @ rhel-PowerEdge-1 ~] # netserver<br></span=
><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, san=
s-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"Starting netserver=
 at port 12865">Starting netserver at port 12865<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"Starting net=
server at hostname 0.0.0.0 port 12865 and family AF_UNSPEC">Starting netser=
ver at hostname 0.0.0.0 port 12865 and family AF_UNSPEC<br>
<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: =
arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"A=BB=FA=
=C6=F7=C9=CF=D0=DE=B8=C4=B2=E2=CA=D4=BF=CD=BB=A7=B6=CB=BD=C5=B1=BE=A3=A8/us=
r/local/sbin/netclient.sh=A3=A9=A3=AC=C4=DA=C8=DD=C8=E7=CF=C2=A3=BA">A mach=
ine to modify the test client script (/ usr / local / sbin / netclient.sh),=
 reads as follows:<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"#!/bin/sh">#=
! / Bin / sh<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); F=
ONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=
=3D"SERVERIP=3D$1">SERVERIP =3D $ 1<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"OUT=3D$2">OU=
T =3D $ 2<br><br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); =
FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" titl=
e=3D"if [ &quot;$SERVERIP&quot; =3D=3D &quot;&quot; -o &quot;$OUT&quot; =3D=
=3D &quot;&quot; ]; then">if [&quot;$ SERVERIP&quot; =3D=3D &quot;&quot;-o =
&quot;$ OUT&quot; =3D=3D &quot;&quot;]; then<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"	echo &quot;=
netclient &lt;Server IP&gt; &lt;OUTPUT FILE&gt;&quot;">echo &quot;netclient=
 &lt;Server IP&gt; &lt;OUTPUT FILE&gt;&quot;<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"	exit 1">exi=
t 1<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMIL=
Y: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"fi">f=
i<br>
<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: =
arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"netperf =
-H $SERVERIP -i 10,2 -I 99,5 -- -m 4096 -s 128K -S 128K &gt; $OUT">netperf-=
H $ SERVERIP-i 10,2-I 99,5 --m 4096-s 128K-S 128K&gt; $ OUT<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"netperf -H $=
SERVERIP -i 10,2 -I 99,5 -- -m 4096 -s 57344 -S 57344 &gt;&gt; $OUT">netper=
f-H $ SERVERIP-i 10,2-I 99,5 --m 4096-s 57344-S 57344&gt;&gt; $ OUT<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"netperf -H $=
SERVERIP -t TCP_CRR -r 32,1024 &gt;&gt; $OUT">netperf-H $ SERVERIP-t TCP_CR=
R-r 32,1024&gt;&gt; $ OUT<br>
<br><br><br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-=
FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=
=D4=CB=D0=D0=B2=E2=CA=D4=BD=C5=B1=BE=A3=BA">Run the test script:<br></span>=
<span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans=
-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"[root@rhel-PowerEdg=
e-1 ~]# sh /usr/local/sbin/netclient.sh =B6=D4=B7=BD=D6=F7=BB=FA=BB=F2=D0=
=E9=C4=E2=BB=FAip =B2=E2=CA=D4=BD=E1=B9=FB.log">[Root @ rhel-PowerEdge-1 ~]=
 # sh / usr / local / sbin / netclient.sh other host or virtual machine ip =
test results. Log<br>
<br><br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMI=
LY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=B2=
=E2=CA=D4=BD=E1=B9=FB">Test results<br><br><br><br></span><span style=3D"BA=
CKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rg=
b(51,51,51); FONT-SIZE: 16px" title=3D"	xen	=D5=E6=CA=B5=BB=FA	wmware	xen/=
=D5=E6=CA=B5=BB=FA=B1=C8=C0=FD">xen real machine wmware xen / machine ratio=
 of real<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=CD=F8=C2=E7=
=CD=CC=CD=C2=C1=BF1=A3=A8=BB=BA=B4=E6=D0=A1=D3=DA=B1=A8=CE=C4=CA=B1=A3=A9=
=A3=A810^6bit/sec=A3=A9	139.16	820.64	519	16.96%">Network throughput 1 (les=
s than the packet buffer) (10 ^ 6bit/sec) 139.16 820.64 519 16.96%<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=CD=F8=C2=E7=
=CD=CC=CD=C2=C1=BF2=A3=A8=BB=BA=B4=E6=B4=F3=D3=DA=B1=A8=CE=C4=CA=B1=A3=A9=
=A3=A810^6bit/sec=A3=A9	151.97	819.78	485.19	18.54%">Network throughput 2 (=
when the cache is greater than the packet) (10 ^ 6bit/sec) 151.97 819.78 48=
5.19 18.54%<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=D2=BB=C3=EB=
=D6=D3=D0=C2=BD=A8=C1=A2TCP=C1=AC=BD=D3=B4=CE=CA=FD=A3=A8=B4=CE/s=A3=A9	763=
.83	2508.85	1357.3	30.45%">A second new TCP connection (times / s) 763.83 2=
508 .85 1357.3 30.45%<br>
<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: =
arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=D7=A2=
=A3=BA=D2=D4=C9=CF=B6=BC=CA=C7=C6=BD=BE=F9=D6=B5=A1=A3">Note: These are ave=
rage.<br><br><br><br><br><br><br><br><br></span><span style=3D"BACKGROUND-C=
OLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51=
); FONT-SIZE: 16px" title=3D"=CD=F8=C2=E7=CE=C4=BC=FE=CF=B5=CD=B3=D0=D4=C4=
=DC=B2=E2=CA=D4">Network File System Performance Test<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"nfs-io=B2=E2=
=CA=D4=A3=A8dd=B2=E2=CA=D4=A3=A9">nfs-io test (dd test)<br><br></span><span=
 style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-seri=
f; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=B2=E2=CA=D4=B7=BD=B7=A8=
">Test methods<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=D6=F7=BB=FA=
C=B9=D2=D4=D8SAN=C5=CC=D5=F3=A3=AC=B2=A2=CC=E1=B9=A9NFS=B7=FE=CE=F1=A3=AC=
=D3=EB=D6=F7=BB=FAA=A3=A8=BC=B0=D0=E9=C4=E2=BB=FA=A3=A9=C7=A7=D5=D7=D2=D4=
=CC=AB=CD=F8=C1=AC=BD=D3=A1=A3">Host C mount SAN disk array, and provide NF=
S services, and host A (and the virtual machine) Gigabit Ethernet connectio=
n.<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"A(=BB=F2=D5=
=DF=D0=E9=C4=E2=BB=FA)=B9=D2=D4=D8=B5=BD/mnt=A3=AC=C8=BB=BA=F3=CD=A8=B9=FD=
=BD=C5=B1=BEdd.sh:">A (or virtual machine) mounted on / mnt, then the scrip=
t dd.sh:<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"#!/bin/bash"=
>#! / Bin / bash<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245=
); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" t=
itle=3D"#mnt"># Mnt<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"echo &quot;/=
mnt&quot;">echo &quot;/ mnt&quot;<br></span><span style=3D"BACKGROUND-COLOR=
: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); F=
ONT-SIZE: 16px" title=3D"echo &quot;dd if=3D/dev/zero of=3D/mnt/test0.date =
bs=3D100M count=3D50&quot;">echo &quot;dd if =3D / dev / zero of =3D / mnt/=
test0.date bs =3D 100M count =3D 50&quot;<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"dd if=3D/dev=
/zero of=3D/mnt/test0.date bs=3D100M count=3D50">dd if =3D / dev / zero of =
=3D / mnt/test0.date bs =3D 100M count =3D 50<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"rm -rf /mnt/=
test0.date">rm-rf / mnt/test0.date<br></span><span style=3D"BACKGROUND-COLO=
R: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); =
FONT-SIZE: 16px" title=3D"echo &quot;dd if=3D/dev/zero of=3D/mnt/test1.date=
 bs=3D10M count=3D500&quot;">echo &quot;dd if =3D / dev / zero of =3D / mnt=
/test1.date bs =3D 10M count =3D 500&quot;<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"dd if=3D/dev=
/zero of=3D/mnt/test1.date bs=3D10M count=3D500">dd if =3D / dev / zero of =
=3D / mnt/test1.date bs =3D 10M count =3D 500<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"rm -rf /mnt/=
test1.date">rm-rf / mnt/test1.date<br></span><span style=3D"BACKGROUND-COLO=
R: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,51); =
FONT-SIZE: 16px" title=3D"echo &quot;dd if=3D/dev/zero of=3D/mnt/test2.date=
 bs=3D1024 count=3D5000000&quot;">echo &quot;dd if =3D / dev / zero of =3D =
/ mnt/test2.date bs =3D 1024 count =3D 5000000&quot;<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"dd if=3D/dev=
/zero of=3D/mnt/test2.date bs=3D1024 count=3D5000000">dd if =3D / dev / zer=
o of =3D / mnt/test2.date bs =3D 1024 count =3D 5000000<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"rm -rf /mnt/=
test2.date">rm-rf / mnt/test2.date<br><br></span><span style=3D"BACKGROUND-=
COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51,5=
1); FONT-SIZE: 16px" title=3D"#sh dd.sh 2&amp;&gt;test_nfs.log"># Sh dd.sh =
2 &amp;&gt; test_nfs.log<br>
<br></span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: =
arial, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=B2=E2=
=CA=D4=BD=E1=B9=FB">Test results<br><br><br></span><span style=3D"BACKGROUN=
D-COLOR: rgb(245,245,245); FONT-FAMILY: arial, sans-serif; COLOR: rgb(51,51=
,51); FONT-SIZE: 16px" title=3D"	xen	=D5=E6=CA=B5=BB=FA	=D0=D4=C4=DC=B1=C8"=
>performance than the real machine xen<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=CD=F8=C2=E7=
io=CB=D9=B6=C8M/s	7.5	87.6	8.56%">Network io speed M / s 7.5 87.6 8.56%<br>=
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=CD=F8=C2=E7=
io=CB=D9=B6=C8M/s	7.6	90.5	8.40%">Network io speed M / s 7.6 90.5 8.40%<br>
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=CD=F8=C2=E7=
io=CB=D9=B6=C8M/s	7.4	86.6	8.55%">Network io speed M / s 7.4 86.6 8.55%<br>=
</span><span style=3D"BACKGROUND-COLOR: rgb(245,245,245); FONT-FAMILY: aria=
l, sans-serif; COLOR: rgb(51,51,51); FONT-SIZE: 16px" title=3D"=C6=BD=BE=F9=
=D6=B5	7.5	88.21	8.50%">Average 7.5 88.21 8.50%</span> <br>
_______________________________________________<br>Xen-users mailing list<b=
r><a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensourc=
e.com</a><br><a href=3D"http://lists.xensource.com/xen-users" target=3D"_bl=
ank">http://lists.xensource.com/xen-users</a><br>
</blockquote></div><br>

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Subject: [Xen-users] List of event channels being used in dom0
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Hi,
I wonder if someone knows some tool or procedure to list all the xen 
event channels being used by dom0. Ideally, it would list the dom0 event 
channels for both virtual devices provided to domUs and for the physical 
devices associated with the host.
Thanks,
Marcus


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From: Marcus Granado <marcus.granado@citrix.com>
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Subject: [Xen-users] List of event channels being used in dom0
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Hi,
I wonder if someone knows some tool or procedure to list all the xen 
event channels being used by dom0. Ideally, it would list the dom0 event 
channels for both virtual devices provided to domUs and for the physical 
devices associated with the host.
Thanks,
Marcus


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Subject: [Xen-users] VT-d issues (network & kernel panic)
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Hi=2C   I made a xen machine with 2 desktops in passthrough mode both DomU =
machines are windows 7 (got more DomU hosted with no Vt-D devices attached)=
  Mind you I am very happy with how the stuff works it was a Proof Of Conce=
pt for me and with minor exceptions it works very well. I am field testing =
the stuff - Debian Wheezy/sid (testing) 3.1 kernel - xen 4.1.1 ps all windo=
ws machines have signed GPLPV drivers installed.   1) Here is 1 problem (ne=
twork)  using a normal xen nic in bridge mode When ever I start a webgame (=
MMORPG) with connection drops every 30 sec and Teamspeak causes the network=
 to die .. I really need to restart the Xen hypervisor machinerestarting ne=
twork inside Domain-0 does not solve the problem (/etc/init.d/networking or=
 /etc/init.d/network-manager) on the DomU the network card disable/enable d=
oes not solve it either. tried different routines of starting/stopping etc.=
  What does work oddly enough is browsing the web=2C instant messenger=2C e=
ven transfering 8gb of data (large and small files) from VT-d USB ---> desk=
top --> internal nic ---> DomU fileserver.  Not really nice but work-around=
 that solved it was: passing through the internal 2nd network card on the m=
otherboard to the desktop.  2) Time My time on the Windows DomU machines se=
ems to be "broken" any fixes ? to make sure time stays current ?  3) Xen ke=
rnel panic (my 1st)  The other one that causes the Xen hypervisor kernel pa=
nic was a windows update (didnot find out which one) broke the SMB file sha=
ring and caused the panic ..  It happend when I rebooted the machine for up=
date it caused a 800B0100 error windows has a fix (that doesnot work for me=
) download a "validation for windows 7 tool" some CBS fix there is a dos  w=
indows 7 fix (also) on the commandline use "SFC /scannnow"  what fixes it. =
however upon reboot --> crash ..  Removing the VT-d stuff and restarting in=
 "console" mode try-ing to fix did not work either.   In conclusion I think=
 the VT-d Passthrough + windows update(s) do not like each other. The deskt=
op DomU is working without SMB filesharing what is not acceptable. However =
it does work with all other `network-internet releated stuff` Somebody got =
some thoughts or Idea's ? I have no clue where to search/find the issue    =
 		 	   		  =

--_e513f0a6-463c-4e03-883a-c5b1d83744a5_
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<head>
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</head>
<body class=3D'hmmessage'><div dir=3D'ltr'>
Hi=2C <BR>&nbsp=3B<BR>&nbsp=3B<BR>I made a xen machine with 2 desktops in p=
assthrough mode <BR>both DomU machines are windows 7 (got more DomU hosted =
with no Vt-D devices attached) <BR>&nbsp=3B<BR>Mind you I am very happy wit=
h how the stuff works it was a Proof Of Concept for me and with minor excep=
tions it works very well. <BR>I am field testing the stuff <BR>- Debian Whe=
ezy/sid (testing) 3.1 kernel <BR>- xen 4.1.1 <BR>ps all windows machines ha=
ve signed GPLPV drivers installed. <BR>&nbsp=3B<BR>&nbsp=3B<BR>1) Here is 1=
 problem (network) <BR>&nbsp=3B<BR>using a normal xen nic in bridge mode <B=
R>When ever I start a webgame (MMORPG) with&nbsp=3Bconnection drops every 3=
0 sec&nbsp=3Band Teamspeak causes the network to die .. I really need to re=
start the Xen hypervisor machine<BR>restarting network inside Domain-0 does=
 not solve the problem (/etc/init.d/networking or /etc/init.d/network-manag=
er) on the DomU the network card disable/enable does not solve it either. <=
BR>tried different routines of starting/stopping etc. <BR>&nbsp=3B<BR>What =
does work oddly enough is browsing the web=2C instant messenger=2C even tra=
nsfering 8gb of data (large and small files) from VT-d USB ---&gt=3B deskto=
p --&gt=3B internal nic ---&gt=3B DomU fileserver. <BR>&nbsp=3B<BR>Not real=
ly nice but work-around that solved it was: <BR>passing through the interna=
l 2nd network card on the motherboard to the desktop. <BR>&nbsp=3B<BR>2) Ti=
me <BR>My time on the Windows DomU machines seems to be "broken" any fixes =
? to make sure time stays current ?<BR>&nbsp=3B<BR>&nbsp=3B<BR>3) Xen kerne=
l panic (my 1st) <BR>&nbsp=3B<BR>The other one that causes the Xen hypervis=
or kernel panic was a windows update (didnot find out which one) <BR>broke =
the SMB file sharing and caused the panic .. <BR>&nbsp=3B<BR>It happend whe=
n I rebooted the machine for update it caused a 800B0100 error <BR>windows =
has a fix (that doesnot work for me) <BR>download a "validation for windows=
 7 tool" some CBS fix <BR>there is a dos&nbsp=3B windows 7 fix (also) on th=
e commandline use "SFC /scannnow"&nbsp=3B what fixes it. however upon reboo=
t --&gt=3B crash .. <BR>&nbsp=3B<BR>Removing the VT-d stuff and restarting =
in "console" mode try-ing to fix did not work either. <BR>&nbsp=3B<BR>&nbsp=
=3B<BR>In conclusion <BR>I think the VT-d Passthrough&nbsp=3B+ windows upda=
te(s) do not like each other. <BR>The desktop DomU is working without SMB f=
ilesharing what is not acceptable. However it does work with all other `net=
work-internet releated stuff`<BR>&nbsp=3B<BR>Somebody got some thoughts or =
Idea's ? I have no clue where to search/find the issue <BR>&nbsp=3B<BR>&nbs=
p=3B<BR>&nbsp=3B<BR> 		 	   		  </div></body>
</html>=

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--===============0588891158097451227==--


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Subject: [Xen-users] VT-d issues (network & kernel panic)
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Hi=2C   I made a xen machine with 2 desktops in passthrough mode both DomU =
machines are windows 7 (got more DomU hosted with no Vt-D devices attached)=
  Mind you I am very happy with how the stuff works it was a Proof Of Conce=
pt for me and with minor exceptions it works very well. I am field testing =
the stuff - Debian Wheezy/sid (testing) 3.1 kernel - xen 4.1.1 ps all windo=
ws machines have signed GPLPV drivers installed.   1) Here is 1 problem (ne=
twork)  using a normal xen nic in bridge mode When ever I start a webgame (=
MMORPG) with connection drops every 30 sec and Teamspeak causes the network=
 to die .. I really need to restart the Xen hypervisor machinerestarting ne=
twork inside Domain-0 does not solve the problem (/etc/init.d/networking or=
 /etc/init.d/network-manager) on the DomU the network card disable/enable d=
oes not solve it either. tried different routines of starting/stopping etc.=
  What does work oddly enough is browsing the web=2C instant messenger=2C e=
ven transfering 8gb of data (large and small files) from VT-d USB ---> desk=
top --> internal nic ---> DomU fileserver.  Not really nice but work-around=
 that solved it was: passing through the internal 2nd network card on the m=
otherboard to the desktop.  2) Time My time on the Windows DomU machines se=
ems to be "broken" any fixes ? to make sure time stays current ?  3) Xen ke=
rnel panic (my 1st)  The other one that causes the Xen hypervisor kernel pa=
nic was a windows update (didnot find out which one) broke the SMB file sha=
ring and caused the panic ..  It happend when I rebooted the machine for up=
date it caused a 800B0100 error windows has a fix (that doesnot work for me=
) download a "validation for windows 7 tool" some CBS fix there is a dos  w=
indows 7 fix (also) on the commandline use "SFC /scannnow"  what fixes it. =
however upon reboot --> crash ..  Removing the VT-d stuff and restarting in=
 "console" mode try-ing to fix did not work either.   In conclusion I think=
 the VT-d Passthrough + windows update(s) do not like each other. The deskt=
op DomU is working without SMB filesharing what is not acceptable. However =
it does work with all other `network-internet releated stuff` Somebody got =
some thoughts or Idea's ? I have no clue where to search/find the issue    =
 		 	   		  =

--_e513f0a6-463c-4e03-883a-c5b1d83744a5_
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<body class=3D'hmmessage'><div dir=3D'ltr'>
Hi=2C <BR>&nbsp=3B<BR>&nbsp=3B<BR>I made a xen machine with 2 desktops in p=
assthrough mode <BR>both DomU machines are windows 7 (got more DomU hosted =
with no Vt-D devices attached) <BR>&nbsp=3B<BR>Mind you I am very happy wit=
h how the stuff works it was a Proof Of Concept for me and with minor excep=
tions it works very well. <BR>I am field testing the stuff <BR>- Debian Whe=
ezy/sid (testing) 3.1 kernel <BR>- xen 4.1.1 <BR>ps all windows machines ha=
ve signed GPLPV drivers installed. <BR>&nbsp=3B<BR>&nbsp=3B<BR>1) Here is 1=
 problem (network) <BR>&nbsp=3B<BR>using a normal xen nic in bridge mode <B=
R>When ever I start a webgame (MMORPG) with&nbsp=3Bconnection drops every 3=
0 sec&nbsp=3Band Teamspeak causes the network to die .. I really need to re=
start the Xen hypervisor machine<BR>restarting network inside Domain-0 does=
 not solve the problem (/etc/init.d/networking or /etc/init.d/network-manag=
er) on the DomU the network card disable/enable does not solve it either. <=
BR>tried different routines of starting/stopping etc. <BR>&nbsp=3B<BR>What =
does work oddly enough is browsing the web=2C instant messenger=2C even tra=
nsfering 8gb of data (large and small files) from VT-d USB ---&gt=3B deskto=
p --&gt=3B internal nic ---&gt=3B DomU fileserver. <BR>&nbsp=3B<BR>Not real=
ly nice but work-around that solved it was: <BR>passing through the interna=
l 2nd network card on the motherboard to the desktop. <BR>&nbsp=3B<BR>2) Ti=
me <BR>My time on the Windows DomU machines seems to be "broken" any fixes =
? to make sure time stays current ?<BR>&nbsp=3B<BR>&nbsp=3B<BR>3) Xen kerne=
l panic (my 1st) <BR>&nbsp=3B<BR>The other one that causes the Xen hypervis=
or kernel panic was a windows update (didnot find out which one) <BR>broke =
the SMB file sharing and caused the panic .. <BR>&nbsp=3B<BR>It happend whe=
n I rebooted the machine for update it caused a 800B0100 error <BR>windows =
has a fix (that doesnot work for me) <BR>download a "validation for windows=
 7 tool" some CBS fix <BR>there is a dos&nbsp=3B windows 7 fix (also) on th=
e commandline use "SFC /scannnow"&nbsp=3B what fixes it. however upon reboo=
t --&gt=3B crash .. <BR>&nbsp=3B<BR>Removing the VT-d stuff and restarting =
in "console" mode try-ing to fix did not work either. <BR>&nbsp=3B<BR>&nbsp=
=3B<BR>In conclusion <BR>I think the VT-d Passthrough&nbsp=3B+ windows upda=
te(s) do not like each other. <BR>The desktop DomU is working without SMB f=
ilesharing what is not acceptable. However it does work with all other `net=
work-internet releated stuff`<BR>&nbsp=3B<BR>Somebody got some thoughts or =
Idea's ? I have no clue where to search/find the issue <BR>&nbsp=3B<BR>&nbs=
p=3B<BR>&nbsp=3B<BR> 		 	   		  </div></body>
</html>=

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--===============0588891158097451227==--


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Hello all,

First, thank you to everyone involved in the Xen project. This project has 
enabled so many other cool and useful projects.

I have some comments on my experience installing > 30 distros as well as
a request for guidance in debugging intermittent compiler failures
for guests OSes running the 2.6.32 kernels.

Some background: I work at Wind River Systems on the Embedded Linux team. Think 
of a commercial Gentoo like embedded Linux system. All of our customers build 
our product from source. Xen helps us do coverage building of our distribution 
(which cross compiles for embedded targets) on all of our supported Linux 
distributions.

The currently supported list includes:
RedHat 4.8 i386
RedHat 5.0 though 5.6, 6.0, 6.1 i386 and x86_64
SLED 10.2 i386, SLED 11.0 i386 and x86_64
OpenSuSE 11.2 i386 and x86_64
Fedora 13 i386 and x86_64
Ubuntu 10.04 i386 and x86_64

I have also done builds on some our "unsupported" Linux distros: Ubuntu 10.10, 
11.04, Fedora 14 and 15, etc.

In total: over 30 Linux variants all running as PV DomU.

The good news is that all run using the Xen Dom0 2.6.32 and 3.1 kernel in Debian 
Squeeze and Wheezy!

Here is a list of things I have noticed along the way that may be of interest to 
other people:

1) Stock RedHat 6.0 kernel (2.6.32-74) deadlocks on heavy IO. Fixed in 
2.6.32-83. Workaround is to disable irqbalance service. 
https://bugzilla.redhat.com/show_bug.cgi?id=550724

2) On Debian Wheezy, the Dom0 kernel does not autoload some of the necessary xen 
modules like xen_gntdev. The solution is to run:
echo "module xen_gntdev" >> /etc/modules
Could these modules be autoloaded if a kernel detects it is running as Dom0?

3) Random errors on 2.6.32 i386 kernels. Building a distro is very CPU and I/O 
intensive. I have noticed some random errors that manifest as "Internal Compiler 
Errors" or mysterious build errors and they cluster on 32 bit 2.6.32 DomU 
kernels (on 2.6.32 and 3.1 Dom0 x86_64 kernels). They are sporadic but I get 5 
to 10 a week. The Fedora 13 VMs (kernel 2.6.35) do not have these errors.

None of our bare-metal builders show these kinds of errors and have I tried 
different hardware and Dom0 kernels. Is this a known issue? Since there is no 
Xen or DomU crash or coredump, what would be the best way I could help a 
developer track this down?

4) All builds on RedHat 5.0 though 5.6 are 10% faster than all other distros: RH 
4.8, 6.x, Fedora, opensuse, etc. I suspect it may be with some RH specific ext3 
patches or xen pv driver optimization. I have a bunch of single VM desktop 
machines using the 2.6.32 Dom0 that consistently produce the this result. Has 
anyone else seen this? Any ideas what could be causing this?

Thanks

-- 
Konrad Scherer, Sr. Engineer, Linux Products Group, Wind River
direct 613-963-1342   fax 613-592-2283

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Hello all,

First, thank you to everyone involved in the Xen project. This project has 
enabled so many other cool and useful projects.

I have some comments on my experience installing > 30 distros as well as
a request for guidance in debugging intermittent compiler failures
for guests OSes running the 2.6.32 kernels.

Some background: I work at Wind River Systems on the Embedded Linux team. Think 
of a commercial Gentoo like embedded Linux system. All of our customers build 
our product from source. Xen helps us do coverage building of our distribution 
(which cross compiles for embedded targets) on all of our supported Linux 
distributions.

The currently supported list includes:
RedHat 4.8 i386
RedHat 5.0 though 5.6, 6.0, 6.1 i386 and x86_64
SLED 10.2 i386, SLED 11.0 i386 and x86_64
OpenSuSE 11.2 i386 and x86_64
Fedora 13 i386 and x86_64
Ubuntu 10.04 i386 and x86_64

I have also done builds on some our "unsupported" Linux distros: Ubuntu 10.10, 
11.04, Fedora 14 and 15, etc.

In total: over 30 Linux variants all running as PV DomU.

The good news is that all run using the Xen Dom0 2.6.32 and 3.1 kernel in Debian 
Squeeze and Wheezy!

Here is a list of things I have noticed along the way that may be of interest to 
other people:

1) Stock RedHat 6.0 kernel (2.6.32-74) deadlocks on heavy IO. Fixed in 
2.6.32-83. Workaround is to disable irqbalance service. 
https://bugzilla.redhat.com/show_bug.cgi?id=550724

2) On Debian Wheezy, the Dom0 kernel does not autoload some of the necessary xen 
modules like xen_gntdev. The solution is to run:
echo "module xen_gntdev" >> /etc/modules
Could these modules be autoloaded if a kernel detects it is running as Dom0?

3) Random errors on 2.6.32 i386 kernels. Building a distro is very CPU and I/O 
intensive. I have noticed some random errors that manifest as "Internal Compiler 
Errors" or mysterious build errors and they cluster on 32 bit 2.6.32 DomU 
kernels (on 2.6.32 and 3.1 Dom0 x86_64 kernels). They are sporadic but I get 5 
to 10 a week. The Fedora 13 VMs (kernel 2.6.35) do not have these errors.

None of our bare-metal builders show these kinds of errors and have I tried 
different hardware and Dom0 kernels. Is this a known issue? Since there is no 
Xen or DomU crash or coredump, what would be the best way I could help a 
developer track this down?

4) All builds on RedHat 5.0 though 5.6 are 10% faster than all other distros: RH 
4.8, 6.x, Fedora, opensuse, etc. I suspect it may be with some RH specific ext3 
patches or xen pv driver optimization. I have a bunch of single VM desktop 
machines using the 2.6.32 Dom0 that consistently produce the this result. Has 
anyone else seen this? Any ideas what could be causing this?

Thanks

-- 
Konrad Scherer, Sr. Engineer, Linux Products Group, Wind River
direct 613-963-1342   fax 613-592-2283

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

From xen-users-bounces@lists.xensource.com Sat Dec 10 00:23:13 2011
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From: Florian Heigl <florian.heigl@gmail.com>
To: jordi@cdmon.com
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] vnc stops working after a while
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Hi Jordi,

2011/12/7 Jordi Moles Blanco <jordi@cdmon.com>:
> Hi everyone,
>
> the issue I'm describing here has to do with para-virtual domUs, although I
> don't know if it also affects full-virtualized machines, I have none to test
> against.

Things you might want to check:

- if the qemu-dm processes are still there
- if your xenconsoled has died a little
- qemu-dm log file in /var/log/xen
- is there any stale or stale network connection to the VNC port for
this VM? The VNC multi use patches are not in at least *most* Xen
versions and that means if you have a VNC session still open somewhere
else, then your connection attempt will simple hang forever.
That sucks sooooo much.

These are the ones where I could pin down some of the issues I saw,
though I never had the one you see. (Wow, I skipped one!)

Otherwise, run lsof on the qemu process in question, check the socket,
and then try using strace on the process while attempting a
connection.

Btw: It would be AWESOME to know how to properly restart a qemu-dm VNC
server without destroying the VM.



-- 
the purpose of libvirt is to provide an abstraction layer hiding all
xen features added since 2006 until they were finally understood and
copied by the kvm devs.

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Subject: Re: [Xen-users] vnc stops working after a while
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Hi Jordi,

2011/12/7 Jordi Moles Blanco <jordi@cdmon.com>:
> Hi everyone,
>
> the issue I'm describing here has to do with para-virtual domUs, although I
> don't know if it also affects full-virtualized machines, I have none to test
> against.

Things you might want to check:

- if the qemu-dm processes are still there
- if your xenconsoled has died a little
- qemu-dm log file in /var/log/xen
- is there any stale or stale network connection to the VNC port for
this VM? The VNC multi use patches are not in at least *most* Xen
versions and that means if you have a VNC session still open somewhere
else, then your connection attempt will simple hang forever.
That sucks sooooo much.

These are the ones where I could pin down some of the issues I saw,
though I never had the one you see. (Wow, I skipped one!)

Otherwise, run lsof on the qemu process in question, check the socket,
and then try using strace on the process while attempting a
connection.

Btw: It would be AWESOME to know how to properly restart a qemu-dm VNC
server without destroying the VM.



-- 
the purpose of libvirt is to provide an abstraction layer hiding all
xen features added since 2006 until they were finally understood and
copied by the kvm devs.

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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On Thu December 8 2011, 1:32:59 PM, jim burns wrote:
> On Thu December 8 2011, 1:30:31 PM, jim burns wrote:
> > I just got thru playing with this - neat!
> 
> And it is a bit slow. 'marble --timedemo' gives 3 fps in Xephyr, and 28 fps
> running natively on my Xephyr client.

Well, I played some more with my hvm installed suse domu, and found out 
something interesting.

I installed xen (and libvirt, etc.) in the hvm domu, created a menu.lst stanza 
for booting into the hvm domu with a hypervisor, setup a bridge, and created a 
cfg file for installing a suse pv guest on a suse dom0. (Yeah, I know - since 
I'm only installing a pv domu, I could have done all this on my bare metal 
suse system, but I've always been intrigued by the possibility of nested 
virtualization. :-) ) I'm stretching thin the amount of memory on my system as 
is, so it was a small domu - just 233MB of memory, but it was enough to bring 
the Yast installer up.

GUESS WHAT? Yast has a mouse in a suse domu under a suse dom0!!! My guess -  
suse up to now has been using the old style architecture xenlinux, and even in 
2.6.37, it looks like xenlinux with some back-ported new features. I think the 
mouse in a suse domu is depending on something in the suse dom0 kernel that 
isn't present in my normal fedora dom0 kernel!

I also found out the syntax for your install= line under suse (and fedora) by 
playing around with suse's vm-install, to create a cfg file. With this line, I 
go straight to the Yast installer, without stopping at the initial blue 
screens to enter my network info:

extra=" install=nfs://192.168.1.100:/home/jimb/Cmpq "

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On Thu December 8 2011, 1:32:59 PM, jim burns wrote:
> On Thu December 8 2011, 1:30:31 PM, jim burns wrote:
> > I just got thru playing with this - neat!
> 
> And it is a bit slow. 'marble --timedemo' gives 3 fps in Xephyr, and 28 fps
> running natively on my Xephyr client.

Well, I played some more with my hvm installed suse domu, and found out 
something interesting.

I installed xen (and libvirt, etc.) in the hvm domu, created a menu.lst stanza 
for booting into the hvm domu with a hypervisor, setup a bridge, and created a 
cfg file for installing a suse pv guest on a suse dom0. (Yeah, I know - since 
I'm only installing a pv domu, I could have done all this on my bare metal 
suse system, but I've always been intrigued by the possibility of nested 
virtualization. :-) ) I'm stretching thin the amount of memory on my system as 
is, so it was a small domu - just 233MB of memory, but it was enough to bring 
the Yast installer up.

GUESS WHAT? Yast has a mouse in a suse domu under a suse dom0!!! My guess -  
suse up to now has been using the old style architecture xenlinux, and even in 
2.6.37, it looks like xenlinux with some back-ported new features. I think the 
mouse in a suse domu is depending on something in the suse dom0 kernel that 
isn't present in my normal fedora dom0 kernel!

I also found out the syntax for your install= line under suse (and fedora) by 
playing around with suse's vm-install, to create a cfg file. With this line, I 
go straight to the Yast installer, without stopping at the initial blue 
screens to enter my network info:

extra=" install=nfs://192.168.1.100:/home/jimb/Cmpq "

_______________________________________________
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http://lists.xensource.com/xen-users

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Subject: Re: [Xen-users] vnc stops working after a while
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+1

I hate how when the vnc connection gets hung for any reason how you lose
vnc access for quite a while and possibly forever

On Fri, Dec 9, 2011 at 7:20 PM, Florian Heigl <florian.heigl@gmail.com>wrote:

> Hi Jordi,
>
> 2011/12/7 Jordi Moles Blanco <jordi@cdmon.com>:
> > Hi everyone,
> >
> > the issue I'm describing here has to do with para-virtual domUs,
> although I
> > don't know if it also affects full-virtualized machines, I have none to
> test
> > against.
>
> Things you might want to check:
>
> - if the qemu-dm processes are still there
> - if your xenconsoled has died a little
> - qemu-dm log file in /var/log/xen
> - is there any stale or stale network connection to the VNC port for
> this VM? The VNC multi use patches are not in at least *most* Xen
> versions and that means if you have a VNC session still open somewhere
> else, then your connection attempt will simple hang forever.
> That sucks sooooo much.
>
> These are the ones where I could pin down some of the issues I saw,
> though I never had the one you see. (Wow, I skipped one!)
>
> Otherwise, run lsof on the qemu process in question, check the socket,
> and then try using strace on the process while attempting a
> connection.
>
> Btw: It would be AWESOME to know how to properly restart a qemu-dm VNC
> server without destroying the VM.
>
>
>
> --
> the purpose of libvirt is to provide an abstraction layer hiding all
> xen features added since 2006 until they were finally understood and
> copied by the kvm devs.
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>

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+1<div><br></div><div>I hate how when the vnc connection gets hung for any =
reason how you lose vnc access for quite a while and possibly forever<br><b=
r><div class=3D"gmail_quote">On Fri, Dec 9, 2011 at 7:20 PM, Florian Heigl =
<span dir=3D"ltr">&lt;<a href=3D"mailto:florian.heigl@gmail.com">florian.he=
igl@gmail.com</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex;">Hi Jordi,<br>
<br>
2011/12/7 Jordi Moles Blanco &lt;<a href=3D"mailto:jordi@cdmon.com">jordi@c=
dmon.com</a>&gt;:<br>
<div class=3D"im">&gt; Hi everyone,<br>
&gt;<br>
&gt; the issue I&#39;m describing here has to do with para-virtual domUs, a=
lthough I<br>
&gt; don&#39;t know if it also affects full-virtualized machines, I have no=
ne to test<br>
&gt; against.<br>
<br>
</div>Things you might want to check:<br>
<br>
- if the qemu-dm processes are still there<br>
- if your xenconsoled has died a little<br>
- qemu-dm log file in /var/log/xen<br>
- is there any stale or stale network connection to the VNC port for<br>
this VM? The VNC multi use patches are not in at least *most* Xen<br>
versions and that means if you have a VNC session still open somewhere<br>
else, then your connection attempt will simple hang forever.<br>
That sucks sooooo much.<br>
<br>
These are the ones where I could pin down some of the issues I saw,<br>
though I never had the one you see. (Wow, I skipped one!)<br>
<br>
Otherwise, run lsof on the qemu process in question, check the socket,<br>
and then try using strace on the process while attempting a<br>
connection.<br>
<br>
Btw: It would be AWESOME to know how to properly restart a qemu-dm VNC<br>
server without destroying the VM.<br>
<font color=3D"#888888"><br>
<br>
<br>
--<br>
the purpose of libvirt is to provide an abstraction layer hiding all<br>
xen features added since 2006 until they were finally understood and<br>
copied by the kvm devs.<br>
</font><div><div></div><div class=3D"h5"><br>
_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.=
com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br>
</div></div></blockquote></div><br></div>

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From: chris <tknchris@gmail.com>
To: Florian Heigl <florian.heigl@gmail.com>
Cc: jordi@cdmon.com, xen-users@lists.xensource.com
Subject: Re: [Xen-users] vnc stops working after a while
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+1

I hate how when the vnc connection gets hung for any reason how you lose
vnc access for quite a while and possibly forever

On Fri, Dec 9, 2011 at 7:20 PM, Florian Heigl <florian.heigl@gmail.com>wrote:

> Hi Jordi,
>
> 2011/12/7 Jordi Moles Blanco <jordi@cdmon.com>:
> > Hi everyone,
> >
> > the issue I'm describing here has to do with para-virtual domUs,
> although I
> > don't know if it also affects full-virtualized machines, I have none to
> test
> > against.
>
> Things you might want to check:
>
> - if the qemu-dm processes are still there
> - if your xenconsoled has died a little
> - qemu-dm log file in /var/log/xen
> - is there any stale or stale network connection to the VNC port for
> this VM? The VNC multi use patches are not in at least *most* Xen
> versions and that means if you have a VNC session still open somewhere
> else, then your connection attempt will simple hang forever.
> That sucks sooooo much.
>
> These are the ones where I could pin down some of the issues I saw,
> though I never had the one you see. (Wow, I skipped one!)
>
> Otherwise, run lsof on the qemu process in question, check the socket,
> and then try using strace on the process while attempting a
> connection.
>
> Btw: It would be AWESOME to know how to properly restart a qemu-dm VNC
> server without destroying the VM.
>
>
>
> --
> the purpose of libvirt is to provide an abstraction layer hiding all
> xen features added since 2006 until they were finally understood and
> copied by the kvm devs.
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>

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+1<div><br></div><div>I hate how when the vnc connection gets hung for any =
reason how you lose vnc access for quite a while and possibly forever<br><b=
r><div class=3D"gmail_quote">On Fri, Dec 9, 2011 at 7:20 PM, Florian Heigl =
<span dir=3D"ltr">&lt;<a href=3D"mailto:florian.heigl@gmail.com">florian.he=
igl@gmail.com</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex;">Hi Jordi,<br>
<br>
2011/12/7 Jordi Moles Blanco &lt;<a href=3D"mailto:jordi@cdmon.com">jordi@c=
dmon.com</a>&gt;:<br>
<div class=3D"im">&gt; Hi everyone,<br>
&gt;<br>
&gt; the issue I&#39;m describing here has to do with para-virtual domUs, a=
lthough I<br>
&gt; don&#39;t know if it also affects full-virtualized machines, I have no=
ne to test<br>
&gt; against.<br>
<br>
</div>Things you might want to check:<br>
<br>
- if the qemu-dm processes are still there<br>
- if your xenconsoled has died a little<br>
- qemu-dm log file in /var/log/xen<br>
- is there any stale or stale network connection to the VNC port for<br>
this VM? The VNC multi use patches are not in at least *most* Xen<br>
versions and that means if you have a VNC session still open somewhere<br>
else, then your connection attempt will simple hang forever.<br>
That sucks sooooo much.<br>
<br>
These are the ones where I could pin down some of the issues I saw,<br>
though I never had the one you see. (Wow, I skipped one!)<br>
<br>
Otherwise, run lsof on the qemu process in question, check the socket,<br>
and then try using strace on the process while attempting a<br>
connection.<br>
<br>
Btw: It would be AWESOME to know how to properly restart a qemu-dm VNC<br>
server without destroying the VM.<br>
<font color=3D"#888888"><br>
<br>
<br>
--<br>
the purpose of libvirt is to provide an abstraction layer hiding all<br>
xen features added since 2006 until they were finally understood and<br>
copied by the kvm devs.<br>
</font><div><div></div><div class=3D"h5"><br>
_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.=
com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br>
</div></div></blockquote></div><br></div>

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<html><body><span style=3D"font-family:Times New Roman; color:#000000; font=
-size:12pt;"><div>&gt; Instead of forsaking the tools i bend them to do wha=
t i want, i have many wrapper scripts that allow me to install any number o=
f operating systems, from debian to redhat, mandriva, gentoo, arch, netbsd,=
 etc all via xen-tools. It's easy once you learn how it all works. <BR>-DDV=
<BR>______________________</div>=0A<div>&nbsp;</div>=0A<div>DDV,</div>=0A<d=
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<html><body><span style=3D"font-family:Times New Roman; color:#000000; font=
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t i want, i have many wrapper scripts that allow me to install any number o=
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From: Johnny Tao <johnnybeijing@gmail.com>
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Subject: [Xen-users] Missing xenbr0 on XEN Dom0 - CentOS 5.7 X64
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Hi, All

Since installed convir-tools edition on my xen dom0 ,
finally I found it missed xenbr0 connection, and domUs are not available
to  connect dom0  iva xenbr0 now.

I would like to get xenbr0 back ,  what I should to do for it please ?

Thanks
Johnny

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Hi, All<br><br>Since installed convir-tools edition on my xen dom0 , <br>fi=
nally I found it missed xenbr0 connection, and domUs are not available to=
=A0 connect dom0=A0 iva xenbr0 now.<br><br>I would like to get xenbr0 back =
,=A0 what I should to do for it please ?<br>
<br>Thanks<br>Johnny<br>

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From: Johnny Tao <johnnybeijing@gmail.com>
To: xen-users@lists.xensource.com
Subject: [Xen-users] Missing xenbr0 on XEN Dom0 - CentOS 5.7 X64
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Hi, All

Since installed convir-tools edition on my xen dom0 ,
finally I found it missed xenbr0 connection, and domUs are not available
to  connect dom0  iva xenbr0 now.

I would like to get xenbr0 back ,  what I should to do for it please ?

Thanks
Johnny

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Hi, All<br><br>Since installed convir-tools edition on my xen dom0 , <br>fi=
nally I found it missed xenbr0 connection, and domUs are not available to=
=A0 connect dom0=A0 iva xenbr0 now.<br><br>I would like to get xenbr0 back =
,=A0 what I should to do for it please ?<br>
<br>Thanks<br>Johnny<br>

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From xen-users-bounces@lists.xensource.com Sat Dec 10 07:00:34 2011
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Subject: [Xen-users] How to enable remus support for jeremy's xen.git
	xen/stable-2.6.32.x
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Hello guys=2C

First of all I need remus support for a Debian 6 system (kernel 2.6.32-5 : =
Xen-4.1.1). Debian-customized kernels don't actually
support remus. There's a patch here: http://bugs.debian.org/cgi-bin/bugrepo=
rt.cgi?bug=3D608988 that suggests adding the support
for upcomming releases of the kernel=2C yet only in the wishlist.

I have downloaded jeremy's xen.git kernel:# git clone git://git.kernel.org/=
pub/scm/linux/kernel/git/jeremy/xen.git linux
Done the checkouts for 2.6.32-5 and everything seems to be perfectly fine. =
Remus does need some kernel configuration options
to be enabled in order to work later on=2C reference here: http://wiki.xen.=
org/xenwiki/Remus.

I can actually enable all of the options except one: CONFIG_NET_SCH_PLUG=3D=
m. There seems to be no such option=2C which is also=20
missing in the Debian kernel and displays the folowing error:

# remus <command stuff>
Traceback (most recent call last):
.......
      raise BufferedNICException('could not load sch_plug_module')
xen.remus.device.BufferedNICException: could not load sch_plug module
#

- Thus my question is: what options do I need to enable first to have NET_S=
CH_PLUG visible? Because that kernel has indeed=20
remus support as far as I know.

Thanks a lot!

Tony.




 		 	   		  =

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<body class=3D'hmmessage'><div dir=3D'ltr'>
Hello guys=2C<br><br>First of all I need remus support for a Debian 6 syste=
m (kernel 2.6.32-5 : Xen-4.1.1). Debian-customized kernels don't actually<b=
r>support remus. There's a patch here: <a href=3D"http://bugs.debian.org/cg=
i-bin/bugreport.cgi?bug=3D608988">http://bugs.debian.org/cgi-bin/bugreport.=
cgi?bug=3D608988</a> that suggests adding the support<br>for upcomming rele=
ases of the kernel=2C yet only in the wishlist.<br><br>I have downloaded je=
remy's xen.git kernel:# git clone git://git.kernel.org/pub/scm/linux/kernel=
/git/jeremy/xen.git linux<br>Done the checkouts for 2.6.32-5 and everything=
 seems to be perfectly fine. Remus does need some kernel configuration opti=
ons<br>to be enabled in order to work later on=2C reference here: <a href=
=3D"http://wiki.xen.org/xenwiki/Remus">http://wiki.xen.org/xenwiki/Remus</a=
>.<br><br>I can actually enable all of the options except one: CONFIG_NET_S=
CH_PLUG=3Dm. There seems to be no such option=2C which is also <br>missing =
in the Debian kernel and displays the folowing error:<br><br># remus &lt=3B=
command stuff&gt=3B<br>Traceback (most recent call last):<br>.......<br>&nb=
sp=3B&nbsp=3B &nbsp=3B&nbsp=3B raise BufferedNICException('could not load s=
ch_plug_module')<br>xen.remus.device.BufferedNICException: could not load s=
ch_plug module<br>#<br><br>- Thus my question is: what options do I need to=
 enable first to have NET_SCH_PLUG visible? Because that kernel has indeed =
<br>remus support as far as I know.<br><br>Thanks a lot!<br><br>Tony.<br><b=
r><style><!--
.hmmessage P
{
margin:0px=3B
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}
body.hmmessage
{
font-size: 10pt=3B
font-family:Tahoma
}
--></style>

<div dir=3D"ltr"></div>
 		 	   		  </div></body>
</html>=

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From xen-users-bounces@lists.xensource.com Sat Dec 10 07:00:34 2011
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Subject: [Xen-users] How to enable remus support for jeremy's xen.git
	xen/stable-2.6.32.x
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Hello guys=2C

First of all I need remus support for a Debian 6 system (kernel 2.6.32-5 : =
Xen-4.1.1). Debian-customized kernels don't actually
support remus. There's a patch here: http://bugs.debian.org/cgi-bin/bugrepo=
rt.cgi?bug=3D608988 that suggests adding the support
for upcomming releases of the kernel=2C yet only in the wishlist.

I have downloaded jeremy's xen.git kernel:# git clone git://git.kernel.org/=
pub/scm/linux/kernel/git/jeremy/xen.git linux
Done the checkouts for 2.6.32-5 and everything seems to be perfectly fine. =
Remus does need some kernel configuration options
to be enabled in order to work later on=2C reference here: http://wiki.xen.=
org/xenwiki/Remus.

I can actually enable all of the options except one: CONFIG_NET_SCH_PLUG=3D=
m. There seems to be no such option=2C which is also=20
missing in the Debian kernel and displays the folowing error:

# remus <command stuff>
Traceback (most recent call last):
.......
      raise BufferedNICException('could not load sch_plug_module')
xen.remus.device.BufferedNICException: could not load sch_plug module
#

- Thus my question is: what options do I need to enable first to have NET_S=
CH_PLUG visible? Because that kernel has indeed=20
remus support as far as I know.

Thanks a lot!

Tony.




 		 	   		  =

--_aaaad05b-b8f0-48b5-a415-081445e73d48_
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<body class=3D'hmmessage'><div dir=3D'ltr'>
Hello guys=2C<br><br>First of all I need remus support for a Debian 6 syste=
m (kernel 2.6.32-5 : Xen-4.1.1). Debian-customized kernels don't actually<b=
r>support remus. There's a patch here: <a href=3D"http://bugs.debian.org/cg=
i-bin/bugreport.cgi?bug=3D608988">http://bugs.debian.org/cgi-bin/bugreport.=
cgi?bug=3D608988</a> that suggests adding the support<br>for upcomming rele=
ases of the kernel=2C yet only in the wishlist.<br><br>I have downloaded je=
remy's xen.git kernel:# git clone git://git.kernel.org/pub/scm/linux/kernel=
/git/jeremy/xen.git linux<br>Done the checkouts for 2.6.32-5 and everything=
 seems to be perfectly fine. Remus does need some kernel configuration opti=
ons<br>to be enabled in order to work later on=2C reference here: <a href=
=3D"http://wiki.xen.org/xenwiki/Remus">http://wiki.xen.org/xenwiki/Remus</a=
>.<br><br>I can actually enable all of the options except one: CONFIG_NET_S=
CH_PLUG=3Dm. There seems to be no such option=2C which is also <br>missing =
in the Debian kernel and displays the folowing error:<br><br># remus &lt=3B=
command stuff&gt=3B<br>Traceback (most recent call last):<br>.......<br>&nb=
sp=3B&nbsp=3B &nbsp=3B&nbsp=3B raise BufferedNICException('could not load s=
ch_plug_module')<br>xen.remus.device.BufferedNICException: could not load s=
ch_plug module<br>#<br><br>- Thus my question is: what options do I need to=
 enable first to have NET_SCH_PLUG visible? Because that kernel has indeed =
<br>remus support as far as I know.<br><br>Thanks a lot!<br><br>Tony.<br><b=
r><style><!--
.hmmessage P
{
margin:0px=3B
padding:0px
}
body.hmmessage
{
font-size: 10pt=3B
font-family:Tahoma
}
--></style>

<div dir=3D"ltr"></div>
 		 	   		  </div></body>
</html>=

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To: Johnny Tao <johnnybeijing@gmail.com>
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] Missing xenbr0 on XEN Dom0 - CentOS 5.7 X64
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On 10 December 2011 06:43, Johnny Tao <johnnybeijing@gmail.com> wrote:
> I would like to get xenbr0 back ,=A0 what I should to do for it please ?
Hello Johnny,

did you try to use the tools provided by the host distribution, to get
the bridge
up, as suggested in the following guide?
http://wiki.xen.org/xenwiki/HostConfiguration/Networking.html
-- =

Flavio

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From: Flavio <fbcyborg@gmail.com>
Date: Sat, 10 Dec 2011 09:46:39 +0100
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On 10 December 2011 06:43, Johnny Tao <johnnybeijing@gmail.com> wrote:
> I would like to get xenbr0 back ,=A0 what I should to do for it please ?
Hello Johnny,

did you try to use the tools provided by the host distribution, to get
the bridge
up, as suggested in the following guide?
http://wiki.xen.org/xenwiki/HostConfiguration/Networking.html
-- =

Flavio

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Xen-users@lists.xensource.com
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From: Flavio <fbcyborg@gmail.com>
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On 10 December 2011 01:52, jim burns <jim_burn@bellsouth.net> wrote:
> I go straight to the Yast installer, without stopping at the initial blue
> screens to enter my network info:
>
> extra=" install=nfs://192.168.1.100:/home/jimb/Cmpq "
Great!
Good to know that.

;-)

-- 
Flavio

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On 10 December 2011 01:52, jim burns <jim_burn@bellsouth.net> wrote:
> I go straight to the Yast installer, without stopping at the initial blue
> screens to enter my network info:
>
> extra=" install=nfs://192.168.1.100:/home/jimb/Cmpq "
Great!
Good to know that.

;-)

-- 
Flavio

_______________________________________________
Xen-users mailing list
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http://lists.xensource.com/xen-users

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Am Samstag, 10. Dezember 2011, 13:43:25 schrieb Johnny Tao:
> Since installed convir-tools edition on my xen dom0 ,
> finally I found it missed xenbr0 connection, and domUs are not available
> to  connect dom0  iva xenbr0 now.
> 
> I would like to get xenbr0 back ,  what I should to do for it please ?

Do you still have a line like:

	(network-script network-bridge)

within your xend-config.sxp?

This is the "classic" way to let xen setup a" xenbr0 bridge and a line like

	(vif-script vif-bridge)

will attach new DomU's to that bridge.

But btw it is usually recommended to set up your bridge with your OS specific 
configuration environment instead of let xen doing this.

hth
cheers,


Niels.
-- 
---
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Am Samstag, 10. Dezember 2011, 13:43:25 schrieb Johnny Tao:
> Since installed convir-tools edition on my xen dom0 ,
> finally I found it missed xenbr0 connection, and domUs are not available
> to  connect dom0  iva xenbr0 now.
> 
> I would like to get xenbr0 back ,  what I should to do for it please ?

Do you still have a line like:

	(network-script network-bridge)

within your xend-config.sxp?

This is the "classic" way to let xen setup a" xenbr0 bridge and a line like

	(vif-script vif-bridge)

will attach new DomU's to that bridge.

But btw it is usually recommended to set up your bridge with your OS specific 
configuration environment instead of let xen doing this.

hth
cheers,


Niels.
-- 
---
Niels Dettenbach
Syndicat IT&Internet
http://www.syndicat.com/
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From xen-users-bounces@lists.xensource.com Sat Dec 10 11:08:12 2011
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Subject: Re: [Xen-users] Missing xenbr0 on XEN Dom0 - CentOS 5.7 X64
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In my experience better to learn and use 
http://wiki.xen.org/xenwiki/HostConfiguration/Networking.html
then to rely on xend-config.sxp. I believe I ran into a situation where 
it just did not work correctly and once
I learned how to do it according to the above guide never looked back. 
Anyone feel free to correct me if
incorrect.

Regards,

 >Do you still have a line like: (network-script network-bridge) within 
your xend-config.sxp? This is the "classic" way to let xen setup a" 
xenbr0 bridge and a line like (vif-script vif-bridge) will attach new 
DomU's to that bridge. But btw it is usually recommended to set up your 
bridge with your OS specific configuration environment instead of let 
xen doing this. hth cheers, Niels.

-- 
----> Randy Katz - *SimplicityHosting.Com, Inc.* - Premium Web Hosting 
Services
?? cPanel Shared, VPS, Dedicated, eCommerce, Affiliates
?? Custom Configurations and Pricing Available to your Need
----> http://www.simplicityhosting.com

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<html>
  <head>
    <meta content="text/html; charset=ISO-8859-1"
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  </head>
  <body bgcolor="#FFFFFF" text="#000000">
    In my experience better to learn and use
    <a class="moz-txt-link-freetext" href="http://wiki.xen.org/xenwiki/HostConfiguration/Networking.html">http://wiki.xen.org/xenwiki/HostConfiguration/Networking.html</a><br>
    then to rely on xend-config.sxp. I believe I ran into a situation
    where it just did not work correctly and once<br>
    I learned how to do it according to the above guide never looked
    back. Anyone feel free to correct me if<br>
    incorrect.<br>
    <br>
    Regards,<br>
    <br>
    &gt;Do you still have a line like: (network-script network-bridge)
    within your xend-config.sxp?
    This is the "classic" way to let xen setup a" xenbr0 bridge and a
    line like (vif-script vif-bridge)
    will attach new DomU's to that bridge.
    But btw it is usually recommended to set up your bridge with your OS
    specific configuration environment instead of let xen doing this.
    hth
    cheers,
    Niels.<br>
    <br>
    <div class="moz-signature">-- <br>
      ----&gt; Randy Katz - <b>SimplicityHosting.Com, Inc.</b> -
      Premium Web Hosting Services<br>
      <font color="YellowGreen">&#9608;</font><font color="White">&#9608;</font>
      cPanel Shared, VPS, Dedicated, eCommerce, Affiliates<br>
      <font color="White">&#9608;</font><font color="RoyalBlue">&#9608;</font>
      Custom Configurations and Pricing Available to your Need<br>
      ----&gt; <a href="http://www.simplicityhosting.com"
        target="_blank">http://www.simplicityhosting.com</a></div>
  </body>
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Subject: Re: [Xen-users] Missing xenbr0 on XEN Dom0 - CentOS 5.7 X64
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In my experience better to learn and use 
http://wiki.xen.org/xenwiki/HostConfiguration/Networking.html
then to rely on xend-config.sxp. I believe I ran into a situation where 
it just did not work correctly and once
I learned how to do it according to the above guide never looked back. 
Anyone feel free to correct me if
incorrect.

Regards,

 >Do you still have a line like: (network-script network-bridge) within 
your xend-config.sxp? This is the "classic" way to let xen setup a" 
xenbr0 bridge and a line like (vif-script vif-bridge) will attach new 
DomU's to that bridge. But btw it is usually recommended to set up your 
bridge with your OS specific configuration environment instead of let 
xen doing this. hth cheers, Niels.

-- 
----> Randy Katz - *SimplicityHosting.Com, Inc.* - Premium Web Hosting 
Services
?? cPanel Shared, VPS, Dedicated, eCommerce, Affiliates
?? Custom Configurations and Pricing Available to your Need
----> http://www.simplicityhosting.com

--------------060205040305060400060801
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit

<html>
  <head>
    <meta content="text/html; charset=ISO-8859-1"
      http-equiv="Content-Type">
  </head>
  <body bgcolor="#FFFFFF" text="#000000">
    In my experience better to learn and use
    <a class="moz-txt-link-freetext" href="http://wiki.xen.org/xenwiki/HostConfiguration/Networking.html">http://wiki.xen.org/xenwiki/HostConfiguration/Networking.html</a><br>
    then to rely on xend-config.sxp. I believe I ran into a situation
    where it just did not work correctly and once<br>
    I learned how to do it according to the above guide never looked
    back. Anyone feel free to correct me if<br>
    incorrect.<br>
    <br>
    Regards,<br>
    <br>
    &gt;Do you still have a line like: (network-script network-bridge)
    within your xend-config.sxp?
    This is the "classic" way to let xen setup a" xenbr0 bridge and a
    line like (vif-script vif-bridge)
    will attach new DomU's to that bridge.
    But btw it is usually recommended to set up your bridge with your OS
    specific configuration environment instead of let xen doing this.
    hth
    cheers,
    Niels.<br>
    <br>
    <div class="moz-signature">-- <br>
      ----&gt; Randy Katz - <b>SimplicityHosting.Com, Inc.</b> -
      Premium Web Hosting Services<br>
      <font color="YellowGreen">&#9608;</font><font color="White">&#9608;</font>
      cPanel Shared, VPS, Dedicated, eCommerce, Affiliates<br>
      <font color="White">&#9608;</font><font color="RoyalBlue">&#9608;</font>
      Custom Configurations and Pricing Available to your Need<br>
      ----&gt; <a href="http://www.simplicityhosting.com"
        target="_blank">http://www.simplicityhosting.com</a></div>
  </body>
</html>

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On Fri, Dec 9, 2011 at 8:16 PM, <ray@aarden.us> wrote:

> > Instead of forsaking the tools i bend them to do what i want, i have
> many wrapper scripts that allow me to install any number of operating
> systems, from debian to redhat, mandriva, gentoo, arch, netbsd, etc all via
> xen-tools. It's easy once you learn how it all works.
> -DDV
> ______________________
>
> DDV,
> "once you learn how it all works."
> Please suggest an efficient method to learn the works.
>
> ray
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users


Ray,
"Please suggest an efficient method to learn the works."

If i had that i'd own the universe. The only way i know how to do it is
trial and error and a crap-ton of investigation and digging. Xen is cool
but it's rapid development cycle leaves a path of destruction behind it.
Often seemingly "new" documents will contain far outdated practices and
command lines, at this point it would be wasteful to create documentation
around my use-case as it would all be somewhat useless in a matter of
months, however ask specific questions and i'll give you specific answers
:) Right now, xen administration feels more like an art than a science.

In case you haven't taken a look at it yet, much of my beginner knowledge
of how xen works at all came from "The Book of Xen", i suggest you pick it
up. It deals with xen circa 3.1 which for most of us is considered the
ancient egypt of the xen world but it will still give you some great
perspective on the inner workings of xen which haven't changed much
fundamentally since the beginning; what changes is the way you interact
with the hypervisor. Many of my scripts and methodologies for managing
resources (network, cpu, etc) came from that book; for me it was a boon
since it was written from a perspective of a VPS hosting company which is
what i run so i got quite a bit of use out of it.

Hope that helps,

-DDV

--000e0cd5146add519904b3bdc2cb
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<div>On Fri, Dec 9, 2011 at 8:16 PM,  <span dir=3D"ltr">&lt;<a href=3D"mail=
to:ray@aarden.us">ray@aarden.us</a>&gt;</span> wrote:</div><div><div><div><=
div class=3D"gmail_quote"><blockquote class=3D"gmail_quote" style=3D"margin=
:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

<div><span style=3D"font-family:Times New Roman;color:#000000;font-size:12p=
t"><div>&gt; Instead of forsaking the tools i bend them to do what i want, =
i have many wrapper scripts that allow me to install any number of operatin=
g systems, from debian to redhat, mandriva, gentoo, arch, netbsd, etc all v=
ia xen-tools. It&#39;s easy once you learn how it all works. <br>

-DDV<br>______________________</div>
<div>=A0</div>
<div>DDV,</div>
<div>&quot;once you learn how it all works.&quot;</div>
<div>Please suggest an efficient method to learn the works.</div>
<div>=A0</div>
<div>ray<br></div></span></div>

<br>_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.=
com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a></blockquote><div>=A0</div></div><div>Ray,<=
/div><div>&quot;<span style=3D"font-family:&#39;Times New Roman&#39;;font-s=
ize:16px">Please suggest an efficient method to learn the works.&quot;</spa=
n></div>

<div><span style=3D"font-family:&#39;Times New Roman&#39;;font-size:16px"><=
br></span></div>If i had that i&#39;d own the universe. The only way i know=
 how to do it is trial and error and a crap-ton of investigation and diggin=
g. Xen is cool but it&#39;s rapid development cycle leaves a path of destru=
ction behind it. Often seemingly &quot;new&quot; documents will contain far=
 outdated practices and command lines, at this point it would be wasteful t=
o create documentation around my use-case as it would all be somewhat usele=
ss in a matter of months, however ask specific questions and i&#39;ll give =
you specific answers :) Right now, xen administration feels more like an ar=
t than a science.=A0<div>

<br></div><div>In case you haven&#39;t taken a look at it yet, much of my b=
eginner knowledge of how xen works at all came from &quot;The Book of Xen&q=
uot;, i suggest you pick it up. It deals with xen circa 3.1 which for most =
of us is considered the ancient egypt of the xen world but it will still gi=
ve you some great perspective on the inner workings of xen which haven&#39;=
t changed much fundamentally since the beginning; what changes is the way y=
ou interact with the hypervisor. Many of my scripts and methodologies for m=
anaging resources (network, cpu, etc) came from that book; for me it was a =
boon since it was written from a perspective of a VPS hosting company which=
 is what i run so i got quite a bit of use out of it.=A0</div>

<div><br></div><div>Hope that helps,<br><div><br></div><div>-DDV</div></div=
></div></div></div>

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On Fri, Dec 9, 2011 at 8:16 PM, <ray@aarden.us> wrote:

> > Instead of forsaking the tools i bend them to do what i want, i have
> many wrapper scripts that allow me to install any number of operating
> systems, from debian to redhat, mandriva, gentoo, arch, netbsd, etc all via
> xen-tools. It's easy once you learn how it all works.
> -DDV
> ______________________
>
> DDV,
> "once you learn how it all works."
> Please suggest an efficient method to learn the works.
>
> ray
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users


Ray,
"Please suggest an efficient method to learn the works."

If i had that i'd own the universe. The only way i know how to do it is
trial and error and a crap-ton of investigation and digging. Xen is cool
but it's rapid development cycle leaves a path of destruction behind it.
Often seemingly "new" documents will contain far outdated practices and
command lines, at this point it would be wasteful to create documentation
around my use-case as it would all be somewhat useless in a matter of
months, however ask specific questions and i'll give you specific answers
:) Right now, xen administration feels more like an art than a science.

In case you haven't taken a look at it yet, much of my beginner knowledge
of how xen works at all came from "The Book of Xen", i suggest you pick it
up. It deals with xen circa 3.1 which for most of us is considered the
ancient egypt of the xen world but it will still give you some great
perspective on the inner workings of xen which haven't changed much
fundamentally since the beginning; what changes is the way you interact
with the hypervisor. Many of my scripts and methodologies for managing
resources (network, cpu, etc) came from that book; for me it was a boon
since it was written from a perspective of a VPS hosting company which is
what i run so i got quite a bit of use out of it.

Hope that helps,

-DDV

--000e0cd5146add519904b3bdc2cb
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<div>On Fri, Dec 9, 2011 at 8:16 PM,  <span dir=3D"ltr">&lt;<a href=3D"mail=
to:ray@aarden.us">ray@aarden.us</a>&gt;</span> wrote:</div><div><div><div><=
div class=3D"gmail_quote"><blockquote class=3D"gmail_quote" style=3D"margin=
:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

<div><span style=3D"font-family:Times New Roman;color:#000000;font-size:12p=
t"><div>&gt; Instead of forsaking the tools i bend them to do what i want, =
i have many wrapper scripts that allow me to install any number of operatin=
g systems, from debian to redhat, mandriva, gentoo, arch, netbsd, etc all v=
ia xen-tools. It&#39;s easy once you learn how it all works. <br>

-DDV<br>______________________</div>
<div>=A0</div>
<div>DDV,</div>
<div>&quot;once you learn how it all works.&quot;</div>
<div>Please suggest an efficient method to learn the works.</div>
<div>=A0</div>
<div>ray<br></div></span></div>

<br>_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.=
com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a></blockquote><div>=A0</div></div><div>Ray,<=
/div><div>&quot;<span style=3D"font-family:&#39;Times New Roman&#39;;font-s=
ize:16px">Please suggest an efficient method to learn the works.&quot;</spa=
n></div>

<div><span style=3D"font-family:&#39;Times New Roman&#39;;font-size:16px"><=
br></span></div>If i had that i&#39;d own the universe. The only way i know=
 how to do it is trial and error and a crap-ton of investigation and diggin=
g. Xen is cool but it&#39;s rapid development cycle leaves a path of destru=
ction behind it. Often seemingly &quot;new&quot; documents will contain far=
 outdated practices and command lines, at this point it would be wasteful t=
o create documentation around my use-case as it would all be somewhat usele=
ss in a matter of months, however ask specific questions and i&#39;ll give =
you specific answers :) Right now, xen administration feels more like an ar=
t than a science.=A0<div>

<br></div><div>In case you haven&#39;t taken a look at it yet, much of my b=
eginner knowledge of how xen works at all came from &quot;The Book of Xen&q=
uot;, i suggest you pick it up. It deals with xen circa 3.1 which for most =
of us is considered the ancient egypt of the xen world but it will still gi=
ve you some great perspective on the inner workings of xen which haven&#39;=
t changed much fundamentally since the beginning; what changes is the way y=
ou interact with the hypervisor. Many of my scripts and methodologies for m=
anaging resources (network, cpu, etc) came from that book; for me it was a =
boon since it was written from a perspective of a VPS hosting company which=
 is what i run so i got quite a bit of use out of it.=A0</div>

<div><br></div><div>Hope that helps,<br><div><br></div><div>-DDV</div></div=
></div></div></div>

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Subject: Re: [Xen-users] Missing xenbr0 on XEN Dom0 - CentOS 5.7 X64
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ps - I just upgraded one machine from xen 3 to xen 4 and even though the 
lines were correct in xend-confi
there was no network. So I commented them out, created ifcfg-xenbr0 and 
made ifcfg-eth0 into a bridge
to xenbr0, rebooted, and network bridge to xen vm's is now working again.

On 12/10/2011 3:06 AM, Randy Katz wrote:
> In my experience better to learn and use 
> http://wiki.xen.org/xenwiki/HostConfiguration/Networking.html
> then to rely on xend-config.sxp. I believe I ran into a situation 
> where it just did not work correctly and once
> I learned how to do it according to the above guide never looked back. 
> Anyone feel free to correct me if
> incorrect.
>
> Regards,
>
> >Do you still have a line like: (network-script network-bridge) within 
> your xend-config.sxp? This is the "classic" way to let xen setup a" 
> xenbr0 bridge and a line like (vif-script vif-bridge) will attach new 
> DomU's to that bridge. But btw it is usually recommended to set up 
> your bridge with your OS specific configuration environment instead of 
> let xen doing this. hth cheers, Niels.
>
> -- 
> ----> Randy Katz - *SimplicityHosting.Com, Inc.* - Premium Web Hosting 
> Services
> ?? cPanel Shared, VPS, Dedicated, eCommerce, Affiliates
> ?? Custom Configurations and Pricing Available to your Need
> ----> http://www.simplicityhosting.com
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users


-- 
----> Randy Katz - *SimplicityHosting.Com, Inc.* - Premium Web Hosting 
Services
?? cPanel Shared, VPS, Dedicated, eCommerce, Affiliates
?? Custom Configurations and Pricing Available to your Need
----> http://www.simplicityhosting.com

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<html>
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  <body bgcolor="#FFFFFF" text="#000000">
    ps - I just upgraded one machine from xen 3 to xen 4 and even though
    the lines were correct in xend-confi<br>
    there was no network. So I commented them out, created ifcfg-xenbr0
    and made ifcfg-eth0 into a bridge<br>
    to xenbr0, rebooted, and network bridge to xen vm's is now working
    again.<br>
    <br>
    On 12/10/2011 3:06 AM, Randy Katz wrote:
    <blockquote cite="mid:4EE33D1A.5060100@simplicityhosting.com"
      type="cite">
      <meta content="text/html; charset=ISO-8859-1"
        http-equiv="Content-Type">
      In my experience better to learn and use <a
        moz-do-not-send="true" class="moz-txt-link-freetext"
        href="http://wiki.xen.org/xenwiki/HostConfiguration/Networking.html">http://wiki.xen.org/xenwiki/HostConfiguration/Networking.html</a><br>
      then to rely on xend-config.sxp. I believe I ran into a situation
      where it just did not work correctly and once<br>
      I learned how to do it according to the above guide never looked
      back. Anyone feel free to correct me if<br>
      incorrect.<br>
      <br>
      Regards,<br>
      <br>
      &gt;Do you still have a line like: (network-script network-bridge)
      within your xend-config.sxp? This is the "classic" way to let xen
      setup a" xenbr0 bridge and a line like (vif-script vif-bridge)
      will attach new DomU's to that bridge. But btw it is usually
      recommended to set up your bridge with your OS specific
      configuration environment instead of let xen doing this. hth
      cheers, Niels.<br>
      <br>
      <div class="moz-signature">-- <br>
        ----&gt; Randy Katz - <b>SimplicityHosting.Com, Inc.</b> -
        Premium Web Hosting Services<br>
        <font color="YellowGreen">&#9608;</font><font color="White">&#9608;</font>
        cPanel Shared, VPS, Dedicated, eCommerce, Affiliates<br>
        <font color="White">&#9608;</font><font color="RoyalBlue">&#9608;</font>
        Custom Configurations and Pricing Available to your Need<br>
        ----&gt; <a moz-do-not-send="true"
          href="http://www.simplicityhosting.com" target="_blank">http://www.simplicityhosting.com</a></div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
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Subject: Re: [Xen-users] Missing xenbr0 on XEN Dom0 - CentOS 5.7 X64
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ps - I just upgraded one machine from xen 3 to xen 4 and even though the 
lines were correct in xend-confi
there was no network. So I commented them out, created ifcfg-xenbr0 and 
made ifcfg-eth0 into a bridge
to xenbr0, rebooted, and network bridge to xen vm's is now working again.

On 12/10/2011 3:06 AM, Randy Katz wrote:
> In my experience better to learn and use 
> http://wiki.xen.org/xenwiki/HostConfiguration/Networking.html
> then to rely on xend-config.sxp. I believe I ran into a situation 
> where it just did not work correctly and once
> I learned how to do it according to the above guide never looked back. 
> Anyone feel free to correct me if
> incorrect.
>
> Regards,
>
> >Do you still have a line like: (network-script network-bridge) within 
> your xend-config.sxp? This is the "classic" way to let xen setup a" 
> xenbr0 bridge and a line like (vif-script vif-bridge) will attach new 
> DomU's to that bridge. But btw it is usually recommended to set up 
> your bridge with your OS specific configuration environment instead of 
> let xen doing this. hth cheers, Niels.
>
> -- 
> ----> Randy Katz - *SimplicityHosting.Com, Inc.* - Premium Web Hosting 
> Services
> ?? cPanel Shared, VPS, Dedicated, eCommerce, Affiliates
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>
>
> _______________________________________________
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    ps - I just upgraded one machine from xen 3 to xen 4 and even though
    the lines were correct in xend-confi<br>
    there was no network. So I commented them out, created ifcfg-xenbr0
    and made ifcfg-eth0 into a bridge<br>
    to xenbr0, rebooted, and network bridge to xen vm's is now working
    again.<br>
    <br>
    On 12/10/2011 3:06 AM, Randy Katz wrote:
    <blockquote cite="mid:4EE33D1A.5060100@simplicityhosting.com"
      type="cite">
      <meta content="text/html; charset=ISO-8859-1"
        http-equiv="Content-Type">
      In my experience better to learn and use <a
        moz-do-not-send="true" class="moz-txt-link-freetext"
        href="http://wiki.xen.org/xenwiki/HostConfiguration/Networking.html">http://wiki.xen.org/xenwiki/HostConfiguration/Networking.html</a><br>
      then to rely on xend-config.sxp. I believe I ran into a situation
      where it just did not work correctly and once<br>
      I learned how to do it according to the above guide never looked
      back. Anyone feel free to correct me if<br>
      incorrect.<br>
      <br>
      Regards,<br>
      <br>
      &gt;Do you still have a line like: (network-script network-bridge)
      within your xend-config.sxp? This is the "classic" way to let xen
      setup a" xenbr0 bridge and a line like (vif-script vif-bridge)
      will attach new DomU's to that bridge. But btw it is usually
      recommended to set up your bridge with your OS specific
      configuration environment instead of let xen doing this. hth
      cheers, Niels.<br>
      <br>
      <div class="moz-signature">-- <br>
        ----&gt; Randy Katz - <b>SimplicityHosting.Com, Inc.</b> -
        Premium Web Hosting Services<br>
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      <br>
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    <br>
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Subject: Re: [Xen-users] vnc stops working after a while
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2011/12/10 chris <tknchris@gmail.com>:
> +1
>
> I hate how when the vnc connection gets hung for any reason how you lose vnc
> access for quite a while and possibly forever

So that makes 3 of us now for being able to restart vnc server :)
would be cool if there still were a Xen wishlist.

Anyway, next time when that happens do a
netstat -na | grep 59 | grep _WAIT

I think you'll find a stuck connection there. Please let us know.

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2011/12/10 chris <tknchris@gmail.com>:
> +1
>
> I hate how when the vnc connection gets hung for any reason how you lose vnc
> access for quite a while and possibly forever

So that makes 3 of us now for being able to restart vnc server :)
would be cool if there still were a Xen wishlist.

Anyway, next time when that happens do a
netstat -na | grep 59 | grep _WAIT

I think you'll find a stuck connection there. Please let us know.

_______________________________________________
Xen-users mailing list
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http://lists.xensource.com/xen-users

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Date: Sat, 10 Dec 2011 19:35:55 +0100
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2011/12/7 Ian Tobin <itobin@tidyhosts.com>:
> The memory is all screwed up even on kernel 3.1 and still isn't fixed!

That sucks.
I think it depends on the distro, though.
I tried on Ubuntu 11.10 and it was a total fail.
Starting a 40GB domU took like 10 minutes because of ballooning.
Doing something like xl mem-set Domain-0 16384 ended in the OOM killer
destroying the system.

Whereas on Alpine Linux dom0_mem seemed to work.
But I haven't yet managed to do something as bring up a CentOS5 domU
with networking there. But hey... at some point it might be possible
to actually run a server on something higher than 4.0.2. :)

Flo

-- 
the purpose of libvirt is to provide an abstraction layer hiding all
xen features added since 2006 until they were finally understood and
copied by the kvm devs.

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2011/12/7 Ian Tobin <itobin@tidyhosts.com>:
> The memory is all screwed up even on kernel 3.1 and still isn't fixed!

That sucks.
I think it depends on the distro, though.
I tried on Ubuntu 11.10 and it was a total fail.
Starting a 40GB domU took like 10 minutes because of ballooning.
Doing something like xl mem-set Domain-0 16384 ended in the OOM killer
destroying the system.

Whereas on Alpine Linux dom0_mem seemed to work.
But I haven't yet managed to do something as bring up a CentOS5 domU
with networking there. But hey... at some point it might be possible
to actually run a server on something higher than 4.0.2. :)

Flo

-- 
the purpose of libvirt is to provide an abstraction layer hiding all
xen features added since 2006 until they were finally understood and
copied by the kvm devs.

_______________________________________________
Xen-users mailing list
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http://lists.xensource.com/xen-users

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Subject: Re: [Xen-users] Ubuntu 11.04 shutdown Problem
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2011/12/5 vipul borikar <vipulcell@gmail.com>:
>
> I am using old Xen Rpms which comes with RHEL 5.5 .
> xen-3.0.3-105.el5.
>
> I am running Ubuntu 11.04 Full Virt on this. But after a gap of 2 or 3 days
> this VM gets shutdown automatically.
> I have checked the logs there is nothing suspicious.. What can be reason for
> it..??

There have been many Xen bugfixes in RHEL5.7. If you don't have strong
reason against it, you should update.
Is anything in xm dmesg?

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2011/12/5 vipul borikar <vipulcell@gmail.com>:
>
> I am using old Xen Rpms which comes with RHEL 5.5 .
> xen-3.0.3-105.el5.
>
> I am running Ubuntu 11.04 Full Virt on this. But after a gap of 2 or 3 days
> this VM gets shutdown automatically.
> I have checked the logs there is nothing suspicious.. What can be reason for
> it..??

There have been many Xen bugfixes in RHEL5.7. If you don't have strong
reason against it, you should update.
Is anything in xm dmesg?

_______________________________________________
Xen-users mailing list
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http://lists.xensource.com/xen-users

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I recommended xen to a friend a while ago who was coming from vmware, he
installs it and then plays with it and then the vnc gets hung exactly as
we're describing and hes like well what do I do now and I'm like you gotta
kill it. He says are you kidding me? It always been one of those things
I've wondered how so many people have put up with it for so long :)

On Sat, Dec 10, 2011 at 1:29 PM, Florian Heigl <florian.heigl@gmail.com>wrote:

> 2011/12/10 chris <tknchris@gmail.com>:
> > +1
> >
> > I hate how when the vnc connection gets hung for any reason how you lose
> vnc
> > access for quite a while and possibly forever
>
> So that makes 3 of us now for being able to restart vnc server :)
> would be cool if there still were a Xen wishlist.
>
> Anyway, next time when that happens do a
> netstat -na | grep 59 | grep _WAIT
>
> I think you'll find a stuck connection there. Please let us know.
>

--14dae9340797a5cb7404b3c1e975
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I recommended xen to a friend a while ago who was coming from vmware, he in=
stalls it and then plays with it and then the vnc gets hung exactly as we&#=
39;re describing and hes like well what do I do now and I&#39;m like you go=
tta kill it. He says are you kidding me? It always been one of those things=
 I&#39;ve wondered how so many people have put up with it for so long :)<br=
>
<br><div class=3D"gmail_quote">On Sat, Dec 10, 2011 at 1:29 PM, Florian Hei=
gl <span dir=3D"ltr">&lt;<a href=3D"mailto:florian.heigl@gmail.com">florian=
.heigl@gmail.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote"=
 style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
2011/12/10 chris &lt;<a href=3D"mailto:tknchris@gmail.com">tknchris@gmail.c=
om</a>&gt;:<br>
<div class=3D"im">&gt; +1<br>
&gt;<br>
&gt; I hate how when the vnc connection gets hung for any reason how you lo=
se vnc<br>
&gt; access for quite a while and possibly forever<br>
<br>
</div>So that makes 3 of us now for being able to restart vnc server :)<br>
would be cool if there still were a Xen wishlist.<br>
<br>
Anyway, next time when that happens do a<br>
netstat -na | grep 59 | grep _WAIT<br>
<br>
I think you&#39;ll find a stuck connection there. Please let us know.<br>
</blockquote></div><br>

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_______________________________________________
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	<CAFivhPmbYntW63jvVGDeXsx7i0aP0NQ6XCeSO2+ychnMs4+=EA@mail.gmail.com>
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From: chris <tknchris@gmail.com>
To: Florian Heigl <florian.heigl@gmail.com>
Cc: jordi@cdmon.com, xen-users@lists.xensource.com
Subject: Re: [Xen-users] vnc stops working after a while
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I recommended xen to a friend a while ago who was coming from vmware, he
installs it and then plays with it and then the vnc gets hung exactly as
we're describing and hes like well what do I do now and I'm like you gotta
kill it. He says are you kidding me? It always been one of those things
I've wondered how so many people have put up with it for so long :)

On Sat, Dec 10, 2011 at 1:29 PM, Florian Heigl <florian.heigl@gmail.com>wrote:

> 2011/12/10 chris <tknchris@gmail.com>:
> > +1
> >
> > I hate how when the vnc connection gets hung for any reason how you lose
> vnc
> > access for quite a while and possibly forever
>
> So that makes 3 of us now for being able to restart vnc server :)
> would be cool if there still were a Xen wishlist.
>
> Anyway, next time when that happens do a
> netstat -na | grep 59 | grep _WAIT
>
> I think you'll find a stuck connection there. Please let us know.
>

--14dae9340797a5cb7404b3c1e975
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I recommended xen to a friend a while ago who was coming from vmware, he in=
stalls it and then plays with it and then the vnc gets hung exactly as we&#=
39;re describing and hes like well what do I do now and I&#39;m like you go=
tta kill it. He says are you kidding me? It always been one of those things=
 I&#39;ve wondered how so many people have put up with it for so long :)<br=
>
<br><div class=3D"gmail_quote">On Sat, Dec 10, 2011 at 1:29 PM, Florian Hei=
gl <span dir=3D"ltr">&lt;<a href=3D"mailto:florian.heigl@gmail.com">florian=
.heigl@gmail.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote"=
 style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
2011/12/10 chris &lt;<a href=3D"mailto:tknchris@gmail.com">tknchris@gmail.c=
om</a>&gt;:<br>
<div class=3D"im">&gt; +1<br>
&gt;<br>
&gt; I hate how when the vnc connection gets hung for any reason how you lo=
se vnc<br>
&gt; access for quite a while and possibly forever<br>
<br>
</div>So that makes 3 of us now for being able to restart vnc server :)<br>
would be cool if there still were a Xen wishlist.<br>
<br>
Anyway, next time when that happens do a<br>
netstat -na | grep 59 | grep _WAIT<br>
<br>
I think you&#39;ll find a stuck connection there. Please let us know.<br>
</blockquote></div><br>

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_______________________________________________
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To: xen-users@lists.xensource.com
Subject: Re: [Xen-users] xen the i / O performance,
 network performance is only 20-30% of the real machine?
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Thank you for the tolerance of the novice, I will be working to re-deploy and
test!
^^

2011/12/10 Florian Heigl <florian.heigl@gmail.com>

> Install PV disk / network drivers in the VM.
>
> Without these, it will be slow. Stop testing until you have the drivers
> right.
>
> VMWare is optmized for running reasonably fast with either fake LSI /
> Intel drivers, or a little faster with their PV drivers.
>
> Xen is optimized to be *extremely fast* in a good configuration.
>
> Greetings,
> Flo
>

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<span style=3D"color:rgb(51,51,51);font-family:arial,sans-serif;font-size:1=
6px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing=
:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text-tra=
nsform:none;white-space:normal;word-spacing:0px;background-color:rgb(245,24=
5,245)">Thank you for</span><span style=3D"color:rgb(51,51,51);font-family:=
arial,sans-serif;font-size:16px;font-style:normal;font-variant:normal;font-=
weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-a=
uto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px=
;background-color:rgb(245,245,245);display:inline!important;float:none">=A0=
</span><span style=3D"color:rgb(51,51,51);font-family:arial,sans-serif;font=
-size:16px;font-style:normal;font-variant:normal;font-weight:normal;letter-=
spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;t=
ext-transform:none;white-space:normal;word-spacing:0px;background-color:rgb=
(245,245,245)">the</span><span style=3D"color:rgb(51,51,51);font-family:ari=
al,sans-serif;font-size:16px;font-style:normal;font-variant:normal;font-wei=
ght:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto=
;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;ba=
ckground-color:rgb(245,245,245);display:inline!important;float:none">=A0</s=
pan><span style=3D"color:rgb(51,51,51);font-family:arial,sans-serif;font-si=
ze:16px;font-style:normal;font-variant:normal;font-weight:normal;letter-spa=
cing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text=
-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(24=
5,245,245)">tolerance</span><span style=3D"color:rgb(51,51,51);font-family:=
arial,sans-serif;font-size:16px;font-style:normal;font-variant:normal;font-=
weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-a=
uto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px=
;background-color:rgb(245,245,245);display:inline!important;float:none">=A0=
</span><span style=3D"color:rgb(51,51,51);font-family:arial,sans-serif;font=
-size:16px;font-style:normal;font-variant:normal;font-weight:normal;letter-=
spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;t=
ext-transform:none;white-space:normal;word-spacing:0px;background-color:rgb=
(245,245,245)">of the</span><span style=3D"color:rgb(51,51,51);font-family:=
arial,sans-serif;font-size:16px;font-style:normal;font-variant:normal;font-=
weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-a=
uto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px=
;background-color:rgb(245,245,245);display:inline!important;float:none">=A0=
</span><span style=3D"color:rgb(51,51,51);font-family:arial,sans-serif;font=
-size:16px;font-style:normal;font-variant:normal;font-weight:normal;letter-=
spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;t=
ext-transform:none;white-space:normal;word-spacing:0px;background-color:rgb=
(245,245,245)">novice</span><span style=3D"color:rgb(51,51,51);font-family:=
arial,sans-serif;font-size:16px;font-style:normal;font-variant:normal;font-=
weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-a=
uto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px=
;background-color:rgb(245,245,245)">,</span><span style=3D"color:rgb(51,51,=
51);font-family:arial,sans-serif;font-size:16px;font-style:normal;font-vari=
ant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text=
-align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;=
word-spacing:0px;background-color:rgb(245,245,245);display:inline!important=
;float:none">=A0</span><span style=3D"color:rgb(51,51,51);font-family:arial=
,sans-serif;font-size:16px;font-style:normal;font-variant:normal;font-weigh=
t:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;t=
ext-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;back=
ground-color:rgb(245,245,245)">I</span><span style=3D"color:rgb(51,51,51);f=
ont-family:arial,sans-serif;font-size:16px;font-style:normal;font-variant:n=
ormal;font-weight:normal;letter-spacing:normal;line-height:normal;text-alig=
n:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word-=
spacing:0px;background-color:rgb(245,245,245);display:inline!important;floa=
t:none">=A0</span><span style=3D"color:rgb(51,51,51);font-family:arial,sans=
-serif;font-size:16px;font-style:normal;font-variant:normal;font-weight:nor=
mal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-i=
ndent:0px;text-transform:none;white-space:normal;word-spacing:0px;backgroun=
d-color:rgb(245,245,245)">will be</span><span style=3D"color:rgb(51,51,51);=
font-family:arial,sans-serif;font-size:16px;font-style:normal;font-variant:=
normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-ali=
gn:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word=
-spacing:0px;background-color:rgb(245,245,245);display:inline!important;flo=
at:none">=A0</span><span style=3D"color:rgb(51,51,51);font-family:arial,san=
s-serif;font-size:16px;font-style:normal;font-variant:normal;font-weight:no=
rmal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-=
indent:0px;text-transform:none;white-space:normal;word-spacing:0px;backgrou=
nd-color:rgb(245,245,245)">working</span><span style=3D"color:rgb(51,51,51)=
;font-family:arial,sans-serif;font-size:16px;font-style:normal;font-variant=
:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-al=
ign:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;wor=
d-spacing:0px;background-color:rgb(245,245,245);display:inline!important;fl=
oat:none">=A0</span><span style=3D"color:rgb(51,51,51);font-family:arial,sa=
ns-serif;font-size:16px;font-style:normal;font-variant:normal;font-weight:n=
ormal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text=
-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;backgro=
und-color:rgb(245,245,245)">to re-</span><span style=3D"color:rgb(51,51,51)=
;font-family:arial,sans-serif;font-size:16px;font-style:normal;font-variant=
:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-al=
ign:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;wor=
d-spacing:0px;background-color:rgb(245,245,245)">deploy</span><span style=
=3D"color:rgb(51,51,51);font-family:arial,sans-serif;font-size:16px;font-st=
yle:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;lin=
e-height:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none=
;white-space:normal;word-spacing:0px;background-color:rgb(245,245,245);disp=
lay:inline!important;float:none">=A0</span><span style=3D"color:rgb(51,51,5=
1);font-family:arial,sans-serif;font-size:16px;font-style:normal;font-varia=
nt:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-=
align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;w=
ord-spacing:0px;background-color:rgb(245,245,245)">and test!<br>

^^</span><br><br><div class=3D"gmail_quote">2011/12/10 Florian Heigl <span =
dir=3D"ltr">&lt;<a href=3D"mailto:florian.heigl@gmail.com" target=3D"_blank=
">florian.heigl@gmail.com</a>&gt;</span><br><blockquote class=3D"gmail_quot=
e" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

Install PV disk / network drivers in the VM.<br>
<br>
Without these, it will be slow. Stop testing until you have the drivers rig=
ht.<br>
<br>
VMWare is optmized for running reasonably fast with either fake LSI /<br>
Intel drivers, or a little faster with their PV drivers.<br>
<br>
Xen is optimized to be *extremely fast* in a good configuration.<br>
<br>
Greetings,<br>
Flo<br>
</blockquote></div><br>

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http://lists.xensource.com/xen-users
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To: xen-users@lists.xensource.com
Subject: Re: [Xen-users] xen the i / O performance,
 network performance is only 20-30% of the real machine?
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Thank you for the tolerance of the novice, I will be working to re-deploy and
test!
^^

2011/12/10 Florian Heigl <florian.heigl@gmail.com>

> Install PV disk / network drivers in the VM.
>
> Without these, it will be slow. Stop testing until you have the drivers
> right.
>
> VMWare is optmized for running reasonably fast with either fake LSI /
> Intel drivers, or a little faster with their PV drivers.
>
> Xen is optimized to be *extremely fast* in a good configuration.
>
> Greetings,
> Flo
>

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<span style=3D"color:rgb(51,51,51);font-family:arial,sans-serif;font-size:1=
6px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing=
:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text-tra=
nsform:none;white-space:normal;word-spacing:0px;background-color:rgb(245,24=
5,245)">Thank you for</span><span style=3D"color:rgb(51,51,51);font-family:=
arial,sans-serif;font-size:16px;font-style:normal;font-variant:normal;font-=
weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-a=
uto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px=
;background-color:rgb(245,245,245);display:inline!important;float:none">=A0=
</span><span style=3D"color:rgb(51,51,51);font-family:arial,sans-serif;font=
-size:16px;font-style:normal;font-variant:normal;font-weight:normal;letter-=
spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;t=
ext-transform:none;white-space:normal;word-spacing:0px;background-color:rgb=
(245,245,245)">the</span><span style=3D"color:rgb(51,51,51);font-family:ari=
al,sans-serif;font-size:16px;font-style:normal;font-variant:normal;font-wei=
ght:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto=
;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;ba=
ckground-color:rgb(245,245,245);display:inline!important;float:none">=A0</s=
pan><span style=3D"color:rgb(51,51,51);font-family:arial,sans-serif;font-si=
ze:16px;font-style:normal;font-variant:normal;font-weight:normal;letter-spa=
cing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;text=
-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(24=
5,245,245)">tolerance</span><span style=3D"color:rgb(51,51,51);font-family:=
arial,sans-serif;font-size:16px;font-style:normal;font-variant:normal;font-=
weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-a=
uto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px=
;background-color:rgb(245,245,245);display:inline!important;float:none">=A0=
</span><span style=3D"color:rgb(51,51,51);font-family:arial,sans-serif;font=
-size:16px;font-style:normal;font-variant:normal;font-weight:normal;letter-=
spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;t=
ext-transform:none;white-space:normal;word-spacing:0px;background-color:rgb=
(245,245,245)">of the</span><span style=3D"color:rgb(51,51,51);font-family:=
arial,sans-serif;font-size:16px;font-style:normal;font-variant:normal;font-=
weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-a=
uto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px=
;background-color:rgb(245,245,245);display:inline!important;float:none">=A0=
</span><span style=3D"color:rgb(51,51,51);font-family:arial,sans-serif;font=
-size:16px;font-style:normal;font-variant:normal;font-weight:normal;letter-=
spacing:normal;line-height:normal;text-align:-webkit-auto;text-indent:0px;t=
ext-transform:none;white-space:normal;word-spacing:0px;background-color:rgb=
(245,245,245)">novice</span><span style=3D"color:rgb(51,51,51);font-family:=
arial,sans-serif;font-size:16px;font-style:normal;font-variant:normal;font-=
weight:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-a=
uto;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px=
;background-color:rgb(245,245,245)">,</span><span style=3D"color:rgb(51,51,=
51);font-family:arial,sans-serif;font-size:16px;font-style:normal;font-vari=
ant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text=
-align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;=
word-spacing:0px;background-color:rgb(245,245,245);display:inline!important=
;float:none">=A0</span><span style=3D"color:rgb(51,51,51);font-family:arial=
,sans-serif;font-size:16px;font-style:normal;font-variant:normal;font-weigh=
t:normal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;t=
ext-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;back=
ground-color:rgb(245,245,245)">I</span><span style=3D"color:rgb(51,51,51);f=
ont-family:arial,sans-serif;font-size:16px;font-style:normal;font-variant:n=
ormal;font-weight:normal;letter-spacing:normal;line-height:normal;text-alig=
n:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word-=
spacing:0px;background-color:rgb(245,245,245);display:inline!important;floa=
t:none">=A0</span><span style=3D"color:rgb(51,51,51);font-family:arial,sans=
-serif;font-size:16px;font-style:normal;font-variant:normal;font-weight:nor=
mal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-i=
ndent:0px;text-transform:none;white-space:normal;word-spacing:0px;backgroun=
d-color:rgb(245,245,245)">will be</span><span style=3D"color:rgb(51,51,51);=
font-family:arial,sans-serif;font-size:16px;font-style:normal;font-variant:=
normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-ali=
gn:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;word=
-spacing:0px;background-color:rgb(245,245,245);display:inline!important;flo=
at:none">=A0</span><span style=3D"color:rgb(51,51,51);font-family:arial,san=
s-serif;font-size:16px;font-style:normal;font-variant:normal;font-weight:no=
rmal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text-=
indent:0px;text-transform:none;white-space:normal;word-spacing:0px;backgrou=
nd-color:rgb(245,245,245)">working</span><span style=3D"color:rgb(51,51,51)=
;font-family:arial,sans-serif;font-size:16px;font-style:normal;font-variant=
:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-al=
ign:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;wor=
d-spacing:0px;background-color:rgb(245,245,245);display:inline!important;fl=
oat:none">=A0</span><span style=3D"color:rgb(51,51,51);font-family:arial,sa=
ns-serif;font-size:16px;font-style:normal;font-variant:normal;font-weight:n=
ormal;letter-spacing:normal;line-height:normal;text-align:-webkit-auto;text=
-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;backgro=
und-color:rgb(245,245,245)">to re-</span><span style=3D"color:rgb(51,51,51)=
;font-family:arial,sans-serif;font-size:16px;font-style:normal;font-variant=
:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-al=
ign:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;wor=
d-spacing:0px;background-color:rgb(245,245,245)">deploy</span><span style=
=3D"color:rgb(51,51,51);font-family:arial,sans-serif;font-size:16px;font-st=
yle:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;lin=
e-height:normal;text-align:-webkit-auto;text-indent:0px;text-transform:none=
;white-space:normal;word-spacing:0px;background-color:rgb(245,245,245);disp=
lay:inline!important;float:none">=A0</span><span style=3D"color:rgb(51,51,5=
1);font-family:arial,sans-serif;font-size:16px;font-style:normal;font-varia=
nt:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-=
align:-webkit-auto;text-indent:0px;text-transform:none;white-space:normal;w=
ord-spacing:0px;background-color:rgb(245,245,245)">and test!<br>

^^</span><br><br><div class=3D"gmail_quote">2011/12/10 Florian Heigl <span =
dir=3D"ltr">&lt;<a href=3D"mailto:florian.heigl@gmail.com" target=3D"_blank=
">florian.heigl@gmail.com</a>&gt;</span><br><blockquote class=3D"gmail_quot=
e" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

Install PV disk / network drivers in the VM.<br>
<br>
Without these, it will be slow. Stop testing until you have the drivers rig=
ht.<br>
<br>
VMWare is optmized for running reasonably fast with either fake LSI /<br>
Intel drivers, or a little faster with their PV drivers.<br>
<br>
Xen is optimized to be *extremely fast* in a good configuration.<br>
<br>
Greetings,<br>
Flo<br>
</blockquote></div><br>

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From: "Michael A. Collins" <mike.a.collins@ark-net.org>
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Subject: [Xen-users] PV Drivers dropping all packets with 802.1q headers
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I have serveral domUs running on xen-unstable and I've found that if I run
Qemu emulated nics, aka HVM, the domU's process packets whether they have a
802.1q header or not.  With PV drivers that is not the case.  The PV drivers
on Linux or Windows, just drop all packets that contain 802.1q headers.  On
the Linux side I was able to get it working by creating a vlan subinterface
inside the domU.  I do not see how to do that with the Windows PV drivers.
Is this known behavior?  I have not seen anything posted here that is
related.

Mike


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vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'color:#1F497D'>I have serveral domUs running on xen-unstable =
and I've found that if I run Qemu emulated nics, aka HVM, the domU's =
process packets whether they have a 802.1q header or not.&nbsp; With PV =
drivers that is not the case.&nbsp; The PV drivers on Linux or Windows, =
just drop all packets that contain 802.1q headers. &nbsp;On the Linux =
side I was able to get it working by creating a vlan subinterface inside =
the domU.&nbsp; I do not see how to do that with the Windows PV =
drivers.&nbsp; Is this known behavior?&nbsp; I have not seen anything =
posted here that is related.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497=
D'>Mike<o:p></o:p></span></p></div></body></html>
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I have serveral domUs running on xen-unstable and I've found that if I run
Qemu emulated nics, aka HVM, the domU's process packets whether they have a
802.1q header or not.  With PV drivers that is not the case.  The PV drivers
on Linux or Windows, just drop all packets that contain 802.1q headers.  On
the Linux side I was able to get it working by creating a vlan subinterface
inside the domU.  I do not see how to do that with the Windows PV drivers.
Is this known behavior?  I have not seen anything posted here that is
related.

Mike


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vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'color:#1F497D'>I have serveral domUs running on xen-unstable =
and I've found that if I run Qemu emulated nics, aka HVM, the domU's =
process packets whether they have a 802.1q header or not.&nbsp; With PV =
drivers that is not the case.&nbsp; The PV drivers on Linux or Windows, =
just drop all packets that contain 802.1q headers. &nbsp;On the Linux =
side I was able to get it working by creating a vlan subinterface inside =
the domU.&nbsp; I do not see how to do that with the Windows PV =
drivers.&nbsp; Is this known behavior?&nbsp; I have not seen anything =
posted here that is related.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
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From xen-users-bounces@lists.xensource.com Sun Dec 11 19:09:08 2011
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To: Mike McClurg <mike.mcclurg@citrix.com>
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Subject: Re: [Xen-users] [Xen-API]  XCP 1.5 availability
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On Thu, Dec 08, 2011 at 09:29:04AM +0000, Mike McClurg wrote:
> (Added xen-api list to CC.)
> 
> On 06/12/11 19:57, Enzo Lombardi wrote:
> > Is there any nightly build, dev build, morning build of XCP 1.5?
> > I saw a message mentioning "end of September", what happened to this
> > release? What is the delay and what does the schedule looks like?
> 
> Hi Enzo,
> 
> We had hoped for a September beta at one point, but clearly this hasn't
> happened. We're currently aiming for a January alpha release. The delays
> have been due to our focus on Project Kronos, where we are porting the
> XCP toolstack to run on Debian and Ubuntu. The core XCP team consists of
> only two people, and Kronos turned out to be quite a time consuming
> project. At the same time, we are still committed to providing the
> traditional XCP "appliance", as well as XCP on Debian and Ubuntu.
> 

Hey,

I think we should use the name "XCP" only for the appliance,
and maybe just "XAPI toolstack" for the packages in Debian/Ubuntu? 

Does that make sense? Some people are getting confused about what XCP is..


> The problem with the XCP appliance and it's slow releases is mainly due
> to our internal build system. In the past, the XCP team has had to do a
> lot of manual work to convert each XenServer release into an XCP
> release. Over the last year we have been tweaking our build system, and
> parts of our toolstack code, to do this work for us.
> 
> The last bits of this work are almost complete. Once they are complete,
> we will be able to start providing regular development snapshots of XCP,
> and will be able to provide a more regular release cadence. Until this
> work is complete, we don't feel that it would be worthwhile to release
> an alpha of XCP 1.5, because we know it will be broken, due to the
> incompleteness of our build system and toolstack changes.
> 
> I'm sorry again for the delay to XCP 1.5. We hope that the work we're
> doing pays off in that future releases won't be so delayed, and
> development snapshots will finally be possible. Thanks for the continued
> interest in XCP.
> 

Sounds good!

-- Pasi


_______________________________________________
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Subject: Re: [Xen-users] [Xen-API]  XCP 1.5 availability
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On Thu, Dec 08, 2011 at 09:29:04AM +0000, Mike McClurg wrote:
> (Added xen-api list to CC.)
> 
> On 06/12/11 19:57, Enzo Lombardi wrote:
> > Is there any nightly build, dev build, morning build of XCP 1.5?
> > I saw a message mentioning "end of September", what happened to this
> > release? What is the delay and what does the schedule looks like?
> 
> Hi Enzo,
> 
> We had hoped for a September beta at one point, but clearly this hasn't
> happened. We're currently aiming for a January alpha release. The delays
> have been due to our focus on Project Kronos, where we are porting the
> XCP toolstack to run on Debian and Ubuntu. The core XCP team consists of
> only two people, and Kronos turned out to be quite a time consuming
> project. At the same time, we are still committed to providing the
> traditional XCP "appliance", as well as XCP on Debian and Ubuntu.
> 

Hey,

I think we should use the name "XCP" only for the appliance,
and maybe just "XAPI toolstack" for the packages in Debian/Ubuntu? 

Does that make sense? Some people are getting confused about what XCP is..


> The problem with the XCP appliance and it's slow releases is mainly due
> to our internal build system. In the past, the XCP team has had to do a
> lot of manual work to convert each XenServer release into an XCP
> release. Over the last year we have been tweaking our build system, and
> parts of our toolstack code, to do this work for us.
> 
> The last bits of this work are almost complete. Once they are complete,
> we will be able to start providing regular development snapshots of XCP,
> and will be able to provide a more regular release cadence. Until this
> work is complete, we don't feel that it would be worthwhile to release
> an alpha of XCP 1.5, because we know it will be broken, due to the
> incompleteness of our build system and toolstack changes.
> 
> I'm sorry again for the delay to XCP 1.5. We hope that the work we're
> doing pays off in that future releases won't be so delayed, and
> development snapshots will finally be possible. Thanks for the continued
> interest in XCP.
> 

Sounds good!

-- Pasi


_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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> 
> I have serveral domUs running on xen-unstable and I've found that if I
run
> Qemu emulated nics, aka HVM, the domU's process packets whether they
> have a 802.1q header or not.  With PV drivers that is not the case.
The PV
> drivers on Linux or Windows, just drop all packets that contain 802.1q
> headers.  On the Linux side I was able to get it working by creating a
vlan
> subinterface inside the domU.  I do not see how to do that with the
Windows
> PV drivers.  Is this known behavior?  I have not seen anything posted
here
> that is related.
> 

Where are the packets going once they hit the DomU? Are you not using
VLAN's inside there?

James

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> 
> I have serveral domUs running on xen-unstable and I've found that if I
run
> Qemu emulated nics, aka HVM, the domU's process packets whether they
> have a 802.1q header or not.  With PV drivers that is not the case.
The PV
> drivers on Linux or Windows, just drop all packets that contain 802.1q
> headers.  On the Linux side I was able to get it working by creating a
vlan
> subinterface inside the domU.  I do not see how to do that with the
Windows
> PV drivers.  Is this known behavior?  I have not seen anything posted
here
> that is related.
> 

Where are the packets going once they hit the DomU? Are you not using
VLAN's inside there?

James

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On 11.12.2011 16:36, James Harper wrote:
>>
>> I have serveral domUs running on xen-unstable and I've found that if 
>> I
> run
>> Qemu emulated nics, aka HVM, the domU's process packets whether they
>> have a 802.1q header or not.  With PV drivers that is not the case.
> The PV
>> drivers on Linux or Windows, just drop all packets that contain 
>> 802.1q
>> headers.  On the Linux side I was able to get it working by creating 
>> a
> vlan
>> subinterface inside the domU.  I do not see how to do that with the
> Windows
>> PV drivers.  Is this known behavior?  I have not seen anything 
>> posted
> here
>> that is related.
>>
>
> Where are the packets going once they hit the DomU? Are you not using
> VLAN's inside there?
>
> James
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users

I have done that with Linux ip link settings, but I can't find anything 
that would allow me to do that with the Windows GPLPV drivers.
Mike

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On 11.12.2011 16:36, James Harper wrote:
>>
>> I have serveral domUs running on xen-unstable and I've found that if 
>> I
> run
>> Qemu emulated nics, aka HVM, the domU's process packets whether they
>> have a 802.1q header or not.  With PV drivers that is not the case.
> The PV
>> drivers on Linux or Windows, just drop all packets that contain 
>> 802.1q
>> headers.  On the Linux side I was able to get it working by creating 
>> a
> vlan
>> subinterface inside the domU.  I do not see how to do that with the
> Windows
>> PV drivers.  Is this known behavior?  I have not seen anything 
>> posted
> here
>> that is related.
>>
>
> Where are the packets going once they hit the DomU? Are you not using
> VLAN's inside there?
>
> James
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users

I have done that with Linux ip link settings, but I can't find anything 
that would allow me to do that with the Windows GPLPV drivers.
Mike

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Subject: Re: [Xen-users] PV Drivers dropping all packets with 802.1q headers
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> 
> I have done that with Linux ip link settings, but I can't find
anything that
> would allow me to do that with the Windows GPLPV drivers.
> Mike
> 

GPLPV doesn't support VLAN's, or at least I haven't added anything that
would allow them and I think Windows requires driver support. For VM's
that need access to multiple VLAN's in Dom0 I'd normally create the
multiple interfaces in Dom0 and plumb them through individually.

James


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> 
> I have done that with Linux ip link settings, but I can't find
anything that
> would allow me to do that with the Windows GPLPV drivers.
> Mike
> 

GPLPV doesn't support VLAN's, or at least I haven't added anything that
would allow them and I think Windows requires driver support. For VM's
that need access to multiple VLAN's in Dom0 I'd normally create the
multiple interfaces in Dom0 and plumb them through individually.

James


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Subject: Re: [Xen-users] PV Drivers dropping all packets with 802.1q headers
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On 11.12.2011 17:25, James Harper wrote:
>>
>> I have done that with Linux ip link settings, but I can't find
> anything that
>> would allow me to do that with the Windows GPLPV drivers.
>> Mike
>>
>
> GPLPV doesn't support VLAN's, or at least I haven't added anything 
> that
> would allow them and I think Windows requires driver support. For 
> VM's
> that need access to multiple VLAN's in Dom0 I'd normally create the
> multiple interfaces in Dom0 and plumb them through individually.
>
> James
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users

I see.  I am using Open vSwitch instead of the linux bridging, so I've 
found that it's impossible to strip the 802.1q header before it egresses 
out of the switch to the domU.  I am going to try their latest version 
that includes native-untagged mode on trunk ports.  That way I can at 
least pass traffic for one single vlan without tags through the trunk.  
I think that my focus needs to be on the Open vSwitch side, since I 
assume it would be much easier to change the way they do access ports, 
then add vlan functionality to the GPLPV drivers.  If there is an easier 
way that I might be overlooking please let me know, otherwise I'll dig 
into ofproto and see what I can break.
Mike

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Subject: Re: [Xen-users] PV Drivers dropping all packets with 802.1q headers
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On 11.12.2011 17:25, James Harper wrote:
>>
>> I have done that with Linux ip link settings, but I can't find
> anything that
>> would allow me to do that with the Windows GPLPV drivers.
>> Mike
>>
>
> GPLPV doesn't support VLAN's, or at least I haven't added anything 
> that
> would allow them and I think Windows requires driver support. For 
> VM's
> that need access to multiple VLAN's in Dom0 I'd normally create the
> multiple interfaces in Dom0 and plumb them through individually.
>
> James
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users

I see.  I am using Open vSwitch instead of the linux bridging, so I've 
found that it's impossible to strip the 802.1q header before it egresses 
out of the switch to the domU.  I am going to try their latest version 
that includes native-untagged mode on trunk ports.  That way I can at 
least pass traffic for one single vlan without tags through the trunk.  
I think that my focus needs to be on the Open vSwitch side, since I 
assume it would be much easier to change the way they do access ports, 
then add vlan functionality to the GPLPV drivers.  If there is an easier 
way that I might be overlooking please let me know, otherwise I'll dig 
into ofproto and see what I can break.
Mike

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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I have installed Xen 4.1.2 on CentOS 5.5 with Domain0 Kernel 2.6.32.48 and
DomainU CentOS 5.7 with kernel 2.6.18. The vm image is set on a nfs backend
storage. Xen is running successfully and the command "xm migrate" and "xm
migrate --live" can run successfully. 

The vm config file is this :
name            = "vm3-1-para"
vcpus           = 1
memory          = '256'
disk            = [ 'file:/nfs_xen/vm3-1-para.img,xvda,w']
on_reboot       = 'restart'
on_crash        = 'restart'
vif             = [ 'bridge=eth0' ]
#kernel                 = "/mnt/images/xen/vmlinuz"
#ramdisk                = "/mnt/images/xen/initrd.img"
acpi            = 0
apic            = 0
pae             = 0
vnc             = 1
vncviewer       = 0
ne2000          = 0

>From a remus reference from http://nss.cs.ubc.ca/remus/doc.html, I tried its
disk replication
disk = [ 'tap2:remus:10.0.0.3:9000|aio:/nfs_xen/vm3-1-para.img,xvda,w' ]
but get error: 
[root@SLOT1 XenImg]# xm start vm3-1-para
Error: Disk isn't accessible
when start vm.

When I run "remus" command, the error messages are below:

1. remus for HVM DomainU:
[root@SLOT1 ~]# remus vm1-1 10.0.0.3
Disk is not replicated: file:/nfs_xen/vm1-1.img,hda,w
tc qdisc add dev vif12.0 ingress
Cannot find device "vif12.0"
Traceback (most recent call last):
  File "/usr/bin/remus", line 219, in ?
    run(cfg)
  File "/usr/bin/remus", line 125, in run
    bufs.append(BufferedNIC(vif))
  File "usr/lib64/python2.4/site-packages/xen/remus/device.py", line 326, in
__init__
  File "usr/lib64/python2.4/site-packages/xen/remus/device.py", line 358, in
setup
  File "usr/lib64/python2.4/site-packages/xen/remus/device.py", line 181, in
install
xen.remus.util.PipeException: tc failed (errmsg: Cannot find device
"vif12.0"): 1, Operation not permitted

If I run remus without network, it caused segment fault:
[root@SLOT1 ~]# remus --no-net vm1-1 10.0.0.3
Disk is not replicated: file:/nfs_xen/vm1-1.img,hda,w
Segmentation fault

2. remus for paravirtualized DomainU
So I wonder if I should run remus with paravirtualized DomainU, so I run
such a VM called vm3-1-para and  errors shows below:

[root@SLOT1 ~]# remus vm3-1-para 10.0.0.3
Disk is not replicated: file:/nfs_xen/vm3-1-para.img,xvda,w
WARNING: suspend event channel unavailable, falling back to slow xenstore
signalling
PROF: suspending at 1323744888.135283
installing buffer on ifb0...  done.
PROF: resumed at 1323744888.179425
PROF: flushed memory at 1323744888.207391
PROF: suspending at 1323744888.368985
timeout polling fd
xc: error: Suspend request failed: Internal error
xc: error: Domain appears not to have suspended: Internal error
PROF: resumed at 1323744888.886730

And then, vm3-1-para has been migrated to the backup Domain0. I can find it
with "xm list" in 10.0.0.3.


With these errors, I have some questions with remus in Xen 4.x.
1. Does remus in Xen 4.x support HVM fully virtualized Domain0?
2. Should vm image of remus in Xen 4.x must be put in NAS or SAN backend
storage? Or should not do this?

Thank you.

--
View this message in context: http://xen.1045712.n5.nabble.com/Remus-config-error-tp5067030p5067030.html
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From: xelatex <yzt356@gmail.com>
To: xen-users@lists.xensource.com
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Subject: [Xen-users] Remus config error
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I have installed Xen 4.1.2 on CentOS 5.5 with Domain0 Kernel 2.6.32.48 and
DomainU CentOS 5.7 with kernel 2.6.18. The vm image is set on a nfs backend
storage. Xen is running successfully and the command "xm migrate" and "xm
migrate --live" can run successfully. 

The vm config file is this :
name            = "vm3-1-para"
vcpus           = 1
memory          = '256'
disk            = [ 'file:/nfs_xen/vm3-1-para.img,xvda,w']
on_reboot       = 'restart'
on_crash        = 'restart'
vif             = [ 'bridge=eth0' ]
#kernel                 = "/mnt/images/xen/vmlinuz"
#ramdisk                = "/mnt/images/xen/initrd.img"
acpi            = 0
apic            = 0
pae             = 0
vnc             = 1
vncviewer       = 0
ne2000          = 0

>From a remus reference from http://nss.cs.ubc.ca/remus/doc.html, I tried its
disk replication
disk = [ 'tap2:remus:10.0.0.3:9000|aio:/nfs_xen/vm3-1-para.img,xvda,w' ]
but get error: 
[root@SLOT1 XenImg]# xm start vm3-1-para
Error: Disk isn't accessible
when start vm.

When I run "remus" command, the error messages are below:

1. remus for HVM DomainU:
[root@SLOT1 ~]# remus vm1-1 10.0.0.3
Disk is not replicated: file:/nfs_xen/vm1-1.img,hda,w
tc qdisc add dev vif12.0 ingress
Cannot find device "vif12.0"
Traceback (most recent call last):
  File "/usr/bin/remus", line 219, in ?
    run(cfg)
  File "/usr/bin/remus", line 125, in run
    bufs.append(BufferedNIC(vif))
  File "usr/lib64/python2.4/site-packages/xen/remus/device.py", line 326, in
__init__
  File "usr/lib64/python2.4/site-packages/xen/remus/device.py", line 358, in
setup
  File "usr/lib64/python2.4/site-packages/xen/remus/device.py", line 181, in
install
xen.remus.util.PipeException: tc failed (errmsg: Cannot find device
"vif12.0"): 1, Operation not permitted

If I run remus without network, it caused segment fault:
[root@SLOT1 ~]# remus --no-net vm1-1 10.0.0.3
Disk is not replicated: file:/nfs_xen/vm1-1.img,hda,w
Segmentation fault

2. remus for paravirtualized DomainU
So I wonder if I should run remus with paravirtualized DomainU, so I run
such a VM called vm3-1-para and  errors shows below:

[root@SLOT1 ~]# remus vm3-1-para 10.0.0.3
Disk is not replicated: file:/nfs_xen/vm3-1-para.img,xvda,w
WARNING: suspend event channel unavailable, falling back to slow xenstore
signalling
PROF: suspending at 1323744888.135283
installing buffer on ifb0...  done.
PROF: resumed at 1323744888.179425
PROF: flushed memory at 1323744888.207391
PROF: suspending at 1323744888.368985
timeout polling fd
xc: error: Suspend request failed: Internal error
xc: error: Domain appears not to have suspended: Internal error
PROF: resumed at 1323744888.886730

And then, vm3-1-para has been migrated to the backup Domain0. I can find it
with "xm list" in 10.0.0.3.


With these errors, I have some questions with remus in Xen 4.x.
1. Does remus in Xen 4.x support HVM fully virtualized Domain0?
2. Should vm image of remus in Xen 4.x must be put in NAS or SAN backend
storage? Or should not do this?

Thank you.

--
View this message in context: http://xen.1045712.n5.nabble.com/Remus-config-error-tp5067030p5067030.html
Sent from the Xen - User mailing list archive at Nabble.com.

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From: Mike Vidal <mike.vidal@gmail.com>
To: xen-users@lists.xensource.com
Subject: [Xen-users] Is this possible? Multi user Xen system with VGA output?
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I'd like to build a new PC with 2 video and sounds cards. Then I'd
like to use Xen to virtualize 2 windows OS's inside one Dom0 Linux OS?
I'd like each windows OS to have it's own VGA and sound-card output.

_______________________________________________
Xen-users mailing list
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http://lists.xensource.com/xen-users

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I'd like to build a new PC with 2 video and sounds cards. Then I'd
like to use Xen to virtualize 2 windows OS's inside one Dom0 Linux OS?
I'd like each windows OS to have it's own VGA and sound-card output.

_______________________________________________
Xen-users mailing list
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http://lists.xensource.com/xen-users

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On 11.12.2011 22:11, Mike Vidal wrote:
> I'd like to build a new PC with 2 video and sounds cards. Then I'd
> like to use Xen to virtualize 2 windows OS's inside one Dom0 Linux 
> OS?
> I'd like each windows OS to have it's own VGA and sound-card output.
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
I know you can do the sound easily with GPLPV USB drivers and using usb 
sound cards.  I don't know if you can pass arbitrary video cards to 
domUs, I have only seen people using it for a single domU.  Hope that 
helps.
Mike

_______________________________________________
Xen-users mailing list
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http://lists.xensource.com/xen-users

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On 11.12.2011 22:11, Mike Vidal wrote:
> I'd like to build a new PC with 2 video and sounds cards. Then I'd
> like to use Xen to virtualize 2 windows OS's inside one Dom0 Linux 
> OS?
> I'd like each windows OS to have it's own VGA and sound-card output.
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
I know you can do the sound easily with GPLPV USB drivers and using usb 
sound cards.  I don't know if you can pass arbitrary video cards to 
domUs, I have only seen people using it for a single domU.  Hope that 
helps.
Mike

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Subject: Re: [Xen-users] Is this possible? Multi user Xen system with VGA
	output?
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You can, in theory, set up a Xen system to pass through two different video
cards to two different domUs.  You'll need to have the appropriate hardware
(processor and motherboard), however, as this will require HVMs for the
windows guests.

On Sun, Dec 11, 2011 at 10:11 PM, Mike Vidal <mike.vidal@gmail.com> wrote:

> I'd like to build a new PC with 2 video and sounds cards. Then I'd
> like to use Xen to virtualize 2 windows OS's inside one Dom0 Linux OS?
> I'd like each windows OS to have it's own VGA and sound-card output.
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>

--14dae934054f49ea5004b3dcba06
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<span class=3D"Apple-style-span" style=3D"border-collapse:collapse;color:rg=
b(34,34,34);font-family:arial,sans-serif;font-size:13px">You can, in theory=
, set up a Xen system to pass through two different video cards to two diff=
erent domUs. =A0You&#39;ll need to have the appropriate hardware (processor=
 and motherboard), however, as this will require HVMs for the windows guest=
s.</span><br>
<br><div class=3D"gmail_quote">On Sun, Dec 11, 2011 at 10:11 PM, Mike Vidal=
 <span dir=3D"ltr">&lt;<a href=3D"mailto:mike.vidal@gmail.com">mike.vidal@g=
mail.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=
=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
I&#39;d like to build a new PC with 2 video and sounds cards. Then I&#39;d<=
br>
like to use Xen to virtualize 2 windows OS&#39;s inside one Dom0 Linux OS?<=
br>
I&#39;d like each windows OS to have it&#39;s own VGA and sound-card output=
.<br>
<br>
_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.=
com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br>
</blockquote></div><br>

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_______________________________________________
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Subject: Re: [Xen-users] Is this possible? Multi user Xen system with VGA
	output?
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You can, in theory, set up a Xen system to pass through two different video
cards to two different domUs.  You'll need to have the appropriate hardware
(processor and motherboard), however, as this will require HVMs for the
windows guests.

On Sun, Dec 11, 2011 at 10:11 PM, Mike Vidal <mike.vidal@gmail.com> wrote:

> I'd like to build a new PC with 2 video and sounds cards. Then I'd
> like to use Xen to virtualize 2 windows OS's inside one Dom0 Linux OS?
> I'd like each windows OS to have it's own VGA and sound-card output.
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>

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<span class=3D"Apple-style-span" style=3D"border-collapse:collapse;color:rg=
b(34,34,34);font-family:arial,sans-serif;font-size:13px">You can, in theory=
, set up a Xen system to pass through two different video cards to two diff=
erent domUs. =A0You&#39;ll need to have the appropriate hardware (processor=
 and motherboard), however, as this will require HVMs for the windows guest=
s.</span><br>
<br><div class=3D"gmail_quote">On Sun, Dec 11, 2011 at 10:11 PM, Mike Vidal=
 <span dir=3D"ltr">&lt;<a href=3D"mailto:mike.vidal@gmail.com">mike.vidal@g=
mail.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=
=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
I&#39;d like to build a new PC with 2 video and sounds cards. Then I&#39;d<=
br>
like to use Xen to virtualize 2 windows OS&#39;s inside one Dom0 Linux OS?<=
br>
I&#39;d like each windows OS to have it&#39;s own VGA and sound-card output=
.<br>
<br>
_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.=
com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br>
</blockquote></div><br>

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From: vipul borikar <vipulcell@gmail.com>
To: Florian Heigl <florian.heigl@gmail.com>
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Subject: Re: [Xen-users] Ubuntu 11.04 shutdown Problem
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Ok . Thanks for the Update...
Can i try 5.7 Xen RPMS on 5.5 OS.. cause it will be tough for me to upgrade
the OS 5.5 to 5.7.


On Sun, Dec 11, 2011 at 12:08 AM, Florian Heigl <florian.heigl@gmail.com>wrote:

> 2011/12/5 vipul borikar <vipulcell@gmail.com>:
> >
> > I am using old Xen Rpms which comes with RHEL 5.5 .
> > xen-3.0.3-105.el5.
> >
> > I am running Ubuntu 11.04 Full Virt on this. But after a gap of 2 or 3
> days
> > this VM gets shutdown automatically.
> > I have checked the logs there is nothing suspicious.. What can be reason
> for
> > it..??
>
> There have been many Xen bugfixes in RHEL5.7. If you don't have strong
> reason against it, you should update.
> Is anything in xm dmesg?
>



-- 
Thanks

Vipul Borikar
"Our task must be to free ourselves...by widening our circle of compassion
to embrace all living creatures and the whole of nature and its beauty."

--e89a8f3bafa73f325404b3dd8fa1
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Ok . Thanks for the Update... <br>Can i try 5.7 Xen RPMS on 5.5 OS.. cause =
it will be tough for me to upgrade the OS 5.5 to 5.7. <br><br><br><div clas=
s=3D"gmail_quote">On Sun, Dec 11, 2011 at 12:08 AM, Florian Heigl <span dir=
=3D"ltr">&lt;<a href=3D"mailto:florian.heigl@gmail.com">florian.heigl@gmail=
.com</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0pt 0pt 0pt 0.8ex;border-=
left:1px solid rgb(204,204,204);padding-left:1ex">2011/12/5 vipul borikar &=
lt;<a href=3D"mailto:vipulcell@gmail.com">vipulcell@gmail.com</a>&gt;:<br>
<div class=3D"im">&gt;<br>
&gt; I am using old Xen Rpms which comes with RHEL 5.5 .<br>
&gt; xen-3.0.3-105.el5.<br>
&gt;<br>
&gt; I am running Ubuntu 11.04 Full Virt on this. But after a gap of 2 or 3=
 days<br>
&gt; this VM gets shutdown automatically.<br>
&gt; I have checked the logs there is nothing suspicious.. What can be reas=
on for<br>
&gt; it..??<br>
<br>
</div>There have been many Xen bugfixes in RHEL5.7. If you don&#39;t have s=
trong<br>
reason against it, you should update.<br>
Is anything in xm dmesg?<br>
</blockquote></div><br><br clear=3D"all"><br>-- <br><div>Thanks=A0</div><di=
v><br></div>Vipul Borikar <br><div>&quot;Our task must be to free ourselves=
...by widening our circle of compassion to embrace all living creatures and=
 the whole of nature and its beauty.&quot;</div>
<br>

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_______________________________________________
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From: vipul borikar <vipulcell@gmail.com>
To: Florian Heigl <florian.heigl@gmail.com>
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] Ubuntu 11.04 shutdown Problem
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Ok . Thanks for the Update...
Can i try 5.7 Xen RPMS on 5.5 OS.. cause it will be tough for me to upgrade
the OS 5.5 to 5.7.


On Sun, Dec 11, 2011 at 12:08 AM, Florian Heigl <florian.heigl@gmail.com>wrote:

> 2011/12/5 vipul borikar <vipulcell@gmail.com>:
> >
> > I am using old Xen Rpms which comes with RHEL 5.5 .
> > xen-3.0.3-105.el5.
> >
> > I am running Ubuntu 11.04 Full Virt on this. But after a gap of 2 or 3
> days
> > this VM gets shutdown automatically.
> > I have checked the logs there is nothing suspicious.. What can be reason
> for
> > it..??
>
> There have been many Xen bugfixes in RHEL5.7. If you don't have strong
> reason against it, you should update.
> Is anything in xm dmesg?
>



-- 
Thanks

Vipul Borikar
"Our task must be to free ourselves...by widening our circle of compassion
to embrace all living creatures and the whole of nature and its beauty."

--e89a8f3bafa73f325404b3dd8fa1
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Ok . Thanks for the Update... <br>Can i try 5.7 Xen RPMS on 5.5 OS.. cause =
it will be tough for me to upgrade the OS 5.5 to 5.7. <br><br><br><div clas=
s=3D"gmail_quote">On Sun, Dec 11, 2011 at 12:08 AM, Florian Heigl <span dir=
=3D"ltr">&lt;<a href=3D"mailto:florian.heigl@gmail.com">florian.heigl@gmail=
.com</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0pt 0pt 0pt 0.8ex;border-=
left:1px solid rgb(204,204,204);padding-left:1ex">2011/12/5 vipul borikar &=
lt;<a href=3D"mailto:vipulcell@gmail.com">vipulcell@gmail.com</a>&gt;:<br>
<div class=3D"im">&gt;<br>
&gt; I am using old Xen Rpms which comes with RHEL 5.5 .<br>
&gt; xen-3.0.3-105.el5.<br>
&gt;<br>
&gt; I am running Ubuntu 11.04 Full Virt on this. But after a gap of 2 or 3=
 days<br>
&gt; this VM gets shutdown automatically.<br>
&gt; I have checked the logs there is nothing suspicious.. What can be reas=
on for<br>
&gt; it..??<br>
<br>
</div>There have been many Xen bugfixes in RHEL5.7. If you don&#39;t have s=
trong<br>
reason against it, you should update.<br>
Is anything in xm dmesg?<br>
</blockquote></div><br><br clear=3D"all"><br>-- <br><div>Thanks=A0</div><di=
v><br></div>Vipul Borikar <br><div>&quot;Our task must be to free ourselves=
...by widening our circle of compassion to embrace all living creatures and=
 the whole of nature and its beauty.&quot;</div>
<br>

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Cc: Florian Heigl <florian.heigl@gmail.com>, xen-users@lists.xensource.com
Subject: Re: [Xen-users] vnc stops working after a while
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Hi everyone,

well... it's good to know that I haven't come across some nasty and very 
weird bug very difficult to reproduce.

anyway... since the last time I wrote I haven't seen this problem 
anymore, as we have many machines and we don't continuously check them 
all. Next time I see one VNC broken I'll try to check what you suggested.

on the other hand, I understand from Florian's words that the problem 
could be a socket that remains open after a normal VNC connection. Do 
you think that we could avoid rebooting the server by killing it?

Thanks.


Al 10/12/11 20:28, En/na chris ha escrit:
> I recommended xen to a friend a while ago who was coming from vmware, 
> he installs it and then plays with it and then the vnc gets hung 
> exactly as we're describing and hes like well what do I do now and I'm 
> like you gotta kill it. He says are you kidding me? It always been one 
> of those things I've wondered how so many people have put up with it 
> for so long :)
>
> On Sat, Dec 10, 2011 at 1:29 PM, Florian Heigl 
> <florian.heigl@gmail.com <mailto:florian.heigl@gmail.com>> wrote:
>
>     2011/12/10 chris <tknchris@gmail.com <mailto:tknchris@gmail.com>>:
>     > +1
>     >
>     > I hate how when the vnc connection gets hung for any reason how
>     you lose vnc
>     > access for quite a while and possibly forever
>
>     So that makes 3 of us now for being able to restart vnc server :)
>     would be cool if there still were a Xen wishlist.
>
>     Anyway, next time when that happens do a
>     netstat -na | grep 59 | grep _WAIT
>
>     I think you'll find a stuck connection there. Please let us know.
>
>


-- 
Jordi Moles Blanco
Sistemes Cdmon.com
___________________________
Tlf: 902 36 41 38
Tlf: 93 567 75 77
mailto: jordi@cdmon.com
http://www.cdmon.com


--------------010906090407060806010403
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<html>
  <head>
    <meta content="text/html; charset=ISO-8859-1"
      http-equiv="Content-Type">
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  <body bgcolor="#FFFFFF" text="#000000">
    Hi everyone,<br>
    <br>
    well... it's good to know that I haven't come across some nasty and
    very weird bug very difficult to reproduce. <br>
    <br>
    anyway... since the last time I wrote I haven't seen this problem
    anymore, as we have many machines and we don't continuously check
    them all. Next time I see one VNC broken I'll try to check what you
    suggested.<br>
    <br>
    on the other hand, I understand from Florian's words that the
    problem could be a socket that remains open after a normal VNC
    connection. Do you think that we could avoid rebooting the server by
    killing it?<br>
    <br>
    Thanks.<br>
    <br>
    <br>
    Al 10/12/11 20:28, En/na chris ha escrit:
    <blockquote
cite="mid:CAKnNFz-icq_Qw7BzArhDAn0jYDcvXG8cCqvWpnaKe2x17sbW=w@mail.gmail.com"
      type="cite">I recommended xen to a friend a while ago who was
      coming from vmware, he installs it and then plays with it and then
      the vnc gets hung exactly as we're describing and hes like well
      what do I do now and I'm like you gotta kill it. He says are you
      kidding me? It always been one of those things I've wondered how
      so many people have put up with it for so long :)<br>
      <br>
      <div class="gmail_quote">On Sat, Dec 10, 2011 at 1:29 PM, Florian
        Heigl <span dir="ltr">&lt;<a moz-do-not-send="true"
            href="mailto:florian.heigl@gmail.com">florian.heigl@gmail.com</a>&gt;</span>
        wrote:<br>
        <blockquote class="gmail_quote" style="margin:0 0 0
          .8ex;border-left:1px #ccc solid;padding-left:1ex">
          2011/12/10 chris &lt;<a moz-do-not-send="true"
            href="mailto:tknchris@gmail.com">tknchris@gmail.com</a>&gt;:<br>
          <div class="im">&gt; +1<br>
            &gt;<br>
            &gt; I hate how when the vnc connection gets hung for any
            reason how you lose vnc<br>
            &gt; access for quite a while and possibly forever<br>
            <br>
          </div>
          So that makes 3 of us now for being able to restart vnc server
          :)<br>
          would be cool if there still were a Xen wishlist.<br>
          <br>
          Anyway, next time when that happens do a<br>
          netstat -na | grep 59 | grep _WAIT<br>
          <br>
          I think you'll find a stuck connection there. Please let us
          know.<br>
        </blockquote>
      </div>
      <br>
    </blockquote>
    <br>
    <br>
    <pre class="moz-signature" cols="72">-- 
Jordi Moles Blanco
Sistemes Cdmon.com
___________________________
Tlf: 902 36 41 38
Tlf: 93 567 75 77
mailto: <a class="moz-txt-link-abbreviated" href="mailto:jordi@cdmon.com">jordi@cdmon.com</a>
<a class="moz-txt-link-freetext" href="http://www.cdmon.com">http://www.cdmon.com</a>
</pre>
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Cc: Florian Heigl <florian.heigl@gmail.com>, xen-users@lists.xensource.com
Subject: Re: [Xen-users] vnc stops working after a while
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Hi everyone,

well... it's good to know that I haven't come across some nasty and very 
weird bug very difficult to reproduce.

anyway... since the last time I wrote I haven't seen this problem 
anymore, as we have many machines and we don't continuously check them 
all. Next time I see one VNC broken I'll try to check what you suggested.

on the other hand, I understand from Florian's words that the problem 
could be a socket that remains open after a normal VNC connection. Do 
you think that we could avoid rebooting the server by killing it?

Thanks.


Al 10/12/11 20:28, En/na chris ha escrit:
> I recommended xen to a friend a while ago who was coming from vmware, 
> he installs it and then plays with it and then the vnc gets hung 
> exactly as we're describing and hes like well what do I do now and I'm 
> like you gotta kill it. He says are you kidding me? It always been one 
> of those things I've wondered how so many people have put up with it 
> for so long :)
>
> On Sat, Dec 10, 2011 at 1:29 PM, Florian Heigl 
> <florian.heigl@gmail.com <mailto:florian.heigl@gmail.com>> wrote:
>
>     2011/12/10 chris <tknchris@gmail.com <mailto:tknchris@gmail.com>>:
>     > +1
>     >
>     > I hate how when the vnc connection gets hung for any reason how
>     you lose vnc
>     > access for quite a while and possibly forever
>
>     So that makes 3 of us now for being able to restart vnc server :)
>     would be cool if there still were a Xen wishlist.
>
>     Anyway, next time when that happens do a
>     netstat -na | grep 59 | grep _WAIT
>
>     I think you'll find a stuck connection there. Please let us know.
>
>


-- 
Jordi Moles Blanco
Sistemes Cdmon.com
___________________________
Tlf: 902 36 41 38
Tlf: 93 567 75 77
mailto: jordi@cdmon.com
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    Hi everyone,<br>
    <br>
    well... it's good to know that I haven't come across some nasty and
    very weird bug very difficult to reproduce. <br>
    <br>
    anyway... since the last time I wrote I haven't seen this problem
    anymore, as we have many machines and we don't continuously check
    them all. Next time I see one VNC broken I'll try to check what you
    suggested.<br>
    <br>
    on the other hand, I understand from Florian's words that the
    problem could be a socket that remains open after a normal VNC
    connection. Do you think that we could avoid rebooting the server by
    killing it?<br>
    <br>
    Thanks.<br>
    <br>
    <br>
    Al 10/12/11 20:28, En/na chris ha escrit:
    <blockquote
cite="mid:CAKnNFz-icq_Qw7BzArhDAn0jYDcvXG8cCqvWpnaKe2x17sbW=w@mail.gmail.com"
      type="cite">I recommended xen to a friend a while ago who was
      coming from vmware, he installs it and then plays with it and then
      the vnc gets hung exactly as we're describing and hes like well
      what do I do now and I'm like you gotta kill it. He says are you
      kidding me? It always been one of those things I've wondered how
      so many people have put up with it for so long :)<br>
      <br>
      <div class="gmail_quote">On Sat, Dec 10, 2011 at 1:29 PM, Florian
        Heigl <span dir="ltr">&lt;<a moz-do-not-send="true"
            href="mailto:florian.heigl@gmail.com">florian.heigl@gmail.com</a>&gt;</span>
        wrote:<br>
        <blockquote class="gmail_quote" style="margin:0 0 0
          .8ex;border-left:1px #ccc solid;padding-left:1ex">
          2011/12/10 chris &lt;<a moz-do-not-send="true"
            href="mailto:tknchris@gmail.com">tknchris@gmail.com</a>&gt;:<br>
          <div class="im">&gt; +1<br>
            &gt;<br>
            &gt; I hate how when the vnc connection gets hung for any
            reason how you lose vnc<br>
            &gt; access for quite a while and possibly forever<br>
            <br>
          </div>
          So that makes 3 of us now for being able to restart vnc server
          :)<br>
          would be cool if there still were a Xen wishlist.<br>
          <br>
          Anyway, next time when that happens do a<br>
          netstat -na | grep 59 | grep _WAIT<br>
          <br>
          I think you'll find a stuck connection there. Please let us
          know.<br>
        </blockquote>
      </div>
      <br>
    </blockquote>
    <br>
    <br>
    <pre class="moz-signature" cols="72">-- 
Jordi Moles Blanco
Sistemes Cdmon.com
___________________________
Tlf: 902 36 41 38
Tlf: 93 567 75 77
mailto: <a class="moz-txt-link-abbreviated" href="mailto:jordi@cdmon.com">jordi@cdmon.com</a>
<a class="moz-txt-link-freetext" href="http://www.cdmon.com">http://www.cdmon.com</a>
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Subject: Re: [Xen-users] Missing xenbr0 on XEN Dom0 - CentOS 5.7 X64
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All  - Thanks for your replies !
Fixed after restore /etc/xen/xend-config.sxp from previous backup by
convirt.

On Sat, Dec 10, 2011 at 10:55 PM, Randy Katz <rkatz@simplicityhosting.com>w=
rote:

>  ps - I just upgraded one machine from xen 3 to xen 4 and even though the
> lines were correct in xend-confi
> there was no network. So I commented them out, created ifcfg-xenbr0 and
> made ifcfg-eth0 into a bridge
> to xenbr0, rebooted, and network bridge to xen vm's is now working again.
>
>
> On 12/10/2011 3:06 AM, Randy Katz wrote:
>
> In my experience better to learn and use
> http://wiki.xen.org/xenwiki/HostConfiguration/Networking.html
> then to rely on xend-config.sxp. I believe I ran into a situation where i=
t
> just did not work correctly and once
> I learned how to do it according to the above guide never looked back.
> Anyone feel free to correct me if
> incorrect.
>
> Regards,
>
> >Do you still have a line like: (network-script network-bridge) within
> your xend-config.sxp? This is the "classic" way to let xen setup a" xenbr=
0
> bridge and a line like (vif-script vif-bridge) will attach new DomU's to
> that bridge. But btw it is usually recommended to set up your bridge with
> your OS specific configuration environment instead of let xen doing this.
> hth cheers, Niels.
>
> --
> ----> Randy Katz - *SimplicityHosting.Com, Inc.* - Premium Web Hosting
> Services
> =E2=96=88=E2=96=88 cPanel Shared, VPS, Dedicated, eCommerce, Affiliates
> =E2=96=88=E2=96=88 Custom Configurations and Pricing Available to your Ne=
ed
> ----> http://www.simplicityhosting.com
>
>
> _______________________________________________
> Xen-users mailing listXen-users@lists.xensource.comhttp://lists.xensource=
.com/xen-users
>
>
>
> --
> ----> Randy Katz - *SimplicityHosting.Com, Inc.* - Premium Web Hosting
> Services
> =E2=96=88=E2=96=88 cPanel Shared, VPS, Dedicated, eCommerce, Affiliates
> =E2=96=88=E2=96=88 Custom Configurations and Pricing Available to your Ne=
ed
> ----> http://www.simplicityhosting.com
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>

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All=C2=A0 - Thanks for your replies !<br>Fixed after restore /etc/xen/xend-=
config.sxp from previous backup by convirt. <br><br><div class=3D"gmail_quo=
te">On Sat, Dec 10, 2011 at 10:55 PM, Randy Katz <span dir=3D"ltr">&lt;<a h=
ref=3D"mailto:rkatz@simplicityhosting.com">rkatz@simplicityhosting.com</a>&=
gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
 =20
   =20
 =20
  <div bgcolor=3D"#FFFFFF" text=3D"#000000">
    ps - I just upgraded one machine from xen 3 to xen 4 and even though
    the lines were correct in xend-confi<br>
    there was no network. So I commented them out, created ifcfg-xenbr0
    and made ifcfg-eth0 into a bridge<br>
    to xenbr0, rebooted, and network bridge to xen vm&#39;s is now working
    again.<div><div class=3D"h5"><br>
    <br>
    On 12/10/2011 3:06 AM, Randy Katz wrote:
    </div></div><blockquote type=3D"cite"><div><div class=3D"h5">
     =20
      In my experience better to learn and use <a href=3D"http://wiki.xen.o=
rg/xenwiki/HostConfiguration/Networking.html" target=3D"_blank">http://wiki=
.xen.org/xenwiki/HostConfiguration/Networking.html</a><br>
      then to rely on xend-config.sxp. I believe I ran into a situation
      where it just did not work correctly and once<br>
      I learned how to do it according to the above guide never looked
      back. Anyone feel free to correct me if<br>
      incorrect.<br>
      <br>
      Regards,<br>
      <br>
      &gt;Do you still have a line like: (network-script network-bridge)
      within your xend-config.sxp? This is the &quot;classic&quot; way to l=
et xen
      setup a&quot; xenbr0 bridge and a line like (vif-script vif-bridge)
      will attach new DomU&#39;s to that bridge. But btw it is usually
      recommended to set up your bridge with your OS specific
      configuration environment instead of let xen doing this. hth
      cheers, Niels.<br>
      <br>
      <div>-- <br>
        ----&gt; Randy Katz - <b>SimplicityHosting.Com, Inc.</b> -
        Premium Web Hosting Services<br>
        <font color=3D"YellowGreen">=E2=96=88</font><font color=3D"White">=
=E2=96=88</font>
        cPanel Shared, VPS, Dedicated, eCommerce, Affiliates<br>
        <font color=3D"White">=E2=96=88</font><font color=3D"RoyalBlue">=E2=
=96=88</font>
        Custom Configurations and Pricing Available to your Need<br>
        ----&gt; <a href=3D"http://www.simplicityhosting.com" target=3D"_bl=
ank">http://www.simplicityhosting.com</a></div>
      <br>
      <fieldset></fieldset>
      <br>
      </div></div><pre>_______________________________________________
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ists.xensource.com/xen-users</a></pre>
    </blockquote><div class=3D"im">
    <br>
    <br>
    <div>-- <br>
      ----&gt; Randy Katz - <b>SimplicityHosting.Com, Inc.</b> -
      Premium Web Hosting Services<br>
      <font color=3D"YellowGreen">=E2=96=88</font><font color=3D"White">=E2=
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      cPanel Shared, VPS, Dedicated, eCommerce, Affiliates<br>
      <font color=3D"White">=E2=96=88</font><font color=3D"RoyalBlue">=E2=
=96=88</font>
      Custom Configurations and Pricing Available to your Need<br>
      ----&gt; <a href=3D"http://www.simplicityhosting.com" target=3D"_blan=
k">http://www.simplicityhosting.com</a></div>
  </div></div>

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Subject: Re: [Xen-users] Missing xenbr0 on XEN Dom0 - CentOS 5.7 X64
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All  - Thanks for your replies !
Fixed after restore /etc/xen/xend-config.sxp from previous backup by
convirt.

On Sat, Dec 10, 2011 at 10:55 PM, Randy Katz <rkatz@simplicityhosting.com>w=
rote:

>  ps - I just upgraded one machine from xen 3 to xen 4 and even though the
> lines were correct in xend-confi
> there was no network. So I commented them out, created ifcfg-xenbr0 and
> made ifcfg-eth0 into a bridge
> to xenbr0, rebooted, and network bridge to xen vm's is now working again.
>
>
> On 12/10/2011 3:06 AM, Randy Katz wrote:
>
> In my experience better to learn and use
> http://wiki.xen.org/xenwiki/HostConfiguration/Networking.html
> then to rely on xend-config.sxp. I believe I ran into a situation where i=
t
> just did not work correctly and once
> I learned how to do it according to the above guide never looked back.
> Anyone feel free to correct me if
> incorrect.
>
> Regards,
>
> >Do you still have a line like: (network-script network-bridge) within
> your xend-config.sxp? This is the "classic" way to let xen setup a" xenbr=
0
> bridge and a line like (vif-script vif-bridge) will attach new DomU's to
> that bridge. But btw it is usually recommended to set up your bridge with
> your OS specific configuration environment instead of let xen doing this.
> hth cheers, Niels.
>
> --
> ----> Randy Katz - *SimplicityHosting.Com, Inc.* - Premium Web Hosting
> Services
> =E2=96=88=E2=96=88 cPanel Shared, VPS, Dedicated, eCommerce, Affiliates
> =E2=96=88=E2=96=88 Custom Configurations and Pricing Available to your Ne=
ed
> ----> http://www.simplicityhosting.com
>
>
> _______________________________________________
> Xen-users mailing listXen-users@lists.xensource.comhttp://lists.xensource=
.com/xen-users
>
>
>
> --
> ----> Randy Katz - *SimplicityHosting.Com, Inc.* - Premium Web Hosting
> Services
> =E2=96=88=E2=96=88 cPanel Shared, VPS, Dedicated, eCommerce, Affiliates
> =E2=96=88=E2=96=88 Custom Configurations and Pricing Available to your Ne=
ed
> ----> http://www.simplicityhosting.com
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>

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All=C2=A0 - Thanks for your replies !<br>Fixed after restore /etc/xen/xend-=
config.sxp from previous backup by convirt. <br><br><div class=3D"gmail_quo=
te">On Sat, Dec 10, 2011 at 10:55 PM, Randy Katz <span dir=3D"ltr">&lt;<a h=
ref=3D"mailto:rkatz@simplicityhosting.com">rkatz@simplicityhosting.com</a>&=
gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
 =20
   =20
 =20
  <div bgcolor=3D"#FFFFFF" text=3D"#000000">
    ps - I just upgraded one machine from xen 3 to xen 4 and even though
    the lines were correct in xend-confi<br>
    there was no network. So I commented them out, created ifcfg-xenbr0
    and made ifcfg-eth0 into a bridge<br>
    to xenbr0, rebooted, and network bridge to xen vm&#39;s is now working
    again.<div><div class=3D"h5"><br>
    <br>
    On 12/10/2011 3:06 AM, Randy Katz wrote:
    </div></div><blockquote type=3D"cite"><div><div class=3D"h5">
     =20
      In my experience better to learn and use <a href=3D"http://wiki.xen.o=
rg/xenwiki/HostConfiguration/Networking.html" target=3D"_blank">http://wiki=
.xen.org/xenwiki/HostConfiguration/Networking.html</a><br>
      then to rely on xend-config.sxp. I believe I ran into a situation
      where it just did not work correctly and once<br>
      I learned how to do it according to the above guide never looked
      back. Anyone feel free to correct me if<br>
      incorrect.<br>
      <br>
      Regards,<br>
      <br>
      &gt;Do you still have a line like: (network-script network-bridge)
      within your xend-config.sxp? This is the &quot;classic&quot; way to l=
et xen
      setup a&quot; xenbr0 bridge and a line like (vif-script vif-bridge)
      will attach new DomU&#39;s to that bridge. But btw it is usually
      recommended to set up your bridge with your OS specific
      configuration environment instead of let xen doing this. hth
      cheers, Niels.<br>
      <br>
      <div>-- <br>
        ----&gt; Randy Katz - <b>SimplicityHosting.Com, Inc.</b> -
        Premium Web Hosting Services<br>
        <font color=3D"YellowGreen">=E2=96=88</font><font color=3D"White">=
=E2=96=88</font>
        cPanel Shared, VPS, Dedicated, eCommerce, Affiliates<br>
        <font color=3D"White">=E2=96=88</font><font color=3D"RoyalBlue">=E2=
=96=88</font>
        Custom Configurations and Pricing Available to your Need<br>
        ----&gt; <a href=3D"http://www.simplicityhosting.com" target=3D"_bl=
ank">http://www.simplicityhosting.com</a></div>
      <br>
      <fieldset></fieldset>
      <br>
      </div></div><pre>_______________________________________________
Xen-users mailing list
<a href=3D"mailto:Xen-users@lists.xensource.com" target=3D"_blank">Xen-user=
s@lists.xensource.com</a>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a></pre>
    </blockquote><div class=3D"im">
    <br>
    <br>
    <div>-- <br>
      ----&gt; Randy Katz - <b>SimplicityHosting.Com, Inc.</b> -
      Premium Web Hosting Services<br>
      <font color=3D"YellowGreen">=E2=96=88</font><font color=3D"White">=E2=
=96=88</font>
      cPanel Shared, VPS, Dedicated, eCommerce, Affiliates<br>
      <font color=3D"White">=E2=96=88</font><font color=3D"RoyalBlue">=E2=
=96=88</font>
      Custom Configurations and Pricing Available to your Need<br>
      ----&gt; <a href=3D"http://www.simplicityhosting.com" target=3D"_blan=
k">http://www.simplicityhosting.com</a></div>
  </div></div>

<br>_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.=
com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br></blockquote></div><br>

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From: Russ Garrett <russ@garrett.co.uk>
To: Xen-users@lists.xensource.com
Subject: [Xen-users] Migration issues
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I have an existing cluster of Xen machines to which I'm adding a new
machine. All machines are running Debian Squeeze, Xen 4.0.1, and Linux
2.6.32-5-xen-amd64, and for this test I'm using a Linux PV guest
running the same kernel.

The existing machines have Xeon L5420 (2.5GHz) CPUs, and the new
machine has Xeon L5520 (2.27GHz). CPU settings and DomU CPUID masks
are set so the /proc/cpuinfo "flags" line is identical on both
architectures.

When migrating a VM from the new machine to an old machine, I get
exactly the same behaviour as the bug [1]. The precise version of the
Debian kernel I'm running indicates that it *does* have the patch
referenced in [2], although given all the patching madness I'm only
99.9% sure of that.

When migrating in the opposite direction (from an old machine to the
new machine), I get the following oops (which I suspect might be an
unrelated bug...):

[   46.434736] BUG: unable to handle kernel paging request at 000000000a3d025c
[   46.434736] IP: [<ffffffff810327ea>] fill_pmd+0xe/0xec
[   46.434736] PGD fffffffffffff067 BAD
[   46.434736] Oops: 0000 [#1] SMP
[   46.434736] last sysfs file: /sys/devices/vbd-51713/block/xvda1/removable
[   46.434736] CPU 0
[   46.434736] Modules linked in: snd_pcm snd_timer snd soundcore
snd_page_alloc pcspkr evdev xfs exportfs dm_mod raid1 md_mod
xen_netfront xen_blkfront
[   46.434736] Pid: 793, comm: kstop/0 Not tainted 2.6.32-5-xen-amd64 #1
[   46.434736] RIP: e030:[<ffffffff810327ea>]  [<ffffffff810327ea>]
fill_pmd+0xe/0xec
[   46.434736] RSP: e02b:ffff88000299dd40  EFLAGS: 00010082
[   46.434736] RAX: 0000000000000ff8 RBX: ffffffffff57b000 RCX: ffffffffff57b000
[   46.434736] RDX: 00000000e7496063 RSI: ffffffffff57b000 RDI: ffffc7fffffffff8
[   46.434736] RBP: ffffc7fffffffff8 R08: 0000000000000000 R09: 7fffffffffffffff
[   46.434736] R10: ffffffff8100e63d R11: ffffc90000082000 R12: ffffffffff57b000
[   46.434736] R13: ffffe8fffffe6128 R14: ffff880002939530 R15: ffff880002939530
[   46.434736] FS:  00007fd322026700(0000) GS:ffff880003441000(0000)
knlGS:0000000000000000
[   46.434736] CS:  e033 DS: 0000 ES: 0000 CR0: 000000008005003b
[   46.434736] CR2: 000000000a3d025c CR3: 000000000df04000 CR4: 0000000000002660
[   46.434736] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.434736] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[   46.434736] Process kstop/0 (pid: 793, threadinfo ffff88000299c000,
task ffff880002939530)
[   46.434736] Stack:
[   46.434736]  ffffc90000082000 ffffffff8100c30f ffffffffff57b000
0000000000000884
[   46.434736] <0> 00000000e7496063 ffffffff810328e9 00000002fa6f3067
00000000e7496063
[   46.434736] <0> ffffffff81001000 00000000e7496063 ffffe8fffffe6120
ffffffff810369f3
[   46.434736] Call Trace:
[   46.434736]  [<ffffffff8100c30f>] ? __raw_callee_save_xen_pgd_val+0x11/0x1e
[   46.434736]  [<ffffffff810328e9>] ? set_pte_vaddr_pud+0x21/0x4b
[   46.434736]  [<ffffffff810369f3>] ? __native_set_fixmap+0x24/0x2c
[   46.434736]  [<ffffffff8100d091>] ? xen_set_fixmap+0xcc/0xfb
[   46.434736]  [<ffffffff8100c426>] ? pfn_to_mfn+0xe/0x22
[   46.434736]  [<ffffffff8100bf67>] ? xen_setup_shared_info+0x2d/0x56
[   46.434736]  [<ffffffff8100efdd>] ? xen_post_suspend+0x11/0x90
[   46.434736]  [<ffffffff811f396b>] ? xen_suspend+0x9a/0xc4
[   46.434736]  [<ffffffff8108bd2a>] ? stop_cpu+0x83/0xc6
[   46.434736]  [<ffffffff81062887>] ? worker_thread+0x188/0x21d
[   46.434736]  [<ffffffff8108bca7>] ? stop_cpu+0x0/0xc6
[   46.434736]  [<ffffffff81065eb2>] ? autoremove_wake_function+0x0/0x2e
[   46.434736]  [<ffffffff810626ff>] ? worker_thread+0x0/0x21d
[   46.434736]  [<ffffffff81065be5>] ? kthread+0x79/0x81
[   46.434736]  [<ffffffff81012baa>] ? child_rip+0xa/0x20
[   46.434736]  [<ffffffff81011d61>] ? int_ret_from_sys_call+0x7/0x1b
[   46.434736]  [<ffffffff8101251d>] ? retint_restore_args+0x5/0x6
[   46.434736]  [<ffffffff81012ba0>] ? child_rip+0x0/0x20
[   46.434736] Code: 00 00 48 ba 00 f0 ff ff ff 3f 00 00 41 5a 49 8d
04 04 48 21 d1 5b 5d 48 01 c8 41 5c c3 41 54 49 89 f4 55 48 89 fd 53
48 83 ec 10 <48> 83 3f 00 0f 85 95 00 00 00 e8 37 65 2c 00 48 89 c7 48
89 c3
[   46.434736] RIP  [<ffffffff810327ea>] fill_pmd+0xe/0xec
[   46.434736]  RSP <ffff88000299dd40>
[   46.434736] CR2: 000000000a3d025c
[   46.434736] ---[ end trace 5c8ab14266459bc5 ]---
[   46.434736] ------------[ cut here ]------------
[   46.434736] WARNING: at
/build/buildd-linux-2.6_2.6.32-31-amd64-vrfdM4/linux-2.6-2.6.32/debian/build/source_amd64_xen/kernel/time/timekeeping.c:249
ktime_get+0x22/0xb7()
[   46.434736] Modules linked in: snd_pcm snd_timer snd soundcore
snd_page_alloc pcspkr evdev xfs exportfs dm_mod raid1 md_mod
xen_netfront xen_blkfront
[   46.434736] Pid: 0, comm: swapper Tainted: G      D    2.6.32-5-xen-amd64 #1
[   46.434736] Call Trace:
[   46.434736]  [<ffffffff8106d48b>] ? ktime_get+0x22/0xb7
[   46.434736]  [<ffffffff8106d48b>] ? ktime_get+0x22/0xb7
[   46.434736]  [<ffffffff8104ef10>] ? warn_slowpath_common+0x77/0xa3
[   46.434736]  [<ffffffff8106d48b>] ? ktime_get+0x22/0xb7
[   46.434736]  [<ffffffff810719c1>] ? tick_nohz_stop_sched_tick+0x6f/0x335
[   46.434736]  [<ffffffff81010e82>] ? cpu_idle+0x73/0xda
[   46.434736]  [<ffffffff81509cdd>] ? start_kernel+0x3dc/0x3e8
[   46.434736]  [<ffffffff8150bc93>] ? xen_start_kernel+0x586/0x58a
[   46.434736] ---[ end trace 5c8ab14266459bc6 ]---

Cheers,

[1] https://bugzilla.redhat.com/show_bug.cgi?id=663755
[2] https://bugzilla.redhat.com/show_bug.cgi?id=663755#c20

-- 
Russ Garrett
russ@garrett.co.uk

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From: Russ Garrett <russ@garrett.co.uk>
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Subject: [Xen-users] Migration issues
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I have an existing cluster of Xen machines to which I'm adding a new
machine. All machines are running Debian Squeeze, Xen 4.0.1, and Linux
2.6.32-5-xen-amd64, and for this test I'm using a Linux PV guest
running the same kernel.

The existing machines have Xeon L5420 (2.5GHz) CPUs, and the new
machine has Xeon L5520 (2.27GHz). CPU settings and DomU CPUID masks
are set so the /proc/cpuinfo "flags" line is identical on both
architectures.

When migrating a VM from the new machine to an old machine, I get
exactly the same behaviour as the bug [1]. The precise version of the
Debian kernel I'm running indicates that it *does* have the patch
referenced in [2], although given all the patching madness I'm only
99.9% sure of that.

When migrating in the opposite direction (from an old machine to the
new machine), I get the following oops (which I suspect might be an
unrelated bug...):

[   46.434736] BUG: unable to handle kernel paging request at 000000000a3d025c
[   46.434736] IP: [<ffffffff810327ea>] fill_pmd+0xe/0xec
[   46.434736] PGD fffffffffffff067 BAD
[   46.434736] Oops: 0000 [#1] SMP
[   46.434736] last sysfs file: /sys/devices/vbd-51713/block/xvda1/removable
[   46.434736] CPU 0
[   46.434736] Modules linked in: snd_pcm snd_timer snd soundcore
snd_page_alloc pcspkr evdev xfs exportfs dm_mod raid1 md_mod
xen_netfront xen_blkfront
[   46.434736] Pid: 793, comm: kstop/0 Not tainted 2.6.32-5-xen-amd64 #1
[   46.434736] RIP: e030:[<ffffffff810327ea>]  [<ffffffff810327ea>]
fill_pmd+0xe/0xec
[   46.434736] RSP: e02b:ffff88000299dd40  EFLAGS: 00010082
[   46.434736] RAX: 0000000000000ff8 RBX: ffffffffff57b000 RCX: ffffffffff57b000
[   46.434736] RDX: 00000000e7496063 RSI: ffffffffff57b000 RDI: ffffc7fffffffff8
[   46.434736] RBP: ffffc7fffffffff8 R08: 0000000000000000 R09: 7fffffffffffffff
[   46.434736] R10: ffffffff8100e63d R11: ffffc90000082000 R12: ffffffffff57b000
[   46.434736] R13: ffffe8fffffe6128 R14: ffff880002939530 R15: ffff880002939530
[   46.434736] FS:  00007fd322026700(0000) GS:ffff880003441000(0000)
knlGS:0000000000000000
[   46.434736] CS:  e033 DS: 0000 ES: 0000 CR0: 000000008005003b
[   46.434736] CR2: 000000000a3d025c CR3: 000000000df04000 CR4: 0000000000002660
[   46.434736] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.434736] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[   46.434736] Process kstop/0 (pid: 793, threadinfo ffff88000299c000,
task ffff880002939530)
[   46.434736] Stack:
[   46.434736]  ffffc90000082000 ffffffff8100c30f ffffffffff57b000
0000000000000884
[   46.434736] <0> 00000000e7496063 ffffffff810328e9 00000002fa6f3067
00000000e7496063
[   46.434736] <0> ffffffff81001000 00000000e7496063 ffffe8fffffe6120
ffffffff810369f3
[   46.434736] Call Trace:
[   46.434736]  [<ffffffff8100c30f>] ? __raw_callee_save_xen_pgd_val+0x11/0x1e
[   46.434736]  [<ffffffff810328e9>] ? set_pte_vaddr_pud+0x21/0x4b
[   46.434736]  [<ffffffff810369f3>] ? __native_set_fixmap+0x24/0x2c
[   46.434736]  [<ffffffff8100d091>] ? xen_set_fixmap+0xcc/0xfb
[   46.434736]  [<ffffffff8100c426>] ? pfn_to_mfn+0xe/0x22
[   46.434736]  [<ffffffff8100bf67>] ? xen_setup_shared_info+0x2d/0x56
[   46.434736]  [<ffffffff8100efdd>] ? xen_post_suspend+0x11/0x90
[   46.434736]  [<ffffffff811f396b>] ? xen_suspend+0x9a/0xc4
[   46.434736]  [<ffffffff8108bd2a>] ? stop_cpu+0x83/0xc6
[   46.434736]  [<ffffffff81062887>] ? worker_thread+0x188/0x21d
[   46.434736]  [<ffffffff8108bca7>] ? stop_cpu+0x0/0xc6
[   46.434736]  [<ffffffff81065eb2>] ? autoremove_wake_function+0x0/0x2e
[   46.434736]  [<ffffffff810626ff>] ? worker_thread+0x0/0x21d
[   46.434736]  [<ffffffff81065be5>] ? kthread+0x79/0x81
[   46.434736]  [<ffffffff81012baa>] ? child_rip+0xa/0x20
[   46.434736]  [<ffffffff81011d61>] ? int_ret_from_sys_call+0x7/0x1b
[   46.434736]  [<ffffffff8101251d>] ? retint_restore_args+0x5/0x6
[   46.434736]  [<ffffffff81012ba0>] ? child_rip+0x0/0x20
[   46.434736] Code: 00 00 48 ba 00 f0 ff ff ff 3f 00 00 41 5a 49 8d
04 04 48 21 d1 5b 5d 48 01 c8 41 5c c3 41 54 49 89 f4 55 48 89 fd 53
48 83 ec 10 <48> 83 3f 00 0f 85 95 00 00 00 e8 37 65 2c 00 48 89 c7 48
89 c3
[   46.434736] RIP  [<ffffffff810327ea>] fill_pmd+0xe/0xec
[   46.434736]  RSP <ffff88000299dd40>
[   46.434736] CR2: 000000000a3d025c
[   46.434736] ---[ end trace 5c8ab14266459bc5 ]---
[   46.434736] ------------[ cut here ]------------
[   46.434736] WARNING: at
/build/buildd-linux-2.6_2.6.32-31-amd64-vrfdM4/linux-2.6-2.6.32/debian/build/source_amd64_xen/kernel/time/timekeeping.c:249
ktime_get+0x22/0xb7()
[   46.434736] Modules linked in: snd_pcm snd_timer snd soundcore
snd_page_alloc pcspkr evdev xfs exportfs dm_mod raid1 md_mod
xen_netfront xen_blkfront
[   46.434736] Pid: 0, comm: swapper Tainted: G      D    2.6.32-5-xen-amd64 #1
[   46.434736] Call Trace:
[   46.434736]  [<ffffffff8106d48b>] ? ktime_get+0x22/0xb7
[   46.434736]  [<ffffffff8106d48b>] ? ktime_get+0x22/0xb7
[   46.434736]  [<ffffffff8104ef10>] ? warn_slowpath_common+0x77/0xa3
[   46.434736]  [<ffffffff8106d48b>] ? ktime_get+0x22/0xb7
[   46.434736]  [<ffffffff810719c1>] ? tick_nohz_stop_sched_tick+0x6f/0x335
[   46.434736]  [<ffffffff81010e82>] ? cpu_idle+0x73/0xda
[   46.434736]  [<ffffffff81509cdd>] ? start_kernel+0x3dc/0x3e8
[   46.434736]  [<ffffffff8150bc93>] ? xen_start_kernel+0x586/0x58a
[   46.434736] ---[ end trace 5c8ab14266459bc6 ]---

Cheers,

[1] https://bugzilla.redhat.com/show_bug.cgi?id=663755
[2] https://bugzilla.redhat.com/show_bug.cgi?id=663755#c20

-- 
Russ Garrett
russ@garrett.co.uk

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Subject: [Xen-users] Is this possible? Multi user Xen system with VGA output?
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I was thinking of building a new system for my small apartment.  I'd
like to setup something so 2 people could use the same hardware at
once. What I would like to do is setup a computer with 2 video cards,
2 audio cards and with enough memory to make the OS's happy.  Could
Xen be setup with 2 virtualized windows OS's and could I use the VGA
Pass through feature to direct the output of each Windows OS to it's
own card?

Mike

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I was thinking of building a new system for my small apartment.  I'd
like to setup something so 2 people could use the same hardware at
once. What I would like to do is setup a computer with 2 video cards,
2 audio cards and with enough memory to make the OS's happy.  Could
Xen be setup with 2 virtualized windows OS's and could I use the VGA
Pass through feature to direct the output of each Windows OS to it's
own card?

Mike

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Subject: [Xen-users] Xen-4.2-unstable cannot find yajl-devel
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I wanna install Xen-4.2-unstable on CentOS 5.5 x86-64, but it need
yajl-devel package, which CentOS 5.5 doesn't support. So I decide to
install it from source code. But when I "make tools", it also tells me

./chk build
Xen CHECK-BUILD  Wed Dec 14 00:52:18 CST 2011
Checking check_crypto_lib: OK
Checking check_curl: unused, OK
Checking check_libaio_devel: OK
Checking check_libaio_lib: OK
Checking check_openssl_devel: OK
Checking check_python: OK
Checking check_python_devel: OK
Checking check_uuid_devel: OK
Checking check_x11_devel: OK
Checking check_xgettext: OK
Checking check_xml2: unused, OK
Checking check_yajl_devel:
 *** check_yajl_devel FAILED: can't find libyajl.so
Checking check_yajl_lib:
 *** check_yajl_lib FAILED: can't find libyajl.so.1 version 1

I copied libyajl.so* files to /usr/lib/ and /usr/lib64/ and /usr/local/lib/
and /usr/local/lib64. But the messages are the same.

How can I install yajl-devel on CentOS 5.5.

Thanks.

-- 
Chunqi Li
Department of Computer Science
School of EECS
Peking University
Beijing, China

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I wanna install Xen-4.2-unstable on CentOS 5.5 x86-64, but it need yajl-dev=
el package, which CentOS 5.5 doesn&#39;t support. So I decide to install it=
 from source code. But when I &quot;make tools&quot;, it also tells me=A0<d=
iv>
<br><div><div>./chk build</div><div>Xen CHECK-BUILD =A0Wed Dec 14 00:52:18 =
CST 2011</div><div>Checking check_crypto_lib: OK</div><div>Checking check_c=
url: unused, OK</div><div>Checking check_libaio_devel: OK</div><div>Checkin=
g check_libaio_lib: OK</div>
<div>Checking check_openssl_devel: OK</div><div>Checking check_python: OK</=
div><div>Checking check_python_devel: OK</div><div>Checking check_uuid_deve=
l: OK</div><div>Checking check_x11_devel: OK</div><div>Checking check_xgett=
ext: OK</div>
<div>Checking check_xml2: unused, OK</div><div>Checking check_yajl_devel:=
=A0</div><div>=A0*** check_yajl_devel FAILED: can&#39;t find libyajl.so</di=
v><div>Checking check_yajl_lib:=A0</div><div>=A0*** check_yajl_lib FAILED: =
can&#39;t find libyajl.so.1 version 1</div>
<div><br></div><div>I copied libyajl.so* files to /usr/lib/ and /usr/lib64/=
 and /usr/local/lib/ and /usr/local/lib64. But the messages are the same.</=
div><div><br></div><div>How can I install yajl-devel on CentOS 5.5.</div>
<div><br></div><div>Thanks.</div><div><div><br></div>-- <br>Chunqi Li<br>De=
partment of Computer Science<br>School of EECS<br>Peking University<br>Beij=
ing, China<br>
</div></div></div>

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To: xen-users@lists.xensource.com
Subject: [Xen-users] Xen-4.2-unstable cannot find yajl-devel
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I wanna install Xen-4.2-unstable on CentOS 5.5 x86-64, but it need
yajl-devel package, which CentOS 5.5 doesn't support. So I decide to
install it from source code. But when I "make tools", it also tells me

./chk build
Xen CHECK-BUILD  Wed Dec 14 00:52:18 CST 2011
Checking check_crypto_lib: OK
Checking check_curl: unused, OK
Checking check_libaio_devel: OK
Checking check_libaio_lib: OK
Checking check_openssl_devel: OK
Checking check_python: OK
Checking check_python_devel: OK
Checking check_uuid_devel: OK
Checking check_x11_devel: OK
Checking check_xgettext: OK
Checking check_xml2: unused, OK
Checking check_yajl_devel:
 *** check_yajl_devel FAILED: can't find libyajl.so
Checking check_yajl_lib:
 *** check_yajl_lib FAILED: can't find libyajl.so.1 version 1

I copied libyajl.so* files to /usr/lib/ and /usr/lib64/ and /usr/local/lib/
and /usr/local/lib64. But the messages are the same.

How can I install yajl-devel on CentOS 5.5.

Thanks.

-- 
Chunqi Li
Department of Computer Science
School of EECS
Peking University
Beijing, China

--0016e64ec8f878d24d04b3e79ee4
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I wanna install Xen-4.2-unstable on CentOS 5.5 x86-64, but it need yajl-dev=
el package, which CentOS 5.5 doesn&#39;t support. So I decide to install it=
 from source code. But when I &quot;make tools&quot;, it also tells me=A0<d=
iv>
<br><div><div>./chk build</div><div>Xen CHECK-BUILD =A0Wed Dec 14 00:52:18 =
CST 2011</div><div>Checking check_crypto_lib: OK</div><div>Checking check_c=
url: unused, OK</div><div>Checking check_libaio_devel: OK</div><div>Checkin=
g check_libaio_lib: OK</div>
<div>Checking check_openssl_devel: OK</div><div>Checking check_python: OK</=
div><div>Checking check_python_devel: OK</div><div>Checking check_uuid_deve=
l: OK</div><div>Checking check_x11_devel: OK</div><div>Checking check_xgett=
ext: OK</div>
<div>Checking check_xml2: unused, OK</div><div>Checking check_yajl_devel:=
=A0</div><div>=A0*** check_yajl_devel FAILED: can&#39;t find libyajl.so</di=
v><div>Checking check_yajl_lib:=A0</div><div>=A0*** check_yajl_lib FAILED: =
can&#39;t find libyajl.so.1 version 1</div>
<div><br></div><div>I copied libyajl.so* files to /usr/lib/ and /usr/lib64/=
 and /usr/local/lib/ and /usr/local/lib64. But the messages are the same.</=
div><div><br></div><div>How can I install yajl-devel on CentOS 5.5.</div>
<div><br></div><div>Thanks.</div><div><div><br></div>-- <br>Chunqi Li<br>De=
partment of Computer Science<br>School of EECS<br>Peking University<br>Beij=
ing, China<br>
</div></div></div>

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> Message: 9
> Date: Sun=2C 11 Dec 2011 22:18:50 -0500
> From: "Michael A. Collins" <mike.a.collins@ark-net.org>
> To: <xen-users@lists.xensource.com>
> Subject: Re: [Xen-users] Is this possible? Multi user Xen system with
 > VGA output?
> Message-ID: <20b6442ddb341a36bc6506b1e0098589@192.168.1.11>
> Content-Type: text/plain=3B charset=3DUTF-8=3B format=3Dflowed
=20
> > On 11.12.2011 22:11=2C Mike Vidal wrote:
> > I'd like to build a new PC with 2 video and sounds cards. Then I'd
> > like to use Xen to virtualize 2 windows OS's inside one Dom0 Linux=20
> > OS?
> > I'd like each windows OS to have it's own VGA and sound-card output.
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@lists.xensource.com
> > http://lists.xensource.com/xen-users
> I know you can do the sound easily with GPLPV USB drivers and using usb=20
> sound cards.  I don't know if you can pass arbitrary video cards to=20
> domUs=2C I have only seen people using it for a single domU.  Hope that=20
> helps.
> Mike
>  " I am running such a system=2C i7 with 24 GB ram=2C 2 video cards=2C 2 =
soudncards (1 internal Mobo=2C 1 external/usb)  beware if you VT-d you must=
 add seperate network interface cards to the "desktop" I am using debian 7.=
0 and xen 4.1  use Ati Graphic cards(radeon pref)=2C beware memory for your=
 Windows OS is not usable (VT-d locks memory) for other virtual OS   		 	  =
 		  =

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<html>
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</head>
<body class=3D'hmmessage'><div dir=3D'ltr'>
&gt=3B Message: 9<br>&gt=3B Date: Sun=2C 11 Dec 2011 22:18:50 -0500<br>&gt=
=3B From: "Michael A. Collins" &lt=3Bmike.a.collins@ark-net.org&gt=3B<br>&g=
t=3B To: &lt=3Bxen-users@lists.xensource.com&gt=3B<br>&gt=3B Subject: Re: [=
Xen-users] Is this possible? Multi user Xen system with<br>&nbsp=3B&gt=3B V=
GA output?<br>&gt=3B Message-ID: &lt=3B20b6442ddb341a36bc6506b1e0098589@192=
.168.1.11&gt=3B<br>&gt=3B Content-Type: text/plain=3B charset=3DUTF-8=3B fo=
rmat=3Dflowed<br>&nbsp=3B<br>&gt=3B &gt=3B On 11.12.2011 22:11=2C Mike Vida=
l wrote:<br>&gt=3B &gt=3B I'd like to build a new PC with 2 video and sound=
s cards. Then I'd<br>&gt=3B &gt=3B like to use Xen to virtualize 2 windows =
OS's inside one Dom0 Linux <br>&gt=3B &gt=3B OS?<br>&gt=3B &gt=3B I'd like =
each windows OS to have it's own VGA and sound-card output.<br>&gt=3B &gt=
=3B<br>&gt=3B &gt=3B _______________________________________________<br>&gt=
=3B &gt=3B Xen-users mailing list<br>&gt=3B &gt=3B Xen-users@lists.xensourc=
e.com<br>&gt=3B &gt=3B <a onclick=3D"onClickUnsafeLink(event)=3B" href=3D"h=
ttp://lists.xensource.com/xen-users" target=3D"_blank"><font color=3D"#0068=
cf">http://lists.xensource.com/xen-users</font></a><br>&gt=3B I know you ca=
n do the sound easily with GPLPV USB drivers and using usb <br>&gt=3B sound=
 cards.  I don't know if you can pass arbitrary video cards to <br>&gt=3B d=
omUs=2C I have only seen people using it for a single domU.  Hope that <br>=
&gt=3B helps.<br>&gt=3B Mike<br>&gt=3B&nbsp=3B&nbsp=3B"<BR>&nbsp=3B<BR>I am=
 running such a system=2C i7 with 24 GB ram=2C 2 video cards=2C 2 soudncard=
s (1 internal Mobo=2C 1 external/usb) <BR>&nbsp=3B<BR>beware if you VT-d yo=
u must add seperate network interface cards to the "desktop"&nbsp=3B<BR>I a=
m using debian 7.0 and xen 4.1 <BR>&nbsp=3B<BR>use Ati Graphic cards(radeon=
 pref)=2C beware memory for your Windows OS is not usable (VT-d locks memor=
y) for other virtual OS<BR>&nbsp=3B<BR>&nbsp=3B<BR> 		 	   		  </div></body=
>
</html>=

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> Message: 9
> Date: Sun=2C 11 Dec 2011 22:18:50 -0500
> From: "Michael A. Collins" <mike.a.collins@ark-net.org>
> To: <xen-users@lists.xensource.com>
> Subject: Re: [Xen-users] Is this possible? Multi user Xen system with
 > VGA output?
> Message-ID: <20b6442ddb341a36bc6506b1e0098589@192.168.1.11>
> Content-Type: text/plain=3B charset=3DUTF-8=3B format=3Dflowed
=20
> > On 11.12.2011 22:11=2C Mike Vidal wrote:
> > I'd like to build a new PC with 2 video and sounds cards. Then I'd
> > like to use Xen to virtualize 2 windows OS's inside one Dom0 Linux=20
> > OS?
> > I'd like each windows OS to have it's own VGA and sound-card output.
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@lists.xensource.com
> > http://lists.xensource.com/xen-users
> I know you can do the sound easily with GPLPV USB drivers and using usb=20
> sound cards.  I don't know if you can pass arbitrary video cards to=20
> domUs=2C I have only seen people using it for a single domU.  Hope that=20
> helps.
> Mike
>  " I am running such a system=2C i7 with 24 GB ram=2C 2 video cards=2C 2 =
soudncards (1 internal Mobo=2C 1 external/usb)  beware if you VT-d you must=
 add seperate network interface cards to the "desktop" I am using debian 7.=
0 and xen 4.1  use Ati Graphic cards(radeon pref)=2C beware memory for your=
 Windows OS is not usable (VT-d locks memory) for other virtual OS   		 	  =
 		  =

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<body class=3D'hmmessage'><div dir=3D'ltr'>
&gt=3B Message: 9<br>&gt=3B Date: Sun=2C 11 Dec 2011 22:18:50 -0500<br>&gt=
=3B From: "Michael A. Collins" &lt=3Bmike.a.collins@ark-net.org&gt=3B<br>&g=
t=3B To: &lt=3Bxen-users@lists.xensource.com&gt=3B<br>&gt=3B Subject: Re: [=
Xen-users] Is this possible? Multi user Xen system with<br>&nbsp=3B&gt=3B V=
GA output?<br>&gt=3B Message-ID: &lt=3B20b6442ddb341a36bc6506b1e0098589@192=
.168.1.11&gt=3B<br>&gt=3B Content-Type: text/plain=3B charset=3DUTF-8=3B fo=
rmat=3Dflowed<br>&nbsp=3B<br>&gt=3B &gt=3B On 11.12.2011 22:11=2C Mike Vida=
l wrote:<br>&gt=3B &gt=3B I'd like to build a new PC with 2 video and sound=
s cards. Then I'd<br>&gt=3B &gt=3B like to use Xen to virtualize 2 windows =
OS's inside one Dom0 Linux <br>&gt=3B &gt=3B OS?<br>&gt=3B &gt=3B I'd like =
each windows OS to have it's own VGA and sound-card output.<br>&gt=3B &gt=
=3B<br>&gt=3B &gt=3B _______________________________________________<br>&gt=
=3B &gt=3B Xen-users mailing list<br>&gt=3B &gt=3B Xen-users@lists.xensourc=
e.com<br>&gt=3B &gt=3B <a onclick=3D"onClickUnsafeLink(event)=3B" href=3D"h=
ttp://lists.xensource.com/xen-users" target=3D"_blank"><font color=3D"#0068=
cf">http://lists.xensource.com/xen-users</font></a><br>&gt=3B I know you ca=
n do the sound easily with GPLPV USB drivers and using usb <br>&gt=3B sound=
 cards.  I don't know if you can pass arbitrary video cards to <br>&gt=3B d=
omUs=2C I have only seen people using it for a single domU.  Hope that <br>=
&gt=3B helps.<br>&gt=3B Mike<br>&gt=3B&nbsp=3B&nbsp=3B"<BR>&nbsp=3B<BR>I am=
 running such a system=2C i7 with 24 GB ram=2C 2 video cards=2C 2 soudncard=
s (1 internal Mobo=2C 1 external/usb) <BR>&nbsp=3B<BR>beware if you VT-d yo=
u must add seperate network interface cards to the "desktop"&nbsp=3B<BR>I a=
m using debian 7.0 and xen 4.1 <BR>&nbsp=3B<BR>use Ati Graphic cards(radeon=
 pref)=2C beware memory for your Windows OS is not usable (VT-d locks memor=
y) for other virtual OS<BR>&nbsp=3B<BR>&nbsp=3B<BR> 		 	   		  </div></body=
>
</html>=

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Subject: [Xen-users] Compiling xen tools without external downloads?
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Hi,
when compiling xen tools, some external archiv will get downloaded and 
compiled:

<http://pkgs.fedoraproject.org/gitweb/?p=xen.git;a=blob;f=sources;h=2df57a4edcd22cf2465b257d10dc56dbd90eac87;hb=HEAD#l1>grub-0.97.tar.gz, 
newlib-1.16.0.tar.gz, lwip-1.3.0.tar.gz, pciutils-2.2.9.tar.bz2, 
zlib-1.2.3.tar.gz, ipxe-git-v1.0.0.tar.gz

Some of these are already on the build system (like zlib) and will get 
build and installed twice on the system. I thinking of an security issue 
like e.g. zlib has an bug but wont get fixed, because xen does not use 
the system ones.

Is there a way to use only the pakages which are installed on the system 
and not build them seperately?

Ben


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    Hi,<br>
    when compiling xen tools, some external archiv will get downloaded
    and compiled:<br>
    <br>
    <div class="pre"><a id="l1"
href="http://pkgs.fedoraproject.org/gitweb/?p=xen.git;a=blob;f=sources;h=2df57a4edcd22cf2465b257d10dc56dbd90eac87;hb=HEAD#l1"
        class="linenr"> </a>grub-0.97.tar.gz, newlib-1.16.0.tar.gz,
      lwip-1.3.0.tar.gz, pciutils-2.2.9.tar.bz2, zlib-1.2.3.tar.gz,
      ipxe-git-v1.0.0.tar.gz<br>
      <br>
      Some of these are already on the build system (like zlib) and will
      get build and installed twice on the system. I thinking of an
      security issue like e.g. zlib has an bug but wont get fixed,
      because xen does not use the system ones. <br>
      <br>
      Is there a way to use only the pakages which are installed on the
      system and not build them seperately?<br>
      <br>
      Ben<br>
    </div>
    <br>
  </body>
</html>

--------------080201050808060402060502--


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Hi,
when compiling xen tools, some external archiv will get downloaded and 
compiled:

<http://pkgs.fedoraproject.org/gitweb/?p=xen.git;a=blob;f=sources;h=2df57a4edcd22cf2465b257d10dc56dbd90eac87;hb=HEAD#l1>grub-0.97.tar.gz, 
newlib-1.16.0.tar.gz, lwip-1.3.0.tar.gz, pciutils-2.2.9.tar.bz2, 
zlib-1.2.3.tar.gz, ipxe-git-v1.0.0.tar.gz

Some of these are already on the build system (like zlib) and will get 
build and installed twice on the system. I thinking of an security issue 
like e.g. zlib has an bug but wont get fixed, because xen does not use 
the system ones.

Is there a way to use only the pakages which are installed on the system 
and not build them seperately?

Ben


--------------080201050808060402060502
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<html>
  <head>

    <meta http-equiv="content-type" content="text/html; charset=ISO-8859-15">
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    Hi,<br>
    when compiling xen tools, some external archiv will get downloaded
    and compiled:<br>
    <br>
    <div class="pre"><a id="l1"
href="http://pkgs.fedoraproject.org/gitweb/?p=xen.git;a=blob;f=sources;h=2df57a4edcd22cf2465b257d10dc56dbd90eac87;hb=HEAD#l1"
        class="linenr"> </a>grub-0.97.tar.gz, newlib-1.16.0.tar.gz,
      lwip-1.3.0.tar.gz, pciutils-2.2.9.tar.bz2, zlib-1.2.3.tar.gz,
      ipxe-git-v1.0.0.tar.gz<br>
      <br>
      Some of these are already on the build system (like zlib) and will
      get build and installed twice on the system. I thinking of an
      security issue like e.g. zlib has an bug but wont get fixed,
      because xen does not use the system ones. <br>
      <br>
      Is there a way to use only the pakages which are installed on the
      system and not build them seperately?<br>
      <br>
      Ben<br>
    </div>
    <br>
  </body>
</html>

--------------080201050808060402060502--


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Subject: Re: [Xen-users] Xen-4.2-unstable cannot find yajl-devel
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It works! Thank you.

On Tue, Dec 13, 2011 at 8:46 AM, Michael A. Collins <
mike.a.collins@ark-net.org> wrote:

> On 12.12.2011 11:28, =E6=9D=8E=E6=98=A5=E5=A5=87 wrote:
>
>> I wanna install Xen-4.2-unstable on CentOS 5.5 x86-64, but it need
>> yajl-devel package, which CentOS 5.5 doesnt support. So I decide to
>>
>> install it from source code. But when I "make tools", it also tells
>> me
>>
>> ./chk build
>> Xen CHECK-BUILD  Wed Dec 14 00:52:18 CST 2011
>> Checking check_crypto_lib: OK
>> Checking check_curl: unused, OK
>> Checking check_libaio_devel: OK
>> Checking check_libaio_lib: OK
>> Checking check_openssl_devel: OK
>> Checking check_python: OK
>> Checking check_python_devel: OK
>> Checking check_uuid_devel: OK
>> Checking check_x11_devel: OK
>> Checking check_xgettext: OK
>> Checking check_xml2: unused, OK
>> Checking check_yajl_devel:
>>  *** check_yajl_devel FAILED: cant find libyajl.so
>> Checking check_yajl_lib:
>>  *** check_yajl_lib FAILED: cant find libyajl.so.1 version 1
>>
>>
>> I copied libyajl.so* files to /usr/lib/ and /usr/lib64/ and
>> /usr/local/lib/ and /usr/local/lib64. But the messages are the same.
>>
>> How can I install yajl-devel on CentOS 5.5.
>>
>> Thanks.
>>
>
>
> Remember to run ldconfig after adding new packages from source so your
> build can find it.  That got me the first time I built 4.2-unstable
> Mike
>
> ______________________________**_________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/**xen-users<http://lists.xensource.com/xen-use=
rs>




--=20
Chunqi Li
Department of Computer Science
School of EECS
Peking University
Beijing, China

--20cf307f372ec5971904b3efc3a0
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It works! Thank you.<div><br><div class=3D"gmail_quote">On Tue, Dec 13, 201=
1 at 8:46 AM, Michael A. Collins <span dir=3D"ltr">&lt;<a href=3D"mailto:mi=
ke.a.collins@ark-net.org">mike.a.collins@ark-net.org</a>&gt;</span> wrote:<=
br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div class=3D"im">On 12.12.2011 11:28, =E6=
=9D=8E=E6=98=A5=E5=A5=87 wrote:<br>
</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-l=
eft:1px #ccc solid;padding-left:1ex"><div class=3D"im">
I wanna install Xen-4.2-unstable on CentOS 5.5 x86-64, but it need<br></div=
>
yajl-devel package, which CentOS 5.5 doesnt support. So I decide to<div cla=
ss=3D"im"><br>
install it from source code. But when I &quot;make tools&quot;, it also tel=
ls<br>
me=C2=A0<br>
<br>
./chk build<br>
Xen CHECK-BUILD =C2=A0Wed Dec 14 00:52:18 CST 2011<br>
Checking check_crypto_lib: OK<br>
Checking check_curl: unused, OK<br>
Checking check_libaio_devel: OK<br>
Checking check_libaio_lib: OK<br>
Checking check_openssl_devel: OK<br>
Checking check_python: OK<br>
Checking check_python_devel: OK<br>
Checking check_uuid_devel: OK<br>
Checking check_x11_devel: OK<br>
Checking check_xgettext: OK<br>
Checking check_xml2: unused, OK<br>
Checking check_yajl_devel:=C2=A0<br></div>
=C2=A0*** check_yajl_devel FAILED: cant find libyajl.so<br>
Checking check_yajl_lib:=C2=A0<br>
=C2=A0*** check_yajl_lib FAILED: cant find libyajl.so.1 version 1<div class=
=3D"im"><br>
<br>
I copied libyajl.so* files to /usr/lib/ and /usr/lib64/ and<br>
/usr/local/lib/ and /usr/local/lib64. But the messages are the same.<br>
<br>
How can I install yajl-devel on CentOS 5.5.<br>
<br>
Thanks.<br>
</div></blockquote>
<br>
<br>
Remember to run ldconfig after adding new packages from source so your buil=
d can find it. =C2=A0That got me the first time I built 4.2-unstable<br>
Mike<br>
<br>
______________________________<u></u>_________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com" target=3D"_blank">Xen-user=
s@lists.xensource.com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/<u></u>xen-users</a></blockquote></div><br><br clear=3D"=
all"><div><br></div>-- <br>Chunqi Li<br>Department of Computer Science<br>S=
chool of EECS<br>
Peking University<br>Beijing, China<br>
</div>

--20cf307f372ec5971904b3efc3a0--


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Subject: Re: [Xen-users] Xen-4.2-unstable cannot find yajl-devel
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It works! Thank you.

On Tue, Dec 13, 2011 at 8:46 AM, Michael A. Collins <
mike.a.collins@ark-net.org> wrote:

> On 12.12.2011 11:28, =E6=9D=8E=E6=98=A5=E5=A5=87 wrote:
>
>> I wanna install Xen-4.2-unstable on CentOS 5.5 x86-64, but it need
>> yajl-devel package, which CentOS 5.5 doesnt support. So I decide to
>>
>> install it from source code. But when I "make tools", it also tells
>> me
>>
>> ./chk build
>> Xen CHECK-BUILD  Wed Dec 14 00:52:18 CST 2011
>> Checking check_crypto_lib: OK
>> Checking check_curl: unused, OK
>> Checking check_libaio_devel: OK
>> Checking check_libaio_lib: OK
>> Checking check_openssl_devel: OK
>> Checking check_python: OK
>> Checking check_python_devel: OK
>> Checking check_uuid_devel: OK
>> Checking check_x11_devel: OK
>> Checking check_xgettext: OK
>> Checking check_xml2: unused, OK
>> Checking check_yajl_devel:
>>  *** check_yajl_devel FAILED: cant find libyajl.so
>> Checking check_yajl_lib:
>>  *** check_yajl_lib FAILED: cant find libyajl.so.1 version 1
>>
>>
>> I copied libyajl.so* files to /usr/lib/ and /usr/lib64/ and
>> /usr/local/lib/ and /usr/local/lib64. But the messages are the same.
>>
>> How can I install yajl-devel on CentOS 5.5.
>>
>> Thanks.
>>
>
>
> Remember to run ldconfig after adding new packages from source so your
> build can find it.  That got me the first time I built 4.2-unstable
> Mike
>
> ______________________________**_________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/**xen-users<http://lists.xensource.com/xen-use=
rs>




--=20
Chunqi Li
Department of Computer Science
School of EECS
Peking University
Beijing, China

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It works! Thank you.<div><br><div class=3D"gmail_quote">On Tue, Dec 13, 201=
1 at 8:46 AM, Michael A. Collins <span dir=3D"ltr">&lt;<a href=3D"mailto:mi=
ke.a.collins@ark-net.org">mike.a.collins@ark-net.org</a>&gt;</span> wrote:<=
br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div class=3D"im">On 12.12.2011 11:28, =E6=
=9D=8E=E6=98=A5=E5=A5=87 wrote:<br>
</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-l=
eft:1px #ccc solid;padding-left:1ex"><div class=3D"im">
I wanna install Xen-4.2-unstable on CentOS 5.5 x86-64, but it need<br></div=
>
yajl-devel package, which CentOS 5.5 doesnt support. So I decide to<div cla=
ss=3D"im"><br>
install it from source code. But when I &quot;make tools&quot;, it also tel=
ls<br>
me=C2=A0<br>
<br>
./chk build<br>
Xen CHECK-BUILD =C2=A0Wed Dec 14 00:52:18 CST 2011<br>
Checking check_crypto_lib: OK<br>
Checking check_curl: unused, OK<br>
Checking check_libaio_devel: OK<br>
Checking check_libaio_lib: OK<br>
Checking check_openssl_devel: OK<br>
Checking check_python: OK<br>
Checking check_python_devel: OK<br>
Checking check_uuid_devel: OK<br>
Checking check_x11_devel: OK<br>
Checking check_xgettext: OK<br>
Checking check_xml2: unused, OK<br>
Checking check_yajl_devel:=C2=A0<br></div>
=C2=A0*** check_yajl_devel FAILED: cant find libyajl.so<br>
Checking check_yajl_lib:=C2=A0<br>
=C2=A0*** check_yajl_lib FAILED: cant find libyajl.so.1 version 1<div class=
=3D"im"><br>
<br>
I copied libyajl.so* files to /usr/lib/ and /usr/lib64/ and<br>
/usr/local/lib/ and /usr/local/lib64. But the messages are the same.<br>
<br>
How can I install yajl-devel on CentOS 5.5.<br>
<br>
Thanks.<br>
</div></blockquote>
<br>
<br>
Remember to run ldconfig after adding new packages from source so your buil=
d can find it. =C2=A0That got me the first time I built 4.2-unstable<br>
Mike<br>
<br>
______________________________<u></u>_________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com" target=3D"_blank">Xen-user=
s@lists.xensource.com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/<u></u>xen-users</a></blockquote></div><br><br clear=3D"=
all"><div><br></div>-- <br>Chunqi Li<br>Department of Computer Science<br>S=
chool of EECS<br>
Peking University<br>Beijing, China<br>
</div>

--20cf307f372ec5971904b3efc3a0--


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I just ran across an old article about this and noticed that my servers 
aren't running with these two options set to y:
CONFIG_PREEMPT
CONFIG_PREEMPT_BKL

Should they be?  Thanks.
Mike

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I just ran across an old article about this and noticed that my servers 
aren't running with these two options set to y:
CONFIG_PREEMPT
CONFIG_PREEMPT_BKL

Should they be?  Thanks.
Mike

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From: Andy Smith <andy@strugglers.net>
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Subject: [Xen-users] Are Debian squeeze dom0 kernels subject to this same
	IPv6 GSO	problem?
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Hi,

I have three Debian squeeze servers running:

ii  linux-image-2.6.32-5-xen-amd64          2.6.32-38 Linux 2.6.32 for 64-bit PCs, Xen dom0 support
ii  xen-hypervisor-4.0-amd64                4.0.1-4 The Xen Hypervisor on AMD64

All three servers have Intel gigabit NICs, but one server uses the
e1000e driver and the other two use the igb driver.

They've been in production for around 6 months now and it seems like
somewhat embarrassingly we've only just now discovered a problem
with IPv6 performance on the two servers with the igb driver.

The problem manifests itself as awful TCP performance to a Xen domU,
on the order of 15-30KB/sec data transfer. Doing the same data
transfer from the server dom0 itself does not show the same issue,
and the expected tens of MB/sec data transfer is achieved.

Here's an example tcpdump of when the problem is occurring:

# tcpdump -vpni bond0 'host 2a00:801:0:11::2'
[...]
23:59:00.672905 IP6 (hlim 55, next-header TCP (6) payload length: 4316) 2a00:801:0:11::2.80 > 2001:db8:1f1:f240::2.35241: Flags [P.], cksum 0x62d3 (incorrect -> 0x1c84), seq 15709:19993, ack 127, win 9, options [nop,nop,TS val 1771553020 ecr 1086205224], length 4284
23:59:00.672987 IP6 (hlim 64, next-header ICMPv6 (58) payload length: 1240) 2001:db8:0:1f1::8 > 2a00:801:0:11::2: [icmp6 sum ok] ICMP6, packet too big, length 1240, mtu 1500
23:59:00.673161 IP6 (hlim 63, next-header TCP (6) payload length: 32) 2001:db8:1f1:f240::2.35241 > 2a00:801:0:11::2.80: Flags [.], cksum 0x24e4 (correct), ack 17137, win 716, options [nop,nop,TS val 1086205237 ecr 1771553020], length 0
23:59:00.725659 IP6 (hlim 55, next-header TCP (6) payload length: 1460) 2a00:801:0:11::2.80 > 2001:db8:1f1:f240::2.35241: Flags [.], cksum 0x16de (correct), seq 19993:21421, ack 127, win 9, options [nop,nop,TS val 1771553033 ecr 1086205237], length 1428
23:59:00.725940 IP6 (hlim 63, next-header TCP (6) payload length: 44) 2001:db8:1f1:f240::2.35241 > 2a00:801:0:11::2.80: Flags [.], cksum 0x25f5 (correct), ack 17137, win 716, options [nop,nop,TS val 1086205250 ecr 1771553020,nop,nop,sack 1 {19993:21421}], length 0
[...]
23:59:01.188463 IP6 (hlim 63, next-header TCP (6) payload length: 32) 2001:db8:1f1:f240::2.35241 > 2a00:801:0:11::2.80: Flags [.], cksum 0x0105 (correct), ack 25705, win 1073, options [nop,nop,TS val 1086205366 ecr 1771553149], length 0
23:59:01.240946 IP6 (hlim 55, next-header TCP (6) payload length: 2888) 2a00:801:0:11::2.80 > 2001:db8:1f1:f240::2.35241: Flags [P.], cksum 0x5d3f (incorrect -> 0xf9ef), seq 25705:28561, ack 127, win 9, options [nop,nop,TS val 1771553162 ecr 1086205366], length 2856
23:59:01.241040 IP6 (hlim 64, next-header ICMPv6 (58) payload length: 1240) 2001:db8:0:1f1::8 > 2a00:801:0:11::2: [icmp6 sum ok] ICMP6, packet too big, length 1240, mtu 1500

2a00:801:0:11::2 is speedtest.tele2.net which helpfully hosts files
like http://speedtest.tele2.net/100MB.zip for testing purposes. The
above is the result of me using wget to download that file from a
domU on this server. The domU is at 2001:db8:1f1:f240::2 and the
dom0 is at 2001:db8:0:1f1::8.

What I'm noticing is the occasional incorrect checksum and "ICMPv6
packet too big" messages as seen above around 23:59:00.672905 and
23:59:01.240946 after a packet of length 2856.  These do not occur
on the server with the e1000e driver, where all the packets top out
at 1428. They are always sporadically present on the two servers
with the igb driver where the poor throughput is observed.

I'm wondering if I am hitting something like this:

http://amailbox.org/mailarchive/linux-kvm/2010/2/2/6257539/thread

I have played with disabling and enabling GSO and checksums on every
interface I can, both in dom0 and domUs, and that makes no
difference.

Can anyone confirm that that is the issue here? I don't at present
have another machine with igb NICs around to test this.

Looking at linux-source-2.6.32 on squeeze, it does not have this
patch:

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=8e1e8a4779cb23c1d9f51e9223795e07ec54d77a

although I notice that this commit also touches e1000e where I am
not currently having any problems.

Any ideas?

Cheers,
Andy

_______________________________________________
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Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Date: Tue, 13 Dec 2011 05:10:25 +0000
From: Andy Smith <andy@strugglers.net>
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Subject: [Xen-users] Are Debian squeeze dom0 kernels subject to this same
	IPv6 GSO	problem?
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Hi,

I have three Debian squeeze servers running:

ii  linux-image-2.6.32-5-xen-amd64          2.6.32-38 Linux 2.6.32 for 64-bit PCs, Xen dom0 support
ii  xen-hypervisor-4.0-amd64                4.0.1-4 The Xen Hypervisor on AMD64

All three servers have Intel gigabit NICs, but one server uses the
e1000e driver and the other two use the igb driver.

They've been in production for around 6 months now and it seems like
somewhat embarrassingly we've only just now discovered a problem
with IPv6 performance on the two servers with the igb driver.

The problem manifests itself as awful TCP performance to a Xen domU,
on the order of 15-30KB/sec data transfer. Doing the same data
transfer from the server dom0 itself does not show the same issue,
and the expected tens of MB/sec data transfer is achieved.

Here's an example tcpdump of when the problem is occurring:

# tcpdump -vpni bond0 'host 2a00:801:0:11::2'
[...]
23:59:00.672905 IP6 (hlim 55, next-header TCP (6) payload length: 4316) 2a00:801:0:11::2.80 > 2001:db8:1f1:f240::2.35241: Flags [P.], cksum 0x62d3 (incorrect -> 0x1c84), seq 15709:19993, ack 127, win 9, options [nop,nop,TS val 1771553020 ecr 1086205224], length 4284
23:59:00.672987 IP6 (hlim 64, next-header ICMPv6 (58) payload length: 1240) 2001:db8:0:1f1::8 > 2a00:801:0:11::2: [icmp6 sum ok] ICMP6, packet too big, length 1240, mtu 1500
23:59:00.673161 IP6 (hlim 63, next-header TCP (6) payload length: 32) 2001:db8:1f1:f240::2.35241 > 2a00:801:0:11::2.80: Flags [.], cksum 0x24e4 (correct), ack 17137, win 716, options [nop,nop,TS val 1086205237 ecr 1771553020], length 0
23:59:00.725659 IP6 (hlim 55, next-header TCP (6) payload length: 1460) 2a00:801:0:11::2.80 > 2001:db8:1f1:f240::2.35241: Flags [.], cksum 0x16de (correct), seq 19993:21421, ack 127, win 9, options [nop,nop,TS val 1771553033 ecr 1086205237], length 1428
23:59:00.725940 IP6 (hlim 63, next-header TCP (6) payload length: 44) 2001:db8:1f1:f240::2.35241 > 2a00:801:0:11::2.80: Flags [.], cksum 0x25f5 (correct), ack 17137, win 716, options [nop,nop,TS val 1086205250 ecr 1771553020,nop,nop,sack 1 {19993:21421}], length 0
[...]
23:59:01.188463 IP6 (hlim 63, next-header TCP (6) payload length: 32) 2001:db8:1f1:f240::2.35241 > 2a00:801:0:11::2.80: Flags [.], cksum 0x0105 (correct), ack 25705, win 1073, options [nop,nop,TS val 1086205366 ecr 1771553149], length 0
23:59:01.240946 IP6 (hlim 55, next-header TCP (6) payload length: 2888) 2a00:801:0:11::2.80 > 2001:db8:1f1:f240::2.35241: Flags [P.], cksum 0x5d3f (incorrect -> 0xf9ef), seq 25705:28561, ack 127, win 9, options [nop,nop,TS val 1771553162 ecr 1086205366], length 2856
23:59:01.241040 IP6 (hlim 64, next-header ICMPv6 (58) payload length: 1240) 2001:db8:0:1f1::8 > 2a00:801:0:11::2: [icmp6 sum ok] ICMP6, packet too big, length 1240, mtu 1500

2a00:801:0:11::2 is speedtest.tele2.net which helpfully hosts files
like http://speedtest.tele2.net/100MB.zip for testing purposes. The
above is the result of me using wget to download that file from a
domU on this server. The domU is at 2001:db8:1f1:f240::2 and the
dom0 is at 2001:db8:0:1f1::8.

What I'm noticing is the occasional incorrect checksum and "ICMPv6
packet too big" messages as seen above around 23:59:00.672905 and
23:59:01.240946 after a packet of length 2856.  These do not occur
on the server with the e1000e driver, where all the packets top out
at 1428. They are always sporadically present on the two servers
with the igb driver where the poor throughput is observed.

I'm wondering if I am hitting something like this:

http://amailbox.org/mailarchive/linux-kvm/2010/2/2/6257539/thread

I have played with disabling and enabling GSO and checksums on every
interface I can, both in dom0 and domUs, and that makes no
difference.

Can anyone confirm that that is the issue here? I don't at present
have another machine with igb NICs around to test this.

Looking at linux-source-2.6.32 on squeeze, it does not have this
patch:

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=8e1e8a4779cb23c1d9f51e9223795e07ec54d77a

although I notice that this commit also touches e1000e where I am
not currently having any problems.

Any ideas?

Cheers,
Andy

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

From xen-users-bounces@lists.xensource.com Tue Dec 13 10:50:46 2011
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Date: Tue, 13 Dec 2011 14:49:52 +0400
From: "Eugene S. Sobolev" <sobolev@protei.ru>
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Subject: [Xen-users] BSOD with GPLPV windows drivers
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This is a multi-part message in MIME format.
--------------030501020305080909060204
Content-Type: text/plain; charset=UTF-8; format=flowed
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Hello.
I have encountered a problem with GPLPV drivers for windows.
It is similar (if not the same) as 
http://old-list-archives.xen.org/archives/html/xen-users/2011-02/msg00709.html
Host is running 14 virtual machines with Windows XP. When I'm trying to 
start 15-th windows VM it crashes with code 0x0000007b.
Booting to safe mode or with /nogplpv works ok.
15-th VM works fine if I'm turn off any of other VMs.
I tried to install debug version of GPLPV drivers - it crashes too, but 
with code 0x0000007e.

Xen version: 4.0.2 (OpenSUSE 11.4)
GPLPV 0.11.0.308 (also tried 0.11.0.238)
Windows XP SP3

Screenshots and qemu-dm.log attached.

PS: Host has total 16 processor cores.


-- 
WBR, Eugene S. Sobolev.


--------------030501020305080909060204
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--------------030501020305080909060204
Content-Type: text/x-log;
 name="gplpv-0.11.0.308_debug.log"
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment;
 filename="gplpv-0.11.0.308_debug.log"

12968165470015: XenPCI <-- XenPci_HighSyncCallFunctionN
12968165470015: XenPCI <-- XenPci_HighSyncCallFunction0
12968165470015: XenPCI     Waiting for highsync_complete_event
12968165470031: XenPCI <-- XenPci_HighSync
12968165470031: XenPCI --> XenPci_InitialBalloonDown
12968165470031: XenPCI     base = 0x40000000, Xen Signature = XenVMMXenVMM, EAX = 0x40000003
12968165470031: XenPCI     Hypercall area at 825A8000
12968165470031: XenPCI     XENMEM_maximum_reservation = 132096
12968165470031: XenPCI     XENMEM_current_reservation = 132088
12968165470031: XenPCI     Trying to give 32 KB (0 MB) to Xen
12968165470046: XenPCI <-- XenPci_InitialBalloonDown
12968165470046: XenPCI GPLPV 0.10.0.308
12968165470046: XenPCI --> XenPci_FixLoadOrder
12968165470046: XenPCI     dummy_group_index = 1
12968165470046: XenPCI     wdf_load_group_index = 2
12968165470046: XenPCI     xenpci_group_index = 3
12968165470046: XenPCI     boot_bus_extender_index = 4
12968165470046: XenPCI <-- XenPci_FixLoadOrder
12968165470046: XenPCI     SystemStartOptions = NOEXECUTE=OPTIN  FASTDETECT
12968165470046: XenPCI     Version = 1
Unknown PV product 2 loaded in guest
PV driver build 1
region type 1 at [c100,c200).
region type 0 at [f3001000,f3001100).
squash iomem [f3001000, f3001100).
12968165470156: XenPCI     Disabled qemu devices 03
12968165470156: XenPCI <-- DriverEntry
12968165470812: XenPCI     Xen PCI device found - must be fdo
12968165470812: XenPCI --> XenPci_EvtDeviceAdd_XenPci
12968165470812: XenPCI <-- XenPci_EvtDeviceAdd_XenPci
12968165470843: XenPCI --> XenPci_EvtDevicePrepareHardware
12968165470843: XenPCI     IoPort Address(c000) Length: 256
12968165470843: XenPCI     Private Data: 0x01 0x00 0x00
12968165470843: XenPCI     Memory mapped CSR:(f2000000:0) Length:(16777216)
12968165470843: XenPCI     Memory flags = 0004
12968165470843: XenPCI     Private Data: 0x01 0x01 0x00
12968165470843: XenPCI     irq_number = 01c
12968165470843: XenPCI     irq_vector = 183
12968165470843: XenPCI     irq_level = 007
12968165470843: XenPCI     irq_mode = LevelSensitive
12968165470843: XenPCI     ShareDisposition = CmResourceShareShared
12968165470843: XenPCI <-- XenPci_EvtDevicePrepareHardware
12968165470859: XenPCI --> XenPci_EvtDeviceD0Entry
12968165470859: XenPCI     WdfPowerDeviceD3Final
12968165470859: XenPCI --> XenPci_Init
12968165470859: XenPCI     base = 0x40000000, Xen Signature = XenVMMXenVMM, EAX = 0x40000003
12968165470859: XenPCI     Hypercall area at 825A4000
12968165470859: XenPCI     shared_info_area_unmapped.QuadPart = f2000000
12968165470859: XenPCI     gpfn = f2000
12968165470859: XenPCI     hypervisor memory op (XENMAPSPACE_shared_info) ret = 0
12968165470859: XenPCI <-- XenPci_Init
12968165470859: XenPCI --> GntTbl_Init
12968165470859: XenPCI     grant_frames = 32
12968165470859: XenPCI     grant_entries = 16384
12968165470859: XenPCI     pfn = 238d
12968165470875: XenPCI     Calling HYPERVISOR_memory_op - pfn = 238d
12968165470875: XenPCI     decreased 1 pages for grant table frame 0
12968165470875: XenPCI     pfn = 238e
12968165470875: XenPCI     Calling HYPERVISOR_memory_op - pfn = 238e
12968165470875: XenPCI     decreased 1 pages for grant table frame 1
12968165470875: XenPCI     pfn = 238f
12968165470875: XenPCI     Calling HYPERVISOR_memory_op - pfn = 238f
12968165470875: XenPCI     decreased 1 pages for grant table frame 2
12968165470875: XenPCI     pfn = 2390
12968165470890: XenPCI     Calling HYPERVISOR_memory_op - pfn = 2390
12968165470890: XenPCI     decreased 1 pages for grant table frame 3
12968165470890: XenPCI     pfn = 2391
12968165470890: XenPCI     Calling HYPERVISOR_memory_op - pfn = 2391
12968165470890: XenPCI     decreased 1 pages for grant table frame 4
12968165470890: XenPCI     pfn = 2392
12968165470890: XenPCI     Calling HYPERVISOR_memory_op - pfn = 2392
12968165470890: XenPCI     decreased 1 pages for grant table frame 5
12968165470890: XenPCI     pfn = 2393
12968165470890: XenPCI     Calling HYPERVISOR_memory_op - pfn = 2393
12968165470890: XenPCI     decreased 1 pages for grant table frame 6
12968165470890: XenPCI     pfn = 2394
12968165470890: XenPCI     Calling HYPERVISOR_memory_op - pfn = 2394
12968165470906: XenPCI     decreased 1 pages for grant table frame 7
12968165470906: XenPCI     pfn = 2395
12968165470906: XenPCI     Calling HYPERVISOR_memory_op - pfn = 2395
12968165470906: XenPCI     decreased 1 pages for grant table frame 8
12968165470906: XenPCI     pfn = 2396
12968165470906: XenPCI     Calling HYPERVISOR_memory_op - pfn = 2396
12968165470906: XenPCI     decreased 1 pages for grant table frame 9
12968165470906: XenPCI     pfn = 2397
12968165470906: XenPCI     Calling HYPERVISOR_memory_op - pfn = 2397
12968165470906: XenPCI     decreased 1 pages for grant table frame 10
12968165470921: XenPCI     pfn = 2398
12968165470921: XenPCI     Calling HYPERVISOR_memory_op - pfn = 2398
12968165470921: XenPCI     decreased 1 pages for grant table frame 11
12968165470921: XenPCI     pfn = 2399
12968165470921: XenPCI     Calling HYPERVISOR_memory_op - pfn = 2399
12968165470921: XenPCI     decreased 1 pages for grant table frame 12
12968165470921: XenPCI     pfn = 239a
12968165470921: XenPCI     Calling HYPERVISOR_memory_op - pfn = 239a
12968165470921: XenPCI     decreased 1 pages for grant table frame 13
12968165470921: XenPCI     pfn = 239b
12968165470921: XenPCI     Calling HYPERVISOR_memory_op - pfn = 239b
12968165470921: XenPCI     decreased 1 pages for grant table frame 14
12968165470937: XenPCI     pfn = 239c
12968165470937: XenPCI     Calling HYPERVISOR_memory_op - pfn = 239c
12968165470937: XenPCI     decreased 1 pages for grant table frame 15
12968165470937: XenPCI     pfn = 239d
12968165470937: XenPCI     Calling HYPERVISOR_memory_op - pfn = 239d
12968165470937: XenPCI     decreased 1 pages for grant table frame 16
12968165470937: XenPCI     pfn = 239e
12968165470937: XenPCI     Calling HYPERVISOR_memory_op - pfn = 239e
12968165470937: XenPCI     decreased 1 pages for grant table frame 17
12968165470937: XenPCI     pfn = 239f
12968165470937: XenPCI     Calling HYPERVISOR_memory_op - pfn = 239f
12968165470937: XenPCI     decreased 1 pages for grant table frame 18
12968165470937: XenPCI     pfn = 23a0
12968165470937: XenPCI     Calling HYPERVISOR_memory_op - pfn = 23a0
12968165470937: XenPCI     decreased 1 pages for grant table frame 19
12968165470953: XenPCI     pfn = 23a1
12968165470953: XenPCI     Calling HYPERVISOR_memory_op - pfn = 23a1
12968165470953: XenPCI     decreased 1 pages for grant table frame 20
12968165470953: XenPCI     pfn = 23a2
12968165470953: XenPCI     Calling HYPERVISOR_memory_op - pfn = 23a2
12968165470953: XenPCI     decreased 1 pages for grant table frame 21
12968165470953: XenPCI     pfn = 23a3
12968165470953: XenPCI     Calling HYPERVISOR_memory_op - pfn = 23a3
12968165470953: XenPCI     decreased 1 pages for grant table frame 22
12968165470953: XenPCI     pfn = 23a4
12968165470953: XenPCI     Calling HYPERVISOR_memory_op - pfn = 23a4
12968165470968: XenPCI     decreased 1 pages for grant table frame 23
12968165470968: XenPCI     pfn = 23a5
12968165470968: XenPCI     Calling HYPERVISOR_memory_op - pfn = 23a5
12968165470968: XenPCI     decreased 1 pages for grant table frame 24
12968165470968: XenPCI     pfn = 23a6
12968165470968: XenPCI     Calling HYPERVISOR_memory_op - pfn = 23a6
12968165470968: XenPCI     decreased 1 pages for grant table frame 25
12968165470968: XenPCI     pfn = 23a7
12968165470968: XenPCI     Calling HYPERVISOR_memory_op - pfn = 23a7
12968165470968: XenPCI     decreased 1 pages for grant table frame 26
12968165470968: XenPCI     pfn = 23a8
12968165470968: XenPCI     Calling HYPERVISOR_memory_op - pfn = 23a8
12968165470968: XenPCI     decreased 1 pages for grant table frame 27
12968165470984: XenPCI     pfn = 23a9
12968165470984: XenPCI     Calling HYPERVISOR_memory_op - pfn = 23a9
12968165470984: XenPCI     decreased 1 pages for grant table frame 28
12968165470984: XenPCI     pfn = 23aa
12968165470984: XenPCI     Calling HYPERVISOR_memory_op - pfn = 23aa
12968165470984: XenPCI     decreased 1 pages for grant table frame 29
12968165470984: XenPCI     pfn = 23ab
12968165470984: XenPCI     Calling HYPERVISOR_memory_op - pfn = 23ab
12968165470984: XenPCI     decreased 1 pages for grant table frame 30
12968165470984: XenPCI     pfn = 23ac
12968165470984: XenPCI     Calling HYPERVISOR_memory_op - pfn = 23ac
12968165470984: XenPCI     decreased 1 pages for grant table frame 31
12968165471046: XenPCI --> GntTbl_Map
12968165471046: XenPCI     *** ERROR MAPPING FRAME 31 ***
12968165471046: XenPCI     *** ERROR MAPPING FRAME 30 ***
12968165471046: XenPCI     *** ERROR MAPPING FRAME 29 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 28 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 27 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 26 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 25 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 24 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 23 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 22 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 21 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 20 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 19 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 18 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 17 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 16 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 15 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 14 ***
12968165471062: XenPCI <-- GntTbl_Map
12968165472421: XenPCI <-- GntTbl_Init
12968165472421: XenPCI --> EvtChn_Init
12968165472421: XenPCI --> _hvm_set_parameter
12968165472421: XenPCI HYPERVISOR_hvm_op retval = 0
12968165472421: XenPCI <-- _hvm_set_parameter
12968165472421: XenPCI     hvm_set_parameter(HVM_PARAM_CALLBACK_IRQ, 28) = 0
12968165472421: XenPCI --> EvtChn_AllocIpi
12968165472437: XenPCI <-- EvtChn_AllocIpi
12968165472437: XenPCI --> EvtChn_BindDpc
12968165472437: XenPCI <-- EvtChn_BindDpc
12968165472437: XenPCI     pdo_event_channel = 5
12968165472437: XenPCI <-- EvtChn_Init
12968165472437: XenPCI <-- XenPci_EvtDeviceD0Entry
12968165472437: XenPCI --> EvtChn_EvtInterruptEnable
12968165472437: XenPCI <-- EvtChn_EvtInterruptEnable
12968165472437: XenPCI --> XenPci_EvtDeviceD0EntryPostInterruptsEnabled
12968165472437: XenPCI --> XenBus_Init
12968165472437: XenPCI --> _hvm_get_parameter
12968165472437: XenPCI HYPERVISOR_hvm_op retval = 0
12968165472437: XenPCI <-- _hvm_get_parameter
12968165472437: XenPCI --> _hvm_get_parameter
12968165472437: XenPCI HYPERVISOR_hvm_op retval = 0
12968165472437: XenPCI <-- _hvm_get_parameter
12968165472437: XenPCI --> EvtChn_BindDpc
12968165472437: XenPCI <-- EvtChn_BindDpc
12968165472437: XenPCI <-- XenBus_Init
12968165472453: XenPCI     suspend event channel = 6
12968165472453: XenPCI --> EvtChn_BindDpc
12968165472453: XenPCI <-- EvtChn_BindDpc
12968165472453: XenPCI --> XenPci_SysrqHandler
12968165472453: XenPCI     SysRq Value = (null)
12968165472453: XenPCI <-- XenPci_SysrqHandler
12968165472453: XenPCI --> XenPci_ShutdownHandler
12968165472453: XenPCI     Initial Memory Value = 524288 (524288)
12968165472453: Error reading shutdown path - ENOENT
12968165472453: XenPCI --> XenPci_BalloonThreadProc
12968165472453: XenPCI <-- XenPci_ShutdownHandler
12968165472453: XenPCI     low_mem_event = 825C23C8, state = 0
12968165472453: XenPCI --> XenPci_DeviceWatchHandler
12968165472453: XenPCI <-- XenPci_DeviceWatchHandler
12968165472453: XenPCI <-- XenPci_EvtDeviceD0EntryPostInterruptsEnabled
12968165472453: XenPCI --> XenPci_BalloonHandler
12968165472453: XenPCI --> XenPci_EvtChildListScanForChildren
12968165472468: XenPCI     target memory value = 524288 (524288)
12968165472468: XenPCI     Found path = device/vbd/768
12968165472468: XenPCI     Found path = device/vbd/5632
12968165472468: XenPCI <-- XenPci_BalloonHandler
12968165472468: XenPCI     Got balloon event, current = 524288, target = 524288
12968165472468: XenPCI     Found path = device/vif/0
12968165472468: XenPCI     No change to memory
12968165472468: XenPCI <-- XenPci_EvtChildListScanForChildren
12968165472468: XenPCI --> XenPci_EvtChildListCreateDevice
12968165472468: XenPCI     device = 'vbd', index = '768', path = 'device/vbd/768'
12968165472468: XenPCI <-- XenPci_EvtChildListCreateDevice
12968165472468: XenPCI --> XenPci_EvtChildListCreateDevice
12968165472484: XenPCI     device = 'vbd', index = '5632', path = 'device/vbd/5632'
12968165472484: XenPCI <-- XenPci_EvtChildListCreateDevice
12968165472484: XenPCI --> XenPci_EvtChildListCreateDevice
12968165472484: XenPCI     device = 'vif', index = '0', path = 'device/vif/0'
12968165472484: XenPCI <-- XenPci_EvtChildListCreateDevice
12968165473187: XenVbd --> DriverEntry
12968165473187: XenVbd     IRQL = 0
12968165473187: XenVbd     DriverObject = 824CB200, RegistryPath = 80093A78
12968165473187: XenVbd <-- DriverEntry
12968165473203: XenPCI --> XenPciPdo_EvtDeviceWdmIrpPreprocess_START_DEVICE
12968165473203: XenPCI     device/vbd/768
12968165473203: XenPCI     CmResourceTypeMemory (0)
12968165473203: XenPCI     Start = f2000000, Length = 0
12968165473203: XenPCI     pfn[0] = 00003340
12968165473203: XenPCI     New Start = 0000000003340000, Length = 4096
12968165473203: XenPCI     CmResourceTypeMemory (1)
12968165473203: XenPCI     Start = f2000001, Length = 0
12968165473203: XenPCI <-- XenPciPdo_EvtDeviceWdmIrpPreprocess_START_DEVICE
12968165473218: XenPCI --> XenPciPdo_EvtDevicePrepareHardware
12968165473218: XenPCI <-- XenPciPdo_EvtDevicePrepareHardware
12968165473218: XenPCI --> XenPciPdo_EvtDeviceD0Entry
12968165473218: XenPCI     path = device/vbd/768
12968165473218: XenPCI     WdfPowerDeviceD3Final
12968165473218: XenPCI --> XenPci_GetBackendAndAddWatch
12968165473218: XenPCI <-- XenPci_GetBackendAndAddWatch
12968165473218: XenPCI --> XenPci_UpdateBackendState
12968165473218: XenPCI --> XenConfig_InitConfigPage
12968165473218: XenPCI     fdo_driver_object = 824CB200
12968165473218: XenPCI     Backend State Changed to InitWait
12968165473234: XenPCI     fdo_driver_extension = 824FD008
12968165473234: XenPCI <-- XenPci_UpdateBackendState
12968165473234: XenPCI <-- XenConfig_InitConfigPage
12968165473234: XenPCI --> XenPci_XenConfigDeviceSpecifyBuffers
12968165473234: XenPCI     XEN_INIT_TYPE_RING - ring-ref = 82337000
12968165473234: XenPCI     Grant Entry 16383 for ODPX still in use by ODPX
12968165473234: 
12968165473234: *** Assertion failed: !xpdd->gnttbl_table[ref].flags
12968165473234: ***   Source File: c:\projects\win-pvdrivers.hg\xenpci\gnttbl.c, line 120
12968165473234: 
XenPCI     Bug check 0x0000007E (0x80000003, 0x80531E8D, 0xF8AB46E0, 0xF8AB43DC)
reset requested in cpu_handle_ioreq.
Issued domain 799 reboot

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From xen-users-bounces@lists.xensource.com Tue Dec 13 10:50:46 2011
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Date: Tue, 13 Dec 2011 14:49:52 +0400
From: "Eugene S. Sobolev" <sobolev@protei.ru>
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Subject: [Xen-users] BSOD with GPLPV windows drivers
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Hello.
I have encountered a problem with GPLPV drivers for windows.
It is similar (if not the same) as 
http://old-list-archives.xen.org/archives/html/xen-users/2011-02/msg00709.html
Host is running 14 virtual machines with Windows XP. When I'm trying to 
start 15-th windows VM it crashes with code 0x0000007b.
Booting to safe mode or with /nogplpv works ok.
15-th VM works fine if I'm turn off any of other VMs.
I tried to install debug version of GPLPV drivers - it crashes too, but 
with code 0x0000007e.

Xen version: 4.0.2 (OpenSUSE 11.4)
GPLPV 0.11.0.308 (also tried 0.11.0.238)
Windows XP SP3

Screenshots and qemu-dm.log attached.

PS: Host has total 16 processor cores.


-- 
WBR, Eugene S. Sobolev.


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--------------030501020305080909060204
Content-Type: text/x-log;
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Content-Transfer-Encoding: 7bit
Content-Disposition: attachment;
 filename="gplpv-0.11.0.308_debug.log"

12968165470015: XenPCI <-- XenPci_HighSyncCallFunctionN
12968165470015: XenPCI <-- XenPci_HighSyncCallFunction0
12968165470015: XenPCI     Waiting for highsync_complete_event
12968165470031: XenPCI <-- XenPci_HighSync
12968165470031: XenPCI --> XenPci_InitialBalloonDown
12968165470031: XenPCI     base = 0x40000000, Xen Signature = XenVMMXenVMM, EAX = 0x40000003
12968165470031: XenPCI     Hypercall area at 825A8000
12968165470031: XenPCI     XENMEM_maximum_reservation = 132096
12968165470031: XenPCI     XENMEM_current_reservation = 132088
12968165470031: XenPCI     Trying to give 32 KB (0 MB) to Xen
12968165470046: XenPCI <-- XenPci_InitialBalloonDown
12968165470046: XenPCI GPLPV 0.10.0.308
12968165470046: XenPCI --> XenPci_FixLoadOrder
12968165470046: XenPCI     dummy_group_index = 1
12968165470046: XenPCI     wdf_load_group_index = 2
12968165470046: XenPCI     xenpci_group_index = 3
12968165470046: XenPCI     boot_bus_extender_index = 4
12968165470046: XenPCI <-- XenPci_FixLoadOrder
12968165470046: XenPCI     SystemStartOptions = NOEXECUTE=OPTIN  FASTDETECT
12968165470046: XenPCI     Version = 1
Unknown PV product 2 loaded in guest
PV driver build 1
region type 1 at [c100,c200).
region type 0 at [f3001000,f3001100).
squash iomem [f3001000, f3001100).
12968165470156: XenPCI     Disabled qemu devices 03
12968165470156: XenPCI <-- DriverEntry
12968165470812: XenPCI     Xen PCI device found - must be fdo
12968165470812: XenPCI --> XenPci_EvtDeviceAdd_XenPci
12968165470812: XenPCI <-- XenPci_EvtDeviceAdd_XenPci
12968165470843: XenPCI --> XenPci_EvtDevicePrepareHardware
12968165470843: XenPCI     IoPort Address(c000) Length: 256
12968165470843: XenPCI     Private Data: 0x01 0x00 0x00
12968165470843: XenPCI     Memory mapped CSR:(f2000000:0) Length:(16777216)
12968165470843: XenPCI     Memory flags = 0004
12968165470843: XenPCI     Private Data: 0x01 0x01 0x00
12968165470843: XenPCI     irq_number = 01c
12968165470843: XenPCI     irq_vector = 183
12968165470843: XenPCI     irq_level = 007
12968165470843: XenPCI     irq_mode = LevelSensitive
12968165470843: XenPCI     ShareDisposition = CmResourceShareShared
12968165470843: XenPCI <-- XenPci_EvtDevicePrepareHardware
12968165470859: XenPCI --> XenPci_EvtDeviceD0Entry
12968165470859: XenPCI     WdfPowerDeviceD3Final
12968165470859: XenPCI --> XenPci_Init
12968165470859: XenPCI     base = 0x40000000, Xen Signature = XenVMMXenVMM, EAX = 0x40000003
12968165470859: XenPCI     Hypercall area at 825A4000
12968165470859: XenPCI     shared_info_area_unmapped.QuadPart = f2000000
12968165470859: XenPCI     gpfn = f2000
12968165470859: XenPCI     hypervisor memory op (XENMAPSPACE_shared_info) ret = 0
12968165470859: XenPCI <-- XenPci_Init
12968165470859: XenPCI --> GntTbl_Init
12968165470859: XenPCI     grant_frames = 32
12968165470859: XenPCI     grant_entries = 16384
12968165470859: XenPCI     pfn = 238d
12968165470875: XenPCI     Calling HYPERVISOR_memory_op - pfn = 238d
12968165470875: XenPCI     decreased 1 pages for grant table frame 0
12968165470875: XenPCI     pfn = 238e
12968165470875: XenPCI     Calling HYPERVISOR_memory_op - pfn = 238e
12968165470875: XenPCI     decreased 1 pages for grant table frame 1
12968165470875: XenPCI     pfn = 238f
12968165470875: XenPCI     Calling HYPERVISOR_memory_op - pfn = 238f
12968165470875: XenPCI     decreased 1 pages for grant table frame 2
12968165470875: XenPCI     pfn = 2390
12968165470890: XenPCI     Calling HYPERVISOR_memory_op - pfn = 2390
12968165470890: XenPCI     decreased 1 pages for grant table frame 3
12968165470890: XenPCI     pfn = 2391
12968165470890: XenPCI     Calling HYPERVISOR_memory_op - pfn = 2391
12968165470890: XenPCI     decreased 1 pages for grant table frame 4
12968165470890: XenPCI     pfn = 2392
12968165470890: XenPCI     Calling HYPERVISOR_memory_op - pfn = 2392
12968165470890: XenPCI     decreased 1 pages for grant table frame 5
12968165470890: XenPCI     pfn = 2393
12968165470890: XenPCI     Calling HYPERVISOR_memory_op - pfn = 2393
12968165470890: XenPCI     decreased 1 pages for grant table frame 6
12968165470890: XenPCI     pfn = 2394
12968165470890: XenPCI     Calling HYPERVISOR_memory_op - pfn = 2394
12968165470906: XenPCI     decreased 1 pages for grant table frame 7
12968165470906: XenPCI     pfn = 2395
12968165470906: XenPCI     Calling HYPERVISOR_memory_op - pfn = 2395
12968165470906: XenPCI     decreased 1 pages for grant table frame 8
12968165470906: XenPCI     pfn = 2396
12968165470906: XenPCI     Calling HYPERVISOR_memory_op - pfn = 2396
12968165470906: XenPCI     decreased 1 pages for grant table frame 9
12968165470906: XenPCI     pfn = 2397
12968165470906: XenPCI     Calling HYPERVISOR_memory_op - pfn = 2397
12968165470906: XenPCI     decreased 1 pages for grant table frame 10
12968165470921: XenPCI     pfn = 2398
12968165470921: XenPCI     Calling HYPERVISOR_memory_op - pfn = 2398
12968165470921: XenPCI     decreased 1 pages for grant table frame 11
12968165470921: XenPCI     pfn = 2399
12968165470921: XenPCI     Calling HYPERVISOR_memory_op - pfn = 2399
12968165470921: XenPCI     decreased 1 pages for grant table frame 12
12968165470921: XenPCI     pfn = 239a
12968165470921: XenPCI     Calling HYPERVISOR_memory_op - pfn = 239a
12968165470921: XenPCI     decreased 1 pages for grant table frame 13
12968165470921: XenPCI     pfn = 239b
12968165470921: XenPCI     Calling HYPERVISOR_memory_op - pfn = 239b
12968165470921: XenPCI     decreased 1 pages for grant table frame 14
12968165470937: XenPCI     pfn = 239c
12968165470937: XenPCI     Calling HYPERVISOR_memory_op - pfn = 239c
12968165470937: XenPCI     decreased 1 pages for grant table frame 15
12968165470937: XenPCI     pfn = 239d
12968165470937: XenPCI     Calling HYPERVISOR_memory_op - pfn = 239d
12968165470937: XenPCI     decreased 1 pages for grant table frame 16
12968165470937: XenPCI     pfn = 239e
12968165470937: XenPCI     Calling HYPERVISOR_memory_op - pfn = 239e
12968165470937: XenPCI     decreased 1 pages for grant table frame 17
12968165470937: XenPCI     pfn = 239f
12968165470937: XenPCI     Calling HYPERVISOR_memory_op - pfn = 239f
12968165470937: XenPCI     decreased 1 pages for grant table frame 18
12968165470937: XenPCI     pfn = 23a0
12968165470937: XenPCI     Calling HYPERVISOR_memory_op - pfn = 23a0
12968165470937: XenPCI     decreased 1 pages for grant table frame 19
12968165470953: XenPCI     pfn = 23a1
12968165470953: XenPCI     Calling HYPERVISOR_memory_op - pfn = 23a1
12968165470953: XenPCI     decreased 1 pages for grant table frame 20
12968165470953: XenPCI     pfn = 23a2
12968165470953: XenPCI     Calling HYPERVISOR_memory_op - pfn = 23a2
12968165470953: XenPCI     decreased 1 pages for grant table frame 21
12968165470953: XenPCI     pfn = 23a3
12968165470953: XenPCI     Calling HYPERVISOR_memory_op - pfn = 23a3
12968165470953: XenPCI     decreased 1 pages for grant table frame 22
12968165470953: XenPCI     pfn = 23a4
12968165470953: XenPCI     Calling HYPERVISOR_memory_op - pfn = 23a4
12968165470968: XenPCI     decreased 1 pages for grant table frame 23
12968165470968: XenPCI     pfn = 23a5
12968165470968: XenPCI     Calling HYPERVISOR_memory_op - pfn = 23a5
12968165470968: XenPCI     decreased 1 pages for grant table frame 24
12968165470968: XenPCI     pfn = 23a6
12968165470968: XenPCI     Calling HYPERVISOR_memory_op - pfn = 23a6
12968165470968: XenPCI     decreased 1 pages for grant table frame 25
12968165470968: XenPCI     pfn = 23a7
12968165470968: XenPCI     Calling HYPERVISOR_memory_op - pfn = 23a7
12968165470968: XenPCI     decreased 1 pages for grant table frame 26
12968165470968: XenPCI     pfn = 23a8
12968165470968: XenPCI     Calling HYPERVISOR_memory_op - pfn = 23a8
12968165470968: XenPCI     decreased 1 pages for grant table frame 27
12968165470984: XenPCI     pfn = 23a9
12968165470984: XenPCI     Calling HYPERVISOR_memory_op - pfn = 23a9
12968165470984: XenPCI     decreased 1 pages for grant table frame 28
12968165470984: XenPCI     pfn = 23aa
12968165470984: XenPCI     Calling HYPERVISOR_memory_op - pfn = 23aa
12968165470984: XenPCI     decreased 1 pages for grant table frame 29
12968165470984: XenPCI     pfn = 23ab
12968165470984: XenPCI     Calling HYPERVISOR_memory_op - pfn = 23ab
12968165470984: XenPCI     decreased 1 pages for grant table frame 30
12968165470984: XenPCI     pfn = 23ac
12968165470984: XenPCI     Calling HYPERVISOR_memory_op - pfn = 23ac
12968165470984: XenPCI     decreased 1 pages for grant table frame 31
12968165471046: XenPCI --> GntTbl_Map
12968165471046: XenPCI     *** ERROR MAPPING FRAME 31 ***
12968165471046: XenPCI     *** ERROR MAPPING FRAME 30 ***
12968165471046: XenPCI     *** ERROR MAPPING FRAME 29 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 28 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 27 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 26 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 25 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 24 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 23 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 22 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 21 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 20 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 19 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 18 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 17 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 16 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 15 ***
12968165471062: XenPCI     *** ERROR MAPPING FRAME 14 ***
12968165471062: XenPCI <-- GntTbl_Map
12968165472421: XenPCI <-- GntTbl_Init
12968165472421: XenPCI --> EvtChn_Init
12968165472421: XenPCI --> _hvm_set_parameter
12968165472421: XenPCI HYPERVISOR_hvm_op retval = 0
12968165472421: XenPCI <-- _hvm_set_parameter
12968165472421: XenPCI     hvm_set_parameter(HVM_PARAM_CALLBACK_IRQ, 28) = 0
12968165472421: XenPCI --> EvtChn_AllocIpi
12968165472437: XenPCI <-- EvtChn_AllocIpi
12968165472437: XenPCI --> EvtChn_BindDpc
12968165472437: XenPCI <-- EvtChn_BindDpc
12968165472437: XenPCI     pdo_event_channel = 5
12968165472437: XenPCI <-- EvtChn_Init
12968165472437: XenPCI <-- XenPci_EvtDeviceD0Entry
12968165472437: XenPCI --> EvtChn_EvtInterruptEnable
12968165472437: XenPCI <-- EvtChn_EvtInterruptEnable
12968165472437: XenPCI --> XenPci_EvtDeviceD0EntryPostInterruptsEnabled
12968165472437: XenPCI --> XenBus_Init
12968165472437: XenPCI --> _hvm_get_parameter
12968165472437: XenPCI HYPERVISOR_hvm_op retval = 0
12968165472437: XenPCI <-- _hvm_get_parameter
12968165472437: XenPCI --> _hvm_get_parameter
12968165472437: XenPCI HYPERVISOR_hvm_op retval = 0
12968165472437: XenPCI <-- _hvm_get_parameter
12968165472437: XenPCI --> EvtChn_BindDpc
12968165472437: XenPCI <-- EvtChn_BindDpc
12968165472437: XenPCI <-- XenBus_Init
12968165472453: XenPCI     suspend event channel = 6
12968165472453: XenPCI --> EvtChn_BindDpc
12968165472453: XenPCI <-- EvtChn_BindDpc
12968165472453: XenPCI --> XenPci_SysrqHandler
12968165472453: XenPCI     SysRq Value = (null)
12968165472453: XenPCI <-- XenPci_SysrqHandler
12968165472453: XenPCI --> XenPci_ShutdownHandler
12968165472453: XenPCI     Initial Memory Value = 524288 (524288)
12968165472453: Error reading shutdown path - ENOENT
12968165472453: XenPCI --> XenPci_BalloonThreadProc
12968165472453: XenPCI <-- XenPci_ShutdownHandler
12968165472453: XenPCI     low_mem_event = 825C23C8, state = 0
12968165472453: XenPCI --> XenPci_DeviceWatchHandler
12968165472453: XenPCI <-- XenPci_DeviceWatchHandler
12968165472453: XenPCI <-- XenPci_EvtDeviceD0EntryPostInterruptsEnabled
12968165472453: XenPCI --> XenPci_BalloonHandler
12968165472453: XenPCI --> XenPci_EvtChildListScanForChildren
12968165472468: XenPCI     target memory value = 524288 (524288)
12968165472468: XenPCI     Found path = device/vbd/768
12968165472468: XenPCI     Found path = device/vbd/5632
12968165472468: XenPCI <-- XenPci_BalloonHandler
12968165472468: XenPCI     Got balloon event, current = 524288, target = 524288
12968165472468: XenPCI     Found path = device/vif/0
12968165472468: XenPCI     No change to memory
12968165472468: XenPCI <-- XenPci_EvtChildListScanForChildren
12968165472468: XenPCI --> XenPci_EvtChildListCreateDevice
12968165472468: XenPCI     device = 'vbd', index = '768', path = 'device/vbd/768'
12968165472468: XenPCI <-- XenPci_EvtChildListCreateDevice
12968165472468: XenPCI --> XenPci_EvtChildListCreateDevice
12968165472484: XenPCI     device = 'vbd', index = '5632', path = 'device/vbd/5632'
12968165472484: XenPCI <-- XenPci_EvtChildListCreateDevice
12968165472484: XenPCI --> XenPci_EvtChildListCreateDevice
12968165472484: XenPCI     device = 'vif', index = '0', path = 'device/vif/0'
12968165472484: XenPCI <-- XenPci_EvtChildListCreateDevice
12968165473187: XenVbd --> DriverEntry
12968165473187: XenVbd     IRQL = 0
12968165473187: XenVbd     DriverObject = 824CB200, RegistryPath = 80093A78
12968165473187: XenVbd <-- DriverEntry
12968165473203: XenPCI --> XenPciPdo_EvtDeviceWdmIrpPreprocess_START_DEVICE
12968165473203: XenPCI     device/vbd/768
12968165473203: XenPCI     CmResourceTypeMemory (0)
12968165473203: XenPCI     Start = f2000000, Length = 0
12968165473203: XenPCI     pfn[0] = 00003340
12968165473203: XenPCI     New Start = 0000000003340000, Length = 4096
12968165473203: XenPCI     CmResourceTypeMemory (1)
12968165473203: XenPCI     Start = f2000001, Length = 0
12968165473203: XenPCI <-- XenPciPdo_EvtDeviceWdmIrpPreprocess_START_DEVICE
12968165473218: XenPCI --> XenPciPdo_EvtDevicePrepareHardware
12968165473218: XenPCI <-- XenPciPdo_EvtDevicePrepareHardware
12968165473218: XenPCI --> XenPciPdo_EvtDeviceD0Entry
12968165473218: XenPCI     path = device/vbd/768
12968165473218: XenPCI     WdfPowerDeviceD3Final
12968165473218: XenPCI --> XenPci_GetBackendAndAddWatch
12968165473218: XenPCI <-- XenPci_GetBackendAndAddWatch
12968165473218: XenPCI --> XenPci_UpdateBackendState
12968165473218: XenPCI --> XenConfig_InitConfigPage
12968165473218: XenPCI     fdo_driver_object = 824CB200
12968165473218: XenPCI     Backend State Changed to InitWait
12968165473234: XenPCI     fdo_driver_extension = 824FD008
12968165473234: XenPCI <-- XenPci_UpdateBackendState
12968165473234: XenPCI <-- XenConfig_InitConfigPage
12968165473234: XenPCI --> XenPci_XenConfigDeviceSpecifyBuffers
12968165473234: XenPCI     XEN_INIT_TYPE_RING - ring-ref = 82337000
12968165473234: XenPCI     Grant Entry 16383 for ODPX still in use by ODPX
12968165473234: 
12968165473234: *** Assertion failed: !xpdd->gnttbl_table[ref].flags
12968165473234: ***   Source File: c:\projects\win-pvdrivers.hg\xenpci\gnttbl.c, line 120
12968165473234: 
XenPCI     Bug check 0x0000007E (0x80000003, 0x80531E8D, 0xF8AB46E0, 0xF8AB43DC)
reset requested in cpu_handle_ioreq.
Issued domain 799 reboot

--------------030501020305080909060204
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On 12.12.2011 22:42, Michael A. Collins wrote:
> I just ran across an old article about this and noticed that my
> servers aren't running with these two options set to y:
> CONFIG_PREEMPT
> CONFIG_PREEMPT_BKL
>
> Should they be?  Thanks.
> Mike
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
Nevermind, that article doesn't matter anymore.
Mike

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On 12.12.2011 22:42, Michael A. Collins wrote:
> I just ran across an old article about this and noticed that my
> servers aren't running with these two options set to y:
> CONFIG_PREEMPT
> CONFIG_PREEMPT_BKL
>
> Should they be?  Thanks.
> Mike
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
Nevermind, that article doesn't matter anymore.
Mike

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We are running a 2-node cluster with Debian Squeeze (2.6.32-5-xen-amd64) 
and Xen 4.0.1 on the dom0 and Ubuntu lucid domUs. We are now using fully 
virtualized (HVM) vms. In our configuration the dom0 administers to 
domUs created and run on a SAN box accessed via private network 
(192.168...). A sample configuration file is pasted below.

We have had little or no IO problem with HVMs created and run locally on 
dom0. However, HVMs run on the SAN suffer from VERY feeble IO. Even a 
entry of a single character or entering return will cause the command 
line to freeze for 30 seconds or more.

We have had no IO problems running 'regular' para-virtualised Xen vms on 
the SAN box. (We are choosing HVMs for separate reasons).

As I understand it, perhaps the problem lies with HVM architecture--IO 
having to travel into dom0 before it is handled by the hardware 
emulator(?). But I am not sure why this would slow IO so much.

Are there any parameters we should adjust to enable faster IO for HVMs 
administered on a SAN box?


Any ideas are greatly appreciated!

Ben Weaver



cfg file for an HVM:

[BEGINNING OF FILE]

import os, re
arch = os.uname()[4]
if re.search('64', arch):
         arch_libdir = 'lib64'
else:
         arch_libdir = 'lib'


kernel = "/usr/lib/xen-default/boot/hvmloader"

builder='hvm'

memory = 512
#shadow_memory = 8
name = "lucidxentest3.phon"
vif = [ 'type=ioemu, mac=00:16:3e:6e:76:2b, bridge=eth0' ]
disk = [ 'file:/ocfs2SAN/lucidxentest3.phon.img,hda,w', 
'file:/ocfs2SAN/ubuntu-10.04.2-server-amd64-copy2.iso,hdc:cdrom,r' ]
#disk = [ 'file:/home/xen1.example.com.img,xvda,w', 
'phy:/dev/cdrom,xvdc:cdrom,r' ]
device_model = '/usr/lib/xen-default/bin/qemu-dm'
# boot on floppy (a), hard disk (c) or CD-ROM (d)
# default: hard disk, cd-rom, floppy
#boot="dc"
boot = "c"

sdl=0
vnc=1
#vnclisten='0.0.0.0'
vfb = [ "type=vnc,vncunused=1,vnclisten=0.0.0.0" ]
#vncviewer 127.0.0.1
#vncconsole=1
vncpasswd=''
stdvga=0
serial='pty'
usbdevice='tablet'

on_poweroff = 'destroy'
on_reboot   = 'restart'
on_crash    = 'restart'


device_model = '/usr/' + arch_libdir + '/xen/bin/quemu-dm'

bootloader = "/usr/bin/pygrub"

[END OF FILE]

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Subject: [Xen-users] Xen HVMs run VERY slowly on SAN box
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We are running a 2-node cluster with Debian Squeeze (2.6.32-5-xen-amd64) 
and Xen 4.0.1 on the dom0 and Ubuntu lucid domUs. We are now using fully 
virtualized (HVM) vms. In our configuration the dom0 administers to 
domUs created and run on a SAN box accessed via private network 
(192.168...). A sample configuration file is pasted below.

We have had little or no IO problem with HVMs created and run locally on 
dom0. However, HVMs run on the SAN suffer from VERY feeble IO. Even a 
entry of a single character or entering return will cause the command 
line to freeze for 30 seconds or more.

We have had no IO problems running 'regular' para-virtualised Xen vms on 
the SAN box. (We are choosing HVMs for separate reasons).

As I understand it, perhaps the problem lies with HVM architecture--IO 
having to travel into dom0 before it is handled by the hardware 
emulator(?). But I am not sure why this would slow IO so much.

Are there any parameters we should adjust to enable faster IO for HVMs 
administered on a SAN box?


Any ideas are greatly appreciated!

Ben Weaver



cfg file for an HVM:

[BEGINNING OF FILE]

import os, re
arch = os.uname()[4]
if re.search('64', arch):
         arch_libdir = 'lib64'
else:
         arch_libdir = 'lib'


kernel = "/usr/lib/xen-default/boot/hvmloader"

builder='hvm'

memory = 512
#shadow_memory = 8
name = "lucidxentest3.phon"
vif = [ 'type=ioemu, mac=00:16:3e:6e:76:2b, bridge=eth0' ]
disk = [ 'file:/ocfs2SAN/lucidxentest3.phon.img,hda,w', 
'file:/ocfs2SAN/ubuntu-10.04.2-server-amd64-copy2.iso,hdc:cdrom,r' ]
#disk = [ 'file:/home/xen1.example.com.img,xvda,w', 
'phy:/dev/cdrom,xvdc:cdrom,r' ]
device_model = '/usr/lib/xen-default/bin/qemu-dm'
# boot on floppy (a), hard disk (c) or CD-ROM (d)
# default: hard disk, cd-rom, floppy
#boot="dc"
boot = "c"

sdl=0
vnc=1
#vnclisten='0.0.0.0'
vfb = [ "type=vnc,vncunused=1,vnclisten=0.0.0.0" ]
#vncviewer 127.0.0.1
#vncconsole=1
vncpasswd=''
stdvga=0
serial='pty'
usbdevice='tablet'

on_poweroff = 'destroy'
on_reboot   = 'restart'
on_crash    = 'restart'


device_model = '/usr/' + arch_libdir + '/xen/bin/quemu-dm'

bootloader = "/usr/bin/pygrub"

[END OF FILE]

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From xen-users-bounces@lists.xensource.com Tue Dec 13 20:38:18 2011
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Hi Everyone,

I'm currently mulling over the idea of running our Dom0 on a USB flash 
disk. Currently, we have the Dom0 and DomU running of the same disk 
array. I'd like to know the list's opinion on doing this. It seems like 
a very nice idea to split the single critical Dom0 and the tens of DomUs.

I'd like to stop the DomUs from affecting the disk IOPS available for 
the Dom0 as I'm sure you'll appreciate the critical nature of the it.

Any opinions are very much appreciated

Thanks

_______________________________________________
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Hi Everyone,

I'm currently mulling over the idea of running our Dom0 on a USB flash 
disk. Currently, we have the Dom0 and DomU running of the same disk 
array. I'd like to know the list's opinion on doing this. It seems like 
a very nice idea to split the single critical Dom0 and the tens of DomUs.

I'd like to stop the DomUs from affecting the disk IOPS available for 
the Dom0 as I'm sure you'll appreciate the critical nature of the it.

Any opinions are very much appreciated

Thanks

_______________________________________________
Xen-users mailing list
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From xen-users-bounces@lists.xensource.com Tue Dec 13 20:43:51 2011
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To: Jonathan Tripathy <jonnyt@abpni.co.uk>
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Subject: Re: [Xen-users] Dom0 on USB Stick
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On Tue, Dec 13, 2011 at 3:35 PM, Jonathan Tripathy <jonnyt@abpni.co.uk> wrote:
> I'm currently mulling over the idea of running our Dom0 on a USB flash disk.
> Currently, we have the Dom0 and DomU running of the same disk array. I'd
> like to know the list's opinion on doing this. It seems like a very nice
> idea to split the single critical Dom0 and the tens of DomUs.

better yet, make all of Dom0 fit in the rdimage, and pull it via PXE

-- 
Javier

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From: Javier Guerra Giraldez <javier@guerrag.com>
To: Jonathan Tripathy <jonnyt@abpni.co.uk>
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Subject: Re: [Xen-users] Dom0 on USB Stick
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On Tue, Dec 13, 2011 at 3:35 PM, Jonathan Tripathy <jonnyt@abpni.co.uk> wrote:
> I'm currently mulling over the idea of running our Dom0 on a USB flash disk.
> Currently, we have the Dom0 and DomU running of the same disk array. I'd
> like to know the list's opinion on doing this. It seems like a very nice
> idea to split the single critical Dom0 and the tens of DomUs.

better yet, make all of Dom0 fit in the rdimage, and pull it via PXE

-- 
Javier

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From: John Sherwood <jrs@vt.edu>
To: Jonathan Tripathy <jonnyt@abpni.co.uk>
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Subject: Re: [Xen-users] Dom0 on USB Stick
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You can certainly do it, but I'd suggest using something like PXEboot
instead.

On Tue, Dec 13, 2011 at 3:35 PM, Jonathan Tripathy <jonnyt@abpni.co.uk>wrote:

> Hi Everyone,
>
> I'm currently mulling over the idea of running our Dom0 on a USB flash
> disk. Currently, we have the Dom0 and DomU running of the same disk array.
> I'd like to know the list's opinion on doing this. It seems like a very
> nice idea to split the single critical Dom0 and the tens of DomUs.
>
> I'd like to stop the DomUs from affecting the disk IOPS available for the
> Dom0 as I'm sure you'll appreciate the critical nature of the it.
>
> Any opinions are very much appreciated
>
> Thanks
>
> ______________________________**_________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/**xen-users<http://lists.xensource.com/xen-users>
>

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You can certainly do it, but I&#39;d suggest using something like PXEboot i=
nstead.<br><br><div class=3D"gmail_quote">On Tue, Dec 13, 2011 at 3:35 PM, =
Jonathan Tripathy <span dir=3D"ltr">&lt;<a href=3D"mailto:jonnyt@abpni.co.u=
k" target=3D"_blank">jonnyt@abpni.co.uk</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
Hi Everyone,<br>
<br>
I&#39;m currently mulling over the idea of running our Dom0 on a USB flash =
disk. Currently, we have the Dom0 and DomU running of the same disk array. =
I&#39;d like to know the list&#39;s opinion on doing this. It seems like a =
very nice idea to split the single critical Dom0 and the tens of DomUs.<br>


<br>
I&#39;d like to stop the DomUs from affecting the disk IOPS available for t=
he Dom0 as I&#39;m sure you&#39;ll appreciate the critical nature of the it=
.<br>
<br>
Any opinions are very much appreciated<br>
<br>
Thanks<br>
<br>
______________________________<u></u>_________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com" target=3D"_blank">Xen-user=
s@lists.xensource.com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/<u></u>xen-users</a><br>
</blockquote></div><br>

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Subject: Re: [Xen-users] Dom0 on USB Stick
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You can certainly do it, but I'd suggest using something like PXEboot
instead.

On Tue, Dec 13, 2011 at 3:35 PM, Jonathan Tripathy <jonnyt@abpni.co.uk>wrote:

> Hi Everyone,
>
> I'm currently mulling over the idea of running our Dom0 on a USB flash
> disk. Currently, we have the Dom0 and DomU running of the same disk array.
> I'd like to know the list's opinion on doing this. It seems like a very
> nice idea to split the single critical Dom0 and the tens of DomUs.
>
> I'd like to stop the DomUs from affecting the disk IOPS available for the
> Dom0 as I'm sure you'll appreciate the critical nature of the it.
>
> Any opinions are very much appreciated
>
> Thanks
>
> ______________________________**_________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/**xen-users<http://lists.xensource.com/xen-users>
>

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You can certainly do it, but I&#39;d suggest using something like PXEboot i=
nstead.<br><br><div class=3D"gmail_quote">On Tue, Dec 13, 2011 at 3:35 PM, =
Jonathan Tripathy <span dir=3D"ltr">&lt;<a href=3D"mailto:jonnyt@abpni.co.u=
k" target=3D"_blank">jonnyt@abpni.co.uk</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
Hi Everyone,<br>
<br>
I&#39;m currently mulling over the idea of running our Dom0 on a USB flash =
disk. Currently, we have the Dom0 and DomU running of the same disk array. =
I&#39;d like to know the list&#39;s opinion on doing this. It seems like a =
very nice idea to split the single critical Dom0 and the tens of DomUs.<br>


<br>
I&#39;d like to stop the DomUs from affecting the disk IOPS available for t=
he Dom0 as I&#39;m sure you&#39;ll appreciate the critical nature of the it=
.<br>
<br>
Any opinions are very much appreciated<br>
<br>
Thanks<br>
<br>
______________________________<u></u>_________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com" target=3D"_blank">Xen-user=
s@lists.xensource.com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/<u></u>xen-users</a><br>
</blockquote></div><br>

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Subject: Re: [Xen-users] Dom0 on USB Stick
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On 13/12/2011 20:41, Javier Guerra Giraldez wrote:
> On Tue, Dec 13, 2011 at 3:35 PM, Jonathan Tripathy<jonnyt@abpni.co.uk>  wrote:
>> I'm currently mulling over the idea of running our Dom0 on a USB flash disk.
>> Currently, we have the Dom0 and DomU running of the same disk array. I'd
>> like to know the list's opinion on doing this. It seems like a very nice
>> idea to split the single critical Dom0 and the tens of DomUs.
> better yet, make all of Dom0 fit in the rdimage, and pull it via PXE
Thanks for the suggestion. Can you please explain to me what an rdimage 
is? Also, I'm guessing that PXE is more reliably than USB sticks as PXE 
images can ultimately come from a metal spindle on another server?

Thanks

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Subject: Re: [Xen-users] Dom0 on USB Stick
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On 13/12/2011 20:41, Javier Guerra Giraldez wrote:
> On Tue, Dec 13, 2011 at 3:35 PM, Jonathan Tripathy<jonnyt@abpni.co.uk>  wrote:
>> I'm currently mulling over the idea of running our Dom0 on a USB flash disk.
>> Currently, we have the Dom0 and DomU running of the same disk array. I'd
>> like to know the list's opinion on doing this. It seems like a very nice
>> idea to split the single critical Dom0 and the tens of DomUs.
> better yet, make all of Dom0 fit in the rdimage, and pull it via PXE
Thanks for the suggestion. Can you please explain to me what an rdimage 
is? Also, I'm guessing that PXE is more reliably than USB sticks as PXE 
images can ultimately come from a metal spindle on another server?

Thanks

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Subject: Re: [Xen-users] Dom0 on USB Stick
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On 13/12/2011 20:53, Jonathan Tripathy wrote:
>
> On 13/12/2011 20:41, Javier Guerra Giraldez wrote:
>> On Tue, Dec 13, 2011 at 3:35 PM, Jonathan 
>> Tripathy<jonnyt@abpni.co.uk>  wrote:
>>> I'm currently mulling over the idea of running our Dom0 on a USB 
>>> flash disk.
>>> Currently, we have the Dom0 and DomU running of the same disk array. 
>>> I'd
>>> like to know the list's opinion on doing this. It seems like a very 
>>> nice
>>> idea to split the single critical Dom0 and the tens of DomUs.
>> better yet, make all of Dom0 fit in the rdimage, and pull it via PXE
> Thanks for the suggestion. Can you please explain to me what an 
> rdimage is? Also, I'm guessing that PXE is more reliably than USB 
> sticks as PXE images can ultimately come from a metal spindle on 
> another server?
>
> Thanks
Ah silly me! That's the initrd of course. Does anyone have any tips on 
how to put an entire Dom0 in the initrd? Would an alternative to this be 
the nfs mount the root filesystem (Assuming that Xen and Dom0 kernel 
came from a PXE server)?

Thanks

_______________________________________________
Xen-users mailing list
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http://lists.xensource.com/xen-users

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Subject: Re: [Xen-users] Dom0 on USB Stick
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On 13/12/2011 20:53, Jonathan Tripathy wrote:
>
> On 13/12/2011 20:41, Javier Guerra Giraldez wrote:
>> On Tue, Dec 13, 2011 at 3:35 PM, Jonathan 
>> Tripathy<jonnyt@abpni.co.uk>  wrote:
>>> I'm currently mulling over the idea of running our Dom0 on a USB 
>>> flash disk.
>>> Currently, we have the Dom0 and DomU running of the same disk array. 
>>> I'd
>>> like to know the list's opinion on doing this. It seems like a very 
>>> nice
>>> idea to split the single critical Dom0 and the tens of DomUs.
>> better yet, make all of Dom0 fit in the rdimage, and pull it via PXE
> Thanks for the suggestion. Can you please explain to me what an 
> rdimage is? Also, I'm guessing that PXE is more reliably than USB 
> sticks as PXE images can ultimately come from a metal spindle on 
> another server?
>
> Thanks
Ah silly me! That's the initrd of course. Does anyone have any tips on 
how to put an entire Dom0 in the initrd? Would an alternative to this be 
the nfs mount the root filesystem (Assuming that Xen and Dom0 kernel 
came from a PXE server)?

Thanks

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Hi Jan -

I just upgraded yesterday from suse 11.4 to 12.1. 12.1 only has xen-libs, and 
xen-tools (both 4.1.2) is for a domu. (Technically, a dom0 is just a 
privileged domu. None the less, 11.4 had a xen-tools *and* a xen-tools-domu.) 
There is no xen hypervisor - my /boot/xen.gz is still the 4.0.2 from 11.4 - or 
any xen rpm at all. No /etc/xen, /etc/udev, /usr/lib/xen, xend, xm, xl, etc.

Do you have some insight into what the hold up is? Thanx.

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Hi Jan -

I just upgraded yesterday from suse 11.4 to 12.1. 12.1 only has xen-libs, and 
xen-tools (both 4.1.2) is for a domu. (Technically, a dom0 is just a 
privileged domu. None the less, 11.4 had a xen-tools *and* a xen-tools-domu.) 
There is no xen hypervisor - my /boot/xen.gz is still the 4.0.2 from 11.4 - or 
any xen rpm at all. No /etc/xen, /etc/udev, /usr/lib/xen, xend, xm, xl, etc.

Do you have some insight into what the hold up is? Thanx.

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Subject: Re: [Xen-users] Dom0 on USB Stick
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Jonathan Tripathy wrote:

>I'm currently mulling over the idea of running our Dom0 on a USB 
>flash disk. Currently, we have the Dom0 and DomU running of the same 
>disk array. I'd like to know the list's opinion on doing this. It 
>seems like a very nice idea to split the single critical Dom0 and 
>the tens of DomUs.
>
>I'd like to stop the DomUs from affecting the disk IOPS available 
>for the Dom0 as I'm sure you'll appreciate the critical nature of 
>the it.

I'm not sure what you'd gain. Once the system is running, Dom0 
shouldn't be doing much (if any) disk I/O - and if it is, then doing 
it to a USB memory stick is likely to be more of a bottleneck to the 
system as a whole than a few deeks on the hard disk(s).

-- 
Simon Hobson

Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
author Gladys Hobson. Novels - poetry - short stories - ideal as
Christmas stocking fillers. Some available as e-books.

_______________________________________________
Xen-users mailing list
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http://lists.xensource.com/xen-users

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Date: Tue, 13 Dec 2011 22:28:59 +0000
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Subject: Re: [Xen-users] Dom0 on USB Stick
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Jonathan Tripathy wrote:

>I'm currently mulling over the idea of running our Dom0 on a USB 
>flash disk. Currently, we have the Dom0 and DomU running of the same 
>disk array. I'd like to know the list's opinion on doing this. It 
>seems like a very nice idea to split the single critical Dom0 and 
>the tens of DomUs.
>
>I'd like to stop the DomUs from affecting the disk IOPS available 
>for the Dom0 as I'm sure you'll appreciate the critical nature of 
>the it.

I'm not sure what you'd gain. Once the system is running, Dom0 
shouldn't be doing much (if any) disk I/O - and if it is, then doing 
it to a USB memory stick is likely to be more of a bottleneck to the 
system as a whole than a few deeks on the hard disk(s).

-- 
Simon Hobson

Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
author Gladys Hobson. Novels - poetry - short stories - ideal as
Christmas stocking fillers. Some available as e-books.

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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On 13/12/2011 22:28, Simon Hobson wrote:
> Jonathan Tripathy wrote:
>
>> I'm currently mulling over the idea of running our Dom0 on a USB 
>> flash disk. Currently, we have the Dom0 and DomU running of the same 
>> disk array. I'd like to know the list's opinion on doing this. It 
>> seems like a very nice idea to split the single critical Dom0 and the 
>> tens of DomUs.
>>
>> I'd like to stop the DomUs from affecting the disk IOPS available for 
>> the Dom0 as I'm sure you'll appreciate the critical nature of the it.
>
> I'm not sure what you'd gain. Once the system is running, Dom0 
> shouldn't be doing much (if any) disk I/O - and if it is, then doing 
> it to a USB memory stick is likely to be more of a bottleneck to the 
> system as a whole than a few deeks on the hard disk(s).
Hi Simon,

Sometimes during times when the DomUs are busy, xm commands take a long 
time to execute. I always presumed that this was due to disk IO. Could 
it be something else?

Thanks

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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On 13/12/2011 22:28, Simon Hobson wrote:
> Jonathan Tripathy wrote:
>
>> I'm currently mulling over the idea of running our Dom0 on a USB 
>> flash disk. Currently, we have the Dom0 and DomU running of the same 
>> disk array. I'd like to know the list's opinion on doing this. It 
>> seems like a very nice idea to split the single critical Dom0 and the 
>> tens of DomUs.
>>
>> I'd like to stop the DomUs from affecting the disk IOPS available for 
>> the Dom0 as I'm sure you'll appreciate the critical nature of the it.
>
> I'm not sure what you'd gain. Once the system is running, Dom0 
> shouldn't be doing much (if any) disk I/O - and if it is, then doing 
> it to a USB memory stick is likely to be more of a bottleneck to the 
> system as a whole than a few deeks on the hard disk(s).
Hi Simon,

Sometimes during times when the DomUs are busy, xm commands take a long 
time to execute. I always presumed that this was due to disk IO. Could 
it be something else?

Thanks

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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----- Original Message -----
From: jim burns <jim_burn@bellsouth.net>
To: xen-devel@lists.xensource.com; JBeulich@suse.com
Cc: xen-users@lists.xensource.com
Sent: Tuesday, December 13, 2011 1:27 PM
Subject: [Xen-users] openSUSE 12.1 does not have complete xen rpms

Hi Jan -

I just upgraded yesterday from suse 11.4 to 12.1. 12.1 only has xen-libs, and 
xen-tools (both 4.1.2) is for a domu. (Technically, a dom0 is just a 
privileged domu. None the less, 11.4 had a xen-tools *and* a xen-tools-domu.) 
There is no xen hypervisor - my /boot/xen.gz is still the 4.0.2 from 11.4 - or 
any xen rpm at all. No /etc/xen, /etc/udev, /usr/lib/xen, xend, xm, xl, etc.

Do you have some insight into what the hold up is? Thanx.

-------------------

Move to x86_64 and you will have a complete dom0 upgrade. Its true that
i586 is not supporting a full dom0.

-- 
Mark


_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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----- Original Message -----
From: jim burns <jim_burn@bellsouth.net>
To: xen-devel@lists.xensource.com; JBeulich@suse.com
Cc: xen-users@lists.xensource.com
Sent: Tuesday, December 13, 2011 1:27 PM
Subject: [Xen-users] openSUSE 12.1 does not have complete xen rpms

Hi Jan -

I just upgraded yesterday from suse 11.4 to 12.1. 12.1 only has xen-libs, and 
xen-tools (both 4.1.2) is for a domu. (Technically, a dom0 is just a 
privileged domu. None the less, 11.4 had a xen-tools *and* a xen-tools-domu.) 
There is no xen hypervisor - my /boot/xen.gz is still the 4.0.2 from 11.4 - or 
any xen rpm at all. No /etc/xen, /etc/udev, /usr/lib/xen, xend, xm, xl, etc.

Do you have some insight into what the hold up is? Thanx.

-------------------

Move to x86_64 and you will have a complete dom0 upgrade. Its true that
i586 is not supporting a full dom0.

-- 
Mark


_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Subject: Re: [Xen-users] Dom0 on USB Stick
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On 13/12/2011 22:55, xenusers wrote:
>
>
> On Tue, Dec 13, 2011 at 4:39 PM, Jonathan Tripathy <jonnyt@abpni.co.uk 
> <mailto:jonnyt@abpni.co.uk>> wrote:
>
>
>     On 13/12/2011 22:28, Simon Hobson wrote:
>
>         Jonathan Tripathy wrote:
>
>             I'm currently mulling over the idea of running our Dom0 on
>             a USB flash disk. Currently, we have the Dom0 and DomU
>             running of the same disk array. I'd like to know the
>             list's opinion on doing this. It seems like a very nice
>             idea to split the single critical Dom0 and the tens of DomUs.
>
>             I'd like to stop the DomUs from affecting the disk IOPS
>             available for the Dom0 as I'm sure you'll appreciate the
>             critical nature of the it.
>
>
>         I'm not sure what you'd gain. Once the system is running, Dom0
>         shouldn't be doing much (if any) disk I/O - and if it is, then
>         doing it to a USB memory stick is likely to be more of a
>         bottleneck to the system as a whole than a few deeks on the
>         hard disk(s).
>
>     Hi Simon,
>
>     Sometimes during times when the DomUs are busy, xm commands take a
>     long time to execute. I always presumed that this was due to disk
>     IO. Could it be something else?
>
>     Thanks
>
>
> Hi Jonathan,
>
> I don't know what hardware you're running on, but I can tell you that 
> I'm running Xen on some clustered PowerEdge R815s (48 cores, 64GB 
> RAM).  During initial setup and testing, I hadn't pinned Dom0 to just 
> specific cores, we were just letting it run as-is while we were 
> ironing out the pacemaker configuration to cluster them.  The Xen 
> resource agent was occasionally timing out (meaning an 'xm list --long 
> <domu name>' was taking more than 30 seconds to complete) and 
> restarting the DomUs.  I was somewhat baffled, as these servers were 
> oviously very bored with a testing-only load of a few guests.  I could 
> run the command in a loop, sleeping for a second each time, and sure 
> enough it was rather slow... very frequently taking 10 to 15 seconds 
> to complete when there were two DomUs running, occasionally 45 seconds 
> or more.  Similarly, 'xm info' would take ages to return every few 
> times it was run.
>
> Long story short (too late?), I added the "dom0_max_vcpus=2 
> dom0_vcpus_pin" arguments to the grub commandline for Xen.  Configured 
> all DomUs to stay off of those cores with 'cpus="2-47"' in their 
> config files.  No other changes made to the setup at all, but now the 
> commands return almost instantly, every single time.  Giving dom0 only 
> two cores completely resolved the issue for us.
>
> Regards,
> Mark
Hi Mark,

Thanks for sharing the above info.

Indeed, my issue could be related to CPU. I have found that the issue 
isn't so bad on our newer servers (which have better CPUs in them). 
Unfortunately, we don't have enough cores to be able to dedicate an 
entire core to the Dom0.

I guess this isn't the worst issue in the world for us, as the delay is 
acceptable on our newer servers. Now, on our older servers (which are 
due to be replaced fairly soon), the times can be as long as 30 - 60 
seconds which is clearly too long!

Cheers

Jonathan

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    <br>
    On 13/12/2011 22:55, xenusers wrote:
    <blockquote
cite="mid:CAP31a4AC96A=VZdUbUyvMHVsDpi2M=zrvCqD0O1T+cN-pLM-1g@mail.gmail.com"
      type="cite"><br>
      <br>
      <div class="gmail_quote">On Tue, Dec 13, 2011 at 4:39 PM, Jonathan
        Tripathy <span dir="ltr">&lt;<a moz-do-not-send="true"
            href="mailto:jonnyt@abpni.co.uk">jonnyt@abpni.co.uk</a>&gt;</span>
        wrote:<br>
        <blockquote class="gmail_quote" style="margin:0 0 0
          .8ex;border-left:1px #ccc solid;padding-left:1ex">
          <div class="im"><br>
            On 13/12/2011 22:28, Simon Hobson wrote:<br>
            <blockquote class="gmail_quote" style="margin:0 0 0
              .8ex;border-left:1px #ccc solid;padding-left:1ex">
              Jonathan Tripathy wrote:<br>
              <br>
              <blockquote class="gmail_quote" style="margin:0 0 0
                .8ex;border-left:1px #ccc solid;padding-left:1ex">
                I'm currently mulling over the idea of running our Dom0
                on a USB flash disk. Currently, we have the Dom0 and
                DomU running of the same disk array. I'd like to know
                the list's opinion on doing this. It seems like a very
                nice idea to split the single critical Dom0 and the tens
                of DomUs.<br>
                <br>
                I'd like to stop the DomUs from affecting the disk IOPS
                available for the Dom0 as I'm sure you'll appreciate the
                critical nature of the it.<br>
              </blockquote>
              <br>
              I'm not sure what you'd gain. Once the system is running,
              Dom0 shouldn't be doing much (if any) disk I/O - and if it
              is, then doing it to a USB memory stick is likely to be
              more of a bottleneck to the system as a whole than a few
              deeks on the hard disk(s).<br>
            </blockquote>
          </div>
          Hi Simon,<br>
          <br>
          Sometimes during times when the DomUs are busy, xm commands
          take a long time to execute. I always presumed that this was
          due to disk IO. Could it be something else?<br>
          <br>
          Thanks
          <div class="HOEnZb">
            <div class="h5"><br>
              <br>
            </div>
          </div>
        </blockquote>
        <div>Hi Jonathan,</div>
        <div><br>
        </div>
        <div>I don't know what hardware you're running on, but I can
          tell you that I'm running Xen on some clustered PowerEdge
          R815s (48 cores, 64GB RAM). &nbsp;During initial setup and testing,
          I hadn't pinned Dom0 to just specific cores, we were just
          letting it run as-is while we were ironing out the pacemaker
          configuration to cluster them. &nbsp;The Xen resource agent was
          occasionally timing out (meaning an 'xm list --long &lt;domu
          name&gt;' was taking more than 30 seconds to complete) and
          restarting the DomUs. &nbsp;I was somewhat baffled, as these
          servers were oviously very bored with a testing-only load of a
          few guests. &nbsp;I could run the command in a loop, sleeping for a
          second each time, and sure enough it was rather slow... very
          frequently taking 10 to 15 seconds to complete when there were
          two DomUs running, occasionally 45 seconds or more.
          &nbsp;Similarly, 'xm info' would take ages to return every few
          times it was run.</div>
        <div><br>
        </div>
        <div>Long story short (too late?), I added the "dom0_max_vcpus=2
          dom0_vcpus_pin" arguments to the grub commandline for Xen.
          &nbsp;Configured all DomUs to stay off of those cores with
          'cpus="2-47"' in their config files. &nbsp;No other changes made to
          the setup at all, but now the commands return almost
          instantly, every single time. &nbsp;Giving dom0 only two cores
          completely resolved the issue for us.</div>
        <div><br>
        </div>
        <div>Regards,</div>
        <div>Mark</div>
      </div>
    </blockquote>
    Hi Mark,<br>
    <br>
    Thanks for sharing the above info.<br>
    <br>
    Indeed, my issue could be related to CPU. I have found that the
    issue isn't so bad on our newer servers (which have better CPUs in
    them). Unfortunately, we don't have enough cores to be able to
    dedicate an entire core to the Dom0.<br>
    <br>
    I guess this isn't the worst issue in the world for us, as the delay
    is acceptable on our newer servers. Now, on our older servers (which
    are due to be replaced fairly soon), the times can be as long as 30
    - 60 seconds which is clearly too long!<br>
    <br>
    Cheers<br>
    <br>
    Jonathan<br>
  </body>
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Date: Tue, 13 Dec 2011 23:09:00 +0000
From: Jonathan Tripathy <jonnyt@abpni.co.uk>
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Subject: Re: [Xen-users] Dom0 on USB Stick
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On 13/12/2011 22:55, xenusers wrote:
>
>
> On Tue, Dec 13, 2011 at 4:39 PM, Jonathan Tripathy <jonnyt@abpni.co.uk 
> <mailto:jonnyt@abpni.co.uk>> wrote:
>
>
>     On 13/12/2011 22:28, Simon Hobson wrote:
>
>         Jonathan Tripathy wrote:
>
>             I'm currently mulling over the idea of running our Dom0 on
>             a USB flash disk. Currently, we have the Dom0 and DomU
>             running of the same disk array. I'd like to know the
>             list's opinion on doing this. It seems like a very nice
>             idea to split the single critical Dom0 and the tens of DomUs.
>
>             I'd like to stop the DomUs from affecting the disk IOPS
>             available for the Dom0 as I'm sure you'll appreciate the
>             critical nature of the it.
>
>
>         I'm not sure what you'd gain. Once the system is running, Dom0
>         shouldn't be doing much (if any) disk I/O - and if it is, then
>         doing it to a USB memory stick is likely to be more of a
>         bottleneck to the system as a whole than a few deeks on the
>         hard disk(s).
>
>     Hi Simon,
>
>     Sometimes during times when the DomUs are busy, xm commands take a
>     long time to execute. I always presumed that this was due to disk
>     IO. Could it be something else?
>
>     Thanks
>
>
> Hi Jonathan,
>
> I don't know what hardware you're running on, but I can tell you that 
> I'm running Xen on some clustered PowerEdge R815s (48 cores, 64GB 
> RAM).  During initial setup and testing, I hadn't pinned Dom0 to just 
> specific cores, we were just letting it run as-is while we were 
> ironing out the pacemaker configuration to cluster them.  The Xen 
> resource agent was occasionally timing out (meaning an 'xm list --long 
> <domu name>' was taking more than 30 seconds to complete) and 
> restarting the DomUs.  I was somewhat baffled, as these servers were 
> oviously very bored with a testing-only load of a few guests.  I could 
> run the command in a loop, sleeping for a second each time, and sure 
> enough it was rather slow... very frequently taking 10 to 15 seconds 
> to complete when there were two DomUs running, occasionally 45 seconds 
> or more.  Similarly, 'xm info' would take ages to return every few 
> times it was run.
>
> Long story short (too late?), I added the "dom0_max_vcpus=2 
> dom0_vcpus_pin" arguments to the grub commandline for Xen.  Configured 
> all DomUs to stay off of those cores with 'cpus="2-47"' in their 
> config files.  No other changes made to the setup at all, but now the 
> commands return almost instantly, every single time.  Giving dom0 only 
> two cores completely resolved the issue for us.
>
> Regards,
> Mark
Hi Mark,

Thanks for sharing the above info.

Indeed, my issue could be related to CPU. I have found that the issue 
isn't so bad on our newer servers (which have better CPUs in them). 
Unfortunately, we don't have enough cores to be able to dedicate an 
entire core to the Dom0.

I guess this isn't the worst issue in the world for us, as the delay is 
acceptable on our newer servers. Now, on our older servers (which are 
due to be replaced fairly soon), the times can be as long as 30 - 60 
seconds which is clearly too long!

Cheers

Jonathan

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    <br>
    On 13/12/2011 22:55, xenusers wrote:
    <blockquote
cite="mid:CAP31a4AC96A=VZdUbUyvMHVsDpi2M=zrvCqD0O1T+cN-pLM-1g@mail.gmail.com"
      type="cite"><br>
      <br>
      <div class="gmail_quote">On Tue, Dec 13, 2011 at 4:39 PM, Jonathan
        Tripathy <span dir="ltr">&lt;<a moz-do-not-send="true"
            href="mailto:jonnyt@abpni.co.uk">jonnyt@abpni.co.uk</a>&gt;</span>
        wrote:<br>
        <blockquote class="gmail_quote" style="margin:0 0 0
          .8ex;border-left:1px #ccc solid;padding-left:1ex">
          <div class="im"><br>
            On 13/12/2011 22:28, Simon Hobson wrote:<br>
            <blockquote class="gmail_quote" style="margin:0 0 0
              .8ex;border-left:1px #ccc solid;padding-left:1ex">
              Jonathan Tripathy wrote:<br>
              <br>
              <blockquote class="gmail_quote" style="margin:0 0 0
                .8ex;border-left:1px #ccc solid;padding-left:1ex">
                I'm currently mulling over the idea of running our Dom0
                on a USB flash disk. Currently, we have the Dom0 and
                DomU running of the same disk array. I'd like to know
                the list's opinion on doing this. It seems like a very
                nice idea to split the single critical Dom0 and the tens
                of DomUs.<br>
                <br>
                I'd like to stop the DomUs from affecting the disk IOPS
                available for the Dom0 as I'm sure you'll appreciate the
                critical nature of the it.<br>
              </blockquote>
              <br>
              I'm not sure what you'd gain. Once the system is running,
              Dom0 shouldn't be doing much (if any) disk I/O - and if it
              is, then doing it to a USB memory stick is likely to be
              more of a bottleneck to the system as a whole than a few
              deeks on the hard disk(s).<br>
            </blockquote>
          </div>
          Hi Simon,<br>
          <br>
          Sometimes during times when the DomUs are busy, xm commands
          take a long time to execute. I always presumed that this was
          due to disk IO. Could it be something else?<br>
          <br>
          Thanks
          <div class="HOEnZb">
            <div class="h5"><br>
              <br>
            </div>
          </div>
        </blockquote>
        <div>Hi Jonathan,</div>
        <div><br>
        </div>
        <div>I don't know what hardware you're running on, but I can
          tell you that I'm running Xen on some clustered PowerEdge
          R815s (48 cores, 64GB RAM). &nbsp;During initial setup and testing,
          I hadn't pinned Dom0 to just specific cores, we were just
          letting it run as-is while we were ironing out the pacemaker
          configuration to cluster them. &nbsp;The Xen resource agent was
          occasionally timing out (meaning an 'xm list --long &lt;domu
          name&gt;' was taking more than 30 seconds to complete) and
          restarting the DomUs. &nbsp;I was somewhat baffled, as these
          servers were oviously very bored with a testing-only load of a
          few guests. &nbsp;I could run the command in a loop, sleeping for a
          second each time, and sure enough it was rather slow... very
          frequently taking 10 to 15 seconds to complete when there were
          two DomUs running, occasionally 45 seconds or more.
          &nbsp;Similarly, 'xm info' would take ages to return every few
          times it was run.</div>
        <div><br>
        </div>
        <div>Long story short (too late?), I added the "dom0_max_vcpus=2
          dom0_vcpus_pin" arguments to the grub commandline for Xen.
          &nbsp;Configured all DomUs to stay off of those cores with
          'cpus="2-47"' in their config files. &nbsp;No other changes made to
          the setup at all, but now the commands return almost
          instantly, every single time. &nbsp;Giving dom0 only two cores
          completely resolved the issue for us.</div>
        <div><br>
        </div>
        <div>Regards,</div>
        <div>Mark</div>
      </div>
    </blockquote>
    Hi Mark,<br>
    <br>
    Thanks for sharing the above info.<br>
    <br>
    Indeed, my issue could be related to CPU. I have found that the
    issue isn't so bad on our newer servers (which have better CPUs in
    them). Unfortunately, we don't have enough cores to be able to
    dedicate an entire core to the Dom0.<br>
    <br>
    I guess this isn't the worst issue in the world for us, as the delay
    is acceptable on our newer servers. Now, on our older servers (which
    are due to be replaced fairly soon), the times can be as long as 30
    - 60 seconds which is clearly too long!<br>
    <br>
    Cheers<br>
    <br>
    Jonathan<br>
  </body>
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	JBeulich@suse.com
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On Tue December 13 2011, 2:48:14 PM, Mark Pryor wrote:
> Move to x86_64 and you will have a complete dom0 upgrade. Its true that
> i586 is not supporting a full dom0.

Not possible - it's a 32 bit system.

I suppose I could download the xen .src.rpm, and recompile it, assuming they 
haven't disabled i586 for some reason. I just want to know if it's supported, 
or suse ran into a snag getting it to work for i586.

Anyone know if they will eventually support it?

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On Tue December 13 2011, 2:48:14 PM, Mark Pryor wrote:
> Move to x86_64 and you will have a complete dom0 upgrade. Its true that
> i586 is not supporting a full dom0.

Not possible - it's a 32 bit system.

I suppose I could download the xen .src.rpm, and recompile it, assuming they 
haven't disabled i586 for some reason. I just want to know if it's supported, 
or suse ran into a snag getting it to work for i586.

Anyone know if they will eventually support it?

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To: Benjamin Weaver <benjamin.weaver@phon.ox.ac.uk>
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Subject: Re: [Xen-users] Xen HVMs run VERY slowly on SAN box
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On Wed, Dec 14, 2011 at 12:07 AM, Benjamin Weaver
<benjamin.weaver@phon.ox.ac.uk> wrote:
> We are running a 2-node cluster with Debian Squeeze (2.6.32-5-xen-amd64) and
> Xen 4.0.1 on the dom0 and Ubuntu lucid domUs. We are now using fully
> virtualized (HVM) vms. In our configuration the dom0 administers to domUs
> created and run on a SAN box accessed via private network (192.168...). A
> sample configuration file is pasted below.
>
> We have had little or no IO problem with HVMs created and run locally on
> dom0. However, HVMs run on the SAN suffer from VERY feeble IO. Even a entry
> of a single character or entering return will cause the command line to
> freeze for 30 seconds or more.
>
> We have had no IO problems running 'regular' para-virtualised Xen vms on the
> SAN box. (We are choosing HVMs for separate reasons).

is it the SAME SAN box serving both HVM and PV?

>
> As I understand it, perhaps the problem lies with HVM architecture--IO
> having to travel into dom0 before it is handled by the hardware emulator(?).
> But I am not sure why this would slow IO so much.

It shouldn't.

>
> Are there any parameters we should adjust to enable faster IO for HVMs
> administered on a SAN box?

I'd start by testing if it's REALLY HVM problem. Something like dd/fio
on the dom0, PV domU, and HVM domU to the same path/LUN.
After that, make sure you have PV drivers loaded (exact procedure
depends on what OS you have as domU).

> disk = [ 'file:/ocfs2SAN/lucidxentest3.phon.img,hda,w',

ocfs2 (or any cluster filesystem) will inherently be slower than local
fs (e.g. ext4) or block device. You can try using tap:aio (or
tap:tapdisk:aio, or tap2:tapdisk:aio, whichever works on your version
of Xen) and see if it performs better.

-- 
Fajar

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On Wed, Dec 14, 2011 at 12:07 AM, Benjamin Weaver
<benjamin.weaver@phon.ox.ac.uk> wrote:
> We are running a 2-node cluster with Debian Squeeze (2.6.32-5-xen-amd64) and
> Xen 4.0.1 on the dom0 and Ubuntu lucid domUs. We are now using fully
> virtualized (HVM) vms. In our configuration the dom0 administers to domUs
> created and run on a SAN box accessed via private network (192.168...). A
> sample configuration file is pasted below.
>
> We have had little or no IO problem with HVMs created and run locally on
> dom0. However, HVMs run on the SAN suffer from VERY feeble IO. Even a entry
> of a single character or entering return will cause the command line to
> freeze for 30 seconds or more.
>
> We have had no IO problems running 'regular' para-virtualised Xen vms on the
> SAN box. (We are choosing HVMs for separate reasons).

is it the SAME SAN box serving both HVM and PV?

>
> As I understand it, perhaps the problem lies with HVM architecture--IO
> having to travel into dom0 before it is handled by the hardware emulator(?).
> But I am not sure why this would slow IO so much.

It shouldn't.

>
> Are there any parameters we should adjust to enable faster IO for HVMs
> administered on a SAN box?

I'd start by testing if it's REALLY HVM problem. Something like dd/fio
on the dom0, PV domU, and HVM domU to the same path/LUN.
After that, make sure you have PV drivers loaded (exact procedure
depends on what OS you have as domU).

> disk = [ 'file:/ocfs2SAN/lucidxentest3.phon.img,hda,w',

ocfs2 (or any cluster filesystem) will inherently be slower than local
fs (e.g. ext4) or block device. You can try using tap:aio (or
tap:tapdisk:aio, or tap2:tapdisk:aio, whichever works on your version
of Xen) and see if it performs better.

-- 
Fajar

_______________________________________________
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From: vipul borikar <vipulcell@gmail.com>
To: xen-users@lists.xensource.com
Subject: Re: [Xen-users] Ubuntu 11.04 DomU not showing external block Device
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--14dae9399dd757bfdd04b40660e5
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Yes the typo is right...

On Tue, Oct 25, 2011 at 4:59 PM, vipul borikar <vipulcell@gmail.com> wrote:

> Hello,
>          I just installed Xen 4.0.1 on Ubuntu 10.04 dom0. After this i had
> Ubuntu 11.04 as Para domU.
> I tried to attach file based disk to the this domU.
>
> My command is:
>
> # xm   block-attach    Ubuntu-11     file:/root/ubunut-natty/Extra
> /dev/xvdb   w
>
> there is no error on this.
>
> But inside the DomU i cannot see any disk xvdb.
>
> xend.log shows :
>
> [2011-10-25 16:27:32 14794] DEBUG (XendDomainInfo:853)
> XendDomainInfo.device_create: {'uuid':
> '18743cdb-d88a-84e3-c2e4-c5c726e06cda', 'bootable': 0, 'driver':
> 'paravirtualised', 'dev': '/dev/xvdb', 'uname':
> 'file:/root/ubunut-natty/Extra', 'mode': 'w'}
>
> I tried googling !! Any Ideas??
>
>
> --
> Thanks
>
> Vipul Borikar
> "Our task must be to free ourselves...by widening our circle of compassion
> to embrace all living creatures and the whole of nature and its beauty."
>
>


-- 
Thanks

Vipul Borikar
"Our task must be to free ourselves...by widening our circle of compassion
to embrace all living creatures and the whole of nature and its beauty."

--14dae9399dd757bfdd04b40660e5
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

Yes the typo is right... <br><br><div class=3D"gmail_quote">On Tue, Oct 25,=
 2011 at 4:59 PM, vipul borikar <span dir=3D"ltr">&lt;<a href=3D"mailto:vip=
ulcell@gmail.com">vipulcell@gmail.com</a>&gt;</span> wrote:<br><blockquote =
class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid=
;padding-left:1ex">
Hello,<br>=A0=A0=A0=A0=A0=A0=A0=A0 I just installed Xen 4.0.1 on Ubuntu 10.=
04 dom0. After this i had Ubuntu 11.04 as Para domU.<br>I tried to attach f=
ile based disk to the this domU.<br><br>My command is:<br><br># xm=A0=A0 bl=
ock-attach=A0=A0=A0 Ubuntu-11=A0=A0=A0=A0 file:/root/ubunut-natty/Extra=A0=
=A0=A0 /dev/xvdb=A0=A0 w<br>

<br>there is no error on this.<br><br>But inside the DomU i cannot see any =
disk xvdb. <br><br>xend.log shows :<br><br>[2011-10-25 16:27:32 14794] DEBU=
G (XendDomainInfo:853) XendDomainInfo.device_create: {&#39;uuid&#39;: &#39;=
18743cdb-d88a-84e3-c2e4-c5c726e06cda&#39;, &#39;bootable&#39;: 0, &#39;driv=
er&#39;: &#39;paravirtualised&#39;, &#39;dev&#39;: &#39;/dev/xvdb&#39;, &#3=
9;uname&#39;: &#39;file:/root/ubunut-natty/Extra&#39;, &#39;mode&#39;: &#39=
;w&#39;}<br>

<br>I tried googling !! Any Ideas??<span class=3D"HOEnZb"><font color=3D"#8=
88888"><br><br clear=3D"all"><br>-- <br><div>Thanks=A0</div><div><br></div>=
Vipul Borikar <br><div>&quot;Our task must be to free ourselves...by wideni=
ng our circle of compassion to embrace all living creatures and the whole o=
f nature and its beauty.&quot;</div>

<br>
</font></span></blockquote></div><br><br clear=3D"all"><br>-- <br><div>Than=
ks=A0</div><div><br></div>Vipul Borikar <br><div>&quot;Our task must be to =
free ourselves...by widening our circle of compassion to embrace all living=
 creatures and the whole of nature and its beauty.&quot;</div>
<br>

--14dae9399dd757bfdd04b40660e5--


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From: vipul borikar <vipulcell@gmail.com>
To: xen-users@lists.xensource.com
Subject: Re: [Xen-users] Ubuntu 11.04 DomU not showing external block Device
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Yes the typo is right...

On Tue, Oct 25, 2011 at 4:59 PM, vipul borikar <vipulcell@gmail.com> wrote:

> Hello,
>          I just installed Xen 4.0.1 on Ubuntu 10.04 dom0. After this i had
> Ubuntu 11.04 as Para domU.
> I tried to attach file based disk to the this domU.
>
> My command is:
>
> # xm   block-attach    Ubuntu-11     file:/root/ubunut-natty/Extra
> /dev/xvdb   w
>
> there is no error on this.
>
> But inside the DomU i cannot see any disk xvdb.
>
> xend.log shows :
>
> [2011-10-25 16:27:32 14794] DEBUG (XendDomainInfo:853)
> XendDomainInfo.device_create: {'uuid':
> '18743cdb-d88a-84e3-c2e4-c5c726e06cda', 'bootable': 0, 'driver':
> 'paravirtualised', 'dev': '/dev/xvdb', 'uname':
> 'file:/root/ubunut-natty/Extra', 'mode': 'w'}
>
> I tried googling !! Any Ideas??
>
>
> --
> Thanks
>
> Vipul Borikar
> "Our task must be to free ourselves...by widening our circle of compassion
> to embrace all living creatures and the whole of nature and its beauty."
>
>


-- 
Thanks

Vipul Borikar
"Our task must be to free ourselves...by widening our circle of compassion
to embrace all living creatures and the whole of nature and its beauty."

--14dae9399dd757bfdd04b40660e5
Content-Type: text/html; charset=ISO-8859-1
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Yes the typo is right... <br><br><div class=3D"gmail_quote">On Tue, Oct 25,=
 2011 at 4:59 PM, vipul borikar <span dir=3D"ltr">&lt;<a href=3D"mailto:vip=
ulcell@gmail.com">vipulcell@gmail.com</a>&gt;</span> wrote:<br><blockquote =
class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid=
;padding-left:1ex">
Hello,<br>=A0=A0=A0=A0=A0=A0=A0=A0 I just installed Xen 4.0.1 on Ubuntu 10.=
04 dom0. After this i had Ubuntu 11.04 as Para domU.<br>I tried to attach f=
ile based disk to the this domU.<br><br>My command is:<br><br># xm=A0=A0 bl=
ock-attach=A0=A0=A0 Ubuntu-11=A0=A0=A0=A0 file:/root/ubunut-natty/Extra=A0=
=A0=A0 /dev/xvdb=A0=A0 w<br>

<br>there is no error on this.<br><br>But inside the DomU i cannot see any =
disk xvdb. <br><br>xend.log shows :<br><br>[2011-10-25 16:27:32 14794] DEBU=
G (XendDomainInfo:853) XendDomainInfo.device_create: {&#39;uuid&#39;: &#39;=
18743cdb-d88a-84e3-c2e4-c5c726e06cda&#39;, &#39;bootable&#39;: 0, &#39;driv=
er&#39;: &#39;paravirtualised&#39;, &#39;dev&#39;: &#39;/dev/xvdb&#39;, &#3=
9;uname&#39;: &#39;file:/root/ubunut-natty/Extra&#39;, &#39;mode&#39;: &#39=
;w&#39;}<br>

<br>I tried googling !! Any Ideas??<span class=3D"HOEnZb"><font color=3D"#8=
88888"><br><br clear=3D"all"><br>-- <br><div>Thanks=A0</div><div><br></div>=
Vipul Borikar <br><div>&quot;Our task must be to free ourselves...by wideni=
ng our circle of compassion to embrace all living creatures and the whole o=
f nature and its beauty.&quot;</div>

<br>
</font></span></blockquote></div><br><br clear=3D"all"><br>-- <br><div>Than=
ks=A0</div><div><br></div>Vipul Borikar <br><div>&quot;Our task must be to =
free ourselves...by widening our circle of compassion to embrace all living=
 creatures and the whole of nature and its beauty.&quot;</div>
<br>

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2011/12/12 vipul borikar <vipulcell@gmail.com>:
> Ok . Thanks for the Update...
> Can i try 5.7 Xen RPMS on 5.5 OS.. cause it will be tough for me to upgrade
> the OS 5.5 to 5.7.

I think so.
I don't know all the depends.
For the 5.7 xen dom0 kernel, you will have to install 5.7's e4fsprogs
and e4fsprogs-libs
Xen is one more package that has no extra dependencies according to my
knowledge.

If you are under RHEL support, check back with them first. So you know
if they'll still support the config with newer kernel + Xen.
Considering the many bugs they had in older versions, they probably will :)

-- 
the purpose of libvirt is to provide an abstraction layer hiding all
xen features added since 2006 until they were finally understood and
copied by the kvm devs.

_______________________________________________
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2011/12/12 vipul borikar <vipulcell@gmail.com>:
> Ok . Thanks for the Update...
> Can i try 5.7 Xen RPMS on 5.5 OS.. cause it will be tough for me to upgrade
> the OS 5.5 to 5.7.

I think so.
I don't know all the depends.
For the 5.7 xen dom0 kernel, you will have to install 5.7's e4fsprogs
and e4fsprogs-libs
Xen is one more package that has no extra dependencies according to my
knowledge.

If you are under RHEL support, check back with them first. So you know
if they'll still support the config with newer kernel + Xen.
Considering the many bugs they had in older versions, they probably will :)

-- 
the purpose of libvirt is to provide an abstraction layer hiding all
xen features added since 2006 until they were finally understood and
copied by the kvm devs.

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Hi,

2011/10/25 Paul Muster <paul@muster.dyndns.info>:
> On 25.10.2011 13:29, vipul borikar wrote:
>
>> =A0 =A0 =A0 =A0 =A0I just installed Xen 4.0.1 on Ubuntu 10.04 dom0. Afte=
r this i had
>> Ubuntu 11.04 as Para domU.
>> I tried to attach file based disk to the this domU.
>>
>> My command is:
>>
>> # xm =A0 block-attach =A0 =A0Ubuntu-11 =A0 =A0 file:/root/ubunut-natty/E=
xtra
>> /dev/xvdb =A0 w
>>
>> there is no error on this.

does it show as mapped in xm block-list afterwards?

will the same disk be visible in the domU after a reboot (launched from ins=
ide)?
will it be visible once you add it to disks =3D [] ?

if yes, then please open a bug in ubuntu launchpad.

Florian

-- =

the purpose of libvirt is to provide an abstraction layer hiding all
xen features added since 2006 until they were finally understood and
copied by the kvm devs.

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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To: Paul Muster <paul@muster.dyndns.info>
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] Ubuntu 11.04 DomU not showing external block Device
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Hi,

2011/10/25 Paul Muster <paul@muster.dyndns.info>:
> On 25.10.2011 13:29, vipul borikar wrote:
>
>> =A0 =A0 =A0 =A0 =A0I just installed Xen 4.0.1 on Ubuntu 10.04 dom0. Afte=
r this i had
>> Ubuntu 11.04 as Para domU.
>> I tried to attach file based disk to the this domU.
>>
>> My command is:
>>
>> # xm =A0 block-attach =A0 =A0Ubuntu-11 =A0 =A0 file:/root/ubunut-natty/E=
xtra
>> /dev/xvdb =A0 w
>>
>> there is no error on this.

does it show as mapped in xm block-list afterwards?

will the same disk be visible in the domU after a reboot (launched from ins=
ide)?
will it be visible once you add it to disks =3D [] ?

if yes, then please open a bug in ubuntu launchpad.

Florian

-- =

the purpose of libvirt is to provide an abstraction layer hiding all
xen features added since 2006 until they were finally understood and
copied by the kvm devs.

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

From xen-users-bounces@lists.xensource.com Wed Dec 14 15:11:44 2011
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To: Jonathan Tripathy <jonnyt@abpni.co.uk>
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] Dom0 on USB Stick
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Hi,

tl;dr:
- It's a good idea and works great once you got it right
- Don't waste time doing it with a normal distro: instead help make
Xen work nicely on Alpine Linux which is designed for robustness / usb
boot
- check you're not using sched-credit2, Then use sched-credit -d
Domain-0 -w 5120 -c 130 on your dom0. You can still pin it to specific
cpus. Note you can use xenpm to find out which cpus are real ones and
which are just HT.


2011/12/13 Jonathan Tripathy <jonnyt@abpni.co.uk>:> Hi Everyone,
>
> I'm currently mulling over the idea of running our Dom0 on a USB flash disk.
> Currently, we have the Dom0 and DomU running of the same disk array. I'd
> like to know the list's opinion on doing this. It seems like a very nice
> idea to split the single critical Dom0 and the tens of DomUs.
>
> I'd like to stop the DomUs from affecting the disk IOPS available for the
> Dom0 as I'm sure you'll appreciate the critical nature of the it.

Most people, surprisingly, don't.

> Any opinions are very much appreciated

we've done this in a large ha production system.
HA not in the standard "we run important online shop" but in the older
"yes, sure make a cluster. but btw: it's simply not allowed to fail,
period" sense.


The good:
Different fault domains.
dom0 IO not impaired by heavy IO domUs, like you described. This means
dom0 is fully operable even if the host is running multiple domUs
pushing many K IOPS / manu 100 MB/s
all RAID disks are strictly for "payload".

The bad:
USB sticks fail more easily than Raid disks, hotplug is a nightmare
and udev is a failure.

The ugly:
Linux block device persistence in 2.16.XX is a mere joke, old CentOS
kernels will re-enumerate a usb stick that comes back from sleep after
being idle too long, and while they don't have command that allows to
disable powersaving, they seem to have it enabled...
You can of course setup persistent device names, BUT udev fails anyway
since it's all running via callout shell scripts, and udev fails even
more since it does not really change the kernel device names, only the
stuff in /dev/ is affected.
Even if you have rules that name your "replugged" root device
"/dev/myUSBwonder" it will not help at all since the kernel device has
still changed to "the usb thing right next to where the old usb thing
was". That means you lose the root device node and thats it.
In case anybody missed it: Yes, I think doing a kernels job with
shellscripts in user space is not the smartest thing on earth.

Most CentOS code proved to be quite fragile, and not even a reboot
works if you have a disk issue of any notable scale.
Why would anybody test what happens if things go wrong, right?

The upside:
We wanted stuff to be really robust.
Using /etc/sysconfig/readonlyroot + rwtab tweakimg you can actually
load 90% of the system into RAM and still keep 10% on readonly USB
(i.e. stuff in /etc/ that you want to be change-able. We now have a
system that *will* work for months even if the boot media fails. This
allows for the OS to feel "unmodified" in case you need to apply some
post-install updates w/o a reboot.
Now on a failure of root usb thing very little bad can happen, and any
failure on the Raid is something we can almost laugh at.

So, if you need to build a highly robust embedded solution on basis of
a standard distro system, and bring along a few dozen hours, then go
for it. I'm quite happy now that things ended up pretty solid.

Re: PXE booting:
Well, if you want all your hosts to be in a reboot loop after a
massive power failure until the DHCP is back?
Otherwise, try PXE, then rather boot from some solid media (unless
that is not installed via PXE yet. then... usual)



Now for something better:
But, alternatively, if you *wanna* spend time on such a thing, it
would be even cooler if you joined #alpine-linux on irc at some time
and help polishing the Xen port. Because Alpine has all the
embedded-ultra-robustness stuff builtin. It was designed by network
engineers and is much closer to what you want.


Florian


-- 
the purpose of libvirt is to provide an abstraction layer hiding all
xen features added since 2006 until they were finally understood and
copied by the kvm devs.

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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To: Jonathan Tripathy <jonnyt@abpni.co.uk>
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] Dom0 on USB Stick
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Hi,

tl;dr:
- It's a good idea and works great once you got it right
- Don't waste time doing it with a normal distro: instead help make
Xen work nicely on Alpine Linux which is designed for robustness / usb
boot
- check you're not using sched-credit2, Then use sched-credit -d
Domain-0 -w 5120 -c 130 on your dom0. You can still pin it to specific
cpus. Note you can use xenpm to find out which cpus are real ones and
which are just HT.


2011/12/13 Jonathan Tripathy <jonnyt@abpni.co.uk>:> Hi Everyone,
>
> I'm currently mulling over the idea of running our Dom0 on a USB flash disk.
> Currently, we have the Dom0 and DomU running of the same disk array. I'd
> like to know the list's opinion on doing this. It seems like a very nice
> idea to split the single critical Dom0 and the tens of DomUs.
>
> I'd like to stop the DomUs from affecting the disk IOPS available for the
> Dom0 as I'm sure you'll appreciate the critical nature of the it.

Most people, surprisingly, don't.

> Any opinions are very much appreciated

we've done this in a large ha production system.
HA not in the standard "we run important online shop" but in the older
"yes, sure make a cluster. but btw: it's simply not allowed to fail,
period" sense.


The good:
Different fault domains.
dom0 IO not impaired by heavy IO domUs, like you described. This means
dom0 is fully operable even if the host is running multiple domUs
pushing many K IOPS / manu 100 MB/s
all RAID disks are strictly for "payload".

The bad:
USB sticks fail more easily than Raid disks, hotplug is a nightmare
and udev is a failure.

The ugly:
Linux block device persistence in 2.16.XX is a mere joke, old CentOS
kernels will re-enumerate a usb stick that comes back from sleep after
being idle too long, and while they don't have command that allows to
disable powersaving, they seem to have it enabled...
You can of course setup persistent device names, BUT udev fails anyway
since it's all running via callout shell scripts, and udev fails even
more since it does not really change the kernel device names, only the
stuff in /dev/ is affected.
Even if you have rules that name your "replugged" root device
"/dev/myUSBwonder" it will not help at all since the kernel device has
still changed to "the usb thing right next to where the old usb thing
was". That means you lose the root device node and thats it.
In case anybody missed it: Yes, I think doing a kernels job with
shellscripts in user space is not the smartest thing on earth.

Most CentOS code proved to be quite fragile, and not even a reboot
works if you have a disk issue of any notable scale.
Why would anybody test what happens if things go wrong, right?

The upside:
We wanted stuff to be really robust.
Using /etc/sysconfig/readonlyroot + rwtab tweakimg you can actually
load 90% of the system into RAM and still keep 10% on readonly USB
(i.e. stuff in /etc/ that you want to be change-able. We now have a
system that *will* work for months even if the boot media fails. This
allows for the OS to feel "unmodified" in case you need to apply some
post-install updates w/o a reboot.
Now on a failure of root usb thing very little bad can happen, and any
failure on the Raid is something we can almost laugh at.

So, if you need to build a highly robust embedded solution on basis of
a standard distro system, and bring along a few dozen hours, then go
for it. I'm quite happy now that things ended up pretty solid.

Re: PXE booting:
Well, if you want all your hosts to be in a reboot loop after a
massive power failure until the DHCP is back?
Otherwise, try PXE, then rather boot from some solid media (unless
that is not installed via PXE yet. then... usual)



Now for something better:
But, alternatively, if you *wanna* spend time on such a thing, it
would be even cooler if you joined #alpine-linux on irc at some time
and help polishing the Xen port. Because Alpine has all the
embedded-ultra-robustness stuff builtin. It was designed by network
engineers and is much closer to what you want.


Florian


-- 
the purpose of libvirt is to provide an abstraction layer hiding all
xen features added since 2006 until they were finally understood and
copied by the kvm devs.

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Subject: Re: [Xen-users] vnc stops working after a while
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2011/12/12 Jordi Moles Blanco <jordi@cdmon.com>:
> Hi everyone,
>
> well... it's good to know that I haven't come across some nasty and very
> weird bug very difficult to reproduce.
>
> anyway... since the last time I wrote I haven't seen this problem anymore,
> as we have many machines and we don't continuously check them all. Next time
> I see one VNC broken I'll try to check what you suggested.
>
> on the other hand, I understand from Florian's words that the problem could
> be a socket that remains open after a normal VNC connection. Do you think
> that we could avoid rebooting the server by killing it?

How do you want to kill it? I didn't mean to imply this is something
that ends the problem.
EXCEPT if you find some workmate that still has an idling VNC terminal
OR if you can
make a stale session time out faster.

I don't know how to wipe a stale tcp session from the kernel
Killing the qemu-dm VNC server is possible (but no more VNC access after that)
If you kill, then restart it, it will not have the right options
(port, password, etc)

But maybe the newer qemu-dm versions work better with this - I don't know.
Lets find some more debug data once this happens for one of you and
then you can
contact the -devel list and try to work out a fix...


Florian

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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2011/12/12 Jordi Moles Blanco <jordi@cdmon.com>:
> Hi everyone,
>
> well... it's good to know that I haven't come across some nasty and very
> weird bug very difficult to reproduce.
>
> anyway... since the last time I wrote I haven't seen this problem anymore,
> as we have many machines and we don't continuously check them all. Next time
> I see one VNC broken I'll try to check what you suggested.
>
> on the other hand, I understand from Florian's words that the problem could
> be a socket that remains open after a normal VNC connection. Do you think
> that we could avoid rebooting the server by killing it?

How do you want to kill it? I didn't mean to imply this is something
that ends the problem.
EXCEPT if you find some workmate that still has an idling VNC terminal
OR if you can
make a stale session time out faster.

I don't know how to wipe a stale tcp session from the kernel
Killing the qemu-dm VNC server is possible (but no more VNC access after that)
If you kill, then restart it, it will not have the right options
(port, password, etc)

But maybe the newer qemu-dm versions work better with this - I don't know.
Lets find some more debug data once this happens for one of you and
then you can
contact the -devel list and try to work out a fix...


Florian

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

From xen-users-bounces@lists.xensource.com Wed Dec 14 16:21:36 2011
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Al 14/12/11 16:27, En/na Florian Heigl ha escrit:
> 2011/12/12 Jordi Moles Blanco<jordi@cdmon.com>:
>> Hi everyone,
>>
>> well... it's good to know that I haven't come across some nasty and very
>> weird bug very difficult to reproduce.
>>
>> anyway... since the last time I wrote I haven't seen this problem anymore,
>> as we have many machines and we don't continuously check them all. Next time
>> I see one VNC broken I'll try to check what you suggested.
>>
>> on the other hand, I understand from Florian's words that the problem could
>> be a socket that remains open after a normal VNC connection. Do you think
>> that we could avoid rebooting the server by killing it?
> How do you want to kill it? I didn't mean to imply this is something
> that ends the problem.
> EXCEPT if you find some workmate that still has an idling VNC terminal
> OR if you can
> make a stale session time out faster.
>
> I don't know how to wipe a stale tcp session from the kernel
> Killing the qemu-dm VNC server is possible (but no more VNC access after that)
> If you kill, then restart it, it will not have the right options
> (port, password, etc)
>
> But maybe the newer qemu-dm versions work better with this - I don't know.
> Lets find some more debug data once this happens for one of you and
> then you can
> contact the -devel list and try to work out a fix...


Hi,

yes, sorry, I didn't write that properly. You don't just kill an stale 
socket (as far as I know).

What I meant was that we may be able to check for a process that we can 
kill and that will hopefully free the connection.

However, I've looked into this and found out that no new xen or qemu 
processes are launched when a VNC connection is stablished, so I guess 
that this is not the way.

When the machine starts running Xen creates this kind of process:

/usr/lib64/xen/bin/qemu-dm -d 146 -serial pty -domain-name server 
-videoram 4 -vnc 0.0.0.0:0,password -vncunused -M xenpv

but when there's an open connection there are no more processes like 
that or that contain "xen" or "qemu" or "vnc".







>
>
> Florian
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users


-- 
Jordi Moles Blanco
Sistemes Cdmon.com
___________________________
Tlf: 902 36 41 38
Tlf: 93 567 75 77
mailto: jordi@cdmon.com
http://www.cdmon.com


_______________________________________________
Xen-users mailing list
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http://lists.xensource.com/xen-users

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Al 14/12/11 16:27, En/na Florian Heigl ha escrit:
> 2011/12/12 Jordi Moles Blanco<jordi@cdmon.com>:
>> Hi everyone,
>>
>> well... it's good to know that I haven't come across some nasty and very
>> weird bug very difficult to reproduce.
>>
>> anyway... since the last time I wrote I haven't seen this problem anymore,
>> as we have many machines and we don't continuously check them all. Next time
>> I see one VNC broken I'll try to check what you suggested.
>>
>> on the other hand, I understand from Florian's words that the problem could
>> be a socket that remains open after a normal VNC connection. Do you think
>> that we could avoid rebooting the server by killing it?
> How do you want to kill it? I didn't mean to imply this is something
> that ends the problem.
> EXCEPT if you find some workmate that still has an idling VNC terminal
> OR if you can
> make a stale session time out faster.
>
> I don't know how to wipe a stale tcp session from the kernel
> Killing the qemu-dm VNC server is possible (but no more VNC access after that)
> If you kill, then restart it, it will not have the right options
> (port, password, etc)
>
> But maybe the newer qemu-dm versions work better with this - I don't know.
> Lets find some more debug data once this happens for one of you and
> then you can
> contact the -devel list and try to work out a fix...


Hi,

yes, sorry, I didn't write that properly. You don't just kill an stale 
socket (as far as I know).

What I meant was that we may be able to check for a process that we can 
kill and that will hopefully free the connection.

However, I've looked into this and found out that no new xen or qemu 
processes are launched when a VNC connection is stablished, so I guess 
that this is not the way.

When the machine starts running Xen creates this kind of process:

/usr/lib64/xen/bin/qemu-dm -d 146 -serial pty -domain-name server 
-videoram 4 -vnc 0.0.0.0:0,password -vncunused -M xenpv

but when there's an open connection there are no more processes like 
that or that contain "xen" or "qemu" or "vnc".







>
>
> Florian
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users


-- 
Jordi Moles Blanco
Sistemes Cdmon.com
___________________________
Tlf: 902 36 41 38
Tlf: 93 567 75 77
mailto: jordi@cdmon.com
http://www.cdmon.com


_______________________________________________
Xen-users mailing list
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Date: Wed, 14 Dec 2011 17:55:48 +0100
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From: Florian Heigl <florian.heigl@gmail.com>
To: jordi@cdmon.com
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] vnc stops working after a while
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Hi

2011/12/14 Jordi Moles Blanco <jordi@cdmon.com>:
> Al 14/12/11 16:27, En/na Florian Heigl ha escrit:

> When the machine starts running Xen creates this kind of process:
>
> /usr/lib64/xen/bin/qemu-dm -d 146 -serial pty -domain-name server -videoram
> 4 -vnc 0.0.0.0:0,password -vncunused -M xenpv
>
> but when there's an open connection there are no more processes like that or
> that contain "xen" or "qemu" or "vnc".

Yes, this is the only process - the VNC server itself.
The others will all be on a the connecting host.

Try killing it on a test box and launching it with the very same
parameters as it used to have.
I think it might be possible if no custom settings (i.e. vncunused)
are set in the VM config
at all.

Oh, and in fact it would be interesting to know where the VNC server
comes from anyway.
If you fell like finding out, have a look at the Xen udev rules, maybe
it is there.

_______________________________________________
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Date: Wed, 14 Dec 2011 17:55:48 +0100
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From: Florian Heigl <florian.heigl@gmail.com>
To: jordi@cdmon.com
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Subject: Re: [Xen-users] vnc stops working after a while
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Hi

2011/12/14 Jordi Moles Blanco <jordi@cdmon.com>:
> Al 14/12/11 16:27, En/na Florian Heigl ha escrit:

> When the machine starts running Xen creates this kind of process:
>
> /usr/lib64/xen/bin/qemu-dm -d 146 -serial pty -domain-name server -videoram
> 4 -vnc 0.0.0.0:0,password -vncunused -M xenpv
>
> but when there's an open connection there are no more processes like that or
> that contain "xen" or "qemu" or "vnc".

Yes, this is the only process - the VNC server itself.
The others will all be on a the connecting host.

Try killing it on a test box and launching it with the very same
parameters as it used to have.
I think it might be possible if no custom settings (i.e. vncunused)
are set in the VM config
at all.

Oh, and in fact it would be interesting to know where the VNC server
comes from anyway.
If you fell like finding out, have a look at the Xen udev rules, maybe
it is there.

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Subject: Re: [Xen-users] [Xen-API] New name for Kronos? [was XCP 1.5
	availability]
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On 11/12/11 19:06, Pasi K=E4rkk=E4inen wrote:
> Hey,
> =

> I think we should use the name "XCP" only for the appliance,
> and maybe just "XAPI toolstack" for the packages in Debian/Ubuntu? =

> =

> Does that make sense? Some people are getting confused about what XCP is..
> =


I think that does make sense, Pasi. For the Debian packages, I think I'd
like to call them the "XCP toolstack" packages. And for a Debian host
with the XCP toolstack installed, perhaps we should just call it a
Kronos host? I'd like the name Kronos to drop away, but it seems like
the easiest way to differentiate the two.

Does anyone else have any suggestions?

Mike

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Subject: Re: [Xen-users] [Xen-API] New name for Kronos? [was XCP 1.5
	availability]
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On 11/12/11 19:06, Pasi K=E4rkk=E4inen wrote:
> Hey,
> =

> I think we should use the name "XCP" only for the appliance,
> and maybe just "XAPI toolstack" for the packages in Debian/Ubuntu? =

> =

> Does that make sense? Some people are getting confused about what XCP is..
> =


I think that does make sense, Pasi. For the Debian packages, I think I'd
like to call them the "XCP toolstack" packages. And for a Debian host
with the XCP toolstack installed, perhaps we should just call it a
Kronos host? I'd like the name Kronos to drop away, but it seems like
the easiest way to differentiate the two.

Does anyone else have any suggestions?

Mike

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Subject: [Xen-users] Xen 4.0 debian fails to create any device and start any
	instance
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Hello to everyone.

Here is the problem.

Everything was working ok, the server was rebooted about one week ago 
and all virtual machines started without any problem, there isn't any 
important update in this week and now I have such problem:

When i try to start new instance i get:
Error: Device 0 (vif) could not be connected. Hotplug scripts not working.

But the problem isn't in bridging or such stuff. So, if i remove vif 
from guest config, there will be same error, but about vdb device.
So, how is possible to me fix this? How can i understand which one of 
scrips exactli "not working". I tried to add "touch /tmp/foonar" to 
xen-hotplug-common.sh script in /etc/xen, but it looks like it isn't 
runned by xm create at all (if i run it by hands - file appears, but 
after xm create - don't).

So here is some logs like /var/log/xen/xend.log:

[2011-12-14 21:44:17 11562] DEBUG (XendDomainInfo:101) 
XendDomainInfo.create(['vm', ['name', 'osmium'], ['memory', '512'], 
['on_poweroff', 'destroy'],
  ['on_reboot', 'restart'], ['on_crash', 'restart'], ['on_xend_start', 
'ignore'], ['on_xend_stop', 'ignore'], ['vcpus', 1], ['oos', 1], 
['image', ['lin
ux', ['kernel', '/boot/vmlinuz-2.6.26-2-xen-amd64'], ['ramdisk', 
'/boot/initrd.img-2.6.26-2-xen-amd64'], ['root', '/dev/xvda2 ro'], 
['videoram', 4], [
'tsc_mode', 0], ['nomigrate', 0]]], ['s3_integrity', 1], ['device', 
['vbd', ['uname', 'phy:/dev/xen-data/osmium-swap'], ['dev', 'xvda1'], 
['mode', 'w'
]]], ['device', ['vbd', ['uname', 'phy:/dev/xen-data/osmium-disk'], 
['dev', 'xvda2'], ['mode', 'w']]], ['device', ['vif', ['ip', 
'193.106.92.235'], ['
mac', '00:16:3E:D9:15:D1']]]])
[2011-12-14 21:44:17 11562] DEBUG (XendDomainInfo:2508) 
XendDomainInfo.constructDomain
[2011-12-14 21:44:17 11562] DEBUG (balloon:220) Balloon: 22077188 KiB 
free; need 16384; done.
[2011-12-14 21:44:17 11562] DEBUG (XendDomain:464) Adding Domain: 110
[2011-12-14 21:44:17 11562] DEBUG (XendDomainInfo:2818) 
XendDomainInfo.initDomain: 110 256
[2011-12-14 21:44:17 11562] DEBUG (XendDomainInfo:2845) 
_initDomain:shadow_memory=0x0, memory_static_max=0x20000000, 
memory_static_min=0x0.
[2011-12-14 21:44:17 11562] INFO (image:182) buildDomain os=linux 
dom=110 vcpus=1
[2011-12-14 21:44:17 11562] DEBUG (image:721) domid          = 110
[2011-12-14 21:44:17 11562] DEBUG (image:722) memsize        = 512
[2011-12-14 21:44:17 11562] DEBUG (image:723) image          = 
/boot/vmlinuz-2.6.26-2-xen-amd64
[2011-12-14 21:44:17 11562] DEBUG (image:724) store_evtchn   = 1
[2011-12-14 21:44:17 11562] DEBUG (image:725) console_evtchn = 2
[2011-12-14 21:44:17 11562] DEBUG (image:726) cmdline        = 
root=/dev/xvda2 ro
[2011-12-14 21:44:17 11562] DEBUG (image:727) ramdisk        = 
/boot/initrd.img-2.6.26-2-xen-amd64
[2011-12-14 21:44:17 11562] DEBUG (image:728) vcpus          = 1
[2011-12-14 21:44:17 11562] DEBUG (image:729) features       =
[2011-12-14 21:44:17 11562] DEBUG (image:730) flags          = 0
[2011-12-14 21:44:17 11562] DEBUG (image:731) superpages     = 0
[2011-12-14 21:44:18 11562] INFO (XendDomainInfo:2367) createDevice: vbd 
: {'uuid': '82f280fa-df4f-dc5c-ff4f-8fac6e776a7f', 'bootable': 1, 
'driver': '
paravirtualised', 'dev': 'xvda1', 'uname': 
'phy:/dev/xen-data/osmium-swap', 'mode': 'w'}
[2011-12-14 21:44:18 11562] DEBUG (DevController:95) DevController: 
writing {'virtual-device': '51713', 'device-type': 'disk', 'protocol': 
'x86_64-abi
', 'backend-id': '0', 'state': '1', 'backend': 
'/local/domain/0/backend/vbd/110/51713'} to 
/local/domain/110/device/vbd/51713.
[2011-12-14 21:44:18 11562] DEBUG (DevController:97) DevController: 
writing {'domain': 'osmium', 'frontend': 
'/local/domain/110/device/vbd/51713', 'uu
id': '82f280fa-df4f-dc5c-ff4f-8fac6e776a7f', 'bootable': '1', 'dev': 
'xvda1', 'state': '1', 'params': '/dev/xen-data/osmium-swap', 'mode': 
'w', 'onlin
e': '1', 'frontend-id': '110', 'type': 'phy'} to 
/local/domain/0/backend/vbd/110/51713.
[2011-12-14 21:44:18 11562] INFO (XendDomainInfo:2367) createDevice: vbd 
: {'uuid': '4370c698-38ba-89a9-4c66-89674c05a49b', 'bootable': 0, 
'driver': '
paravirtualised', 'dev': 'xvda2', 'uname': 
'phy:/dev/xen-data/osmium-disk', 'mode': 'w'}
[2011-12-14 21:44:18 11562] DEBUG (DevController:95) DevController: 
writing {'virtual-device': '51714', 'device-type': 'disk', 'protocol': 
'x86_64-abi
', 'backend-id': '0', 'state': '1', 'backend': 
'/local/domain/0/backend/vbd/110/51714'} to 
/local/domain/110/device/vbd/51714.
[2011-12-14 21:44:18 11562] DEBUG (DevController:97) DevController: 
writing {'domain': 'osmium', 'frontend': 
'/local/domain/110/device/vbd/51714', 'uu
id': '4370c698-38ba-89a9-4c66-89674c05a49b', 'bootable': '0', 'dev': 
'xvda2', 'state': '1', 'params': '/dev/xen-data/osmium-disk', 'mode': 
'w', 'onlin
e': '1', 'frontend-id': '110', 'type': 'phy'} to 
/local/domain/0/backend/vbd/110/51714.
[2011-12-14 21:44:18 11562] INFO (XendDomainInfo:2367) createDevice: vif 
: {'ip': '193.106.92.235', 'mac': '00:16:3E:D9:15:D1', 'uuid': 
'afd029dd-5a5d
-e65b-4615-03761cfdc984'}
[2011-12-14 21:44:18 11562] DEBUG (DevController:95) DevController: 
writing {'mac': '00:16:3E:D9:15:D1', 'handle': '0', 'protocol': 
'x86_64-abi', 'bac
kend-id': '0', 'state': '1', 'backend': 
'/local/domain/0/backend/vif/110/0'} to /local/domain/110/device/vif/0.
[2011-12-14 21:44:18 11562] DEBUG (DevController:97) DevController: 
writing {'domain': 'osmium', 'handle': '0', 'uuid': 
'afd029dd-5a5d-e65b-4615-03761
cfdc984', 'script': '/etc/xen/scripts/vif-bridge', 'ip': 
'193.106.92.235', 'mac': '00:16:3E:D9:15:D1', 'frontend-id': '110', 
'state': '1', 'online': '
1', 'frontend': '/local/domain/110/device/vif/0'} to 
/local/domain/0/backend/vif/110/0.
[2011-12-14 21:44:18 11562] DEBUG (XendDomainInfo:3400) Storing VM 
details: {'on_xend_stop': 'ignore', 'shadow_memory': '0', 'uuid': 
'ec1368e5-94f5-3e
1a-dabe-010efdb55a95', 'on_reboot': 'restart', 'start_time': 
'1323884658.28', 'on_poweroff': 'destroy', 'bootloader_args': '', 
'on_xend_start': 'ignor
e', 'on_crash': 'restart', 'xend/restart_count': '0', 'vcpus': '1', 
'vcpu_avail': '1', 'bootloader': '', 'image': "(linux (kernel 
/boot/vmlinuz-2.6.26
-2-xen-amd64) (ramdisk /boot/initrd.img-2.6.26-2-xen-amd64) (args 
'root=/dev/xvda2 ro ') (superpages 0) (tsc_mode 0) (videoram 4) (pci ()) 
(nomigrate
0) (notes (FEATURES 
'writable_page_tables|writable_descriptor_tables|auto_translated_physmap|pae_pgdir_above_4gb|supervisor_mode_kernel') 
(VIRT_BASE 1
8446744071562067968)
(GUEST_VERSION 2.6) (PADDR_OFFSET 0) (GUEST_OS linux) (HYPERCALL_PAGE 
18446744071564197888) (LOADER generic) (SUSPEND_CANCEL 1) (ENTRY 
18446744071564165120) (XEN_VERSION xen-3.0)))", 'name': 'osmium'}
[2011-12-14 21:44:18 11562] DEBUG (XendDomainInfo:1804) Storing domain 
details: {'console/ring-ref': '7282736', 'image/entry': 
'18446744071564165120', 'console/port': '2', 'store/ring-ref': 
'7282737', 'image/loader': 'generic', 'vm': 
'/vm/ec1368e5-94f5-3e1a-dabe-010efdb55a95', 
'control/platform-feature-multiprocessor-suspend': '1', 
'image/guest-os': 'linux', 'image/features/writable-descriptor-tables': 
'1', 'image/virt-base': '18446744071562067968', 'memory/target': 
'524288', 'image/guest-version': '2.6', 
'image/features/supervisor-mode-kernel': '1', 'description': '', 
'console/limit': '1048576', 'image/paddr-offset': '0', 
'image/hypercall-page': '18446744071564197888', 'image/suspend-cancel': 
'1', 'cpu/0/availability': 'online', 
'image/features/pae-pgdir-above-4gb': '1', 
'image/features/writable-page-tables': '1', 'console/type': 
'xenconsoled', 'image/features/auto-translated-physmap': '1', 'name': 
'osmium', 'domid': '110', 'image/xen-version': 'xen-3.0', 'store/port': '1'}
[2011-12-14 21:44:18 11562] DEBUG (DevController:95) DevController: 
writing {'protocol': 'x86_64-abi', 'state': '1', 'backend-id': '0', 
'backend': '/local/domain/0/backend/console/110/0'} to 
/local/domain/110/device/console/0.
[2011-12-14 21:44:18 11562] DEBUG (DevController:97) DevController: 
writing {'domain': 'osmium', 'frontend': 
'/local/domain/110/device/console/0', 'uuid': 
'a68e0d86-dd95-591e-388b-f40dacd9dc4f', 'frontend-id': '110', 'state': 
'1', 'location': '2', 'online': '1', 'protocol': 'vt100'} to 
/local/domain/0/backend/console/110/0.
[2011-12-14 21:44:18 11562] DEBUG (XendDomainInfo:1891) 
XendDomainInfo.handleShutdownWatch
[2011-12-14 21:44:18 11562] DEBUG (DevController:139) Waiting for 
devices vif2.
[2011-12-14 21:44:18 11562] DEBUG (DevController:139) Waiting for 
devices vif.
[2011-12-14 21:44:18 11562] DEBUG (DevController:144) Waiting for 0.
[2011-12-14 21:44:18 11562] DEBUG (DevController:628) 
hotplugStatusCallback /local/domain/0/backend/vif/110/0/hotplug-status.
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:3053) 
XendDomainInfo.destroy: domid=110
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2411) Destroying 
device model
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2418) Releasing devices
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2424) Removing vif/0
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:1286) 
XendDomainInfo.destroyDevice: deviceClass = vif, device = vif/0
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2424) Removing vbd/51713
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:1286) 
XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/51713
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2424) Removing vbd/51714
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:1286) 
XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/51714
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2424) Removing console/0
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:1286) 
XendDomainInfo.destroyDevice: deviceClass = console, device = console/0
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2416) No device model
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2418) Releasing devices
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2424) Removing vif/0
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:1286) 
XendDomainInfo.destroyDevice: deviceClass = vif, device = vif/0
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2424) Removing vbd/51713
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:1286) 
XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/51713
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2424) Removing vbd/51714
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:1286) 
XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/51714

Here is "xm info":

host                   : hydrogen
release                : 2.6.32-5-xen-amd64
version                : #1 SMP Tue Jun 14 12:46:30 UTC 2011
machine                : x86_64
nr_cpus                : 8
nr_nodes               : 1
cores_per_socket       : 4
threads_per_core       : 1
cpu_mhz                : 2700
hw_caps                : 
bfebfbff:20100800:00000000:00000940:000ce3bd:00000000:00000001:00000000
virt_caps              : hvm
total_memory           : 64766
free_memory            : 21559
node_to_cpu            : node0:0-7
node_to_memory         : node0:21559
node_to_dma32_mem      : node0:3257
max_node_id            : 0
xen_major              : 4
xen_minor              : 0
xen_extra              : .1
xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 
hvm-3.0-x86_32p hvm-3.0-x86_64
xen_scheduler          : credit
xen_pagesize           : 4096
platform_params        : virt_start=0xffff800000000000
xen_changeset          : unavailable
xen_commandline        : /xen-4.0-amd64.gz dom0_mem=32768M
cc_compiler            : gcc version 4.4.5 (Debian 4.4.5-10)
cc_compile_by          : waldi
cc_compile_domain      : debian.org
cc_compile_date        : Wed Jan 12 14:04:06 UTC 2011
xend_config_format     : 4

Udev is runnig, tryed to restart it and restart xend. Os is debian linux 
(oldstable) with xen 4.0.
Actually it looks like same problem, described here: 
http://answerpot.com/showthread.php?282537-Error%3A+Device+51714+(vbd)+could+not+be+connected.+Hotplug+scripts+not+working.+While+creating+centOS+DomU+on+Dom0 
<http://answerpot.com/showthread.php?282537-Error%3A+Device+51714+%28vbd%29+could+not+be+connected.+Hotplug+scripts+not+working.+While+creating+centOS+DomU+on+Dom0> 
in last post.

Os: debian linux oldstable, xen 4.0

Thanks for any advice. Really don't want to reboot the server, and why 
actuallly it acting this way? What is 0 in "Waiting for 0"? First device?
Thank you.




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<html>
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    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
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  <body bgcolor="#FFFFFF" text="#000000">
    Hello to everyone.<br>
    <br>
    Here is the problem.<br>
    <br>
    Everything was working ok, the server was rebooted about one week
    ago and all virtual machines started without any problem, there
    isn't any important update in this week and now I have such problem:<br>
    <br>
    When i try to start new instance i get:<br>
    Error: Device 0 (vif) could not be connected. Hotplug scripts not
    working.<br>
    <br>
    But the problem isn't in bridging or such stuff. So, if i remove vif
    from guest config, there will be same error, but about vdb device.<br>
    So, how is possible to me fix this? How can i understand which one
    of scrips exactli "not working". I tried to add "touch /tmp/foonar"
    to xen-hotplug-common.sh script in /etc/xen, but it looks like it
    isn't runned by xm create at all (if i run it by hands - file
    appears, but after xm create - don't).<br>
    <br>
    So here is some logs like /var/log/xen/xend.log:<br>
    <br>
    [2011-12-14 21:44:17 11562] DEBUG (XendDomainInfo:101)
    XendDomainInfo.create(['vm', ['name', 'osmium'], ['memory', '512'],
    ['on_poweroff', 'destroy'],<br>
    Â ['on_reboot', 'restart'], ['on_crash', 'restart'],
    ['on_xend_start', 'ignore'], ['on_xend_stop', 'ignore'], ['vcpus',
    1], ['oos', 1], ['image', ['lin<br>
    ux', ['kernel', '/boot/vmlinuz-2.6.26-2-xen-amd64'], ['ramdisk',
    '/boot/initrd.img-2.6.26-2-xen-amd64'], ['root', '/dev/xvda2 ro'],
    ['videoram', 4], [<br>
    'tsc_mode', 0], ['nomigrate', 0]]], ['s3_integrity', 1], ['device',
    ['vbd', ['uname', 'phy:/dev/xen-data/osmium-swap'], ['dev',
    'xvda1'], ['mode', 'w'<br>
    ]]], ['device', ['vbd', ['uname', 'phy:/dev/xen-data/osmium-disk'],
    ['dev', 'xvda2'], ['mode', 'w']]], ['device', ['vif', ['ip',
    '193.106.92.235'], ['<br>
    mac', '00:16:3E:D9:15:D1']]]])<br>
    [2011-12-14 21:44:17 11562] DEBUG (XendDomainInfo:2508)
    XendDomainInfo.constructDomain<br>
    [2011-12-14 21:44:17 11562] DEBUG (balloon:220) Balloon: 22077188
    KiB free; need 16384; done.<br>
    [2011-12-14 21:44:17 11562] DEBUG (XendDomain:464) Adding Domain:
    110<br>
    [2011-12-14 21:44:17 11562] DEBUG (XendDomainInfo:2818)
    XendDomainInfo.initDomain: 110 256<br>
    [2011-12-14 21:44:17 11562] DEBUG (XendDomainInfo:2845)
    _initDomain:shadow_memory=0x0, memory_static_max=0x20000000,
    memory_static_min=0x0.<br>
    [2011-12-14 21:44:17 11562] INFO (image:182) buildDomain os=linux
    dom=110 vcpus=1<br>
    [2011-12-14 21:44:17 11562] DEBUG (image:721) domidÂ Â Â Â Â Â Â Â Â  = 110<br>
    [2011-12-14 21:44:17 11562] DEBUG (image:722) memsizeÂ Â Â Â Â Â Â  = 512<br>
    [2011-12-14 21:44:17 11562] DEBUG (image:723) imageÂ Â Â Â Â Â Â Â Â  =
    /boot/vmlinuz-2.6.26-2-xen-amd64<br>
    [2011-12-14 21:44:17 11562] DEBUG (image:724) store_evtchnÂ Â  = 1<br>
    [2011-12-14 21:44:17 11562] DEBUG (image:725) console_evtchn = 2<br>
    [2011-12-14 21:44:17 11562] DEBUG (image:726) cmdlineÂ Â Â Â Â Â Â  =
    root=/dev/xvda2 ro<br>
    [2011-12-14 21:44:17 11562] DEBUG (image:727) ramdiskÂ Â Â Â Â Â Â  =
    /boot/initrd.img-2.6.26-2-xen-amd64<br>
    [2011-12-14 21:44:17 11562] DEBUG (image:728) vcpusÂ Â Â Â Â Â Â Â Â  = 1<br>
    [2011-12-14 21:44:17 11562] DEBUG (image:729) featuresÂ Â Â Â Â Â  =<br>
    [2011-12-14 21:44:17 11562] DEBUG (image:730) flagsÂ Â Â Â Â Â Â Â Â  = 0<br>
    [2011-12-14 21:44:17 11562] DEBUG (image:731) superpagesÂ Â Â Â  = 0<br>
    [2011-12-14 21:44:18 11562] INFO (XendDomainInfo:2367) createDevice:
    vbd : {'uuid': '82f280fa-df4f-dc5c-ff4f-8fac6e776a7f', 'bootable':
    1, 'driver': '<br>
    paravirtualised', 'dev': 'xvda1', 'uname':
    'phy:/dev/xen-data/osmium-swap', 'mode': 'w'}<br>
    [2011-12-14 21:44:18 11562] DEBUG (DevController:95) DevController:
    writing {'virtual-device': '51713', 'device-type': 'disk',
    'protocol': 'x86_64-abi<br>
    ', 'backend-id': '0', 'state': '1', 'backend':
    '/local/domain/0/backend/vbd/110/51713'} to
    /local/domain/110/device/vbd/51713.<br>
    [2011-12-14 21:44:18 11562] DEBUG (DevController:97) DevController:
    writing {'domain': 'osmium', 'frontend':
    '/local/domain/110/device/vbd/51713', 'uu<br>
    id': '82f280fa-df4f-dc5c-ff4f-8fac6e776a7f', 'bootable': '1', 'dev':
    'xvda1', 'state': '1', 'params': '/dev/xen-data/osmium-swap',
    'mode': 'w', 'onlin<br>
    e': '1', 'frontend-id': '110', 'type': 'phy'} to
    /local/domain/0/backend/vbd/110/51713.<br>
    [2011-12-14 21:44:18 11562] INFO (XendDomainInfo:2367) createDevice:
    vbd : {'uuid': '4370c698-38ba-89a9-4c66-89674c05a49b', 'bootable':
    0, 'driver': '<br>
    paravirtualised', 'dev': 'xvda2', 'uname':
    'phy:/dev/xen-data/osmium-disk', 'mode': 'w'}<br>
    [2011-12-14 21:44:18 11562] DEBUG (DevController:95) DevController:
    writing {'virtual-device': '51714', 'device-type': 'disk',
    'protocol': 'x86_64-abi<br>
    ', 'backend-id': '0', 'state': '1', 'backend':
    '/local/domain/0/backend/vbd/110/51714'} to
    /local/domain/110/device/vbd/51714.<br>
    [2011-12-14 21:44:18 11562] DEBUG (DevController:97) DevController:
    writing {'domain': 'osmium', 'frontend':
    '/local/domain/110/device/vbd/51714', 'uu<br>
    id': '4370c698-38ba-89a9-4c66-89674c05a49b', 'bootable': '0', 'dev':
    'xvda2', 'state': '1', 'params': '/dev/xen-data/osmium-disk',
    'mode': 'w', 'onlin<br>
    e': '1', 'frontend-id': '110', 'type': 'phy'} to
    /local/domain/0/backend/vbd/110/51714.<br>
    [2011-12-14 21:44:18 11562] INFO (XendDomainInfo:2367) createDevice:
    vif : {'ip': '193.106.92.235', 'mac': '00:16:3E:D9:15:D1', 'uuid':
    'afd029dd-5a5d<br>
    -e65b-4615-03761cfdc984'}<br>
    [2011-12-14 21:44:18 11562] DEBUG (DevController:95) DevController:
    writing {'mac': '00:16:3E:D9:15:D1', 'handle': '0', 'protocol':
    'x86_64-abi', 'bac<br>
    kend-id': '0', 'state': '1', 'backend':
    '/local/domain/0/backend/vif/110/0'} to
    /local/domain/110/device/vif/0.<br>
    [2011-12-14 21:44:18 11562] DEBUG (DevController:97) DevController:
    writing {'domain': 'osmium', 'handle': '0', 'uuid':
    'afd029dd-5a5d-e65b-4615-03761<br>
    cfdc984', 'script': '/etc/xen/scripts/vif-bridge', 'ip':
    '193.106.92.235', 'mac': '00:16:3E:D9:15:D1', 'frontend-id': '110',
    'state': '1', 'online': '<br>
    1', 'frontend': '/local/domain/110/device/vif/0'} to
    /local/domain/0/backend/vif/110/0.<br>
    [2011-12-14 21:44:18 11562] DEBUG (XendDomainInfo:3400) Storing VM
    details: {'on_xend_stop': 'ignore', 'shadow_memory': '0', 'uuid':
    'ec1368e5-94f5-3e<br>
    1a-dabe-010efdb55a95', 'on_reboot': 'restart', 'start_time':
    '1323884658.28', 'on_poweroff': 'destroy', 'bootloader_args': '',
    'on_xend_start': 'ignor<br>
    e', 'on_crash': 'restart', 'xend/restart_count': '0', 'vcpus': '1',
    'vcpu_avail': '1', 'bootloader': '', 'image': "(linux (kernel
    /boot/vmlinuz-2.6.26<br>
    -2-xen-amd64) (ramdisk /boot/initrd.img-2.6.26-2-xen-amd64) (args
    'root=/dev/xvda2 ro ') (superpages 0) (tsc_mode 0) (videoram 4) (pci
    ()) (nomigrate <br>
    0) (notes (FEATURES
    'writable_page_tables|writable_descriptor_tables|auto_translated_physmap|pae_pgdir_above_4gb|supervisor_mode_kernel')
    (VIRT_BASE 1<br>
    8446744071562067968) <br>
    (GUEST_VERSION 2.6) (PADDR_OFFSET 0) (GUEST_OS linux)
    (HYPERCALL_PAGE 18446744071564197888) (LOADER generic)
    (SUSPEND_CANCEL 1) (ENTRY 18446744071564165120) (XEN_VERSION
    xen-3.0)))", 'name': 'osmium'}<br>
    [2011-12-14 21:44:18 11562] DEBUG (XendDomainInfo:1804) Storing
    domain details: {'console/ring-ref': '7282736', 'image/entry':
    '18446744071564165120', 'console/port': '2', 'store/ring-ref':
    '7282737', 'image/loader': 'generic', 'vm':
    '/vm/ec1368e5-94f5-3e1a-dabe-010efdb55a95',
    'control/platform-feature-multiprocessor-suspend': '1',
    'image/guest-os': 'linux',
    'image/features/writable-descriptor-tables': '1', 'image/virt-base':
    '18446744071562067968', 'memory/target': '524288',
    'image/guest-version': '2.6',
    'image/features/supervisor-mode-kernel': '1', 'description': '',
    'console/limit': '1048576', 'image/paddr-offset': '0',
    'image/hypercall-page': '18446744071564197888',
    'image/suspend-cancel': '1', 'cpu/0/availability': 'online',
    'image/features/pae-pgdir-above-4gb': '1',
    'image/features/writable-page-tables': '1', 'console/type':
    'xenconsoled', 'image/features/auto-translated-physmap': '1',
    'name': 'osmium', 'domid': '110', 'image/xen-version': 'xen-3.0',
    'store/port': '1'}<br>
    [2011-12-14 21:44:18 11562] DEBUG (DevController:95) DevController:
    writing {'protocol': 'x86_64-abi', 'state': '1', 'backend-id': '0',
    'backend': '/local/domain/0/backend/console/110/0'} to
    /local/domain/110/device/console/0.<br>
    [2011-12-14 21:44:18 11562] DEBUG (DevController:97) DevController:
    writing {'domain': 'osmium', 'frontend':
    '/local/domain/110/device/console/0', 'uuid':
    'a68e0d86-dd95-591e-388b-f40dacd9dc4f', 'frontend-id': '110',
    'state': '1', 'location': '2', 'online': '1', 'protocol': 'vt100'}
    to /local/domain/0/backend/console/110/0.<br>
    [2011-12-14 21:44:18 11562] DEBUG (XendDomainInfo:1891)
    XendDomainInfo.handleShutdownWatch<br>
    [2011-12-14 21:44:18 11562] DEBUG (DevController:139) Waiting for
    devices vif2.<br>
    [2011-12-14 21:44:18 11562] DEBUG (DevController:139) Waiting for
    devices vif.<br>
    [2011-12-14 21:44:18 11562] DEBUG (DevController:144) Waiting for 0.<br>
    [2011-12-14 21:44:18 11562] DEBUG (DevController:628)
    hotplugStatusCallback
    /local/domain/0/backend/vif/110/0/hotplug-status.<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:3053)
    XendDomainInfo.destroy: domid=110<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2411) Destroying
    device model<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2418) Releasing
    devices<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2424) Removing
    vif/0<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:1286)
    XendDomainInfo.destroyDevice: deviceClass = vif, device = vif/0<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2424) Removing
    vbd/51713<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:1286)
    XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/51713<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2424) Removing
    vbd/51714<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:1286)
    XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/51714<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2424) Removing
    console/0<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:1286)
    XendDomainInfo.destroyDevice: deviceClass = console, device =
    console/0<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2416) No device
    model<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2418) Releasing
    devices<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2424) Removing
    vif/0<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:1286)
    XendDomainInfo.destroyDevice: deviceClass = vif, device = vif/0<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2424) Removing
    vbd/51713<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:1286)
    XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/51713<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2424) Removing
    vbd/51714<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:1286)
    XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/51714<br>
    <br>
    Here is "xm info":<br>
    <br>
    hostÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â  : hydrogen<br>
    releaseÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â  : 2.6.32-5-xen-amd64<br>
    versionÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â  : #1 SMP Tue Jun 14 12:46:30 UTC 2011<br>
    machineÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â  : x86_64<br>
    nr_cpusÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â  : 8<br>
    nr_nodesÂ Â Â Â Â Â Â Â Â Â Â Â Â Â  : 1<br>
    cores_per_socketÂ Â Â Â Â Â  : 4<br>
    threads_per_coreÂ Â Â Â Â Â  : 1<br>
    cpu_mhzÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â  : 2700<br>
    hw_capsÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â  :
    bfebfbff:20100800:00000000:00000940:000ce3bd:00000000:00000001:00000000<br>
    virt_capsÂ Â Â Â Â Â Â Â Â Â Â Â Â  : hvm<br>
    total_memoryÂ Â Â Â Â Â Â Â Â Â  : 64766<br>
    free_memoryÂ Â Â Â Â Â Â Â Â Â Â  : 21559<br>
    node_to_cpuÂ Â Â Â Â Â Â Â Â Â Â  : node0:0-7<br>
    node_to_memoryÂ Â Â Â Â Â Â Â  : node0:21559<br>
    node_to_dma32_memÂ Â Â Â Â  : node0:3257<br>
    max_node_idÂ Â Â Â Â Â Â Â Â Â Â  : 0<br>
    xen_majorÂ Â Â Â Â Â Â Â Â Â Â Â Â  : 4<br>
    xen_minorÂ Â Â Â Â Â Â Â Â Â Â Â Â  : 0<br>
    xen_extraÂ Â Â Â Â Â Â Â Â Â Â Â Â  : .1<br>
    xen_capsÂ Â Â Â Â Â Â Â Â Â Â Â Â Â  : xen-3.0-x86_64 xen-3.0-x86_32p
    hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64 <br>
    xen_schedulerÂ Â Â Â Â Â Â Â Â  : credit<br>
    xen_pagesizeÂ Â Â Â Â Â Â Â Â Â  : 4096<br>
    platform_paramsÂ Â Â Â Â Â Â  : virt_start=0xffff800000000000<br>
    xen_changesetÂ Â Â Â Â Â Â Â Â  : unavailable<br>
    xen_commandlineÂ Â Â Â Â Â Â  : /xen-4.0-amd64.gz dom0_mem=32768M<br>
    cc_compilerÂ Â Â Â Â Â Â Â Â Â Â  : gcc version 4.4.5 (Debian 4.4.5-10) <br>
    cc_compile_byÂ Â Â Â Â Â Â Â Â  : waldi<br>
    cc_compile_domainÂ Â Â Â Â  : debian.org<br>
    cc_compile_dateÂ Â Â Â Â Â Â  : Wed Jan 12 14:04:06 UTC 2011<br>
    xend_config_formatÂ Â Â Â  : 4<br>
    <br>
    Udev is runnig, tryed to restart it and restart xend. Os is debian
    linux (oldstable) with xen 4.0.<br>
    Actually it looks like same problem, described here:
    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
    <a
href="http://answerpot.com/showthread.php?282537-Error%3A+Device+51714+%28vbd%29+could+not+be+connected.+Hotplug+scripts+not+working.+While+creating+centOS+DomU+on+Dom0">http://answerpot.com/showthread.php?282537-Error%3A+Device+51714+(vbd)+could+not+be+connected.+Hotplug+scripts+not+working.+While+creating+centOS+DomU+on+Dom0</a>
    in last post.<br>
    <br>
    Os: debian linux oldstable, xen 4.0<br>
    <br>
    Thanks for any advice. Really don't want to reboot the server, and
    why actuallly it acting this way? What is 0 in "Waiting for 0"?
    First device?<br>
    Thank you.<br>
    <br>
    <br>
    <br>
  </body>
</html>

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Subject: [Xen-users] Xen 4.0 debian fails to create any device and start any
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Hello to everyone.

Here is the problem.

Everything was working ok, the server was rebooted about one week ago 
and all virtual machines started without any problem, there isn't any 
important update in this week and now I have such problem:

When i try to start new instance i get:
Error: Device 0 (vif) could not be connected. Hotplug scripts not working.

But the problem isn't in bridging or such stuff. So, if i remove vif 
from guest config, there will be same error, but about vdb device.
So, how is possible to me fix this? How can i understand which one of 
scrips exactli "not working". I tried to add "touch /tmp/foonar" to 
xen-hotplug-common.sh script in /etc/xen, but it looks like it isn't 
runned by xm create at all (if i run it by hands - file appears, but 
after xm create - don't).

So here is some logs like /var/log/xen/xend.log:

[2011-12-14 21:44:17 11562] DEBUG (XendDomainInfo:101) 
XendDomainInfo.create(['vm', ['name', 'osmium'], ['memory', '512'], 
['on_poweroff', 'destroy'],
  ['on_reboot', 'restart'], ['on_crash', 'restart'], ['on_xend_start', 
'ignore'], ['on_xend_stop', 'ignore'], ['vcpus', 1], ['oos', 1], 
['image', ['lin
ux', ['kernel', '/boot/vmlinuz-2.6.26-2-xen-amd64'], ['ramdisk', 
'/boot/initrd.img-2.6.26-2-xen-amd64'], ['root', '/dev/xvda2 ro'], 
['videoram', 4], [
'tsc_mode', 0], ['nomigrate', 0]]], ['s3_integrity', 1], ['device', 
['vbd', ['uname', 'phy:/dev/xen-data/osmium-swap'], ['dev', 'xvda1'], 
['mode', 'w'
]]], ['device', ['vbd', ['uname', 'phy:/dev/xen-data/osmium-disk'], 
['dev', 'xvda2'], ['mode', 'w']]], ['device', ['vif', ['ip', 
'193.106.92.235'], ['
mac', '00:16:3E:D9:15:D1']]]])
[2011-12-14 21:44:17 11562] DEBUG (XendDomainInfo:2508) 
XendDomainInfo.constructDomain
[2011-12-14 21:44:17 11562] DEBUG (balloon:220) Balloon: 22077188 KiB 
free; need 16384; done.
[2011-12-14 21:44:17 11562] DEBUG (XendDomain:464) Adding Domain: 110
[2011-12-14 21:44:17 11562] DEBUG (XendDomainInfo:2818) 
XendDomainInfo.initDomain: 110 256
[2011-12-14 21:44:17 11562] DEBUG (XendDomainInfo:2845) 
_initDomain:shadow_memory=0x0, memory_static_max=0x20000000, 
memory_static_min=0x0.
[2011-12-14 21:44:17 11562] INFO (image:182) buildDomain os=linux 
dom=110 vcpus=1
[2011-12-14 21:44:17 11562] DEBUG (image:721) domid          = 110
[2011-12-14 21:44:17 11562] DEBUG (image:722) memsize        = 512
[2011-12-14 21:44:17 11562] DEBUG (image:723) image          = 
/boot/vmlinuz-2.6.26-2-xen-amd64
[2011-12-14 21:44:17 11562] DEBUG (image:724) store_evtchn   = 1
[2011-12-14 21:44:17 11562] DEBUG (image:725) console_evtchn = 2
[2011-12-14 21:44:17 11562] DEBUG (image:726) cmdline        = 
root=/dev/xvda2 ro
[2011-12-14 21:44:17 11562] DEBUG (image:727) ramdisk        = 
/boot/initrd.img-2.6.26-2-xen-amd64
[2011-12-14 21:44:17 11562] DEBUG (image:728) vcpus          = 1
[2011-12-14 21:44:17 11562] DEBUG (image:729) features       =
[2011-12-14 21:44:17 11562] DEBUG (image:730) flags          = 0
[2011-12-14 21:44:17 11562] DEBUG (image:731) superpages     = 0
[2011-12-14 21:44:18 11562] INFO (XendDomainInfo:2367) createDevice: vbd 
: {'uuid': '82f280fa-df4f-dc5c-ff4f-8fac6e776a7f', 'bootable': 1, 
'driver': '
paravirtualised', 'dev': 'xvda1', 'uname': 
'phy:/dev/xen-data/osmium-swap', 'mode': 'w'}
[2011-12-14 21:44:18 11562] DEBUG (DevController:95) DevController: 
writing {'virtual-device': '51713', 'device-type': 'disk', 'protocol': 
'x86_64-abi
', 'backend-id': '0', 'state': '1', 'backend': 
'/local/domain/0/backend/vbd/110/51713'} to 
/local/domain/110/device/vbd/51713.
[2011-12-14 21:44:18 11562] DEBUG (DevController:97) DevController: 
writing {'domain': 'osmium', 'frontend': 
'/local/domain/110/device/vbd/51713', 'uu
id': '82f280fa-df4f-dc5c-ff4f-8fac6e776a7f', 'bootable': '1', 'dev': 
'xvda1', 'state': '1', 'params': '/dev/xen-data/osmium-swap', 'mode': 
'w', 'onlin
e': '1', 'frontend-id': '110', 'type': 'phy'} to 
/local/domain/0/backend/vbd/110/51713.
[2011-12-14 21:44:18 11562] INFO (XendDomainInfo:2367) createDevice: vbd 
: {'uuid': '4370c698-38ba-89a9-4c66-89674c05a49b', 'bootable': 0, 
'driver': '
paravirtualised', 'dev': 'xvda2', 'uname': 
'phy:/dev/xen-data/osmium-disk', 'mode': 'w'}
[2011-12-14 21:44:18 11562] DEBUG (DevController:95) DevController: 
writing {'virtual-device': '51714', 'device-type': 'disk', 'protocol': 
'x86_64-abi
', 'backend-id': '0', 'state': '1', 'backend': 
'/local/domain/0/backend/vbd/110/51714'} to 
/local/domain/110/device/vbd/51714.
[2011-12-14 21:44:18 11562] DEBUG (DevController:97) DevController: 
writing {'domain': 'osmium', 'frontend': 
'/local/domain/110/device/vbd/51714', 'uu
id': '4370c698-38ba-89a9-4c66-89674c05a49b', 'bootable': '0', 'dev': 
'xvda2', 'state': '1', 'params': '/dev/xen-data/osmium-disk', 'mode': 
'w', 'onlin
e': '1', 'frontend-id': '110', 'type': 'phy'} to 
/local/domain/0/backend/vbd/110/51714.
[2011-12-14 21:44:18 11562] INFO (XendDomainInfo:2367) createDevice: vif 
: {'ip': '193.106.92.235', 'mac': '00:16:3E:D9:15:D1', 'uuid': 
'afd029dd-5a5d
-e65b-4615-03761cfdc984'}
[2011-12-14 21:44:18 11562] DEBUG (DevController:95) DevController: 
writing {'mac': '00:16:3E:D9:15:D1', 'handle': '0', 'protocol': 
'x86_64-abi', 'bac
kend-id': '0', 'state': '1', 'backend': 
'/local/domain/0/backend/vif/110/0'} to /local/domain/110/device/vif/0.
[2011-12-14 21:44:18 11562] DEBUG (DevController:97) DevController: 
writing {'domain': 'osmium', 'handle': '0', 'uuid': 
'afd029dd-5a5d-e65b-4615-03761
cfdc984', 'script': '/etc/xen/scripts/vif-bridge', 'ip': 
'193.106.92.235', 'mac': '00:16:3E:D9:15:D1', 'frontend-id': '110', 
'state': '1', 'online': '
1', 'frontend': '/local/domain/110/device/vif/0'} to 
/local/domain/0/backend/vif/110/0.
[2011-12-14 21:44:18 11562] DEBUG (XendDomainInfo:3400) Storing VM 
details: {'on_xend_stop': 'ignore', 'shadow_memory': '0', 'uuid': 
'ec1368e5-94f5-3e
1a-dabe-010efdb55a95', 'on_reboot': 'restart', 'start_time': 
'1323884658.28', 'on_poweroff': 'destroy', 'bootloader_args': '', 
'on_xend_start': 'ignor
e', 'on_crash': 'restart', 'xend/restart_count': '0', 'vcpus': '1', 
'vcpu_avail': '1', 'bootloader': '', 'image': "(linux (kernel 
/boot/vmlinuz-2.6.26
-2-xen-amd64) (ramdisk /boot/initrd.img-2.6.26-2-xen-amd64) (args 
'root=/dev/xvda2 ro ') (superpages 0) (tsc_mode 0) (videoram 4) (pci ()) 
(nomigrate
0) (notes (FEATURES 
'writable_page_tables|writable_descriptor_tables|auto_translated_physmap|pae_pgdir_above_4gb|supervisor_mode_kernel') 
(VIRT_BASE 1
8446744071562067968)
(GUEST_VERSION 2.6) (PADDR_OFFSET 0) (GUEST_OS linux) (HYPERCALL_PAGE 
18446744071564197888) (LOADER generic) (SUSPEND_CANCEL 1) (ENTRY 
18446744071564165120) (XEN_VERSION xen-3.0)))", 'name': 'osmium'}
[2011-12-14 21:44:18 11562] DEBUG (XendDomainInfo:1804) Storing domain 
details: {'console/ring-ref': '7282736', 'image/entry': 
'18446744071564165120', 'console/port': '2', 'store/ring-ref': 
'7282737', 'image/loader': 'generic', 'vm': 
'/vm/ec1368e5-94f5-3e1a-dabe-010efdb55a95', 
'control/platform-feature-multiprocessor-suspend': '1', 
'image/guest-os': 'linux', 'image/features/writable-descriptor-tables': 
'1', 'image/virt-base': '18446744071562067968', 'memory/target': 
'524288', 'image/guest-version': '2.6', 
'image/features/supervisor-mode-kernel': '1', 'description': '', 
'console/limit': '1048576', 'image/paddr-offset': '0', 
'image/hypercall-page': '18446744071564197888', 'image/suspend-cancel': 
'1', 'cpu/0/availability': 'online', 
'image/features/pae-pgdir-above-4gb': '1', 
'image/features/writable-page-tables': '1', 'console/type': 
'xenconsoled', 'image/features/auto-translated-physmap': '1', 'name': 
'osmium', 'domid': '110', 'image/xen-version': 'xen-3.0', 'store/port': '1'}
[2011-12-14 21:44:18 11562] DEBUG (DevController:95) DevController: 
writing {'protocol': 'x86_64-abi', 'state': '1', 'backend-id': '0', 
'backend': '/local/domain/0/backend/console/110/0'} to 
/local/domain/110/device/console/0.
[2011-12-14 21:44:18 11562] DEBUG (DevController:97) DevController: 
writing {'domain': 'osmium', 'frontend': 
'/local/domain/110/device/console/0', 'uuid': 
'a68e0d86-dd95-591e-388b-f40dacd9dc4f', 'frontend-id': '110', 'state': 
'1', 'location': '2', 'online': '1', 'protocol': 'vt100'} to 
/local/domain/0/backend/console/110/0.
[2011-12-14 21:44:18 11562] DEBUG (XendDomainInfo:1891) 
XendDomainInfo.handleShutdownWatch
[2011-12-14 21:44:18 11562] DEBUG (DevController:139) Waiting for 
devices vif2.
[2011-12-14 21:44:18 11562] DEBUG (DevController:139) Waiting for 
devices vif.
[2011-12-14 21:44:18 11562] DEBUG (DevController:144) Waiting for 0.
[2011-12-14 21:44:18 11562] DEBUG (DevController:628) 
hotplugStatusCallback /local/domain/0/backend/vif/110/0/hotplug-status.
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:3053) 
XendDomainInfo.destroy: domid=110
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2411) Destroying 
device model
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2418) Releasing devices
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2424) Removing vif/0
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:1286) 
XendDomainInfo.destroyDevice: deviceClass = vif, device = vif/0
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2424) Removing vbd/51713
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:1286) 
XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/51713
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2424) Removing vbd/51714
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:1286) 
XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/51714
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2424) Removing console/0
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:1286) 
XendDomainInfo.destroyDevice: deviceClass = console, device = console/0
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2416) No device model
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2418) Releasing devices
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2424) Removing vif/0
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:1286) 
XendDomainInfo.destroyDevice: deviceClass = vif, device = vif/0
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2424) Removing vbd/51713
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:1286) 
XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/51713
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2424) Removing vbd/51714
[2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:1286) 
XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/51714

Here is "xm info":

host                   : hydrogen
release                : 2.6.32-5-xen-amd64
version                : #1 SMP Tue Jun 14 12:46:30 UTC 2011
machine                : x86_64
nr_cpus                : 8
nr_nodes               : 1
cores_per_socket       : 4
threads_per_core       : 1
cpu_mhz                : 2700
hw_caps                : 
bfebfbff:20100800:00000000:00000940:000ce3bd:00000000:00000001:00000000
virt_caps              : hvm
total_memory           : 64766
free_memory            : 21559
node_to_cpu            : node0:0-7
node_to_memory         : node0:21559
node_to_dma32_mem      : node0:3257
max_node_id            : 0
xen_major              : 4
xen_minor              : 0
xen_extra              : .1
xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 
hvm-3.0-x86_32p hvm-3.0-x86_64
xen_scheduler          : credit
xen_pagesize           : 4096
platform_params        : virt_start=0xffff800000000000
xen_changeset          : unavailable
xen_commandline        : /xen-4.0-amd64.gz dom0_mem=32768M
cc_compiler            : gcc version 4.4.5 (Debian 4.4.5-10)
cc_compile_by          : waldi
cc_compile_domain      : debian.org
cc_compile_date        : Wed Jan 12 14:04:06 UTC 2011
xend_config_format     : 4

Udev is runnig, tryed to restart it and restart xend. Os is debian linux 
(oldstable) with xen 4.0.
Actually it looks like same problem, described here: 
http://answerpot.com/showthread.php?282537-Error%3A+Device+51714+(vbd)+could+not+be+connected.+Hotplug+scripts+not+working.+While+creating+centOS+DomU+on+Dom0 
<http://answerpot.com/showthread.php?282537-Error%3A+Device+51714+%28vbd%29+could+not+be+connected.+Hotplug+scripts+not+working.+While+creating+centOS+DomU+on+Dom0> 
in last post.

Os: debian linux oldstable, xen 4.0

Thanks for any advice. Really don't want to reboot the server, and why 
actuallly it acting this way? What is 0 in "Waiting for 0"? First device?
Thank you.




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    Hello to everyone.<br>
    <br>
    Here is the problem.<br>
    <br>
    Everything was working ok, the server was rebooted about one week
    ago and all virtual machines started without any problem, there
    isn't any important update in this week and now I have such problem:<br>
    <br>
    When i try to start new instance i get:<br>
    Error: Device 0 (vif) could not be connected. Hotplug scripts not
    working.<br>
    <br>
    But the problem isn't in bridging or such stuff. So, if i remove vif
    from guest config, there will be same error, but about vdb device.<br>
    So, how is possible to me fix this? How can i understand which one
    of scrips exactli "not working". I tried to add "touch /tmp/foonar"
    to xen-hotplug-common.sh script in /etc/xen, but it looks like it
    isn't runned by xm create at all (if i run it by hands - file
    appears, but after xm create - don't).<br>
    <br>
    So here is some logs like /var/log/xen/xend.log:<br>
    <br>
    [2011-12-14 21:44:17 11562] DEBUG (XendDomainInfo:101)
    XendDomainInfo.create(['vm', ['name', 'osmium'], ['memory', '512'],
    ['on_poweroff', 'destroy'],<br>
    Â ['on_reboot', 'restart'], ['on_crash', 'restart'],
    ['on_xend_start', 'ignore'], ['on_xend_stop', 'ignore'], ['vcpus',
    1], ['oos', 1], ['image', ['lin<br>
    ux', ['kernel', '/boot/vmlinuz-2.6.26-2-xen-amd64'], ['ramdisk',
    '/boot/initrd.img-2.6.26-2-xen-amd64'], ['root', '/dev/xvda2 ro'],
    ['videoram', 4], [<br>
    'tsc_mode', 0], ['nomigrate', 0]]], ['s3_integrity', 1], ['device',
    ['vbd', ['uname', 'phy:/dev/xen-data/osmium-swap'], ['dev',
    'xvda1'], ['mode', 'w'<br>
    ]]], ['device', ['vbd', ['uname', 'phy:/dev/xen-data/osmium-disk'],
    ['dev', 'xvda2'], ['mode', 'w']]], ['device', ['vif', ['ip',
    '193.106.92.235'], ['<br>
    mac', '00:16:3E:D9:15:D1']]]])<br>
    [2011-12-14 21:44:17 11562] DEBUG (XendDomainInfo:2508)
    XendDomainInfo.constructDomain<br>
    [2011-12-14 21:44:17 11562] DEBUG (balloon:220) Balloon: 22077188
    KiB free; need 16384; done.<br>
    [2011-12-14 21:44:17 11562] DEBUG (XendDomain:464) Adding Domain:
    110<br>
    [2011-12-14 21:44:17 11562] DEBUG (XendDomainInfo:2818)
    XendDomainInfo.initDomain: 110 256<br>
    [2011-12-14 21:44:17 11562] DEBUG (XendDomainInfo:2845)
    _initDomain:shadow_memory=0x0, memory_static_max=0x20000000,
    memory_static_min=0x0.<br>
    [2011-12-14 21:44:17 11562] INFO (image:182) buildDomain os=linux
    dom=110 vcpus=1<br>
    [2011-12-14 21:44:17 11562] DEBUG (image:721) domidÂ Â Â Â Â Â Â Â Â  = 110<br>
    [2011-12-14 21:44:17 11562] DEBUG (image:722) memsizeÂ Â Â Â Â Â Â  = 512<br>
    [2011-12-14 21:44:17 11562] DEBUG (image:723) imageÂ Â Â Â Â Â Â Â Â  =
    /boot/vmlinuz-2.6.26-2-xen-amd64<br>
    [2011-12-14 21:44:17 11562] DEBUG (image:724) store_evtchnÂ Â  = 1<br>
    [2011-12-14 21:44:17 11562] DEBUG (image:725) console_evtchn = 2<br>
    [2011-12-14 21:44:17 11562] DEBUG (image:726) cmdlineÂ Â Â Â Â Â Â  =
    root=/dev/xvda2 ro<br>
    [2011-12-14 21:44:17 11562] DEBUG (image:727) ramdiskÂ Â Â Â Â Â Â  =
    /boot/initrd.img-2.6.26-2-xen-amd64<br>
    [2011-12-14 21:44:17 11562] DEBUG (image:728) vcpusÂ Â Â Â Â Â Â Â Â  = 1<br>
    [2011-12-14 21:44:17 11562] DEBUG (image:729) featuresÂ Â Â Â Â Â  =<br>
    [2011-12-14 21:44:17 11562] DEBUG (image:730) flagsÂ Â Â Â Â Â Â Â Â  = 0<br>
    [2011-12-14 21:44:17 11562] DEBUG (image:731) superpagesÂ Â Â Â  = 0<br>
    [2011-12-14 21:44:18 11562] INFO (XendDomainInfo:2367) createDevice:
    vbd : {'uuid': '82f280fa-df4f-dc5c-ff4f-8fac6e776a7f', 'bootable':
    1, 'driver': '<br>
    paravirtualised', 'dev': 'xvda1', 'uname':
    'phy:/dev/xen-data/osmium-swap', 'mode': 'w'}<br>
    [2011-12-14 21:44:18 11562] DEBUG (DevController:95) DevController:
    writing {'virtual-device': '51713', 'device-type': 'disk',
    'protocol': 'x86_64-abi<br>
    ', 'backend-id': '0', 'state': '1', 'backend':
    '/local/domain/0/backend/vbd/110/51713'} to
    /local/domain/110/device/vbd/51713.<br>
    [2011-12-14 21:44:18 11562] DEBUG (DevController:97) DevController:
    writing {'domain': 'osmium', 'frontend':
    '/local/domain/110/device/vbd/51713', 'uu<br>
    id': '82f280fa-df4f-dc5c-ff4f-8fac6e776a7f', 'bootable': '1', 'dev':
    'xvda1', 'state': '1', 'params': '/dev/xen-data/osmium-swap',
    'mode': 'w', 'onlin<br>
    e': '1', 'frontend-id': '110', 'type': 'phy'} to
    /local/domain/0/backend/vbd/110/51713.<br>
    [2011-12-14 21:44:18 11562] INFO (XendDomainInfo:2367) createDevice:
    vbd : {'uuid': '4370c698-38ba-89a9-4c66-89674c05a49b', 'bootable':
    0, 'driver': '<br>
    paravirtualised', 'dev': 'xvda2', 'uname':
    'phy:/dev/xen-data/osmium-disk', 'mode': 'w'}<br>
    [2011-12-14 21:44:18 11562] DEBUG (DevController:95) DevController:
    writing {'virtual-device': '51714', 'device-type': 'disk',
    'protocol': 'x86_64-abi<br>
    ', 'backend-id': '0', 'state': '1', 'backend':
    '/local/domain/0/backend/vbd/110/51714'} to
    /local/domain/110/device/vbd/51714.<br>
    [2011-12-14 21:44:18 11562] DEBUG (DevController:97) DevController:
    writing {'domain': 'osmium', 'frontend':
    '/local/domain/110/device/vbd/51714', 'uu<br>
    id': '4370c698-38ba-89a9-4c66-89674c05a49b', 'bootable': '0', 'dev':
    'xvda2', 'state': '1', 'params': '/dev/xen-data/osmium-disk',
    'mode': 'w', 'onlin<br>
    e': '1', 'frontend-id': '110', 'type': 'phy'} to
    /local/domain/0/backend/vbd/110/51714.<br>
    [2011-12-14 21:44:18 11562] INFO (XendDomainInfo:2367) createDevice:
    vif : {'ip': '193.106.92.235', 'mac': '00:16:3E:D9:15:D1', 'uuid':
    'afd029dd-5a5d<br>
    -e65b-4615-03761cfdc984'}<br>
    [2011-12-14 21:44:18 11562] DEBUG (DevController:95) DevController:
    writing {'mac': '00:16:3E:D9:15:D1', 'handle': '0', 'protocol':
    'x86_64-abi', 'bac<br>
    kend-id': '0', 'state': '1', 'backend':
    '/local/domain/0/backend/vif/110/0'} to
    /local/domain/110/device/vif/0.<br>
    [2011-12-14 21:44:18 11562] DEBUG (DevController:97) DevController:
    writing {'domain': 'osmium', 'handle': '0', 'uuid':
    'afd029dd-5a5d-e65b-4615-03761<br>
    cfdc984', 'script': '/etc/xen/scripts/vif-bridge', 'ip':
    '193.106.92.235', 'mac': '00:16:3E:D9:15:D1', 'frontend-id': '110',
    'state': '1', 'online': '<br>
    1', 'frontend': '/local/domain/110/device/vif/0'} to
    /local/domain/0/backend/vif/110/0.<br>
    [2011-12-14 21:44:18 11562] DEBUG (XendDomainInfo:3400) Storing VM
    details: {'on_xend_stop': 'ignore', 'shadow_memory': '0', 'uuid':
    'ec1368e5-94f5-3e<br>
    1a-dabe-010efdb55a95', 'on_reboot': 'restart', 'start_time':
    '1323884658.28', 'on_poweroff': 'destroy', 'bootloader_args': '',
    'on_xend_start': 'ignor<br>
    e', 'on_crash': 'restart', 'xend/restart_count': '0', 'vcpus': '1',
    'vcpu_avail': '1', 'bootloader': '', 'image': "(linux (kernel
    /boot/vmlinuz-2.6.26<br>
    -2-xen-amd64) (ramdisk /boot/initrd.img-2.6.26-2-xen-amd64) (args
    'root=/dev/xvda2 ro ') (superpages 0) (tsc_mode 0) (videoram 4) (pci
    ()) (nomigrate <br>
    0) (notes (FEATURES
    'writable_page_tables|writable_descriptor_tables|auto_translated_physmap|pae_pgdir_above_4gb|supervisor_mode_kernel')
    (VIRT_BASE 1<br>
    8446744071562067968) <br>
    (GUEST_VERSION 2.6) (PADDR_OFFSET 0) (GUEST_OS linux)
    (HYPERCALL_PAGE 18446744071564197888) (LOADER generic)
    (SUSPEND_CANCEL 1) (ENTRY 18446744071564165120) (XEN_VERSION
    xen-3.0)))", 'name': 'osmium'}<br>
    [2011-12-14 21:44:18 11562] DEBUG (XendDomainInfo:1804) Storing
    domain details: {'console/ring-ref': '7282736', 'image/entry':
    '18446744071564165120', 'console/port': '2', 'store/ring-ref':
    '7282737', 'image/loader': 'generic', 'vm':
    '/vm/ec1368e5-94f5-3e1a-dabe-010efdb55a95',
    'control/platform-feature-multiprocessor-suspend': '1',
    'image/guest-os': 'linux',
    'image/features/writable-descriptor-tables': '1', 'image/virt-base':
    '18446744071562067968', 'memory/target': '524288',
    'image/guest-version': '2.6',
    'image/features/supervisor-mode-kernel': '1', 'description': '',
    'console/limit': '1048576', 'image/paddr-offset': '0',
    'image/hypercall-page': '18446744071564197888',
    'image/suspend-cancel': '1', 'cpu/0/availability': 'online',
    'image/features/pae-pgdir-above-4gb': '1',
    'image/features/writable-page-tables': '1', 'console/type':
    'xenconsoled', 'image/features/auto-translated-physmap': '1',
    'name': 'osmium', 'domid': '110', 'image/xen-version': 'xen-3.0',
    'store/port': '1'}<br>
    [2011-12-14 21:44:18 11562] DEBUG (DevController:95) DevController:
    writing {'protocol': 'x86_64-abi', 'state': '1', 'backend-id': '0',
    'backend': '/local/domain/0/backend/console/110/0'} to
    /local/domain/110/device/console/0.<br>
    [2011-12-14 21:44:18 11562] DEBUG (DevController:97) DevController:
    writing {'domain': 'osmium', 'frontend':
    '/local/domain/110/device/console/0', 'uuid':
    'a68e0d86-dd95-591e-388b-f40dacd9dc4f', 'frontend-id': '110',
    'state': '1', 'location': '2', 'online': '1', 'protocol': 'vt100'}
    to /local/domain/0/backend/console/110/0.<br>
    [2011-12-14 21:44:18 11562] DEBUG (XendDomainInfo:1891)
    XendDomainInfo.handleShutdownWatch<br>
    [2011-12-14 21:44:18 11562] DEBUG (DevController:139) Waiting for
    devices vif2.<br>
    [2011-12-14 21:44:18 11562] DEBUG (DevController:139) Waiting for
    devices vif.<br>
    [2011-12-14 21:44:18 11562] DEBUG (DevController:144) Waiting for 0.<br>
    [2011-12-14 21:44:18 11562] DEBUG (DevController:628)
    hotplugStatusCallback
    /local/domain/0/backend/vif/110/0/hotplug-status.<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:3053)
    XendDomainInfo.destroy: domid=110<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2411) Destroying
    device model<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2418) Releasing
    devices<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2424) Removing
    vif/0<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:1286)
    XendDomainInfo.destroyDevice: deviceClass = vif, device = vif/0<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2424) Removing
    vbd/51713<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:1286)
    XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/51713<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2424) Removing
    vbd/51714<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:1286)
    XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/51714<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2424) Removing
    console/0<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:1286)
    XendDomainInfo.destroyDevice: deviceClass = console, device =
    console/0<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2416) No device
    model<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2418) Releasing
    devices<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2424) Removing
    vif/0<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:1286)
    XendDomainInfo.destroyDevice: deviceClass = vif, device = vif/0<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2424) Removing
    vbd/51713<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:1286)
    XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/51713<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:2424) Removing
    vbd/51714<br>
    [2011-12-14 21:45:59 11562] DEBUG (XendDomainInfo:1286)
    XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/51714<br>
    <br>
    Here is "xm info":<br>
    <br>
    hostÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â  : hydrogen<br>
    releaseÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â  : 2.6.32-5-xen-amd64<br>
    versionÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â  : #1 SMP Tue Jun 14 12:46:30 UTC 2011<br>
    machineÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â  : x86_64<br>
    nr_cpusÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â  : 8<br>
    nr_nodesÂ Â Â Â Â Â Â Â Â Â Â Â Â Â  : 1<br>
    cores_per_socketÂ Â Â Â Â Â  : 4<br>
    threads_per_coreÂ Â Â Â Â Â  : 1<br>
    cpu_mhzÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â  : 2700<br>
    hw_capsÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â  :
    bfebfbff:20100800:00000000:00000940:000ce3bd:00000000:00000001:00000000<br>
    virt_capsÂ Â Â Â Â Â Â Â Â Â Â Â Â  : hvm<br>
    total_memoryÂ Â Â Â Â Â Â Â Â Â  : 64766<br>
    free_memoryÂ Â Â Â Â Â Â Â Â Â Â  : 21559<br>
    node_to_cpuÂ Â Â Â Â Â Â Â Â Â Â  : node0:0-7<br>
    node_to_memoryÂ Â Â Â Â Â Â Â  : node0:21559<br>
    node_to_dma32_memÂ Â Â Â Â  : node0:3257<br>
    max_node_idÂ Â Â Â Â Â Â Â Â Â Â  : 0<br>
    xen_majorÂ Â Â Â Â Â Â Â Â Â Â Â Â  : 4<br>
    xen_minorÂ Â Â Â Â Â Â Â Â Â Â Â Â  : 0<br>
    xen_extraÂ Â Â Â Â Â Â Â Â Â Â Â Â  : .1<br>
    xen_capsÂ Â Â Â Â Â Â Â Â Â Â Â Â Â  : xen-3.0-x86_64 xen-3.0-x86_32p
    hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64 <br>
    xen_schedulerÂ Â Â Â Â Â Â Â Â  : credit<br>
    xen_pagesizeÂ Â Â Â Â Â Â Â Â Â  : 4096<br>
    platform_paramsÂ Â Â Â Â Â Â  : virt_start=0xffff800000000000<br>
    xen_changesetÂ Â Â Â Â Â Â Â Â  : unavailable<br>
    xen_commandlineÂ Â Â Â Â Â Â  : /xen-4.0-amd64.gz dom0_mem=32768M<br>
    cc_compilerÂ Â Â Â Â Â Â Â Â Â Â  : gcc version 4.4.5 (Debian 4.4.5-10) <br>
    cc_compile_byÂ Â Â Â Â Â Â Â Â  : waldi<br>
    cc_compile_domainÂ Â Â Â Â  : debian.org<br>
    cc_compile_dateÂ Â Â Â Â Â Â  : Wed Jan 12 14:04:06 UTC 2011<br>
    xend_config_formatÂ Â Â Â  : 4<br>
    <br>
    Udev is runnig, tryed to restart it and restart xend. Os is debian
    linux (oldstable) with xen 4.0.<br>
    Actually it looks like same problem, described here:
    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
    <a
href="http://answerpot.com/showthread.php?282537-Error%3A+Device+51714+%28vbd%29+could+not+be+connected.+Hotplug+scripts+not+working.+While+creating+centOS+DomU+on+Dom0">http://answerpot.com/showthread.php?282537-Error%3A+Device+51714+(vbd)+could+not+be+connected.+Hotplug+scripts+not+working.+While+creating+centOS+DomU+on+Dom0</a>
    in last post.<br>
    <br>
    Os: debian linux oldstable, xen 4.0<br>
    <br>
    Thanks for any advice. Really don't want to reboot the server, and
    why actuallly it acting this way? What is 0 in "Waiting for 0"?
    First device?<br>
    Thank you.<br>
    <br>
    <br>
    <br>
  </body>
</html>

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Subject: Re: [Xen-users] [Xen-API] New name for Kronos? [was XCP 1.5
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On 14/12/11 17:32, Alex Perez wrote:
> I would go a single step further, and suggest that you not use the term
> "XCP" at all in the context of Kronos. There's already pleeenty of
> confusion about exactly what is what. Right now, XCP means one thing, and
> I would implore you to keep it that way.

One of the biggest effects of this confusion is that people are now
worried that XCP will become completely unstable, like Fedora versus
RHEL, and thus won't be suitable for serious enterprise deployments.

Perhaps just calling it Kronos is a good idea. Though our packaging is
nearly complete, and they are all prefixed with 'xcp-'... I suppose we
can leave that as it is, since it is the XCP toolstack we're installing.
Does anyone else feel this strongly about calling it Kronos, and NOT
mentioning XCP?

Mike

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On 14/12/11 17:32, Alex Perez wrote:
> I would go a single step further, and suggest that you not use the term
> "XCP" at all in the context of Kronos. There's already pleeenty of
> confusion about exactly what is what. Right now, XCP means one thing, and
> I would implore you to keep it that way.

One of the biggest effects of this confusion is that people are now
worried that XCP will become completely unstable, like Fedora versus
RHEL, and thus won't be suitable for serious enterprise deployments.

Perhaps just calling it Kronos is a good idea. Though our packaging is
nearly complete, and they are all prefixed with 'xcp-'... I suppose we
can leave that as it is, since it is the XCP toolstack we're installing.
Does anyone else feel this strongly about calling it Kronos, and NOT
mentioning XCP?

Mike

_______________________________________________
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On Wed, 2011-12-14 at 18:01 +0000, Mike McClurg wrote:
> On 14/12/11 17:32, Alex Perez wrote:
> > I would go a single step further, and suggest that you not use the term
> > "XCP" at all in the context of Kronos. There's already pleeenty of
> > confusion about exactly what is what. Right now, XCP means one thing, and
> > I would implore you to keep it that way.
> 
> One of the biggest effects of this confusion is that people are now
> worried that XCP will become completely unstable, like Fedora versus
> RHEL, and thus won't be suitable for serious enterprise deployments.
> 
> Perhaps just calling it Kronos is a good idea. Though our packaging is
> nearly complete, and they are all prefixed with 'xcp-'... I suppose we
> can leave that as it is, since it is the XCP toolstack we're installing.
> Does anyone else feel this strongly about calling it Kronos, and NOT
> mentioning XCP?

I prefer it with the XCP label, though xcp-debian might be better

> 
> Mike
> 
> _______________________________________________
> xen-api mailing list
> xen-api@lists.xensource.com
> http://lists.xensource.com/mailman/listinfo/xen-api



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Subject: Re: [Xen-users] [Xen-API] New name for Kronos? [was XCP 1.5
 availability]
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On Wed, 2011-12-14 at 18:01 +0000, Mike McClurg wrote:
> On 14/12/11 17:32, Alex Perez wrote:
> > I would go a single step further, and suggest that you not use the term
> > "XCP" at all in the context of Kronos. There's already pleeenty of
> > confusion about exactly what is what. Right now, XCP means one thing, and
> > I would implore you to keep it that way.
> 
> One of the biggest effects of this confusion is that people are now
> worried that XCP will become completely unstable, like Fedora versus
> RHEL, and thus won't be suitable for serious enterprise deployments.
> 
> Perhaps just calling it Kronos is a good idea. Though our packaging is
> nearly complete, and they are all prefixed with 'xcp-'... I suppose we
> can leave that as it is, since it is the XCP toolstack we're installing.
> Does anyone else feel this strongly about calling it Kronos, and NOT
> mentioning XCP?

I prefer it with the XCP label, though xcp-debian might be better

> 
> Mike
> 
> _______________________________________________
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From xen-users-bounces@lists.xensource.com Wed Dec 14 18:44:39 2011
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Subject: Re: [Xen-users] Error: Device 0 (vif) could not be connected. ip
 addr add 10.0.0.329 dev vif28.0 failed
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Ok, so a few months late because I found a way around my problem, but I'd
rather fix it:

The domU is not configured to use 329, but rather 202, which as far as I
know, should be ok. The problem is not present on older versions of Xen.

--
View this message in context: http://xen.1045712.n5.nabble.com/Error-Device-0-vif-could-not-be-connected-ip-addr-add-10-0-0-329-dev-vif28-0-failed-tp4869998p5075327.html
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Ok, so a few months late because I found a way around my problem, but I'd
rather fix it:

The domU is not configured to use 329, but rather 202, which as far as I
know, should be ok. The problem is not present on older versions of Xen.

--
View this message in context: http://xen.1045712.n5.nabble.com/Error-Device-0-vif-could-not-be-connected-ip-addr-add-10-0-0-329-dev-vif28-0-failed-tp4869998p5075327.html
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From xen-users-bounces@lists.xensource.com Wed Dec 14 18:46:28 2011
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Relevant line from the domU's config file:

vif         = [ 'ip=10.0.0.202,mac=00:16:3E:6A:A0:60' ]

--
View this message in context: http://xen.1045712.n5.nabble.com/Error-Device-0-vif-could-not-be-connected-ip-addr-add-10-0-0-329-dev-vif28-0-failed-tp4869998p5075329.html
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Subject: Re: [Xen-users] Error: Device 0 (vif) could not be connected. ip
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Relevant line from the domU's config file:

vif         = [ 'ip=10.0.0.202,mac=00:16:3E:6A:A0:60' ]

--
View this message in context: http://xen.1045712.n5.nabble.com/Error-Device-0-vif-could-not-be-connected-ip-addr-add-10-0-0-329-dev-vif28-0-failed-tp4869998p5075329.html
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I am using XenServer6, and I need to get performance equal or close to what
we get on the hardware, especially with large files.

Are there any hints host side or guest side to increase performance. What
should I look at?

--e89a8fb20838c0dc2b04b41258b4
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I am using XenServer6, and I need to get performance equal or close to what we get on the hardware, especially with large files.<div><br></div><div>Are there any hints host side or guest side to increase performance. What should I look at?</div>


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I am using XenServer6, and I need to get performance equal or close to what
we get on the hardware, especially with large files.

Are there any hints host side or guest side to increase performance. What
should I look at?

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I am using XenServer6, and I need to get performance equal or close to what we get on the hardware, especially with large files.<div><br></div><div>Are there any hints host side or guest side to increase performance. What should I look at?</div>


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that depends - what's your current bottleneck (cpu/disk/network)?

On Wed, Dec 14, 2011 at 2:26 PM, Andrew Wells <agwells0714@gmail.com> wrote:

> I am using XenServer6, and I need to get performance equal or close to
> what we get on the hardware, especially with large files.
>
> Are there any hints host side or guest side to increase performance. What
> should I look at?
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>
>

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that depends - what&#39;s your current bottleneck (cpu/disk/network)?<br><br><div class="gmail_quote">On Wed, Dec 14, 2011 at 2:26 PM, Andrew Wells <span dir="ltr">&lt;<a href="mailto:agwells0714@gmail.com">agwells0714@gmail.com</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I am using XenServer6, and I need to get performance equal or close to what we get on the hardware, especially with large files.<div>
<br></div><div>Are there any hints host side or guest side to increase performance. What should I look at?</div>

<br>_______________________________________________<br>
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that depends - what's your current bottleneck (cpu/disk/network)?

On Wed, Dec 14, 2011 at 2:26 PM, Andrew Wells <agwells0714@gmail.com> wrote:

> I am using XenServer6, and I need to get performance equal or close to
> what we get on the hardware, especially with large files.
>
> Are there any hints host side or guest side to increase performance. What
> should I look at?
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>
>

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that depends - what&#39;s your current bottleneck (cpu/disk/network)?<br><br><div class="gmail_quote">On Wed, Dec 14, 2011 at 2:26 PM, Andrew Wells <span dir="ltr">&lt;<a href="mailto:agwells0714@gmail.com">agwells0714@gmail.com</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">I am using XenServer6, and I need to get performance equal or close to what we get on the hardware, especially with large files.<div>
<br></div><div>Are there any hints host side or guest side to increase performance. What should I look at?</div>

<br>_______________________________________________<br>
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<br></blockquote></div><br>

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what does the config for the  domU look like - are you giving it a virtual
disk image stored on a local disk, using a SAN, giving it a local disk
directly, etc.

On Wed, Dec 14, 2011 at 2:40 PM, Andrew Wells <agwells0714@gmail.com> wrote:

> currently I am just checking and testing write performance to the disk
> locally on the guest
>
>
> On Wed, Dec 14, 2011 at 2:33 PM, John Sherwood <jrs@vt.edu> wrote:
>
>> that depends - what's your current bottleneck (cpu/disk/network)?
>>
>> On Wed, Dec 14, 2011 at 2:26 PM, Andrew Wells <agwells0714@gmail.com>wrote:
>>
>>> I am using XenServer6, and I need to get performance equal or close to
>>> what we get on the hardware, especially with large files.
>>>
>>> Are there any hints host side or guest side to increase performance.
>>> What should I look at?
>>>
>>> _______________________________________________
>>> Xen-users mailing list
>>> Xen-users@lists.xensource.com
>>> http://lists.xensource.com/xen-users
>>>
>>>
>>
>

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what does the config for the=A0 domU look like - are you giving it a virtua=
l disk image stored on a local disk, using a SAN, giving it a local disk di=
rectly, etc.<br><br><div class=3D"gmail_quote">On Wed, Dec 14, 2011 at 2:40=
 PM, Andrew Wells <span dir=3D"ltr">&lt;<a href=3D"mailto:agwells0714@gmail=
.com">agwells0714@gmail.com</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">currently I am just checking and testing wri=
te performance to the disk locally on the guest<div class=3D"HOEnZb"><div c=
lass=3D"h5">
<br><br><div class=3D"gmail_quote">On Wed, Dec 14, 2011 at 2:33 PM, John Sh=
erwood <span dir=3D"ltr">&lt;<a href=3D"mailto:jrs@vt.edu" target=3D"_blank=
">jrs@vt.edu</a>&gt;</span> wrote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">that depends - what&#39;s your current bottl=
eneck (cpu/disk/network)?<br><br><div class=3D"gmail_quote"><div>
On Wed, Dec 14, 2011 at 2:26 PM, Andrew Wells <span dir=3D"ltr">&lt;<a href=
=3D"mailto:agwells0714@gmail.com" target=3D"_blank">agwells0714@gmail.com</=
a>&gt;</span> wrote:<br>

</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-l=
eft:1px #ccc solid;padding-left:1ex"><div>I am using XenServer6, and I need=
 to get performance equal or close to what we get on the hardware, especial=
ly with large files.<div>



<br></div><div>Are there any hints host side or guest side to increase perf=
ormance. What should I look at?</div>

<br></div>_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com" target=3D"_blank">Xen-user=
s@lists.xensource.com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br>
<br></blockquote></div><br>
</blockquote></div><br>
</div></div></blockquote></div><br>

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From: John Sherwood <jrs@vt.edu>
To: Andrew Wells <agwells0714@gmail.com>,
	xen-users <xen-users@lists.xensource.com>
Subject: Re: [Xen-users] Disk IO tuning
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what does the config for the  domU look like - are you giving it a virtual
disk image stored on a local disk, using a SAN, giving it a local disk
directly, etc.

On Wed, Dec 14, 2011 at 2:40 PM, Andrew Wells <agwells0714@gmail.com> wrote:

> currently I am just checking and testing write performance to the disk
> locally on the guest
>
>
> On Wed, Dec 14, 2011 at 2:33 PM, John Sherwood <jrs@vt.edu> wrote:
>
>> that depends - what's your current bottleneck (cpu/disk/network)?
>>
>> On Wed, Dec 14, 2011 at 2:26 PM, Andrew Wells <agwells0714@gmail.com>wrote:
>>
>>> I am using XenServer6, and I need to get performance equal or close to
>>> what we get on the hardware, especially with large files.
>>>
>>> Are there any hints host side or guest side to increase performance.
>>> What should I look at?
>>>
>>> _______________________________________________
>>> Xen-users mailing list
>>> Xen-users@lists.xensource.com
>>> http://lists.xensource.com/xen-users
>>>
>>>
>>
>

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what does the config for the=A0 domU look like - are you giving it a virtua=
l disk image stored on a local disk, using a SAN, giving it a local disk di=
rectly, etc.<br><br><div class=3D"gmail_quote">On Wed, Dec 14, 2011 at 2:40=
 PM, Andrew Wells <span dir=3D"ltr">&lt;<a href=3D"mailto:agwells0714@gmail=
.com">agwells0714@gmail.com</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">currently I am just checking and testing wri=
te performance to the disk locally on the guest<div class=3D"HOEnZb"><div c=
lass=3D"h5">
<br><br><div class=3D"gmail_quote">On Wed, Dec 14, 2011 at 2:33 PM, John Sh=
erwood <span dir=3D"ltr">&lt;<a href=3D"mailto:jrs@vt.edu" target=3D"_blank=
">jrs@vt.edu</a>&gt;</span> wrote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">that depends - what&#39;s your current bottl=
eneck (cpu/disk/network)?<br><br><div class=3D"gmail_quote"><div>
On Wed, Dec 14, 2011 at 2:26 PM, Andrew Wells <span dir=3D"ltr">&lt;<a href=
=3D"mailto:agwells0714@gmail.com" target=3D"_blank">agwells0714@gmail.com</=
a>&gt;</span> wrote:<br>

</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-l=
eft:1px #ccc solid;padding-left:1ex"><div>I am using XenServer6, and I need=
 to get performance equal or close to what we get on the hardware, especial=
ly with large files.<div>



<br></div><div>Are there any hints host side or guest side to increase perf=
ormance. What should I look at?</div>

<br></div>_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com" target=3D"_blank">Xen-user=
s@lists.xensource.com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br>
<br></blockquote></div><br>
</blockquote></div><br>
</div></div></blockquote></div><br>

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From: John Sherwood <jrs@vt.edu>
To: Andrew Wells <agwells0714@gmail.com>,
	xen-users <xen-users@lists.xensource.com>
Subject: Re: [Xen-users] Disk IO tuning
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Use "reply all" to make sure you hit the mailing list.

The main penalty you'd hit is that if you're sharing that RAID device with
any other guests (including the dom0), that can demolish your I/O speeds as
it can terribly screw up what would be sequential reads.  What are your
benchmarks currently showing for native vs VM performance?

On Wed, Dec 14, 2011 at 2:49 PM, Andrew Wells <agwells0714@gmail.com> wrote:

> it is using virtual disk (i believe a lvm partition) on local storage;
> local storage is over 4 or 5 raid5 devices.
>
> The ram on the domu is 45GB
>
> The disk I am testing is 1TB
>
> On Wed, Dec 14, 2011 at 2:46 PM, John Sherwood <jrs@vt.edu> wrote:
>
>> what does the config for the  domU look like - are you giving it a
>> virtual disk image stored on a local disk, using a SAN, giving it a local
>> disk directly, etc.
>>
>>
>> On Wed, Dec 14, 2011 at 2:40 PM, Andrew Wells <agwells0714@gmail.com>wrote:
>>
>>> currently I am just checking and testing write performance to the disk
>>> locally on the guest
>>>
>>>
>>> On Wed, Dec 14, 2011 at 2:33 PM, John Sherwood <jrs@vt.edu> wrote:
>>>
>>>> that depends - what's your current bottleneck (cpu/disk/network)?
>>>>
>>>> On Wed, Dec 14, 2011 at 2:26 PM, Andrew Wells <agwells0714@gmail.com>wrote:
>>>>
>>>>> I am using XenServer6, and I need to get performance equal or close to
>>>>> what we get on the hardware, especially with large files.
>>>>>
>>>>> Are there any hints host side or guest side to increase performance.
>>>>> What should I look at?
>>>>>
>>>>> _______________________________________________
>>>>> Xen-users mailing list
>>>>> Xen-users@lists.xensource.com
>>>>> http://lists.xensource.com/xen-users
>>>>>
>>>>>
>>>>
>>>
>>
>

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Use &quot;reply all&quot; to make sure you hit the mailing list.<br><br>The=
 main penalty you&#39;d hit is that if you&#39;re sharing that RAID device =
with any other guests (including the dom0), that can demolish your I/O spee=
ds as it can terribly screw up what would be sequential reads.=A0 What are =
your benchmarks currently showing for native vs VM performance?<br>
<br><div class=3D"gmail_quote">On Wed, Dec 14, 2011 at 2:49 PM, Andrew Well=
s <span dir=3D"ltr">&lt;<a href=3D"mailto:agwells0714@gmail.com">agwells071=
4@gmail.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" styl=
e=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
it is using virtual disk (i believe a lvm partition) on local storage; loca=
l storage is over 4 or 5 raid5 devices.<div><br></div><div>The ram on the d=
omu is 45GB</div><div><br></div><div>The disk I am testing is 1TB</div>
<div class=3D"HOEnZb"><div class=3D"h5"><div>

<div><br><div class=3D"gmail_quote">On Wed, Dec 14, 2011 at 2:46 PM, John S=
herwood <span dir=3D"ltr">&lt;<a href=3D"mailto:jrs@vt.edu" target=3D"_blan=
k">jrs@vt.edu</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" st=
yle=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">


what does the config for the=A0 domU look like - are you giving it a virtua=
l disk image stored on a local disk, using a SAN, giving it a local disk di=
rectly, etc.<div><div><br><br><div class=3D"gmail_quote">

On Wed, Dec 14, 2011 at 2:40 PM, Andrew Wells <span dir=3D"ltr">&lt;<a href=
=3D"mailto:agwells0714@gmail.com" target=3D"_blank">agwells0714@gmail.com</=
a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">currently I am just checking and testing wri=
te performance to the disk locally on the guest<div><div>
<br><br><div class=3D"gmail_quote">On Wed, Dec 14, 2011 at 2:33 PM, John Sh=
erwood <span dir=3D"ltr">&lt;<a href=3D"mailto:jrs@vt.edu" target=3D"_blank=
">jrs@vt.edu</a>&gt;</span> wrote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">that depends - what&#39;s your current bottl=
eneck (cpu/disk/network)?<br><br><div class=3D"gmail_quote"><div>
On Wed, Dec 14, 2011 at 2:26 PM, Andrew Wells <span dir=3D"ltr">&lt;<a href=
=3D"mailto:agwells0714@gmail.com" target=3D"_blank">agwells0714@gmail.com</=
a>&gt;</span> wrote:<br>

</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-l=
eft:1px #ccc solid;padding-left:1ex"><div>I am using XenServer6, and I need=
 to get performance equal or close to what we get on the hardware, especial=
ly with large files.<div>






<br></div><div>Are there any hints host side or guest side to increase perf=
ormance. What should I look at?</div>

<br></div>_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com" target=3D"_blank">Xen-user=
s@lists.xensource.com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br>
<br></blockquote></div><br>
</blockquote></div><br>
</div></div></blockquote></div><br>
</div></div></blockquote></div><br></div></div>
</div></div></blockquote></div><br>

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From: John Sherwood <jrs@vt.edu>
To: Andrew Wells <agwells0714@gmail.com>,
	xen-users <xen-users@lists.xensource.com>
Subject: Re: [Xen-users] Disk IO tuning
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Use "reply all" to make sure you hit the mailing list.

The main penalty you'd hit is that if you're sharing that RAID device with
any other guests (including the dom0), that can demolish your I/O speeds as
it can terribly screw up what would be sequential reads.  What are your
benchmarks currently showing for native vs VM performance?

On Wed, Dec 14, 2011 at 2:49 PM, Andrew Wells <agwells0714@gmail.com> wrote:

> it is using virtual disk (i believe a lvm partition) on local storage;
> local storage is over 4 or 5 raid5 devices.
>
> The ram on the domu is 45GB
>
> The disk I am testing is 1TB
>
> On Wed, Dec 14, 2011 at 2:46 PM, John Sherwood <jrs@vt.edu> wrote:
>
>> what does the config for the  domU look like - are you giving it a
>> virtual disk image stored on a local disk, using a SAN, giving it a local
>> disk directly, etc.
>>
>>
>> On Wed, Dec 14, 2011 at 2:40 PM, Andrew Wells <agwells0714@gmail.com>wrote:
>>
>>> currently I am just checking and testing write performance to the disk
>>> locally on the guest
>>>
>>>
>>> On Wed, Dec 14, 2011 at 2:33 PM, John Sherwood <jrs@vt.edu> wrote:
>>>
>>>> that depends - what's your current bottleneck (cpu/disk/network)?
>>>>
>>>> On Wed, Dec 14, 2011 at 2:26 PM, Andrew Wells <agwells0714@gmail.com>wrote:
>>>>
>>>>> I am using XenServer6, and I need to get performance equal or close to
>>>>> what we get on the hardware, especially with large files.
>>>>>
>>>>> Are there any hints host side or guest side to increase performance.
>>>>> What should I look at?
>>>>>
>>>>> _______________________________________________
>>>>> Xen-users mailing list
>>>>> Xen-users@lists.xensource.com
>>>>> http://lists.xensource.com/xen-users
>>>>>
>>>>>
>>>>
>>>
>>
>

--14dae934054f12f2d604b412cb30
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Use &quot;reply all&quot; to make sure you hit the mailing list.<br><br>The=
 main penalty you&#39;d hit is that if you&#39;re sharing that RAID device =
with any other guests (including the dom0), that can demolish your I/O spee=
ds as it can terribly screw up what would be sequential reads.=A0 What are =
your benchmarks currently showing for native vs VM performance?<br>
<br><div class=3D"gmail_quote">On Wed, Dec 14, 2011 at 2:49 PM, Andrew Well=
s <span dir=3D"ltr">&lt;<a href=3D"mailto:agwells0714@gmail.com">agwells071=
4@gmail.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" styl=
e=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
it is using virtual disk (i believe a lvm partition) on local storage; loca=
l storage is over 4 or 5 raid5 devices.<div><br></div><div>The ram on the d=
omu is 45GB</div><div><br></div><div>The disk I am testing is 1TB</div>
<div class=3D"HOEnZb"><div class=3D"h5"><div>

<div><br><div class=3D"gmail_quote">On Wed, Dec 14, 2011 at 2:46 PM, John S=
herwood <span dir=3D"ltr">&lt;<a href=3D"mailto:jrs@vt.edu" target=3D"_blan=
k">jrs@vt.edu</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" st=
yle=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">


what does the config for the=A0 domU look like - are you giving it a virtua=
l disk image stored on a local disk, using a SAN, giving it a local disk di=
rectly, etc.<div><div><br><br><div class=3D"gmail_quote">

On Wed, Dec 14, 2011 at 2:40 PM, Andrew Wells <span dir=3D"ltr">&lt;<a href=
=3D"mailto:agwells0714@gmail.com" target=3D"_blank">agwells0714@gmail.com</=
a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">currently I am just checking and testing wri=
te performance to the disk locally on the guest<div><div>
<br><br><div class=3D"gmail_quote">On Wed, Dec 14, 2011 at 2:33 PM, John Sh=
erwood <span dir=3D"ltr">&lt;<a href=3D"mailto:jrs@vt.edu" target=3D"_blank=
">jrs@vt.edu</a>&gt;</span> wrote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">that depends - what&#39;s your current bottl=
eneck (cpu/disk/network)?<br><br><div class=3D"gmail_quote"><div>
On Wed, Dec 14, 2011 at 2:26 PM, Andrew Wells <span dir=3D"ltr">&lt;<a href=
=3D"mailto:agwells0714@gmail.com" target=3D"_blank">agwells0714@gmail.com</=
a>&gt;</span> wrote:<br>

</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-l=
eft:1px #ccc solid;padding-left:1ex"><div>I am using XenServer6, and I need=
 to get performance equal or close to what we get on the hardware, especial=
ly with large files.<div>






<br></div><div>Are there any hints host side or guest side to increase perf=
ormance. What should I look at?</div>

<br></div>_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com" target=3D"_blank">Xen-user=
s@lists.xensource.com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br>
<br></blockquote></div><br>
</blockquote></div><br>
</div></div></blockquote></div><br>
</div></div></blockquote></div><br></div></div>
</div></div></blockquote></div><br>

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From: Andrew Wells <agwells0714@gmail.com>
Date: Wed, 14 Dec 2011 15:14:53 -0500
Message-ID: <CAP3iW_SD+gTJTJB-ofPOaxFVxGbhe8r1AO9bTr2b5p-v7KkusQ@mail.gmail.com>
To: John Sherwood <jrs@vt.edu>
Cc: xen-users <xen-users@lists.xensource.com>
Subject: Re: [Xen-users] Disk IO tuning
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Hardware:
dd if=/dev/zero of=/data/gp/test.file bs=4096 count=1000000

4096000000 bytes (4.1 GB) copied, 4.69611 seconds, 872 MB/s

overwrite the same file:
4096000000 bytes (4.1 GB) copied, 14.5652 seconds, 281 MB/s

Virtual:
dd if=/dev/zero of=/data/gp/test.file bs=4096 count=1000000

4096000000 bytes (4.1 GB) copied, 5.6555 seconds, 724 MB/s

overwrite the same file:
4096000000 bytes (4.1 GB) copied, 6.49021 seconds, 631 MB/s

*-----------------*

Hardware:
dd if=/dev/zero of=/data/vol2/test.file bs=4096 count=10000000

40960000000 bytes (41 GB) copied, 46.1366 seconds, 888 MB/s

Virtual:
dd if=/dev/zero of=/data/vol2/test.file bs=4096 count=10000000

23997329408 bytes (24 GB) copied, 118.243 seconds, 203 MB/s (*canceled
early to get speed*)


I need to get the writes to be more consistent.

On Wed, Dec 14, 2011 at 2:58 PM, John Sherwood <jrs@vt.edu> wrote:

> Use "reply all" to make sure you hit the mailing list.
>
> The main penalty you'd hit is that if you're sharing that RAID device with
> any other guests (including the dom0), that can demolish your I/O speeds as
> it can terribly screw up what would be sequential reads.  What are your
> benchmarks currently showing for native vs VM performance?
>
>
> On Wed, Dec 14, 2011 at 2:49 PM, Andrew Wells <agwells0714@gmail.com>wrote:
>
>> it is using virtual disk (i believe a lvm partition) on local storage;
>> local storage is over 4 or 5 raid5 devices.
>>
>> The ram on the domu is 45GB
>>
>> The disk I am testing is 1TB
>>
>> On Wed, Dec 14, 2011 at 2:46 PM, John Sherwood <jrs@vt.edu> wrote:
>>
>>> what does the config for the  domU look like - are you giving it a
>>> virtual disk image stored on a local disk, using a SAN, giving it a local
>>> disk directly, etc.
>>>
>>>
>>> On Wed, Dec 14, 2011 at 2:40 PM, Andrew Wells <agwells0714@gmail.com>wrote:
>>>
>>>> currently I am just checking and testing write performance to the disk
>>>> locally on the guest
>>>>
>>>>
>>>> On Wed, Dec 14, 2011 at 2:33 PM, John Sherwood <jrs@vt.edu> wrote:
>>>>
>>>>> that depends - what's your current bottleneck (cpu/disk/network)?
>>>>>
>>>>> On Wed, Dec 14, 2011 at 2:26 PM, Andrew Wells <agwells0714@gmail.com>wrote:
>>>>>
>>>>>> I am using XenServer6, and I need to get performance equal or close
>>>>>> to what we get on the hardware, especially with large files.
>>>>>>
>>>>>> Are there any hints host side or guest side to increase performance.
>>>>>> What should I look at?
>>>>>>
>>>>>> _______________________________________________
>>>>>> Xen-users mailing list
>>>>>> Xen-users@lists.xensource.com
>>>>>> http://lists.xensource.com/xen-users
>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>

--f46d04190b5e8da52904b413060e
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

Hardware:<div>dd if=3D/dev/zero of=3D/data/gp/test.file bs=3D4096 count=3D1=
000000</div><div><br></div><div>4096000000 bytes (4.1 GB) copied, 4.69611 s=
econds, 872 MB/s</div><div><br></div><div>overwrite the same file:</div><di=
v>4096000000 bytes (4.1 GB) copied, 14.5652 seconds, 281 MB/s</div>

<div><br></div><div>Virtual:</div><div>dd if=3D/dev/zero of=3D/data/gp/test=
.file bs=3D4096 count=3D1000000</div><div><br></div><div>4096000000 bytes (=
4.1 GB) copied, 5.6555 seconds, 724 MB/s</div><div><br></div><div>overwrite=
 the same file:</div>

<div>4096000000 bytes (4.1 GB) copied, 6.49021 seconds, 631 MB/s</div><div>=
<br></div><div><b>-----------------</b></div><div><br></div><div>Hardware:<=
/div><div>dd if=3D/dev/zero of=3D/data/vol2/test.file bs=3D4096 count=3D100=
00000</div>

<div><br></div><div>40960000000 bytes (41 GB) copied, 46.1366 seconds, 888 =
MB/s</div><div><br></div><div>Virtual:</div><div>dd if=3D/dev/zero of=3D/da=
ta/vol2/test.file bs=3D4096 count=3D10000000<br><br>23997329408 bytes (24 G=
B) copied, 118.243 seconds, 203 MB/s (<b>canceled early to get speed</b>)<b=
r>

<br><br>I need to get the writes to be more consistent.</div><div><br><div =
class=3D"gmail_quote">On Wed, Dec 14, 2011 at 2:58 PM, John Sherwood <span =
dir=3D"ltr">&lt;<a href=3D"mailto:jrs@vt.edu">jrs@vt.edu</a>&gt;</span> wro=
te:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">Use &quot;reply all&quot; to make sure you h=
it the mailing list.<br><br>The main penalty you&#39;d hit is that if you&#=
39;re sharing that RAID device with any other guests (including the dom0), =
that can demolish your I/O speeds as it can terribly screw up what would be=
 sequential reads.=A0 What are your benchmarks currently showing for native=
 vs VM performance?<div class=3D"HOEnZb">

<div class=3D"h5"><br>
<br><div class=3D"gmail_quote">On Wed, Dec 14, 2011 at 2:49 PM, Andrew Well=
s <span dir=3D"ltr">&lt;<a href=3D"mailto:agwells0714@gmail.com" target=3D"=
_blank">agwells0714@gmail.com</a>&gt;</span> wrote:<br><blockquote class=3D=
"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding=
-left:1ex">


it is using virtual disk (i believe a lvm partition) on local storage; loca=
l storage is over 4 or 5 raid5 devices.<div><br></div><div>The ram on the d=
omu is 45GB</div><div><br></div><div>The disk I am testing is 1TB</div>


<div><div><div>

<div><br><div class=3D"gmail_quote">On Wed, Dec 14, 2011 at 2:46 PM, John S=
herwood <span dir=3D"ltr">&lt;<a href=3D"mailto:jrs@vt.edu" target=3D"_blan=
k">jrs@vt.edu</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" st=
yle=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">




what does the config for the=A0 domU look like - are you giving it a virtua=
l disk image stored on a local disk, using a SAN, giving it a local disk di=
rectly, etc.<div><div><br><br><div class=3D"gmail_quote">

On Wed, Dec 14, 2011 at 2:40 PM, Andrew Wells <span dir=3D"ltr">&lt;<a href=
=3D"mailto:agwells0714@gmail.com" target=3D"_blank">agwells0714@gmail.com</=
a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">currently I am just checking and testing wri=
te performance to the disk locally on the guest<div><div>
<br><br><div class=3D"gmail_quote">On Wed, Dec 14, 2011 at 2:33 PM, John Sh=
erwood <span dir=3D"ltr">&lt;<a href=3D"mailto:jrs@vt.edu" target=3D"_blank=
">jrs@vt.edu</a>&gt;</span> wrote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">that depends - what&#39;s your current bottl=
eneck (cpu/disk/network)?<br><br><div class=3D"gmail_quote"><div>
On Wed, Dec 14, 2011 at 2:26 PM, Andrew Wells <span dir=3D"ltr">&lt;<a href=
=3D"mailto:agwells0714@gmail.com" target=3D"_blank">agwells0714@gmail.com</=
a>&gt;</span> wrote:<br>

</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-l=
eft:1px #ccc solid;padding-left:1ex"><div>I am using XenServer6, and I need=
 to get performance equal or close to what we get on the hardware, especial=
ly with large files.<div>








<br></div><div>Are there any hints host side or guest side to increase perf=
ormance. What should I look at?</div>

<br></div>_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com" target=3D"_blank">Xen-user=
s@lists.xensource.com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
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From: Andrew Wells <agwells0714@gmail.com>
Date: Wed, 14 Dec 2011 15:14:53 -0500
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To: John Sherwood <jrs@vt.edu>
Cc: xen-users <xen-users@lists.xensource.com>
Subject: Re: [Xen-users] Disk IO tuning
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Hardware:
dd if=/dev/zero of=/data/gp/test.file bs=4096 count=1000000

4096000000 bytes (4.1 GB) copied, 4.69611 seconds, 872 MB/s

overwrite the same file:
4096000000 bytes (4.1 GB) copied, 14.5652 seconds, 281 MB/s

Virtual:
dd if=/dev/zero of=/data/gp/test.file bs=4096 count=1000000

4096000000 bytes (4.1 GB) copied, 5.6555 seconds, 724 MB/s

overwrite the same file:
4096000000 bytes (4.1 GB) copied, 6.49021 seconds, 631 MB/s

*-----------------*

Hardware:
dd if=/dev/zero of=/data/vol2/test.file bs=4096 count=10000000

40960000000 bytes (41 GB) copied, 46.1366 seconds, 888 MB/s

Virtual:
dd if=/dev/zero of=/data/vol2/test.file bs=4096 count=10000000

23997329408 bytes (24 GB) copied, 118.243 seconds, 203 MB/s (*canceled
early to get speed*)


I need to get the writes to be more consistent.

On Wed, Dec 14, 2011 at 2:58 PM, John Sherwood <jrs@vt.edu> wrote:

> Use "reply all" to make sure you hit the mailing list.
>
> The main penalty you'd hit is that if you're sharing that RAID device with
> any other guests (including the dom0), that can demolish your I/O speeds as
> it can terribly screw up what would be sequential reads.  What are your
> benchmarks currently showing for native vs VM performance?
>
>
> On Wed, Dec 14, 2011 at 2:49 PM, Andrew Wells <agwells0714@gmail.com>wrote:
>
>> it is using virtual disk (i believe a lvm partition) on local storage;
>> local storage is over 4 or 5 raid5 devices.
>>
>> The ram on the domu is 45GB
>>
>> The disk I am testing is 1TB
>>
>> On Wed, Dec 14, 2011 at 2:46 PM, John Sherwood <jrs@vt.edu> wrote:
>>
>>> what does the config for the  domU look like - are you giving it a
>>> virtual disk image stored on a local disk, using a SAN, giving it a local
>>> disk directly, etc.
>>>
>>>
>>> On Wed, Dec 14, 2011 at 2:40 PM, Andrew Wells <agwells0714@gmail.com>wrote:
>>>
>>>> currently I am just checking and testing write performance to the disk
>>>> locally on the guest
>>>>
>>>>
>>>> On Wed, Dec 14, 2011 at 2:33 PM, John Sherwood <jrs@vt.edu> wrote:
>>>>
>>>>> that depends - what's your current bottleneck (cpu/disk/network)?
>>>>>
>>>>> On Wed, Dec 14, 2011 at 2:26 PM, Andrew Wells <agwells0714@gmail.com>wrote:
>>>>>
>>>>>> I am using XenServer6, and I need to get performance equal or close
>>>>>> to what we get on the hardware, especially with large files.
>>>>>>
>>>>>> Are there any hints host side or guest side to increase performance.
>>>>>> What should I look at?
>>>>>>
>>>>>> _______________________________________________
>>>>>> Xen-users mailing list
>>>>>> Xen-users@lists.xensource.com
>>>>>> http://lists.xensource.com/xen-users
>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>

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Content-Transfer-Encoding: quoted-printable

Hardware:<div>dd if=3D/dev/zero of=3D/data/gp/test.file bs=3D4096 count=3D1=
000000</div><div><br></div><div>4096000000 bytes (4.1 GB) copied, 4.69611 s=
econds, 872 MB/s</div><div><br></div><div>overwrite the same file:</div><di=
v>4096000000 bytes (4.1 GB) copied, 14.5652 seconds, 281 MB/s</div>

<div><br></div><div>Virtual:</div><div>dd if=3D/dev/zero of=3D/data/gp/test=
.file bs=3D4096 count=3D1000000</div><div><br></div><div>4096000000 bytes (=
4.1 GB) copied, 5.6555 seconds, 724 MB/s</div><div><br></div><div>overwrite=
 the same file:</div>

<div>4096000000 bytes (4.1 GB) copied, 6.49021 seconds, 631 MB/s</div><div>=
<br></div><div><b>-----------------</b></div><div><br></div><div>Hardware:<=
/div><div>dd if=3D/dev/zero of=3D/data/vol2/test.file bs=3D4096 count=3D100=
00000</div>

<div><br></div><div>40960000000 bytes (41 GB) copied, 46.1366 seconds, 888 =
MB/s</div><div><br></div><div>Virtual:</div><div>dd if=3D/dev/zero of=3D/da=
ta/vol2/test.file bs=3D4096 count=3D10000000<br><br>23997329408 bytes (24 G=
B) copied, 118.243 seconds, 203 MB/s (<b>canceled early to get speed</b>)<b=
r>

<br><br>I need to get the writes to be more consistent.</div><div><br><div =
class=3D"gmail_quote">On Wed, Dec 14, 2011 at 2:58 PM, John Sherwood <span =
dir=3D"ltr">&lt;<a href=3D"mailto:jrs@vt.edu">jrs@vt.edu</a>&gt;</span> wro=
te:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">Use &quot;reply all&quot; to make sure you h=
it the mailing list.<br><br>The main penalty you&#39;d hit is that if you&#=
39;re sharing that RAID device with any other guests (including the dom0), =
that can demolish your I/O speeds as it can terribly screw up what would be=
 sequential reads.=A0 What are your benchmarks currently showing for native=
 vs VM performance?<div class=3D"HOEnZb">

<div class=3D"h5"><br>
<br><div class=3D"gmail_quote">On Wed, Dec 14, 2011 at 2:49 PM, Andrew Well=
s <span dir=3D"ltr">&lt;<a href=3D"mailto:agwells0714@gmail.com" target=3D"=
_blank">agwells0714@gmail.com</a>&gt;</span> wrote:<br><blockquote class=3D=
"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding=
-left:1ex">


it is using virtual disk (i believe a lvm partition) on local storage; loca=
l storage is over 4 or 5 raid5 devices.<div><br></div><div>The ram on the d=
omu is 45GB</div><div><br></div><div>The disk I am testing is 1TB</div>


<div><div><div>

<div><br><div class=3D"gmail_quote">On Wed, Dec 14, 2011 at 2:46 PM, John S=
herwood <span dir=3D"ltr">&lt;<a href=3D"mailto:jrs@vt.edu" target=3D"_blan=
k">jrs@vt.edu</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" st=
yle=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">




what does the config for the=A0 domU look like - are you giving it a virtua=
l disk image stored on a local disk, using a SAN, giving it a local disk di=
rectly, etc.<div><div><br><br><div class=3D"gmail_quote">

On Wed, Dec 14, 2011 at 2:40 PM, Andrew Wells <span dir=3D"ltr">&lt;<a href=
=3D"mailto:agwells0714@gmail.com" target=3D"_blank">agwells0714@gmail.com</=
a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">currently I am just checking and testing wri=
te performance to the disk locally on the guest<div><div>
<br><br><div class=3D"gmail_quote">On Wed, Dec 14, 2011 at 2:33 PM, John Sh=
erwood <span dir=3D"ltr">&lt;<a href=3D"mailto:jrs@vt.edu" target=3D"_blank=
">jrs@vt.edu</a>&gt;</span> wrote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">that depends - what&#39;s your current bottl=
eneck (cpu/disk/network)?<br><br><div class=3D"gmail_quote"><div>
On Wed, Dec 14, 2011 at 2:26 PM, Andrew Wells <span dir=3D"ltr">&lt;<a href=
=3D"mailto:agwells0714@gmail.com" target=3D"_blank">agwells0714@gmail.com</=
a>&gt;</span> wrote:<br>

</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-l=
eft:1px #ccc solid;padding-left:1ex"><div>I am using XenServer6, and I need=
 to get performance equal or close to what we get on the hardware, especial=
ly with large files.<div>








<br></div><div>Are there any hints host side or guest side to increase perf=
ormance. What should I look at?</div>

<br></div>_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com" target=3D"_blank">Xen-user=
s@lists.xensource.com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br>
<br></blockquote></div><br>
</blockquote></div><br>
</div></div></blockquote></div><br>
</div></div></blockquote></div><br></div></div>
</div></div></blockquote></div><br>
</div></div></blockquote></div><br></div>

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From: John Sherwood <jrs@vt.edu>
To: Andrew Wells <agwells0714@gmail.com>
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Subject: Re: [Xen-users] Disk IO tuning
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are any other guests writing to the same RAID set?

On Wed, Dec 14, 2011 at 3:14 PM, Andrew Wells <agwells0714@gmail.com> wrote:

> Hardware:
> dd if=/dev/zero of=/data/gp/test.file bs=4096 count=1000000
>
> 4096000000 bytes (4.1 GB) copied, 4.69611 seconds, 872 MB/s
>
> overwrite the same file:
> 4096000000 bytes (4.1 GB) copied, 14.5652 seconds, 281 MB/s
>
> Virtual:
> dd if=/dev/zero of=/data/gp/test.file bs=4096 count=1000000
>
> 4096000000 bytes (4.1 GB) copied, 5.6555 seconds, 724 MB/s
>
> overwrite the same file:
> 4096000000 bytes (4.1 GB) copied, 6.49021 seconds, 631 MB/s
>
> *-----------------*
>
> Hardware:
> dd if=/dev/zero of=/data/vol2/test.file bs=4096 count=10000000
>
> 40960000000 bytes (41 GB) copied, 46.1366 seconds, 888 MB/s
>
> Virtual:
> dd if=/dev/zero of=/data/vol2/test.file bs=4096 count=10000000
>
> 23997329408 bytes (24 GB) copied, 118.243 seconds, 203 MB/s (*canceled
> early to get speed*)
>
>
> I need to get the writes to be more consistent.
>
> On Wed, Dec 14, 2011 at 2:58 PM, John Sherwood <jrs@vt.edu> wrote:
>
>> Use "reply all" to make sure you hit the mailing list.
>>
>> The main penalty you'd hit is that if you're sharing that RAID device
>> with any other guests (including the dom0), that can demolish your I/O
>> speeds as it can terribly screw up what would be sequential reads.  What
>> are your benchmarks currently showing for native vs VM performance?
>>
>>
>> On Wed, Dec 14, 2011 at 2:49 PM, Andrew Wells <agwells0714@gmail.com>wrote:
>>
>>> it is using virtual disk (i believe a lvm partition) on local storage;
>>> local storage is over 4 or 5 raid5 devices.
>>>
>>> The ram on the domu is 45GB
>>>
>>> The disk I am testing is 1TB
>>>
>>> On Wed, Dec 14, 2011 at 2:46 PM, John Sherwood <jrs@vt.edu> wrote:
>>>
>>>> what does the config for the  domU look like - are you giving it a
>>>> virtual disk image stored on a local disk, using a SAN, giving it a local
>>>> disk directly, etc.
>>>>
>>>>
>>>> On Wed, Dec 14, 2011 at 2:40 PM, Andrew Wells <agwells0714@gmail.com>wrote:
>>>>
>>>>> currently I am just checking and testing write performance to the disk
>>>>> locally on the guest
>>>>>
>>>>>
>>>>> On Wed, Dec 14, 2011 at 2:33 PM, John Sherwood <jrs@vt.edu> wrote:
>>>>>
>>>>>> that depends - what's your current bottleneck (cpu/disk/network)?
>>>>>>
>>>>>> On Wed, Dec 14, 2011 at 2:26 PM, Andrew Wells <agwells0714@gmail.com>wrote:
>>>>>>
>>>>>>> I am using XenServer6, and I need to get performance equal or close
>>>>>>> to what we get on the hardware, especially with large files.
>>>>>>>
>>>>>>> Are there any hints host side or guest side to increase performance.
>>>>>>> What should I look at?
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> Xen-users mailing list
>>>>>>> Xen-users@lists.xensource.com
>>>>>>> http://lists.xensource.com/xen-users
>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>

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Content-Transfer-Encoding: quoted-printable

are any other guests writing to the same RAID set?<br><br><div class=3D"gma=
il_quote">On Wed, Dec 14, 2011 at 3:14 PM, Andrew Wells <span dir=3D"ltr">&=
lt;<a href=3D"mailto:agwells0714@gmail.com">agwells0714@gmail.com</a>&gt;</=
span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">Hardware:<div>dd if=3D/dev/zero of=3D/data/g=
p/test.file bs=3D4096 count=3D1000000</div><div><br></div><div><a href=3D"t=
el:4096000000" value=3D"+14096000000" target=3D"_blank">4096000000</a> byte=
s (4.1 GB) copied, 4.69611 seconds, 872 MB/s</div>
<div><br></div><div>overwrite the same file:</div><div><a href=3D"tel:40960=
00000" value=3D"+14096000000" target=3D"_blank">4096000000</a> bytes (4.1 G=
B) copied, 14.5652 seconds, 281 MB/s</div>

<div><br></div><div>Virtual:</div><div>dd if=3D/dev/zero of=3D/data/gp/test=
.file bs=3D4096 count=3D1000000</div><div><br></div><div><a href=3D"tel:409=
6000000" value=3D"+14096000000" target=3D"_blank">4096000000</a> bytes (4.1=
 GB) copied, 5.6555 seconds, 724 MB/s</div>
<div><br></div><div>overwrite the same file:</div>

<div><a href=3D"tel:4096000000" value=3D"+14096000000" target=3D"_blank">40=
96000000</a> bytes (4.1 GB) copied, 6.49021 seconds, 631 MB/s</div><div><br=
></div><div><b>-----------------</b></div><div><br></div><div>Hardware:</di=
v>
<div>dd if=3D/dev/zero of=3D/data/vol2/test.file bs=3D4096 count=3D10000000=
</div>

<div><br></div><div>40960000000 bytes (41 GB) copied, 46.1366 seconds, 888 =
MB/s</div><div><br></div><div>Virtual:</div><div>dd if=3D/dev/zero of=3D/da=
ta/vol2/test.file bs=3D4096 count=3D10000000<br><br>23997329408 bytes (24 G=
B) copied, 118.243 seconds, 203 MB/s (<b>canceled early to get speed</b>)<b=
r>


<br><br>I need to get the writes to be more consistent.</div><div class=3D"=
HOEnZb"><div class=3D"h5"><div><br><div class=3D"gmail_quote">On Wed, Dec 1=
4, 2011 at 2:58 PM, John Sherwood <span dir=3D"ltr">&lt;<a href=3D"mailto:j=
rs@vt.edu" target=3D"_blank">jrs@vt.edu</a>&gt;</span> wrote:<br>


<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">Use &quot;reply all&quot; to make sure you h=
it the mailing list.<br><br>The main penalty you&#39;d hit is that if you&#=
39;re sharing that RAID device with any other guests (including the dom0), =
that can demolish your I/O speeds as it can terribly screw up what would be=
 sequential reads.=A0 What are your benchmarks currently showing for native=
 vs VM performance?<div>


<div><br>
<br><div class=3D"gmail_quote">On Wed, Dec 14, 2011 at 2:49 PM, Andrew Well=
s <span dir=3D"ltr">&lt;<a href=3D"mailto:agwells0714@gmail.com" target=3D"=
_blank">agwells0714@gmail.com</a>&gt;</span> wrote:<br><blockquote class=3D=
"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding=
-left:1ex">



it is using virtual disk (i believe a lvm partition) on local storage; loca=
l storage is over 4 or 5 raid5 devices.<div><br></div><div>The ram on the d=
omu is 45GB</div><div><br></div><div>The disk I am testing is 1TB</div>



<div><div><div>

<div><br><div class=3D"gmail_quote">On Wed, Dec 14, 2011 at 2:46 PM, John S=
herwood <span dir=3D"ltr">&lt;<a href=3D"mailto:jrs@vt.edu" target=3D"_blan=
k">jrs@vt.edu</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" st=
yle=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">





what does the config for the=A0 domU look like - are you giving it a virtua=
l disk image stored on a local disk, using a SAN, giving it a local disk di=
rectly, etc.<div><div><br><br><div class=3D"gmail_quote">

On Wed, Dec 14, 2011 at 2:40 PM, Andrew Wells <span dir=3D"ltr">&lt;<a href=
=3D"mailto:agwells0714@gmail.com" target=3D"_blank">agwells0714@gmail.com</=
a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">currently I am just checking and testing wri=
te performance to the disk locally on the guest<div><div>
<br><br><div class=3D"gmail_quote">On Wed, Dec 14, 2011 at 2:33 PM, John Sh=
erwood <span dir=3D"ltr">&lt;<a href=3D"mailto:jrs@vt.edu" target=3D"_blank=
">jrs@vt.edu</a>&gt;</span> wrote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">that depends - what&#39;s your current bottl=
eneck (cpu/disk/network)?<br><br><div class=3D"gmail_quote"><div>
On Wed, Dec 14, 2011 at 2:26 PM, Andrew Wells <span dir=3D"ltr">&lt;<a href=
=3D"mailto:agwells0714@gmail.com" target=3D"_blank">agwells0714@gmail.com</=
a>&gt;</span> wrote:<br>

</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-l=
eft:1px #ccc solid;padding-left:1ex"><div>I am using XenServer6, and I need=
 to get performance equal or close to what we get on the hardware, especial=
ly with large files.<div>









<br></div><div>Are there any hints host side or guest side to increase perf=
ormance. What should I look at?</div>

<br></div>_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com" target=3D"_blank">Xen-user=
s@lists.xensource.com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br>
<br></blockquote></div><br>
</blockquote></div><br>
</div></div></blockquote></div><br>
</div></div></blockquote></div><br></div></div>
</div></div></blockquote></div><br>
</div></div></blockquote></div><br></div>
</div></div></blockquote></div><br>

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From: John Sherwood <jrs@vt.edu>
To: Andrew Wells <agwells0714@gmail.com>
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Subject: Re: [Xen-users] Disk IO tuning
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are any other guests writing to the same RAID set?

On Wed, Dec 14, 2011 at 3:14 PM, Andrew Wells <agwells0714@gmail.com> wrote:

> Hardware:
> dd if=/dev/zero of=/data/gp/test.file bs=4096 count=1000000
>
> 4096000000 bytes (4.1 GB) copied, 4.69611 seconds, 872 MB/s
>
> overwrite the same file:
> 4096000000 bytes (4.1 GB) copied, 14.5652 seconds, 281 MB/s
>
> Virtual:
> dd if=/dev/zero of=/data/gp/test.file bs=4096 count=1000000
>
> 4096000000 bytes (4.1 GB) copied, 5.6555 seconds, 724 MB/s
>
> overwrite the same file:
> 4096000000 bytes (4.1 GB) copied, 6.49021 seconds, 631 MB/s
>
> *-----------------*
>
> Hardware:
> dd if=/dev/zero of=/data/vol2/test.file bs=4096 count=10000000
>
> 40960000000 bytes (41 GB) copied, 46.1366 seconds, 888 MB/s
>
> Virtual:
> dd if=/dev/zero of=/data/vol2/test.file bs=4096 count=10000000
>
> 23997329408 bytes (24 GB) copied, 118.243 seconds, 203 MB/s (*canceled
> early to get speed*)
>
>
> I need to get the writes to be more consistent.
>
> On Wed, Dec 14, 2011 at 2:58 PM, John Sherwood <jrs@vt.edu> wrote:
>
>> Use "reply all" to make sure you hit the mailing list.
>>
>> The main penalty you'd hit is that if you're sharing that RAID device
>> with any other guests (including the dom0), that can demolish your I/O
>> speeds as it can terribly screw up what would be sequential reads.  What
>> are your benchmarks currently showing for native vs VM performance?
>>
>>
>> On Wed, Dec 14, 2011 at 2:49 PM, Andrew Wells <agwells0714@gmail.com>wrote:
>>
>>> it is using virtual disk (i believe a lvm partition) on local storage;
>>> local storage is over 4 or 5 raid5 devices.
>>>
>>> The ram on the domu is 45GB
>>>
>>> The disk I am testing is 1TB
>>>
>>> On Wed, Dec 14, 2011 at 2:46 PM, John Sherwood <jrs@vt.edu> wrote:
>>>
>>>> what does the config for the  domU look like - are you giving it a
>>>> virtual disk image stored on a local disk, using a SAN, giving it a local
>>>> disk directly, etc.
>>>>
>>>>
>>>> On Wed, Dec 14, 2011 at 2:40 PM, Andrew Wells <agwells0714@gmail.com>wrote:
>>>>
>>>>> currently I am just checking and testing write performance to the disk
>>>>> locally on the guest
>>>>>
>>>>>
>>>>> On Wed, Dec 14, 2011 at 2:33 PM, John Sherwood <jrs@vt.edu> wrote:
>>>>>
>>>>>> that depends - what's your current bottleneck (cpu/disk/network)?
>>>>>>
>>>>>> On Wed, Dec 14, 2011 at 2:26 PM, Andrew Wells <agwells0714@gmail.com>wrote:
>>>>>>
>>>>>>> I am using XenServer6, and I need to get performance equal or close
>>>>>>> to what we get on the hardware, especially with large files.
>>>>>>>
>>>>>>> Are there any hints host side or guest side to increase performance.
>>>>>>> What should I look at?
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> Xen-users mailing list
>>>>>>> Xen-users@lists.xensource.com
>>>>>>> http://lists.xensource.com/xen-users
>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>

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Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

are any other guests writing to the same RAID set?<br><br><div class=3D"gma=
il_quote">On Wed, Dec 14, 2011 at 3:14 PM, Andrew Wells <span dir=3D"ltr">&=
lt;<a href=3D"mailto:agwells0714@gmail.com">agwells0714@gmail.com</a>&gt;</=
span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">Hardware:<div>dd if=3D/dev/zero of=3D/data/g=
p/test.file bs=3D4096 count=3D1000000</div><div><br></div><div><a href=3D"t=
el:4096000000" value=3D"+14096000000" target=3D"_blank">4096000000</a> byte=
s (4.1 GB) copied, 4.69611 seconds, 872 MB/s</div>
<div><br></div><div>overwrite the same file:</div><div><a href=3D"tel:40960=
00000" value=3D"+14096000000" target=3D"_blank">4096000000</a> bytes (4.1 G=
B) copied, 14.5652 seconds, 281 MB/s</div>

<div><br></div><div>Virtual:</div><div>dd if=3D/dev/zero of=3D/data/gp/test=
.file bs=3D4096 count=3D1000000</div><div><br></div><div><a href=3D"tel:409=
6000000" value=3D"+14096000000" target=3D"_blank">4096000000</a> bytes (4.1=
 GB) copied, 5.6555 seconds, 724 MB/s</div>
<div><br></div><div>overwrite the same file:</div>

<div><a href=3D"tel:4096000000" value=3D"+14096000000" target=3D"_blank">40=
96000000</a> bytes (4.1 GB) copied, 6.49021 seconds, 631 MB/s</div><div><br=
></div><div><b>-----------------</b></div><div><br></div><div>Hardware:</di=
v>
<div>dd if=3D/dev/zero of=3D/data/vol2/test.file bs=3D4096 count=3D10000000=
</div>

<div><br></div><div>40960000000 bytes (41 GB) copied, 46.1366 seconds, 888 =
MB/s</div><div><br></div><div>Virtual:</div><div>dd if=3D/dev/zero of=3D/da=
ta/vol2/test.file bs=3D4096 count=3D10000000<br><br>23997329408 bytes (24 G=
B) copied, 118.243 seconds, 203 MB/s (<b>canceled early to get speed</b>)<b=
r>


<br><br>I need to get the writes to be more consistent.</div><div class=3D"=
HOEnZb"><div class=3D"h5"><div><br><div class=3D"gmail_quote">On Wed, Dec 1=
4, 2011 at 2:58 PM, John Sherwood <span dir=3D"ltr">&lt;<a href=3D"mailto:j=
rs@vt.edu" target=3D"_blank">jrs@vt.edu</a>&gt;</span> wrote:<br>


<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">Use &quot;reply all&quot; to make sure you h=
it the mailing list.<br><br>The main penalty you&#39;d hit is that if you&#=
39;re sharing that RAID device with any other guests (including the dom0), =
that can demolish your I/O speeds as it can terribly screw up what would be=
 sequential reads.=A0 What are your benchmarks currently showing for native=
 vs VM performance?<div>


<div><br>
<br><div class=3D"gmail_quote">On Wed, Dec 14, 2011 at 2:49 PM, Andrew Well=
s <span dir=3D"ltr">&lt;<a href=3D"mailto:agwells0714@gmail.com" target=3D"=
_blank">agwells0714@gmail.com</a>&gt;</span> wrote:<br><blockquote class=3D=
"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding=
-left:1ex">



it is using virtual disk (i believe a lvm partition) on local storage; loca=
l storage is over 4 or 5 raid5 devices.<div><br></div><div>The ram on the d=
omu is 45GB</div><div><br></div><div>The disk I am testing is 1TB</div>



<div><div><div>

<div><br><div class=3D"gmail_quote">On Wed, Dec 14, 2011 at 2:46 PM, John S=
herwood <span dir=3D"ltr">&lt;<a href=3D"mailto:jrs@vt.edu" target=3D"_blan=
k">jrs@vt.edu</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" st=
yle=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">





what does the config for the=A0 domU look like - are you giving it a virtua=
l disk image stored on a local disk, using a SAN, giving it a local disk di=
rectly, etc.<div><div><br><br><div class=3D"gmail_quote">

On Wed, Dec 14, 2011 at 2:40 PM, Andrew Wells <span dir=3D"ltr">&lt;<a href=
=3D"mailto:agwells0714@gmail.com" target=3D"_blank">agwells0714@gmail.com</=
a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">currently I am just checking and testing wri=
te performance to the disk locally on the guest<div><div>
<br><br><div class=3D"gmail_quote">On Wed, Dec 14, 2011 at 2:33 PM, John Sh=
erwood <span dir=3D"ltr">&lt;<a href=3D"mailto:jrs@vt.edu" target=3D"_blank=
">jrs@vt.edu</a>&gt;</span> wrote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">that depends - what&#39;s your current bottl=
eneck (cpu/disk/network)?<br><br><div class=3D"gmail_quote"><div>
On Wed, Dec 14, 2011 at 2:26 PM, Andrew Wells <span dir=3D"ltr">&lt;<a href=
=3D"mailto:agwells0714@gmail.com" target=3D"_blank">agwells0714@gmail.com</=
a>&gt;</span> wrote:<br>

</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-l=
eft:1px #ccc solid;padding-left:1ex"><div>I am using XenServer6, and I need=
 to get performance equal or close to what we get on the hardware, especial=
ly with large files.<div>









<br></div><div>Are there any hints host side or guest side to increase perf=
ormance. What should I look at?</div>

<br></div>_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com" target=3D"_blank">Xen-user=
s@lists.xensource.com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br>
<br></blockquote></div><br>
</blockquote></div><br>
</div></div></blockquote></div><br>
</div></div></blockquote></div><br></div></div>
</div></div></blockquote></div><br>
</div></div></blockquote></div><br></div>
</div></div></blockquote></div><br>

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From: jim burns <jim_burn@bellsouth.net>
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Date: Wed, 14 Dec 2011 15:59:55 -0500
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Subject: Re: [Xen-users] openSUSE 12.1 does not have complete xen rpms
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On Wed December 14 2011, 9:34:16 AM, Jan Beulich wrote:
> >>> On 14.12.11 at 01:42, jim burns <jim_burn@bellsouth.net> wrote:
> > On Tue December 13 2011, 2:48:14 PM, Mark Pryor wrote:
> >> Move to x86_64 and you will have a complete dom0 upgrade. Its true
> >> that
> >> i586 is not supporting a full dom0.
> > 
> > Not possible - it's a 32 bit system.
> > 
> > I suppose I could download the xen .src.rpm, and recompile it, assuming
> > they haven't disabled i586 for some reason. I just want to know if it's
> > supported, or suse ran into a snag getting it to work for i586.
> 
> It's not supported, but it's being evaluated to re-add the 32-bit
> hypervisor (which got dropped largely because the same source tree
> gets used for SLE11 SP2, where the dropping of support for it implies
> the removal of the package). See bug 732424.
> 
> > Anyone know if they will eventually support it?
> 
> No, I do not expect it to get considered supported again. You'll be
> left on your own in dealing with eventual problems (which doesn't
> exclude us merging fixes that get provided or pointed out), as stated
> in comment 15 of aforementioned bug.

The bug report Jan refers to, and an opensuse-virtual mailing list thread 
(mentioned in the bug thread) that announces dropping support for 32 bit on 
opensuse 12.1, can be found at:

https://bugzilla.novell.com/show_bug.cgi?id=732424
http://lists.opensuse.org/opensuse-virtual/2011-07/msg00001.html

Nowhere in these threads is it mentioned the technical reasons why 32 bit 
support has been dropped. In fact, one poster in the discussion mentions a 
lack of knowledge of any other distro that supports 32 bit xen. I can confirm 
that fedora 16 still has the i686 rpms. I'm going to assume that suse is just 
trying to lighten the support load for a package that probably isn't getting a 
lot of use on 32 bit.

But since 32 bit is all I've got on my suse machine, I went ahead and 
downloaded the .src.rpm for xen from the 12.1 repo, and recompiled it with 
minimal alterations to the .spec file controlling the compile and install. 
They indeed disable support for dom0, and a link at the end of the %prep 
section is needed to find the kernel-xen .config file. It compiled and 
installed fine. I'll reboot, and if I have any problems, I will do a follow up 
post.

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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From: jim burns <jim_burn@bellsouth.net>
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Date: Wed, 14 Dec 2011 15:59:55 -0500
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Subject: Re: [Xen-users] openSUSE 12.1 does not have complete xen rpms
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On Wed December 14 2011, 9:34:16 AM, Jan Beulich wrote:
> >>> On 14.12.11 at 01:42, jim burns <jim_burn@bellsouth.net> wrote:
> > On Tue December 13 2011, 2:48:14 PM, Mark Pryor wrote:
> >> Move to x86_64 and you will have a complete dom0 upgrade. Its true
> >> that
> >> i586 is not supporting a full dom0.
> > 
> > Not possible - it's a 32 bit system.
> > 
> > I suppose I could download the xen .src.rpm, and recompile it, assuming
> > they haven't disabled i586 for some reason. I just want to know if it's
> > supported, or suse ran into a snag getting it to work for i586.
> 
> It's not supported, but it's being evaluated to re-add the 32-bit
> hypervisor (which got dropped largely because the same source tree
> gets used for SLE11 SP2, where the dropping of support for it implies
> the removal of the package). See bug 732424.
> 
> > Anyone know if they will eventually support it?
> 
> No, I do not expect it to get considered supported again. You'll be
> left on your own in dealing with eventual problems (which doesn't
> exclude us merging fixes that get provided or pointed out), as stated
> in comment 15 of aforementioned bug.

The bug report Jan refers to, and an opensuse-virtual mailing list thread 
(mentioned in the bug thread) that announces dropping support for 32 bit on 
opensuse 12.1, can be found at:

https://bugzilla.novell.com/show_bug.cgi?id=732424
http://lists.opensuse.org/opensuse-virtual/2011-07/msg00001.html

Nowhere in these threads is it mentioned the technical reasons why 32 bit 
support has been dropped. In fact, one poster in the discussion mentions a 
lack of knowledge of any other distro that supports 32 bit xen. I can confirm 
that fedora 16 still has the i686 rpms. I'm going to assume that suse is just 
trying to lighten the support load for a package that probably isn't getting a 
lot of use on 32 bit.

But since 32 bit is all I've got on my suse machine, I went ahead and 
downloaded the .src.rpm for xen from the 12.1 repo, and recompiled it with 
minimal alterations to the .spec file controlling the compile and install. 
They indeed disable support for dom0, and a link at the end of the %prep 
section is needed to find the kernel-xen .config file. It compiled and 
installed fine. I'll reboot, and if I have any problems, I will do a follow up 
post.

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Subject: Re: [Xen-users] Disk IO tuning
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Hi,

2011/12/14 Andrew Wells <agwells0714@gmail.com>:
> Hardware:
> dd if=/dev/zero of=/data/gp/test.file bs=4096 count=1000000

It would be very helpful to start by testing sync writes using a
better blocksize. Otherwise you're just testing how fast you can fill
your dom0s buffer cache. Xen will not use such unsafe writes unless
you're using a file:// device.

Also, even if our Linux apps run using 4K pages, the IO speed in dd
will be quite bad using that. This would be most interesting if you
expect a lot of paging from the domUs. Not saying that this isn't
something worth testing, but rather first find out the full sequential
speed, and then use something different from dd to test 4K random IOs.
Sequential + 4K is really not going to happen a lot.

so use
1) conv=fdatasync at the end of the line
2) bs=1M count=1024

Yes, the 1024 "MB" will not be enough to fill the arrays cache.
But you're looking for host IO bottlenecks, so this would be very
sensible to not try to starve the array, but the host only.



-- 
the purpose of libvirt is to provide an abstraction layer hiding all
xen features added since 2006 until they were finally understood and
copied by the kvm devs.

_______________________________________________
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To: Andrew Wells <agwells0714@gmail.com>
Cc: xen-users <xen-users@lists.xensource.com>, John Sherwood <jrs@vt.edu>
Subject: Re: [Xen-users] Disk IO tuning
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Hi,

2011/12/14 Andrew Wells <agwells0714@gmail.com>:
> Hardware:
> dd if=/dev/zero of=/data/gp/test.file bs=4096 count=1000000

It would be very helpful to start by testing sync writes using a
better blocksize. Otherwise you're just testing how fast you can fill
your dom0s buffer cache. Xen will not use such unsafe writes unless
you're using a file:// device.

Also, even if our Linux apps run using 4K pages, the IO speed in dd
will be quite bad using that. This would be most interesting if you
expect a lot of paging from the domUs. Not saying that this isn't
something worth testing, but rather first find out the full sequential
speed, and then use something different from dd to test 4K random IOs.
Sequential + 4K is really not going to happen a lot.

so use
1) conv=fdatasync at the end of the line
2) bs=1M count=1024

Yes, the 1024 "MB" will not be enough to fill the arrays cache.
But you're looking for host IO bottlenecks, so this would be very
sensible to not try to starve the array, but the host only.



-- 
the purpose of libvirt is to provide an abstraction layer hiding all
xen features added since 2006 until they were finally understood and
copied by the kvm devs.

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Subject: Re: [Xen-users] openSUSE 12.1 does not have complete xen rpms
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On Wed December 14 2011, 3:59:55 PM, jim burns wrote:
> But since 32 bit is all I've got on my suse machine, I went ahead and 
> downloaded the .src.rpm for xen from the 12.1 repo, and recompiled it with 
> minimal alterations to the .spec file controlling the compile and install. 
> They indeed disable support for dom0, and a link at the end of the %prep 
> section is needed to find the kernel-xen .config file. It compiled and 
> installed fine. I'll reboot, and if I have any problems, I will do a follow
> up post.

Sorry, I meant to include the diff for the .spec file for the 
xen-4.1.2_05-1.1.1.src.rpm:

root@Dell4550 12/14/11  3:56PM:/usr/src/packages
[503] > diff xen.spec SPECS/xen.spec 
39c39
< %define with_dom0_support 1
---
> %define with_dom0_support 0
965d964
< ln -s /boot/config*xen .config

And yes, my 32 bit suse dom0 boots just fine, and can start my suse 11.4 pv 
guest. Of course, since suse isn't supporting 32 bit any more, you've got no 
one to complain to if subsequent versions of xen stop working, since they 
don't test 32 bit now.

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On Wed December 14 2011, 3:59:55 PM, jim burns wrote:
> But since 32 bit is all I've got on my suse machine, I went ahead and 
> downloaded the .src.rpm for xen from the 12.1 repo, and recompiled it with 
> minimal alterations to the .spec file controlling the compile and install. 
> They indeed disable support for dom0, and a link at the end of the %prep 
> section is needed to find the kernel-xen .config file. It compiled and 
> installed fine. I'll reboot, and if I have any problems, I will do a follow
> up post.

Sorry, I meant to include the diff for the .spec file for the 
xen-4.1.2_05-1.1.1.src.rpm:

root@Dell4550 12/14/11  3:56PM:/usr/src/packages
[503] > diff xen.spec SPECS/xen.spec 
39c39
< %define with_dom0_support 1
---
> %define with_dom0_support 0
965d964
< ln -s /boot/config*xen .config

And yes, my 32 bit suse dom0 boots just fine, and can start my suse 11.4 pv 
guest. Of course, since suse isn't supporting 32 bit any more, you've got no 
one to complain to if subsequent versions of xen stop working, since they 
don't test 32 bit now.

_______________________________________________
Xen-users mailing list
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On Fri December 9 2011, 7:52:55 PM, jim burns wrote:
> Well, I played some more with my hvm installed suse domu, and found out 
> something interesting.
[...]
> GUESS WHAT? Yast has a mouse in a suse domu under a suse dom0!!! My guess
> -   suse up to now has been using the old style architecture xenlinux, and
> even in 2.6.37, it looks like xenlinux with some back-ported new features.
> I think the mouse in a suse domu is depending on something in the suse dom0
> kernel that isn't present in my normal fedora dom0 kernel!

I don't know if you've played with suse 12.1 yet, but I just upgraded my bare 
metal suse 11.4 system to 12.1. That actually was problematical as far as xen 
goes, since suse has stopped supporting 32 bit xen. See my thread 'openSUSE 
12.1 does not have complete xen rpms'. I recompiled the .src.rpm, and 
installed xen 4.1.2.

My pv suse 11.4 domu starts just fine, but has no mouse. Apparently, even tho' 
suse 12.1 is still naming its pv drivers xennet & xenblk, it has retained 
enough of the pvops 3.1 kernel architecture that the mouse in an old xenlinux 
arch pv domu like 11.4 is no longer supported. Sign of the times.

_______________________________________________
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On Fri December 9 2011, 7:52:55 PM, jim burns wrote:
> Well, I played some more with my hvm installed suse domu, and found out 
> something interesting.
[...]
> GUESS WHAT? Yast has a mouse in a suse domu under a suse dom0!!! My guess
> -   suse up to now has been using the old style architecture xenlinux, and
> even in 2.6.37, it looks like xenlinux with some back-ported new features.
> I think the mouse in a suse domu is depending on something in the suse dom0
> kernel that isn't present in my normal fedora dom0 kernel!

I don't know if you've played with suse 12.1 yet, but I just upgraded my bare 
metal suse 11.4 system to 12.1. That actually was problematical as far as xen 
goes, since suse has stopped supporting 32 bit xen. See my thread 'openSUSE 
12.1 does not have complete xen rpms'. I recompiled the .src.rpm, and 
installed xen 4.1.2.

My pv suse 11.4 domu starts just fine, but has no mouse. Apparently, even tho' 
suse 12.1 is still naming its pv drivers xennet & xenblk, it has retained 
enough of the pvops 3.1 kernel architecture that the mouse in an old xenlinux 
arch pv domu like 11.4 is no longer supported. Sign of the times.

_______________________________________________
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http://lists.xensource.com/xen-users

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From: vipul borikar <vipulcell@gmail.com>
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Thanks for the Guidance...
I will check out for the 5.7 dependencies.
I didn't face that issue for some time now.. lets see

Thanks again..

On Wed, Dec 14, 2011 at 7:48 PM, Florian Heigl <florian.heigl@gmail.com>wrote:

> 2011/12/12 vipul borikar <vipulcell@gmail.com>:
> > Ok . Thanks for the Update...
> > Can i try 5.7 Xen RPMS on 5.5 OS.. cause it will be tough for me to
> upgrade
> > the OS 5.5 to 5.7.
>
> I think so.
> I don't know all the depends.
> For the 5.7 xen dom0 kernel, you will have to install 5.7's e4fsprogs
> and e4fsprogs-libs
> Xen is one more package that has no extra dependencies according to my
> knowledge.
>
> If you are under RHEL support, check back with them first. So you know
> if they'll still support the config with newer kernel + Xen.
> Considering the many bugs they had in older versions, they probably will :)
>
> --
> the purpose of libvirt is to provide an abstraction layer hiding all
> xen features added since 2006 until they were finally understood and
> copied by the kvm devs.
>



-- 
Thanks

Vipul Borikar
"Our task must be to free ourselves...by widening our circle of compassion
to embrace all living creatures and the whole of nature and its beauty."

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Thanks for the Guidance...<br>I will check out for the 5.7 dependencies.<br=
>I didn&#39;t face that issue for some time now.. lets see<br><br>Thanks ag=
ain..<br><br><div class=3D"gmail_quote">On Wed, Dec 14, 2011 at 7:48 PM, Fl=
orian Heigl <span dir=3D"ltr">&lt;<a href=3D"mailto:florian.heigl@gmail.com=
">florian.heigl@gmail.com</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0pt 0pt 0pt 0.8ex;border-=
left:1px solid rgb(204,204,204);padding-left:1ex">2011/12/12 vipul borikar =
&lt;<a href=3D"mailto:vipulcell@gmail.com">vipulcell@gmail.com</a>&gt;:<br>
<div class=3D"im">&gt; Ok . Thanks for the Update...<br>
&gt; Can i try 5.7 Xen RPMS on 5.5 OS.. cause it will be tough for me to up=
grade<br>
&gt; the OS 5.5 to 5.7.<br>
<br>
</div>I think so.<br>
I don&#39;t know all the depends.<br>
For the 5.7 xen dom0 kernel, you will have to install 5.7&#39;s e4fsprogs<b=
r>
and e4fsprogs-libs<br>
Xen is one more package that has no extra dependencies according to my<br>
knowledge.<br>
<br>
If you are under RHEL support, check back with them first. So you know<br>
if they&#39;ll still support the config with newer kernel + Xen.<br>
Considering the many bugs they had in older versions, they probably will :)=
<br>
<span class=3D"HOEnZb"><font color=3D"#888888"><br>
--<br>
the purpose of libvirt is to provide an abstraction layer hiding all<br>
xen features added since 2006 until they were finally understood and<br>
copied by the kvm devs.<br>
</font></span></blockquote></div><br><br clear=3D"all"><br>-- <br><div>Than=
ks=A0</div><div><br></div>Vipul Borikar <br><div>&quot;Our task must be to =
free ourselves...by widening our circle of compassion to embrace all living=
 creatures and the whole of nature and its beauty.&quot;</div>
<br>

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From: vipul borikar <vipulcell@gmail.com>
To: Florian Heigl <florian.heigl@gmail.com>
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] Ubuntu 11.04 shutdown Problem
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Thanks for the Guidance...
I will check out for the 5.7 dependencies.
I didn't face that issue for some time now.. lets see

Thanks again..

On Wed, Dec 14, 2011 at 7:48 PM, Florian Heigl <florian.heigl@gmail.com>wrote:

> 2011/12/12 vipul borikar <vipulcell@gmail.com>:
> > Ok . Thanks for the Update...
> > Can i try 5.7 Xen RPMS on 5.5 OS.. cause it will be tough for me to
> upgrade
> > the OS 5.5 to 5.7.
>
> I think so.
> I don't know all the depends.
> For the 5.7 xen dom0 kernel, you will have to install 5.7's e4fsprogs
> and e4fsprogs-libs
> Xen is one more package that has no extra dependencies according to my
> knowledge.
>
> If you are under RHEL support, check back with them first. So you know
> if they'll still support the config with newer kernel + Xen.
> Considering the many bugs they had in older versions, they probably will :)
>
> --
> the purpose of libvirt is to provide an abstraction layer hiding all
> xen features added since 2006 until they were finally understood and
> copied by the kvm devs.
>



-- 
Thanks

Vipul Borikar
"Our task must be to free ourselves...by widening our circle of compassion
to embrace all living creatures and the whole of nature and its beauty."

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Thanks for the Guidance...<br>I will check out for the 5.7 dependencies.<br=
>I didn&#39;t face that issue for some time now.. lets see<br><br>Thanks ag=
ain..<br><br><div class=3D"gmail_quote">On Wed, Dec 14, 2011 at 7:48 PM, Fl=
orian Heigl <span dir=3D"ltr">&lt;<a href=3D"mailto:florian.heigl@gmail.com=
">florian.heigl@gmail.com</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0pt 0pt 0pt 0.8ex;border-=
left:1px solid rgb(204,204,204);padding-left:1ex">2011/12/12 vipul borikar =
&lt;<a href=3D"mailto:vipulcell@gmail.com">vipulcell@gmail.com</a>&gt;:<br>
<div class=3D"im">&gt; Ok . Thanks for the Update...<br>
&gt; Can i try 5.7 Xen RPMS on 5.5 OS.. cause it will be tough for me to up=
grade<br>
&gt; the OS 5.5 to 5.7.<br>
<br>
</div>I think so.<br>
I don&#39;t know all the depends.<br>
For the 5.7 xen dom0 kernel, you will have to install 5.7&#39;s e4fsprogs<b=
r>
and e4fsprogs-libs<br>
Xen is one more package that has no extra dependencies according to my<br>
knowledge.<br>
<br>
If you are under RHEL support, check back with them first. So you know<br>
if they&#39;ll still support the config with newer kernel + Xen.<br>
Considering the many bugs they had in older versions, they probably will :)=
<br>
<span class=3D"HOEnZb"><font color=3D"#888888"><br>
--<br>
the purpose of libvirt is to provide an abstraction layer hiding all<br>
xen features added since 2006 until they were finally understood and<br>
copied by the kvm devs.<br>
</font></span></blockquote></div><br><br clear=3D"all"><br>-- <br><div>Than=
ks=A0</div><div><br></div>Vipul Borikar <br><div>&quot;Our task must be to =
free ourselves...by widening our circle of compassion to embrace all living=
 creatures and the whole of nature and its beauty.&quot;</div>
<br>

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Date: Thu, 15 Dec 2011 11:45:06 +0530
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From: vipul borikar <vipulcell@gmail.com>
To: xen-users@lists.xensource.com
Subject: Re: [Xen-users] Ubuntu 11.04 DomU not showing external block Device
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|does it show as mapped in xm block-list afterwards?

When the disk is attached it doesn't throw error..
I think the device gets mapped, but not sure , i will check out.

| will the same disk be visible in the domU after a reboot (launched
from inside)?

| will it be visible once you add it to disks = [] ?

This two things i need to check , i will get back with the details...



On Wed, Dec 14, 2011 at 10:39 AM, vipul borikar <vipulcell@gmail.com> wrote:

> Yes the typo is right...
>
> On Tue, Oct 25, 2011 at 4:59 PM, vipul borikar <vipulcell@gmail.com>wrote:
>
>> Hello,
>>          I just installed Xen 4.0.1 on Ubuntu 10.04 dom0. After this i
>> had Ubuntu 11.04 as Para domU.
>> I tried to attach file based disk to the this domU.
>>
>> My command is:
>>
>> # xm   block-attach    Ubuntu-11     file:/root/ubunut-natty/Extra
>> /dev/xvdb   w
>>
>> there is no error on this.
>>
>> But inside the DomU i cannot see any disk xvdb.
>>
>> xend.log shows :
>>
>> [2011-10-25 16:27:32 14794] DEBUG (XendDomainInfo:853)
>> XendDomainInfo.device_create: {'uuid':
>> '18743cdb-d88a-84e3-c2e4-c5c726e06cda', 'bootable': 0, 'driver':
>> 'paravirtualised', 'dev': '/dev/xvdb', 'uname':
>> 'file:/root/ubunut-natty/Extra', 'mode': 'w'}
>>
>> I tried googling !! Any Ideas??
>>
>>
>> --
>> Thanks
>>
>> Vipul Borikar
>> "Our task must be to free ourselves...by widening our circle of
>> compassion to embrace all living creatures and the whole of nature and its
>> beauty."
>>
>>
>
>
> --
> Thanks
>
> Vipul Borikar
> "Our task must be to free ourselves...by widening our circle of compassion
> to embrace all living creatures and the whole of nature and its beauty."
>
>


-- 
Thanks

Vipul Borikar
"Our task must be to free ourselves...by widening our circle of compassion
to embrace all living creatures and the whole of nature and its beauty."

--e89a8f3bafa7d9bf3904b41b6792
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<pre><font size=3D"4">|does it show as mapped in xm block-list afterwards?<=
br><br>When the disk is attached it doesn&#39;t throw error..<br>I think th=
e device gets mapped, but not sure , i will check out.<br><br>| will the sa=
me disk be visible in the domU after a reboot (launched from inside)?</font=
><br>
<br><font size=3D"4">| will it be visible once you add it to disks =3D [] ?=
</font><br><br><font size=3D"4">This two things i need to check , i will ge=
t back with the details...</font> <br><br></pre><br><br><div class=3D"gmail=
_quote">
On Wed, Dec 14, 2011 at 10:39 AM, vipul borikar <span dir=3D"ltr">&lt;<a hr=
ef=3D"mailto:vipulcell@gmail.com">vipulcell@gmail.com</a>&gt;</span> wrote:=
<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-lef=
t:1px #ccc solid;padding-left:1ex">
Yes the typo is right... <br><div class=3D"HOEnZb"><div class=3D"h5"><br><d=
iv class=3D"gmail_quote">On Tue, Oct 25, 2011 at 4:59 PM, vipul borikar <sp=
an dir=3D"ltr">&lt;<a href=3D"mailto:vipulcell@gmail.com" target=3D"_blank"=
>vipulcell@gmail.com</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
Hello,<br>=A0=A0=A0=A0=A0=A0=A0=A0 I just installed Xen 4.0.1 on Ubuntu 10.=
04 dom0. After this i had Ubuntu 11.04 as Para domU.<br>I tried to attach f=
ile based disk to the this domU.<br><br>My command is:<br><br># xm=A0=A0 bl=
ock-attach=A0=A0=A0 Ubuntu-11=A0=A0=A0=A0 file:/root/ubunut-natty/Extra=A0=
=A0=A0 /dev/xvdb=A0=A0 w<br>


<br>there is no error on this.<br><br>But inside the DomU i cannot see any =
disk xvdb. <br><br>xend.log shows :<br><br>[2011-10-25 16:27:32 14794] DEBU=
G (XendDomainInfo:853) XendDomainInfo.device_create: {&#39;uuid&#39;: &#39;=
18743cdb-d88a-84e3-c2e4-c5c726e06cda&#39;, &#39;bootable&#39;: 0, &#39;driv=
er&#39;: &#39;paravirtualised&#39;, &#39;dev&#39;: &#39;/dev/xvdb&#39;, &#3=
9;uname&#39;: &#39;file:/root/ubunut-natty/Extra&#39;, &#39;mode&#39;: &#39=
;w&#39;}<br>


<br>I tried googling !! Any Ideas??<span><font color=3D"#888888"><br><br cl=
ear=3D"all"><br>-- <br><div>Thanks=A0</div><div><br></div>Vipul Borikar <br=
><div>&quot;Our task must be to free ourselves...by widening our circle of =
compassion to embrace all living creatures and the whole of nature and its =
beauty.&quot;</div>


<br>
</font></span></blockquote></div><br><br clear=3D"all"><br>-- <br><div>Than=
ks=A0</div><div><br></div>Vipul Borikar <br><div>&quot;Our task must be to =
free ourselves...by widening our circle of compassion to embrace all living=
 creatures and the whole of nature and its beauty.&quot;</div>

<br>
</div></div></blockquote></div><br><br clear=3D"all"><br>-- <br><div>Thanks=
=A0</div><div><br></div>Vipul Borikar <br><div>&quot;Our task must be to fr=
ee ourselves...by widening our circle of compassion to embrace all living c=
reatures and the whole of nature and its beauty.&quot;</div>
<br>

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Date: Thu, 15 Dec 2011 11:45:06 +0530
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From: vipul borikar <vipulcell@gmail.com>
To: xen-users@lists.xensource.com
Subject: Re: [Xen-users] Ubuntu 11.04 DomU not showing external block Device
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|does it show as mapped in xm block-list afterwards?

When the disk is attached it doesn't throw error..
I think the device gets mapped, but not sure , i will check out.

| will the same disk be visible in the domU after a reboot (launched
from inside)?

| will it be visible once you add it to disks = [] ?

This two things i need to check , i will get back with the details...



On Wed, Dec 14, 2011 at 10:39 AM, vipul borikar <vipulcell@gmail.com> wrote:

> Yes the typo is right...
>
> On Tue, Oct 25, 2011 at 4:59 PM, vipul borikar <vipulcell@gmail.com>wrote:
>
>> Hello,
>>          I just installed Xen 4.0.1 on Ubuntu 10.04 dom0. After this i
>> had Ubuntu 11.04 as Para domU.
>> I tried to attach file based disk to the this domU.
>>
>> My command is:
>>
>> # xm   block-attach    Ubuntu-11     file:/root/ubunut-natty/Extra
>> /dev/xvdb   w
>>
>> there is no error on this.
>>
>> But inside the DomU i cannot see any disk xvdb.
>>
>> xend.log shows :
>>
>> [2011-10-25 16:27:32 14794] DEBUG (XendDomainInfo:853)
>> XendDomainInfo.device_create: {'uuid':
>> '18743cdb-d88a-84e3-c2e4-c5c726e06cda', 'bootable': 0, 'driver':
>> 'paravirtualised', 'dev': '/dev/xvdb', 'uname':
>> 'file:/root/ubunut-natty/Extra', 'mode': 'w'}
>>
>> I tried googling !! Any Ideas??
>>
>>
>> --
>> Thanks
>>
>> Vipul Borikar
>> "Our task must be to free ourselves...by widening our circle of
>> compassion to embrace all living creatures and the whole of nature and its
>> beauty."
>>
>>
>
>
> --
> Thanks
>
> Vipul Borikar
> "Our task must be to free ourselves...by widening our circle of compassion
> to embrace all living creatures and the whole of nature and its beauty."
>
>


-- 
Thanks

Vipul Borikar
"Our task must be to free ourselves...by widening our circle of compassion
to embrace all living creatures and the whole of nature and its beauty."

--e89a8f3bafa7d9bf3904b41b6792
Content-Type: text/html; charset=ISO-8859-1
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<pre><font size=3D"4">|does it show as mapped in xm block-list afterwards?<=
br><br>When the disk is attached it doesn&#39;t throw error..<br>I think th=
e device gets mapped, but not sure , i will check out.<br><br>| will the sa=
me disk be visible in the domU after a reboot (launched from inside)?</font=
><br>
<br><font size=3D"4">| will it be visible once you add it to disks =3D [] ?=
</font><br><br><font size=3D"4">This two things i need to check , i will ge=
t back with the details...</font> <br><br></pre><br><br><div class=3D"gmail=
_quote">
On Wed, Dec 14, 2011 at 10:39 AM, vipul borikar <span dir=3D"ltr">&lt;<a hr=
ef=3D"mailto:vipulcell@gmail.com">vipulcell@gmail.com</a>&gt;</span> wrote:=
<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-lef=
t:1px #ccc solid;padding-left:1ex">
Yes the typo is right... <br><div class=3D"HOEnZb"><div class=3D"h5"><br><d=
iv class=3D"gmail_quote">On Tue, Oct 25, 2011 at 4:59 PM, vipul borikar <sp=
an dir=3D"ltr">&lt;<a href=3D"mailto:vipulcell@gmail.com" target=3D"_blank"=
>vipulcell@gmail.com</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
Hello,<br>=A0=A0=A0=A0=A0=A0=A0=A0 I just installed Xen 4.0.1 on Ubuntu 10.=
04 dom0. After this i had Ubuntu 11.04 as Para domU.<br>I tried to attach f=
ile based disk to the this domU.<br><br>My command is:<br><br># xm=A0=A0 bl=
ock-attach=A0=A0=A0 Ubuntu-11=A0=A0=A0=A0 file:/root/ubunut-natty/Extra=A0=
=A0=A0 /dev/xvdb=A0=A0 w<br>


<br>there is no error on this.<br><br>But inside the DomU i cannot see any =
disk xvdb. <br><br>xend.log shows :<br><br>[2011-10-25 16:27:32 14794] DEBU=
G (XendDomainInfo:853) XendDomainInfo.device_create: {&#39;uuid&#39;: &#39;=
18743cdb-d88a-84e3-c2e4-c5c726e06cda&#39;, &#39;bootable&#39;: 0, &#39;driv=
er&#39;: &#39;paravirtualised&#39;, &#39;dev&#39;: &#39;/dev/xvdb&#39;, &#3=
9;uname&#39;: &#39;file:/root/ubunut-natty/Extra&#39;, &#39;mode&#39;: &#39=
;w&#39;}<br>


<br>I tried googling !! Any Ideas??<span><font color=3D"#888888"><br><br cl=
ear=3D"all"><br>-- <br><div>Thanks=A0</div><div><br></div>Vipul Borikar <br=
><div>&quot;Our task must be to free ourselves...by widening our circle of =
compassion to embrace all living creatures and the whole of nature and its =
beauty.&quot;</div>


<br>
</font></span></blockquote></div><br><br clear=3D"all"><br>-- <br><div>Than=
ks=A0</div><div><br></div>Vipul Borikar <br><div>&quot;Our task must be to =
free ourselves...by widening our circle of compassion to embrace all living=
 creatures and the whole of nature and its beauty.&quot;</div>

<br>
</div></div></blockquote></div><br><br clear=3D"all"><br>-- <br><div>Thanks=
=A0</div><div><br></div>Vipul Borikar <br><div>&quot;Our task must be to fr=
ee ourselves...by widening our circle of compassion to embrace all living c=
reatures and the whole of nature and its beauty.&quot;</div>
<br>

--e89a8f3bafa7d9bf3904b41b6792--


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On 14 December 2011 23:17, jim burns <jim_burn@bellsouth.net> wrote:
> I don't know if you've played with suse 12.1 yet,
Yes, I've used it a little bit.
Anyway, I didn't do any more test after trying the Xephyr application.
The fact that I cannot start my X session in the VNC screen, is also
frustrating.

-- 
Flavio

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On 14 December 2011 23:17, jim burns <jim_burn@bellsouth.net> wrote:
> I don't know if you've played with suse 12.1 yet,
Yes, I've used it a little bit.
Anyway, I didn't do any more test after trying the Xephyr application.
The fact that I cannot start my X session in the VNC screen, is also
frustrating.

-- 
Flavio

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On Thu December 15 2011, 9:46:17 AM, Flavio wrote:
> On 14 December 2011 23:17, jim burns <jim_burn@bellsouth.net> wrote:
> > I don't know if you've played with suse 12.1 yet,
> 
> Yes, I've used it a little bit.
> Anyway, I didn't do any more test after trying the Xephyr application.
> The fact that I cannot start my X session in the VNC screen, is also
> frustrating.

Whenever my extra= line has xencons=tty, I don't get a desktop. If you omit 
it, or use xencons=xvc0, I get a desktop. This works for me:

extra = 'console=xvc0 console=hvc0 console=tty'

(The hvc0 is the pvops name for xvc0. I'm just covering all bases.)

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On Thu December 15 2011, 9:46:17 AM, Flavio wrote:
> On 14 December 2011 23:17, jim burns <jim_burn@bellsouth.net> wrote:
> > I don't know if you've played with suse 12.1 yet,
> 
> Yes, I've used it a little bit.
> Anyway, I didn't do any more test after trying the Xephyr application.
> The fact that I cannot start my X session in the VNC screen, is also
> frustrating.

Whenever my extra= line has xencons=tty, I don't get a desktop. If you omit 
it, or use xencons=xvc0, I get a desktop. This works for me:

extra = 'console=xvc0 console=hvc0 console=tty'

(The hvc0 is the pvops name for xvc0. I'm just covering all bases.)

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On 15 December 2011 10:18, jim burns <jim_burn@bellsouth.net> wrote:
>
> Whenever my extra= line has xencons=tty, I don't get a desktop. If you omit
> it, or use xencons=xvc0, I get a desktop. This works for me:
>
> extra = 'console=xvc0 console=hvc0 console=tty'
None of both solutions work for me instead.
I still get this: http://goo.gl/z9CaX

Nothing more, even the domU has started.


-- 
Flavio

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On 15 December 2011 10:18, jim burns <jim_burn@bellsouth.net> wrote:
>
> Whenever my extra= line has xencons=tty, I don't get a desktop. If you omit
> it, or use xencons=xvc0, I get a desktop. This works for me:
>
> extra = 'console=xvc0 console=hvc0 console=tty'
None of both solutions work for me instead.
I still get this: http://goo.gl/z9CaX

Nothing more, even the domU has started.


-- 
Flavio

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	"xen-users@lists.xensource.com" <xen-users@lists.xensource.com>,
	Alex Perez <alex@seamicro.com>
Subject: Re: [Xen-users] [Xen-API] New name for Kronos? [was XCP
	1.5	availability]
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On Wed, Dec 14, 2011 at 06:01:17PM +0000, Mike McClurg wrote:
> On 14/12/11 17:32, Alex Perez wrote:
> > I would go a single step further, and suggest that you not use the term
> > "XCP" at all in the context of Kronos. There's already pleeenty of
> > confusion about exactly what is what. Right now, XCP means one thing, and
> > I would implore you to keep it that way.
> 
> One of the biggest effects of this confusion is that people are now
> worried that XCP will become completely unstable, like Fedora versus
> RHEL, and thus won't be suitable for serious enterprise deployments.
> 
> Perhaps just calling it Kronos is a good idea. Though our packaging is
> nearly complete, and they are all prefixed with 'xcp-'... I suppose we
> can leave that as it is, since it is the XCP toolstack we're installing.
> Does anyone else feel this strongly about calling it Kronos, and NOT
> mentioning XCP?
> 

Imho, if possible, the debian/ubuntu package names should be changed,
xcp- in the deb package names will cause a lot of confusion.

xapi- is better, or kronos-, for the deb packages.

I think 'xcp' should be used only for the .iso image appliance..

-- Pasi


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Subject: Re: [Xen-users] [Xen-API] New name for Kronos? [was XCP
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On Wed, Dec 14, 2011 at 06:01:17PM +0000, Mike McClurg wrote:
> On 14/12/11 17:32, Alex Perez wrote:
> > I would go a single step further, and suggest that you not use the term
> > "XCP" at all in the context of Kronos. There's already pleeenty of
> > confusion about exactly what is what. Right now, XCP means one thing, and
> > I would implore you to keep it that way.
> 
> One of the biggest effects of this confusion is that people are now
> worried that XCP will become completely unstable, like Fedora versus
> RHEL, and thus won't be suitable for serious enterprise deployments.
> 
> Perhaps just calling it Kronos is a good idea. Though our packaging is
> nearly complete, and they are all prefixed with 'xcp-'... I suppose we
> can leave that as it is, since it is the XCP toolstack we're installing.
> Does anyone else feel this strongly about calling it Kronos, and NOT
> mentioning XCP?
> 

Imho, if possible, the debian/ubuntu package names should be changed,
xcp- in the deb package names will cause a lot of confusion.

xapi- is better, or kronos-, for the deb packages.

I think 'xcp' should be used only for the .iso image appliance..

-- Pasi


_______________________________________________
Xen-users mailing list
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Subject: Re: [Xen-users] [Xen-API] New name for Kronos? [was XCP 1.5
	availability]
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On 15/12/11 12:01, Pasi K=E4rkk=E4inen wrote:
> On Wed, Dec 14, 2011 at 06:01:17PM +0000, Mike McClurg wrote:
>> On 14/12/11 17:32, Alex Perez wrote:
>>> I would go a single step further, and suggest that you not use the term
>>> "XCP" at all in the context of Kronos. There's already pleeenty of
>>> confusion about exactly what is what. Right now, XCP means one thing, a=
nd
>>> I would implore you to keep it that way.
>>
>> One of the biggest effects of this confusion is that people are now
>> worried that XCP will become completely unstable, like Fedora versus
>> RHEL, and thus won't be suitable for serious enterprise deployments.
>>
>> Perhaps just calling it Kronos is a good idea. Though our packaging is
>> nearly complete, and they are all prefixed with 'xcp-'... I suppose we
>> can leave that as it is, since it is the XCP toolstack we're installing.
>> Does anyone else feel this strongly about calling it Kronos, and NOT
>> mentioning XCP?
>>
> =

> Imho, if possible, the debian/ubuntu package names should be changed,
> xcp- in the deb package names will cause a lot of confusion.
> =

> xapi- is better, or kronos-, for the deb packages.
> =

> I think 'xcp' should be used only for the .iso image appliance..
> =


So, I hate to use this as an excuse, but there are actually already a
few of our Kronos packages in Debian Sid right now with the name xcp-*.
I actually think this is a good thing, because those packages are
software that came from XCP, so to me it makes sense to call the
packages xcp-blah.

How about this compromise: We call "traditional" XCP, the thing that's
based on CentOS and is delivered as a standalone ISO, the "XCP
Distribution". We can then call the Kronos packages, the set of software
that is installable on Debian and Ubuntu (and hopefully other distros in
the future), the "XCP Toolstack".

I think that this solution will remove some of the confusion about which
thing is which. Will this be an acceptable compromise to everyone?

Mike

_______________________________________________
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Subject: Re: [Xen-users] [Xen-API] New name for Kronos? [was XCP 1.5
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On 15/12/11 12:01, Pasi K=E4rkk=E4inen wrote:
> On Wed, Dec 14, 2011 at 06:01:17PM +0000, Mike McClurg wrote:
>> On 14/12/11 17:32, Alex Perez wrote:
>>> I would go a single step further, and suggest that you not use the term
>>> "XCP" at all in the context of Kronos. There's already pleeenty of
>>> confusion about exactly what is what. Right now, XCP means one thing, a=
nd
>>> I would implore you to keep it that way.
>>
>> One of the biggest effects of this confusion is that people are now
>> worried that XCP will become completely unstable, like Fedora versus
>> RHEL, and thus won't be suitable for serious enterprise deployments.
>>
>> Perhaps just calling it Kronos is a good idea. Though our packaging is
>> nearly complete, and they are all prefixed with 'xcp-'... I suppose we
>> can leave that as it is, since it is the XCP toolstack we're installing.
>> Does anyone else feel this strongly about calling it Kronos, and NOT
>> mentioning XCP?
>>
> =

> Imho, if possible, the debian/ubuntu package names should be changed,
> xcp- in the deb package names will cause a lot of confusion.
> =

> xapi- is better, or kronos-, for the deb packages.
> =

> I think 'xcp' should be used only for the .iso image appliance..
> =


So, I hate to use this as an excuse, but there are actually already a
few of our Kronos packages in Debian Sid right now with the name xcp-*.
I actually think this is a good thing, because those packages are
software that came from XCP, so to me it makes sense to call the
packages xcp-blah.

How about this compromise: We call "traditional" XCP, the thing that's
based on CentOS and is delivered as a standalone ISO, the "XCP
Distribution". We can then call the Kronos packages, the set of software
that is installable on Debian and Ubuntu (and hopefully other distros in
the future), the "XCP Toolstack".

I think that this solution will remove some of the confusion about which
thing is which. Will this be an acceptable compromise to everyone?

Mike

_______________________________________________
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From: Andrew Wells <agwells0714@gmail.com>
Date: Thu, 15 Dec 2011 08:49:17 -0500
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To: Florian Heigl <florian.heigl@gmail.com>
Cc: xen-users <xen-users@lists.xensource.com>, John Sherwood <jrs@vt.edu>
Subject: Re: [Xen-users] Disk IO tuning
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--e89a8ff1c52a62c78d04b421c140
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Dear Florian Heigl,
*
*
I attempted that, and so the
Virtual System: 39.4 MB/s

Hardware System: 321 MB/s

I think my bottle neck is on the host side... any suggestions?

Andrew.

On Wed, Dec 14, 2011 at 4:10 PM, Florian Heigl <florian.heigl@gmail.com>wrote:

> Hi,
>
> 2011/12/14 Andrew Wells <agwells0714@gmail.com>:
> > Hardware:
> > dd if=/dev/zero of=/data/gp/test.file bs=4096 count=1000000
>
> It would be very helpful to start by testing sync writes using a
> better blocksize. Otherwise you're just testing how fast you can fill
> your dom0s buffer cache. Xen will not use such unsafe writes unless
> you're using a file:// device.
>
> Also, even if our Linux apps run using 4K pages, the IO speed in dd
> will be quite bad using that. This would be most interesting if you
> expect a lot of paging from the domUs. Not saying that this isn't
> something worth testing, but rather first find out the full sequential
> speed, and then use something different from dd to test 4K random IOs.
> Sequential + 4K is really not going to happen a lot.
>
> so use
> 1) conv=fdatasync at the end of the line
> 2) bs=1M count=1024
>
> Yes, the 1024 "MB" will not be enough to fill the arrays cache.
> But you're looking for host IO bottlenecks, so this would be very
> sensible to not try to starve the array, but the host only.
>
>
>
> --
> the purpose of libvirt is to provide an abstraction layer hiding all
> xen features added since 2006 until they were finally understood and
> copied by the kvm devs.
>

--e89a8ff1c52a62c78d04b421c140
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Dear=A0<span class=3D"Apple-style-span" style>Florian Heigl,</span><div><fo=
nt class=3D"Apple-style-span" color=3D"#222222" face=3D"arial, sans-serif">=
<span class=3D"Apple-style-span" style=3D"white-space:nowrap"><b><br></b></=
span></font></div>

<div><font class=3D"Apple-style-span" color=3D"#222222" face=3D"arial, sans=
-serif"><span class=3D"Apple-style-span" style=3D"white-space:nowrap">I att=
empted that, and so the=A0</span></font></div><div><font class=3D"Apple-sty=
le-span" color=3D"#222222" face=3D"arial, sans-serif"><span class=3D"Apple-=
style-span" style=3D"white-space:nowrap">Virtual System: 39.4 MB/s</span></=
font></div>

<div><font class=3D"Apple-style-span" color=3D"#222222" face=3D"arial, sans=
-serif"><span class=3D"Apple-style-span" style=3D"white-space:nowrap"><br><=
/span></font></div><div><font class=3D"Apple-style-span" color=3D"#222222" =
face=3D"arial, sans-serif"><span class=3D"Apple-style-span" style=3D"white-=
space:nowrap">Hardware System: 321 MB/s</span></font></div>

<div><font class=3D"Apple-style-span" color=3D"#222222" face=3D"arial, sans=
-serif"><span class=3D"Apple-style-span" style=3D"white-space:nowrap"><br><=
/span></font></div><div><font class=3D"Apple-style-span" color=3D"#222222" =
face=3D"arial, sans-serif"><span class=3D"Apple-style-span" style=3D"white-=
space:nowrap">I think my bottle neck is on the host side... any suggestions=
?</span></font></div>

<div><font class=3D"Apple-style-span" color=3D"#222222" face=3D"arial, sans=
-serif"><span class=3D"Apple-style-span" style=3D"white-space:nowrap"><br><=
/span></font></div><div><font class=3D"Apple-style-span" color=3D"#222222" =
face=3D"arial, sans-serif"><span class=3D"Apple-style-span" style=3D"white-=
space:nowrap">Andrew.</span></font></div>

<div><br><div class=3D"gmail_quote">On Wed, Dec 14, 2011 at 4:10 PM, Floria=
n Heigl <span dir=3D"ltr">&lt;<a href=3D"mailto:florian.heigl@gmail.com">fl=
orian.heigl@gmail.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_q=
uote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1e=
x">

Hi,<br>
<br>
2011/12/14 Andrew Wells &lt;<a href=3D"mailto:agwells0714@gmail.com">agwell=
s0714@gmail.com</a>&gt;:<br>
<div class=3D"im">&gt; Hardware:<br>
&gt; dd if=3D/dev/zero of=3D/data/gp/test.file bs=3D4096 count=3D1000000<br=
>
<br>
</div>It would be very helpful to start by testing sync writes using a<br>
better blocksize. Otherwise you&#39;re just testing how fast you can fill<b=
r>
your dom0s buffer cache. Xen will not use such unsafe writes unless<br>
you&#39;re using a file:// device.<br>
<br>
Also, even if our Linux apps run using 4K pages, the IO speed in dd<br>
will be quite bad using that. This would be most interesting if you<br>
expect a lot of paging from the domUs. Not saying that this isn&#39;t<br>
something worth testing, but rather first find out the full sequential<br>
speed, and then use something different from dd to test 4K random IOs.<br>
Sequential + 4K is really not going to happen a lot.<br>
<br>
so use<br>
1) conv=3Dfdatasync at the end of the line<br>
2) bs=3D1M count=3D1024<br>
<br>
Yes, the 1024 &quot;MB&quot; will not be enough to fill the arrays cache.<b=
r>
But you&#39;re looking for host IO bottlenecks, so this would be very<br>
sensible to not try to starve the array, but the host only.<br>
<span class=3D"HOEnZb"><font color=3D"#888888"><br>
<br>
<br>
--<br>
the purpose of libvirt is to provide an abstraction layer hiding all<br>
xen features added since 2006 until they were finally understood and<br>
copied by the kvm devs.<br>
</font></span></blockquote></div><br></div>

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From: Andrew Wells <agwells0714@gmail.com>
Date: Thu, 15 Dec 2011 08:49:17 -0500
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To: Florian Heigl <florian.heigl@gmail.com>
Cc: xen-users <xen-users@lists.xensource.com>, John Sherwood <jrs@vt.edu>
Subject: Re: [Xen-users] Disk IO tuning
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Dear Florian Heigl,
*
*
I attempted that, and so the
Virtual System: 39.4 MB/s

Hardware System: 321 MB/s

I think my bottle neck is on the host side... any suggestions?

Andrew.

On Wed, Dec 14, 2011 at 4:10 PM, Florian Heigl <florian.heigl@gmail.com>wrote:

> Hi,
>
> 2011/12/14 Andrew Wells <agwells0714@gmail.com>:
> > Hardware:
> > dd if=/dev/zero of=/data/gp/test.file bs=4096 count=1000000
>
> It would be very helpful to start by testing sync writes using a
> better blocksize. Otherwise you're just testing how fast you can fill
> your dom0s buffer cache. Xen will not use such unsafe writes unless
> you're using a file:// device.
>
> Also, even if our Linux apps run using 4K pages, the IO speed in dd
> will be quite bad using that. This would be most interesting if you
> expect a lot of paging from the domUs. Not saying that this isn't
> something worth testing, but rather first find out the full sequential
> speed, and then use something different from dd to test 4K random IOs.
> Sequential + 4K is really not going to happen a lot.
>
> so use
> 1) conv=fdatasync at the end of the line
> 2) bs=1M count=1024
>
> Yes, the 1024 "MB" will not be enough to fill the arrays cache.
> But you're looking for host IO bottlenecks, so this would be very
> sensible to not try to starve the array, but the host only.
>
>
>
> --
> the purpose of libvirt is to provide an abstraction layer hiding all
> xen features added since 2006 until they were finally understood and
> copied by the kvm devs.
>

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Dear=A0<span class=3D"Apple-style-span" style>Florian Heigl,</span><div><fo=
nt class=3D"Apple-style-span" color=3D"#222222" face=3D"arial, sans-serif">=
<span class=3D"Apple-style-span" style=3D"white-space:nowrap"><b><br></b></=
span></font></div>

<div><font class=3D"Apple-style-span" color=3D"#222222" face=3D"arial, sans=
-serif"><span class=3D"Apple-style-span" style=3D"white-space:nowrap">I att=
empted that, and so the=A0</span></font></div><div><font class=3D"Apple-sty=
le-span" color=3D"#222222" face=3D"arial, sans-serif"><span class=3D"Apple-=
style-span" style=3D"white-space:nowrap">Virtual System: 39.4 MB/s</span></=
font></div>

<div><font class=3D"Apple-style-span" color=3D"#222222" face=3D"arial, sans=
-serif"><span class=3D"Apple-style-span" style=3D"white-space:nowrap"><br><=
/span></font></div><div><font class=3D"Apple-style-span" color=3D"#222222" =
face=3D"arial, sans-serif"><span class=3D"Apple-style-span" style=3D"white-=
space:nowrap">Hardware System: 321 MB/s</span></font></div>

<div><font class=3D"Apple-style-span" color=3D"#222222" face=3D"arial, sans=
-serif"><span class=3D"Apple-style-span" style=3D"white-space:nowrap"><br><=
/span></font></div><div><font class=3D"Apple-style-span" color=3D"#222222" =
face=3D"arial, sans-serif"><span class=3D"Apple-style-span" style=3D"white-=
space:nowrap">I think my bottle neck is on the host side... any suggestions=
?</span></font></div>

<div><font class=3D"Apple-style-span" color=3D"#222222" face=3D"arial, sans=
-serif"><span class=3D"Apple-style-span" style=3D"white-space:nowrap"><br><=
/span></font></div><div><font class=3D"Apple-style-span" color=3D"#222222" =
face=3D"arial, sans-serif"><span class=3D"Apple-style-span" style=3D"white-=
space:nowrap">Andrew.</span></font></div>

<div><br><div class=3D"gmail_quote">On Wed, Dec 14, 2011 at 4:10 PM, Floria=
n Heigl <span dir=3D"ltr">&lt;<a href=3D"mailto:florian.heigl@gmail.com">fl=
orian.heigl@gmail.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_q=
uote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1e=
x">

Hi,<br>
<br>
2011/12/14 Andrew Wells &lt;<a href=3D"mailto:agwells0714@gmail.com">agwell=
s0714@gmail.com</a>&gt;:<br>
<div class=3D"im">&gt; Hardware:<br>
&gt; dd if=3D/dev/zero of=3D/data/gp/test.file bs=3D4096 count=3D1000000<br=
>
<br>
</div>It would be very helpful to start by testing sync writes using a<br>
better blocksize. Otherwise you&#39;re just testing how fast you can fill<b=
r>
your dom0s buffer cache. Xen will not use such unsafe writes unless<br>
you&#39;re using a file:// device.<br>
<br>
Also, even if our Linux apps run using 4K pages, the IO speed in dd<br>
will be quite bad using that. This would be most interesting if you<br>
expect a lot of paging from the domUs. Not saying that this isn&#39;t<br>
something worth testing, but rather first find out the full sequential<br>
speed, and then use something different from dd to test 4K random IOs.<br>
Sequential + 4K is really not going to happen a lot.<br>
<br>
so use<br>
1) conv=3Dfdatasync at the end of the line<br>
2) bs=3D1M count=3D1024<br>
<br>
Yes, the 1024 &quot;MB&quot; will not be enough to fill the arrays cache.<b=
r>
But you&#39;re looking for host IO bottlenecks, so this would be very<br>
sensible to not try to starve the array, but the host only.<br>
<span class=3D"HOEnZb"><font color=3D"#888888"><br>
<br>
<br>
--<br>
the purpose of libvirt is to provide an abstraction layer hiding all<br>
xen features added since 2006 until they were finally understood and<br>
copied by the kvm devs.<br>
</font></span></blockquote></div><br></div>

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From: Florian Heigl <florian.heigl@gmail.com>
To: Andrew Wells <agwells0714@gmail.com>
Cc: xen-users <xen-users@lists.xensource.com>, John Sherwood <jrs@vt.edu>
Subject: Re: [Xen-users] Disk IO tuning
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Hi,

2011/12/15 Andrew Wells <agwells0714@gmail.com>:
> Dear=A0Florian Heigl,

just to make this clear: you're the one that has to do the searching ;)

> I attempted that, and so the
> Virtual System: 39.4 MB/s
>
> Hardware System: 321 MB/s
>
> I think my bottle neck is on the host side... any suggestions?

look for any qemu processes consuming 100% in top output on the host while
you do this benchmark. If you see any, then you're using emulated (very slo=
w)
disk drivers in the VM.

I'd be very surprised if it's something different than that.

florian

-- =

the purpose of libvirt is to provide an abstraction layer hiding all
xen features added since 2006 until they were finally understood and
copied by the kvm devs.

_______________________________________________
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Hi,

2011/12/15 Andrew Wells <agwells0714@gmail.com>:
> Dear=A0Florian Heigl,

just to make this clear: you're the one that has to do the searching ;)

> I attempted that, and so the
> Virtual System: 39.4 MB/s
>
> Hardware System: 321 MB/s
>
> I think my bottle neck is on the host side... any suggestions?

look for any qemu processes consuming 100% in top output on the host while
you do this benchmark. If you see any, then you're using emulated (very slo=
w)
disk drivers in the VM.

I'd be very surprised if it's something different than that.

florian

-- =

the purpose of libvirt is to provide an abstraction layer hiding all
xen features added since 2006 until they were finally understood and
copied by the kvm devs.

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Florian Heigl <florian.heigl@gmail.com> schrieb:

>> I think my bottle neck is on the host side... any suggestions?
>
>look for any qemu processes consuming 100% in top output on the host

just to make shure here:
qemu? Does this means you did not use paravirtualized linux guests but full virtualization instead? Full virtualized guests are by principe slower then PV guests.


cheers,


Niels.

- --
Niels Dettenbach
Syndicat IT&Internet
http://www.syndicat.com
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Florian Heigl <florian.heigl@gmail.com> schrieb:

>> I think my bottle neck is on the host side... any suggestions?
>
>look for any qemu processes consuming 100% in top output on the host

just to make shure here:
qemu? Does this means you did not use paravirtualized linux guests but full virtualization instead? Full virtualized guests are by principe slower then PV guests.


cheers,


Niels.

- --
Niels Dettenbach
Syndicat IT&Internet
http://www.syndicat.com
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Hi,

I am using xen 4.0.1 from debian Squeeze repositories and dom0 has =

kernel 2.6.32-5-xen-amd64(also stock debian).
I wanted to set a high value to maxmem in my xmdomain.cfg vm config =

files so that I can increase memory as needed without rebooting.
Unfortunately as soon as I set this paramater I see really wiered things.
For example, I am trying to install a windows HVM guest. When maxmem is =

not set, the first screen of the installer appear after less than 30. If =

I set maxmem to 12288 (12GB, i guess), the installer screen takes more =

than 3min30sec to splash...
I have also tried to decrease maxmem to 8GB then 4GB (while =

memory=3D2048)... but that doesn't help... Well I have to say that the =

lower maxmem is set, the faster the VM are.
But when set the VM are generally slow and unstable, as I did not =

succeded to complete any installl because of guests crashing.
Not sure if it's related but, few times ago, I had an issue while doing =

live migration of a PV guest (migration seemed OK but VM was frozen) =

that also had maxmem set to such a value...  I never experienced livemig =

problem like this before...

Is there any options that may be incompatible with maxmem? Or am just =

doing bad use of maxmem?

Did anybody experienced similar behaviour?

Regards
-- =

<http://www.horoa.net>

Alexandre Chapellon

Ing=E9nierie des syst=E8mes open sources et r=E9seaux.
Follow me on twitter: @alxgomz <http://www.twitter.com/alxgomz>


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Hi,

I am using xen 4.0.1 from debian Squeeze repositories and dom0 has =

kernel 2.6.32-5-xen-amd64(also stock debian).
I wanted to set a high value to maxmem in my xmdomain.cfg vm config =

files so that I can increase memory as needed without rebooting.
Unfortunately as soon as I set this paramater I see really wiered things.
For example, I am trying to install a windows HVM guest. When maxmem is =

not set, the first screen of the installer appear after less than 30. If =

I set maxmem to 12288 (12GB, i guess), the installer screen takes more =

than 3min30sec to splash...
I have also tried to decrease maxmem to 8GB then 4GB (while =

memory=3D2048)... but that doesn't help... Well I have to say that the =

lower maxmem is set, the faster the VM are.
But when set the VM are generally slow and unstable, as I did not =

succeded to complete any installl because of guests crashing.
Not sure if it's related but, few times ago, I had an issue while doing =

live migration of a PV guest (migration seemed OK but VM was frozen) =

that also had maxmem set to such a value...  I never experienced livemig =

problem like this before...

Is there any options that may be incompatible with maxmem? Or am just =

doing bad use of maxmem?

Did anybody experienced similar behaviour?

Regards
-- =

<http://www.horoa.net>

Alexandre Chapellon

Ing=E9nierie des syst=E8mes open sources et r=E9seaux.
Follow me on twitter: @alxgomz <http://www.twitter.com/alxgomz>


_______________________________________________
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From: Andrew Wells <agwells0714@gmail.com>
Date: Thu, 15 Dec 2011 13:12:56 -0500
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Subject: Re: [Xen-users] Disk IO tuning
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Opps, need to reply all

pv is a lot better; thanks!

So using PV, is there anything I can do to tune io to increase performance

On Thu, Dec 15, 2011 at 11:02 AM, Niels Dettenbach (Syndicat IT&Internet) <
nd@syndicat.com> wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA256
>
>
>
>
>
> Andrew Wells <agwells0714@gmail.com> schrieb:
>
> >Is there a way I can get pxe boot in pv? that is the only reason I am
> >using
> >HVM in xenserver 6
>
> ...hmm, not shure - may be with pygrub (never worked with pygrub before).
> But i hardly assume that you will find ways around to solve your issue
> because you have a much more "intelligent" Dom0 as a base to boot your sy=
s
> =DF)
>
> Maybe (i assume this) others can help more in this issue here...
>
>
> cheers,
>
>
> Niels.
>
>
> - --
> Niels Dettenbach
> Syndicat IT&Internet
> http://www.syndicat.com
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Opps, need to reply all<br><br><span class=3D"Apple-style-span" style>pv is=
 a lot better; thanks!</span><div><font class=3D"Apple-style-span" color=3D=
"#222222" face=3D"arial, sans-serif"><br></font></div><div><span class=3D"A=
pple-style-span" style>So using PV, is there anything I can do to tune io t=
o increase performance</span><font class=3D"Apple-style-span" color=3D"#222=
222" face=3D"arial, sans-serif"><br>

</font><br><div class=3D"gmail_quote">On Thu, Dec 15, 2011 at 11:02 AM, Nie=
ls Dettenbach (Syndicat IT&amp;Internet) <span dir=3D"ltr">&lt;<a href=3D"m=
ailto:nd@syndicat.com">nd@syndicat.com</a>&gt;</span> wrote:<br><blockquote=
 class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc soli=
d;padding-left:1ex">

<div class=3D"im">-----BEGIN PGP SIGNED MESSAGE-----<br>
Hash: SHA256<br>
<br>
<br>
<br>
<br>
<br>
</div>Andrew Wells &lt;<a href=3D"mailto:agwells0714@gmail.com">agwells0714=
@gmail.com</a>&gt; schrieb:<br>
<div class=3D"im"><br>
&gt;Is there a way I can get pxe boot in pv? that is the only reason I am<b=
r>
&gt;using<br>
&gt;HVM in xenserver 6<br>
<br>
</div>...hmm, not shure - may be with pygrub (never worked with pygrub befo=
re). But i hardly assume that you will find ways around to solve your issue=
 because you have a much more &quot;intelligent&quot; Dom0 as a base to boo=
t your sys =DF)<br>


<br>
Maybe (i assume this) others can help more in this issue here...<br>
<div class=3D"im"><br>
<br>
cheers,<br>
<br>
<br>
Niels.<br>
<br>
<br>
- --<br>
Niels Dettenbach<br>
Syndicat IT&amp;Internet<br>
<a href=3D"http://www.syndicat.com" target=3D"_blank">http://www.syndicat.c=
om</a><br>
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</blockquote></div><br></div>

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Opps, need to reply all

pv is a lot better; thanks!

So using PV, is there anything I can do to tune io to increase performance

On Thu, Dec 15, 2011 at 11:02 AM, Niels Dettenbach (Syndicat IT&Internet) <
nd@syndicat.com> wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA256
>
>
>
>
>
> Andrew Wells <agwells0714@gmail.com> schrieb:
>
> >Is there a way I can get pxe boot in pv? that is the only reason I am
> >using
> >HVM in xenserver 6
>
> ...hmm, not shure - may be with pygrub (never worked with pygrub before).
> But i hardly assume that you will find ways around to solve your issue
> because you have a much more "intelligent" Dom0 as a base to boot your sy=
s
> =DF)
>
> Maybe (i assume this) others can help more in this issue here...
>
>
> cheers,
>
>
> Niels.
>
>
> - --
> Niels Dettenbach
> Syndicat IT&Internet
> http://www.syndicat.com
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Opps, need to reply all<br><br><span class=3D"Apple-style-span" style>pv is=
 a lot better; thanks!</span><div><font class=3D"Apple-style-span" color=3D=
"#222222" face=3D"arial, sans-serif"><br></font></div><div><span class=3D"A=
pple-style-span" style>So using PV, is there anything I can do to tune io t=
o increase performance</span><font class=3D"Apple-style-span" color=3D"#222=
222" face=3D"arial, sans-serif"><br>

</font><br><div class=3D"gmail_quote">On Thu, Dec 15, 2011 at 11:02 AM, Nie=
ls Dettenbach (Syndicat IT&amp;Internet) <span dir=3D"ltr">&lt;<a href=3D"m=
ailto:nd@syndicat.com">nd@syndicat.com</a>&gt;</span> wrote:<br><blockquote=
 class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc soli=
d;padding-left:1ex">

<div class=3D"im">-----BEGIN PGP SIGNED MESSAGE-----<br>
Hash: SHA256<br>
<br>
<br>
<br>
<br>
<br>
</div>Andrew Wells &lt;<a href=3D"mailto:agwells0714@gmail.com">agwells0714=
@gmail.com</a>&gt; schrieb:<br>
<div class=3D"im"><br>
&gt;Is there a way I can get pxe boot in pv? that is the only reason I am<b=
r>
&gt;using<br>
&gt;HVM in xenserver 6<br>
<br>
</div>...hmm, not shure - may be with pygrub (never worked with pygrub befo=
re). But i hardly assume that you will find ways around to solve your issue=
 because you have a much more &quot;intelligent&quot; Dom0 as a base to boo=
t your sys =DF)<br>


<br>
Maybe (i assume this) others can help more in this issue here...<br>
<div class=3D"im"><br>
<br>
cheers,<br>
<br>
<br>
Niels.<br>
<br>
<br>
- --<br>
Niels Dettenbach<br>
Syndicat IT&amp;Internet<br>
<a href=3D"http://www.syndicat.com" target=3D"_blank">http://www.syndicat.c=
om</a><br>
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ttTI47IJnUHFlylAewCfYUWJRcuej13WTOY6b3gBlCgezTY=3D<br>
=3D1mur<br>
-----END PGP SIGNATURE-----<br>
<br>
</blockquote></div><br></div>

--e89a8ff1c0944ab08e04b42570c5--


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								=09

Hi guys=2C=20


I have kernel 3.1.5 + Debian 6 + Xen 4.1.1 and a problem with remus disk sy=
nchronization:


Remus without disk replication works well: # remus -i 100 ubuntu=20
backup-host =85that shows a continual stream of messages and HA works.

Trying to add disk replication: disk=3D['tap2:remus:192.168.2.4:9000|aio:/r=
emus/ubuntu.img=2Cxvda=2Cw']

1 creating domain: #xm create ubuntu.cfg

2 starting remus script: # remus -i 100 ubuntu 192.168.2.4

ubuntu.img =3D 2.1G

Now it has taken over 2 hours doing "nothing"=2C remus doesn't show any
 message stream. On the backup host ubuntu appears in Pause state=2C=20
and=20
on the primary it seems to be working as xm list shows the guess in - - -
 - - - NO state. The CPU time does not increse either.
I wonder what might be happening or what am I doing wrong since I=20
can't see any logs or futher information from both of my systems.=20
I have
 uploaded a screenshot: http://i42.tinypic.com/2whl8wk.png

Thank you in advance!

Tony.

						=09

							=09
						=09
					 		 	   		  =

--_ca6f8bea-b1bd-47e7-8ccb-021823206234_
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<head>
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--></style></head>
<body class=3D'hmmessage'><div dir=3D'ltr'>
<div class=3D"content" id=3D"post-content-1328441">
								=09

Hi guys=2C <br><BR><br><BR>
I have kernel 3.1.5 + Debian 6 + Xen 4.1.1 and a problem with remus disk sy=
nchronization:<br><BR>
<br><BR>Remus without disk replication works well: # remus -i 100 ubuntu=20
backup-host =85that shows a continual stream of messages and HA works.<br>
Trying to add disk replication: disk=3D['tap2:remus:192.168.2.4:9000|aio:/r=
emus/ubuntu.img=2Cxvda=2Cw']<br>
1 creating domain: #xm create ubuntu.cfg<br>
2 starting remus script: # remus -i 100 ubuntu 192.168.2.4<BR><br><BR>
ubuntu.img =3D 2.1G<BR>
<br><BR>Now it has taken over 2 hours doing "nothing"=2C remus doesn't show=
 any
 message stream. On the backup host ubuntu appears in Pause state=2C <br><B=
R>and=20
on the primary it seems to be working as xm list shows the guess in - - -
 - - - NO state. The CPU time does not increse either.<BR>
I wonder what might be happening or what am I doing wrong since I=20
can't see any logs or futher information from both of my systems. <br><BR>I=
 have
 uploaded a screenshot: <font style=3D"font-size: 10pt=3B" size=3D"2" face=
=3D"Tahoma "><a href=3D"http://i42.tinypic.com/2whl8wk.png">http://i42.tiny=
pic.com/2whl8wk.png</a></font><BR><font style=3D"font-size: 10pt=3B" size=
=3D"2" face=3D"Tahoma "><a href=3D"http://i42.tinypic.com/2whl8wk.png"><br>=
</a></font><BR>
Thank you in advance!<BR>
<br><BR>Tony.<BR>

							</div>

							=09
						=09
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</html>=

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								=09

Hi guys=2C=20


I have kernel 3.1.5 + Debian 6 + Xen 4.1.1 and a problem with remus disk sy=
nchronization:


Remus without disk replication works well: # remus -i 100 ubuntu=20
backup-host =85that shows a continual stream of messages and HA works.

Trying to add disk replication: disk=3D['tap2:remus:192.168.2.4:9000|aio:/r=
emus/ubuntu.img=2Cxvda=2Cw']

1 creating domain: #xm create ubuntu.cfg

2 starting remus script: # remus -i 100 ubuntu 192.168.2.4

ubuntu.img =3D 2.1G

Now it has taken over 2 hours doing "nothing"=2C remus doesn't show any
 message stream. On the backup host ubuntu appears in Pause state=2C=20
and=20
on the primary it seems to be working as xm list shows the guess in - - -
 - - - NO state. The CPU time does not increse either.
I wonder what might be happening or what am I doing wrong since I=20
can't see any logs or futher information from both of my systems.=20
I have
 uploaded a screenshot: http://i42.tinypic.com/2whl8wk.png

Thank you in advance!

Tony.

						=09

							=09
						=09
					 		 	   		  =

--_ca6f8bea-b1bd-47e7-8ccb-021823206234_
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<body class=3D'hmmessage'><div dir=3D'ltr'>
<div class=3D"content" id=3D"post-content-1328441">
								=09

Hi guys=2C <br><BR><br><BR>
I have kernel 3.1.5 + Debian 6 + Xen 4.1.1 and a problem with remus disk sy=
nchronization:<br><BR>
<br><BR>Remus without disk replication works well: # remus -i 100 ubuntu=20
backup-host =85that shows a continual stream of messages and HA works.<br>
Trying to add disk replication: disk=3D['tap2:remus:192.168.2.4:9000|aio:/r=
emus/ubuntu.img=2Cxvda=2Cw']<br>
1 creating domain: #xm create ubuntu.cfg<br>
2 starting remus script: # remus -i 100 ubuntu 192.168.2.4<BR><br><BR>
ubuntu.img =3D 2.1G<BR>
<br><BR>Now it has taken over 2 hours doing "nothing"=2C remus doesn't show=
 any
 message stream. On the backup host ubuntu appears in Pause state=2C <br><B=
R>and=20
on the primary it seems to be working as xm list shows the guess in - - -
 - - - NO state. The CPU time does not increse either.<BR>
I wonder what might be happening or what am I doing wrong since I=20
can't see any logs or futher information from both of my systems. <br><BR>I=
 have
 uploaded a screenshot: <font style=3D"font-size: 10pt=3B" size=3D"2" face=
=3D"Tahoma "><a href=3D"http://i42.tinypic.com/2whl8wk.png">http://i42.tiny=
pic.com/2whl8wk.png</a></font><BR><font style=3D"font-size: 10pt=3B" size=
=3D"2" face=3D"Tahoma "><a href=3D"http://i42.tinypic.com/2whl8wk.png"><br>=
</a></font><BR>
Thank you in advance!<BR>
<br><BR>Tony.<BR>

							</div>

							=09
						=09
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</html>=

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Hi I'm wondering if anyone has successfully been able to pass through
a secondary video card into a Windows 7 guest and been able to get
HDCP to work with an external display?  I'd like to virtualize my HTPC
but need HDCP for blu-ray and other protected content.

Thanks!
David

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Hi I'm wondering if anyone has successfully been able to pass through
a secondary video card into a Windows 7 guest and been able to get
HDCP to work with an external display?  I'd like to virtualize my HTPC
but need HDCP for blu-ray and other protected content.

Thanks!
David

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Xen-users mailing list
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From: Andrew Wells <agwells0714@gmail.com>
Date: Thu, 15 Dec 2011 16:27:42 -0500
Message-ID: <CAP3iW_TxNLz9h_nGYppRGoSvaaJjym3hhRy-ViDauoype-Kyvw@mail.gmail.com>
To: "Niels Dettenbach (Syndicat IT&Internet)" <nd@syndicat.com>
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] Disk IO tuning
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So with the the pv

My writes are alright, could be better,

but my reads are really slow compared to the hardware system?
Any hints for tuning the pv disk io?

On Thu, Dec 15, 2011 at 1:12 PM, Andrew Wells <agwells0714@gmail.com> wrote=
:

> Opps, need to reply all
>
>
> pv is a lot better; thanks!
>
> So using PV, is there anything I can do to tune io to increase performanc=
e
>
> On Thu, Dec 15, 2011 at 11:02 AM, Niels Dettenbach (Syndicat IT&Internet)
> <nd@syndicat.com> wrote:
>
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA256
>>
>>
>>
>>
>>
>> Andrew Wells <agwells0714@gmail.com> schrieb:
>>
>> >Is there a way I can get pxe boot in pv? that is the only reason I am
>> >using
>> >HVM in xenserver 6
>>
>> ...hmm, not shure - may be with pygrub (never worked with pygrub before)=
.
>> But i hardly assume that you will find ways around to solve your issue
>> because you have a much more "intelligent" Dom0 as a base to boot your s=
ys
>> =DF)
>>
>> Maybe (i assume this) others can help more in this issue here...
>>
>>
>> cheers,
>>
>>
>> Niels.
>>
>>
>> - --
>> Niels Dettenbach
>> Syndicat IT&Internet
>> http://www.syndicat.com
>> -----BEGIN PGP SIGNATURE-----
>> Version: APG v1.0.8
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>

--e89a8ff1c094d0243c04b4282869
Content-Type: text/html; charset=ISO-8859-1
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So with the the pv<div><br></div><div>My writes are alright, could be bette=
r,</div><div><br></div><div>but my reads are really slow compared to the ha=
rdware system?</div><div>Any hints for tuning the pv disk io?<br><br><div c=
lass=3D"gmail_quote">

On Thu, Dec 15, 2011 at 1:12 PM, Andrew Wells <span dir=3D"ltr">&lt;<a href=
=3D"mailto:agwells0714@gmail.com">agwells0714@gmail.com</a>&gt;</span> wrot=
e:<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-l=
eft:1px #ccc solid;padding-left:1ex">

Opps, need to reply all<div class=3D"im"><br><br><span>pv is a lot better; =
thanks!</span><div><font color=3D"#222222" face=3D"arial, sans-serif"><br><=
/font></div></div><div><div class=3D"im"><span>So using PV, is there anythi=
ng I can do to tune io to increase performance</span><font color=3D"#222222=
" face=3D"arial, sans-serif"><br>


</font><br></div><div class=3D"gmail_quote"><div class=3D"im">On Thu, Dec 1=
5, 2011 at 11:02 AM, Niels Dettenbach (Syndicat IT&amp;Internet) <span dir=
=3D"ltr">&lt;<a href=3D"mailto:nd@syndicat.com" target=3D"_blank">nd@syndic=
at.com</a>&gt;</span> wrote:<br>

</div><div><div class=3D"h5"><blockquote class=3D"gmail_quote" style=3D"mar=
gin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div>-----BEGIN PGP SIGNED MESSAGE-----<br>
Hash: SHA256<br>
<br>
<br>
<br>
<br>
<br>
</div>Andrew Wells &lt;<a href=3D"mailto:agwells0714@gmail.com" target=3D"_=
blank">agwells0714@gmail.com</a>&gt; schrieb:<br>
<div><br>
&gt;Is there a way I can get pxe boot in pv? that is the only reason I am<b=
r>
&gt;using<br>
&gt;HVM in xenserver 6<br>
<br>
</div>...hmm, not shure - may be with pygrub (never worked with pygrub befo=
re). But i hardly assume that you will find ways around to solve your issue=
 because you have a much more &quot;intelligent&quot; Dom0 as a base to boo=
t your sys =DF)<br>



<br>
Maybe (i assume this) others can help more in this issue here...<br>
<div><br>
<br>
cheers,<br>
<br>
<br>
Niels.<br>
<br>
<br>
- --<br>
Niels Dettenbach<br>
Syndicat IT&amp;Internet<br>
<a href=3D"http://www.syndicat.com" target=3D"_blank">http://www.syndicat.c=
om</a><br>
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=3D1mur<br>
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<br>
</blockquote></div></div></div><br></div>
</blockquote></div><br></div>

--e89a8ff1c094d0243c04b4282869--


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_______________________________________________
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--===============8460302395362504135==--


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From: Andrew Wells <agwells0714@gmail.com>
Date: Thu, 15 Dec 2011 16:27:42 -0500
Message-ID: <CAP3iW_TxNLz9h_nGYppRGoSvaaJjym3hhRy-ViDauoype-Kyvw@mail.gmail.com>
To: "Niels Dettenbach (Syndicat IT&Internet)" <nd@syndicat.com>
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] Disk IO tuning
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So with the the pv

My writes are alright, could be better,

but my reads are really slow compared to the hardware system?
Any hints for tuning the pv disk io?

On Thu, Dec 15, 2011 at 1:12 PM, Andrew Wells <agwells0714@gmail.com> wrote=
:

> Opps, need to reply all
>
>
> pv is a lot better; thanks!
>
> So using PV, is there anything I can do to tune io to increase performanc=
e
>
> On Thu, Dec 15, 2011 at 11:02 AM, Niels Dettenbach (Syndicat IT&Internet)
> <nd@syndicat.com> wrote:
>
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA256
>>
>>
>>
>>
>>
>> Andrew Wells <agwells0714@gmail.com> schrieb:
>>
>> >Is there a way I can get pxe boot in pv? that is the only reason I am
>> >using
>> >HVM in xenserver 6
>>
>> ...hmm, not shure - may be with pygrub (never worked with pygrub before)=
.
>> But i hardly assume that you will find ways around to solve your issue
>> because you have a much more "intelligent" Dom0 as a base to boot your s=
ys
>> =DF)
>>
>> Maybe (i assume this) others can help more in this issue here...
>>
>>
>> cheers,
>>
>>
>> Niels.
>>
>>
>> - --
>> Niels Dettenbach
>> Syndicat IT&Internet
>> http://www.syndicat.com
>> -----BEGIN PGP SIGNATURE-----
>> Version: APG v1.0.8
>>
>> iIEEAREIAEEFAk7qGg06HE5pZWxzIERldHRlbmJhY2ggKFN5bmRpY2F0IElUJklu
>> dGVybmV0KSA8bmRAc3luZGljYXQuY29tPgAKCRBU3ERlZRyiDZptAJ0SmI7ycVtU
>> ttTI47IJnUHFlylAewCfYUWJRcuej13WTOY6b3gBlCgezTY=3D
>> =3D1mur
>> -----END PGP SIGNATURE-----
>>
>>
>

--e89a8ff1c094d0243c04b4282869
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

So with the the pv<div><br></div><div>My writes are alright, could be bette=
r,</div><div><br></div><div>but my reads are really slow compared to the ha=
rdware system?</div><div>Any hints for tuning the pv disk io?<br><br><div c=
lass=3D"gmail_quote">

On Thu, Dec 15, 2011 at 1:12 PM, Andrew Wells <span dir=3D"ltr">&lt;<a href=
=3D"mailto:agwells0714@gmail.com">agwells0714@gmail.com</a>&gt;</span> wrot=
e:<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-l=
eft:1px #ccc solid;padding-left:1ex">

Opps, need to reply all<div class=3D"im"><br><br><span>pv is a lot better; =
thanks!</span><div><font color=3D"#222222" face=3D"arial, sans-serif"><br><=
/font></div></div><div><div class=3D"im"><span>So using PV, is there anythi=
ng I can do to tune io to increase performance</span><font color=3D"#222222=
" face=3D"arial, sans-serif"><br>


</font><br></div><div class=3D"gmail_quote"><div class=3D"im">On Thu, Dec 1=
5, 2011 at 11:02 AM, Niels Dettenbach (Syndicat IT&amp;Internet) <span dir=
=3D"ltr">&lt;<a href=3D"mailto:nd@syndicat.com" target=3D"_blank">nd@syndic=
at.com</a>&gt;</span> wrote:<br>

</div><div><div class=3D"h5"><blockquote class=3D"gmail_quote" style=3D"mar=
gin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div>-----BEGIN PGP SIGNED MESSAGE-----<br>
Hash: SHA256<br>
<br>
<br>
<br>
<br>
<br>
</div>Andrew Wells &lt;<a href=3D"mailto:agwells0714@gmail.com" target=3D"_=
blank">agwells0714@gmail.com</a>&gt; schrieb:<br>
<div><br>
&gt;Is there a way I can get pxe boot in pv? that is the only reason I am<b=
r>
&gt;using<br>
&gt;HVM in xenserver 6<br>
<br>
</div>...hmm, not shure - may be with pygrub (never worked with pygrub befo=
re). But i hardly assume that you will find ways around to solve your issue=
 because you have a much more &quot;intelligent&quot; Dom0 as a base to boo=
t your sys =DF)<br>



<br>
Maybe (i assume this) others can help more in this issue here...<br>
<div><br>
<br>
cheers,<br>
<br>
<br>
Niels.<br>
<br>
<br>
- --<br>
Niels Dettenbach<br>
Syndicat IT&amp;Internet<br>
<a href=3D"http://www.syndicat.com" target=3D"_blank">http://www.syndicat.c=
om</a><br>
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</blockquote></div></div></div><br></div>
</blockquote></div><br></div>

--e89a8ff1c094d0243c04b4282869--


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From: "Fajar A. Nugraha" <list@fajar.net>
To: Andrew Wells <agwells0714@gmail.com>
Cc: "Niels Dettenbach \(Syndicat IT&Internet\)" <nd@syndicat.com>,
	xen-users@lists.xensource.com
Subject: Re: [Xen-users] Disk IO tuning
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On Fri, Dec 16, 2011 at 4:27 AM, Andrew Wells <agwells0714@gmail.com> wrote:
> So with the the pv
>
> My writes are alright, could be better,
>
> but my reads are really slow compared to the hardware system?
> Any hints for tuning the pv disk io?

How did you measure "really slow"? Are you sure it's not the effect of cache?

I suggest you try again using block device directly (without
filesystem). For example, this is on my system (RHEL6 + xen-4.1.1+
kernel 3.1.0 + zfs), testing using "dd_rescue -d -b128k -B128k -m128M
/path/of/block/device/tested /dev/null", testing the same block device
in three scenario:
- on dom0 directly: got about 22 MBps (yes, this is pretty slow. I
only have two disks, mirrored).
- on dom0, but with block device mapped to dom0 with "xm block-attach"
(not sure what the equivalent command is in xen server): about 18 MBps
- on PV domU: about 18 MBps

the "-d" flag to dd_rescue opens the block device using O_DIRECT, to
avoid cache skewing up the result.

-- 
Fajar

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On Fri, Dec 16, 2011 at 4:27 AM, Andrew Wells <agwells0714@gmail.com> wrote:
> So with the the pv
>
> My writes are alright, could be better,
>
> but my reads are really slow compared to the hardware system?
> Any hints for tuning the pv disk io?

How did you measure "really slow"? Are you sure it's not the effect of cache?

I suggest you try again using block device directly (without
filesystem). For example, this is on my system (RHEL6 + xen-4.1.1+
kernel 3.1.0 + zfs), testing using "dd_rescue -d -b128k -B128k -m128M
/path/of/block/device/tested /dev/null", testing the same block device
in three scenario:
- on dom0 directly: got about 22 MBps (yes, this is pretty slow. I
only have two disks, mirrored).
- on dom0, but with block device mapped to dom0 with "xm block-attach"
(not sure what the equivalent command is in xen server): about 18 MBps
- on PV domU: about 18 MBps

the "-d" flag to dd_rescue opens the block device using O_DIRECT, to
avoid cache skewing up the result.

-- 
Fajar

_______________________________________________
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Andrew Wells <agwells0714@gmail.com> schrieb:

>So using PV, is there anything I can do to tune io to increase
>performance

Can you pls post your configuration file? This may help us further...


many thanks,


Niels.
- --
Niels Dettenbach
Syndicat IT&Internet
http://www.syndicat.com
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Andrew Wells <agwells0714@gmail.com> schrieb:

>So using PV, is there anything I can do to tune io to increase
>performance

Can you pls post your configuration file? This may help us further...


many thanks,


Niels.
- --
Niels Dettenbach
Syndicat IT&Internet
http://www.syndicat.com
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Date: Fri, 16 Dec 2011 14:02:47 +0530
Message-ID: <CAH5sEp8N_BdLNyWqr5dVoL0Vq-XdHsQcScd5cWSbTLFX8+hfsQ@mail.gmail.com>
From: vipul borikar <vipulcell@gmail.com>
To: Florian Heigl <florian.heigl@gmail.com>
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] Ubuntu 11.04 shutdown Problem
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Again the Ubuntu VM got shutdown automatically..

I am now attaching "xm demsg "  output. I did'nt find anything in that..

On Thu, Dec 15, 2011 at 10:14 AM, vipul borikar <vipulcell@gmail.com> wrote:

> Thanks for the Guidance...
> I will check out for the 5.7 dependencies.
> I didn't face that issue for some time now.. lets see
>
> Thanks again..
>
>
> On Wed, Dec 14, 2011 at 7:48 PM, Florian Heigl <florian.heigl@gmail.com>wrote:
>
>> 2011/12/12 vipul borikar <vipulcell@gmail.com>:
>> > Ok . Thanks for the Update...
>> > Can i try 5.7 Xen RPMS on 5.5 OS.. cause it will be tough for me to
>> upgrade
>> > the OS 5.5 to 5.7.
>>
>> I think so.
>> I don't know all the depends.
>> For the 5.7 xen dom0 kernel, you will have to install 5.7's e4fsprogs
>> and e4fsprogs-libs
>> Xen is one more package that has no extra dependencies according to my
>> knowledge.
>>
>> If you are under RHEL support, check back with them first. So you know
>> if they'll still support the config with newer kernel + Xen.
>> Considering the many bugs they had in older versions, they probably will
>> :)
>>
>> --
>> the purpose of libvirt is to provide an abstraction layer hiding all
>> xen features added since 2006 until they were finally understood and
>> copied by the kvm devs.
>>
>
>
>
> --
> Thanks
>
> Vipul Borikar
> "Our task must be to free ourselves...by widening our circle of compassion
> to embrace all living creatures and the whole of nature and its beauty."
>
>


-- 
Thanks

Vipul Borikar
"Our task must be to free ourselves...by widening our circle of compassion
to embrace all living creatures and the whole of nature and its beauty."

--f46d044787fb19360e04b43172be
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

Again the Ubuntu VM got shutdown automatically..<br><br>I am now attaching =
&quot;xm demsg &quot;=A0 output. I did&#39;nt find anything in that..<br><b=
r><div class=3D"gmail_quote">On Thu, Dec 15, 2011 at 10:14 AM, vipul borika=
r <span dir=3D"ltr">&lt;<a href=3D"mailto:vipulcell@gmail.com">vipulcell@gm=
ail.com</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">Thanks for the Guidance...<br>I will check o=
ut for the 5.7 dependencies.<br>I didn&#39;t face that issue for some time =
now.. lets see<br>
<br>Thanks again..<div class=3D"HOEnZb"><div class=3D"h5"><br><br><div clas=
s=3D"gmail_quote">On Wed, Dec 14, 2011 at 7:48 PM, Florian Heigl <span dir=
=3D"ltr">&lt;<a href=3D"mailto:florian.heigl@gmail.com" target=3D"_blank">f=
lorian.heigl@gmail.com</a>&gt;</span> wrote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0pt 0pt 0pt 0.8ex;border-=
left:1px solid rgb(204,204,204);padding-left:1ex">2011/12/12 vipul borikar =
&lt;<a href=3D"mailto:vipulcell@gmail.com" target=3D"_blank">vipulcell@gmai=
l.com</a>&gt;:<br>

<div>&gt; Ok . Thanks for the Update...<br>
&gt; Can i try 5.7 Xen RPMS on 5.5 OS.. cause it will be tough for me to up=
grade<br>
&gt; the OS 5.5 to 5.7.<br>
<br>
</div>I think so.<br>
I don&#39;t know all the depends.<br>
For the 5.7 xen dom0 kernel, you will have to install 5.7&#39;s e4fsprogs<b=
r>
and e4fsprogs-libs<br>
Xen is one more package that has no extra dependencies according to my<br>
knowledge.<br>
<br>
If you are under RHEL support, check back with them first. So you know<br>
if they&#39;ll still support the config with newer kernel + Xen.<br>
Considering the many bugs they had in older versions, they probably will :)=
<br>
<span><font color=3D"#888888"><br>
--<br>
the purpose of libvirt is to provide an abstraction layer hiding all<br>
xen features added since 2006 until they were finally understood and<br>
copied by the kvm devs.<br>
</font></span></blockquote></div><br><br clear=3D"all"><br></div></div><div=
 class=3D"HOEnZb"><div class=3D"h5">-- <br><div>Thanks=A0</div><div><br></d=
iv>Vipul Borikar <br><div>&quot;Our task must be to free ourselves...by wid=
ening our circle of compassion to embrace all living creatures and the whol=
e of nature and its beauty.&quot;</div>

<br>
</div></div></blockquote></div><br><br clear=3D"all"><br>-- <br><div>Thanks=
=A0</div><div><br></div>Vipul Borikar <br><div>&quot;Our task must be to fr=
ee ourselves...by widening our circle of compassion to embrace all living c=
reatures and the whole of nature and its beauty.&quot;</div>
<br>

--f46d044787fb19360e04b43172be--


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Date: Fri, 16 Dec 2011 14:02:47 +0530
Message-ID: <CAH5sEp8N_BdLNyWqr5dVoL0Vq-XdHsQcScd5cWSbTLFX8+hfsQ@mail.gmail.com>
From: vipul borikar <vipulcell@gmail.com>
To: Florian Heigl <florian.heigl@gmail.com>
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] Ubuntu 11.04 shutdown Problem
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Again the Ubuntu VM got shutdown automatically..

I am now attaching "xm demsg "  output. I did'nt find anything in that..

On Thu, Dec 15, 2011 at 10:14 AM, vipul borikar <vipulcell@gmail.com> wrote:

> Thanks for the Guidance...
> I will check out for the 5.7 dependencies.
> I didn't face that issue for some time now.. lets see
>
> Thanks again..
>
>
> On Wed, Dec 14, 2011 at 7:48 PM, Florian Heigl <florian.heigl@gmail.com>wrote:
>
>> 2011/12/12 vipul borikar <vipulcell@gmail.com>:
>> > Ok . Thanks for the Update...
>> > Can i try 5.7 Xen RPMS on 5.5 OS.. cause it will be tough for me to
>> upgrade
>> > the OS 5.5 to 5.7.
>>
>> I think so.
>> I don't know all the depends.
>> For the 5.7 xen dom0 kernel, you will have to install 5.7's e4fsprogs
>> and e4fsprogs-libs
>> Xen is one more package that has no extra dependencies according to my
>> knowledge.
>>
>> If you are under RHEL support, check back with them first. So you know
>> if they'll still support the config with newer kernel + Xen.
>> Considering the many bugs they had in older versions, they probably will
>> :)
>>
>> --
>> the purpose of libvirt is to provide an abstraction layer hiding all
>> xen features added since 2006 until they were finally understood and
>> copied by the kvm devs.
>>
>
>
>
> --
> Thanks
>
> Vipul Borikar
> "Our task must be to free ourselves...by widening our circle of compassion
> to embrace all living creatures and the whole of nature and its beauty."
>
>


-- 
Thanks

Vipul Borikar
"Our task must be to free ourselves...by widening our circle of compassion
to embrace all living creatures and the whole of nature and its beauty."

--f46d044787fb19360e04b43172be
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

Again the Ubuntu VM got shutdown automatically..<br><br>I am now attaching =
&quot;xm demsg &quot;=A0 output. I did&#39;nt find anything in that..<br><b=
r><div class=3D"gmail_quote">On Thu, Dec 15, 2011 at 10:14 AM, vipul borika=
r <span dir=3D"ltr">&lt;<a href=3D"mailto:vipulcell@gmail.com">vipulcell@gm=
ail.com</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">Thanks for the Guidance...<br>I will check o=
ut for the 5.7 dependencies.<br>I didn&#39;t face that issue for some time =
now.. lets see<br>
<br>Thanks again..<div class=3D"HOEnZb"><div class=3D"h5"><br><br><div clas=
s=3D"gmail_quote">On Wed, Dec 14, 2011 at 7:48 PM, Florian Heigl <span dir=
=3D"ltr">&lt;<a href=3D"mailto:florian.heigl@gmail.com" target=3D"_blank">f=
lorian.heigl@gmail.com</a>&gt;</span> wrote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0pt 0pt 0pt 0.8ex;border-=
left:1px solid rgb(204,204,204);padding-left:1ex">2011/12/12 vipul borikar =
&lt;<a href=3D"mailto:vipulcell@gmail.com" target=3D"_blank">vipulcell@gmai=
l.com</a>&gt;:<br>

<div>&gt; Ok . Thanks for the Update...<br>
&gt; Can i try 5.7 Xen RPMS on 5.5 OS.. cause it will be tough for me to up=
grade<br>
&gt; the OS 5.5 to 5.7.<br>
<br>
</div>I think so.<br>
I don&#39;t know all the depends.<br>
For the 5.7 xen dom0 kernel, you will have to install 5.7&#39;s e4fsprogs<b=
r>
and e4fsprogs-libs<br>
Xen is one more package that has no extra dependencies according to my<br>
knowledge.<br>
<br>
If you are under RHEL support, check back with them first. So you know<br>
if they&#39;ll still support the config with newer kernel + Xen.<br>
Considering the many bugs they had in older versions, they probably will :)=
<br>
<span><font color=3D"#888888"><br>
--<br>
the purpose of libvirt is to provide an abstraction layer hiding all<br>
xen features added since 2006 until they were finally understood and<br>
copied by the kvm devs.<br>
</font></span></blockquote></div><br><br clear=3D"all"><br></div></div><div=
 class=3D"HOEnZb"><div class=3D"h5">-- <br><div>Thanks=A0</div><div><br></d=
iv>Vipul Borikar <br><div>&quot;Our task must be to free ourselves...by wid=
ening our circle of compassion to embrace all living creatures and the whol=
e of nature and its beauty.&quot;</div>

<br>
</div></div></blockquote></div><br><br clear=3D"all"><br>-- <br><div>Thanks=
=A0</div><div><br></div>Vipul Borikar <br><div>&quot;Our task must be to fr=
ee ourselves...by widening our circle of compassion to embrace all living c=
reatures and the whole of nature and its beauty.&quot;</div>
<br>

--f46d044787fb19360e04b43172be--


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From: svenvan svenvan <svenvan.van@gmail.com>
To: xen-users@lists.xensource.com
Subject: [Xen-users] SysRq over serial console, anyone?
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Hi,
Anyone was able to invoke sysrq over serial console for dom0?

my grub configuration:

title           Xen 4.0.1 / Debian GNU/Linux, kernel 2.6.32.47
root            (hd0,0)
kernel          /boot/xen-4.0.1.gz dom0_mem=1024M loglvl=all
guest_loglvl=all com1=38400,8n1 console=com1
module          /boot/vmlinuz-2.6.32.47
root=UUID=5563bc26-6e98-4768-abee-5ca053e2795c ro nomodeset max_loop=255
console=hvc0 earlyprintk=xen nomodeset
module          /boot/initrd.img-2.6.32.47

tried with minicom and screen.  I can send break but then sysrq does not
work.  Maybe something related to hvc0?
Any hints would be really appreciated
Thanks

--f46d043be1e679402904b432f058
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

Hi,<br>Anyone was able to invoke sysrq over serial console for dom0?<br><br=
>my grub configuration:<br><br>title=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 Xen 4.0.=
1 / Debian GNU/Linux, kernel 2.6.32.47<br>root=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0 (hd0,0)<br>kernel=A0=A0=A0=A0=A0=A0=A0=A0=A0 /boot/xen-4.0.1.gz dom0=
_mem=3D1024M loglvl=3Dall guest_loglvl=3Dall com1=3D38400,8n1 console=3Dcom=
1<br>
module=A0=A0=A0=A0=A0=A0=A0=A0=A0 /boot/vmlinuz-2.6.32.47 root=3DUUID=3D556=
3bc26-6e98-4768-abee-5ca053e2795c ro nomodeset max_loop=3D255 console=3Dhvc=
0 earlyprintk=3Dxen nomodeset<br>module=A0=A0=A0=A0=A0=A0=A0=A0=A0 /boot/in=
itrd.img-2.6.32.47<br><br>tried with minicom and screen.=A0 I can send brea=
k but then sysrq does not work.=A0 Maybe something related to hvc0?<br>
Any hints would be really appreciated<br>Thanks<br>

--f46d043be1e679402904b432f058--


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Subject: [Xen-users] SysRq over serial console, anyone?
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Hi,
Anyone was able to invoke sysrq over serial console for dom0?

my grub configuration:

title           Xen 4.0.1 / Debian GNU/Linux, kernel 2.6.32.47
root            (hd0,0)
kernel          /boot/xen-4.0.1.gz dom0_mem=1024M loglvl=all
guest_loglvl=all com1=38400,8n1 console=com1
module          /boot/vmlinuz-2.6.32.47
root=UUID=5563bc26-6e98-4768-abee-5ca053e2795c ro nomodeset max_loop=255
console=hvc0 earlyprintk=xen nomodeset
module          /boot/initrd.img-2.6.32.47

tried with minicom and screen.  I can send break but then sysrq does not
work.  Maybe something related to hvc0?
Any hints would be really appreciated
Thanks

--f46d043be1e679402904b432f058
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

Hi,<br>Anyone was able to invoke sysrq over serial console for dom0?<br><br=
>my grub configuration:<br><br>title=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 Xen 4.0.=
1 / Debian GNU/Linux, kernel 2.6.32.47<br>root=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0 (hd0,0)<br>kernel=A0=A0=A0=A0=A0=A0=A0=A0=A0 /boot/xen-4.0.1.gz dom0=
_mem=3D1024M loglvl=3Dall guest_loglvl=3Dall com1=3D38400,8n1 console=3Dcom=
1<br>
module=A0=A0=A0=A0=A0=A0=A0=A0=A0 /boot/vmlinuz-2.6.32.47 root=3DUUID=3D556=
3bc26-6e98-4768-abee-5ca053e2795c ro nomodeset max_loop=3D255 console=3Dhvc=
0 earlyprintk=3Dxen nomodeset<br>module=A0=A0=A0=A0=A0=A0=A0=A0=A0 /boot/in=
itrd.img-2.6.32.47<br><br>tried with minicom and screen.=A0 I can send brea=
k but then sysrq does not work.=A0 Maybe something related to hvc0?<br>
Any hints would be really appreciated<br>Thanks<br>

--f46d043be1e679402904b432f058--


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Subject: [Xen-users] Our pyxs library is now opensource
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Good day.

We (Selectel Ltd) decided to publish our internal library for accessing 
XenStore from python (pyxs) under LGPL license.

Main difference from classic xen.lowlevel.xs is nice support for 
multiple subscriptions to different keys in xenstore and overall 
'pythonic' way do do some staff. F.e. instead x.read('path') you can use 
just x['path'], instead x.write('','path',value) x['path']=value. But 
the main cool feature - is Monitor class to allow multiple subscription.

It written purely on python without C dependences.

Repository: https://github.com/selectel/pyxs

Any comments and bugreports appreciated.

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Good day.

We (Selectel Ltd) decided to publish our internal library for accessing 
XenStore from python (pyxs) under LGPL license.

Main difference from classic xen.lowlevel.xs is nice support for 
multiple subscriptions to different keys in xenstore and overall 
'pythonic' way do do some staff. F.e. instead x.read('path') you can use 
just x['path'], instead x.write('','path',value) x['path']=value. But 
the main cool feature - is Monitor class to allow multiple subscription.

It written purely on python without C dependences.

Repository: https://github.com/selectel/pyxs

Any comments and bugreports appreciated.

_______________________________________________
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Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Subject: [Xen-users] Xen dom0 crash log
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I know that this list (maybe) doesn't cover it, but i am having some
random crashes with XenServer (5.6SP2 - Xen 3.4.2  and 6.0 - Xen
4.1.1).
All i have is this crash.log from a 5.6SP2 version. Version 6.0
doesn't generate that.
Kdump doesn't work with 5.6SP2 neither 6.0. It segfaults when trying
to dump, so i don't have a vmcore.
I have tried XenServer 6 to see if it was some bug related to Xen 3.4,
but it isn't.

Does anyone have an idea what could be happening based on this log below?

http://cpro3845.publiccloud.com.br/crash.log

I can provide more details if needed.

Thanks.

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Subject: [Xen-users] Xen dom0 crash log
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I know that this list (maybe) doesn't cover it, but i am having some
random crashes with XenServer (5.6SP2 - Xen 3.4.2  and 6.0 - Xen
4.1.1).
All i have is this crash.log from a 5.6SP2 version. Version 6.0
doesn't generate that.
Kdump doesn't work with 5.6SP2 neither 6.0. It segfaults when trying
to dump, so i don't have a vmcore.
I have tried XenServer 6 to see if it was some bug related to Xen 3.4,
but it isn't.

Does anyone have an idea what could be happening based on this log below?

http://cpro3845.publiccloud.com.br/crash.log

I can provide more details if needed.

Thanks.

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>>> On 14.12.11 at 01:42, jim burns <jim_burn@bellsouth.net> wrote:
> On Tue December 13 2011, 2:48:14 PM, Mark Pryor wrote:
>> Move to x86_64 and you will have a complete dom0 upgrade. Its true that
>> i586 is not supporting a full dom0.
> 
> Not possible - it's a 32 bit system.
> 
> I suppose I could download the xen .src.rpm, and recompile it, assuming they 
> haven't disabled i586 for some reason. I just want to know if it's 
> supported, or suse ran into a snag getting it to work for i586.

It's not supported, but it's being evaluated to re-add the 32-bit
hypervisor (which got dropped largely because the same source tree
gets used for SLE11 SP2, where the dropping of support for it implies
the removal of the package). See bug 732424.

> Anyone know if they will eventually support it?

No, I do not expect it to get considered supported again. You'll be
left on your own in dealing with eventual problems (which doesn't
exclude us merging fixes that get provided or pointed out), as stated
in comment 15 of aforementioned bug.

Jan


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>>> On 14.12.11 at 01:42, jim burns <jim_burn@bellsouth.net> wrote:
> On Tue December 13 2011, 2:48:14 PM, Mark Pryor wrote:
>> Move to x86_64 and you will have a complete dom0 upgrade. Its true that
>> i586 is not supporting a full dom0.
> 
> Not possible - it's a 32 bit system.
> 
> I suppose I could download the xen .src.rpm, and recompile it, assuming they 
> haven't disabled i586 for some reason. I just want to know if it's 
> supported, or suse ran into a snag getting it to work for i586.

It's not supported, but it's being evaluated to re-add the 32-bit
hypervisor (which got dropped largely because the same source tree
gets used for SLE11 SP2, where the dropping of support for it implies
the removal of the package). See bug 732424.

> Anyone know if they will eventually support it?

No, I do not expect it to get considered supported again. You'll be
left on your own in dealing with eventual problems (which doesn't
exclude us merging fixes that get provided or pointed out), as stated
in comment 15 of aforementioned bug.

Jan


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> -----Original Message-----
> From: xen-api-bounces@lists.xensource.com [mailto:xen-api-
> bounces@lists.xensource.com] On Behalf Of Mike McClurg
> Sent: Wednesday, December 14, 2011 9:29 AM
> To: Pasi K=E4rkk=E4inen
> Cc: Enzo Lombardi; xen-users@lists.xensource.com;
xen-api@lists.xensource.com
> Subject: Re: [Xen-API] [Xen-users] New name for Kronos? [was XCP 1.5
> availability]
>
> On 11/12/11 19:06, Pasi K=E4rkk=E4inen wrote:
> > Hey,
> >
> > I think we should use the name "XCP" only for the appliance,
> > and maybe just "XAPI toolstack" for the packages in Debian/Ubuntu?
> >
> > Does that make sense? Some people are getting confused about what XCP
is..
> >
>
> I think that does make sense, Pasi. For the Debian packages, I think I'd
> like to call them the "XCP toolstack" packages. And for a Debian host
> with the XCP toolstack installed, perhaps we should just call it a
> Kronos host? I'd like the name Kronos to drop away, but it seems like
> the easiest way to differentiate the two.
>
> Does anyone else have any suggestions?

Mike,

I would go a single step further, and suggest that you not use the term
"XCP" at all in the context of Kronos. There's already pleeenty of
confusion about exactly what is what. Right now, XCP means one thing, and
I would implore you to keep it that way.

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> -----Original Message-----
> From: xen-api-bounces@lists.xensource.com [mailto:xen-api-
> bounces@lists.xensource.com] On Behalf Of Mike McClurg
> Sent: Wednesday, December 14, 2011 9:29 AM
> To: Pasi K=E4rkk=E4inen
> Cc: Enzo Lombardi; xen-users@lists.xensource.com;
xen-api@lists.xensource.com
> Subject: Re: [Xen-API] [Xen-users] New name for Kronos? [was XCP 1.5
> availability]
>
> On 11/12/11 19:06, Pasi K=E4rkk=E4inen wrote:
> > Hey,
> >
> > I think we should use the name "XCP" only for the appliance,
> > and maybe just "XAPI toolstack" for the packages in Debian/Ubuntu?
> >
> > Does that make sense? Some people are getting confused about what XCP
is..
> >
>
> I think that does make sense, Pasi. For the Debian packages, I think I'd
> like to call them the "XCP toolstack" packages. And for a Debian host
> with the XCP toolstack installed, perhaps we should just call it a
> Kronos host? I'd like the name Kronos to drop away, but it seems like
> the easiest way to differentiate the two.
>
> Does anyone else have any suggestions?

Mike,

I would go a single step further, and suggest that you not use the term
"XCP" at all in the context of Kronos. There's already pleeenty of
confusion about exactly what is what. Right now, XCP means one thing, and
I would implore you to keep it that way.

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Subject: Re: [Xen-users] openSUSE 12.1 does not have complete xen rpms
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>>> On 14.12.11 at 21:59, jim burns <jim_burn@bellsouth.net> wrote:
> Nowhere in these threads is it mentioned the technical reasons why 32 bit 
> support has been dropped. In fact, one poster in the discussion mentions a 
> lack of knowledge of any other distro that supports 32 bit xen. I can confirm 
> that fedora 16 still has the i686 rpms. I'm going to assume that suse is just 
> trying to lighten the support load for a package that probably isn't getting 
> a lot of use on 32 bit.

That's a correct assumption, albeit the entire dropping (rather than just
considering unsupported) of the 32-bit hypervisor was not fully intended,
but rather a consequence of code sharing with SLE11 SP2.

> But since 32 bit is all I've got on my suse machine, I went ahead and 
> downloaded the .src.rpm for xen from the 12.1 repo, and recompiled it with 
> minimal alterations to the .spec file controlling the compile and install. 
> They indeed disable support for dom0, and a link at the end of the %prep 
> section is needed to find the kernel-xen .config file. It compiled and 
> installed fine. I'll reboot, and if I have any problems, I will do a follow 
> up post.

The 32-bit kernel-xen, other than SLE11 SP2's, is still Dom0 capable
(more with the aim of allowing its use on a 64-bit hypervisor, though).

Jan




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>>> On 14.12.11 at 21:59, jim burns <jim_burn@bellsouth.net> wrote:
> Nowhere in these threads is it mentioned the technical reasons why 32 bit 
> support has been dropped. In fact, one poster in the discussion mentions a 
> lack of knowledge of any other distro that supports 32 bit xen. I can confirm 
> that fedora 16 still has the i686 rpms. I'm going to assume that suse is just 
> trying to lighten the support load for a package that probably isn't getting 
> a lot of use on 32 bit.

That's a correct assumption, albeit the entire dropping (rather than just
considering unsupported) of the 32-bit hypervisor was not fully intended,
but rather a consequence of code sharing with SLE11 SP2.

> But since 32 bit is all I've got on my suse machine, I went ahead and 
> downloaded the .src.rpm for xen from the 12.1 repo, and recompiled it with 
> minimal alterations to the .spec file controlling the compile and install. 
> They indeed disable support for dom0, and a link at the end of the %prep 
> section is needed to find the kernel-xen .config file. It compiled and 
> installed fine. I'll reboot, and if I have any problems, I will do a follow 
> up post.

The 32-bit kernel-xen, other than SLE11 SP2's, is still Dom0 capable
(more with the aim of allowing its use on a 64-bit hypervisor, though).

Jan




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From: "Schneider, Bjoern /tesa scribos GmbH HDB" <Bjoern.Schneider@tesa.com>
To: "xen-users@lists.xensource.com" <xen-users@lists.xensource.com>
Date: Thu, 15 Dec 2011 21:13:10 +0100
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Hi,

recently I've migrated our fileserver VM to a new hardware. Previously usin=
g the slow Qemu-emulation (due to some issues with an older GPLPV version),=
 I decided to install the newest one. It worked fine, until about 3 days la=
ter: the whole system came to an halt, because critical kernel services cou=
ldn't allocate any more unpaged memory. After destroy/create it worked agai=
n - about two days. So to keep it usable, I reboot the VM every other day.

I've monitored the "unpaged memory pool" of the Windows kernel. Luckily eve=
ry allocation needs an "tag" to be clearly identified, so finding the respo=
nsible driver was quite easy: tcpip.sys (tag: "tcDN")

Now, that's a pretty basic service which usually never causes any trouble. =
Strangely, it continuously allocated memory from the aforementioned pool bu=
t never frees it, until the pool's exhausted and kernel service after servi=
ce fails until only the mouse movement keeps functioning.

So I suspected some misconfiguration of the network. As the only thing I've=
 changed there was using the XenNet driver and I've read something about is=
sues with checksum offloading, I've tried various settings. Without avail.

Finally, I've deactivated the GPLPV drivers using the "NOGPLPV" kernel argu=
ment - since then it runs with the Qemu-devices again and the pool, or tcp/=
ip-driver, behaves normally until now.

Has anyone experienced something like this? - Unfortunately I've found noth=
ing on the 'net regarding this issue. Only some pages which address debuggi=
ng/analyzing self-programmed drivers regarding memory leaks.

My setup is as follows:

Hardware:
        Dual-Xeon E5620 Quad-Core
        24 GByte RAM
        LSI RAID controller with about 6TByte storage
        Intel 82567LM-2 and 82574L Ethernet

Xen:
        Xen 4.1.1 (vanilla, self-compiled)

Dom0:
        Ubuntu 10.04LTS
        Vanilla, self-compiled 3.0.4 PV-OPS Linux kernel
        self-compiled DRBD 8.3.11 kernel module & utilities
        all VM storage backends on DRBD, stacked upon LVM

DomU:
        Windows Server 2008 Standard (32bit)
        4 Cores (exclusive)
        4 GByte RAM
        GPLPV: gplpv_Vista2008x32_0.11.0.308.msi
        1 Ethernet device, bridged with physical


I'd be happy for any suggestion. If there's any information you need not in=
cluded above, feel free to ask. I want my 90MByte/s network bandwidth back.=
 ;)

Kind regards / Mit freundlichen Gr=FC=DFen
Bj=F6rn Schneider, MSc.
IT-Administration

--
tesa scribos GmbH
Sickingenstr. 65
69126 Heidelberg

Tel.: +49 6221 33507 - 47
Fax:  +49 6221 33507 - 11
Email: Bjoern.Schneider@tesa.com
Internet: www.tesa-scribos.de



tesa scribos GmbH, Heidelberg. Gesch=E4ftsf=FChrer: Dr. Christoph Dietrich =
(Vorsitzender), Peter Kuich, Dr. Steffen Noehte; Registergericht Heidelberg=
, HRB 337200.
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Date: Thu, 15 Dec 2011 21:13:10 +0100
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Hi,

recently I've migrated our fileserver VM to a new hardware. Previously usin=
g the slow Qemu-emulation (due to some issues with an older GPLPV version),=
 I decided to install the newest one. It worked fine, until about 3 days la=
ter: the whole system came to an halt, because critical kernel services cou=
ldn't allocate any more unpaged memory. After destroy/create it worked agai=
n - about two days. So to keep it usable, I reboot the VM every other day.

I've monitored the "unpaged memory pool" of the Windows kernel. Luckily eve=
ry allocation needs an "tag" to be clearly identified, so finding the respo=
nsible driver was quite easy: tcpip.sys (tag: "tcDN")

Now, that's a pretty basic service which usually never causes any trouble. =
Strangely, it continuously allocated memory from the aforementioned pool bu=
t never frees it, until the pool's exhausted and kernel service after servi=
ce fails until only the mouse movement keeps functioning.

So I suspected some misconfiguration of the network. As the only thing I've=
 changed there was using the XenNet driver and I've read something about is=
sues with checksum offloading, I've tried various settings. Without avail.

Finally, I've deactivated the GPLPV drivers using the "NOGPLPV" kernel argu=
ment - since then it runs with the Qemu-devices again and the pool, or tcp/=
ip-driver, behaves normally until now.

Has anyone experienced something like this? - Unfortunately I've found noth=
ing on the 'net regarding this issue. Only some pages which address debuggi=
ng/analyzing self-programmed drivers regarding memory leaks.

My setup is as follows:

Hardware:
        Dual-Xeon E5620 Quad-Core
        24 GByte RAM
        LSI RAID controller with about 6TByte storage
        Intel 82567LM-2 and 82574L Ethernet

Xen:
        Xen 4.1.1 (vanilla, self-compiled)

Dom0:
        Ubuntu 10.04LTS
        Vanilla, self-compiled 3.0.4 PV-OPS Linux kernel
        self-compiled DRBD 8.3.11 kernel module & utilities
        all VM storage backends on DRBD, stacked upon LVM

DomU:
        Windows Server 2008 Standard (32bit)
        4 Cores (exclusive)
        4 GByte RAM
        GPLPV: gplpv_Vista2008x32_0.11.0.308.msi
        1 Ethernet device, bridged with physical


I'd be happy for any suggestion. If there's any information you need not in=
cluded above, feel free to ask. I want my 90MByte/s network bandwidth back.=
 ;)

Kind regards / Mit freundlichen Gr=FC=DFen
Bj=F6rn Schneider, MSc.
IT-Administration

--
tesa scribos GmbH
Sickingenstr. 65
69126 Heidelberg

Tel.: +49 6221 33507 - 47
Fax:  +49 6221 33507 - 11
Email: Bjoern.Schneider@tesa.com
Internet: www.tesa-scribos.de



tesa scribos GmbH, Heidelberg. Gesch=E4ftsf=FChrer: Dr. Christoph Dietrich =
(Vorsitzender), Peter Kuich, Dr. Steffen Noehte; Registergericht Heidelberg=
, HRB 337200.
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From: Todd Deshane <todd.deshane@xen.org>
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Subject: Re: [Xen-users] [Xen-API] New name for Kronos? [was XCP 1.5
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At the end of the day XCP, whether in the form of a pre-packaged
appliance distribution or installed on top of a standard Linux
distribution, is more than just Xen + XAPI. It's Xen + XAPI + xe +
Open vSwitch + (anything else needed to make it a great platform). So,
I tend to agree with Wawrzek in that there should be a meta package (a
package that has nothing in it, but depends on everything that should
be installed) called xcp-full (or xcp-system or whatever we decide).

The compromise that the packages are xcp-*, such as xcp-xapi seems OK,
since that is where they came from, but in the long run we need to
think clearly about version compatibility between xcp-xapi and any
other packaged versions of xapi that are being developed (not to imply
that xapi should be fragmented, see below). We really want to avoid
the XenCenter version mismatch issues in the future, especially when
xapi-based systems are being managed by a lot of different interfaces
OpenXenManager, OpenStack, Cloudstack, Zentific, to name a few.

Project Kronos (and that is all it should be - a project code name),
represents a great opportunity for the Xen community and I know that a
lot of people are excited about its future. There are some open
questions, but I think it is likely they will just work themselves out
just like any other open source project.

I think the use cases for xcp-full installed on a Xen dom0 via a
package install on a normal Linux distribution are clear and the
trade-offs have been discussed in some detail [1][2]. The great thing
about having the multiple different choices is one of the really great
thing about Xen. It is also perfectly reasonable for someone to build
an XCP distribution appliance based on Ubuntu or Debian or any other
distro (Citrix may even decide to use a different distro for the basis
of XenServer).

In practice, the xapi package should be the most cutting-edge version
of the API available, followed by xcp-xapi, which in practice will be
(at least currently is) the same as the XAPI version in XenServer.
Cutting-edge does not need to mean unstable, in fact I think it is
understood that regular stable versions of xapi will be available and
get integrated into XCP/XAPI-based distributions (like XCP and
XenServer) as the maintainers of those projects/products see fit.

As long as xapi remains unified, there is no fragmentation. When
working with a custom XCP, XCP itself, or XenServer the question will
be what version of XAPI is available? This will determine the feature
set available underneath. This is the way management tools like
XenCenter, CloudStack etc. *should* work. We need to move away from
relying on a specific version of XCP, XenServer, etc. and instead rely
on specific feature sets or versions of xapi itself.

I propose that at some point over the course of this year (after an
official release of Project Kronos is out the door) that we have a
XAPI/XCP hackathon. We can invite XAPI/XCP devs to it and also have a
devops-based track that proposes projects based on custom XCP(-full)
setups that may or may not need explicit help from XAPI itself. I
invite you to start brainstorming ideas, but while you do that check
out the great material that came out of the Xen Day [3] last week.
This material will inspire you to want to hack on xapi, or write
scripts for it, or create your own HA/FT solution based on DRDB and
pacemaker.

The momentum around XAPI/XCP is ours to take into the future of the
data center and the cloud. Go forth and use XCP or xcp-xapi, or choose
to get support from a vendor like Citrix and run XenServer.

...What are you going to build today?

[1] http://www.slideshare.net/deshantm/project-kronos-openstackdesignsummit
[2] http://www.slideshare.net/deshantm/why-choose-xen-for-your-cloud
[3] http://xen.org/community/xenday11.html

_______________________________________________
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From: Todd Deshane <todd.deshane@xen.org>
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Cc: Mike McClurg <mike.mcclurg@citrix.com>
Subject: Re: [Xen-users] [Xen-API] New name for Kronos? [was XCP 1.5
	availability]
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At the end of the day XCP, whether in the form of a pre-packaged
appliance distribution or installed on top of a standard Linux
distribution, is more than just Xen + XAPI. It's Xen + XAPI + xe +
Open vSwitch + (anything else needed to make it a great platform). So,
I tend to agree with Wawrzek in that there should be a meta package (a
package that has nothing in it, but depends on everything that should
be installed) called xcp-full (or xcp-system or whatever we decide).

The compromise that the packages are xcp-*, such as xcp-xapi seems OK,
since that is where they came from, but in the long run we need to
think clearly about version compatibility between xcp-xapi and any
other packaged versions of xapi that are being developed (not to imply
that xapi should be fragmented, see below). We really want to avoid
the XenCenter version mismatch issues in the future, especially when
xapi-based systems are being managed by a lot of different interfaces
OpenXenManager, OpenStack, Cloudstack, Zentific, to name a few.

Project Kronos (and that is all it should be - a project code name),
represents a great opportunity for the Xen community and I know that a
lot of people are excited about its future. There are some open
questions, but I think it is likely they will just work themselves out
just like any other open source project.

I think the use cases for xcp-full installed on a Xen dom0 via a
package install on a normal Linux distribution are clear and the
trade-offs have been discussed in some detail [1][2]. The great thing
about having the multiple different choices is one of the really great
thing about Xen. It is also perfectly reasonable for someone to build
an XCP distribution appliance based on Ubuntu or Debian or any other
distro (Citrix may even decide to use a different distro for the basis
of XenServer).

In practice, the xapi package should be the most cutting-edge version
of the API available, followed by xcp-xapi, which in practice will be
(at least currently is) the same as the XAPI version in XenServer.
Cutting-edge does not need to mean unstable, in fact I think it is
understood that regular stable versions of xapi will be available and
get integrated into XCP/XAPI-based distributions (like XCP and
XenServer) as the maintainers of those projects/products see fit.

As long as xapi remains unified, there is no fragmentation. When
working with a custom XCP, XCP itself, or XenServer the question will
be what version of XAPI is available? This will determine the feature
set available underneath. This is the way management tools like
XenCenter, CloudStack etc. *should* work. We need to move away from
relying on a specific version of XCP, XenServer, etc. and instead rely
on specific feature sets or versions of xapi itself.

I propose that at some point over the course of this year (after an
official release of Project Kronos is out the door) that we have a
XAPI/XCP hackathon. We can invite XAPI/XCP devs to it and also have a
devops-based track that proposes projects based on custom XCP(-full)
setups that may or may not need explicit help from XAPI itself. I
invite you to start brainstorming ideas, but while you do that check
out the great material that came out of the Xen Day [3] last week.
This material will inspire you to want to hack on xapi, or write
scripts for it, or create your own HA/FT solution based on DRDB and
pacemaker.

The momentum around XAPI/XCP is ours to take into the future of the
data center and the cloud. Go forth and use XCP or xcp-xapi, or choose
to get support from a vendor like Citrix and run XenServer.

...What are you going to build today?

[1] http://www.slideshare.net/deshantm/project-kronos-openstackdesignsummit
[2] http://www.slideshare.net/deshantm/why-choose-xen-for-your-cloud
[3] http://xen.org/community/xenday11.html

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Subject: [Xen-users] Make generic 686 CPU flags be compatible with 64 bit
	mode
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Hello guys=2C

I have already managed to do live migration between two 64 bit architecture=
s and Xen 4.1.1:
1: Intel(R) Core(TM)2 CPU2: AMD Athlon(tm) Processor TF-20

Done by putting in the DomU config file these flags from the xmexample.hvm:

cpuid=3D['0:eax=3D0x3=2Cebx=3D0x0=2Cecx=3D0x0=2Cedx=3D0x0'=2C
           '1:eax=3D0x06b1=2C
               ecx=3Dxxxxxxxxxxx0000xx00xxx0000000xx0=2C
               edx=3Dxxx00000xxxxxxx0xxxxxxxxx0xxxxxx'=2C
           '4:eax=3D0x3=2Cebx=3D0x0=2Cecx=3D0x0=2Cedx=3D0x0'=2C
'0x80000000:eax=3D0x3=2Cebx=3D0x0=2Cecx=3D0x0=2Cedx=3D0x0']

That is to downgrade the CPUID to make a better compatibility for migration=
 as a generic 686 architecture=2C=20
so any 64 bit operating system won't start.  Does anyone know how to mask o=
r modify those flags in order=20
to make them compatible with 64 bit mode? I need to run Windows Server 2008=
 64 bits as DomU.

That is the only feature I need.

Thanks a lot!

Tony.
 		 	   		  =

--_e8372e28-648d-406e-bc1c-9478f27db750_
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<html>
<head>
<style><!--
.hmmessage P
{
margin:0px=3B
padding:0px
}
body.hmmessage
{
font-size: 10pt=3B
font-family:Tahoma
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--></style></head>
<body class=3D'hmmessage'><div dir=3D'ltr'>
Hello guys=2C<br><br>I have already managed to do live migration between tw=
o 64 bit architectures and Xen 4.1.1:<br><div><font class=3D"Apple-style-sp=
an" size=3D"2" face=3D"Tahoma"><span>1: <span class=3D"bold highlight searc=
h-highlight">Intel</span>(R) Core(TM)2 CPU</span></font></div><div><font cl=
ass=3D"Apple-style-span" size=3D"2" face=3D"Tahoma"><span>2:&nbsp=3B</span>=
</font><span class=3D"Apple-style-span" style=3D"font-family: Calibri=2C sa=
ns-serif=3B font-size: 15px=3B line-height: 17px=3B "><span><span class=3D"=
bold highlight search-highlight">AMD</span> Athlon(tm) Processor TF-20<br><=
br>Done by putting in the DomU config file these flags from the xmexample.h=
vm:<br><br></span></span></div>cpuid=3D['0:eax=3D0x3=2Cebx=3D0x0=2Cecx=3D0x=
0=2Cedx=3D0x0'=2C<br>&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=
=3B&nbsp=3B&nbsp=3B&nbsp=3B '1:eax=3D0x06b1=2C<br>&nbsp=3B&nbsp=3B&nbsp=3B&=
nbsp=3B &nbsp=3B &nbsp=3B &nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B ecx=3Dxx=
xxxxxxxxx0000xx00xxx0000000xx0=2C<br>&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B &nbsp=
=3B &nbsp=3B &nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B edx=3Dxxx00000xxxxxxx=
0xxxxxxxxx0xxxxxx'=2C<br>&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&n=
bsp=3B&nbsp=3B&nbsp=3B&nbsp=3B '4:eax=3D0x3=2Cebx=3D0x0=2Cecx=3D0x0=2Cedx=
=3D0x0'=2C<br>'0x80000000:eax=3D0x3=2Cebx=3D0x0=2Cecx=3D0x0=2Cedx=3D0x0']<b=
r><br>That is to downgrade the CPUID to make a better compatibility for mig=
ration as a generic 686 architecture=2C <br>so any 64 bit operating system =
won't start.&nbsp=3B Does anyone know how to mask or modify those flags in =
order <br>to make them compatible with 64 bit mode? I need to run Windows S=
erver 2008 64 bits as DomU.<br><br>That is the only feature I need.<br><br>=
Thanks a lot!<br><br>Tony.<br> 		 	   		  </div></body>
</html>=

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Subject: [Xen-users] Make generic 686 CPU flags be compatible with 64 bit
	mode
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Hello guys=2C

I have already managed to do live migration between two 64 bit architecture=
s and Xen 4.1.1:
1: Intel(R) Core(TM)2 CPU2: AMD Athlon(tm) Processor TF-20

Done by putting in the DomU config file these flags from the xmexample.hvm:

cpuid=3D['0:eax=3D0x3=2Cebx=3D0x0=2Cecx=3D0x0=2Cedx=3D0x0'=2C
           '1:eax=3D0x06b1=2C
               ecx=3Dxxxxxxxxxxx0000xx00xxx0000000xx0=2C
               edx=3Dxxx00000xxxxxxx0xxxxxxxxx0xxxxxx'=2C
           '4:eax=3D0x3=2Cebx=3D0x0=2Cecx=3D0x0=2Cedx=3D0x0'=2C
'0x80000000:eax=3D0x3=2Cebx=3D0x0=2Cecx=3D0x0=2Cedx=3D0x0']

That is to downgrade the CPUID to make a better compatibility for migration=
 as a generic 686 architecture=2C=20
so any 64 bit operating system won't start.  Does anyone know how to mask o=
r modify those flags in order=20
to make them compatible with 64 bit mode? I need to run Windows Server 2008=
 64 bits as DomU.

That is the only feature I need.

Thanks a lot!

Tony.
 		 	   		  =

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<body class=3D'hmmessage'><div dir=3D'ltr'>
Hello guys=2C<br><br>I have already managed to do live migration between tw=
o 64 bit architectures and Xen 4.1.1:<br><div><font class=3D"Apple-style-sp=
an" size=3D"2" face=3D"Tahoma"><span>1: <span class=3D"bold highlight searc=
h-highlight">Intel</span>(R) Core(TM)2 CPU</span></font></div><div><font cl=
ass=3D"Apple-style-span" size=3D"2" face=3D"Tahoma"><span>2:&nbsp=3B</span>=
</font><span class=3D"Apple-style-span" style=3D"font-family: Calibri=2C sa=
ns-serif=3B font-size: 15px=3B line-height: 17px=3B "><span><span class=3D"=
bold highlight search-highlight">AMD</span> Athlon(tm) Processor TF-20<br><=
br>Done by putting in the DomU config file these flags from the xmexample.h=
vm:<br><br></span></span></div>cpuid=3D['0:eax=3D0x3=2Cebx=3D0x0=2Cecx=3D0x=
0=2Cedx=3D0x0'=2C<br>&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=
=3B&nbsp=3B&nbsp=3B&nbsp=3B '1:eax=3D0x06b1=2C<br>&nbsp=3B&nbsp=3B&nbsp=3B&=
nbsp=3B &nbsp=3B &nbsp=3B &nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B ecx=3Dxx=
xxxxxxxxx0000xx00xxx0000000xx0=2C<br>&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B &nbsp=
=3B &nbsp=3B &nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B edx=3Dxxx00000xxxxxxx=
0xxxxxxxxx0xxxxxx'=2C<br>&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&nbsp=3B&n=
bsp=3B&nbsp=3B&nbsp=3B&nbsp=3B '4:eax=3D0x3=2Cebx=3D0x0=2Cecx=3D0x0=2Cedx=
=3D0x0'=2C<br>'0x80000000:eax=3D0x3=2Cebx=3D0x0=2Cecx=3D0x0=2Cedx=3D0x0']<b=
r><br>That is to downgrade the CPUID to make a better compatibility for mig=
ration as a generic 686 architecture=2C <br>so any 64 bit operating system =
won't start.&nbsp=3B Does anyone know how to mask or modify those flags in =
order <br>to make them compatible with 64 bit mode? I need to run Windows S=
erver 2008 64 bits as DomU.<br><br>That is the only feature I need.<br><br>=
Thanks a lot!<br><br>Tony.<br> 		 	   		  </div></body>
</html>=

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From xen-users-bounces@lists.xensource.com Sat Dec 17 09:47:24 2011
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Subject: Re: [Xen-users] using maxmem
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Made some tests to illustrate what I said in my previous mail.
I counting time to reach the splash screen of windows installer using 
different value of maxmem (nothing else changed):

- no maxmem / mem= 2048
33 sec.

- maxmem=2048 / mem =2048
33 sec

- maxmem=4096 / mem =2048
1 min 57 sec

- maxme=8192 / mem =2048
4 min 32 sec

nobody has a clue?

Le 15/12/2011 17:17, Alexandre Chapellon a écrit :
> Hi,
>
> I am using xen 4.0.1 from debian Squeeze repositories and dom0 has 
> kernel 2.6.32-5-xen-amd64(also stock debian).
> I wanted to set a high value to maxmem in my xmdomain.cfg vm config 
> files so that I can increase memory as needed without rebooting.
> Unfortunately as soon as I set this paramater I see really wiered things.
> For example, I am trying to install a windows HVM guest. When maxmem 
> is not set, the first screen of the installer appear after less than 
> 30. If I set maxmem to 12288 (12GB, i guess), the installer screen 
> takes more than 3min30sec to splash...
> I have also tried to decrease maxmem to 8GB then 4GB (while 
> memory=2048)... but that doesn't help... Well I have to say that the 
> lower maxmem is set, the faster the VM are.
> But when set the VM are generally slow and unstable, as I did not 
> succeded to complete any installl because of guests crashing.
> Not sure if it's related but, few times ago, I had an issue while 
> doing live migration of a PV guest (migration seemed OK but VM was 
> frozen) that also had maxmem set to such a value...  I never 
> experienced livemig problem like this before...
>
> Is there any options that may be incompatible with maxmem? Or am just 
> doing bad use of maxmem?
>
> Did anybody experienced similar behaviour?
>
> Regards

-- 
<http://www.horoa.net>

Alexandre Chapellon

Ingénierie des systèmes open sources et réseaux.
Follow me on twitter: @alxgomz <http://www.twitter.com/alxgomz>


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    <font size="-1">Made some tests to illustrate what I said in my
      previous mail.<br>
      I counting time to reach the splash screen of windows installer
      using different value of maxmem (nothing else changed):<br>
      <br>
      - no maxmem / mem= 2048<br>
    </font><small>33 sec.<br>
      <br>
      - maxmem=2048 / mem =2048<br>
      33 sec<br>
      <br>
      - maxmem=4096 </small><small> / mem =2048<br>
      1 min 57 sec<br>
    </small><br>
    <small>- maxme=8192 / mem =2048<br>
      4 min 32 sec<br>
      <br>
      nobody has a clue?<br>
      <br>
    </small>Le 15/12/2011 17:17, Alexandre Chapellon a &eacute;crit&nbsp;:
    <blockquote cite="mid:4EEA1D9D.8060406@horoa.net" type="cite">Hi,
      <br>
      <br>
      I am using xen 4.0.1 from debian Squeeze repositories and dom0 has
      kernel 2.6.32-5-xen-amd64(also stock debian).
      <br>
      I wanted to set a high value to maxmem in my xmdomain.cfg vm
      config files so that I can increase memory as needed without
      rebooting.
      <br>
      Unfortunately as soon as I set this paramater I see really wiered
      things.
      <br>
      For example, I am trying to install a windows HVM guest. When
      maxmem is not set, the first screen of the installer appear after
      less than 30. If I set maxmem to 12288 (12GB, i guess), the
      installer screen takes more than 3min30sec to splash...
      <br>
      I have also tried to decrease maxmem to 8GB then 4GB (while
      memory=2048)... but that doesn't help... Well I have to say that
      the lower maxmem is set, the faster the VM are.
      <br>
      But when set the VM are generally slow and unstable, as I did not
      succeded to complete any installl because of guests crashing.
      <br>
      Not sure if it's related but, few times ago, I had an issue while
      doing live migration of a PV guest (migration seemed OK but VM was
      frozen) that also had maxmem set to such a value...&nbsp; I never
      experienced livemig problem like this before...
      <br>
      <br>
      Is there any options that may be incompatible with maxmem? Or am
      just doing bad use of maxmem?
      <br>
      <br>
      Did anybody experienced similar behaviour?
      <br>
      <br>
      Regards
      <br>
    </blockquote>
    <br>
    <div class="moz-signature">-- <br>
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          color: white">Alexandre Chapellon</p>
        <p style="font-family: miso; font-size: 18px; padding-top: 0px;
          color: orange">Ing&eacute;nierie des syst&egrave;mes open sources et
          r&eacute;seaux.<br>
          Follow me on twitter: <a
            href="http://www.twitter.com/alxgomz">@alxgomz</a></p>
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From xen-users-bounces@lists.xensource.com Sat Dec 17 09:47:24 2011
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Date: Sat, 17 Dec 2011 10:45:12 +0100
From: Alexandre Chapellon <a.chapellon@horoa.net>
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Subject: Re: [Xen-users] using maxmem
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Made some tests to illustrate what I said in my previous mail.
I counting time to reach the splash screen of windows installer using 
different value of maxmem (nothing else changed):

- no maxmem / mem= 2048
33 sec.

- maxmem=2048 / mem =2048
33 sec

- maxmem=4096 / mem =2048
1 min 57 sec

- maxme=8192 / mem =2048
4 min 32 sec

nobody has a clue?

Le 15/12/2011 17:17, Alexandre Chapellon a écrit :
> Hi,
>
> I am using xen 4.0.1 from debian Squeeze repositories and dom0 has 
> kernel 2.6.32-5-xen-amd64(also stock debian).
> I wanted to set a high value to maxmem in my xmdomain.cfg vm config 
> files so that I can increase memory as needed without rebooting.
> Unfortunately as soon as I set this paramater I see really wiered things.
> For example, I am trying to install a windows HVM guest. When maxmem 
> is not set, the first screen of the installer appear after less than 
> 30. If I set maxmem to 12288 (12GB, i guess), the installer screen 
> takes more than 3min30sec to splash...
> I have also tried to decrease maxmem to 8GB then 4GB (while 
> memory=2048)... but that doesn't help... Well I have to say that the 
> lower maxmem is set, the faster the VM are.
> But when set the VM are generally slow and unstable, as I did not 
> succeded to complete any installl because of guests crashing.
> Not sure if it's related but, few times ago, I had an issue while 
> doing live migration of a PV guest (migration seemed OK but VM was 
> frozen) that also had maxmem set to such a value...  I never 
> experienced livemig problem like this before...
>
> Is there any options that may be incompatible with maxmem? Or am just 
> doing bad use of maxmem?
>
> Did anybody experienced similar behaviour?
>
> Regards

-- 
<http://www.horoa.net>

Alexandre Chapellon

Ingénierie des systèmes open sources et réseaux.
Follow me on twitter: @alxgomz <http://www.twitter.com/alxgomz>


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    <font size="-1">Made some tests to illustrate what I said in my
      previous mail.<br>
      I counting time to reach the splash screen of windows installer
      using different value of maxmem (nothing else changed):<br>
      <br>
      - no maxmem / mem= 2048<br>
    </font><small>33 sec.<br>
      <br>
      - maxmem=2048 / mem =2048<br>
      33 sec<br>
      <br>
      - maxmem=4096 </small><small> / mem =2048<br>
      1 min 57 sec<br>
    </small><br>
    <small>- maxme=8192 / mem =2048<br>
      4 min 32 sec<br>
      <br>
      nobody has a clue?<br>
      <br>
    </small>Le 15/12/2011 17:17, Alexandre Chapellon a &eacute;crit&nbsp;:
    <blockquote cite="mid:4EEA1D9D.8060406@horoa.net" type="cite">Hi,
      <br>
      <br>
      I am using xen 4.0.1 from debian Squeeze repositories and dom0 has
      kernel 2.6.32-5-xen-amd64(also stock debian).
      <br>
      I wanted to set a high value to maxmem in my xmdomain.cfg vm
      config files so that I can increase memory as needed without
      rebooting.
      <br>
      Unfortunately as soon as I set this paramater I see really wiered
      things.
      <br>
      For example, I am trying to install a windows HVM guest. When
      maxmem is not set, the first screen of the installer appear after
      less than 30. If I set maxmem to 12288 (12GB, i guess), the
      installer screen takes more than 3min30sec to splash...
      <br>
      I have also tried to decrease maxmem to 8GB then 4GB (while
      memory=2048)... but that doesn't help... Well I have to say that
      the lower maxmem is set, the faster the VM are.
      <br>
      But when set the VM are generally slow and unstable, as I did not
      succeded to complete any installl because of guests crashing.
      <br>
      Not sure if it's related but, few times ago, I had an issue while
      doing live migration of a PV guest (migration seemed OK but VM was
      frozen) that also had maxmem set to such a value...&nbsp; I never
      experienced livemig problem like this before...
      <br>
      <br>
      Is there any options that may be incompatible with maxmem? Or am
      just doing bad use of maxmem?
      <br>
      <br>
      Did anybody experienced similar behaviour?
      <br>
      <br>
      Regards
      <br>
    </blockquote>
    <br>
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          color: white">Alexandre Chapellon</p>
        <p style="font-family: miso; font-size: 18px; padding-top: 0px;
          color: orange">Ing&eacute;nierie des syst&egrave;mes open sources et
          r&eacute;seaux.<br>
          Follow me on twitter: <a
            href="http://www.twitter.com/alxgomz">@alxgomz</a></p>
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_______________________________________________
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From xen-users-bounces@lists.xensource.com Sat Dec 17 13:55:43 2011
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From: mark@internecto.net
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Subject: [Xen-users] xl and vifname
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Hello,

While using xen 4.1-testing.hg (r23202) I noticed that the 'vifname'
config value is not handled by xl, but is handled by xm. Is there a
workaround or patch for this? My firewall and scripts depend on static
vifnames.

XM works good - it adds multiple interfaces to multiple bridges and
configures them appropriately. But with xl it differs -- here only tap
devices are added to a bridge instead of the interface pairs. The tap
devices /can/ be added to multiple bridges, so that's a good start.

Example of a use case:
*  dom0 has bridge br0, br1, br2, br3.
*  the (HVM) configuration contains this vif configuration:

vif = [ 'script=vif-bridge, vifname=foo0, mac=00:16:3e:00:00:00, bridge=br0, model=e1000, type=ioemu',
        'script=vif-bridge, vifname=foo1, mac=00:16:3e:00:00:01, bridge=br1, model=e1000, type=ioemu',
        'script=vif-bridge, vifname=foo2, mac=00:16:3e:00:00:02, bridge=br2, model=e1000, type=ioemu',
        'script=vif-bridge, vifname=foo3, mac=00:16:3e:00:00:03, bridge=br3, model=e1000, type=ioemu', ]

(^note: in the past vifnames did work when an entry contained something
like 'script=vif-bridge vifname=foo0' i.e. without the comma. But this
works no longer)

* xl start creates these interfaces, ignoring vifname:
* * vif53.0, vif53.1, vif53.2, vif53.3
* * tap53.0, tap53.1, tap53.2, tap53.3

* tap53.0 - tap53.3 are added to br0 - br3 and are upped;
* vif53.0 - vif53.3 are not added to the bridge and are /not/ upped;
* the domU host does show me the correct mac addresses.

A paravirtualised linux domU shows me the same scenario.

And to reiterate: this behaviour /only/ happens when I use xl. With xm
everything works as I want it to.

Excuse me for the above line length of 105 chars, it improved
readability unless mailman or something else rewraps the lines.

Thanks for helping,
- Mark.

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From: mark@internecto.net
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Subject: [Xen-users] xl and vifname
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Hello,

While using xen 4.1-testing.hg (r23202) I noticed that the 'vifname'
config value is not handled by xl, but is handled by xm. Is there a
workaround or patch for this? My firewall and scripts depend on static
vifnames.

XM works good - it adds multiple interfaces to multiple bridges and
configures them appropriately. But with xl it differs -- here only tap
devices are added to a bridge instead of the interface pairs. The tap
devices /can/ be added to multiple bridges, so that's a good start.

Example of a use case:
*  dom0 has bridge br0, br1, br2, br3.
*  the (HVM) configuration contains this vif configuration:

vif = [ 'script=vif-bridge, vifname=foo0, mac=00:16:3e:00:00:00, bridge=br0, model=e1000, type=ioemu',
        'script=vif-bridge, vifname=foo1, mac=00:16:3e:00:00:01, bridge=br1, model=e1000, type=ioemu',
        'script=vif-bridge, vifname=foo2, mac=00:16:3e:00:00:02, bridge=br2, model=e1000, type=ioemu',
        'script=vif-bridge, vifname=foo3, mac=00:16:3e:00:00:03, bridge=br3, model=e1000, type=ioemu', ]

(^note: in the past vifnames did work when an entry contained something
like 'script=vif-bridge vifname=foo0' i.e. without the comma. But this
works no longer)

* xl start creates these interfaces, ignoring vifname:
* * vif53.0, vif53.1, vif53.2, vif53.3
* * tap53.0, tap53.1, tap53.2, tap53.3

* tap53.0 - tap53.3 are added to br0 - br3 and are upped;
* vif53.0 - vif53.3 are not added to the bridge and are /not/ upped;
* the domU host does show me the correct mac addresses.

A paravirtualised linux domU shows me the same scenario.

And to reiterate: this behaviour /only/ happens when I use xl. With xm
everything works as I want it to.

Excuse me for the above line length of 105 chars, it improved
readability unless mailman or something else rewraps the lines.

Thanks for helping,
- Mark.

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Cc: "Xen-users@lists.xensource.com" <Xen-users@lists.xensource.com>
Subject: Re: [Xen-users] using maxmem
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Le 18/12/2011 05:44, James Harper a écrit :
>> Hi,
>>
>> I am using xen 4.0.1 from debian Squeeze repositories and dom0 has kernel
>> 2.6.32-5-xen-amd64(also stock debian).
>> I wanted to set a high value to maxmem in my xmdomain.cfg vm config files
>> so that I can increase memory as needed without rebooting.
>> Unfortunately as soon as I set this paramater I see really wiered things.
>> For example, I am trying to install a windows HVM guest. When maxmem is
>> not set, the first screen of the installer appear after less than 30. If I set
>> maxmem to 12288 (12GB, i guess), the installer screen takes more than
>> 3min30sec to splash...
>> I have also tried to decrease maxmem to 8GB then 4GB (while
>> memory=2048)... but that doesn't help... Well I have to say that the lower
>> maxmem is set, the faster the VM are.
>> But when set the VM are generally slow and unstable, as I did not succeded
>> to complete any installl because of guests crashing.
>> Not sure if it's related but, few times ago, I had an issue while doing live
>> migration of a PV guest (migration seemed OK but VM was frozen) that also
>> had maxmem set to such a value...  I never experienced livemig problem like
>> this before...
>>
>> Is there any options that may be incompatible with maxmem? Or am just
>> doing bad use of maxmem?
>>
>> Did anybody experienced similar behaviour?
>>
> Okay I just read this too. For Windows HVM to work with PoD memory you'll need PV drivers installed I think so that they allocate the extra memory before Windows gets a chance to touch it. This is a bit tricky during an install but possible during actual use once you have the PV drivers loaded.
Thanks for your replies. Indeed, the need of GPLPV drivers sounds logical.
I finished installation of windows HVM and installed and activated GPLPV 
drivers (0.11.28). Even with GPLPV installed and working, HVM guest are 
really very slow as soon as i add maxmem option.

Test: startup time (to ctrl+alt+suppr prompt) of an HVM windows 2008r2 
guest:
no maxmem:  48 sec
maxmem=8192: 2 min 53 sec

>
> The way the PoD memory works (which I don't even know if 4.0.1 supports properly), is that the DomU is given "maxmem" amount of memory, but xen only populates "memory" amount of pages with actual memory.
Does this mean that total amount of maxmem on a dom0 have to be lower or 
equal to the total amount of physical RAM?
> When the DomU touches a page of memory that isn't populated, Xen find a spare page and populates it. If there aren't any spare pages because "memory" pages are already populated, Xen scans for pages which are all 0's and uses one of them, leaving a hole behind. There was a bug causing really bad performance when this happened (see previous email) but even with that fixed, as soon as DomU uses more than "memory" amount of actual pages, you are going to crash.
>
> So don't set "maxmem">  "memory" until you have PV drivers loaded.
As I said above... even with PV drivers, performances are really poor. 
Maybe it's related to my version of xen? I will try to setup a more 
recent version of Xen with a recent kernel too... if i find enough spare 
time.

> James

-- 
<http://www.horoa.net>

Alexandre Chapellon

Ingénierie des systèmes open sources et réseaux.
Follow me on twitter: @alxgomz <http://www.twitter.com/alxgomz>


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    <br>
    <br>
    Le 18/12/2011 05:44, James Harper a &eacute;crit&nbsp;:
    <blockquote
cite="mid:6035A0D088A63A46850C3988ED045A4B03B8C6@BITCOM1.int.sbss.com.au"
      type="cite">
      <blockquote type="cite">
        <pre wrap="">
Hi,

I am using xen 4.0.1 from debian Squeeze repositories and dom0 has kernel
2.6.32-5-xen-amd64(also stock debian).
I wanted to set a high value to maxmem in my xmdomain.cfg vm config files
so that I can increase memory as needed without rebooting.
Unfortunately as soon as I set this paramater I see really wiered things.
For example, I am trying to install a windows HVM guest. When maxmem is
not set, the first screen of the installer appear after less than 30. If I set
maxmem to 12288 (12GB, i guess), the installer screen takes more than
3min30sec to splash...
I have also tried to decrease maxmem to 8GB then 4GB (while
memory=2048)... but that doesn't help... Well I have to say that the lower
maxmem is set, the faster the VM are.
But when set the VM are generally slow and unstable, as I did not succeded
to complete any installl because of guests crashing.
Not sure if it's related but, few times ago, I had an issue while doing live
migration of a PV guest (migration seemed OK but VM was frozen) that also
had maxmem set to such a value...  I never experienced livemig problem like
this before...

Is there any options that may be incompatible with maxmem? Or am just
doing bad use of maxmem?

Did anybody experienced similar behaviour?

</pre>
      </blockquote>
      <pre wrap="">
Okay I just read this too. For Windows HVM to work with PoD memory you'll need PV drivers installed I think so that they allocate the extra memory before Windows gets a chance to touch it. This is a bit tricky during an install but possible during actual use once you have the PV drivers loaded.</pre>
    </blockquote>
    Thanks for your replies. Indeed, the need of GPLPV drivers sounds
    logical.<br>
    I finished installation of windows HVM and installed and activated
    GPLPV drivers (0.11.28). Even with GPLPV installed and working, HVM
    guest are really very slow as soon as i add maxmem option.<br>
    <br>
    Test: startup time (to ctrl+alt+suppr prompt) of an HVM windows
    2008r2 guest:<br>
    no maxmem:&nbsp; 48 sec<br>
    maxmem=8192: 2 min 53 sec<br>
    <br>
    <blockquote
cite="mid:6035A0D088A63A46850C3988ED045A4B03B8C6@BITCOM1.int.sbss.com.au"
      type="cite">
      <pre wrap="">

The way the PoD memory works (which I don't even know if 4.0.1 supports properly), is that the DomU is given "maxmem" amount of memory, but xen only populates "memory" amount of pages with actual memory. </pre>
    </blockquote>
    Does this mean that total amount of maxmem on a dom0 have to be
    lower or equal to the total amount of physical RAM?<br>
    <blockquote
cite="mid:6035A0D088A63A46850C3988ED045A4B03B8C6@BITCOM1.int.sbss.com.au"
      type="cite">
      <pre wrap="">When the DomU touches a page of memory that isn't populated, Xen find a spare page and populates it. If there aren't any spare pages because "memory" pages are already populated, Xen scans for pages which are all 0's and uses one of them, leaving a hole behind. There was a bug causing really bad performance when this happened (see previous email) but even with that fixed, as soon as DomU uses more than "memory" amount of actual pages, you are going to crash.

So don't set "maxmem" &gt; "memory" until you have PV drivers loaded.
</pre>
    </blockquote>
    As I said above... even with PV drivers, performances are really
    poor. Maybe it's related to my version of xen? I will try to setup a
    more recent version of Xen with a recent kernel too... if i find
    enough spare time.<br>
    <br>
    <blockquote
cite="mid:6035A0D088A63A46850C3988ED045A4B03B8C6@BITCOM1.int.sbss.com.au"
      type="cite">
      <pre wrap="">
James
</pre>
    </blockquote>
    <br>
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Subject: Re: [Xen-users] using maxmem
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Le 18/12/2011 05:44, James Harper a écrit :
>> Hi,
>>
>> I am using xen 4.0.1 from debian Squeeze repositories and dom0 has kernel
>> 2.6.32-5-xen-amd64(also stock debian).
>> I wanted to set a high value to maxmem in my xmdomain.cfg vm config files
>> so that I can increase memory as needed without rebooting.
>> Unfortunately as soon as I set this paramater I see really wiered things.
>> For example, I am trying to install a windows HVM guest. When maxmem is
>> not set, the first screen of the installer appear after less than 30. If I set
>> maxmem to 12288 (12GB, i guess), the installer screen takes more than
>> 3min30sec to splash...
>> I have also tried to decrease maxmem to 8GB then 4GB (while
>> memory=2048)... but that doesn't help... Well I have to say that the lower
>> maxmem is set, the faster the VM are.
>> But when set the VM are generally slow and unstable, as I did not succeded
>> to complete any installl because of guests crashing.
>> Not sure if it's related but, few times ago, I had an issue while doing live
>> migration of a PV guest (migration seemed OK but VM was frozen) that also
>> had maxmem set to such a value...  I never experienced livemig problem like
>> this before...
>>
>> Is there any options that may be incompatible with maxmem? Or am just
>> doing bad use of maxmem?
>>
>> Did anybody experienced similar behaviour?
>>
> Okay I just read this too. For Windows HVM to work with PoD memory you'll need PV drivers installed I think so that they allocate the extra memory before Windows gets a chance to touch it. This is a bit tricky during an install but possible during actual use once you have the PV drivers loaded.
Thanks for your replies. Indeed, the need of GPLPV drivers sounds logical.
I finished installation of windows HVM and installed and activated GPLPV 
drivers (0.11.28). Even with GPLPV installed and working, HVM guest are 
really very slow as soon as i add maxmem option.

Test: startup time (to ctrl+alt+suppr prompt) of an HVM windows 2008r2 
guest:
no maxmem:  48 sec
maxmem=8192: 2 min 53 sec

>
> The way the PoD memory works (which I don't even know if 4.0.1 supports properly), is that the DomU is given "maxmem" amount of memory, but xen only populates "memory" amount of pages with actual memory.
Does this mean that total amount of maxmem on a dom0 have to be lower or 
equal to the total amount of physical RAM?
> When the DomU touches a page of memory that isn't populated, Xen find a spare page and populates it. If there aren't any spare pages because "memory" pages are already populated, Xen scans for pages which are all 0's and uses one of them, leaving a hole behind. There was a bug causing really bad performance when this happened (see previous email) but even with that fixed, as soon as DomU uses more than "memory" amount of actual pages, you are going to crash.
>
> So don't set "maxmem">  "memory" until you have PV drivers loaded.
As I said above... even with PV drivers, performances are really poor. 
Maybe it's related to my version of xen? I will try to setup a more 
recent version of Xen with a recent kernel too... if i find enough spare 
time.

> James

-- 
<http://www.horoa.net>

Alexandre Chapellon

Ingénierie des systèmes open sources et réseaux.
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    <br>
    <br>
    Le 18/12/2011 05:44, James Harper a &eacute;crit&nbsp;:
    <blockquote
cite="mid:6035A0D088A63A46850C3988ED045A4B03B8C6@BITCOM1.int.sbss.com.au"
      type="cite">
      <blockquote type="cite">
        <pre wrap="">
Hi,

I am using xen 4.0.1 from debian Squeeze repositories and dom0 has kernel
2.6.32-5-xen-amd64(also stock debian).
I wanted to set a high value to maxmem in my xmdomain.cfg vm config files
so that I can increase memory as needed without rebooting.
Unfortunately as soon as I set this paramater I see really wiered things.
For example, I am trying to install a windows HVM guest. When maxmem is
not set, the first screen of the installer appear after less than 30. If I set
maxmem to 12288 (12GB, i guess), the installer screen takes more than
3min30sec to splash...
I have also tried to decrease maxmem to 8GB then 4GB (while
memory=2048)... but that doesn't help... Well I have to say that the lower
maxmem is set, the faster the VM are.
But when set the VM are generally slow and unstable, as I did not succeded
to complete any installl because of guests crashing.
Not sure if it's related but, few times ago, I had an issue while doing live
migration of a PV guest (migration seemed OK but VM was frozen) that also
had maxmem set to such a value...  I never experienced livemig problem like
this before...

Is there any options that may be incompatible with maxmem? Or am just
doing bad use of maxmem?

Did anybody experienced similar behaviour?

</pre>
      </blockquote>
      <pre wrap="">
Okay I just read this too. For Windows HVM to work with PoD memory you'll need PV drivers installed I think so that they allocate the extra memory before Windows gets a chance to touch it. This is a bit tricky during an install but possible during actual use once you have the PV drivers loaded.</pre>
    </blockquote>
    Thanks for your replies. Indeed, the need of GPLPV drivers sounds
    logical.<br>
    I finished installation of windows HVM and installed and activated
    GPLPV drivers (0.11.28). Even with GPLPV installed and working, HVM
    guest are really very slow as soon as i add maxmem option.<br>
    <br>
    Test: startup time (to ctrl+alt+suppr prompt) of an HVM windows
    2008r2 guest:<br>
    no maxmem:&nbsp; 48 sec<br>
    maxmem=8192: 2 min 53 sec<br>
    <br>
    <blockquote
cite="mid:6035A0D088A63A46850C3988ED045A4B03B8C6@BITCOM1.int.sbss.com.au"
      type="cite">
      <pre wrap="">

The way the PoD memory works (which I don't even know if 4.0.1 supports properly), is that the DomU is given "maxmem" amount of memory, but xen only populates "memory" amount of pages with actual memory. </pre>
    </blockquote>
    Does this mean that total amount of maxmem on a dom0 have to be
    lower or equal to the total amount of physical RAM?<br>
    <blockquote
cite="mid:6035A0D088A63A46850C3988ED045A4B03B8C6@BITCOM1.int.sbss.com.au"
      type="cite">
      <pre wrap="">When the DomU touches a page of memory that isn't populated, Xen find a spare page and populates it. If there aren't any spare pages because "memory" pages are already populated, Xen scans for pages which are all 0's and uses one of them, leaving a hole behind. There was a bug causing really bad performance when this happened (see previous email) but even with that fixed, as soon as DomU uses more than "memory" amount of actual pages, you are going to crash.

So don't set "maxmem" &gt; "memory" until you have PV drivers loaded.
</pre>
    </blockquote>
    As I said above... even with PV drivers, performances are really
    poor. Maybe it's related to my version of xen? I will try to setup a
    more recent version of Xen with a recent kernel too... if i find
    enough spare time.<br>
    <br>
    <blockquote
cite="mid:6035A0D088A63A46850C3988ED045A4B03B8C6@BITCOM1.int.sbss.com.au"
      type="cite">
      <pre wrap="">
James
</pre>
    </blockquote>
    <br>
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_______________________________________________
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From xen-users-bounces@lists.xensource.com Mon Dec 19 11:52:23 2011
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From: Florian Heigl <florian.heigl@gmail.com>
To: Xen Users <xen-users@lists.xensource.com>
Subject: [Xen-users] NUMA question
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Hi,

I have a older opteron based box - IBM x3655 which I recently upgraded
for a second CPU.
It now has 2 quad cores, and each has the same amount of Ram, running
on OVM 2_2_2

I have enabled Numa via grub config and am not sure if it's correctly
detected or not.

in xm info I see the following:
host                   : waxh0012.xenhosts.de
release                : 2.6.18-128.2.1.4.37.el5xen
version                : #1 SMP Sat Apr 9 05:30:32 EDT 2011
machine                : i686
nr_cpus                : 8
nr_nodes               : 1
cores_per_socket       : 4
threads_per_core       : 1
cpu_mhz                : 2300
hw_caps                :
178bf3ff:efd3fbff:00000000:00000310:00802001:00000000:000007ff:00000000
virt_caps              : hvm
total_memory           : 8191
free_memory            : 6495
node_to_cpu            : node0:0-7
node_to_memory         : node0:6495
xen_major              : 3
xen_minor              : 4
xen_extra              : .0


This means my 2 sockets are considered one NUMA node and I need not worry?
Maybe I was misunderstanding NUMA, but I had thought these two CPUs
should each show up as a node.

This is the CPU topology from XenPM.
CPU	core	socket
CPU0	 0	 0
CPU1	 1	 0
CPU2	 2	 0
CPU3	 3	 0
CPU4	 0	 1
CPU5	 1	 1
CPU6	 2	 1
CPU7	 3	 1

Most of my newer servers are of course something "NUMA-ish" too (i.e.
6100 / 6200 or Xeon E56xx) so it would be great to know I'm not
misconfiguring the systems.
(I have also read that Xen4 had a lot more fixes in this direction but
Xen4 is no option yet since some of the super-new systems have
problems running that)

Can someone enlighten me a little?

Florian


-- 
the purpose of libvirt is to provide an abstraction layer hiding all
xen features added since 2006 until they were finally understood and
copied by the kvm devs.

_______________________________________________
Xen-users mailing list
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http://lists.xensource.com/xen-users

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From: Florian Heigl <florian.heigl@gmail.com>
To: Xen Users <xen-users@lists.xensource.com>
Subject: [Xen-users] NUMA question
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Hi,

I have a older opteron based box - IBM x3655 which I recently upgraded
for a second CPU.
It now has 2 quad cores, and each has the same amount of Ram, running
on OVM 2_2_2

I have enabled Numa via grub config and am not sure if it's correctly
detected or not.

in xm info I see the following:
host                   : waxh0012.xenhosts.de
release                : 2.6.18-128.2.1.4.37.el5xen
version                : #1 SMP Sat Apr 9 05:30:32 EDT 2011
machine                : i686
nr_cpus                : 8
nr_nodes               : 1
cores_per_socket       : 4
threads_per_core       : 1
cpu_mhz                : 2300
hw_caps                :
178bf3ff:efd3fbff:00000000:00000310:00802001:00000000:000007ff:00000000
virt_caps              : hvm
total_memory           : 8191
free_memory            : 6495
node_to_cpu            : node0:0-7
node_to_memory         : node0:6495
xen_major              : 3
xen_minor              : 4
xen_extra              : .0


This means my 2 sockets are considered one NUMA node and I need not worry?
Maybe I was misunderstanding NUMA, but I had thought these two CPUs
should each show up as a node.

This is the CPU topology from XenPM.
CPU	core	socket
CPU0	 0	 0
CPU1	 1	 0
CPU2	 2	 0
CPU3	 3	 0
CPU4	 0	 1
CPU5	 1	 1
CPU6	 2	 1
CPU7	 3	 1

Most of my newer servers are of course something "NUMA-ish" too (i.e.
6100 / 6200 or Xeon E56xx) so it would be great to know I'm not
misconfiguring the systems.
(I have also read that Xen4 had a lot more fixes in this direction but
Xen4 is no option yet since some of the super-new systems have
problems running that)

Can someone enlighten me a little?

Florian


-- 
the purpose of libvirt is to provide an abstraction layer hiding all
xen features added since 2006 until they were finally understood and
copied by the kvm devs.

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

From xen-users-bounces@lists.xensource.com Mon Dec 19 11:59:12 2011
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Date: Mon, 19 Dec 2011 12:57:43 +0100
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From: Florian Heigl <florian.heigl@gmail.com>
To: mark@internecto.net
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] xl and vifname
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Hi,

2011/12/17  <mark@internecto.net>:
> While using xen 4.1-testing.hg (r23202) I noticed that the 'vifname'
> config value is not handled by xl, but is handled by xm. Is there a
> workaround or patch for this? My firewall and scripts depend on static
> vifnames.

xl does not support vifname as of now.
Except for one type of HVM domU, where it does support vifname.

You might want to communicate to xen-devel that you rely on it and all that.

I also think I need vifname support - it's unbearable to work without
vifnames if you run a setup with potentially many 100 vifs + vlans +
brides + bonds.
(I guess thats how the whole UUID disaster in XenServer happened)

I said "think I need" because I DO rely on them, but maybe something
happens that makes me suddenly understand that it's better to script
against some API to get the information reliably without any problem
by changing domIDs and always being up-to-date.
Oh wait, that would be like setting vifname and just looking at the
ifconfig output :)


Florian

-- 
the purpose of libvirt is to provide an abstraction layer hiding all
xen features added since 2006 until they were finally understood and
copied by the kvm devs.

_______________________________________________
Xen-users mailing list
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Date: Mon, 19 Dec 2011 12:57:43 +0100
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From: Florian Heigl <florian.heigl@gmail.com>
To: mark@internecto.net
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] xl and vifname
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Hi,

2011/12/17  <mark@internecto.net>:
> While using xen 4.1-testing.hg (r23202) I noticed that the 'vifname'
> config value is not handled by xl, but is handled by xm. Is there a
> workaround or patch for this? My firewall and scripts depend on static
> vifnames.

xl does not support vifname as of now.
Except for one type of HVM domU, where it does support vifname.

You might want to communicate to xen-devel that you rely on it and all that.

I also think I need vifname support - it's unbearable to work without
vifnames if you run a setup with potentially many 100 vifs + vlans +
brides + bonds.
(I guess thats how the whole UUID disaster in XenServer happened)

I said "think I need" because I DO rely on them, but maybe something
happens that makes me suddenly understand that it's better to script
against some API to get the information reliably without any problem
by changing domIDs and always being up-to-date.
Oh wait, that would be like setting vifname and just looking at the
ifconfig output :)


Florian

-- 
the purpose of libvirt is to provide an abstraction layer hiding all
xen features added since 2006 until they were finally understood and
copied by the kvm devs.

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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From: Andrew Wells <agwells0714@gmail.com>
Date: Mon, 19 Dec 2011 09:15:21 -0500
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To: "Niels Dettenbach (Syndicat IT&Internet)" <nd@syndicat.com>
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] Disk IO tuning
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I am using xenserver6, so I am not sure what you mean by configuration or
what you would want?

Can you be more specific?

On Fri, Dec 16, 2011 at 1:38 AM, Niels Dettenbach (Syndicat IT&Internet) <
nd@syndicat.com> wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA256
>
>
>
>
>
>
> Andrew Wells <agwells0714@gmail.com> schrieb:
>
> >So using PV, is there anything I can do to tune io to increase
> >performance
>
> Can you pls post your configuration file? This may help us further...
>
>
> many thanks,
>
>
> Niels.
> - --
> Niels Dettenbach
> Syndicat IT&Internet
> http://www.syndicat.com
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I am using xenserver6, so I am not sure what you mean by configuration or w=
hat you would want?<div><br></div><div>Can you be more specific?<br><br><di=
v class=3D"gmail_quote">On Fri, Dec 16, 2011 at 1:38 AM, Niels Dettenbach (=
Syndicat IT&amp;Internet) <span dir=3D"ltr">&lt;<a href=3D"mailto:nd@syndic=
at.com" target=3D"_blank">nd@syndicat.com</a>&gt;</span> wrote:<br>


<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div>-----BEGIN PGP SIGNED MESSAGE-----<br>
Hash: SHA256<br>
<br>
<br>
<br>
<br>
<br>
<br>
Andrew Wells &lt;<a href=3D"mailto:agwells0714@gmail.com" target=3D"_blank"=
>agwells0714@gmail.com</a>&gt; schrieb:<br>
<br>
</div><div>&gt;So using PV, is there anything I can do to tune io to increa=
se<br>
&gt;performance<br>
<br>
</div>Can you pls post your configuration file? This may help us further...=
<br>
<br>
<br>
many thanks,<br>
<div><br>
<br>
Niels.<br>
- --<br>
Niels Dettenbach<br>
Syndicat IT&amp;Internet<br>
<a href=3D"http://www.syndicat.com" target=3D"_blank">http://www.syndicat.c=
om</a><br>
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</blockquote></div><br>
</div>

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From: Andrew Wells <agwells0714@gmail.com>
Date: Mon, 19 Dec 2011 09:15:21 -0500
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To: "Niels Dettenbach (Syndicat IT&Internet)" <nd@syndicat.com>
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I am using xenserver6, so I am not sure what you mean by configuration or
what you would want?

Can you be more specific?

On Fri, Dec 16, 2011 at 1:38 AM, Niels Dettenbach (Syndicat IT&Internet) <
nd@syndicat.com> wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA256
>
>
>
>
>
>
> Andrew Wells <agwells0714@gmail.com> schrieb:
>
> >So using PV, is there anything I can do to tune io to increase
> >performance
>
> Can you pls post your configuration file? This may help us further...
>
>
> many thanks,
>
>
> Niels.
> - --
> Niels Dettenbach
> Syndicat IT&Internet
> http://www.syndicat.com
> -----BEGIN PGP SIGNATURE-----
> Version: APG v1.0.8
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>
>

--e89a8ff1c9bef7d46d04b4729546
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

I am using xenserver6, so I am not sure what you mean by configuration or w=
hat you would want?<div><br></div><div>Can you be more specific?<br><br><di=
v class=3D"gmail_quote">On Fri, Dec 16, 2011 at 1:38 AM, Niels Dettenbach (=
Syndicat IT&amp;Internet) <span dir=3D"ltr">&lt;<a href=3D"mailto:nd@syndic=
at.com" target=3D"_blank">nd@syndicat.com</a>&gt;</span> wrote:<br>


<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div>-----BEGIN PGP SIGNED MESSAGE-----<br>
Hash: SHA256<br>
<br>
<br>
<br>
<br>
<br>
<br>
Andrew Wells &lt;<a href=3D"mailto:agwells0714@gmail.com" target=3D"_blank"=
>agwells0714@gmail.com</a>&gt; schrieb:<br>
<br>
</div><div>&gt;So using PV, is there anything I can do to tune io to increa=
se<br>
&gt;performance<br>
<br>
</div>Can you pls post your configuration file? This may help us further...=
<br>
<br>
<br>
many thanks,<br>
<div><br>
<br>
Niels.<br>
- --<br>
Niels Dettenbach<br>
Syndicat IT&amp;Internet<br>
<a href=3D"http://www.syndicat.com" target=3D"_blank">http://www.syndicat.c=
om</a><br>
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</blockquote></div><br>
</div>

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Hello everyone,

We are trying to set up a Xen System based on the latest stable vanilla
Linux Kernel (3.1.5) and hypervisor & tools (4.1.2).

When starting to test with the iSCSI target, we experienced (reproducable)
system crashes and immediate reboots in the initiator System (Xen dom0).

When afterwards trying to copy the domU System to a local disk drive, the
same crash happened ... so it's probably not really iSCSI related.

Some facts:
- crash during network IO.
  It happens reliably - just within minutes of using either iSCSI or NFS
- The whole system crashes and reboots.
  We can see there is a stacktrace on screen, but it's too quick to read.
- It happens in dom0. No domU needs to run to reproduce it.
- We tried with noacpi, nolapic - with the same result.
- When booting the same kernel without hypervisor it runs stable!
- The crash is reproducible on 2 different amd64 machines (see below).
- We are still using xm and xend (but that should not make any
  difference, since we don't start a single domU).
- The iSCSI target is LIO (Linux 3.1.5) with 4k blocksize.
- MTU 9000
- The Xen system seems to run stable without NFS or iSCSI access!

Hardware:
Tested on 2 machines:
- AMD Athlon(tm) 64 Processor 2800+
  on Asus K8V
    Marvell 88E8001 Gigabit Ethernet (rev 13)
- AMD Athlon(tm) 64 Processor 3700+
  on Asus A8N-E (nforce4)
    nVidia CK804 Ethernet (rev a3)
  as well as:
    Intel 82571EB Gigabit Ethernet (rev 06)

We are testing on a gentoo system, but installed xen tools and hypervisor
from source, as well as the linux kernel.

We don't have any experience in kernel debugging - so I don't know if
there is a chance to grab the stack trace in any way.

Any suggestions about what we can do to get this thing stable? Or rather
on how or what to test to so we can provide more usable information?

Thanks in advance,
- peter.






-- =

Peter Gansterer

PARADIGMA Unternehmensberatung GmbH
Mariahilferstra=DFe 47/1/3
A-1060 Wien
Tel: 0043-(0)1-585 49 72
http://www.paradigma.net

Firmenbuchnummer: FN 134564 p
Rechtsform: GmbH
Firmenbuchgericht: Handelsgericht Wien


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Hello everyone,

We are trying to set up a Xen System based on the latest stable vanilla
Linux Kernel (3.1.5) and hypervisor & tools (4.1.2).

When starting to test with the iSCSI target, we experienced (reproducable)
system crashes and immediate reboots in the initiator System (Xen dom0).

When afterwards trying to copy the domU System to a local disk drive, the
same crash happened ... so it's probably not really iSCSI related.

Some facts:
- crash during network IO.
  It happens reliably - just within minutes of using either iSCSI or NFS
- The whole system crashes and reboots.
  We can see there is a stacktrace on screen, but it's too quick to read.
- It happens in dom0. No domU needs to run to reproduce it.
- We tried with noacpi, nolapic - with the same result.
- When booting the same kernel without hypervisor it runs stable!
- The crash is reproducible on 2 different amd64 machines (see below).
- We are still using xm and xend (but that should not make any
  difference, since we don't start a single domU).
- The iSCSI target is LIO (Linux 3.1.5) with 4k blocksize.
- MTU 9000
- The Xen system seems to run stable without NFS or iSCSI access!

Hardware:
Tested on 2 machines:
- AMD Athlon(tm) 64 Processor 2800+
  on Asus K8V
    Marvell 88E8001 Gigabit Ethernet (rev 13)
- AMD Athlon(tm) 64 Processor 3700+
  on Asus A8N-E (nforce4)
    nVidia CK804 Ethernet (rev a3)
  as well as:
    Intel 82571EB Gigabit Ethernet (rev 06)

We are testing on a gentoo system, but installed xen tools and hypervisor
from source, as well as the linux kernel.

We don't have any experience in kernel debugging - so I don't know if
there is a chance to grab the stack trace in any way.

Any suggestions about what we can do to get this thing stable? Or rather
on how or what to test to so we can provide more usable information?

Thanks in advance,
- peter.






-- =

Peter Gansterer

PARADIGMA Unternehmensberatung GmbH
Mariahilferstra=DFe 47/1/3
A-1060 Wien
Tel: 0043-(0)1-585 49 72
http://www.paradigma.net

Firmenbuchnummer: FN 134564 p
Rechtsform: GmbH
Firmenbuchgericht: Handelsgericht Wien


_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Am Montag, 19. Dezember 2011, 09:15:21 schrieb Andrew Wells:
> I am using xenserver6, so I am not sure what you mean by configuration or
> what you would want?
> 
> Can you be more specific?
...sorry, i did not use xenserver6 nor the xenserver distribution - just 
"plain" xen /4 - i did not know if and with which command you may can show / 
dump any current domains configuration as possible / usual with xen xm / xl 
commands.

May be other can give any hint here?


cheers,


Niels.



---
Niels Dettenbach
Syndicat IT&Internet
http://www.syndicat.com/
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Am Montag, 19. Dezember 2011, 09:15:21 schrieb Andrew Wells:
> I am using xenserver6, so I am not sure what you mean by configuration or
> what you would want?
> 
> Can you be more specific?
...sorry, i did not use xenserver6 nor the xenserver distribution - just 
"plain" xen /4 - i did not know if and with which command you may can show / 
dump any current domains configuration as possible / usual with xen xm / xl 
commands.

May be other can give any hint here?


cheers,


Niels.



---
Niels Dettenbach
Syndicat IT&Internet
http://www.syndicat.com/
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From: Andrew Wells <agwells0714@gmail.com>
Date: Mon, 19 Dec 2011 10:29:29 -0500
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To: Niels Dettenbach <nd@syndicat.com>
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If you can provide me with what you did for xen4, I might be able to work
with that information

Andrew

On Mon, Dec 19, 2011 at 10:21 AM, Niels Dettenbach <nd@syndicat.com> wrote:

> Am Montag, 19. Dezember 2011, 09:15:21 schrieb Andrew Wells:
> > I am using xenserver6, so I am not sure what you mean by configuration or
> > what you would want?
> >
> > Can you be more specific?
> ...sorry, i did not use xenserver6 nor the xenserver distribution - just
> "plain" xen /4 - i did not know if and with which command you may can show
> /
> dump any current domains configuration as possible / usual with xen xm / xl
> commands.
>
> May be other can give any hint here?
>
>
> cheers,
>
>
> Niels.
>
>
>
> ---
> Niels Dettenbach
> Syndicat IT&Internet
> http://www.syndicat.com/

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If you can provide me with what you did for xen4, I might be able to work w=
ith that information<div><br></div><div>Andrew<br><br><div class=3D"gmail_q=
uote">On Mon, Dec 19, 2011 at 10:21 AM, Niels Dettenbach <span dir=3D"ltr">=
&lt;<a href=3D"mailto:nd@syndicat.com">nd@syndicat.com</a>&gt;</span> wrote=
:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">Am Montag, 19. Dezember 2011, 09:15:21 schri=
eb Andrew Wells:<br>
<div class=3D"im">&gt; I am using xenserver6, so I am not sure what you mea=
n by configuration or<br>
&gt; what you would want?<br>
&gt;<br>
&gt; Can you be more specific?<br>
</div>...sorry, i did not use xenserver6 nor the xenserver distribution - j=
ust<br>
&quot;plain&quot; xen /4 - i did not know if and with which command you may=
 can show /<br>
dump any current domains configuration as possible / usual with xen xm / xl=
<br>
commands.<br>
<br>
May be other can give any hint here?<br>
<br>
<br>
cheers,<br>
<br>
<br>
Niels.<br>
<br>
<br>
<br>
---<br>
Niels Dettenbach<br>
Syndicat IT&amp;Internet<br>
<a href=3D"http://www.syndicat.com/" target=3D"_blank">http://www.syndicat.=
com/</a></blockquote></div><br></div>

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From: Andrew Wells <agwells0714@gmail.com>
Date: Mon, 19 Dec 2011 10:29:29 -0500
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If you can provide me with what you did for xen4, I might be able to work
with that information

Andrew

On Mon, Dec 19, 2011 at 10:21 AM, Niels Dettenbach <nd@syndicat.com> wrote:

> Am Montag, 19. Dezember 2011, 09:15:21 schrieb Andrew Wells:
> > I am using xenserver6, so I am not sure what you mean by configuration or
> > what you would want?
> >
> > Can you be more specific?
> ...sorry, i did not use xenserver6 nor the xenserver distribution - just
> "plain" xen /4 - i did not know if and with which command you may can show
> /
> dump any current domains configuration as possible / usual with xen xm / xl
> commands.
>
> May be other can give any hint here?
>
>
> cheers,
>
>
> Niels.
>
>
>
> ---
> Niels Dettenbach
> Syndicat IT&Internet
> http://www.syndicat.com/

--e89a8ff1c9be1748a904b4739f65
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If you can provide me with what you did for xen4, I might be able to work w=
ith that information<div><br></div><div>Andrew<br><br><div class=3D"gmail_q=
uote">On Mon, Dec 19, 2011 at 10:21 AM, Niels Dettenbach <span dir=3D"ltr">=
&lt;<a href=3D"mailto:nd@syndicat.com">nd@syndicat.com</a>&gt;</span> wrote=
:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">Am Montag, 19. Dezember 2011, 09:15:21 schri=
eb Andrew Wells:<br>
<div class=3D"im">&gt; I am using xenserver6, so I am not sure what you mea=
n by configuration or<br>
&gt; what you would want?<br>
&gt;<br>
&gt; Can you be more specific?<br>
</div>...sorry, i did not use xenserver6 nor the xenserver distribution - j=
ust<br>
&quot;plain&quot; xen /4 - i did not know if and with which command you may=
 can show /<br>
dump any current domains configuration as possible / usual with xen xm / xl=
<br>
commands.<br>
<br>
May be other can give any hint here?<br>
<br>
<br>
cheers,<br>
<br>
<br>
Niels.<br>
<br>
<br>
<br>
---<br>
Niels Dettenbach<br>
Syndicat IT&amp;Internet<br>
<a href=3D"http://www.syndicat.com/" target=3D"_blank">http://www.syndicat.=
com/</a></blockquote></div><br></div>

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From: svenvan svenvan <svenvan.van@gmail.com>
To: xen-users@lists.xensource.com
Subject: Re: [Xen-users] SysRq over serial console, anyone?
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2011/12/16 svenvan svenvan <svenvan.van@gmail.com>

> Hi,
> Anyone was able to invoke sysrq over serial console for dom0?
> tried with minicom and screen.  I can send break but then sysrq does not
> work.  Maybe something related to hvc0?
> Any hints would be really appreciated
> Thanks
>


Solved.
With screen send break for dom0 is ctrl+O
Cannot find a way to make it work using minicom but it's not a concern.

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<br><div class=3D"gmail_quote">2011/12/16 svenvan svenvan <span dir=3D"ltr"=
>&lt;<a href=3D"mailto:svenvan.van@gmail.com">svenvan.van@gmail.com</a>&gt;=
</span><br><blockquote class=3D"gmail_quote" style=3D"margin:0pt 0pt 0pt 0.=
8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
Hi,<br>Anyone was able to invoke sysrq over serial console for dom0?<br>tri=
ed with minicom and screen.=A0 I can send break but then sysrq does not wor=
k.=A0 Maybe something related to hvc0?<br>
Any hints would be really appreciated<br>Thanks<br>
</blockquote></div><br><br>Solved.<br>With screen send break for dom0 is ct=
rl+O<br>Cannot find a way to make it work using minicom but it&#39;s not a =
concern.<br><br><br><br><br>

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From: svenvan svenvan <svenvan.van@gmail.com>
To: xen-users@lists.xensource.com
Subject: Re: [Xen-users] SysRq over serial console, anyone?
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2011/12/16 svenvan svenvan <svenvan.van@gmail.com>

> Hi,
> Anyone was able to invoke sysrq over serial console for dom0?
> tried with minicom and screen.  I can send break but then sysrq does not
> work.  Maybe something related to hvc0?
> Any hints would be really appreciated
> Thanks
>


Solved.
With screen send break for dom0 is ctrl+O
Cannot find a way to make it work using minicom but it's not a concern.

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<br><div class=3D"gmail_quote">2011/12/16 svenvan svenvan <span dir=3D"ltr"=
>&lt;<a href=3D"mailto:svenvan.van@gmail.com">svenvan.van@gmail.com</a>&gt;=
</span><br><blockquote class=3D"gmail_quote" style=3D"margin:0pt 0pt 0pt 0.=
8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
Hi,<br>Anyone was able to invoke sysrq over serial console for dom0?<br>tri=
ed with minicom and screen.=A0 I can send break but then sysrq does not wor=
k.=A0 Maybe something related to hvc0?<br>
Any hints would be really appreciated<br>Thanks<br>
</blockquote></div><br><br>Solved.<br>With screen send break for dom0 is ct=
rl+O<br>Cannot find a way to make it work using minicom but it&#39;s not a =
concern.<br><br><br><br><br>

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Subject: Re: [Xen-users] Ethernet/iSCSI related System Crash (Xen dom0).
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Hi again,

It seems to be somehow iSCSI-related after all.
Today's tests showed:
- We could not reproduce the crash using NFS only.
  (Altho it DID crash when copying the system via NFS ... maybe we had
   accessed an iSCSI device before and the kernel was left in some
   erroneous state).
- It still reliably crashes when accessing iSCSI.
- It's still stable with iSCSI and the same kernel without Xen.
- We tried the "noirqbalance" option, which had no effect.

We are in the process of preparing a 2.6.38 System for comparison.

Any input is still very welcome.

thx,
- peter.

On Mon, December 19, 2011 15:43, Peter Gansterer wrote:
>
> Hello everyone,
>
> We are trying to set up a Xen System based on the latest stable vanilla
> Linux Kernel (3.1.5) and hypervisor & tools (4.1.2).
>
> When starting to test with the iSCSI target, we experienced (reproducable)
> system crashes and immediate reboots in the initiator System (Xen dom0).
>
> When afterwards trying to copy the domU System to a local disk drive, the
> same crash happened ... so it's probably not really iSCSI related.
>
> Some facts:
> - crash during network IO.
>   It happens reliably - just within minutes of using either iSCSI or NFS
> - The whole system crashes and reboots.
>   We can see there is a stacktrace on screen, but it's too quick to read.
> - It happens in dom0. No domU needs to run to reproduce it.
> - We tried with noacpi, nolapic - with the same result.
> - When booting the same kernel without hypervisor it runs stable!
> - The crash is reproducible on 2 different amd64 machines (see below).
> - We are still using xm and xend (but that should not make any
>   difference, since we don't start a single domU).
> - The iSCSI target is LIO (Linux 3.1.5) with 4k blocksize.
> - MTU 9000
> - The Xen system seems to run stable without NFS or iSCSI access!
>
> Hardware:
> Tested on 2 machines:
> - AMD Athlon(tm) 64 Processor 2800+
>   on Asus K8V
>     Marvell 88E8001 Gigabit Ethernet (rev 13)
> - AMD Athlon(tm) 64 Processor 3700+
>   on Asus A8N-E (nforce4)
>     nVidia CK804 Ethernet (rev a3)
>   as well as:
>     Intel 82571EB Gigabit Ethernet (rev 06)
>
> We are testing on a gentoo system, but installed xen tools and hypervisor
> from source, as well as the linux kernel.
>
> We don't have any experience in kernel debugging - so I don't know if
> there is a chance to grab the stack trace in any way.
>
> Any suggestions about what we can do to get this thing stable? Or rather
> on how or what to test to so we can provide more usable information?
>
> Thanks in advance,
> - peter.
>
>
>
>
>
>
> --
> Peter Gansterer
>
> PARADIGMA Unternehmensberatung GmbH
> Mariahilferstra=DFe 47/1/3
> A-1060 Wien
> Tel: 0043-(0)1-585 49 72
> http://www.paradigma.net
>
> Firmenbuchnummer: FN 134564 p
> Rechtsform: GmbH
> Firmenbuchgericht: Handelsgericht Wien
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>


-- =

Peter Gansterer

PARADIGMA Unternehmensberatung GmbH
Mariahilferstra=DFe 47/1/3
A-1060 Wien
Tel: 0043-(0)1-585 49 72
http://www.paradigma.net

Firmenbuchnummer: FN 134564 p
Rechtsform: GmbH
Firmenbuchgericht: Handelsgericht Wien


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Hi again,

It seems to be somehow iSCSI-related after all.
Today's tests showed:
- We could not reproduce the crash using NFS only.
  (Altho it DID crash when copying the system via NFS ... maybe we had
   accessed an iSCSI device before and the kernel was left in some
   erroneous state).
- It still reliably crashes when accessing iSCSI.
- It's still stable with iSCSI and the same kernel without Xen.
- We tried the "noirqbalance" option, which had no effect.

We are in the process of preparing a 2.6.38 System for comparison.

Any input is still very welcome.

thx,
- peter.

On Mon, December 19, 2011 15:43, Peter Gansterer wrote:
>
> Hello everyone,
>
> We are trying to set up a Xen System based on the latest stable vanilla
> Linux Kernel (3.1.5) and hypervisor & tools (4.1.2).
>
> When starting to test with the iSCSI target, we experienced (reproducable)
> system crashes and immediate reboots in the initiator System (Xen dom0).
>
> When afterwards trying to copy the domU System to a local disk drive, the
> same crash happened ... so it's probably not really iSCSI related.
>
> Some facts:
> - crash during network IO.
>   It happens reliably - just within minutes of using either iSCSI or NFS
> - The whole system crashes and reboots.
>   We can see there is a stacktrace on screen, but it's too quick to read.
> - It happens in dom0. No domU needs to run to reproduce it.
> - We tried with noacpi, nolapic - with the same result.
> - When booting the same kernel without hypervisor it runs stable!
> - The crash is reproducible on 2 different amd64 machines (see below).
> - We are still using xm and xend (but that should not make any
>   difference, since we don't start a single domU).
> - The iSCSI target is LIO (Linux 3.1.5) with 4k blocksize.
> - MTU 9000
> - The Xen system seems to run stable without NFS or iSCSI access!
>
> Hardware:
> Tested on 2 machines:
> - AMD Athlon(tm) 64 Processor 2800+
>   on Asus K8V
>     Marvell 88E8001 Gigabit Ethernet (rev 13)
> - AMD Athlon(tm) 64 Processor 3700+
>   on Asus A8N-E (nforce4)
>     nVidia CK804 Ethernet (rev a3)
>   as well as:
>     Intel 82571EB Gigabit Ethernet (rev 06)
>
> We are testing on a gentoo system, but installed xen tools and hypervisor
> from source, as well as the linux kernel.
>
> We don't have any experience in kernel debugging - so I don't know if
> there is a chance to grab the stack trace in any way.
>
> Any suggestions about what we can do to get this thing stable? Or rather
> on how or what to test to so we can provide more usable information?
>
> Thanks in advance,
> - peter.
>
>
>
>
>
>
> --
> Peter Gansterer
>
> PARADIGMA Unternehmensberatung GmbH
> Mariahilferstra=DFe 47/1/3
> A-1060 Wien
> Tel: 0043-(0)1-585 49 72
> http://www.paradigma.net
>
> Firmenbuchnummer: FN 134564 p
> Rechtsform: GmbH
> Firmenbuchgericht: Handelsgericht Wien
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>


-- =

Peter Gansterer

PARADIGMA Unternehmensberatung GmbH
Mariahilferstra=DFe 47/1/3
A-1060 Wien
Tel: 0043-(0)1-585 49 72
http://www.paradigma.net

Firmenbuchnummer: FN 134564 p
Rechtsform: GmbH
Firmenbuchgericht: Handelsgericht Wien


_______________________________________________
Xen-users mailing list
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From: Florian Heigl <florian.heigl@gmail.com>
To: Peter Gansterer <peter.gansterer@paradigma.net>
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] Ethernet/iSCSI related System Crash (Xen dom0).
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2011/12/19 Peter Gansterer <peter.gansterer@paradigma.net>:
> Hi again,
>
> It seems to be somehow iSCSI-related after all.
> Today's tests showed:
> - We could not reproduce the crash using NFS only.
> =A0(Altho it DID crash when copying the system via NFS ... maybe we had
> =A0 accessed an iSCSI device before and the kernel was left in some
> =A0 erroneous state).
> - It still reliably crashes when accessing iSCSI.

Please try setting panic=3D100 on the kernel command line. If you're
lucky, this will result in a 100 second delay prior to the dom0
restart.
But I didn't have success when I tested that. I'm assuming that Xen
auto-reacts on a dom0 crash. Anyway, please give it a try.

As to your actual problem: Sorry. no idea.

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Subject: Re: [Xen-users] Ethernet/iSCSI related System Crash (Xen dom0).
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2011/12/19 Peter Gansterer <peter.gansterer@paradigma.net>:
> Hi again,
>
> It seems to be somehow iSCSI-related after all.
> Today's tests showed:
> - We could not reproduce the crash using NFS only.
> =A0(Altho it DID crash when copying the system via NFS ... maybe we had
> =A0 accessed an iSCSI device before and the kernel was left in some
> =A0 erroneous state).
> - It still reliably crashes when accessing iSCSI.

Please try setting panic=3D100 on the kernel command line. If you're
lucky, this will result in a 100 second delay prior to the dom0
restart.
But I didn't have success when I tested that. I'm assuming that Xen
auto-reacts on a dom0 crash. Anyway, please give it a try.

As to your actual problem: Sorry. no idea.

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Subject: [Xen-users] How to make image of existing windows 7
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Hi.

I would like to know how to prepare windows 7 image so I could run it 
under Xen.
Windows 7 is on 250GB /dev/sda1 seen by my hypervisor and it occupies 70GB.
Is there a method to make image only this 70GB plus for example 10GB 
additional free space?

Best Regards.
-- 

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    Hi.<br>
    <br>
    I would like to know how to prepare windows 7 image so I could run
    it under Xen.<br>
    Windows 7 is on 250GB /dev/sda1 seen by my hypervisor and it
    occupies 70GB. <br>
    Is there a method to make image only this 70GB plus for example 10GB
    additional free space?<br>
    <br>
    Best Regards.<br>
    <div class="moz-signature">-- <br>
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Date: Tue, 20 Dec 2011 11:16:08 +0100
From: Artur Fejklowicz <admin@artur.krakow.pl>
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Subject: [Xen-users] How to make image of existing windows 7
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Hi.

I would like to know how to prepare windows 7 image so I could run it 
under Xen.
Windows 7 is on 250GB /dev/sda1 seen by my hypervisor and it occupies 70GB.
Is there a method to make image only this 70GB plus for example 10GB 
additional free space?

Best Regards.
-- 

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<html>
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    Hi.<br>
    <br>
    I would like to know how to prepare windows 7 image so I could run
    it under Xen.<br>
    Windows 7 is on 250GB /dev/sda1 seen by my hypervisor and it
    occupies 70GB. <br>
    Is there a method to make image only this 70GB plus for example 10GB
    additional free space?<br>
    <br>
    Best Regards.<br>
    <div class="moz-signature">-- <br>
      <img src="cid:part1.08090200.04070106@artur.krakow.pl" border="0"></div>
  </body>
</html>

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--===============7741510466114607139==
Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha1; boundary="------------ms090507030702050609080606"

Dies ist eine kryptografisch unterzeichnete Nachricht im MIME-Format.

--------------ms090507030702050609080606
Content-Type: text/plain; charset=ISO-8859-15; format=flowed
Content-Transfer-Encoding: quoted-printable

Adding apic_verbosity=3Ddebug gives me that (hope nothing miss-typed as I=
=20
have no serial console on this box). I found a lot of suggested workaroun=
ds:
- noapic as suggested in output gives an noapic isn't support
- acpi_skip_timer_override has no effect at all

Thx,
Florian

(XEN) Initing memory sharing.
(XEN) AMD-Vi: IOMMU not found!
(XEN) I/O virtualisation disabled
(XEN) Getting VERSION: 8005010
(XEN) Getting VERSION: 8005010
(XEN) Getting ID: 0
(XEN) Getting LVT0: 700
(XEN) Getting LVT1: 400
(XEN) enabled ExtINT on CPU#0
(XEN) ESR value before enabling vector: 0x00000004 after: 0x0000000
(XEN) ENABLING IO-APIC IRQs
(XEN)  -> Using new ACK method
(XEN) ..MP-BIOS bug: 8254 timer not connected to IO-APIC
(XEN)
(XEN) *****************************************************
(XEN) Panic on CPU 0:
(XEN) IO-APIC + timer doesn't work! Boot with apic_verbosity=3Ddebug and =

send a report. Then try booting with hte 'noapic'=20
option****************************


--------------ms090507030702050609080606
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Subject: [Xen-users] Problem booting xen 4.1.2 on Athlon 64 X2
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Adding apic_verbosity=3Ddebug gives me that (hope nothing miss-typed as I=
=20
have no serial console on this box). I found a lot of suggested workaroun=
ds:
- noapic as suggested in output gives an noapic isn't support
- acpi_skip_timer_override has no effect at all

Thx,
Florian

(XEN) Initing memory sharing.
(XEN) AMD-Vi: IOMMU not found!
(XEN) I/O virtualisation disabled
(XEN) Getting VERSION: 8005010
(XEN) Getting VERSION: 8005010
(XEN) Getting ID: 0
(XEN) Getting LVT0: 700
(XEN) Getting LVT1: 400
(XEN) enabled ExtINT on CPU#0
(XEN) ESR value before enabling vector: 0x00000004 after: 0x0000000
(XEN) ENABLING IO-APIC IRQs
(XEN)  -> Using new ACK method
(XEN) ..MP-BIOS bug: 8254 timer not connected to IO-APIC
(XEN)
(XEN) *****************************************************
(XEN) Panic on CPU 0:
(XEN) IO-APIC + timer doesn't work! Boot with apic_verbosity=3Ddebug and =

send a report. Then try booting with hte 'noapic'=20
option****************************


--------------ms090507030702050609080606
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Subject: [Xen-users] Setting VIF model in XCP
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Hello everyone,

I'm playing around with both XCP 1.1 and Xenserver 6.0. I want to setup a
VM in HVM mode which exposes a e1000 network adapter. I've found a number
of posts where this has been done through vm config files and xm (and
ioemu). However, my understanding is that config files are no longer used
with XCP 1.1 but rather templates.

So how can one expose the vif as an e1000 rather than xen_netfront ? Is
this still possible?

Thank you & kind regards,
Morkel


-- 
*Morkel Theunissen*| *Developer* | *EPI-USE Labs* | Office: +27 12 470
2200| Fax:
+27 86 669 1890 |
email: morkel@labs.epiuse.com | http://www.epiuselabs.com | Disclaimer:
http://www.epiuse.com/disclaimer

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Hello everyone,<br><br>I&#39;m playing around with both XCP 1.1 and Xenserv=
er 6.0. I want to setup a VM in HVM mode which exposes a e1000 network adap=
ter. I&#39;ve found a number of posts where this has been done through vm c=
onfig files and xm (and ioemu). However, my understanding is that config fi=
les are no longer used with XCP 1.1 but rather templates.<br>

<br>So how can one expose the vif as an e1000 rather than xen_netfront ? Is=
 this still possible?<br><br>Thank you &amp; kind regards,<br>Morkel<br><br=
 clear=3D"all"><br>-- <br><font color=3D"#888888"><font size=3D"1"><font co=
lor=3D"#660000"><b>Morkel Theunissen</b></font>| <b><font color=3D"#000099"=
>Developer</font></b> | <b><font color=3D"#000099">EPI-USE Labs</font></b> =
| <font color=3D"#666666">Office: <a href=3D"tel:%2B27%2012%20470%202200" v=
alue=3D"+27124702200" target=3D"_blank">+27 12 470 2200</a></font> | <font =
color=3D"#666666">Fax: <a href=3D"tel:%2B27%2086%20669%201890" value=3D"+27=
866691890" target=3D"_blank">+27 86 669 1890</a></font> |<br>



<font color=3D"#666666">email:</font> </font><a href=3D"mailto:morkel@labs.=
epiuse.com" target=3D"_blank"><font size=3D"1">morkel@labs.epiuse.com</font=
></a><font size=3D"1"> | </font><a href=3D"http://www.epiuselabs.com/" targ=
et=3D"_blank"><font size=3D"1">http://www.epiuselabs.com</font></a><font si=
ze=3D"1"> | <font color=3D"#666666">Disclaimer:</font> </font><font size=3D=
"1"><a href=3D"http://www.epiuse.com/disclaimer" target=3D"_blank">http://w=
ww.epiuse.com/disclaimer</a>=A0 </font></font><br>

<br>

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From: Morkel Theunissen <morkel@labs.epiuse.com>
To: xen-users@lists.xensource.com
Subject: [Xen-users] Setting VIF model in XCP
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Hello everyone,

I'm playing around with both XCP 1.1 and Xenserver 6.0. I want to setup a
VM in HVM mode which exposes a e1000 network adapter. I've found a number
of posts where this has been done through vm config files and xm (and
ioemu). However, my understanding is that config files are no longer used
with XCP 1.1 but rather templates.

So how can one expose the vif as an e1000 rather than xen_netfront ? Is
this still possible?

Thank you & kind regards,
Morkel


-- 
*Morkel Theunissen*| *Developer* | *EPI-USE Labs* | Office: +27 12 470
2200| Fax:
+27 86 669 1890 |
email: morkel@labs.epiuse.com | http://www.epiuselabs.com | Disclaimer:
http://www.epiuse.com/disclaimer

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Hello everyone,<br><br>I&#39;m playing around with both XCP 1.1 and Xenserv=
er 6.0. I want to setup a VM in HVM mode which exposes a e1000 network adap=
ter. I&#39;ve found a number of posts where this has been done through vm c=
onfig files and xm (and ioemu). However, my understanding is that config fi=
les are no longer used with XCP 1.1 but rather templates.<br>

<br>So how can one expose the vif as an e1000 rather than xen_netfront ? Is=
 this still possible?<br><br>Thank you &amp; kind regards,<br>Morkel<br><br=
 clear=3D"all"><br>-- <br><font color=3D"#888888"><font size=3D"1"><font co=
lor=3D"#660000"><b>Morkel Theunissen</b></font>| <b><font color=3D"#000099"=
>Developer</font></b> | <b><font color=3D"#000099">EPI-USE Labs</font></b> =
| <font color=3D"#666666">Office: <a href=3D"tel:%2B27%2012%20470%202200" v=
alue=3D"+27124702200" target=3D"_blank">+27 12 470 2200</a></font> | <font =
color=3D"#666666">Fax: <a href=3D"tel:%2B27%2086%20669%201890" value=3D"+27=
866691890" target=3D"_blank">+27 86 669 1890</a></font> |<br>



<font color=3D"#666666">email:</font> </font><a href=3D"mailto:morkel@labs.=
epiuse.com" target=3D"_blank"><font size=3D"1">morkel@labs.epiuse.com</font=
></a><font size=3D"1"> | </font><a href=3D"http://www.epiuselabs.com/" targ=
et=3D"_blank"><font size=3D"1">http://www.epiuselabs.com</font></a><font si=
ze=3D"1"> | <font color=3D"#666666">Disclaimer:</font> </font><font size=3D=
"1"><a href=3D"http://www.epiuse.com/disclaimer" target=3D"_blank">http://w=
ww.epiuse.com/disclaimer</a>=A0 </font></font><br>

<br>

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Subject: Re: [Xen-users] BSOD with GPLPV windows drivers
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Any suggestions?
Is it possible at all to run more than [CPU cores count - 1] Windows VMs 
with GPLPV drivers?


13.12.2011 14:49, Eugene S. Sobolev ?????:
> Hello.
> I have encountered a problem with GPLPV drivers for windows.
> It is similar (if not the same) as 
> http://old-list-archives.xen.org/archives/html/xen-users/2011-02/msg00709.html
> Host is running 14 virtual machines with Windows XP. When I'm trying 
> to start 15-th windows VM it crashes with code 0x0000007b.
> Booting to safe mode or with /nogplpv works ok.
> 15-th VM works fine if I'm turn off any of other VMs.
> I tried to install debug version of GPLPV drivers - it crashes too, 
> but with code 0x0000007e.
>
> Xen version: 4.0.2 (OpenSUSE 11.4)
> GPLPV 0.11.0.308 (also tried 0.11.0.238)
> Windows XP SP3
>
> Screenshots and qemu-dm.log attached.
>
> PS: Host has total 16 processor cores.
>
>
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users


-- 
? ?????????,
??????? ??????? ?????????
????????? ????????????? ??? "??? ??????"

???: 8-960-258-35-80
e-mail: sobolev@protei.ru


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    Any suggestions?<br>
    Is it possible at all to run more than [CPU cores count - 1] Windows
    VMs with GPLPV drivers?<br>
    <br>
    <br>
    13.12.2011 14:49, Eugene S. Sobolev &#1087;&#1080;&#1096;&#1077;&#1090;:
    <blockquote cite="mid:4EE72DD0.2030904@protei.ru" type="cite">Hello.
      <br>
      I have encountered a problem with GPLPV drivers for windows.
      <br>
      It is similar (if not the same) as
<a class="moz-txt-link-freetext" href="http://old-list-archives.xen.org/archives/html/xen-users/2011-02/msg00709.html">http://old-list-archives.xen.org/archives/html/xen-users/2011-02/msg00709.html</a><br>
      Host is running 14 virtual machines with Windows XP. When I'm
      trying to start 15-th windows VM it crashes with code 0x0000007b.
      <br>
      Booting to safe mode or with /nogplpv works ok.
      <br>
      15-th VM works fine if I'm turn off any of other VMs.
      <br>
      I tried to install debug version of GPLPV drivers - it crashes
      too, but with code 0x0000007e.
      <br>
      <br>
      Xen version: 4.0.2 (OpenSUSE 11.4)
      <br>
      GPLPV 0.11.0.308 (also tried 0.11.0.238)
      <br>
      Windows XP SP3
      <br>
      <br>
      Screenshots and qemu-dm.log attached.
      <br>
      <br>
      PS: Host has total 16 processor cores.
      <br>
      <br>
      <br>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
Xen-users mailing list
<a class="moz-txt-link-abbreviated" href="mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.com</a>
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    </blockquote>
    <br>
    <br>
    <pre class="moz-signature" cols="72">-- 
&#1057; &#1091;&#1074;&#1072;&#1078;&#1077;&#1085;&#1080;&#1077;&#1084;,
&#1057;&#1086;&#1073;&#1086;&#1083;&#1077;&#1074; &#1045;&#1074;&#1075;&#1077;&#1085;&#1080;&#1081; &#1057;&#1077;&#1088;&#1075;&#1077;&#1077;&#1074;&#1080;&#1095;
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&#1090;&#1077;&#1083;: 8-960-258-35-80
e-mail: <a class="moz-txt-link-abbreviated" href="mailto:sobolev@protei.ru">sobolev@protei.ru</a> 
</pre>
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Subject: Re: [Xen-users] BSOD with GPLPV windows drivers
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Any suggestions?
Is it possible at all to run more than [CPU cores count - 1] Windows VMs 
with GPLPV drivers?


13.12.2011 14:49, Eugene S. Sobolev ?????:
> Hello.
> I have encountered a problem with GPLPV drivers for windows.
> It is similar (if not the same) as 
> http://old-list-archives.xen.org/archives/html/xen-users/2011-02/msg00709.html
> Host is running 14 virtual machines with Windows XP. When I'm trying 
> to start 15-th windows VM it crashes with code 0x0000007b.
> Booting to safe mode or with /nogplpv works ok.
> 15-th VM works fine if I'm turn off any of other VMs.
> I tried to install debug version of GPLPV drivers - it crashes too, 
> but with code 0x0000007e.
>
> Xen version: 4.0.2 (OpenSUSE 11.4)
> GPLPV 0.11.0.308 (also tried 0.11.0.238)
> Windows XP SP3
>
> Screenshots and qemu-dm.log attached.
>
> PS: Host has total 16 processor cores.
>
>
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users


-- 
? ?????????,
??????? ??????? ?????????
????????? ????????????? ??? "??? ??????"

???: 8-960-258-35-80
e-mail: sobolev@protei.ru


--------------050307060607060204080107
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    Any suggestions?<br>
    Is it possible at all to run more than [CPU cores count - 1] Windows
    VMs with GPLPV drivers?<br>
    <br>
    <br>
    13.12.2011 14:49, Eugene S. Sobolev &#1087;&#1080;&#1096;&#1077;&#1090;:
    <blockquote cite="mid:4EE72DD0.2030904@protei.ru" type="cite">Hello.
      <br>
      I have encountered a problem with GPLPV drivers for windows.
      <br>
      It is similar (if not the same) as
<a class="moz-txt-link-freetext" href="http://old-list-archives.xen.org/archives/html/xen-users/2011-02/msg00709.html">http://old-list-archives.xen.org/archives/html/xen-users/2011-02/msg00709.html</a><br>
      Host is running 14 virtual machines with Windows XP. When I'm
      trying to start 15-th windows VM it crashes with code 0x0000007b.
      <br>
      Booting to safe mode or with /nogplpv works ok.
      <br>
      15-th VM works fine if I'm turn off any of other VMs.
      <br>
      I tried to install debug version of GPLPV drivers - it crashes
      too, but with code 0x0000007e.
      <br>
      <br>
      Xen version: 4.0.2 (OpenSUSE 11.4)
      <br>
      GPLPV 0.11.0.308 (also tried 0.11.0.238)
      <br>
      Windows XP SP3
      <br>
      <br>
      Screenshots and qemu-dm.log attached.
      <br>
      <br>
      PS: Host has total 16 processor cores.
      <br>
      <br>
      <br>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
Xen-users mailing list
<a class="moz-txt-link-abbreviated" href="mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.com</a>
<a class="moz-txt-link-freetext" href="http://lists.xensource.com/xen-users">http://lists.xensource.com/xen-users</a></pre>
    </blockquote>
    <br>
    <br>
    <pre class="moz-signature" cols="72">-- 
&#1057; &#1091;&#1074;&#1072;&#1078;&#1077;&#1085;&#1080;&#1077;&#1084;,
&#1057;&#1086;&#1073;&#1086;&#1083;&#1077;&#1074; &#1045;&#1074;&#1075;&#1077;&#1085;&#1080;&#1081; &#1057;&#1077;&#1088;&#1075;&#1077;&#1077;&#1074;&#1080;&#1095;
&#1057;&#1080;&#1089;&#1090;&#1077;&#1084;&#1085;&#1099;&#1081; &#1072;&#1076;&#1084;&#1080;&#1085;&#1080;&#1089;&#1090;&#1088;&#1072;&#1090;&#1086;&#1088; &#1054;&#1054;&#1054; "&#1053;&#1058;&#1062; &#1055;&#1056;&#1054;&#1058;&#1045;&#1049;"

&#1090;&#1077;&#1083;: 8-960-258-35-80
e-mail: <a class="moz-txt-link-abbreviated" href="mailto:sobolev@protei.ru">sobolev@protei.ru</a> 
</pre>
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From xen-users-bounces@lists.xensource.com Tue Dec 20 13:25:59 2011
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Subject: [Xen-users] [XCP] Update patches for XCP vs. XenServer
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Hello list,

How are XCP update patches released?

Are they released when XenServer has an update? 

Is the current XCP 1.1 the same as  XenServer build number 47101p (latest 5.6 SP2) ?

Thanks.

Lars


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Hello list,

How are XCP update patches released?

Are they released when XenServer has an update? 

Is the current XCP 1.1 the same as  XenServer build number 47101p (latest 5.6 SP2) ?

Thanks.

Lars


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Subject: [Xen-users] Error: Boot loader didn't return any data! (ubuntu 8.2
	hardy release)
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I am trying to install PV guest *debian.6-0.gnome.x86.20111008* using *
pygrub* and getting the *Error: Boot loader didn't return any data!*
*
*
I am running *ubuntu 8.2 hardy release* Kernel 2.6.24-30-xen and using xen (
*xen-3.2.1-rc1-pre).*

When I run # xm create -c debian.6-0.gnome.x86.20111008.pygrub.cfg
The  /var/log/xen/xend.log showed the following error:

--------------
[2011-12-20 08:35:49 5803] ERROR (XendDomainInfo:89) Domain construction
failed
Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/xen/xend/XendDomainInfo.py", line
87, in create
    vm.start()
  File "/usr/lib/python2.5/site-packages/xen/xend/XendDomainInfo.py", line
420, in start
    XendTask.log_progress(31, 60, self._initDomain)
  File "/usr/lib/python2.5/site-packages/xen/xend/XendTask.py", line 209,
in log_progress
    retval = func(*args, **kwds)
  File "/usr/lib/python2.5/site-packages/xen/xend/XendDomainInfo.py", line
1724, in _initDomain
    self._configureBootloader()
  File "/usr/lib/python2.5/site-packages/xen/xend/XendDomainInfo.py", line
2080, in _configureBootloader
    bootloader_args, kernel, ramdisk, args)
  File "/usr/lib/python2.5/site-packages/xen/xend/XendBootloader.py", line
172, in bootloader
    raise VmError, msg
VmError: Boot loader didn't return any data!
[2011-12-20 08:35:49 5803] DEBUG (XendDomainInfo:1913)
XendDomainInfo.destroy: domid=None
[2011-12-20 08:35:49 5803] DEBUG (XendDomainInfo:1930)
XendDomainInfo.destroyDomain(None)
[2011-12-20 08:35:49 5803] DEBUG (XendDomainInfo:1553) No device model
[2011-12-20 08:35:49 5803] DEBUG (XendDomainInfo:1555) Releasing devices
------------------

I have also run
# pygrub debian.6-0.gnome.x86.20111008.img
and got the following error:

___________
 debian.6-0.gnome.x86.20111008.img
Traceback (most recent call last):
  File "/usr/bin/pygrub", line 653, in <module>
    chosencfg = run_grub(file, entry, fs)
  File "/usr/bin/pygrub", line 510, in run_grub
    g = Grub(file, fs)
  File "/usr/bin/pygrub", line 203, in __init__
    self.read_config(file, fs)
  File "/usr/bin/pygrub", line 393, in read_config
    raise RuntimeError, "couldn't find bootloader config file in the image
provided."
RuntimeError: couldn't find bootloader config file in the image provided.
--------------

any idea how to resolve it?

--0016e6d262f972fdc104b4864b03
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I am trying to install PV guest=A0<b>debian.6-0.gnome.x86.20111008</b> usin=
g <b>pygrub</b> and getting the=A0<b>Error: Boot loader didn&#39;t return a=
ny data!</b><div><b><br></b></div><div>I am running <b>ubuntu 8.2 hardy rel=
ease</b>=A0Kernel=A02.6.24-30-xen=A0and using xen (<b>xen-3.2.1-rc1-pre).</=
b></div>
<div><br></div><div>When I run # xm create -c=A0debian.6-0.gnome.x86.201110=
08.pygrub.cfg</div><div>The=A0=A0/var/log/xen/xend.log showed the following=
 error:</div><div><br></div><div>--------------</div><div><div>[2011-12-20 =
08:35:49 5803] ERROR (XendDomainInfo:89) Domain construction failed</div>
<div>Traceback (most recent call last):</div><div>=A0 File &quot;/usr/lib/p=
ython2.5/site-packages/xen/xend/XendDomainInfo.py&quot;, line 87, in create=
</div><div>=A0 =A0 vm.start()</div><div>=A0 File &quot;/usr/lib/python2.5/s=
ite-packages/xen/xend/XendDomainInfo.py&quot;, line 420, in start</div>
<div>=A0 =A0 XendTask.log_progress(31, 60, self._initDomain)</div><div>=A0 =
File &quot;/usr/lib/python2.5/site-packages/xen/xend/XendTask.py&quot;, lin=
e 209, in log_progress</div><div>=A0 =A0 retval =3D func(*args, **kwds)</di=
v><div>=A0 File &quot;/usr/lib/python2.5/site-packages/xen/xend/XendDomainI=
nfo.py&quot;, line 1724, in _initDomain</div>
<div>=A0 =A0 self._configureBootloader()</div><div>=A0 File &quot;/usr/lib/=
python2.5/site-packages/xen/xend/XendDomainInfo.py&quot;, line 2080, in _co=
nfigureBootloader</div><div>=A0 =A0 bootloader_args, kernel, ramdisk, args)=
</div>
<div>=A0 File &quot;/usr/lib/python2.5/site-packages/xen/xend/XendBootloade=
r.py&quot;, line 172, in bootloader</div><div>=A0 =A0 raise VmError, msg</d=
iv><div>VmError: Boot loader didn&#39;t return any data!</div><div>[2011-12=
-20 08:35:49 5803] DEBUG (XendDomainInfo:1913) XendDomainInfo.destroy: domi=
d=3DNone</div>
<div>[2011-12-20 08:35:49 5803] DEBUG (XendDomainInfo:1930) XendDomainInfo.=
destroyDomain(None)</div><div>[2011-12-20 08:35:49 5803] DEBUG (XendDomainI=
nfo:1553) No device model</div><div>[2011-12-20 08:35:49 5803] DEBUG (XendD=
omainInfo:1555) Releasing devices</div>
</div><div>------------------</div><div><br></div><div>I have also run</div=
><div># pygrub=A0debian.6-0.gnome.x86.20111008.img=A0</div><div>and got the=
 following error:</div><div><br></div><div>___________</div><div><div>=A0de=
bian.6-0.gnome.x86.20111008.img=A0</div>
<div>Traceback (most recent call last):</div><div>=A0 File &quot;/usr/bin/p=
ygrub&quot;, line 653, in &lt;module&gt;</div><div>=A0 =A0 chosencfg =3D ru=
n_grub(file, entry, fs)</div><div>=A0 File &quot;/usr/bin/pygrub&quot;, lin=
e 510, in run_grub</div>
<div>=A0 =A0 g =3D Grub(file, fs)</div><div>=A0 File &quot;/usr/bin/pygrub&=
quot;, line 203, in __init__</div><div>=A0 =A0 self.read_config(file, fs)</=
div><div>=A0 File &quot;/usr/bin/pygrub&quot;, line 393, in read_config</di=
v><div>=A0 =A0 raise RuntimeError, &quot;couldn&#39;t find bootloader confi=
g file in the image provided.&quot;</div>
<div>RuntimeError: couldn&#39;t find bootloader config file in the image pr=
ovided.</div></div><div>--------------</div><div><br></div><div>any idea ho=
w to resolve it?</div>

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Subject: [Xen-users] Error: Boot loader didn't return any data! (ubuntu 8.2
	hardy release)
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I am trying to install PV guest *debian.6-0.gnome.x86.20111008* using *
pygrub* and getting the *Error: Boot loader didn't return any data!*
*
*
I am running *ubuntu 8.2 hardy release* Kernel 2.6.24-30-xen and using xen (
*xen-3.2.1-rc1-pre).*

When I run # xm create -c debian.6-0.gnome.x86.20111008.pygrub.cfg
The  /var/log/xen/xend.log showed the following error:

--------------
[2011-12-20 08:35:49 5803] ERROR (XendDomainInfo:89) Domain construction
failed
Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/xen/xend/XendDomainInfo.py", line
87, in create
    vm.start()
  File "/usr/lib/python2.5/site-packages/xen/xend/XendDomainInfo.py", line
420, in start
    XendTask.log_progress(31, 60, self._initDomain)
  File "/usr/lib/python2.5/site-packages/xen/xend/XendTask.py", line 209,
in log_progress
    retval = func(*args, **kwds)
  File "/usr/lib/python2.5/site-packages/xen/xend/XendDomainInfo.py", line
1724, in _initDomain
    self._configureBootloader()
  File "/usr/lib/python2.5/site-packages/xen/xend/XendDomainInfo.py", line
2080, in _configureBootloader
    bootloader_args, kernel, ramdisk, args)
  File "/usr/lib/python2.5/site-packages/xen/xend/XendBootloader.py", line
172, in bootloader
    raise VmError, msg
VmError: Boot loader didn't return any data!
[2011-12-20 08:35:49 5803] DEBUG (XendDomainInfo:1913)
XendDomainInfo.destroy: domid=None
[2011-12-20 08:35:49 5803] DEBUG (XendDomainInfo:1930)
XendDomainInfo.destroyDomain(None)
[2011-12-20 08:35:49 5803] DEBUG (XendDomainInfo:1553) No device model
[2011-12-20 08:35:49 5803] DEBUG (XendDomainInfo:1555) Releasing devices
------------------

I have also run
# pygrub debian.6-0.gnome.x86.20111008.img
and got the following error:

___________
 debian.6-0.gnome.x86.20111008.img
Traceback (most recent call last):
  File "/usr/bin/pygrub", line 653, in <module>
    chosencfg = run_grub(file, entry, fs)
  File "/usr/bin/pygrub", line 510, in run_grub
    g = Grub(file, fs)
  File "/usr/bin/pygrub", line 203, in __init__
    self.read_config(file, fs)
  File "/usr/bin/pygrub", line 393, in read_config
    raise RuntimeError, "couldn't find bootloader config file in the image
provided."
RuntimeError: couldn't find bootloader config file in the image provided.
--------------

any idea how to resolve it?

--0016e6d262f972fdc104b4864b03
Content-Type: text/html; charset=ISO-8859-1
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I am trying to install PV guest=A0<b>debian.6-0.gnome.x86.20111008</b> usin=
g <b>pygrub</b> and getting the=A0<b>Error: Boot loader didn&#39;t return a=
ny data!</b><div><b><br></b></div><div>I am running <b>ubuntu 8.2 hardy rel=
ease</b>=A0Kernel=A02.6.24-30-xen=A0and using xen (<b>xen-3.2.1-rc1-pre).</=
b></div>
<div><br></div><div>When I run # xm create -c=A0debian.6-0.gnome.x86.201110=
08.pygrub.cfg</div><div>The=A0=A0/var/log/xen/xend.log showed the following=
 error:</div><div><br></div><div>--------------</div><div><div>[2011-12-20 =
08:35:49 5803] ERROR (XendDomainInfo:89) Domain construction failed</div>
<div>Traceback (most recent call last):</div><div>=A0 File &quot;/usr/lib/p=
ython2.5/site-packages/xen/xend/XendDomainInfo.py&quot;, line 87, in create=
</div><div>=A0 =A0 vm.start()</div><div>=A0 File &quot;/usr/lib/python2.5/s=
ite-packages/xen/xend/XendDomainInfo.py&quot;, line 420, in start</div>
<div>=A0 =A0 XendTask.log_progress(31, 60, self._initDomain)</div><div>=A0 =
File &quot;/usr/lib/python2.5/site-packages/xen/xend/XendTask.py&quot;, lin=
e 209, in log_progress</div><div>=A0 =A0 retval =3D func(*args, **kwds)</di=
v><div>=A0 File &quot;/usr/lib/python2.5/site-packages/xen/xend/XendDomainI=
nfo.py&quot;, line 1724, in _initDomain</div>
<div>=A0 =A0 self._configureBootloader()</div><div>=A0 File &quot;/usr/lib/=
python2.5/site-packages/xen/xend/XendDomainInfo.py&quot;, line 2080, in _co=
nfigureBootloader</div><div>=A0 =A0 bootloader_args, kernel, ramdisk, args)=
</div>
<div>=A0 File &quot;/usr/lib/python2.5/site-packages/xen/xend/XendBootloade=
r.py&quot;, line 172, in bootloader</div><div>=A0 =A0 raise VmError, msg</d=
iv><div>VmError: Boot loader didn&#39;t return any data!</div><div>[2011-12=
-20 08:35:49 5803] DEBUG (XendDomainInfo:1913) XendDomainInfo.destroy: domi=
d=3DNone</div>
<div>[2011-12-20 08:35:49 5803] DEBUG (XendDomainInfo:1930) XendDomainInfo.=
destroyDomain(None)</div><div>[2011-12-20 08:35:49 5803] DEBUG (XendDomainI=
nfo:1553) No device model</div><div>[2011-12-20 08:35:49 5803] DEBUG (XendD=
omainInfo:1555) Releasing devices</div>
</div><div>------------------</div><div><br></div><div>I have also run</div=
><div># pygrub=A0debian.6-0.gnome.x86.20111008.img=A0</div><div>and got the=
 following error:</div><div><br></div><div>___________</div><div><div>=A0de=
bian.6-0.gnome.x86.20111008.img=A0</div>
<div>Traceback (most recent call last):</div><div>=A0 File &quot;/usr/bin/p=
ygrub&quot;, line 653, in &lt;module&gt;</div><div>=A0 =A0 chosencfg =3D ru=
n_grub(file, entry, fs)</div><div>=A0 File &quot;/usr/bin/pygrub&quot;, lin=
e 510, in run_grub</div>
<div>=A0 =A0 g =3D Grub(file, fs)</div><div>=A0 File &quot;/usr/bin/pygrub&=
quot;, line 203, in __init__</div><div>=A0 =A0 self.read_config(file, fs)</=
div><div>=A0 File &quot;/usr/bin/pygrub&quot;, line 393, in read_config</di=
v><div>=A0 =A0 raise RuntimeError, &quot;couldn&#39;t find bootloader confi=
g file in the image provided.&quot;</div>
<div>RuntimeError: couldn&#39;t find bootloader config file in the image pr=
ovided.</div></div><div>--------------</div><div><br></div><div>any idea ho=
w to resolve it?</div>

--0016e6d262f972fdc104b4864b03--


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Subject: Re: [Xen-users] Error: Boot loader didn't return any data! (ubuntu
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> I am trying to install PV guest *debian.6-0.gnome.x86.20111008* using
> * pygrub* and getting the *Error: Boot loader didn't return any data!*

This is what I use (pv-grub instead of pygrub):

kernel = "/usr/lib/xen/boot/pv-grub-x86_64.gz"
extra = "(hd0,0)/grub/menu.lst"

- Mark

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> I am trying to install PV guest *debian.6-0.gnome.x86.20111008* using
> * pygrub* and getting the *Error: Boot loader didn't return any data!*

This is what I use (pv-grub instead of pygrub):

kernel = "/usr/lib/xen/boot/pv-grub-x86_64.gz"
extra = "(hd0,0)/grub/menu.lst"

- Mark

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Short update on our issue:

- panic=3D100 does not seem to work with Xen.
- 2.6.38 (Xen patches by gentoo) runs stable with iSCSI!

So it seems to be an issue that occurs since 3.x kernels or it is
something already fixed in gentoo/suse patches that didn't make it
upstream ...

Can you please tell me, what would be the best way to inform developers?
- Where can I post the issue?
- What information will be required?

thx,
- peter.

On Mon, December 19, 2011 21:34, Florian Heigl wrote:
> 2011/12/19 Peter Gansterer <peter.gansterer@paradigma.net>:
>> Hi again,
>>
>> It seems to be somehow iSCSI-related after all.
>> Today's tests showed:
>> - We could not reproduce the crash using NFS only.
>> =A0(Altho it DID crash when copying the system via NFS ... maybe we had
>> =A0 accessed an iSCSI device before and the kernel was left in some
>> =A0 erroneous state).
>> - It still reliably crashes when accessing iSCSI.
>
> Please try setting panic=3D100 on the kernel command line. If you're
> lucky, this will result in a 100 second delay prior to the dom0
> restart.
> But I didn't have success when I tested that. I'm assuming that Xen
> auto-reacts on a dom0 crash. Anyway, please give it a try.
>
> As to your actual problem: Sorry. no idea.
>


-- =

Peter Gansterer

PARADIGMA Unternehmensberatung GmbH
Mariahilferstra=DFe 47/1/3
A-1060 Wien
Tel: 0043-(0)1-585 49 72
http://www.paradigma.net

Firmenbuchnummer: FN 134564 p
Rechtsform: GmbH
Firmenbuchgericht: Handelsgericht Wien


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Subject: Re: [Xen-users] Ethernet/iSCSI related System Crash (Xen dom0).
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Short update on our issue:

- panic=3D100 does not seem to work with Xen.
- 2.6.38 (Xen patches by gentoo) runs stable with iSCSI!

So it seems to be an issue that occurs since 3.x kernels or it is
something already fixed in gentoo/suse patches that didn't make it
upstream ...

Can you please tell me, what would be the best way to inform developers?
- Where can I post the issue?
- What information will be required?

thx,
- peter.

On Mon, December 19, 2011 21:34, Florian Heigl wrote:
> 2011/12/19 Peter Gansterer <peter.gansterer@paradigma.net>:
>> Hi again,
>>
>> It seems to be somehow iSCSI-related after all.
>> Today's tests showed:
>> - We could not reproduce the crash using NFS only.
>> =A0(Altho it DID crash when copying the system via NFS ... maybe we had
>> =A0 accessed an iSCSI device before and the kernel was left in some
>> =A0 erroneous state).
>> - It still reliably crashes when accessing iSCSI.
>
> Please try setting panic=3D100 on the kernel command line. If you're
> lucky, this will result in a 100 second delay prior to the dom0
> restart.
> But I didn't have success when I tested that. I'm assuming that Xen
> auto-reacts on a dom0 crash. Anyway, please give it a try.
>
> As to your actual problem: Sorry. no idea.
>


-- =

Peter Gansterer

PARADIGMA Unternehmensberatung GmbH
Mariahilferstra=DFe 47/1/3
A-1060 Wien
Tel: 0043-(0)1-585 49 72
http://www.paradigma.net

Firmenbuchnummer: FN 134564 p
Rechtsform: GmbH
Firmenbuchgericht: Handelsgericht Wien


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Subject: Re: [Xen-users] How to make image of existing windows 7
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You have a native hardware install and you want to convert it to virtual 
image?
I haven't tried that with Windows 7.  If like WinXP, then I assume the 
following are required:
1. Enable intelide driver and associated pieces in registry.  I don't 
recall the specifics but I do remember finding these instructions for 
Vista and WinXP by using Google.  I think this is the driver for the 
virtual hardware exposed by HVM.
2. You can shrink a NTFS volume with ntfsresize.  Standard precautions 
in the form of a backup apply.  You may need to use jkdefrag when 
Windows is running to make free space at the end of the volume.  
Following the ntfsresize you need to adjust the partition.  There are 
instructions out there if you are unfamiliar with the process.


On 2011-12-20 05:16, xen-users-request@lists.xensource.com wrote:
> Date: Tue, 20 Dec 2011 11:16:08 +0100
> From: Artur Fejklowicz<admin@artur.krakow.pl>
>
> I would like to know how to prepare windows 7 image so I could run it
> under Xen.
> Windows 7 is on 250GB /dev/sda1 seen by my hypervisor and it occupies 70GB.
> Is there a method to make image only this 70GB plus for example 10GB
> additional free space?


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Subject: Re: [Xen-users] How to make image of existing windows 7
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You have a native hardware install and you want to convert it to virtual 
image?
I haven't tried that with Windows 7.  If like WinXP, then I assume the 
following are required:
1. Enable intelide driver and associated pieces in registry.  I don't 
recall the specifics but I do remember finding these instructions for 
Vista and WinXP by using Google.  I think this is the driver for the 
virtual hardware exposed by HVM.
2. You can shrink a NTFS volume with ntfsresize.  Standard precautions 
in the form of a backup apply.  You may need to use jkdefrag when 
Windows is running to make free space at the end of the volume.  
Following the ntfsresize you need to adjust the partition.  There are 
instructions out there if you are unfamiliar with the process.


On 2011-12-20 05:16, xen-users-request@lists.xensource.com wrote:
> Date: Tue, 20 Dec 2011 11:16:08 +0100
> From: Artur Fejklowicz<admin@artur.krakow.pl>
>
> I would like to know how to prepare windows 7 image so I could run it
> under Xen.
> Windows 7 is on 250GB /dev/sda1 seen by my hypervisor and it occupies 70GB.
> Is there a method to make image only this 70GB plus for example 10GB
> additional free space?


_______________________________________________
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Subject: Re: [Xen-users] Problem booting xen 4.1.2 on Athlon 64 X2
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Ok, I setup a serial so I can, give you a full copy of output (also=20
added some debug options I found)

   Booting a command list

Loading Xen 4.1.2 ...
Loading Linux x86_64-3.1.5-gentoo ...
Loading initial ramdisk ...
  __  __            _  _    _   ____
  \ \/ /___ _ __   | || |  / | |___ \
   \  // _ \ '_ \  | || |_ | |   __) |
   /  \  __/ | | | |__   _|| |_ / __/
  /_/\_\___|_| |_|    |_|(_)_(_)_____|

(XEN) Xen version 4.1.2 (@) (gcc-Version 4.6.2 (Gentoo 4.6.2 p1.0,=20
pie-0.4.5) ) Thu Dec 15 17:51:19 CET 2011
(XEN) Latest ChangeSet: unavailable
(XEN) Console output is synchronous.
(XEN) Bootloader: GRUB 1.99
(XEN) Command line: placeholder sync_console console_to_ring=20
com1=3D115200,8n1 console=3Dcom1,vga loglvl=3Dall lapic=3Ddebug=20
apic_verbosity=3Ddebug apic=3Ddebug
(XEN) Video information:
(XEN)  VGA is text mode 80x25, font 8x16
(XEN)  VBE/DDC methods: none; EDID transfer time: 0 seconds
(XEN)  EDID info not retrieved because no DDC retrieval method detected
(XEN) Disc information:
(XEN)  Found 1 MBR signatures
(XEN)  Found 1 EDD information structures
(XEN) Xen-e820 RAM map:
(XEN)  0000000000000000 - 000000000009fc00 (usable)
(XEN)  000000000009fc00 - 00000000000a0000 (reserved)
(XEN)  00000000000e0000 - 0000000000100000 (reserved)
(XEN)  0000000000100000 - 00000000bffc0000 (usable)
(XEN)  00000000bffc0000 - 00000000bffce000 (ACPI data)
(XEN)  00000000bffce000 - 00000000bfff0000 (ACPI NVS)
(XEN)  00000000bfff0000 - 00000000c0000000 (reserved)
(XEN)  00000000fec00000 - 00000000fec01000 (reserved)
(XEN)  00000000fee00000 - 00000000fef00000 (reserved)
(XEN)  00000000ff780000 - 0000000100000000 (reserved)
(XEN)  0000000100000000 - 0000000140000000 (usable)
(XEN) ACPI: RSDP 000FB840, 0024 (r2 ACPIAM)
(XEN) ACPI: XSDT BFFC0100, 004C (r1 A_M_I_ OEMXSDT   3000826 MSFT       9=
7)
(XEN) ACPI: FACP BFFC0290, 00F4 (r3 A_M_I_ OEMFACP   3000826 MSFT       9=
7)
(XEN) ACPI: DSDT BFFC05C0, 4E38 (r1  A0557 A0557000        0 INTL 2005111=
7)
(XEN) ACPI: FACS BFFCE000, 0040
(XEN) ACPI: APIC BFFC0390, 0070 (r1 A_M_I_ OEMAPIC   3000826 MSFT       9=
7)
(XEN) ACPI: MCFG BFFC0400, 003C (r1 A_M_I_ OEMMCFG   3000826 MSFT       9=
7)
(XEN) ACPI: OEMB BFFCE040, 0060 (r1 A_M_I_ AMI_OEM   3000826 MSFT       9=
7)
(XEN) ACPI: HPET BFFC5400, 0038 (r1 A_M_I_ OEMHPET0  3000826 MSFT       9=
7)
(XEN) System RAM: 4095MB (4193660kB)
(XEN) No NUMA configuration found
(XEN) Faking a node at 0000000000000000-0000000140000000
(XEN) Domain heap initialised
(XEN) found SMP MP-table at 000ff780
(XEN) DMI present.
(XEN) APIC boot state is 'xapic'
(XEN) Using APIC driver default
(XEN) ACPI: PM-Timer IO Port: 0x508
(XEN) ACPI: ACPI SLEEP INFO: pm1x_cnt[504,0], pm1x_evt[500,0]
(XEN) ACPI:                  wakeup_vec[bffce00c], vec_size[20]
(XEN) ACPI: Local APIC address 0xfee00000
(XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
(XEN) Processor #0 15:3 APIC version 16
(XEN) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
(XEN) Processor #1 15:3 APIC version 16
(XEN) ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])
(XEN) IOAPIC[0]: apic_id 2, version 17, address 0xfec00000, GSI 0-23
(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 0 dfl dfl)
(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 14 global_irq 14 high edge)
(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 15 global_irq 15 high edge)
(XEN) ACPI: IRQ0 used by override.
(XEN) ACPI: IRQ9 used by override.
(XEN) ACPI: IRQ14 used by override.
(XEN) ACPI: IRQ15 used by override.
(XEN) Enabling APIC mode:  Flat.  Using 1 I/O APICs
(XEN) ACPI: HPET id: 0x10de8201 base: 0xfed00000
(XEN) PCI: MCFG configuration 0: base e0000000 segment 0 buses 0 - 255
(XEN) PCI: Not using MMCONFIG.
(XEN) Table is not found!
(XEN) Using ACPI (MADT) for SMP configuration information
(XEN) mapped APIC to ffff82c3ffffe000 (fee00000)
(XEN) mapped IOAPIC to ffff82c3ffffd000 (fec00000)
(XEN) IRQ limits: 24 GSI, 376 MSI/MSI-X
(XEN) Using scheduler: SMP Credit Scheduler (credit)
(XEN) Detected 2611.867 MHz processor.
(XEN) Initing memory sharing.
(XEN) AMD K8 machine check reporting enabled
(XEN) AMD-Vi: IOMMU not found!
(XEN) I/O virtualisation disabled
(XEN) Getting VERSION: 80050010
(XEN) Getting VERSION: 80050010
(XEN) Getting ID: 0
(XEN) Getting LVT0: 700
(XEN) Getting LVT1: 400
(XEN) enabled ExtINT on CPU#0
(XEN) ESR value before enabling vector: 0x00000004  after: 0x00000000
(XEN) ENABLING IO-APIC IRQs
(XEN)  -> Using new ACK method
(XEN) init IO_APIC IRQs
(XEN)  IO-APIC (apicid-pin) 2-16, 2-17, 2-18, 2-19, 2-20, 2-21, 2-22,=20
2-23 not connected.
(XEN) ..TIMER: vector=3D0xF0 apic1=3D0 pin1=3D0 apic2=3D-1 pin2=3D-1
(XEN) ..MP-BIOS bug: 8254 timer not connected to IO-APIC
(XEN) ...trying to set up timer (IRQ0) through the 8259A ...  failed.
(XEN) ...trying to set up timer as Virtual Wire IRQ... failed.
(XEN) ...trying to set up timer as ExtINT IRQ... failed :(.
(XEN)
(XEN) ****************************************
(XEN) Panic on CPU 0:
(XEN) IO-APIC + timer doesn't work!  Boot with apic_verbosity=3Ddebug and=
=20
send a report.  Then try booting with the 'noapic'=20
option****************************************
(XEN)
(XEN) Reboot in five seconds...



Am 20.12.2011 12:01, schrieb Florian Manschwetus:
> Adding apic_verbosity=3Ddebug gives me that (hope nothing miss-typed as=
 I
> have no serial console on this box). I found a lot of suggested
> workarounds:
> - noapic as suggested in output gives an noapic isn't support
> - acpi_skip_timer_override has no effect at all
>
> Thx,
> Florian
>
> (XEN) Initing memory sharing.
> (XEN) AMD-Vi: IOMMU not found!
> (XEN) I/O virtualisation disabled
> (XEN) Getting VERSION: 8005010
> (XEN) Getting VERSION: 8005010
> (XEN) Getting ID: 0
> (XEN) Getting LVT0: 700
> (XEN) Getting LVT1: 400
> (XEN) enabled ExtINT on CPU#0
> (XEN) ESR value before enabling vector: 0x00000004 after: 0x0000000
> (XEN) ENABLING IO-APIC IRQs
> (XEN) -> Using new ACK method
> (XEN) ..MP-BIOS bug: 8254 timer not connected to IO-APIC
> (XEN)
> (XEN) *****************************************************
> (XEN) Panic on CPU 0:
> (XEN) IO-APIC + timer doesn't work! Boot with apic_verbosity=3Ddebug an=
d
> send a report. Then try booting with hte 'noapic'
> option****************************
>
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users



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_______________________________________________
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--===============9016468498658545761==--


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Date: Tue, 20 Dec 2011 16:56:36 +0100
From: Florian Manschwetus <florianmanschwetus@gmx.de>
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Subject: Re: [Xen-users] Problem booting xen 4.1.2 on Athlon 64 X2
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Ok, I setup a serial so I can, give you a full copy of output (also=20
added some debug options I found)

   Booting a command list

Loading Xen 4.1.2 ...
Loading Linux x86_64-3.1.5-gentoo ...
Loading initial ramdisk ...
  __  __            _  _    _   ____
  \ \/ /___ _ __   | || |  / | |___ \
   \  // _ \ '_ \  | || |_ | |   __) |
   /  \  __/ | | | |__   _|| |_ / __/
  /_/\_\___|_| |_|    |_|(_)_(_)_____|

(XEN) Xen version 4.1.2 (@) (gcc-Version 4.6.2 (Gentoo 4.6.2 p1.0,=20
pie-0.4.5) ) Thu Dec 15 17:51:19 CET 2011
(XEN) Latest ChangeSet: unavailable
(XEN) Console output is synchronous.
(XEN) Bootloader: GRUB 1.99
(XEN) Command line: placeholder sync_console console_to_ring=20
com1=3D115200,8n1 console=3Dcom1,vga loglvl=3Dall lapic=3Ddebug=20
apic_verbosity=3Ddebug apic=3Ddebug
(XEN) Video information:
(XEN)  VGA is text mode 80x25, font 8x16
(XEN)  VBE/DDC methods: none; EDID transfer time: 0 seconds
(XEN)  EDID info not retrieved because no DDC retrieval method detected
(XEN) Disc information:
(XEN)  Found 1 MBR signatures
(XEN)  Found 1 EDD information structures
(XEN) Xen-e820 RAM map:
(XEN)  0000000000000000 - 000000000009fc00 (usable)
(XEN)  000000000009fc00 - 00000000000a0000 (reserved)
(XEN)  00000000000e0000 - 0000000000100000 (reserved)
(XEN)  0000000000100000 - 00000000bffc0000 (usable)
(XEN)  00000000bffc0000 - 00000000bffce000 (ACPI data)
(XEN)  00000000bffce000 - 00000000bfff0000 (ACPI NVS)
(XEN)  00000000bfff0000 - 00000000c0000000 (reserved)
(XEN)  00000000fec00000 - 00000000fec01000 (reserved)
(XEN)  00000000fee00000 - 00000000fef00000 (reserved)
(XEN)  00000000ff780000 - 0000000100000000 (reserved)
(XEN)  0000000100000000 - 0000000140000000 (usable)
(XEN) ACPI: RSDP 000FB840, 0024 (r2 ACPIAM)
(XEN) ACPI: XSDT BFFC0100, 004C (r1 A_M_I_ OEMXSDT   3000826 MSFT       9=
7)
(XEN) ACPI: FACP BFFC0290, 00F4 (r3 A_M_I_ OEMFACP   3000826 MSFT       9=
7)
(XEN) ACPI: DSDT BFFC05C0, 4E38 (r1  A0557 A0557000        0 INTL 2005111=
7)
(XEN) ACPI: FACS BFFCE000, 0040
(XEN) ACPI: APIC BFFC0390, 0070 (r1 A_M_I_ OEMAPIC   3000826 MSFT       9=
7)
(XEN) ACPI: MCFG BFFC0400, 003C (r1 A_M_I_ OEMMCFG   3000826 MSFT       9=
7)
(XEN) ACPI: OEMB BFFCE040, 0060 (r1 A_M_I_ AMI_OEM   3000826 MSFT       9=
7)
(XEN) ACPI: HPET BFFC5400, 0038 (r1 A_M_I_ OEMHPET0  3000826 MSFT       9=
7)
(XEN) System RAM: 4095MB (4193660kB)
(XEN) No NUMA configuration found
(XEN) Faking a node at 0000000000000000-0000000140000000
(XEN) Domain heap initialised
(XEN) found SMP MP-table at 000ff780
(XEN) DMI present.
(XEN) APIC boot state is 'xapic'
(XEN) Using APIC driver default
(XEN) ACPI: PM-Timer IO Port: 0x508
(XEN) ACPI: ACPI SLEEP INFO: pm1x_cnt[504,0], pm1x_evt[500,0]
(XEN) ACPI:                  wakeup_vec[bffce00c], vec_size[20]
(XEN) ACPI: Local APIC address 0xfee00000
(XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
(XEN) Processor #0 15:3 APIC version 16
(XEN) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
(XEN) Processor #1 15:3 APIC version 16
(XEN) ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])
(XEN) IOAPIC[0]: apic_id 2, version 17, address 0xfec00000, GSI 0-23
(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 0 dfl dfl)
(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 14 global_irq 14 high edge)
(XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 15 global_irq 15 high edge)
(XEN) ACPI: IRQ0 used by override.
(XEN) ACPI: IRQ9 used by override.
(XEN) ACPI: IRQ14 used by override.
(XEN) ACPI: IRQ15 used by override.
(XEN) Enabling APIC mode:  Flat.  Using 1 I/O APICs
(XEN) ACPI: HPET id: 0x10de8201 base: 0xfed00000
(XEN) PCI: MCFG configuration 0: base e0000000 segment 0 buses 0 - 255
(XEN) PCI: Not using MMCONFIG.
(XEN) Table is not found!
(XEN) Using ACPI (MADT) for SMP configuration information
(XEN) mapped APIC to ffff82c3ffffe000 (fee00000)
(XEN) mapped IOAPIC to ffff82c3ffffd000 (fec00000)
(XEN) IRQ limits: 24 GSI, 376 MSI/MSI-X
(XEN) Using scheduler: SMP Credit Scheduler (credit)
(XEN) Detected 2611.867 MHz processor.
(XEN) Initing memory sharing.
(XEN) AMD K8 machine check reporting enabled
(XEN) AMD-Vi: IOMMU not found!
(XEN) I/O virtualisation disabled
(XEN) Getting VERSION: 80050010
(XEN) Getting VERSION: 80050010
(XEN) Getting ID: 0
(XEN) Getting LVT0: 700
(XEN) Getting LVT1: 400
(XEN) enabled ExtINT on CPU#0
(XEN) ESR value before enabling vector: 0x00000004  after: 0x00000000
(XEN) ENABLING IO-APIC IRQs
(XEN)  -> Using new ACK method
(XEN) init IO_APIC IRQs
(XEN)  IO-APIC (apicid-pin) 2-16, 2-17, 2-18, 2-19, 2-20, 2-21, 2-22,=20
2-23 not connected.
(XEN) ..TIMER: vector=3D0xF0 apic1=3D0 pin1=3D0 apic2=3D-1 pin2=3D-1
(XEN) ..MP-BIOS bug: 8254 timer not connected to IO-APIC
(XEN) ...trying to set up timer (IRQ0) through the 8259A ...  failed.
(XEN) ...trying to set up timer as Virtual Wire IRQ... failed.
(XEN) ...trying to set up timer as ExtINT IRQ... failed :(.
(XEN)
(XEN) ****************************************
(XEN) Panic on CPU 0:
(XEN) IO-APIC + timer doesn't work!  Boot with apic_verbosity=3Ddebug and=
=20
send a report.  Then try booting with the 'noapic'=20
option****************************************
(XEN)
(XEN) Reboot in five seconds...



Am 20.12.2011 12:01, schrieb Florian Manschwetus:
> Adding apic_verbosity=3Ddebug gives me that (hope nothing miss-typed as=
 I
> have no serial console on this box). I found a lot of suggested
> workarounds:
> - noapic as suggested in output gives an noapic isn't support
> - acpi_skip_timer_override has no effect at all
>
> Thx,
> Florian
>
> (XEN) Initing memory sharing.
> (XEN) AMD-Vi: IOMMU not found!
> (XEN) I/O virtualisation disabled
> (XEN) Getting VERSION: 8005010
> (XEN) Getting VERSION: 8005010
> (XEN) Getting ID: 0
> (XEN) Getting LVT0: 700
> (XEN) Getting LVT1: 400
> (XEN) enabled ExtINT on CPU#0
> (XEN) ESR value before enabling vector: 0x00000004 after: 0x0000000
> (XEN) ENABLING IO-APIC IRQs
> (XEN) -> Using new ACK method
> (XEN) ..MP-BIOS bug: 8254 timer not connected to IO-APIC
> (XEN)
> (XEN) *****************************************************
> (XEN) Panic on CPU 0:
> (XEN) IO-APIC + timer doesn't work! Boot with apic_verbosity=3Ddebug an=
d
> send a report. Then try booting with hte 'noapic'
> option****************************
>
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users



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Date: Tue, 20 Dec 2011 20:28:34 +0330
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To: xen-users@lists.xensource.com
Subject: [Xen-users] Xen Networking
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I am using a 2.6.35 domU guest on a 2.6.32 dom0 and a 4.0.1 Xen
hypervisor. Using netperf with UDP_RR I get 1819 and 622 transaction
per second for domU and dom0 respectively, but in UDP_STREAM test domU
is showing a better throughput for all packet sizes (on average around
3Mbps better, on a 10/100 network with around 96Mbps maximum native
throuput). Is it normal or I am missing something?

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I am using a 2.6.35 domU guest on a 2.6.32 dom0 and a 4.0.1 Xen
hypervisor. Using netperf with UDP_RR I get 1819 and 622 transaction
per second for domU and dom0 respectively, but in UDP_STREAM test domU
is showing a better throughput for all packet sizes (on average around
3Mbps better, on a 10/100 network with around 96Mbps maximum native
throuput). Is it normal or I am missing something?

_______________________________________________
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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256





Mohammad Hedayati <hedayati.mo@gmail.com> schrieb:

>I am using a 2.6.35 domU guest on a 2.6.32 dom0 and a 4.0.1 Xen
>hypervisor. Using netperf with UDP_RR I get 1819 and 622 transaction
>per second for domU and dom0 respectively, but in UDP_STREAM test domU
>is showing a better throughput for all packet sizes (on average around
>3Mbps better, on a 10/100 network with around 96Mbps maximum native
>throuput). Is it normal or I am missing something?

This could be completely normal but depend from your Dom0 and DomU configurations. One reason might be the newe kernel, but even configurations of i.e. buffers, xen RAM and CPU ressouces may affect there.


cheers


Niels.
- --
Niels Dettenbach
Syndicat IT&Internet
http://www.syndicat.com
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To: Mohammad Hedayati <hedayati.mo@gmail.com>,xen-users@lists.xensource.com
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Mohammad Hedayati <hedayati.mo@gmail.com> schrieb:

>I am using a 2.6.35 domU guest on a 2.6.32 dom0 and a 4.0.1 Xen
>hypervisor. Using netperf with UDP_RR I get 1819 and 622 transaction
>per second for domU and dom0 respectively, but in UDP_STREAM test domU
>is showing a better throughput for all packet sizes (on average around
>3Mbps better, on a 10/100 network with around 96Mbps maximum native
>throuput). Is it normal or I am missing something?

This could be completely normal but depend from your Dom0 and DomU configurations. One reason might be the newe kernel, but even configurations of i.e. buffers, xen RAM and CPU ressouces may affect there.


cheers


Niels.
- --
Niels Dettenbach
Syndicat IT&Internet
http://www.syndicat.com
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Subject: [Xen-users] pbd-plug failing when attaching an SR that was
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Any troubleshooting steps I can follow to get this SR attached again?  Has
anyone seen this error before?

 

xe pbd-plug uuid=b804d322-c501-6b59-fb7e-b6612042535c
There was an SR backend failure.
status: non-zero exit
stdout:
stderr: Traceback (most recent call last):
  File "/opt/xensource/sm/LVMSR", line 1446, in ?
    SRCommand.run(LVHDSR, DRIVER_INFO)
  File "/opt/xensource/sm/SRCommand.py", line 246, in run
    ret = cmd.run(sr)
  File "/opt/xensource/sm/SRCommand.py", line 94, in run
    return self._run_locked(sr)
  File "/opt/xensource/sm/SRCommand.py", line 131, in _run_locked
    return self._run(sr, target)
  File "/opt/xensource/sm/SRCommand.py", line 223, in _run
    return sr.attach(self.params['sr_uuid'])
  File "/opt/xensource/sm/LVMSR", line 308, in attach
    self._checkMetadataVolume(self.sm_config)
  File "/opt/xensource/sm/LVMSR", line 200, in _checkMetadataVolume
    self._synchMetaData(map)
  File "/opt/xensource/sm/LVMSR", line 210, in _synchMetaData
    xml = metadata.retrieveXMLfromFile(self.mdpath)
  File "/opt/xensource/sm/metadata.py", line 103, in retrieveXMLfromFile
    _testHdr(hdr)
  File "/opt/xensource/sm/metadata.py", line 41, in _testHdr
    assert(hdr[2] <= MD_MAJOR)
AssertionError

 


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vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span =
lang=3DEN-US>Any troubleshooting steps I can follow to get this SR =
attached again?&nbsp; Has anyone seen this error =
before?<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><div =
style=3D'mso-element:para-border-div;border:solid #DADADA =
1.0pt;padding:2.0pt 2.0pt 2.0pt =
0cm;background:white;margin-left:19.2pt;margin-right:12.0pt'><p =
class=3DMsoNormal =
style=3D'mso-margin-top-alt:12.0pt;margin-right:0cm;margin-bottom:12.0pt;=
margin-left:0cm;background:white;border:none;padding:0cm'><span =
style=3D'font-size:10.0pt;font-family:"Courier =
New";color:#484848;mso-fareast-language:EN-CA'>xe pbd-plug =
uuid=3Db804d322-c501-6b59-fb7e-b6612042535c<br>There was an SR backend =
failure.<br>status: non-zero exit<br>stdout:<br>stderr: Traceback (most =
recent call last):<br>&nbsp; File &quot;/opt/xensource/sm/LVMSR&quot;, =
line 1446, in ?<br>&nbsp;&nbsp;&nbsp; SRCommand.run(LVHDSR, =
DRIVER_INFO)<br>&nbsp; File &quot;/opt/xensource/sm/SRCommand.py&quot;, =
line 246, in run<br>&nbsp;&nbsp;&nbsp; ret =3D cmd.run(sr)<br>&nbsp; =
File &quot;/opt/xensource/sm/SRCommand.py&quot;, line 94, in =
run<br>&nbsp;&nbsp;&nbsp; return self._run_locked(sr)<br>&nbsp; File =
&quot;/opt/xensource/sm/SRCommand.py&quot;, line 131, in =
_run_locked<br>&nbsp;&nbsp;&nbsp; return self._run(sr, target)<br>&nbsp; =
File &quot;/opt/xensource/sm/SRCommand.py&quot;, line 223, in =
_run<br>&nbsp;&nbsp;&nbsp; return =
sr.attach(self.params['sr_uuid'])<br>&nbsp; File =
&quot;/opt/xensource/sm/LVMSR&quot;, line 308, in =
attach<br>&nbsp;&nbsp;&nbsp; =
self._checkMetadataVolume(self.sm_config)<br>&nbsp; File =
&quot;/opt/xensource/sm/LVMSR&quot;, line 200, in =
_checkMetadataVolume<br>&nbsp;&nbsp;&nbsp; =
self._synchMetaData(map)<br>&nbsp; File =
&quot;/opt/xensource/sm/LVMSR&quot;, line 210, in =
_synchMetaData<br>&nbsp;&nbsp;&nbsp; xml =3D =
metadata.retrieveXMLfromFile(self.mdpath)<br>&nbsp; File =
&quot;/opt/xensource/sm/metadata.py&quot;, line 103, in =
retrieveXMLfromFile<br>&nbsp;&nbsp;&nbsp; _testHdr(hdr)<br>&nbsp; File =
&quot;/opt/xensource/sm/metadata.py&quot;, line 41, in =
_testHdr<br>&nbsp;&nbsp;&nbsp; assert(hdr[2] &lt;=3D =
MD_MAJOR)<br>AssertionError</span><span =
style=3D'font-size:9.0pt;font-family:"Courier =
New";color:#484848;mso-fareast-language:EN-CA'><o:p></o:p></span></p></di=
v><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div></body></html>=

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I am using a 2.6.35 domU guest on a 2.6.32 dom0 and a 4.0.1 Xen
hypervisor. Using netperf with UDP_RR I get 1819 and 622 transaction
per second for domU and dom0 respectively, but in UDP_STREAM test domU
is showing a better throughput for all packet sizes (on average around
3Mbps better, on a 10/100 network with around 96Mbps average native
throuput). Is it normal or I am missing something?

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Date: Tue, 20 Dec 2011 04:05:25 +0330
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Subject: [Xen-users] domU has a better networking than dom0
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I am using a 2.6.35 domU guest on a 2.6.32 dom0 and a 4.0.1 Xen
hypervisor. Using netperf with UDP_RR I get 1819 and 622 transaction
per second for domU and dom0 respectively, but in UDP_STREAM test domU
is showing a better throughput for all packet sizes (on average around
3Mbps better, on a 10/100 network with around 96Mbps average native
throuput). Is it normal or I am missing something?

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Any troubleshooting steps I can follow to get this SR attached again?  Has
anyone seen this error before?

 

xe pbd-plug uuid=b804d322-c501-6b59-fb7e-b6612042535c
There was an SR backend failure.
status: non-zero exit
stdout:
stderr: Traceback (most recent call last):
  File "/opt/xensource/sm/LVMSR", line 1446, in ?
    SRCommand.run(LVHDSR, DRIVER_INFO)
  File "/opt/xensource/sm/SRCommand.py", line 246, in run
    ret = cmd.run(sr)
  File "/opt/xensource/sm/SRCommand.py", line 94, in run
    return self._run_locked(sr)
  File "/opt/xensource/sm/SRCommand.py", line 131, in _run_locked
    return self._run(sr, target)
  File "/opt/xensource/sm/SRCommand.py", line 223, in _run
    return sr.attach(self.params['sr_uuid'])
  File "/opt/xensource/sm/LVMSR", line 308, in attach
    self._checkMetadataVolume(self.sm_config)
  File "/opt/xensource/sm/LVMSR", line 200, in _checkMetadataVolume
    self._synchMetaData(map)
  File "/opt/xensource/sm/LVMSR", line 210, in _synchMetaData
    xml = metadata.retrieveXMLfromFile(self.mdpath)
  File "/opt/xensource/sm/metadata.py", line 103, in retrieveXMLfromFile
    _testHdr(hdr)
  File "/opt/xensource/sm/metadata.py", line 41, in _testHdr
    assert(hdr[2] <= MD_MAJOR)
AssertionError

 


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<o:idmap v:ext=3D"edit" data=3D"1" />
</o:shapelayout></xml><![endif]--></head><body lang=3DEN-CA link=3Dblue =
vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span =
lang=3DEN-US>Any troubleshooting steps I can follow to get this SR =
attached again?&nbsp; Has anyone seen this error =
before?<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p><div =
style=3D'mso-element:para-border-div;border:solid #DADADA =
1.0pt;padding:2.0pt 2.0pt 2.0pt =
0cm;background:white;margin-left:19.2pt;margin-right:12.0pt'><p =
class=3DMsoNormal =
style=3D'mso-margin-top-alt:12.0pt;margin-right:0cm;margin-bottom:12.0pt;=
margin-left:0cm;background:white;border:none;padding:0cm'><span =
style=3D'font-size:10.0pt;font-family:"Courier =
New";color:#484848;mso-fareast-language:EN-CA'>xe pbd-plug =
uuid=3Db804d322-c501-6b59-fb7e-b6612042535c<br>There was an SR backend =
failure.<br>status: non-zero exit<br>stdout:<br>stderr: Traceback (most =
recent call last):<br>&nbsp; File &quot;/opt/xensource/sm/LVMSR&quot;, =
line 1446, in ?<br>&nbsp;&nbsp;&nbsp; SRCommand.run(LVHDSR, =
DRIVER_INFO)<br>&nbsp; File &quot;/opt/xensource/sm/SRCommand.py&quot;, =
line 246, in run<br>&nbsp;&nbsp;&nbsp; ret =3D cmd.run(sr)<br>&nbsp; =
File &quot;/opt/xensource/sm/SRCommand.py&quot;, line 94, in =
run<br>&nbsp;&nbsp;&nbsp; return self._run_locked(sr)<br>&nbsp; File =
&quot;/opt/xensource/sm/SRCommand.py&quot;, line 131, in =
_run_locked<br>&nbsp;&nbsp;&nbsp; return self._run(sr, target)<br>&nbsp; =
File &quot;/opt/xensource/sm/SRCommand.py&quot;, line 223, in =
_run<br>&nbsp;&nbsp;&nbsp; return =
sr.attach(self.params['sr_uuid'])<br>&nbsp; File =
&quot;/opt/xensource/sm/LVMSR&quot;, line 308, in =
attach<br>&nbsp;&nbsp;&nbsp; =
self._checkMetadataVolume(self.sm_config)<br>&nbsp; File =
&quot;/opt/xensource/sm/LVMSR&quot;, line 200, in =
_checkMetadataVolume<br>&nbsp;&nbsp;&nbsp; =
self._synchMetaData(map)<br>&nbsp; File =
&quot;/opt/xensource/sm/LVMSR&quot;, line 210, in =
_synchMetaData<br>&nbsp;&nbsp;&nbsp; xml =3D =
metadata.retrieveXMLfromFile(self.mdpath)<br>&nbsp; File =
&quot;/opt/xensource/sm/metadata.py&quot;, line 103, in =
retrieveXMLfromFile<br>&nbsp;&nbsp;&nbsp; _testHdr(hdr)<br>&nbsp; File =
&quot;/opt/xensource/sm/metadata.py&quot;, line 41, in =
_testHdr<br>&nbsp;&nbsp;&nbsp; assert(hdr[2] &lt;=3D =
MD_MAJOR)<br>AssertionError</span><span =
style=3D'font-size:9.0pt;font-family:"Courier =
New";color:#484848;mso-fareast-language:EN-CA'><o:p></o:p></span></p></di=
v><p class=3DMsoNormal><span =
lang=3DEN-US><o:p>&nbsp;</o:p></span></p></div></body></html>=

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Hi, I am new to XCP.
I have already installed the XCP on my host, and created VMs successfully with Xen Center. 
But the problem is, i can not see the VM's Graphic Display such as Windows XP on my host(which installed the XCP) 

I want to know, is there any method that I can see the VM's Graphic Display on the host(which installed the XCP).

Please give me some help. thanks.
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Hello everyone,

We are trying to set up a Xen System based on the latest stable vanilla
Linux Kernel (3.1.5) and hypervisor & tools (4.1.2).

When starting to test with the iSCSI target, we experienced (reproducable)
system crashes and immediate reboots in the initiator System (Xen dom0).

When afterwards trying to copy the domU System to a local disk drive, the
same crash happened ... so it's probably not really iSCSI related.

Some facts:
- crash during network IO.
  It happens reliably - just within minutes of using either iSCSI or NFS
- The whole system crashes and reboots.
  We can see there is a stacktrace on screen, but it's too quick to read.
- It happens in dom0. No domU needs to run to reproduce it.
- We tried with noacpi, nolapic - with the same result.
- When booting the same kernel without hypervisor it runs stable!
- The crash is reproducible on 2 different amd64 machines (see below).
- We are still using xm and xend (but that should not make any
  difference, since we don't start a single domU).
- The iSCSI target is LIO (Linux 3.1.5) with 4k blocksize.
- MTU 9000
- The Xen system seems to run stable without NFS or iSCSI access!

Hardware:
Tested on 2 machines:
- AMD Athlon(tm) 64 Processor 2800+
  on Asus K8V
    Marvell 88E8001 Gigabit Ethernet (rev 13)
- AMD Athlon(tm) 64 Processor 3700+
  on Asus A8N-E (nforce4)
    nVidia CK804 Ethernet (rev a3)
  as well as:
    Intel 82571EB Gigabit Ethernet (rev 06)

We are testing on a gentoo system, but installed xen tools and hypervisor
from source, as well as the linux kernel.

We don't have any experience in kernel debugging - so I don't know if
there is a chance to grab the stack trace in any way.

Any suggestions about what we can do to get this thing stable? Or rather
on how or what to test to so we can provide more usable information?

Thanks in advance,
- peter.





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Subject: [Xen-users] Ethernet/iSCSI related System Crash (Xen dom0).
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Hello everyone,

We are trying to set up a Xen System based on the latest stable vanilla
Linux Kernel (3.1.5) and hypervisor & tools (4.1.2).

When starting to test with the iSCSI target, we experienced (reproducable)
system crashes and immediate reboots in the initiator System (Xen dom0).

When afterwards trying to copy the domU System to a local disk drive, the
same crash happened ... so it's probably not really iSCSI related.

Some facts:
- crash during network IO.
  It happens reliably - just within minutes of using either iSCSI or NFS
- The whole system crashes and reboots.
  We can see there is a stacktrace on screen, but it's too quick to read.
- It happens in dom0. No domU needs to run to reproduce it.
- We tried with noacpi, nolapic - with the same result.
- When booting the same kernel without hypervisor it runs stable!
- The crash is reproducible on 2 different amd64 machines (see below).
- We are still using xm and xend (but that should not make any
  difference, since we don't start a single domU).
- The iSCSI target is LIO (Linux 3.1.5) with 4k blocksize.
- MTU 9000
- The Xen system seems to run stable without NFS or iSCSI access!

Hardware:
Tested on 2 machines:
- AMD Athlon(tm) 64 Processor 2800+
  on Asus K8V
    Marvell 88E8001 Gigabit Ethernet (rev 13)
- AMD Athlon(tm) 64 Processor 3700+
  on Asus A8N-E (nforce4)
    nVidia CK804 Ethernet (rev a3)
  as well as:
    Intel 82571EB Gigabit Ethernet (rev 06)

We are testing on a gentoo system, but installed xen tools and hypervisor
from source, as well as the linux kernel.

We don't have any experience in kernel debugging - so I don't know if
there is a chance to grab the stack trace in any way.

Any suggestions about what we can do to get this thing stable? Or rather
on how or what to test to so we can provide more usable information?

Thanks in advance,
- peter.





_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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From: James Harper <JamesH@bendigoit.com.au>
To: Alexandre Chapellon <a.chapellon@horoa.net>,
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> 
> Hi,
> 
> I am using xen 4.0.1 from debian Squeeze repositories and dom0 has kernel
> 2.6.32-5-xen-amd64(also stock debian).
> I wanted to set a high value to maxmem in my xmdomain.cfg vm config files
> so that I can increase memory as needed without rebooting.
> Unfortunately as soon as I set this paramater I see really wiered things.
> For example, I am trying to install a windows HVM guest. When maxmem is
> not set, the first screen of the installer appear after less than 30. If I set
> maxmem to 12288 (12GB, i guess), the installer screen takes more than
> 3min30sec to splash...
> I have also tried to decrease maxmem to 8GB then 4GB (while
> memory=2048)... but that doesn't help... Well I have to say that the lower
> maxmem is set, the faster the VM are.
> But when set the VM are generally slow and unstable, as I did not succeded
> to complete any installl because of guests crashing.
> Not sure if it's related but, few times ago, I had an issue while doing live
> migration of a PV guest (migration seemed OK but VM was frozen) that also
> had maxmem set to such a value...  I never experienced livemig problem like
> this before...
> 
> Is there any options that may be incompatible with maxmem? Or am just
> doing bad use of maxmem?
> 
> Did anybody experienced similar behaviour?
> 

Okay I just read this too. For Windows HVM to work with PoD memory you'll need PV drivers installed I think so that they allocate the extra memory before Windows gets a chance to touch it. This is a bit tricky during an install but possible during actual use once you have the PV drivers loaded.

The way the PoD memory works (which I don't even know if 4.0.1 supports properly), is that the DomU is given "maxmem" amount of memory, but xen only populates "memory" amount of pages with actual memory. When the DomU touches a page of memory that isn't populated, Xen find a spare page and populates it. If there aren't any spare pages because "memory" pages are already populated, Xen scans for pages which are all 0's and uses one of them, leaving a hole behind. There was a bug causing really bad performance when this happened (see previous email) but even with that fixed, as soon as DomU uses more than "memory" amount of actual pages, you are going to crash.

So don't set "maxmem" > "memory" until you have PV drivers loaded.

James

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> 
> Made some tests to illustrate what I said in my previous mail.
> I counting time to reach the splash screen of windows installer using
> different value of maxmem (nothing else changed):
> 
> - no maxmem / mem= 2048
> 33 sec.
> 
> - maxmem=2048 / mem =2048
> 33 sec
> 
> - maxmem=4096 / mem =2048
> 1 min 57 sec
> 
> - maxme=8192 / mem =2048
> 4 min 32 sec
> 
> nobody has a clue?
> 

I haven't been following this thread but it sounds awfully familiar to something I looked at a while ago. What version of Xen are you using?

Have a look at this thread - http://xen.1045712.n5.nabble.com/slow-xp-hibernation-revisited-td4451615.html - where I posted an initial patch which was massaged by the xen devs into something more correct and I believe it was applied but I don't know at what version.

James


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Hi, I am new to XCP.
I have already installed the XCP on my host, and created VMs successfully with Xen Center. 
But the problem is, i can not see the VM's Graphic Display such as Windows XP on my host(which installed the XCP) 

I want to know, is there any method that I can see the VM's Graphic Display on the host(which installed the XCP).

Please give me some help. thanks.
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> 
> Hi,
> 
> I am using xen 4.0.1 from debian Squeeze repositories and dom0 has kernel
> 2.6.32-5-xen-amd64(also stock debian).
> I wanted to set a high value to maxmem in my xmdomain.cfg vm config files
> so that I can increase memory as needed without rebooting.
> Unfortunately as soon as I set this paramater I see really wiered things.
> For example, I am trying to install a windows HVM guest. When maxmem is
> not set, the first screen of the installer appear after less than 30. If I set
> maxmem to 12288 (12GB, i guess), the installer screen takes more than
> 3min30sec to splash...
> I have also tried to decrease maxmem to 8GB then 4GB (while
> memory=2048)... but that doesn't help... Well I have to say that the lower
> maxmem is set, the faster the VM are.
> But when set the VM are generally slow and unstable, as I did not succeded
> to complete any installl because of guests crashing.
> Not sure if it's related but, few times ago, I had an issue while doing live
> migration of a PV guest (migration seemed OK but VM was frozen) that also
> had maxmem set to such a value...  I never experienced livemig problem like
> this before...
> 
> Is there any options that may be incompatible with maxmem? Or am just
> doing bad use of maxmem?
> 
> Did anybody experienced similar behaviour?
> 

Okay I just read this too. For Windows HVM to work with PoD memory you'll need PV drivers installed I think so that they allocate the extra memory before Windows gets a chance to touch it. This is a bit tricky during an install but possible during actual use once you have the PV drivers loaded.

The way the PoD memory works (which I don't even know if 4.0.1 supports properly), is that the DomU is given "maxmem" amount of memory, but xen only populates "memory" amount of pages with actual memory. When the DomU touches a page of memory that isn't populated, Xen find a spare page and populates it. If there aren't any spare pages because "memory" pages are already populated, Xen scans for pages which are all 0's and uses one of them, leaving a hole behind. There was a bug causing really bad performance when this happened (see previous email) but even with that fixed, as soon as DomU uses more than "memory" amount of actual pages, you are going to crash.

So don't set "maxmem" > "memory" until you have PV drivers loaded.

James

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> 
> Made some tests to illustrate what I said in my previous mail.
> I counting time to reach the splash screen of windows installer using
> different value of maxmem (nothing else changed):
> 
> - no maxmem / mem= 2048
> 33 sec.
> 
> - maxmem=2048 / mem =2048
> 33 sec
> 
> - maxmem=4096 / mem =2048
> 1 min 57 sec
> 
> - maxme=8192 / mem =2048
> 4 min 32 sec
> 
> nobody has a clue?
> 

I haven't been following this thread but it sounds awfully familiar to something I looked at a while ago. What version of Xen are you using?

Have a look at this thread - http://xen.1045712.n5.nabble.com/slow-xp-hibernation-revisited-td4451615.html - where I posted an initial patch which was massaged by the xen devs into something more correct and I believe it was applied but I don't know at what version.

James


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Hi,

XenCenter has a tab called "console" where shows the display for each VM.

Maybe OpenXenManager and/or XenWebManager can help you for this.

Regards,

Diego

2011/12/19 357836635 <357836635@qq.com>

>
>
> Hi, I am new to XCP.
> I have already installed the XCP on my host, and created VMs successfully
> with Xen Center.
> But the problem is, i can not see the VM's Graphic Display such as Windows
> XP on my host(which installed the XCP)
>
> I want to know, is there any method that I can see the VM's Graphic
> Display on the host(which installed the XCP).
>
> Please give me some help. thanks.
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>

--0016e6de03d320478604b49c779a
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Hi,<br><br>XenCenter has a tab called &quot;console&quot; where shows the display for each VM.<br><br>Maybe OpenXenManager and/or XenWebManager can help you for this.<br><br>Regards,<br><br>Diego<br><br><div class="gmail_quote">
2011/12/19 357836635 <span dir="ltr">&lt;<a href="mailto:357836635@qq.com">357836635@qq.com</a>&gt;</span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><br>
<br>
Hi, I am new to XCP.<br>
I have already installed the XCP on my host, and created VMs successfully with Xen Center.<br>
But the problem is, i can not see the VM&#39;s Graphic Display such as Windows XP on my host(which installed the XCP)<br>
<br>
I want to know, is there any method that I can see the VM&#39;s Graphic Display on the host(which installed the XCP).<br>
<br>
Please give me some help. thanks.<br>
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</blockquote></div><br>

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Hi,

XenCenter has a tab called "console" where shows the display for each VM.

Maybe OpenXenManager and/or XenWebManager can help you for this.

Regards,

Diego

2011/12/19 357836635 <357836635@qq.com>

>
>
> Hi, I am new to XCP.
> I have already installed the XCP on my host, and created VMs successfully
> with Xen Center.
> But the problem is, i can not see the VM's Graphic Display such as Windows
> XP on my host(which installed the XCP)
>
> I want to know, is there any method that I can see the VM's Graphic
> Display on the host(which installed the XCP).
>
> Please give me some help. thanks.
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>

--0016e6de03d320478604b49c779a
Content-Type: text/html; charset=ISO-8859-1

Hi,<br><br>XenCenter has a tab called &quot;console&quot; where shows the display for each VM.<br><br>Maybe OpenXenManager and/or XenWebManager can help you for this.<br><br>Regards,<br><br>Diego<br><br><div class="gmail_quote">
2011/12/19 357836635 <span dir="ltr">&lt;<a href="mailto:357836635@qq.com">357836635@qq.com</a>&gt;</span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><br>
<br>
Hi, I am new to XCP.<br>
I have already installed the XCP on my host, and created VMs successfully with Xen Center.<br>
But the problem is, i can not see the VM&#39;s Graphic Display such as Windows XP on my host(which installed the XCP)<br>
<br>
I want to know, is there any method that I can see the VM&#39;s Graphic Display on the host(which installed the XCP).<br>
<br>
Please give me some help. thanks.<br>
_______________________________________________<br>
Xen-users mailing list<br>
<a href="mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.com</a><br>
<a href="http://lists.xensource.com/xen-users" target="_blank">http://lists.xensource.com/xen-users</a><br>
</blockquote></div><br>

--0016e6de03d320478604b49c779a--


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On 19.12.2011 12:21, 357836635 wrote:
>
> Hi, I am new to XCP.
> I have already installed the XCP on my host, and created VMs successfully with Xen Center.
> But the problem is, i can not see the VM's Graphic Display such as Windows XP on my host(which installed the XCP)
>
> I want to know, is there any method that I can see the VM's Graphic Display on the host(which installed the XCP).
>
http://wiki.xensource.com/wiki/Xen_Cloud_Platform:_Access_to_VM_console

vnc tunneling or XenCenter.

_______________________________________________
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Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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On 19.12.2011 12:21, 357836635 wrote:
>
> Hi, I am new to XCP.
> I have already installed the XCP on my host, and created VMs successfully with Xen Center.
> But the problem is, i can not see the VM's Graphic Display such as Windows XP on my host(which installed the XCP)
>
> I want to know, is there any method that I can see the VM's Graphic Display on the host(which installed the XCP).
>
http://wiki.xensource.com/wiki/Xen_Cloud_Platform:_Access_to_VM_console

vnc tunneling or XenCenter.

_______________________________________________
Xen-users mailing list
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>> Hi, I am new to XCP.
>> I have already installed the XCP on my host, and created VMs
successfully with Xen Center.
>> But the problem is, i can not see the VM's Graphic Display such as
Windows XP on my host(which
>> installed the XCP)
>>
>> I want to know, is there any method that I can see the VM's Graphic
Display on the host(which 
>> installed the XCP).
>
>http://wiki.xensource.com/wiki/Xen_Cloud_Platform:_Access_to_VM_console

>vnc tunneling or XenCenter.

I found those instructions to be slightly in error. 

On my XCP console, when I type: xenstore-ls
/local/domain/DOM-ID/serial/0 I only get the 
"tty = /dev/pts/x" output, and NOT the vnc-port. 

I changed that command to: xenstore-ls /local/domain/DOM-ID/console and
I get the vnc 
port I need to use tunneling.

Tunneling works great because SSH and VNC are ubiquitous clients, so I
can get to the consoles 
from just about anywhere.

On my main workstation though, I use XenCenter. Works for 95% of what I
need so far. The 
console fills in the other 5% nicely.



_______________________________________________
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>> Hi, I am new to XCP.
>> I have already installed the XCP on my host, and created VMs
successfully with Xen Center.
>> But the problem is, i can not see the VM's Graphic Display such as
Windows XP on my host(which
>> installed the XCP)
>>
>> I want to know, is there any method that I can see the VM's Graphic
Display on the host(which 
>> installed the XCP).
>
>http://wiki.xensource.com/wiki/Xen_Cloud_Platform:_Access_to_VM_console

>vnc tunneling or XenCenter.

I found those instructions to be slightly in error. 

On my XCP console, when I type: xenstore-ls
/local/domain/DOM-ID/serial/0 I only get the 
"tty = /dev/pts/x" output, and NOT the vnc-port. 

I changed that command to: xenstore-ls /local/domain/DOM-ID/console and
I get the vnc 
port I need to use tunneling.

Tunneling works great because SSH and VNC are ubiquitous clients, so I
can get to the consoles 
from just about anywhere.

On my main workstation though, I use XenCenter. Works for 95% of what I
need so far. The 
console fills in the other 5% nicely.



_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Subject: [Xen-users] xen not freeing up memory once a VM is removed
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Hi Folks,

 

Wonder is anyone can help shed any light or give me a few troubleshooting
steps for this problem.

 

I have just noticed that pretty much all my RAM is taken up and this is not
right so as a test I looked at xm info which showed:

 

free_memory            : 122

 

I then deleted test 5 VM's I have had no use of for quite some time all with
between 128 and 256MB of RAM allocated to them and ran xm info again which
still shows:

 

free_memory            : 122

 

The XEN version is 4.0.1

I have set the dom0 memory flag to 1024mb

 

If I run xm list and calculate the total memory used by VM's (All booted up)
there is a discrepancy of just over 1GB of RAM that is unaccounted for.

 

Has anyone got any tips for this?

 

OS is CentOS 5.7

Kernel is 2.6.18-238.19.1.el5xen

 

Thanks.

 

 


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<p class=3DMsoNormal>Hi Folks,<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>Wonder is anyone can help shed any light or give me =
a few
troubleshooting steps for this problem.<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>I have just noticed that pretty much all my RAM is =
taken up
and this is not right so as a test I looked at xm info which =
showed:<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p =
class=3DMsoNormal>free_memory&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;
: 122<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>I then deleted test 5 VM&#8217;s I have had no use =
of for
quite some time all with between 128 and 256MB of RAM allocated to them =
and ran
xm info again which still shows:<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p =
class=3DMsoNormal>free_memory&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;
: 122<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>The XEN version is 4.0.1<o:p></o:p></p>

<p class=3DMsoNormal>I have set the dom0 memory flag to =
1024mb<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>If I run xm list and calculate the total memory =
used by VM&#8217;s
(All booted up) there is a discrepancy of just over 1GB of RAM that is
unaccounted for.<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>Has anyone got any tips for this?<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>OS is CentOS 5.7<o:p></o:p></p>

<p class=3DMsoNormal>Kernel is 2.6.18-238.19.1.el5xen<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>Thanks.<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

</div>

</body>

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Hi Folks,

 

Wonder is anyone can help shed any light or give me a few troubleshooting
steps for this problem.

 

I have just noticed that pretty much all my RAM is taken up and this is not
right so as a test I looked at xm info which showed:

 

free_memory            : 122

 

I then deleted test 5 VM's I have had no use of for quite some time all with
between 128 and 256MB of RAM allocated to them and ran xm info again which
still shows:

 

free_memory            : 122

 

The XEN version is 4.0.1

I have set the dom0 memory flag to 1024mb

 

If I run xm list and calculate the total memory used by VM's (All booted up)
there is a discrepancy of just over 1GB of RAM that is unaccounted for.

 

Has anyone got any tips for this?

 

OS is CentOS 5.7

Kernel is 2.6.18-238.19.1.el5xen

 

Thanks.

 

 


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<div class=3DSection1>

<p class=3DMsoNormal>Hi Folks,<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>Wonder is anyone can help shed any light or give me =
a few
troubleshooting steps for this problem.<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>I have just noticed that pretty much all my RAM is =
taken up
and this is not right so as a test I looked at xm info which =
showed:<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p =
class=3DMsoNormal>free_memory&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;
: 122<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>I then deleted test 5 VM&#8217;s I have had no use =
of for
quite some time all with between 128 and 256MB of RAM allocated to them =
and ran
xm info again which still shows:<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p =
class=3DMsoNormal>free_memory&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;
: 122<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>The XEN version is 4.0.1<o:p></o:p></p>

<p class=3DMsoNormal>I have set the dom0 memory flag to =
1024mb<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>If I run xm list and calculate the total memory =
used by VM&#8217;s
(All booted up) there is a discrepancy of just over 1GB of RAM that is
unaccounted for.<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>Has anyone got any tips for this?<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>OS is CentOS 5.7<o:p></o:p></p>

<p class=3DMsoNormal>Kernel is 2.6.18-238.19.1.el5xen<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal>Thanks.<o:p></o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

<p class=3DMsoNormal><o:p>&nbsp;</o:p></p>

</div>

</body>

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Subject: Re: [Xen-users] XCP, about Graphic Display
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On 21.12.2011 21:46, Brett Westover wrote:
>>> Hi, I am new to XCP.
>>> I have already installed the XCP on my host, and created VMs successfully with Xen Center. But the problem is, i can not see the VM's Graphic Display such as Windows XP on my host(which installed the XCP)
>>>
>>> I want to know, is there any method that I can see the VM's Graphic Display on the host(which installed the XCP).
>> http://wiki.xensource.com/wiki/Xen_Cloud_Platform:_Access_to_VM_console, vnc tunneling or XenCenter.
> I found those instructions to be slightly in error.
>
> On my XCP console, when I type: xenstore-ls
> /local/domain/DOM-ID/serial/0 I only get the
> "tty = /dev/pts/x" output, and NOT the vnc-port.
>
> I changed that command to: xenstore-ls /local/domain/DOM-ID/console and
> I get the vnc
> port I need to use tunneling.
>
> Tunneling works great because SSH and VNC are ubiquitous clients, so I
> can get to the consoles
> from just about anywhere.
>
> On my main workstation though, I use XenCenter. Works for 95% of what I
> need so far. The
> console fills in the other 5% nicely.

Don't mix PV and HVM consoles up. PV 'console' is very specific way to 
declare serial port, not a 'display'. HVM do supports very slow 
emulation of S3 video card (graphics). I'm not sure if anyone anytime 
thought about implementing fast local graphic. May be PV drivers will 
hepls a little, but not much, because they don't support for any 2D/3D 
acceleration.

Display you getting in XenCenter enough to configure your server. If you 
need fast graphic - use RDP, VNC, ICA=Metaframe Presentation Server (it 
naming right now XenApp, it completely different technology from Xen and 
have nothing in common), radmin and so on. Those services must be 
configured inside virtual machine and 'how to do this' is not topic here 
(google://configure RDP).

_______________________________________________
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Subject: Re: [Xen-users] XCP, about Graphic Display
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On 21.12.2011 21:46, Brett Westover wrote:
>>> Hi, I am new to XCP.
>>> I have already installed the XCP on my host, and created VMs successfully with Xen Center. But the problem is, i can not see the VM's Graphic Display such as Windows XP on my host(which installed the XCP)
>>>
>>> I want to know, is there any method that I can see the VM's Graphic Display on the host(which installed the XCP).
>> http://wiki.xensource.com/wiki/Xen_Cloud_Platform:_Access_to_VM_console, vnc tunneling or XenCenter.
> I found those instructions to be slightly in error.
>
> On my XCP console, when I type: xenstore-ls
> /local/domain/DOM-ID/serial/0 I only get the
> "tty = /dev/pts/x" output, and NOT the vnc-port.
>
> I changed that command to: xenstore-ls /local/domain/DOM-ID/console and
> I get the vnc
> port I need to use tunneling.
>
> Tunneling works great because SSH and VNC are ubiquitous clients, so I
> can get to the consoles
> from just about anywhere.
>
> On my main workstation though, I use XenCenter. Works for 95% of what I
> need so far. The
> console fills in the other 5% nicely.

Don't mix PV and HVM consoles up. PV 'console' is very specific way to 
declare serial port, not a 'display'. HVM do supports very slow 
emulation of S3 video card (graphics). I'm not sure if anyone anytime 
thought about implementing fast local graphic. May be PV drivers will 
hepls a little, but not much, because they don't support for any 2D/3D 
acceleration.

Display you getting in XenCenter enough to configure your server. If you 
need fast graphic - use RDP, VNC, ICA=Metaframe Presentation Server (it 
naming right now XenApp, it completely different technology from Xen and 
have nothing in common), radmin and so on. Those services must be 
configured inside virtual machine and 'how to do this' is not topic here 
(google://configure RDP).

_______________________________________________
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>> I found those instructions to be slightly in error.
>>
>> On my XCP console, when I type: xenstore-ls
>> /local/domain/DOM-ID/serial/0 I only get the
>> "tty = /dev/pts/x" output, and NOT the vnc-port.
>>
>> I changed that command to: xenstore-ls /local/domain/DOM-ID/console
and
>> I get the vnc
>> port I need to use tunneling.
>>
>> Tunneling works great because SSH and VNC are ubiquitous clients, so
I
>> can get to the consoles
>> from just about anywhere.
>>
>> On my main workstation though, I use XenCenter. Works for 95% of what
I
>> need so far. The
>> console fills in the other 5% nicely.

>Don't mix PV and HVM consoles up. PV 'console' is very specific way to 
>declare serial port, not a 'display'. HVM do supports very slow 
>emulation of S3 video card (graphics). I'm not sure if anyone anytime 
>thought about implementing fast local graphic. May be PV drivers will 
>hepls a little, but not much, because they don't support for any 2D/3D 
>acceleration.

>Display you getting in XenCenter enough to configure your server. If
you 
>need fast graphic - use RDP, VNC, ICA=Metaframe Presentation Server (it

>naming right now XenApp, it completely different technology from Xen
and 
>have nothing in common), radmin and so on. Those services must be 
>configured inside virtual machine and 'how to do this' is not topic
here 
>(google://configure RDP).

Thanks that's good to know. I wasn't mixing up HVM and PV though. The OP
wanted to know how to connect to his HVM Windows XP console. The 
instructions you linked didn't return the needed VNC port on XCP 1.1 for
a HVM.

Is "xenstore-ls /local/domain/DOM-ID/console" the wrong way to get the
VNC 
port? 

All I know is that it worked for me. If it's not right, please let me
know 
what is the correct way, as I already updated that WIKI based on my test

results.


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>> I found those instructions to be slightly in error.
>>
>> On my XCP console, when I type: xenstore-ls
>> /local/domain/DOM-ID/serial/0 I only get the
>> "tty = /dev/pts/x" output, and NOT the vnc-port.
>>
>> I changed that command to: xenstore-ls /local/domain/DOM-ID/console
and
>> I get the vnc
>> port I need to use tunneling.
>>
>> Tunneling works great because SSH and VNC are ubiquitous clients, so
I
>> can get to the consoles
>> from just about anywhere.
>>
>> On my main workstation though, I use XenCenter. Works for 95% of what
I
>> need so far. The
>> console fills in the other 5% nicely.

>Don't mix PV and HVM consoles up. PV 'console' is very specific way to 
>declare serial port, not a 'display'. HVM do supports very slow 
>emulation of S3 video card (graphics). I'm not sure if anyone anytime 
>thought about implementing fast local graphic. May be PV drivers will 
>hepls a little, but not much, because they don't support for any 2D/3D 
>acceleration.

>Display you getting in XenCenter enough to configure your server. If
you 
>need fast graphic - use RDP, VNC, ICA=Metaframe Presentation Server (it

>naming right now XenApp, it completely different technology from Xen
and 
>have nothing in common), radmin and so on. Those services must be 
>configured inside virtual machine and 'how to do this' is not topic
here 
>(google://configure RDP).

Thanks that's good to know. I wasn't mixing up HVM and PV though. The OP
wanted to know how to connect to his HVM Windows XP console. The 
instructions you linked didn't return the needed VNC port on XCP 1.1 for
a HVM.

Is "xenstore-ls /local/domain/DOM-ID/console" the wrong way to get the
VNC 
port? 

All I know is that it worked for me. If it's not right, please let me
know 
what is the correct way, as I already updated that WIKI based on my test

results.


_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Sending to devel, maybe a BUG?

Here are the details to the used mobo:

Handle 0x0000, DMI type 0, 24 bytes
BIOS Information
         Vendor: American Megatrends Inc.
         Version: 1004
         Release Date: 03/26/2008
         Address: 0xF0000
         Runtime Size: 64 kB
         ROM Size: 512 kB
         Characteristics:
                 ISA is supported
                 PCI is supported
                 PNP is supported
                 APM is supported
                 BIOS is upgradeable
                 BIOS shadowing is allowed
                 ESCD support is available
                 Boot from CD is supported
                 Selectable boot is supported
                 BIOS ROM is socketed
                 EDD is supported
                 5.25"/1.2 MB floppy services are supported (int 13h)
                 3.5"/720 kB floppy services are supported (int 13h)
                 3.5"/2.88 MB floppy services are supported (int 13h)
                 Print screen service is supported (int 5h)
                 8042 keyboard services are supported (int 9h)
                 Serial services are supported (int 14h)
                 Printer services are supported (int 17h)
                 CGA/mono video services are supported (int 10h)
                 ACPI is supported
                 USB legacy is supported
                 LS-120 boot is supported
                 ATAPI Zip drive boot is supported
                 BIOS boot specification is supported
                 Targeted content distribution is supported
         BIOS Revision: 8.12

Handle 0x0002, DMI type 2, 15 bytes
Base Board Information
         Manufacturer: ASUSTeK Computer INC.
         Product Name: M2N-MX
         Version: Rev 1.xx
         Serial Number: MB-xxxxxxxxxx
         Asset Tag: To Be Filled By O.E.M.
         Features:
                 Board is a hosting board
                 Board is replaceable
         Location In Chassis: To Be Filled By O.E.M.
         Chassis Handle: 0x0003
         Type: Motherboard
         Contained Object Handles: 0


Am 20.12.2011 16:56, schrieb Florian Manschwetus:
> Ok, I setup a serial so I can, give you a full copy of output (also
> added some debug options I found)
>
> Booting a command list
>
> Loading Xen 4.1.2 ...
> Loading Linux x86_64-3.1.5-gentoo ...
> Loading initial ramdisk ...
> __ __ _ _ _ ____
> \ \/ /___ _ __ | || | / | |___ \
> \ // _ \ '_ \ | || |_ | | __) |
> / \ __/ | | | |__ _|| |_ / __/
> /_/\_\___|_| |_| |_|(_)_(_)_____|
>
> (XEN) Xen version 4.1.2 (@) (gcc-Version 4.6.2 (Gentoo 4.6.2 p1.0,
> pie-0.4.5) ) Thu Dec 15 17:51:19 CET 2011
> (XEN) Latest ChangeSet: unavailable
> (XEN) Console output is synchronous.
> (XEN) Bootloader: GRUB 1.99
> (XEN) Command line: placeholder sync_console console_to_ring
> com1=3D115200,8n1 console=3Dcom1,vga loglvl=3Dall lapic=3Ddebug
> apic_verbosity=3Ddebug apic=3Ddebug
> (XEN) Video information:
> (XEN) VGA is text mode 80x25, font 8x16
> (XEN) VBE/DDC methods: none; EDID transfer time: 0 seconds
> (XEN) EDID info not retrieved because no DDC retrieval method detected
> (XEN) Disc information:
> (XEN) Found 1 MBR signatures
> (XEN) Found 1 EDD information structures
> (XEN) Xen-e820 RAM map:
> (XEN) 0000000000000000 - 000000000009fc00 (usable)
> (XEN) 000000000009fc00 - 00000000000a0000 (reserved)
> (XEN) 00000000000e0000 - 0000000000100000 (reserved)
> (XEN) 0000000000100000 - 00000000bffc0000 (usable)
> (XEN) 00000000bffc0000 - 00000000bffce000 (ACPI data)
> (XEN) 00000000bffce000 - 00000000bfff0000 (ACPI NVS)
> (XEN) 00000000bfff0000 - 00000000c0000000 (reserved)
> (XEN) 00000000fec00000 - 00000000fec01000 (reserved)
> (XEN) 00000000fee00000 - 00000000fef00000 (reserved)
> (XEN) 00000000ff780000 - 0000000100000000 (reserved)
> (XEN) 0000000100000000 - 0000000140000000 (usable)
> (XEN) ACPI: RSDP 000FB840, 0024 (r2 ACPIAM)
> (XEN) ACPI: XSDT BFFC0100, 004C (r1 A_M_I_ OEMXSDT 3000826 MSFT 97)
> (XEN) ACPI: FACP BFFC0290, 00F4 (r3 A_M_I_ OEMFACP 3000826 MSFT 97)
> (XEN) ACPI: DSDT BFFC05C0, 4E38 (r1 A0557 A0557000 0 INTL 20051117)
> (XEN) ACPI: FACS BFFCE000, 0040
> (XEN) ACPI: APIC BFFC0390, 0070 (r1 A_M_I_ OEMAPIC 3000826 MSFT 97)
> (XEN) ACPI: MCFG BFFC0400, 003C (r1 A_M_I_ OEMMCFG 3000826 MSFT 97)
> (XEN) ACPI: OEMB BFFCE040, 0060 (r1 A_M_I_ AMI_OEM 3000826 MSFT 97)
> (XEN) ACPI: HPET BFFC5400, 0038 (r1 A_M_I_ OEMHPET0 3000826 MSFT 97)
> (XEN) System RAM: 4095MB (4193660kB)
> (XEN) No NUMA configuration found
> (XEN) Faking a node at 0000000000000000-0000000140000000
> (XEN) Domain heap initialised
> (XEN) found SMP MP-table at 000ff780
> (XEN) DMI present.
> (XEN) APIC boot state is 'xapic'
> (XEN) Using APIC driver default
> (XEN) ACPI: PM-Timer IO Port: 0x508
> (XEN) ACPI: ACPI SLEEP INFO: pm1x_cnt[504,0], pm1x_evt[500,0]
> (XEN) ACPI: wakeup_vec[bffce00c], vec_size[20]
> (XEN) ACPI: Local APIC address 0xfee00000
> (XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
> (XEN) Processor #0 15:3 APIC version 16
> (XEN) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
> (XEN) Processor #1 15:3 APIC version 16
> (XEN) ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])
> (XEN) IOAPIC[0]: apic_id 2, version 17, address 0xfec00000, GSI 0-23
> (XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 0 dfl dfl)
> (XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
> (XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 14 global_irq 14 high edge)
> (XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 15 global_irq 15 high edge)
> (XEN) ACPI: IRQ0 used by override.
> (XEN) ACPI: IRQ9 used by override.
> (XEN) ACPI: IRQ14 used by override.
> (XEN) ACPI: IRQ15 used by override.
> (XEN) Enabling APIC mode: Flat. Using 1 I/O APICs
> (XEN) ACPI: HPET id: 0x10de8201 base: 0xfed00000
> (XEN) PCI: MCFG configuration 0: base e0000000 segment 0 buses 0 - 255
> (XEN) PCI: Not using MMCONFIG.
> (XEN) Table is not found!
> (XEN) Using ACPI (MADT) for SMP configuration information
> (XEN) mapped APIC to ffff82c3ffffe000 (fee00000)
> (XEN) mapped IOAPIC to ffff82c3ffffd000 (fec00000)
> (XEN) IRQ limits: 24 GSI, 376 MSI/MSI-X
> (XEN) Using scheduler: SMP Credit Scheduler (credit)
> (XEN) Detected 2611.867 MHz processor.
> (XEN) Initing memory sharing.
> (XEN) AMD K8 machine check reporting enabled
> (XEN) AMD-Vi: IOMMU not found!
> (XEN) I/O virtualisation disabled
> (XEN) Getting VERSION: 80050010
> (XEN) Getting VERSION: 80050010
> (XEN) Getting ID: 0
> (XEN) Getting LVT0: 700
> (XEN) Getting LVT1: 400
> (XEN) enabled ExtINT on CPU#0
> (XEN) ESR value before enabling vector: 0x00000004 after: 0x00000000
> (XEN) ENABLING IO-APIC IRQs
> (XEN) -> Using new ACK method
> (XEN) init IO_APIC IRQs
> (XEN) IO-APIC (apicid-pin) 2-16, 2-17, 2-18, 2-19, 2-20, 2-21, 2-22,
> 2-23 not connected.
> (XEN) ..TIMER: vector=3D0xF0 apic1=3D0 pin1=3D0 apic2=3D-1 pin2=3D-1
> (XEN) ..MP-BIOS bug: 8254 timer not connected to IO-APIC
> (XEN) ...trying to set up timer (IRQ0) through the 8259A ... failed.
> (XEN) ...trying to set up timer as Virtual Wire IRQ... failed.
> (XEN) ...trying to set up timer as ExtINT IRQ... failed :(.
> (XEN)
> (XEN) ****************************************
> (XEN) Panic on CPU 0:
> (XEN) IO-APIC + timer doesn't work! Boot with apic_verbosity=3Ddebug an=
d
> send a report. Then try booting with the 'noapic'
> option****************************************
> (XEN)
> (XEN) Reboot in five seconds...
>
>
>
> Am 20.12.2011 12:01, schrieb Florian Manschwetus:
>> Adding apic_verbosity=3Ddebug gives me that (hope nothing miss-typed a=
s I
>> have no serial console on this box). I found a lot of suggested
>> workarounds:
>> - noapic as suggested in output gives an noapic isn't support
>> - acpi_skip_timer_override has no effect at all
>>
>> Thx,
>> Florian
>>
>> (XEN) Initing memory sharing.
>> (XEN) AMD-Vi: IOMMU not found!
>> (XEN) I/O virtualisation disabled
>> (XEN) Getting VERSION: 8005010
>> (XEN) Getting VERSION: 8005010
>> (XEN) Getting ID: 0
>> (XEN) Getting LVT0: 700
>> (XEN) Getting LVT1: 400
>> (XEN) enabled ExtINT on CPU#0
>> (XEN) ESR value before enabling vector: 0x00000004 after: 0x0000000
>> (XEN) ENABLING IO-APIC IRQs
>> (XEN) -> Using new ACK method
>> (XEN) ..MP-BIOS bug: 8254 timer not connected to IO-APIC
>> (XEN)
>> (XEN) *****************************************************
>> (XEN) Panic on CPU 0:
>> (XEN) IO-APIC + timer doesn't work! Boot with apic_verbosity=3Ddebug a=
nd
>> send a report. Then try booting with hte 'noapic'
>> option****************************
>>
>>
>>
>> _______________________________________________
>> Xen-users mailing list
>> Xen-users@lists.xensource.com
>> http://lists.xensource.com/xen-users
>
>
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users



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Date: Thu, 22 Dec 2011 00:49:59 +0100
From: Florian Manschwetus <florianmanschwetus@gmx.de>
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Subject: Re: [Xen-users] Problem booting xen 4.1.2 on Athlon 64 X2
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Sending to devel, maybe a BUG?

Here are the details to the used mobo:

Handle 0x0000, DMI type 0, 24 bytes
BIOS Information
         Vendor: American Megatrends Inc.
         Version: 1004
         Release Date: 03/26/2008
         Address: 0xF0000
         Runtime Size: 64 kB
         ROM Size: 512 kB
         Characteristics:
                 ISA is supported
                 PCI is supported
                 PNP is supported
                 APM is supported
                 BIOS is upgradeable
                 BIOS shadowing is allowed
                 ESCD support is available
                 Boot from CD is supported
                 Selectable boot is supported
                 BIOS ROM is socketed
                 EDD is supported
                 5.25"/1.2 MB floppy services are supported (int 13h)
                 3.5"/720 kB floppy services are supported (int 13h)
                 3.5"/2.88 MB floppy services are supported (int 13h)
                 Print screen service is supported (int 5h)
                 8042 keyboard services are supported (int 9h)
                 Serial services are supported (int 14h)
                 Printer services are supported (int 17h)
                 CGA/mono video services are supported (int 10h)
                 ACPI is supported
                 USB legacy is supported
                 LS-120 boot is supported
                 ATAPI Zip drive boot is supported
                 BIOS boot specification is supported
                 Targeted content distribution is supported
         BIOS Revision: 8.12

Handle 0x0002, DMI type 2, 15 bytes
Base Board Information
         Manufacturer: ASUSTeK Computer INC.
         Product Name: M2N-MX
         Version: Rev 1.xx
         Serial Number: MB-xxxxxxxxxx
         Asset Tag: To Be Filled By O.E.M.
         Features:
                 Board is a hosting board
                 Board is replaceable
         Location In Chassis: To Be Filled By O.E.M.
         Chassis Handle: 0x0003
         Type: Motherboard
         Contained Object Handles: 0


Am 20.12.2011 16:56, schrieb Florian Manschwetus:
> Ok, I setup a serial so I can, give you a full copy of output (also
> added some debug options I found)
>
> Booting a command list
>
> Loading Xen 4.1.2 ...
> Loading Linux x86_64-3.1.5-gentoo ...
> Loading initial ramdisk ...
> __ __ _ _ _ ____
> \ \/ /___ _ __ | || | / | |___ \
> \ // _ \ '_ \ | || |_ | | __) |
> / \ __/ | | | |__ _|| |_ / __/
> /_/\_\___|_| |_| |_|(_)_(_)_____|
>
> (XEN) Xen version 4.1.2 (@) (gcc-Version 4.6.2 (Gentoo 4.6.2 p1.0,
> pie-0.4.5) ) Thu Dec 15 17:51:19 CET 2011
> (XEN) Latest ChangeSet: unavailable
> (XEN) Console output is synchronous.
> (XEN) Bootloader: GRUB 1.99
> (XEN) Command line: placeholder sync_console console_to_ring
> com1=3D115200,8n1 console=3Dcom1,vga loglvl=3Dall lapic=3Ddebug
> apic_verbosity=3Ddebug apic=3Ddebug
> (XEN) Video information:
> (XEN) VGA is text mode 80x25, font 8x16
> (XEN) VBE/DDC methods: none; EDID transfer time: 0 seconds
> (XEN) EDID info not retrieved because no DDC retrieval method detected
> (XEN) Disc information:
> (XEN) Found 1 MBR signatures
> (XEN) Found 1 EDD information structures
> (XEN) Xen-e820 RAM map:
> (XEN) 0000000000000000 - 000000000009fc00 (usable)
> (XEN) 000000000009fc00 - 00000000000a0000 (reserved)
> (XEN) 00000000000e0000 - 0000000000100000 (reserved)
> (XEN) 0000000000100000 - 00000000bffc0000 (usable)
> (XEN) 00000000bffc0000 - 00000000bffce000 (ACPI data)
> (XEN) 00000000bffce000 - 00000000bfff0000 (ACPI NVS)
> (XEN) 00000000bfff0000 - 00000000c0000000 (reserved)
> (XEN) 00000000fec00000 - 00000000fec01000 (reserved)
> (XEN) 00000000fee00000 - 00000000fef00000 (reserved)
> (XEN) 00000000ff780000 - 0000000100000000 (reserved)
> (XEN) 0000000100000000 - 0000000140000000 (usable)
> (XEN) ACPI: RSDP 000FB840, 0024 (r2 ACPIAM)
> (XEN) ACPI: XSDT BFFC0100, 004C (r1 A_M_I_ OEMXSDT 3000826 MSFT 97)
> (XEN) ACPI: FACP BFFC0290, 00F4 (r3 A_M_I_ OEMFACP 3000826 MSFT 97)
> (XEN) ACPI: DSDT BFFC05C0, 4E38 (r1 A0557 A0557000 0 INTL 20051117)
> (XEN) ACPI: FACS BFFCE000, 0040
> (XEN) ACPI: APIC BFFC0390, 0070 (r1 A_M_I_ OEMAPIC 3000826 MSFT 97)
> (XEN) ACPI: MCFG BFFC0400, 003C (r1 A_M_I_ OEMMCFG 3000826 MSFT 97)
> (XEN) ACPI: OEMB BFFCE040, 0060 (r1 A_M_I_ AMI_OEM 3000826 MSFT 97)
> (XEN) ACPI: HPET BFFC5400, 0038 (r1 A_M_I_ OEMHPET0 3000826 MSFT 97)
> (XEN) System RAM: 4095MB (4193660kB)
> (XEN) No NUMA configuration found
> (XEN) Faking a node at 0000000000000000-0000000140000000
> (XEN) Domain heap initialised
> (XEN) found SMP MP-table at 000ff780
> (XEN) DMI present.
> (XEN) APIC boot state is 'xapic'
> (XEN) Using APIC driver default
> (XEN) ACPI: PM-Timer IO Port: 0x508
> (XEN) ACPI: ACPI SLEEP INFO: pm1x_cnt[504,0], pm1x_evt[500,0]
> (XEN) ACPI: wakeup_vec[bffce00c], vec_size[20]
> (XEN) ACPI: Local APIC address 0xfee00000
> (XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
> (XEN) Processor #0 15:3 APIC version 16
> (XEN) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
> (XEN) Processor #1 15:3 APIC version 16
> (XEN) ACPI: IOAPIC (id[0x02] address[0xfec00000] gsi_base[0])
> (XEN) IOAPIC[0]: apic_id 2, version 17, address 0xfec00000, GSI 0-23
> (XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 0 dfl dfl)
> (XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
> (XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 14 global_irq 14 high edge)
> (XEN) ACPI: INT_SRC_OVR (bus 0 bus_irq 15 global_irq 15 high edge)
> (XEN) ACPI: IRQ0 used by override.
> (XEN) ACPI: IRQ9 used by override.
> (XEN) ACPI: IRQ14 used by override.
> (XEN) ACPI: IRQ15 used by override.
> (XEN) Enabling APIC mode: Flat. Using 1 I/O APICs
> (XEN) ACPI: HPET id: 0x10de8201 base: 0xfed00000
> (XEN) PCI: MCFG configuration 0: base e0000000 segment 0 buses 0 - 255
> (XEN) PCI: Not using MMCONFIG.
> (XEN) Table is not found!
> (XEN) Using ACPI (MADT) for SMP configuration information
> (XEN) mapped APIC to ffff82c3ffffe000 (fee00000)
> (XEN) mapped IOAPIC to ffff82c3ffffd000 (fec00000)
> (XEN) IRQ limits: 24 GSI, 376 MSI/MSI-X
> (XEN) Using scheduler: SMP Credit Scheduler (credit)
> (XEN) Detected 2611.867 MHz processor.
> (XEN) Initing memory sharing.
> (XEN) AMD K8 machine check reporting enabled
> (XEN) AMD-Vi: IOMMU not found!
> (XEN) I/O virtualisation disabled
> (XEN) Getting VERSION: 80050010
> (XEN) Getting VERSION: 80050010
> (XEN) Getting ID: 0
> (XEN) Getting LVT0: 700
> (XEN) Getting LVT1: 400
> (XEN) enabled ExtINT on CPU#0
> (XEN) ESR value before enabling vector: 0x00000004 after: 0x00000000
> (XEN) ENABLING IO-APIC IRQs
> (XEN) -> Using new ACK method
> (XEN) init IO_APIC IRQs
> (XEN) IO-APIC (apicid-pin) 2-16, 2-17, 2-18, 2-19, 2-20, 2-21, 2-22,
> 2-23 not connected.
> (XEN) ..TIMER: vector=3D0xF0 apic1=3D0 pin1=3D0 apic2=3D-1 pin2=3D-1
> (XEN) ..MP-BIOS bug: 8254 timer not connected to IO-APIC
> (XEN) ...trying to set up timer (IRQ0) through the 8259A ... failed.
> (XEN) ...trying to set up timer as Virtual Wire IRQ... failed.
> (XEN) ...trying to set up timer as ExtINT IRQ... failed :(.
> (XEN)
> (XEN) ****************************************
> (XEN) Panic on CPU 0:
> (XEN) IO-APIC + timer doesn't work! Boot with apic_verbosity=3Ddebug an=
d
> send a report. Then try booting with the 'noapic'
> option****************************************
> (XEN)
> (XEN) Reboot in five seconds...
>
>
>
> Am 20.12.2011 12:01, schrieb Florian Manschwetus:
>> Adding apic_verbosity=3Ddebug gives me that (hope nothing miss-typed a=
s I
>> have no serial console on this box). I found a lot of suggested
>> workarounds:
>> - noapic as suggested in output gives an noapic isn't support
>> - acpi_skip_timer_override has no effect at all
>>
>> Thx,
>> Florian
>>
>> (XEN) Initing memory sharing.
>> (XEN) AMD-Vi: IOMMU not found!
>> (XEN) I/O virtualisation disabled
>> (XEN) Getting VERSION: 8005010
>> (XEN) Getting VERSION: 8005010
>> (XEN) Getting ID: 0
>> (XEN) Getting LVT0: 700
>> (XEN) Getting LVT1: 400
>> (XEN) enabled ExtINT on CPU#0
>> (XEN) ESR value before enabling vector: 0x00000004 after: 0x0000000
>> (XEN) ENABLING IO-APIC IRQs
>> (XEN) -> Using new ACK method
>> (XEN) ..MP-BIOS bug: 8254 timer not connected to IO-APIC
>> (XEN)
>> (XEN) *****************************************************
>> (XEN) Panic on CPU 0:
>> (XEN) IO-APIC + timer doesn't work! Boot with apic_verbosity=3Ddebug a=
nd
>> send a report. Then try booting with hte 'noapic'
>> option****************************
>>
>>
>>
>> _______________________________________________
>> Xen-users mailing list
>> Xen-users@lists.xensource.com
>> http://lists.xensource.com/xen-users
>
>
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users



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Folks
I did a 'delete' of a XEN server from Xen Center before shutting the 
server machine down to do some hardware maintenance on it.  When I 
brought the XEN Server machine back up, XEN Center refuses to accept it!!
I can't find anything about server 'delete' in the help files.

How do I reverse the 'delete' from XEN Center??

Thanks for the help

Dave Nordlund

-- 
Dave Nordlund                785-766-2136 CELL
DBA Nordlund Consultancy     dave@nordlund.org
5222 Eisenhower Ter          785-842-6835  FAX
Lawrence, KS  66049


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Folks
I did a 'delete' of a XEN server from Xen Center before shutting the 
server machine down to do some hardware maintenance on it.  When I 
brought the XEN Server machine back up, XEN Center refuses to accept it!!
I can't find anything about server 'delete' in the help files.

How do I reverse the 'delete' from XEN Center??

Thanks for the help

Dave Nordlund

-- 
Dave Nordlund                785-766-2136 CELL
DBA Nordlund Consultancy     dave@nordlund.org
5222 Eisenhower Ter          785-842-6835  FAX
Lawrence, KS  66049


_______________________________________________
Xen-users mailing list
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http://lists.xensource.com/xen-users

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To: xen-users@lists.xensource.com
Subject: [Xen-users] why errors happen when two vms start concurrently ?
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Hello , All ,

when I start two vms used VHD as virtual disk concurrently , the two return
errors sometimes ,
they return different errors :

one is :
Error: Device 51952 (tap2) could not be connected. Hotplug scripts not
working.

the other is :
Error: Device 0 (vif) could not be connected. Hotplug scripts not working.

if I start one after another , it works well .
how does it happen ?

xen : 4.1.2
dom0 : centos5.6
domU : centos5.6

Thanks in advance !
Bryant

--e89a8f5039646c99e304b4a58bfa
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

Hello , All ,<div><br></div><div>when I start two vms used VHD as virtual d=
isk concurrently , the two return errors sometimes ,</div><div>they return =
different errors :</div><div><br></div><div>one is :</div><div>Error: Devic=
e 51952 (tap2) could not be connected. Hotplug scripts not working.</div>
<div><br></div><div>the other is :=A0</div><div>Error: Device 0 (vif) could=
 not be connected. Hotplug scripts not working.</div><div><br></div><div>if=
 I start one after another , it works well .</div><div>how does it happen ?=
</div>
<div><br></div><div>xen : 4.1.2</div><div>dom0 : centos5.6</div><div>domU :=
 centos5.6</div><div><br></div><div>Thanks in advance !</div><div>Bryant</d=
iv>

--e89a8f5039646c99e304b4a58bfa--


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--===============7228847210611718211==--


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--e89a8f5039646c99e304b4a58bfa
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Hello , All ,

when I start two vms used VHD as virtual disk concurrently , the two return
errors sometimes ,
they return different errors :

one is :
Error: Device 51952 (tap2) could not be connected. Hotplug scripts not
working.

the other is :
Error: Device 0 (vif) could not be connected. Hotplug scripts not working.

if I start one after another , it works well .
how does it happen ?

xen : 4.1.2
dom0 : centos5.6
domU : centos5.6

Thanks in advance !
Bryant

--e89a8f5039646c99e304b4a58bfa
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

Hello , All ,<div><br></div><div>when I start two vms used VHD as virtual d=
isk concurrently , the two return errors sometimes ,</div><div>they return =
different errors :</div><div><br></div><div>one is :</div><div>Error: Devic=
e 51952 (tap2) could not be connected. Hotplug scripts not working.</div>
<div><br></div><div>the other is :=A0</div><div>Error: Device 0 (vif) could=
 not be connected. Hotplug scripts not working.</div><div><br></div><div>if=
 I start one after another , it works well .</div><div>how does it happen ?=
</div>
<div><br></div><div>xen : 4.1.2</div><div>dom0 : centos5.6</div><div>domU :=
 centos5.6</div><div><br></div><div>Thanks in advance !</div><div>Bryant</d=
iv>

--e89a8f5039646c99e304b4a58bfa--


--===============7228847210611718211==
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_______________________________________________
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--===============7228847210611718211==--


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From: Grant McWilliams <grantmasterflash@gmail.com>
Date: Wed, 21 Dec 2011 20:51:55 -0800
Message-ID: <CAGnmK4z=fKvvUjDN8upcQHML8T7mSK8ar_fS0Gi5HrDBiYv+2A@mail.gmail.com>
To: Bryant Kobe <shijie1234321@gmail.com>
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] why errors happen when two vms start concurrently ?
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On Wed, Dec 21, 2011 at 7:03 PM, Bryant Kobe <shijie1234321@gmail.com>wrote:

> Hello , All ,
>
> when I start two vms used VHD as virtual disk concurrently , the two
> return errors sometimes ,
> they return different errors :
>
> one is :
> Error: Device 51952 (tap2) could not be connected. Hotplug scripts not
> working.
>
> the other is :
> Error: Device 0 (vif) could not be connected. Hotplug scripts not working.
>
> if I start one after another , it works well .
> how does it happen ?
>
> xen : 4.1.2
> dom0 : centos5.6
> domU : centos5.6
>
> Thanks in advance !
> Bryant
>


Yeah, I battled that forever and finally gave up. It gets better if you're
using LVM for disks (and you're not limited to somewhere around 100 disks).
I finally put a 30 second wait time in my scripts that started my VMs
because I often started 50 at one time. This means it would take 25 minutes
to start them but they'd start reliably. I also added a wait in there so
every 4 that started it would wait until they were booted up before going
on.

I've since moved to XCP and I can start all 50 at the same time without
issues and it doesn't seem to matter what kind of disks I have. I can now
start 50 and have the prompt back in a matter of minutes.

Sorry I don't have a better answer for you. Sometimes after I'd get that
error I wouldn't be able to start ANYTHING again until a reboot. That was
on Xen 3.4.


Grant McWilliams
http://grantmcwilliams.com/

Some people, when confronted with a problem, think "I know, I'll use
Windows."
Now they have two problems.

--f46d04339dd6b5442a04b4a71109
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<br><div class=3D"gmail_quote">On Wed, Dec 21, 2011 at 7:03 PM, Bryant Kobe=
 <span dir=3D"ltr">&lt;<a href=3D"mailto:shijie1234321@gmail.com">shijie123=
4321@gmail.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" s=
tyle=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

Hello , All ,<div><br></div><div>when I start two vms used VHD as virtual d=
isk concurrently , the two return errors sometimes ,</div><div>they return =
different errors :</div><div><br></div><div>one is :</div><div>Error: Devic=
e 51952 (tap2) could not be connected. Hotplug scripts not working.</div>


<div><br></div><div>the other is :=C2=A0</div><div>Error: Device 0 (vif) co=
uld not be connected. Hotplug scripts not working.</div><div><br></div><div=
>if I start one after another , it works well .</div><div>how does it happe=
n ?</div>


<div><br></div><div>xen : 4.1.2</div><div>dom0 : centos5.6</div><div>domU :=
 centos5.6</div><div><br></div><div>Thanks in advance !</div><div>Bryant</d=
iv>
</blockquote></div><br><div><br></div><div>Yeah, I battled that forever and=
 finally gave up. It gets better if you&#39;re using LVM for disks (and you=
&#39;re not limited to somewhere around 100 disks). I finally put a 30 seco=
nd wait time in my scripts that started my VMs because I often started 50 a=
t one time. This means it would take 25 minutes to start them but they&#39;=
d start reliably. I also added a wait in there so every 4 that started it w=
ould wait until they were booted up before going on.=C2=A0</div>

<div><br></div><div>I&#39;ve since moved to XCP and I can start all 50 at t=
he same time without issues and it doesn&#39;t seem to matter what kind of =
disks I have. I can now start 50 and have the prompt back in a matter of mi=
nutes.</div>

<div><br></div><div>Sorry I don&#39;t have a better answer for you. Sometim=
es after I&#39;d get that error I wouldn&#39;t be able to start ANYTHING ag=
ain until a reboot. That was on Xen 3.4.</div><div><br></div><div><br clear=
=3D"all">

Grant McWilliams<br><a href=3D"http://grantmcwilliams.com/" target=3D"_blan=
k">http://grantmcwilliams.com/</a><br><br>Some people, when confronted with=
 a problem, think &quot;I know, I&#39;ll use Windows.&quot;=C2=A0<br>Now th=
ey have two problems.</div>


--f46d04339dd6b5442a04b4a71109--


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From: Grant McWilliams <grantmasterflash@gmail.com>
Date: Wed, 21 Dec 2011 20:51:55 -0800
Message-ID: <CAGnmK4z=fKvvUjDN8upcQHML8T7mSK8ar_fS0Gi5HrDBiYv+2A@mail.gmail.com>
To: Bryant Kobe <shijie1234321@gmail.com>
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] why errors happen when two vms start concurrently ?
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On Wed, Dec 21, 2011 at 7:03 PM, Bryant Kobe <shijie1234321@gmail.com>wrote:

> Hello , All ,
>
> when I start two vms used VHD as virtual disk concurrently , the two
> return errors sometimes ,
> they return different errors :
>
> one is :
> Error: Device 51952 (tap2) could not be connected. Hotplug scripts not
> working.
>
> the other is :
> Error: Device 0 (vif) could not be connected. Hotplug scripts not working.
>
> if I start one after another , it works well .
> how does it happen ?
>
> xen : 4.1.2
> dom0 : centos5.6
> domU : centos5.6
>
> Thanks in advance !
> Bryant
>


Yeah, I battled that forever and finally gave up. It gets better if you're
using LVM for disks (and you're not limited to somewhere around 100 disks).
I finally put a 30 second wait time in my scripts that started my VMs
because I often started 50 at one time. This means it would take 25 minutes
to start them but they'd start reliably. I also added a wait in there so
every 4 that started it would wait until they were booted up before going
on.

I've since moved to XCP and I can start all 50 at the same time without
issues and it doesn't seem to matter what kind of disks I have. I can now
start 50 and have the prompt back in a matter of minutes.

Sorry I don't have a better answer for you. Sometimes after I'd get that
error I wouldn't be able to start ANYTHING again until a reboot. That was
on Xen 3.4.


Grant McWilliams
http://grantmcwilliams.com/

Some people, when confronted with a problem, think "I know, I'll use
Windows."
Now they have two problems.

--f46d04339dd6b5442a04b4a71109
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<br><div class=3D"gmail_quote">On Wed, Dec 21, 2011 at 7:03 PM, Bryant Kobe=
 <span dir=3D"ltr">&lt;<a href=3D"mailto:shijie1234321@gmail.com">shijie123=
4321@gmail.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" s=
tyle=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

Hello , All ,<div><br></div><div>when I start two vms used VHD as virtual d=
isk concurrently , the two return errors sometimes ,</div><div>they return =
different errors :</div><div><br></div><div>one is :</div><div>Error: Devic=
e 51952 (tap2) could not be connected. Hotplug scripts not working.</div>


<div><br></div><div>the other is :=C2=A0</div><div>Error: Device 0 (vif) co=
uld not be connected. Hotplug scripts not working.</div><div><br></div><div=
>if I start one after another , it works well .</div><div>how does it happe=
n ?</div>


<div><br></div><div>xen : 4.1.2</div><div>dom0 : centos5.6</div><div>domU :=
 centos5.6</div><div><br></div><div>Thanks in advance !</div><div>Bryant</d=
iv>
</blockquote></div><br><div><br></div><div>Yeah, I battled that forever and=
 finally gave up. It gets better if you&#39;re using LVM for disks (and you=
&#39;re not limited to somewhere around 100 disks). I finally put a 30 seco=
nd wait time in my scripts that started my VMs because I often started 50 a=
t one time. This means it would take 25 minutes to start them but they&#39;=
d start reliably. I also added a wait in there so every 4 that started it w=
ould wait until they were booted up before going on.=C2=A0</div>

<div><br></div><div>I&#39;ve since moved to XCP and I can start all 50 at t=
he same time without issues and it doesn&#39;t seem to matter what kind of =
disks I have. I can now start 50 and have the prompt back in a matter of mi=
nutes.</div>

<div><br></div><div>Sorry I don&#39;t have a better answer for you. Sometim=
es after I&#39;d get that error I wouldn&#39;t be able to start ANYTHING ag=
ain until a reboot. That was on Xen 3.4.</div><div><br></div><div><br clear=
=3D"all">

Grant McWilliams<br><a href=3D"http://grantmcwilliams.com/" target=3D"_blan=
k">http://grantmcwilliams.com/</a><br><br>Some people, when confronted with=
 a problem, think &quot;I know, I&#39;ll use Windows.&quot;=C2=A0<br>Now th=
ey have two problems.</div>


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From: Bryant Kobe <shijie1234321@gmail.com>
To: Grant McWilliams <grantmasterflash@gmail.com>
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] why errors happen when two vms start concurrently ?
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hello, Grant ,
other vms can also be started after these two errors occurred in
my server , even the vm just error happened can also be started
if you reexecute " xm start *** ".
I have printed many logs in xend source code , but find no implies.
I've no idea what the next direction I should go to solve the problem.
I don't want to change my system .

Bryant

2011/12/22 Grant McWilliams <grantmasterflash@gmail.com>

>
> On Wed, Dec 21, 2011 at 7:03 PM, Bryant Kobe <shijie1234321@gmail.com>wrote:
>
>> Hello , All ,
>>
>> when I start two vms used VHD as virtual disk concurrently , the two
>> return errors sometimes ,
>> they return different errors :
>>
>> one is :
>> Error: Device 51952 (tap2) could not be connected. Hotplug scripts not
>> working.
>>
>> the other is :
>> Error: Device 0 (vif) could not be connected. Hotplug scripts not working.
>>
>> if I start one after another , it works well .
>> how does it happen ?
>>
>> xen : 4.1.2
>> dom0 : centos5.6
>> domU : centos5.6
>>
>> Thanks in advance !
>> Bryant
>>
>
>
> Yeah, I battled that forever and finally gave up. It gets better if you're
> using LVM for disks (and you're not limited to somewhere around 100 disks).
> I finally put a 30 second wait time in my scripts that started my VMs
> because I often started 50 at one time. This means it would take 25 minutes
> to start them but they'd start reliably. I also added a wait in there so
> every 4 that started it would wait until they were booted up before going
> on.
>
> I've since moved to XCP and I can start all 50 at the same time without
> issues and it doesn't seem to matter what kind of disks I have. I can now
> start 50 and have the prompt back in a matter of minutes.
>
> Sorry I don't have a better answer for you. Sometimes after I'd get that
> error I wouldn't be able to start ANYTHING again until a reboot. That was
> on Xen 3.4.
>
>
> Grant McWilliams
> http://grantmcwilliams.com/
>
> Some people, when confronted with a problem, think "I know, I'll use
> Windows."
> Now they have two problems.
>

--14dae9399b55d2dd2c04b4a7f2ea
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

hello, Grant ,<div>other vms can also be started after these two errors occ=
urred in=A0</div><div>my server , even the vm just error happened can also =
be started=A0</div><div>if you reexecute &quot; xm start *** &quot;.=A0</di=
v><div>
I have printed many logs in xend source code , but find no implies.</div><d=
iv>I&#39;ve no idea what the next direction I should go to solve the proble=
m.=A0</div><div>I don&#39;t want to change my system .</div><div><br></div>
<div>Bryant</div><div><br><div class=3D"gmail_quote">2011/12/22 Grant McWil=
liams <span dir=3D"ltr">&lt;<a href=3D"mailto:grantmasterflash@gmail.com">g=
rantmasterflash@gmail.com</a>&gt;</span><br><blockquote class=3D"gmail_quot=
e" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class=3D"HOEnZb"><div class=3D"h5"><br><div class=3D"gmail_quote">On W=
ed, Dec 21, 2011 at 7:03 PM, Bryant Kobe <span dir=3D"ltr">&lt;<a href=3D"m=
ailto:shijie1234321@gmail.com" target=3D"_blank">shijie1234321@gmail.com</a=
>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">

Hello , All ,<div><br></div><div>when I start two vms used VHD as virtual d=
isk concurrently , the two return errors sometimes ,</div><div>they return =
different errors :</div><div><br></div><div>one is :</div><div>Error: Devic=
e 51952 (tap2) could not be connected. Hotplug scripts not working.</div>



<div><br></div><div>the other is :=A0</div><div>Error: Device 0 (vif) could=
 not be connected. Hotplug scripts not working.</div><div><br></div><div>if=
 I start one after another , it works well .</div><div>how does it happen ?=
</div>



<div><br></div><div>xen : 4.1.2</div><div>dom0 : centos5.6</div><div>domU :=
 centos5.6</div><div><br></div><div>Thanks in advance !</div><div>Bryant</d=
iv>
</blockquote></div><br><div><br></div></div></div><div>Yeah, I battled that=
 forever and finally gave up. It gets better if you&#39;re using LVM for di=
sks (and you&#39;re not limited to somewhere around 100 disks). I finally p=
ut a 30 second wait time in my scripts that started my VMs because I often =
started 50 at one time. This means it would take 25 minutes to start them b=
ut they&#39;d start reliably. I also added a wait in there so every 4 that =
started it would wait until they were booted up before going on.=A0</div>


<div><br></div><div>I&#39;ve since moved to XCP and I can start all 50 at t=
he same time without issues and it doesn&#39;t seem to matter what kind of =
disks I have. I can now start 50 and have the prompt back in a matter of mi=
nutes.</div>


<div><br></div><div>Sorry I don&#39;t have a better answer for you. Sometim=
es after I&#39;d get that error I wouldn&#39;t be able to start ANYTHING ag=
ain until a reboot. That was on Xen 3.4.</div><div><br></div><div><br clear=
=3D"all">


Grant McWilliams<br><a href=3D"http://grantmcwilliams.com/" target=3D"_blan=
k">http://grantmcwilliams.com/</a><br><br>Some people, when confronted with=
 a problem, think &quot;I know, I&#39;ll use Windows.&quot;=A0<br>Now they =
have two problems.</div>


</blockquote></div><br></div>

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From: Bryant Kobe <shijie1234321@gmail.com>
To: Grant McWilliams <grantmasterflash@gmail.com>
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] why errors happen when two vms start concurrently ?
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hello, Grant ,
other vms can also be started after these two errors occurred in
my server , even the vm just error happened can also be started
if you reexecute " xm start *** ".
I have printed many logs in xend source code , but find no implies.
I've no idea what the next direction I should go to solve the problem.
I don't want to change my system .

Bryant

2011/12/22 Grant McWilliams <grantmasterflash@gmail.com>

>
> On Wed, Dec 21, 2011 at 7:03 PM, Bryant Kobe <shijie1234321@gmail.com>wrote:
>
>> Hello , All ,
>>
>> when I start two vms used VHD as virtual disk concurrently , the two
>> return errors sometimes ,
>> they return different errors :
>>
>> one is :
>> Error: Device 51952 (tap2) could not be connected. Hotplug scripts not
>> working.
>>
>> the other is :
>> Error: Device 0 (vif) could not be connected. Hotplug scripts not working.
>>
>> if I start one after another , it works well .
>> how does it happen ?
>>
>> xen : 4.1.2
>> dom0 : centos5.6
>> domU : centos5.6
>>
>> Thanks in advance !
>> Bryant
>>
>
>
> Yeah, I battled that forever and finally gave up. It gets better if you're
> using LVM for disks (and you're not limited to somewhere around 100 disks).
> I finally put a 30 second wait time in my scripts that started my VMs
> because I often started 50 at one time. This means it would take 25 minutes
> to start them but they'd start reliably. I also added a wait in there so
> every 4 that started it would wait until they were booted up before going
> on.
>
> I've since moved to XCP and I can start all 50 at the same time without
> issues and it doesn't seem to matter what kind of disks I have. I can now
> start 50 and have the prompt back in a matter of minutes.
>
> Sorry I don't have a better answer for you. Sometimes after I'd get that
> error I wouldn't be able to start ANYTHING again until a reboot. That was
> on Xen 3.4.
>
>
> Grant McWilliams
> http://grantmcwilliams.com/
>
> Some people, when confronted with a problem, think "I know, I'll use
> Windows."
> Now they have two problems.
>

--14dae9399b55d2dd2c04b4a7f2ea
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

hello, Grant ,<div>other vms can also be started after these two errors occ=
urred in=A0</div><div>my server , even the vm just error happened can also =
be started=A0</div><div>if you reexecute &quot; xm start *** &quot;.=A0</di=
v><div>
I have printed many logs in xend source code , but find no implies.</div><d=
iv>I&#39;ve no idea what the next direction I should go to solve the proble=
m.=A0</div><div>I don&#39;t want to change my system .</div><div><br></div>
<div>Bryant</div><div><br><div class=3D"gmail_quote">2011/12/22 Grant McWil=
liams <span dir=3D"ltr">&lt;<a href=3D"mailto:grantmasterflash@gmail.com">g=
rantmasterflash@gmail.com</a>&gt;</span><br><blockquote class=3D"gmail_quot=
e" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class=3D"HOEnZb"><div class=3D"h5"><br><div class=3D"gmail_quote">On W=
ed, Dec 21, 2011 at 7:03 PM, Bryant Kobe <span dir=3D"ltr">&lt;<a href=3D"m=
ailto:shijie1234321@gmail.com" target=3D"_blank">shijie1234321@gmail.com</a=
>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">

Hello , All ,<div><br></div><div>when I start two vms used VHD as virtual d=
isk concurrently , the two return errors sometimes ,</div><div>they return =
different errors :</div><div><br></div><div>one is :</div><div>Error: Devic=
e 51952 (tap2) could not be connected. Hotplug scripts not working.</div>



<div><br></div><div>the other is :=A0</div><div>Error: Device 0 (vif) could=
 not be connected. Hotplug scripts not working.</div><div><br></div><div>if=
 I start one after another , it works well .</div><div>how does it happen ?=
</div>



<div><br></div><div>xen : 4.1.2</div><div>dom0 : centos5.6</div><div>domU :=
 centos5.6</div><div><br></div><div>Thanks in advance !</div><div>Bryant</d=
iv>
</blockquote></div><br><div><br></div></div></div><div>Yeah, I battled that=
 forever and finally gave up. It gets better if you&#39;re using LVM for di=
sks (and you&#39;re not limited to somewhere around 100 disks). I finally p=
ut a 30 second wait time in my scripts that started my VMs because I often =
started 50 at one time. This means it would take 25 minutes to start them b=
ut they&#39;d start reliably. I also added a wait in there so every 4 that =
started it would wait until they were booted up before going on.=A0</div>


<div><br></div><div>I&#39;ve since moved to XCP and I can start all 50 at t=
he same time without issues and it doesn&#39;t seem to matter what kind of =
disks I have. I can now start 50 and have the prompt back in a matter of mi=
nutes.</div>


<div><br></div><div>Sorry I don&#39;t have a better answer for you. Sometim=
es after I&#39;d get that error I wouldn&#39;t be able to start ANYTHING ag=
ain until a reboot. That was on Xen 3.4.</div><div><br></div><div><br clear=
=3D"all">


Grant McWilliams<br><a href=3D"http://grantmcwilliams.com/" target=3D"_blan=
k">http://grantmcwilliams.com/</a><br><br>Some people, when confronted with=
 a problem, think &quot;I know, I&#39;ll use Windows.&quot;=A0<br>Now they =
have two problems.</div>


</blockquote></div><br></div>

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To: "xen-users@lists.xensource.com" <xen-users@lists.xensource.com>
Subject: [Xen-users] Xen 3.2-1 (Debian) migration Windows 2003 HVM from
 Intel to AMD and vice versa
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Hi,

I need to migrate a Windows 2003 HVM from an Intel server to an AMD
server and another one the other way around. Both servers are running
Debian Lenny with Xen 3.2-1. The GPLPV drivers are installed on both
Windows 2003 HVMs and both are configured with two CPUs.

I've tried it straight (ie. without making any changes). I've tried
updated the HAL from MPS to Standard PC then making the image backup and
restoring that on the other server. I'm still getting a BSOD when
starting the Windows 2003 HVM on the AMD server.

I'm using Acronis Backup & Restore with Universal Restore to make and
restore the image backups.

Any ideas how I can proceed with this?

regards,
Jan


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Hi,

I need to migrate a Windows 2003 HVM from an Intel server to an AMD
server and another one the other way around. Both servers are running
Debian Lenny with Xen 3.2-1. The GPLPV drivers are installed on both
Windows 2003 HVMs and both are configured with two CPUs.

I've tried it straight (ie. without making any changes). I've tried
updated the HAL from MPS to Standard PC then making the image backup and
restoring that on the other server. I'm still getting a BSOD when
starting the Windows 2003 HVM on the AMD server.

I'm using Acronis Backup & Restore with Universal Restore to make and
restore the image backups.

Any ideas how I can proceed with this?

regards,
Jan


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Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] why errors happen when two vms start concurrently ?
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On Wed, Dec 21, 2011 at 9:55 PM, Bryant Kobe <shijie1234321@gmail.com>wrote:

> hello, Grant ,
> other vms can also be started after these two errors occurred in
> my server , even the vm just error happened can also be started
> if you reexecute " xm start *** ".
>  I have printed many logs in xend source code , but find no implies.
> I've no idea what the next direction I should go to solve the problem.
> I don't want to change my system .
>
>  Bryant
>
>
It was always my theory that there should be some locking somewhere but it
isn't there. For instance if you start two VMs and both access the same
resource at the same time one tramples on the other.  This was just a gut
feeling though. It just seemed that xm needed to lock the resources when
creating the disk/net interfaces then releasing it so the next process
could have it. Again I worked around it after fighting it for months. I
found that for the first 15 VMs they'd all start fine but after that the
system would start to really slow down (since a lot of VMs are hitting
their disks at the same time) and the errors would start. If I started them
slowly one at a time they worked fine. It seems that this problem happens
right at the beginning of the xm create process.

Moving to LVM for disks did improve it for me. Again I'd guess that it's
just because the process needed to use an LV is a lot shorter than to
create a tapdisk to access a file.

Grant McWilliams

--f46d04339dd64ec38b04b4a8efd9
Content-Type: text/html; charset=UTF-8
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<div class=3D"gmail_quote">On Wed, Dec 21, 2011 at 9:55 PM, Bryant Kobe <sp=
an dir=3D"ltr">&lt;<a href=3D"mailto:shijie1234321@gmail.com">shijie1234321=
@gmail.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=
=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

hello, Grant ,<div>other vms can also be started after these two errors occ=
urred in=C2=A0</div><div>my server , even the vm just error happened can al=
so be started=C2=A0</div><div>if you reexecute &quot; xm start *** &quot;.=
=C2=A0</div>

<div>
I have printed many logs in xend source code , but find no implies.</div><d=
iv>I&#39;ve no idea what the next direction I should go to solve the proble=
m.=C2=A0</div><div>I don&#39;t want to change my system .</div><div><br></d=
iv>

<font color=3D"#888888">
<div>Bryant</div></font><div><div></div><div class=3D"h5"><div><br></div></=
div></div></blockquote><div><br></div><div>It was always my theory that the=
re should be some locking somewhere but it isn&#39;t there. For instance if=
 you start two VMs and both access the same resource at the same time one t=
ramples on the other.=C2=A0=C2=A0This was just a gut feeling though. It jus=
t seemed that xm needed to lock the resources when creating the disk/net in=
terfaces then releasing it so the next process could have it. Again I worke=
d around it after fighting it for months. I found that for the first 15 VMs=
 they&#39;d all start fine but after that the system would start to really =
slow down (since a lot of VMs are hitting their disks at the same time) and=
 the errors would start. If I started them slowly one at a time they worked=
 fine. It seems that this problem happens right at the beginning of the xm =
create process.</div>

<div><br></div><div>Moving to LVM for disks did improve it for me. Again I&=
#39;d guess that it&#39;s just because the process needed to use an LV is a=
 lot shorter than to create a tapdisk to access a file.</div><div><br>
</div>
<div>Grant McWilliams</div></div>

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From: Grant McWilliams <grantmasterflash@gmail.com>
Date: Wed, 21 Dec 2011 23:05:28 -0800
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Subject: Re: [Xen-users] why errors happen when two vms start concurrently ?
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On Wed, Dec 21, 2011 at 9:55 PM, Bryant Kobe <shijie1234321@gmail.com>wrote:

> hello, Grant ,
> other vms can also be started after these two errors occurred in
> my server , even the vm just error happened can also be started
> if you reexecute " xm start *** ".
>  I have printed many logs in xend source code , but find no implies.
> I've no idea what the next direction I should go to solve the problem.
> I don't want to change my system .
>
>  Bryant
>
>
It was always my theory that there should be some locking somewhere but it
isn't there. For instance if you start two VMs and both access the same
resource at the same time one tramples on the other.  This was just a gut
feeling though. It just seemed that xm needed to lock the resources when
creating the disk/net interfaces then releasing it so the next process
could have it. Again I worked around it after fighting it for months. I
found that for the first 15 VMs they'd all start fine but after that the
system would start to really slow down (since a lot of VMs are hitting
their disks at the same time) and the errors would start. If I started them
slowly one at a time they worked fine. It seems that this problem happens
right at the beginning of the xm create process.

Moving to LVM for disks did improve it for me. Again I'd guess that it's
just because the process needed to use an LV is a lot shorter than to
create a tapdisk to access a file.

Grant McWilliams

--f46d04339dd64ec38b04b4a8efd9
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div class=3D"gmail_quote">On Wed, Dec 21, 2011 at 9:55 PM, Bryant Kobe <sp=
an dir=3D"ltr">&lt;<a href=3D"mailto:shijie1234321@gmail.com">shijie1234321=
@gmail.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=
=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

hello, Grant ,<div>other vms can also be started after these two errors occ=
urred in=C2=A0</div><div>my server , even the vm just error happened can al=
so be started=C2=A0</div><div>if you reexecute &quot; xm start *** &quot;.=
=C2=A0</div>

<div>
I have printed many logs in xend source code , but find no implies.</div><d=
iv>I&#39;ve no idea what the next direction I should go to solve the proble=
m.=C2=A0</div><div>I don&#39;t want to change my system .</div><div><br></d=
iv>

<font color=3D"#888888">
<div>Bryant</div></font><div><div></div><div class=3D"h5"><div><br></div></=
div></div></blockquote><div><br></div><div>It was always my theory that the=
re should be some locking somewhere but it isn&#39;t there. For instance if=
 you start two VMs and both access the same resource at the same time one t=
ramples on the other.=C2=A0=C2=A0This was just a gut feeling though. It jus=
t seemed that xm needed to lock the resources when creating the disk/net in=
terfaces then releasing it so the next process could have it. Again I worke=
d around it after fighting it for months. I found that for the first 15 VMs=
 they&#39;d all start fine but after that the system would start to really =
slow down (since a lot of VMs are hitting their disks at the same time) and=
 the errors would start. If I started them slowly one at a time they worked=
 fine. It seems that this problem happens right at the beginning of the xm =
create process.</div>

<div><br></div><div>Moving to LVM for disks did improve it for me. Again I&=
#39;d guess that it&#39;s just because the process needed to use an LV is a=
 lot shorter than to create a tapdisk to access a file.</div><div><br>
</div>
<div>Grant McWilliams</div></div>

--f46d04339dd64ec38b04b4a8efd9--


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_______________________________________________
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Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users
--===============0233837312546885229==--


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To: xen-users@lists.xensource.com
Subject: [Xen-users] incomplete wiki page
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Hi,

I was browsing the xen.org wiki when I realised that the 
Xen_Kernel_Feature_Matrix page misses some informations.
A table compares features of differents kernel source trees:

 1. xen.org linux-2.6.18-xen (Xenlinux)
 2. Citrix Xen-Server / Xen Cloud Platform (XCP) Linux 2.6.27 and 2.6.32
    (Xenlinux)
 3. Novell SLES11 SP1 Linux 2.6.32 forward-ported patches by Andrew Lyon
    (Xenlinux)
 4. kernel.org Jeremy's xen.git xen/stable-2.6.32.x (pvops)
 5. kernel.org Linus vanilla/mainline Linux 2.6.32 - 2.6.35 (pvops)
 6. kernel.org Linus vanilla/mainline Linux 2.6.36 (pvops)
 7. kernel.org Linus vanilla/mainline Linux 2.6.37 (pvops)
 8. kernel.org Linus vanilla/mainline Linux 3.1.0 (pvops)

But in fact the table only contains 7 columns, features of kernel 3.1.0 
are missing.


-- 
<http://www.horoa.net>

Alexandre Chapellon

Ingénierie des systèmes open sources et réseaux.
Follow me on twitter: @alxgomz <http://www.twitter.com/alxgomz>


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<html>
  <head>

    <meta http-equiv="content-type" content="text/html; charset=ISO-8859-1">
  </head>
  <body bgcolor="#FFFFFF" text="#000000">
    <font size="-1">Hi,<br>
      <br>
      I was browsing the xen.org wiki when I realised that the
      Xen_Kernel_Feature_Matrix page misses some informations.<br>
      A table compares features of differents kernel source trees:<small><br>
      </small></font>
    <ol>
      <li><small> xen.org linux-2.6.18-xen (Xenlinux)
        </small></li>
      <li><small> Citrix Xen-Server / Xen Cloud Platform (XCP) Linux
          2.6.27 and 2.6.32 (Xenlinux)
        </small></li>
      <li><small> Novell SLES11 SP1 Linux 2.6.32 forward-ported patches
          by Andrew Lyon (Xenlinux)
        </small></li>
      <li><small> kernel.org Jeremy's xen.git xen/stable-2.6.32.x
          (pvops)
        </small></li>
      <li><small> kernel.org Linus vanilla/mainline Linux 2.6.32 -
          2.6.35 (pvops)
        </small></li>
      <li><small> kernel.org Linus vanilla/mainline Linux 2.6.36 (pvops)
        </small></li>
      <li><small> kernel.org Linus vanilla/mainline Linux 2.6.37 (pvops)
        </small></li>
      <li><small> kernel.org Linus vanilla/mainline Linux 3.1.0 (pvops)</small></li>
    </ol>
    <p><small>But in fact the table only contains 7 columns, features of
        kernel 3.1.0 are missing.</small><br>
    </p>
    <br>
    <div class="moz-signature">-- <br>
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          color: orange">Ing&eacute;nierie des syst&egrave;mes open sources et
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_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users
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Date: Thu, 22 Dec 2011 10:03:06 +0100
From: Alexandre Chapellon <a.chapellon@horoa.net>
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Subject: [Xen-users] incomplete wiki page
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Hi,

I was browsing the xen.org wiki when I realised that the 
Xen_Kernel_Feature_Matrix page misses some informations.
A table compares features of differents kernel source trees:

 1. xen.org linux-2.6.18-xen (Xenlinux)
 2. Citrix Xen-Server / Xen Cloud Platform (XCP) Linux 2.6.27 and 2.6.32
    (Xenlinux)
 3. Novell SLES11 SP1 Linux 2.6.32 forward-ported patches by Andrew Lyon
    (Xenlinux)
 4. kernel.org Jeremy's xen.git xen/stable-2.6.32.x (pvops)
 5. kernel.org Linus vanilla/mainline Linux 2.6.32 - 2.6.35 (pvops)
 6. kernel.org Linus vanilla/mainline Linux 2.6.36 (pvops)
 7. kernel.org Linus vanilla/mainline Linux 2.6.37 (pvops)
 8. kernel.org Linus vanilla/mainline Linux 3.1.0 (pvops)

But in fact the table only contains 7 columns, features of kernel 3.1.0 
are missing.


-- 
<http://www.horoa.net>

Alexandre Chapellon

Ingénierie des systèmes open sources et réseaux.
Follow me on twitter: @alxgomz <http://www.twitter.com/alxgomz>


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  <body bgcolor="#FFFFFF" text="#000000">
    <font size="-1">Hi,<br>
      <br>
      I was browsing the xen.org wiki when I realised that the
      Xen_Kernel_Feature_Matrix page misses some informations.<br>
      A table compares features of differents kernel source trees:<small><br>
      </small></font>
    <ol>
      <li><small> xen.org linux-2.6.18-xen (Xenlinux)
        </small></li>
      <li><small> Citrix Xen-Server / Xen Cloud Platform (XCP) Linux
          2.6.27 and 2.6.32 (Xenlinux)
        </small></li>
      <li><small> Novell SLES11 SP1 Linux 2.6.32 forward-ported patches
          by Andrew Lyon (Xenlinux)
        </small></li>
      <li><small> kernel.org Jeremy's xen.git xen/stable-2.6.32.x
          (pvops)
        </small></li>
      <li><small> kernel.org Linus vanilla/mainline Linux 2.6.32 -
          2.6.35 (pvops)
        </small></li>
      <li><small> kernel.org Linus vanilla/mainline Linux 2.6.36 (pvops)
        </small></li>
      <li><small> kernel.org Linus vanilla/mainline Linux 2.6.37 (pvops)
        </small></li>
      <li><small> kernel.org Linus vanilla/mainline Linux 3.1.0 (pvops)</small></li>
    </ol>
    <p><small>But in fact the table only contains 7 columns, features of
        kernel 3.1.0 are missing.</small><br>
    </p>
    <br>
    <div class="moz-signature">-- <br>
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        <p style="font-family: miso; font-size: 18px; padding-top: 8px;
          color: white">Alexandre Chapellon</p>
        <p style="font-family: miso; font-size: 18px; padding-top: 0px;
          color: orange">Ing&eacute;nierie des syst&egrave;mes open sources et
          r&eacute;seaux.<br>
          Follow me on twitter: <a
            href="http://www.twitter.com/alxgomz">@alxgomz</a></p>
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From xen-users-bounces@lists.xensource.com Thu Dec 22 09:51:36 2011
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Date: Thu, 22 Dec 2011 10:49:35 +0100
From: Mark van Dijk <mark@internecto.net>
To: <xen-users@lists.xensource.com>
Organization: Internecto SIS
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Subject: [Xen-users] ssh to console
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I've seen some hosts who pass their customers a username/pw. When the
customer logs in they get console access to their VPS. How can this be
done on 'plain xen' ?

Thanks,
Mark


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From: Mark van Dijk <mark@internecto.net>
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I've seen some hosts who pass their customers a username/pw. When the
customer logs in they get console access to their VPS. How can this be
done on 'plain xen' ?

Thanks,
Mark


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On Thu, Dec 22, 2011 at 4:49 PM, Mark van Dijk <mark@internecto.net> wrote:
> I've seen some hosts who pass their customers a username/pw. When the
> customer logs in they get console access to their VPS. How can this be
> done on 'plain xen' ?

Short version: you can't. Not easily anyway.

Long version:
text console access to xen is normally done using "xm console
domU_name". If you want to this to be accessible via ssh, the easiest
steps would probably be to create a user who will automatically
execute that command during login. Something like
http://oreilly.com/catalog/sshtdg/chapter/ch08.html#22858

-- 
Fajar

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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On Thu, Dec 22, 2011 at 4:49 PM, Mark van Dijk <mark@internecto.net> wrote:
> I've seen some hosts who pass their customers a username/pw. When the
> customer logs in they get console access to their VPS. How can this be
> done on 'plain xen' ?

Short version: you can't. Not easily anyway.

Long version:
text console access to xen is normally done using "xm console
domU_name". If you want to this to be accessible via ssh, the easiest
steps would probably be to create a user who will automatically
execute that command during login. Something like
http://oreilly.com/catalog/sshtdg/chapter/ch08.html#22858

-- 
Fajar

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Am Donnerstag, 22. Dezember 2011, 10:49:35 schrieb Mark van Dijk:
> I've seen some hosts who pass their customers a username/pw. When the
> customer logs in they get console access to their VPS. How can this be
> done on 'plain xen' ?
hmmm,
not shure what you mean, but usually DomU users can access their machines by 
ssh over their DomU's IP:

	ssh <domU IP>

Or what do you mean here?


cheers,


Niels.
-- 
---
Niels Dettenbach
Syndicat IT&Internet
http://www.syndicat.com/
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Am Donnerstag, 22. Dezember 2011, 10:49:35 schrieb Mark van Dijk:
> I've seen some hosts who pass their customers a username/pw. When the
> customer logs in they get console access to their VPS. How can this be
> done on 'plain xen' ?
hmmm,
not shure what you mean, but usually DomU users can access their machines by 
ssh over their DomU's IP:

	ssh <domU IP>

Or what do you mean here?


cheers,


Niels.
-- 
---
Niels Dettenbach
Syndicat IT&Internet
http://www.syndicat.com/
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From: Jacob Mansfield <cyberjacob@gmail.com>
Date: Thu, 22 Dec 2011 10:14:48 +0000
References: <E1404D53-E461-436F-8A24-4CC2D835AE5C@itvet.co.uk>
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Subject: [Xen-users] Error starting updated Debian servers
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Hi all,
After applying some updates onto a Debian web server, I rebooted it.
However it will no longer start, and generates this error in XenCenter:

22/12/2011 09:57:45 Error: Starting VM 'Web Server' - Using <class =
'grub.GrubConf.Grub2ConfigFile'>; to parse /boot/grub/grub.cfg - =
WARNING:root:Unknown directive load_video - WARNING:root:Unknown =
directive terminal_output - Traceback (most recent call last): - File =
"/usr/bin/pygrub&quot;, line 746, in ? - raise RuntimeError, "Unable to =
find partition containing kernel"; - RuntimeError: Unable to find =
partition containingkernel

This server is mission-critical, so we need it back as soon as possible.
Any ideas guys?
thanks for the help,


--
regards,
Jacob Mansfield,
Lead developer
jacob@bluesapphiremedia.co.uk

Blue Sapphire Media recommends A2 Hosting


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<html><head></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; ">Hi all,</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><br></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">After applying some =
updates onto a Debian web server, I rebooted it.</span><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; "><br></span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
">However it will no longer start, and generates this error in =
XenCenter:</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><br></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; "><br></span><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; ">22/12/2011</span><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; "><wbr></span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
">&nbsp;09:57:45 Error: Starting VM 'Web Server' - Using &lt;class =
'grub.Grub</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; =
">Conf.Grub2Co</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; =
">nfigFile'&gt;</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">; to parse =
/boot/grub</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">/grub.cfg - =
WARNING:ro</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">ot:Unknown directive =
load_video</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">&nbsp;- =
WARNING:ro</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">ot:Unknown directive =
terminal_o</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">utput - Traceback =
(most recent call last): - File "/usr</span><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; "><wbr></span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
">/bin/pygrub&amp;</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">quot;, line 746, in ? =
- raise RuntimeErr</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">or, "Unab</span><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; "><wbr></span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; ">le =
to find partition containing</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; =
">&nbsp;kernel"</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">; - =
RuntimeErr</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">or: Unable to find =
partition containing</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">kernel</span><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; "><br></span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><br></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">This server is =
mission-cr</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">itical, so we need it =
back as soon as possible.</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><br></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">Any ideas =
guys?</span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; "><br></span><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; ">thanks for the help,</span><div><font =
class=3D"Apple-style-span" color=3D"#35383d" face=3D"arial, helvetica, =
sans-serif"><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; font-size: 13px; line-height: 18px;"><br></span></font><div>
<span class=3D"Apple-style-span" style=3D"border-collapse: separate; =
color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; =
font-variant: normal; font-weight: normal; letter-spacing: normal; =
line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: =
0px; text-transform: none; white-space: normal; widows: 2; word-spacing: =
0px; -webkit-border-horizontal-spacing: 0px; =
-webkit-border-vertical-spacing: 0px; =
-webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: =
auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span =
class=3D"Apple-style-span" style=3D"border-collapse: separate; color: =
rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: =
normal; font-weight: normal; letter-spacing: normal; line-height: =
normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; =
text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; =
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: =
0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: =
auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span =
class=3D"Apple-style-span" style=3D"border-collapse: separate; color: =
rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: =
normal; font-weight: normal; letter-spacing: normal; line-height: =
normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; =
text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; =
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: =
0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: =
auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span =
class=3D"Apple-style-span" style=3D"border-collapse: separate; color: =
rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: =
normal; font-weight: normal; letter-spacing: normal; line-height: =
normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; =
text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; =
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: =
0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: =
auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div =
style=3D"border-collapse: separate; color: rgb(0, 0, 0); font-family: =
Helvetica; font-style: normal; font-variant: normal; font-weight: =
normal; letter-spacing: normal; line-height: normal; text-transform: =
none; white-space: normal; word-spacing: 0px; =
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: =
0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; =
font-size: medium; word-wrap: break-word; -webkit-nbsp-mode: space; =
-webkit-line-break: after-white-space; "><br =
class=3D"Apple-interchange-newline">--</div><div style=3D"border-collapse:=
 separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: =
normal; font-variant: normal; font-weight: normal; letter-spacing: =
normal; line-height: normal; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; =
-webkit-border-vertical-spacing: 0px; -webkit-text-size-adjust: auto; =
-webkit-text-stroke-width: 0px; font-size: medium; ">regards,<br>Jacob =
Mansfield,</div><div style=3D"border-collapse: separate; color: rgb(0, =
0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; =
font-weight: normal; letter-spacing: normal; line-height: normal; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: =
0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; =
font-size: medium; ">Lead developer<br><a =
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-webkit-text-stroke-width: 0px; font-size: medium; ">Blue Sapphire Media =
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--Apple-Mail-1058-496821443
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Hi all,
After applying some updates onto a Debian web server, I rebooted it.
However it will no longer start, and generates this error in XenCenter:

22/12/2011 09:57:45 Error: Starting VM 'Web Server' - Using <class =
'grub.GrubConf.Grub2ConfigFile'>; to parse /boot/grub/grub.cfg - =
WARNING:root:Unknown directive load_video - WARNING:root:Unknown =
directive terminal_output - Traceback (most recent call last): - File =
"/usr/bin/pygrub&quot;, line 746, in ? - raise RuntimeError, "Unable to =
find partition containing kernel"; - RuntimeError: Unable to find =
partition containingkernel

This server is mission-critical, so we need it back as soon as possible.
Any ideas guys?
thanks for the help,


--
regards,
Jacob Mansfield,
Lead developer
jacob@bluesapphiremedia.co.uk

Blue Sapphire Media recommends A2 Hosting


--Apple-Mail-1058-496821443
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<html><head></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; ">Hi all,</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><br></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">After applying some =
updates onto a Debian web server, I rebooted it.</span><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; "><br></span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
">However it will no longer start, and generates this error in =
XenCenter:</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><br></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; "><br></span><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; ">22/12/2011</span><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; "><wbr></span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
">&nbsp;09:57:45 Error: Starting VM 'Web Server' - Using &lt;class =
'grub.Grub</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; =
">Conf.Grub2Co</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; =
">nfigFile'&gt;</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">; to parse =
/boot/grub</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">/grub.cfg - =
WARNING:ro</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">ot:Unknown directive =
load_video</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">&nbsp;- =
WARNING:ro</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">ot:Unknown directive =
terminal_o</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">utput - Traceback =
(most recent call last): - File "/usr</span><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; "><wbr></span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
">/bin/pygrub&amp;</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">quot;, line 746, in ? =
- raise RuntimeErr</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">or, "Unab</span><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; "><wbr></span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; ">le =
to find partition containing</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; =
">&nbsp;kernel"</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">; - =
RuntimeErr</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">or: Unable to find =
partition containing</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">kernel</span><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; "><br></span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><br></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">This server is =
mission-cr</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">itical, so we need it =
back as soon as possible.</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><br></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">Any ideas =
guys?</span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; "><br></span><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; ">thanks for the help,</span><div><font =
class=3D"Apple-style-span" color=3D"#35383d" face=3D"arial, helvetica, =
sans-serif"><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; font-size: 13px; line-height: 18px;"><br></span></font><div>
<span class=3D"Apple-style-span" style=3D"border-collapse: separate; =
color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; =
font-variant: normal; font-weight: normal; letter-spacing: normal; =
line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: =
0px; text-transform: none; white-space: normal; widows: 2; word-spacing: =
0px; -webkit-border-horizontal-spacing: 0px; =
-webkit-border-vertical-spacing: 0px; =
-webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: =
auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span =
class=3D"Apple-style-span" style=3D"border-collapse: separate; color: =
rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: =
normal; font-weight: normal; letter-spacing: normal; line-height: =
normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; =
text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; =
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: =
0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: =
auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span =
class=3D"Apple-style-span" style=3D"border-collapse: separate; color: =
rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: =
normal; font-weight: normal; letter-spacing: normal; line-height: =
normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; =
text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; =
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: =
0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: =
auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span =
class=3D"Apple-style-span" style=3D"border-collapse: separate; color: =
rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: =
normal; font-weight: normal; letter-spacing: normal; line-height: =
normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; =
text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; =
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: =
0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: =
auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div =
style=3D"border-collapse: separate; color: rgb(0, 0, 0); font-family: =
Helvetica; font-style: normal; font-variant: normal; font-weight: =
normal; letter-spacing: normal; line-height: normal; text-transform: =
none; white-space: normal; word-spacing: 0px; =
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: =
0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; =
font-size: medium; word-wrap: break-word; -webkit-nbsp-mode: space; =
-webkit-line-break: after-white-space; "><br =
class=3D"Apple-interchange-newline">--</div><div style=3D"border-collapse:=
 separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: =
normal; font-variant: normal; font-weight: normal; letter-spacing: =
normal; line-height: normal; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; =
-webkit-border-vertical-spacing: 0px; -webkit-text-size-adjust: auto; =
-webkit-text-stroke-width: 0px; font-size: medium; ">regards,<br>Jacob =
Mansfield,</div><div style=3D"border-collapse: separate; color: rgb(0, =
0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; =
font-weight: normal; letter-spacing: normal; line-height: normal; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: =
0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; =
font-size: medium; ">Lead developer<br><a =
href=3D"mailto:jacob@bluesapphiremedia.co.uk">jacob@bluesapphiremedia.co.u=
k</a></div><div style=3D"border-collapse: separate; color: rgb(0, 0, 0); =
font-family: Helvetica; font-style: normal; font-variant: normal; =
font-weight: normal; letter-spacing: normal; line-height: normal; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: =
0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; =
font-size: medium; "><br></div><div style=3D"border-collapse: separate; =
color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; =
font-variant: normal; font-weight: normal; letter-spacing: normal; =
line-height: normal; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; =
-webkit-border-vertical-spacing: 0px; -webkit-text-size-adjust: auto; =
-webkit-text-stroke-width: 0px; font-size: medium; ">Blue Sapphire Media =
recommends&nbsp;<a href=3D"http://www.a2hosting.com/3244.html">A2 =
Hosting</a></div></span></span><br =
class=3D"Apple-interchange-newline"><span></span><span></span><span><img =
height=3D"34" width=3D"320" id=3D"7d32b551-f898-4f94-8baf-c7083fb6bdf8" =
apple-width=3D"yes" apple-height=3D"yes" =
src=3D"cid:63FF9E81-7130-4B45-9FEA-E65DA9117F5F@SE572"></span></span></spa=
n></div></div></body></html>=

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From: Jacob Mansfield <cyberjacob@gmail.com>
Date: Thu, 22 Dec 2011 10:14:48 +0000
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Subject: [Xen-users] Error starting updated Debian servers
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Hi all,
After applying some updates onto a Debian web server, I rebooted it.
However it will no longer start, and generates this error in XenCenter:

22/12/2011 09:57:45 Error: Starting VM 'Web Server' - Using <class =
'grub.GrubConf.Grub2ConfigFile'>; to parse /boot/grub/grub.cfg - =
WARNING:root:Unknown directive load_video - WARNING:root:Unknown =
directive terminal_output - Traceback (most recent call last): - File =
"/usr/bin/pygrub&quot;, line 746, in ? - raise RuntimeError, "Unable to =
find partition containing kernel"; - RuntimeError: Unable to find =
partition containingkernel

This server is mission-critical, so we need it back as soon as possible.
Any ideas guys?
thanks for the help,


--
regards,
Jacob Mansfield,
Lead developer
jacob@bluesapphiremedia.co.uk

Blue Sapphire Media recommends A2 Hosting


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<html><head></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; ">Hi all,</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><br></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">After applying some =
updates onto a Debian web server, I rebooted it.</span><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; "><br></span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
">However it will no longer start, and generates this error in =
XenCenter:</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><br></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; "><br></span><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; ">22/12/2011</span><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; "><wbr></span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
">&nbsp;09:57:45 Error: Starting VM 'Web Server' - Using &lt;class =
'grub.Grub</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; =
">Conf.Grub2Co</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; =
">nfigFile'&gt;</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
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/boot/grub</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">/grub.cfg - =
WARNING:ro</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">ot:Unknown directive =
load_video</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">&nbsp;- =
WARNING:ro</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">ot:Unknown directive =
terminal_o</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">utput - Traceback =
(most recent call last): - File "/usr</span><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; "><wbr></span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
">/bin/pygrub&amp;</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">quot;, line 746, in ? =
- raise RuntimeErr</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">or, "Unab</span><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; "><wbr></span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; ">le =
to find partition containing</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; =
">&nbsp;kernel"</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">; - =
RuntimeErr</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">or: Unable to find =
partition containing</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">kernel</span><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; "><br></span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><br></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">This server is =
mission-cr</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">itical, so we need it =
back as soon as possible.</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><br></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">Any ideas =
guys?</span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; "><br></span><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; ">thanks for the help,</span><div><font =
class=3D"Apple-style-span" color=3D"#35383d" face=3D"arial, helvetica, =
sans-serif"><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; font-size: 13px; line-height: 18px;"><br></span></font><div>
<span class=3D"Apple-style-span" style=3D"border-collapse: separate; =
color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; =
font-variant: normal; font-weight: normal; letter-spacing: normal; =
line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: =
0px; text-transform: none; white-space: normal; widows: 2; word-spacing: =
0px; -webkit-border-horizontal-spacing: 0px; =
-webkit-border-vertical-spacing: 0px; =
-webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: =
auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span =
class=3D"Apple-style-span" style=3D"border-collapse: separate; color: =
rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: =
normal; font-weight: normal; letter-spacing: normal; line-height: =
normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; =
text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; =
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: =
0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: =
auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span =
class=3D"Apple-style-span" style=3D"border-collapse: separate; color: =
rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: =
normal; font-weight: normal; letter-spacing: normal; line-height: =
normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; =
text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; =
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: =
0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: =
auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span =
class=3D"Apple-style-span" style=3D"border-collapse: separate; color: =
rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: =
normal; font-weight: normal; letter-spacing: normal; line-height: =
normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; =
text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; =
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: =
0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: =
auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div =
style=3D"border-collapse: separate; color: rgb(0, 0, 0); font-family: =
Helvetica; font-style: normal; font-variant: normal; font-weight: =
normal; letter-spacing: normal; line-height: normal; text-transform: =
none; white-space: normal; word-spacing: 0px; =
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: =
0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; =
font-size: medium; word-wrap: break-word; -webkit-nbsp-mode: space; =
-webkit-line-break: after-white-space; "><br =
class=3D"Apple-interchange-newline">--</div><div style=3D"border-collapse:=
 separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: =
normal; font-variant: normal; font-weight: normal; letter-spacing: =
normal; line-height: normal; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; =
-webkit-border-vertical-spacing: 0px; -webkit-text-size-adjust: auto; =
-webkit-text-stroke-width: 0px; font-size: medium; ">regards,<br>Jacob =
Mansfield,</div><div style=3D"border-collapse: separate; color: rgb(0, =
0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; =
font-weight: normal; letter-spacing: normal; line-height: normal; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: =
0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; =
font-size: medium; ">Lead developer<br><a =
href=3D"mailto:jacob@bluesapphiremedia.co.uk">jacob@bluesapphiremedia.co.u=
k</a></div><div style=3D"border-collapse: separate; color: rgb(0, 0, 0); =
font-family: Helvetica; font-style: normal; font-variant: normal; =
font-weight: normal; letter-spacing: normal; line-height: normal; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: =
0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; =
font-size: medium; "><br></div><div style=3D"border-collapse: separate; =
color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; =
font-variant: normal; font-weight: normal; letter-spacing: normal; =
line-height: normal; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; =
-webkit-border-vertical-spacing: 0px; -webkit-text-size-adjust: auto; =
-webkit-text-stroke-width: 0px; font-size: medium; ">Blue Sapphire Media =
recommends&nbsp;<a href=3D"http://www.a2hosting.com/3244.html">A2 =
Hosting</a></div></span></span><br =
class=3D"Apple-interchange-newline"><span></span><span></span><span><img =
height=3D"34" width=3D"320" id=3D"7d32b551-f898-4f94-8baf-c7083fb6bdf8" =
apple-width=3D"yes" apple-height=3D"yes" =
src=3D"cid:63FF9E81-7130-4B45-9FEA-E65DA9117F5F@SE572"></span></span></spa=
n></div></div></body></html>=

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From: Jacob Mansfield <cyberjacob@gmail.com>
Date: Thu, 22 Dec 2011 10:14:48 +0000
References: <E1404D53-E461-436F-8A24-4CC2D835AE5C@itvet.co.uk>
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Subject: [Xen-users] Error starting updated Debian servers
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Hi all,
After applying some updates onto a Debian web server, I rebooted it.
However it will no longer start, and generates this error in XenCenter:

22/12/2011 09:57:45 Error: Starting VM 'Web Server' - Using <class =
'grub.GrubConf.Grub2ConfigFile'>; to parse /boot/grub/grub.cfg - =
WARNING:root:Unknown directive load_video - WARNING:root:Unknown =
directive terminal_output - Traceback (most recent call last): - File =
"/usr/bin/pygrub&quot;, line 746, in ? - raise RuntimeError, "Unable to =
find partition containing kernel"; - RuntimeError: Unable to find =
partition containingkernel

This server is mission-critical, so we need it back as soon as possible.
Any ideas guys?
thanks for the help,


--
regards,
Jacob Mansfield,
Lead developer
jacob@bluesapphiremedia.co.uk

Blue Sapphire Media recommends A2 Hosting


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<html><head></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; ">Hi all,</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><br></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">After applying some =
updates onto a Debian web server, I rebooted it.</span><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; "><br></span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
">However it will no longer start, and generates this error in =
XenCenter:</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><br></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; "><br></span><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; ">22/12/2011</span><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; "><wbr></span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
">&nbsp;09:57:45 Error: Starting VM 'Web Server' - Using &lt;class =
'grub.Grub</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; =
">Conf.Grub2Co</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; =
">nfigFile'&gt;</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">; to parse =
/boot/grub</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">/grub.cfg - =
WARNING:ro</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">ot:Unknown directive =
load_video</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">&nbsp;- =
WARNING:ro</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">ot:Unknown directive =
terminal_o</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">utput - Traceback =
(most recent call last): - File "/usr</span><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; "><wbr></span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
">/bin/pygrub&amp;</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
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- raise RuntimeErr</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">or, "Unab</span><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; "><wbr></span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; ">le =
to find partition containing</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; =
">&nbsp;kernel"</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">; - =
RuntimeErr</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">or: Unable to find =
partition containing</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">kernel</span><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; "><br></span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><br></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">This server is =
mission-cr</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><wbr></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">itical, so we need it =
back as soon as possible.</span><span class=3D"Apple-style-span" =
style=3D"border-collapse: collapse; color: rgb(53, 56, 61); font-family: =
arial, helvetica, sans-serif; font-size: 13px; line-height: 18px; =
"><br></span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; ">Any ideas =
guys?</span><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; color: rgb(53, 56, 61); font-family: arial, helvetica, =
sans-serif; font-size: 13px; line-height: 18px; "><br></span><span =
class=3D"Apple-style-span" style=3D"border-collapse: collapse; color: =
rgb(53, 56, 61); font-family: arial, helvetica, sans-serif; font-size: =
13px; line-height: 18px; ">thanks for the help,</span><div><font =
class=3D"Apple-style-span" color=3D"#35383d" face=3D"arial, helvetica, =
sans-serif"><span class=3D"Apple-style-span" style=3D"border-collapse: =
collapse; font-size: 13px; line-height: 18px;"><br></span></font><div>
<span class=3D"Apple-style-span" style=3D"border-collapse: separate; =
color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; =
font-variant: normal; font-weight: normal; letter-spacing: normal; =
line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: =
0px; text-transform: none; white-space: normal; widows: 2; word-spacing: =
0px; -webkit-border-horizontal-spacing: 0px; =
-webkit-border-vertical-spacing: 0px; =
-webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: =
auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span =
class=3D"Apple-style-span" style=3D"border-collapse: separate; color: =
rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: =
normal; font-weight: normal; letter-spacing: normal; line-height: =
normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; =
text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; =
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: =
0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: =
auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span =
class=3D"Apple-style-span" style=3D"border-collapse: separate; color: =
rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: =
normal; font-weight: normal; letter-spacing: normal; line-height: =
normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; =
text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; =
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: =
0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: =
auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span =
class=3D"Apple-style-span" style=3D"border-collapse: separate; color: =
rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: =
normal; font-weight: normal; letter-spacing: normal; line-height: =
normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; =
text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; =
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: =
0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: =
auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div =
style=3D"border-collapse: separate; color: rgb(0, 0, 0); font-family: =
Helvetica; font-style: normal; font-variant: normal; font-weight: =
normal; letter-spacing: normal; line-height: normal; text-transform: =
none; white-space: normal; word-spacing: 0px; =
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: =
0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; =
font-size: medium; word-wrap: break-word; -webkit-nbsp-mode: space; =
-webkit-line-break: after-white-space; "><br =
class=3D"Apple-interchange-newline">--</div><div style=3D"border-collapse:=
 separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: =
normal; font-variant: normal; font-weight: normal; letter-spacing: =
normal; line-height: normal; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; =
-webkit-border-vertical-spacing: 0px; -webkit-text-size-adjust: auto; =
-webkit-text-stroke-width: 0px; font-size: medium; ">regards,<br>Jacob =
Mansfield,</div><div style=3D"border-collapse: separate; color: rgb(0, =
0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; =
font-weight: normal; letter-spacing: normal; line-height: normal; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: =
0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; =
font-size: medium; ">Lead developer<br><a =
href=3D"mailto:jacob@bluesapphiremedia.co.uk">jacob@bluesapphiremedia.co.u=
k</a></div><div style=3D"border-collapse: separate; color: rgb(0, 0, 0); =
font-family: Helvetica; font-style: normal; font-variant: normal; =
font-weight: normal; letter-spacing: normal; line-height: normal; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: =
0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; =
font-size: medium; "><br></div><div style=3D"border-collapse: separate; =
color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; =
font-variant: normal; font-weight: normal; letter-spacing: normal; =
line-height: normal; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; =
-webkit-border-vertical-spacing: 0px; -webkit-text-size-adjust: auto; =
-webkit-text-stroke-width: 0px; font-size: medium; ">Blue Sapphire Media =
recommends&nbsp;<a href=3D"http://www.a2hosting.com/3244.html">A2 =
Hosting</a></div></span></span><br =
class=3D"Apple-interchange-newline"><span></span><span></span><span><img =
height=3D"34" width=3D"320" id=3D"7d32b551-f898-4f94-8baf-c7083fb6bdf8" =
apple-width=3D"yes" apple-height=3D"yes" =
src=3D"cid:63FF9E81-7130-4B45-9FEA-E65DA9117F5F@SE572"></span></span></spa=
n></div></div></body></html>=

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From: Grant McWilliams <grantmasterflash@gmail.com>
Date: Thu, 22 Dec 2011 02:26:44 -0800
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On Thu, Dec 22, 2011 at 1:49 AM, Mark van Dijk <mark@internecto.net> wrote:

> I've seen some hosts who pass their customers a username/pw. When the
> customer logs in they get console access to their VPS. How can this be
> done on 'plain xen' ?
>
> Thanks,
> Mark
>
>
> Mark,

When I was using plain xen I set up sudoers files via a script for each
user. They could ssh into the Dom0 and sudo xm console to their vm. It only
allowed them to sudo to THEIR vm and nobody elses. Because the script
created their VM disks, VM config files, Dom0 user account and sudoers file
for the /etc/sudoers.d/ directory (sudo 1.7.2 and newer needed) it all got
it right and it was easy.

Now with XCP I don't allow it because text consoles are bit funky. I'm
using XVP to give them a graphical console.


Grant McWilliams
http://grantmcwilliams.com/

Some people, when confronted with a problem, think "I know, I'll use
Windows."
Now they have two problems.

--f46d04339dd6172d2204b4abbfba
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<br><div class=3D"gmail_quote">On Thu, Dec 22, 2011 at 1:49 AM, Mark van Di=
jk <span dir=3D"ltr">&lt;<a href=3D"mailto:mark@internecto.net">mark@intern=
ecto.net</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=
=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

I&#39;ve seen some hosts who pass their customers a username/pw. When the<b=
r>
customer logs in they get console access to their VPS. How can this be<br>
done on &#39;plain xen&#39; ?<br>
<br>
Thanks,<br>
Mark<br>
<br><br></blockquote><div>Mark,</div><div>=C2=A0</div><div>When I was using=
 plain xen I set up sudoers files via a script for each user. They could ss=
h into the Dom0 and sudo xm console to their vm. It only allowed them to su=
do to THEIR vm and nobody elses. Because the script created their VM disks,=
 VM config files, Dom0 user account and sudoers file for the /etc/sudoers.d=
/ directory (sudo 1.7.2 and newer needed) it all got it right and it was ea=
sy.</div>

<div><br></div><div>Now with XCP I don&#39;t allow it because text consoles=
 are bit funky. I&#39;m using XVP to give them a graphical console.</div><d=
iv><br></div><br clear=3D"all">Grant McWilliams<br><a href=3D"http://grantm=
cwilliams.com/" target=3D"_blank">http://grantmcwilliams.com/</a><br>

<br>Some people, when confronted with a problem, think &quot;I know, I&#39;=
ll use Windows.&quot;=C2=A0<br><div>Now they have two problems.=C2=A0=C2=A0=
</div></div>

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From: Grant McWilliams <grantmasterflash@gmail.com>
Date: Thu, 22 Dec 2011 02:26:44 -0800
Message-ID: <CAGnmK4x+1ojQFrHZTCWv2L_GCm2eBNDH-8CMUPzTnzE_ojJBkQ@mail.gmail.com>
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On Thu, Dec 22, 2011 at 1:49 AM, Mark van Dijk <mark@internecto.net> wrote:

> I've seen some hosts who pass their customers a username/pw. When the
> customer logs in they get console access to their VPS. How can this be
> done on 'plain xen' ?
>
> Thanks,
> Mark
>
>
> Mark,

When I was using plain xen I set up sudoers files via a script for each
user. They could ssh into the Dom0 and sudo xm console to their vm. It only
allowed them to sudo to THEIR vm and nobody elses. Because the script
created their VM disks, VM config files, Dom0 user account and sudoers file
for the /etc/sudoers.d/ directory (sudo 1.7.2 and newer needed) it all got
it right and it was easy.

Now with XCP I don't allow it because text consoles are bit funky. I'm
using XVP to give them a graphical console.


Grant McWilliams
http://grantmcwilliams.com/

Some people, when confronted with a problem, think "I know, I'll use
Windows."
Now they have two problems.

--f46d04339dd6172d2204b4abbfba
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<br><div class=3D"gmail_quote">On Thu, Dec 22, 2011 at 1:49 AM, Mark van Di=
jk <span dir=3D"ltr">&lt;<a href=3D"mailto:mark@internecto.net">mark@intern=
ecto.net</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=
=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

I&#39;ve seen some hosts who pass their customers a username/pw. When the<b=
r>
customer logs in they get console access to their VPS. How can this be<br>
done on &#39;plain xen&#39; ?<br>
<br>
Thanks,<br>
Mark<br>
<br><br></blockquote><div>Mark,</div><div>=C2=A0</div><div>When I was using=
 plain xen I set up sudoers files via a script for each user. They could ss=
h into the Dom0 and sudo xm console to their vm. It only allowed them to su=
do to THEIR vm and nobody elses. Because the script created their VM disks,=
 VM config files, Dom0 user account and sudoers file for the /etc/sudoers.d=
/ directory (sudo 1.7.2 and newer needed) it all got it right and it was ea=
sy.</div>

<div><br></div><div>Now with XCP I don&#39;t allow it because text consoles=
 are bit funky. I&#39;m using XVP to give them a graphical console.</div><d=
iv><br></div><br clear=3D"all">Grant McWilliams<br><a href=3D"http://grantm=
cwilliams.com/" target=3D"_blank">http://grantmcwilliams.com/</a><br>

<br>Some people, when confronted with a problem, think &quot;I know, I&#39;=
ll use Windows.&quot;=C2=A0<br><div>Now they have two problems.=C2=A0=C2=A0=
</div></div>

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Am Donnerstag, 22. Dezember 2011, 02:26:44 schrieb Grant McWilliams:
> When I was using plain xen I set up sudoers files via a script for each
> user. They could ssh into the Dom0 and sudo xm console to their vm. It only
> allowed them to sudo to THEIR vm and nobody elses. Because the script
> created their VM disks, VM config files, Dom0 user account and sudoers file
> for the /etc/sudoers.d/ directory (sudo 1.7.2 and newer needed) it all got
> it right and it was easy.

As an alternative to this solution you may build / configure your own login 
shell for such users, avoiding that they have direct shell access and allowing 
them more functionality - i.e. to provide them further domain maintenance 
tasks.

By just searching around i#ve found something like "xen-shell":
http://xen-tools.org/software/xen-shell/commands.html

which may usuably directly for this - or with slight modifications to shrink 
access rights more down if required. But may be ther are others solutions / 
projects with similiar functionality?

Will give it a try byself now...


cheers,


Niels.

-- 
---
Niels Dettenbach
Syndicat IT&Internet
http://www.syndicat.com/
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Am Donnerstag, 22. Dezember 2011, 02:26:44 schrieb Grant McWilliams:
> When I was using plain xen I set up sudoers files via a script for each
> user. They could ssh into the Dom0 and sudo xm console to their vm. It only
> allowed them to sudo to THEIR vm and nobody elses. Because the script
> created their VM disks, VM config files, Dom0 user account and sudoers file
> for the /etc/sudoers.d/ directory (sudo 1.7.2 and newer needed) it all got
> it right and it was easy.

As an alternative to this solution you may build / configure your own login 
shell for such users, avoiding that they have direct shell access and allowing 
them more functionality - i.e. to provide them further domain maintenance 
tasks.

By just searching around i#ve found something like "xen-shell":
http://xen-tools.org/software/xen-shell/commands.html

which may usuably directly for this - or with slight modifications to shrink 
access rights more down if required. But may be ther are others solutions / 
projects with similiar functionality?

Will give it a try byself now...


cheers,


Niels.

-- 
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On 8.12.2011 18:47, Jan Vejvalka wrote:
> On the same kernel booted natively, all works fine; when booting
> under Xen, Xorg does not start.

Finally resolved: the firmware for my Radeon onboard video was missing.
Simple text console worked thanks to the "nomodeset" kernel option.
Adding more detail to kernel logs
(cf. http://wiki.xen.org/xenwiki/XenParavirtOpsHelp.html ) helped to
find the problem and putting the right firmware to the right place
(cf. http://www.x.org/wiki/radeonBuildHowTo ) fixed it.

Thanks to Konrad Rzeszutek Wilk for the right hint.

Jan

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On 8.12.2011 18:47, Jan Vejvalka wrote:
> On the same kernel booted natively, all works fine; when booting
> under Xen, Xorg does not start.

Finally resolved: the firmware for my Radeon onboard video was missing.
Simple text console worked thanks to the "nomodeset" kernel option.
Adding more detail to kernel logs
(cf. http://wiki.xen.org/xenwiki/XenParavirtOpsHelp.html ) helped to
find the problem and putting the right firmware to the right place
(cf. http://www.x.org/wiki/radeonBuildHowTo ) fixed it.

Thanks to Konrad Rzeszutek Wilk for the right hint.

Jan

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> 22/12/2011 09:57:45 Error: Starting VM 'Web Server' - Using <class
> 'grub.GrubConf.Grub2ConfigFile'>; to parse /boot/grub/grub.cfg -
> WARNING:root:Unknown directive load_video - WARNING:root:Unknown
> directive terminal_output - Traceback (most recent call last): - File
> "/usr/bin/pygrub&quot;, line 746, in ? - raise RuntimeError, "Unable
> to find partition containing kernel"; - RuntimeError: Unable to find
> partition containingkernel

This clearly is a grub2 config, while pygrub can only parse grub 0.97
configs.

> This server is mission-critical, so we need it back as soon as
> possible. Any ideas guys?

Don't panic. :)

(I got that from the Hitchhiker's guide...)

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> 22/12/2011 09:57:45 Error: Starting VM 'Web Server' - Using <class
> 'grub.GrubConf.Grub2ConfigFile'>; to parse /boot/grub/grub.cfg -
> WARNING:root:Unknown directive load_video - WARNING:root:Unknown
> directive terminal_output - Traceback (most recent call last): - File
> "/usr/bin/pygrub&quot;, line 746, in ? - raise RuntimeError, "Unable
> to find partition containing kernel"; - RuntimeError: Unable to find
> partition containingkernel

This clearly is a grub2 config, while pygrub can only parse grub 0.97
configs.

> This server is mission-critical, so we need it back as soon as
> possible. Any ideas guys?

Don't panic. :)

(I got that from the Hitchhiker's guide...)

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> 22/12/2011 09:57:45 Error: Starting VM 'Web Server' - Using <class
> 'grub.GrubConf.Grub2ConfigFile'>; to parse /boot/grub/grub.cfg -
> WARNING:root:Unknown directive load_video - WARNING:root:Unknown
> directive terminal_output - Traceback (most recent call last): - File
> "/usr/bin/pygrub&quot;, line 746, in ? - raise RuntimeError, "Unable
> to find partition containing kernel"; - RuntimeError: Unable to find
> partition containingkernel

This clearly is a grub2 config, while pygrub can only parse grub 0.97
configs.

> This server is mission-critical, so we need it back as soon as
> possible. Any ideas guys?

Don't panic. :)

(I got that from the Hitchhiker's guide...)

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> 22/12/2011 09:57:45 Error: Starting VM 'Web Server' - Using <class
> 'grub.GrubConf.Grub2ConfigFile'>; to parse /boot/grub/grub.cfg -
> WARNING:root:Unknown directive load_video - WARNING:root:Unknown
> directive terminal_output - Traceback (most recent call last): - File
> "/usr/bin/pygrub&quot;, line 746, in ? - raise RuntimeError, "Unable
> to find partition containing kernel"; - RuntimeError: Unable to find
> partition containingkernel

This clearly is a grub2 config, while pygrub can only parse grub 0.97
configs.

> This server is mission-critical, so we need it back as soon as
> possible. Any ideas guys?

Don't panic. :)

(I got that from the Hitchhiker's guide...)

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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> On 22 Dec 2011, at 10:54, Mark van Dijk wrote:
> > This clearly is a grub2 config, while pygrub can only parse grub
> > 0.97 configs.
> > Don't panic. :)
> > 
> > (I got that from the Hitchhiker's guide...)
> 
> Don't Panic... nice
> is there a way to downgrade my Grub install? or upgrade pygrub?

Yes, if you can reach the domU's data then you can mount and chroot to
it and then use the way you normally do this in the domU OS.

Example for partitioned LVM disks where partition 1 is /boot and
partition 3 is / :

kpartx -a /dev/lvmarray/host
mount /dev/mapper/lvmarray-host3 /mnt
mount /dev/mapper/lvmarray-host1 /mnt/boot
for i in proc sys dev; do mount /$i /mnt/$i; done
chroot /mnt

aptitude ....

exit
for i in proc sys dev boot ""; do umount /mnt/$i; done
kpartx -d /dev/lvmarray/host


HTH,
Mark

_______________________________________________
Xen-users mailing list
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> On 22 Dec 2011, at 10:54, Mark van Dijk wrote:
> > This clearly is a grub2 config, while pygrub can only parse grub
> > 0.97 configs.
> > Don't panic. :)
> > 
> > (I got that from the Hitchhiker's guide...)
> 
> Don't Panic... nice
> is there a way to downgrade my Grub install? or upgrade pygrub?

Yes, if you can reach the domU's data then you can mount and chroot to
it and then use the way you normally do this in the domU OS.

Example for partitioned LVM disks where partition 1 is /boot and
partition 3 is / :

kpartx -a /dev/lvmarray/host
mount /dev/mapper/lvmarray-host3 /mnt
mount /dev/mapper/lvmarray-host1 /mnt/boot
for i in proc sys dev; do mount /$i /mnt/$i; done
chroot /mnt

aptitude ....

exit
for i in proc sys dev boot ""; do umount /mnt/$i; done
kpartx -d /dev/lvmarray/host


HTH,
Mark

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Subject: [Xen-users] graceful windows guest shutdown/restart
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I'm having some trouble getting Windows Server 2008 R2 Std/Ent to consistently shutdown or restart gracefully. I have acpi enabled (it's required in later versions of Windows) and I'm even executing the shutdown from the guest OS itself. Inconsistently, but often enough to be consistent, the next time Windows boots it will say "Windows did not shut down properly, boot safe mode, normally, etc."

This is a real problem during installation as I'm installing Windows via sysprep'd images, and if a hard shutdown or restart occurs during the final configuration if Windows, it'll abort and say to start the installation over from scratch. This happens an unscientifically measured 40-50% of the time. 

Is it possible there's a race condition somewhere, or is there a "pause before destroy" setting I can enable somewhere?

I'm running Xen 4.1 on Ubuntu 11.04, and the sysprep'd images don't have the GPLPV drivers installed at the time of install.

Thanks,

Nathan
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I'm having some trouble getting Windows Server 2008 R2 Std/Ent to consistently shutdown or restart gracefully. I have acpi enabled (it's required in later versions of Windows) and I'm even executing the shutdown from the guest OS itself. Inconsistently, but often enough to be consistent, the next time Windows boots it will say "Windows did not shut down properly, boot safe mode, normally, etc."

This is a real problem during installation as I'm installing Windows via sysprep'd images, and if a hard shutdown or restart occurs during the final configuration if Windows, it'll abort and say to start the installation over from scratch. This happens an unscientifically measured 40-50% of the time. 

Is it possible there's a race condition somewhere, or is there a "pause before destroy" setting I can enable somewhere?

I'm running Xen 4.1 on Ubuntu 11.04, and the sysprep'd images don't have the GPLPV drivers installed at the time of install.

Thanks,

Nathan
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On Thu, Dec 22, 2011 at 5:54 PM, Mark van Dijk <mark@internecto.net> wrote:
>> 22/12/2011 09:57:45 Error: Starting VM 'Web Server' - Using <class
>> 'grub.GrubConf.Grub2ConfigFile'>; to parse /boot/grub/grub.cfg -
>> WARNING:root:Unknown directive load_video - WARNING:root:Unknown
>> directive terminal_output - Traceback (most recent call last): - File
>> "/usr/bin/pygrub&quot;, line 746, in ? - raise RuntimeError, "Unable
>> to find partition containing kernel"; - RuntimeError: Unable to find
>> partition containingkernel
>
> This clearly is a grub2 config, while pygrub can only parse grub 0.97
> configs.

Not strictly true.

Newer version of pygrub can parse grub2 config, but at least on some
version that I used, it has problems with nested menu.

>
>> This server is mission-critical, so we need it back as soon as
>> possible. Any ideas guys?
>
> Don't panic. :)

You can edit grub.cfg manually to remove the nested menus.

You can do a chroot and remove old linux-image-*, leaving only one
latest version, which should automatically remove the nested menus.

You could create old grub config file manually (since pygrub doesn't
need grub to be installed, it just reads the config file)

... or, copy the kernel and initrd to dom0 and load it from xen config
file (i.e. not using pygrub).

-- 
Fajar

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On Thu, Dec 22, 2011 at 5:54 PM, Mark van Dijk <mark@internecto.net> wrote:
>> 22/12/2011 09:57:45 Error: Starting VM 'Web Server' - Using <class
>> 'grub.GrubConf.Grub2ConfigFile'>; to parse /boot/grub/grub.cfg -
>> WARNING:root:Unknown directive load_video - WARNING:root:Unknown
>> directive terminal_output - Traceback (most recent call last): - File
>> "/usr/bin/pygrub&quot;, line 746, in ? - raise RuntimeError, "Unable
>> to find partition containing kernel"; - RuntimeError: Unable to find
>> partition containingkernel
>
> This clearly is a grub2 config, while pygrub can only parse grub 0.97
> configs.

Not strictly true.

Newer version of pygrub can parse grub2 config, but at least on some
version that I used, it has problems with nested menu.

>
>> This server is mission-critical, so we need it back as soon as
>> possible. Any ideas guys?
>
> Don't panic. :)

You can edit grub.cfg manually to remove the nested menus.

You can do a chroot and remove old linux-image-*, leaving only one
latest version, which should automatically remove the nested menus.

You could create old grub config file manually (since pygrub doesn't
need grub to be installed, it just reads the config file)

... or, copy the kernel and initrd to dom0 and load it from xen config
file (i.e. not using pygrub).

-- 
Fajar

_______________________________________________
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On 22 Dec 2011, at 12:29, Fajar A. Nugraha wrote:
> You can edit grub.cfg manually to remove the nested menus.
> 
> You can do a chroot and remove old linux-image-*, leaving only one
> latest version, which should automatically remove the nested menus.
> 
> You could create old grub config file manually (since pygrub doesn't
> need grub to be installed, it just reads the config file)
> 
> ... or, copy the kernel and initrd to dom0 and load it from xen config
> file (i.e. not using pygrub).

ok, what exactly am I looking to remove in the grub.cfg
or how would I go about completing the other suggestions?

thanks for the help!

--
regards,
Jacob Mansfield,
Lead developer
jacob@bluesapphiremedia.co.uk

Blue Sapphire Media recommends A2 Hosting

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On 22 Dec 2011, at 12:29, Fajar A. Nugraha wrote:
> You can edit grub.cfg manually to remove the nested menus.
> 
> You can do a chroot and remove old linux-image-*, leaving only one
> latest version, which should automatically remove the nested menus.
> 
> You could create old grub config file manually (since pygrub doesn't
> need grub to be installed, it just reads the config file)
> 
> ... or, copy the kernel and initrd to dom0 and load it from xen config
> file (i.e. not using pygrub).

ok, what exactly am I looking to remove in the grub.cfg
or how would I go about completing the other suggestions?

thanks for the help!

--
regards,
Jacob Mansfield,
Lead developer
jacob@bluesapphiremedia.co.uk

Blue Sapphire Media recommends A2 Hosting

_______________________________________________
Xen-users mailing list
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On Thu, Dec 22, 2011 at 7:33 PM, Jacob Mansfield <cyberjacob@gmail.com> wrote:
> On 22 Dec 2011, at 12:29, Fajar A. Nugraha wrote:
>> You can edit grub.cfg manually to remove the nested menus.

> ok, what exactly am I looking to remove in the grub.cfg

start by removing submenu sections

> or how would I go about completing the other suggestions?

A minimal grub.cfg would look something like this

menuentry 'Ubuntu Natty 3.1.4-1-generic' {
        linux   /boot/vmlinuz-3.1.4-1-generic root=/dev/xvda1 ro
        initrd  /boot/initrd.img-3.1.4-1-generic
}

it SHOULD be enough to allow pv-grub to boot

-- 
Fajar

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On Thu, Dec 22, 2011 at 7:33 PM, Jacob Mansfield <cyberjacob@gmail.com> wrote:
> On 22 Dec 2011, at 12:29, Fajar A. Nugraha wrote:
>> You can edit grub.cfg manually to remove the nested menus.

> ok, what exactly am I looking to remove in the grub.cfg

start by removing submenu sections

> or how would I go about completing the other suggestions?

A minimal grub.cfg would look something like this

menuentry 'Ubuntu Natty 3.1.4-1-generic' {
        linux   /boot/vmlinuz-3.1.4-1-generic root=/dev/xvda1 ro
        initrd  /boot/initrd.img-3.1.4-1-generic
}

it SHOULD be enough to allow pv-grub to boot

-- 
Fajar

_______________________________________________
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To: Niels Dettenbach <nd@syndicat.com>
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Subject: Re: [Xen-users] ssh to console
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2011/12/22 Niels Dettenbach <nd@syndicat.com>:
> which may usuably directly for this - or with slight modifications to shrink
> access rights more down if required. But may be ther are others solutions /
> projects with similiar functionality?
>
> Will give it a try byself now...

DTC-Xen has this as a standard feature, you have a user entry per VM
on the host I think. And it also handles upload of ISOs for HVM domUs
via the same feature. (Those ISOs are not counted into the user's
quota though, and for HVM you're forced to use VNC instead of SSHing
into a serial console)

You can look at the sources here:
http://git.gplhost.com/dtc-xen.git/

It does many more things, but is only intended to run in tie with the
DTC hosting software. Still it might be a very good starting point,
since it's in active development.

There's also a recording of a Xen summit Asia talk about DTC which
should be easy to find.

Florian
-- 
the purpose of libvirt is to provide an abstraction layer hiding all
xen features added since 2006 until they were finally understood and
copied by the kvm devs.

_______________________________________________
Xen-users mailing list
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http://lists.xensource.com/xen-users

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2011/12/22 Niels Dettenbach <nd@syndicat.com>:
> which may usuably directly for this - or with slight modifications to shrink
> access rights more down if required. But may be ther are others solutions /
> projects with similiar functionality?
>
> Will give it a try byself now...

DTC-Xen has this as a standard feature, you have a user entry per VM
on the host I think. And it also handles upload of ISOs for HVM domUs
via the same feature. (Those ISOs are not counted into the user's
quota though, and for HVM you're forced to use VNC instead of SSHing
into a serial console)

You can look at the sources here:
http://git.gplhost.com/dtc-xen.git/

It does many more things, but is only intended to run in tie with the
DTC hosting software. Still it might be a very good starting point,
since it's in active development.

There's also a recording of a Xen summit Asia talk about DTC which
should be easy to find.

Florian
-- 
the purpose of libvirt is to provide an abstraction layer hiding all
xen features added since 2006 until they were finally understood and
copied by the kvm devs.

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

From xen-users-bounces@lists.xensource.com Thu Dec 22 17:09:38 2011
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Florian Heigl <florian.heigl@gmail.com> schrieb:
does many more things, but is only intended to run in tie with the
>DTC hosting software. Still it might be a very good starting point,
>since it's in active development.

yes, xen-shell is currently under no further developement, but - on the other hand - it does anything most users want from such a login shell.

Multiple users and allowed commands by user or all could be configured within the xen configs and/or xen-shell config in etc. It could be used for managing rdns and reinstall an instance of a user.

Not at least, it is open, simple and small enough to fit it to any personal needs if required, especially if you prefer doing things simple.


cheers,


Niels.
- --
Niels Dettenbach
Syndicat IT&Internet
http://www.syndicat.com
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Florian Heigl <florian.heigl@gmail.com> schrieb:
does many more things, but is only intended to run in tie with the
>DTC hosting software. Still it might be a very good starting point,
>since it's in active development.

yes, xen-shell is currently under no further developement, but - on the other hand - it does anything most users want from such a login shell.

Multiple users and allowed commands by user or all could be configured within the xen configs and/or xen-shell config in etc. It could be used for managing rdns and reinstall an instance of a user.

Not at least, it is open, simple and small enough to fit it to any personal needs if required, especially if you prefer doing things simple.


cheers,


Niels.
- --
Niels Dettenbach
Syndicat IT&Internet
http://www.syndicat.com
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Subject: Re: [Xen-users] why errors happen when two vms start concurrently ?
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On 22.12.2011 08:51, Grant McWilliams wrote:
> I've since moved to XCP and I can start all 50 at the same time 
> without issues and it doesn't seem to matter what kind of disks I 
> have. I can now start 50 and have the prompt back in a matter of minutes.
>
> Sorry I don't have a better answer for you. Sometimes after I'd get 
> that error I wouldn't be able to start ANYTHING again until a reboot. 
> That was on Xen 3.4.
>
>
Sorry, but you able to start 50 VM on same host same time? Or you are 
talking about 50 VM on 50 hosts in pool in same time? Or you just send 
50 vm-start and all vm starts? It's really different cases, and here my 
data for XCP parallelism:

Host can perform one vm-start/reboot task at time. All others are 
waiting in queue and will not process until other tasks are done.
pool master can send operations to different hosts (but it do this not 
for 'speed', but for memory balance, so some vm will wait in queue of 
one (busy) host and others will start on 'not busy hosts' without 
significant delay).
pool master do have limit on amount of tasks in queue, but I can't say 
exact number.

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Subject: Re: [Xen-users] why errors happen when two vms start concurrently ?
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On 22.12.2011 08:51, Grant McWilliams wrote:
> I've since moved to XCP and I can start all 50 at the same time 
> without issues and it doesn't seem to matter what kind of disks I 
> have. I can now start 50 and have the prompt back in a matter of minutes.
>
> Sorry I don't have a better answer for you. Sometimes after I'd get 
> that error I wouldn't be able to start ANYTHING again until a reboot. 
> That was on Xen 3.4.
>
>
Sorry, but you able to start 50 VM on same host same time? Or you are 
talking about 50 VM on 50 hosts in pool in same time? Or you just send 
50 vm-start and all vm starts? It's really different cases, and here my 
data for XCP parallelism:

Host can perform one vm-start/reboot task at time. All others are 
waiting in queue and will not process until other tasks are done.
pool master can send operations to different hosts (but it do this not 
for 'speed', but for memory balance, so some vm will wait in queue of 
one (busy) host and others will start on 'not busy hosts' without 
significant delay).
pool master do have limit on amount of tasks in queue, but I can't say 
exact number.

_______________________________________________
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Is this (old) wiki still accurate for Xen 4.1?

http://wiki.xen.org/xenwiki/XenWindowsACPI.html

Specifically: "One of the big problems of Windows XP under Xen is that Windows Setup chokes on Xen's ACPI, and thus you have to disable ACPI for Windows Setup to work."

Anyone know if that's still a problem?

-Nathan

On Dec 22, 2011, at 7:13 AM, Nathan Goulding wrote:

> I'm having some trouble getting Windows Server 2008 R2 Std/Ent to consistently shutdown or restart gracefully. I have acpi enabled (it's required in later versions of Windows) and I'm even executing the shutdown from the guest OS itself. Inconsistently, but often enough to be consistent, the next time Windows boots it will say "Windows did not shut down properly, boot safe mode, normally, etc."
> 
> This is a real problem during installation as I'm installing Windows via sysprep'd images, and if a hard shutdown or restart occurs during the final configuration if Windows, it'll abort and say to start the installation over from scratch. This happens an unscientifically measured 40-50% of the time. 
> 
> Is it possible there's a race condition somewhere, or is there a "pause before destroy" setting I can enable somewhere?
> 
> I'm running Xen 4.1 on Ubuntu 11.04, and the sysprep'd images don't have the GPLPV drivers installed at the time of install.
> 
> Thanks,
> 
> Nathan
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users


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Is this (old) wiki still accurate for Xen 4.1?

http://wiki.xen.org/xenwiki/XenWindowsACPI.html

Specifically: "One of the big problems of Windows XP under Xen is that Windows Setup chokes on Xen's ACPI, and thus you have to disable ACPI for Windows Setup to work."

Anyone know if that's still a problem?

-Nathan

On Dec 22, 2011, at 7:13 AM, Nathan Goulding wrote:

> I'm having some trouble getting Windows Server 2008 R2 Std/Ent to consistently shutdown or restart gracefully. I have acpi enabled (it's required in later versions of Windows) and I'm even executing the shutdown from the guest OS itself. Inconsistently, but often enough to be consistent, the next time Windows boots it will say "Windows did not shut down properly, boot safe mode, normally, etc."
> 
> This is a real problem during installation as I'm installing Windows via sysprep'd images, and if a hard shutdown or restart occurs during the final configuration if Windows, it'll abort and say to start the installation over from scratch. This happens an unscientifically measured 40-50% of the time. 
> 
> Is it possible there's a race condition somewhere, or is there a "pause before destroy" setting I can enable somewhere?
> 
> I'm running Xen 4.1 on Ubuntu 11.04, and the sysprep'd images don't have the GPLPV drivers installed at the time of install.
> 
> Thanks,
> 
> Nathan
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users


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Am 22.12.2011 19:00, schrieb Nathan Goulding:
> Specifically: "One of the big problems of Windows XP under Xen is that Windows Setup chokes on Xen's ACPI, and thus you have to disable ACPI for Windows Setup to work."
> Anyone know if that's still a problem?

I've not found this to be a problem when running Windows Server 2008R2 
(as it comes with SBS 2011 Standard, German); that setup runs properly, 
and I haven't seen reboot problems like you mentioned. Most probably, 
SBS 2011 already comes with some form of patched Windows, so I'd take 
this report with a grain of salt.

-- 
--- Heiko.

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Am 22.12.2011 19:00, schrieb Nathan Goulding:
> Specifically: "One of the big problems of Windows XP under Xen is that Windows Setup chokes on Xen's ACPI, and thus you have to disable ACPI for Windows Setup to work."
> Anyone know if that's still a problem?

I've not found this to be a problem when running Windows Server 2008R2 
(as it comes with SBS 2011 Standard, German); that setup runs properly, 
and I haven't seen reboot problems like you mentioned. Most probably, 
SBS 2011 already comes with some form of patched Windows, so I'd take 
this report with a grain of salt.

-- 
--- Heiko.

_______________________________________________
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I am trying to set up an environment where dom0 is provided with a fixed am=
ount of memory (say 1024 MB)  that doesn't change as new domUs are started =
on the host. For this purpose I have done the following:

A) Set dom0_mem=3D1024m in grub.conf.
B) Set dom0-min-mem to 1024 in /etc/xen/xend-config.sxp.
C) Set enable-dom0-ballooning to 'no' in /etc/xen/xend-config.sxp.

As long the memory on the host is under-committed, dom0 gets its 1024 MB (a=
s shown by xl list). However, when I start enough domUs, I notice that some=
 memory gets reclaimed from dom0, to satisfy the incoming domU. However, th=
is shouldn't be happening because of (B) and (C) above.

Are the dom0-min-mem  and enable-dom0-ballooning controls broken?

I am running Xen 4.0.1 with a CentOS 2.6.32 dom0.

Any thoughts/suggestions will be most appreciated.

Thanks.
-Anil


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>
<meta name=3D"Generator" content=3D"Microsoft Exchange Server">
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<font face=3D"Arial, sans-serif" size=3D"2">
<div>I am trying to set up an environment where dom0 is provided with a fix=
ed amount of memory (say 1024 MB)&nbsp; that doesn't change as new domUs ar=
e started on the host. For this purpose I have done the following:</div>
<div>&nbsp;</div>
<div>A) Set dom0_mem=3D1024m in grub.conf.</div>
<div>B) Set dom0-min-mem to 1024 in /etc/xen/xend-config.sxp.</div>
<div>C) Set enable-dom0-ballooning to 'no' in /etc/xen/xend-config.sxp.</di=
v>
<div>&nbsp;</div>
<div>As long the memory on the host is under-committed, dom0 gets its 1024 =
MB (as shown by xl list). However, when I start enough domUs, I notice that=
 some memory gets reclaimed from dom0, to satisfy the incoming domU. Howeve=
r, this shouldn't be happening because
of (B) and (C) above. </div>
<div>&nbsp;</div>
<div>Are the dom0-min-mem&nbsp; and enable-dom0-ballooning controls broken?=
</div>
<div>&nbsp;</div>
<div>I am running Xen 4.0.1 with a CentOS 2.6.32 dom0.</div>
<div>&nbsp;</div>
<div>Any thoughts/suggestions will be most appreciated.</div>
<div>&nbsp;</div>
<div>Thanks.</div>
<div>-Anil</div>
<div>&nbsp;</div>
</font>
</body>
</html>

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I am trying to set up an environment where dom0 is provided with a fixed am=
ount of memory (say 1024 MB)  that doesn't change as new domUs are started =
on the host. For this purpose I have done the following:

A) Set dom0_mem=3D1024m in grub.conf.
B) Set dom0-min-mem to 1024 in /etc/xen/xend-config.sxp.
C) Set enable-dom0-ballooning to 'no' in /etc/xen/xend-config.sxp.

As long the memory on the host is under-committed, dom0 gets its 1024 MB (a=
s shown by xl list). However, when I start enough domUs, I notice that some=
 memory gets reclaimed from dom0, to satisfy the incoming domU. However, th=
is shouldn't be happening because of (B) and (C) above.

Are the dom0-min-mem  and enable-dom0-ballooning controls broken?

I am running Xen 4.0.1 with a CentOS 2.6.32 dom0.

Any thoughts/suggestions will be most appreciated.

Thanks.
-Anil


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<head>
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>
<meta name=3D"Generator" content=3D"Microsoft Exchange Server">
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<body>
<font face=3D"Arial, sans-serif" size=3D"2">
<div>I am trying to set up an environment where dom0 is provided with a fix=
ed amount of memory (say 1024 MB)&nbsp; that doesn't change as new domUs ar=
e started on the host. For this purpose I have done the following:</div>
<div>&nbsp;</div>
<div>A) Set dom0_mem=3D1024m in grub.conf.</div>
<div>B) Set dom0-min-mem to 1024 in /etc/xen/xend-config.sxp.</div>
<div>C) Set enable-dom0-ballooning to 'no' in /etc/xen/xend-config.sxp.</di=
v>
<div>&nbsp;</div>
<div>As long the memory on the host is under-committed, dom0 gets its 1024 =
MB (as shown by xl list). However, when I start enough domUs, I notice that=
 some memory gets reclaimed from dom0, to satisfy the incoming domU. Howeve=
r, this shouldn't be happening because
of (B) and (C) above. </div>
<div>&nbsp;</div>
<div>Are the dom0-min-mem&nbsp; and enable-dom0-ballooning controls broken?=
</div>
<div>&nbsp;</div>
<div>I am running Xen 4.0.1 with a CentOS 2.6.32 dom0.</div>
<div>&nbsp;</div>
<div>Any thoughts/suggestions will be most appreciated.</div>
<div>&nbsp;</div>
<div>Thanks.</div>
<div>-Anil</div>
<div>&nbsp;</div>
</font>
</body>
</html>

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Subject: Re: [Xen-users] Xen 3.2-1 (Debian) migration Windows 2003 HVM from
 Intel to AMD and vice versa
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Hi James,

> So this is a one way migration right, nothing to do with migrating live?

Yes.

> What is the BSoD bug check code you are getting?

0x0000007B (0xF789EA94,0xC0000034,0x00000000,0x00000000)

Same thing happens when booting in Safe Mode; the progress bar at the
bottom fills up to 100%, then shortly after that BSOD.

kind regards,
Jan


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Hi James,

> So this is a one way migration right, nothing to do with migrating live?

Yes.

> What is the BSoD bug check code you are getting?

0x0000007B (0xF789EA94,0xC0000034,0x00000000,0x00000000)

Same thing happens when booting in Safe Mode; the progress bar at the
bottom fills up to 100%, then shortly after that BSOD.

kind regards,
Jan


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> Am 22.12.2011 19:00, schrieb Nathan Goulding:
>> Specifically: "One of the big problems of Windows XP under Xen is that Windows Setup chokes on Xen's ACPI, and thus you have to disable ACPI for Windows Setup to work."
>> Anyone know if that's still a problem?
> 
> I've not found this to be a problem when running Windows Server 2008R2 (as it comes with SBS 2011 Standard, German); that setup runs properly, and I haven't seen reboot problems like you mentioned. Most probably, SBS 2011 already comes with some form of patched Windows, so I'd take this report with a grain of salt.
> 

At this point the success rate of installs is ~5% and declining as I attempt more things for reliability. Interestingly enough, once Windows 2008 R2 is installed it seems to work fine with the settings I have in my vm config file. xm reboot, xm shutdown -wR, and rebooting from within the guest OS all work. Just the install that causes a problem.

FWIW, the storage backing is iSCSI with a block-iscsi script and some modifications to XendDomainInfo.py and qemu-dm to account for that.

Also, there seem to be myriad power control options and actions (xen_extended_power_mgmt, xen_platform_pci, pci_power_mgmt, viridian, acpi) but I can't seem to hit the sweet. Can someone with knowledge of Xen explain how it handles power control and its interaction with Windows?

-Nathan
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> Am 22.12.2011 19:00, schrieb Nathan Goulding:
>> Specifically: "One of the big problems of Windows XP under Xen is that Windows Setup chokes on Xen's ACPI, and thus you have to disable ACPI for Windows Setup to work."
>> Anyone know if that's still a problem?
> 
> I've not found this to be a problem when running Windows Server 2008R2 (as it comes with SBS 2011 Standard, German); that setup runs properly, and I haven't seen reboot problems like you mentioned. Most probably, SBS 2011 already comes with some form of patched Windows, so I'd take this report with a grain of salt.
> 

At this point the success rate of installs is ~5% and declining as I attempt more things for reliability. Interestingly enough, once Windows 2008 R2 is installed it seems to work fine with the settings I have in my vm config file. xm reboot, xm shutdown -wR, and rebooting from within the guest OS all work. Just the install that causes a problem.

FWIW, the storage backing is iSCSI with a block-iscsi script and some modifications to XendDomainInfo.py and qemu-dm to account for that.

Also, there seem to be myriad power control options and actions (xen_extended_power_mgmt, xen_platform_pci, pci_power_mgmt, viridian, acpi) but I can't seem to hit the sweet. Can someone with knowledge of Xen explain how it handles power control and its interaction with Windows?

-Nathan
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From: Anil Rao <anil.rao@ericsson.com>
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Date: Thu, 22 Dec 2011 17:02:28 -0500
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I think I might have resolved the issue. Since I am using xl (instead of xm=
) to manage my VMs, I believe some of the options in xend-config.sxp, such =
as dom0-min-mem and enable-dom0-ballooning are not relevant. So, in order t=
o keep the memory allocation for dom0 at a fixed value of 1024 MB, I am now=
 doing the following:

A) Set dom0_mem=3D1024m in grub.conf.
B) Set autoballoon=3D0 in /etc/xen/xl.conf.

With these settings my dom0 is kept at a steady size of 1024 MB, and when I=
 try to start one to many domUs, I get the expected failure from 'xl create=
'.

Can someone confirm if I have got this right?

Thanks.
-Anil

________________________________
I am trying to set up an environment where dom0 is provided with a fixed am=
ount of memory (say 1024 MB)  that doesn't change as new domUs are started =
on the host. For this purpose I have done the following:

A) Set dom0_mem=3D1024m in grub.conf.
B) Set dom0-min-mem to 1024 in /etc/xen/xend-config.sxp.
C) Set enable-dom0-ballooning to 'no' in /etc/xen/xend-config.sxp.

As long the memory on the host is under-committed, dom0 gets its 1024 MB (a=
s shown by xl list). However, when I start enough domUs, I notice that some=
 memory gets reclaimed from dom0, to satisfy the incoming domU. However, th=
is shouldn't be happening because of (B) and (C) above.

Are the dom0-min-mem  and enable-dom0-ballooning controls broken?

I am running Xen 4.0.1 with a CentOS 2.6.32 dom0.

Any thoughts/suggestions will be most appreciated.

Thanks.
-Anil


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<BODY>
<DIV class=3DOutlookMessageHeader lang=3Den-us dir=3Dltr align=3Dleft><SPAN=
=20
class=3D434075521-22122011><FONT face=3DArial color=3D#0000ff size=3D2>I th=
ink I might=20
have resolved the issue. Since I am using xl (instead of xm) to manage my V=
Ms, I=20
believe some of the options in xend-config.sxp, such as dom0-min-mem and=20
enable-dom0-ballooning are not relevant. So, in order to keep the memory=20
allocation for dom0 at a fixed value of 1024 MB, I am now doing the=20
following:</FONT></SPAN></DIV>
<DIV class=3DOutlookMessageHeader lang=3Den-us dir=3Dltr align=3Dleft><SPAN=
=20
class=3D434075521-22122011><FONT face=3DArial color=3D#0000ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV class=3DOutlookMessageHeader lang=3Den-us dir=3Dltr align=3Dleft><SPAN=
=20
class=3D434075521-22122011>
<DIV><FONT face=3DArial color=3D#0000ff size=3D2>A) Set dom0_mem=3D1024m in=
=20
grub.conf.</FONT></DIV>
<DIV><SPAN class=3D434075521-22122011><FONT face=3DArial color=3D#0000ff si=
ze=3D2>B) Set=20
autoballoon=3D0 in /etc/xen/xl.conf.</FONT></SPAN></DIV>
<DIV><SPAN class=3D434075521-22122011><FONT face=3DArial color=3D#0000ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=3D434075521-22122011><FONT face=3DArial color=3D#0000ff si=
ze=3D2>With=20
these settings my dom0 is kept at a steady size of 1024 MB, and when I try =
to=20
start one to many domUs, I get the expected failure from 'xl create'.=20
</FONT></SPAN></DIV>
<DIV><SPAN class=3D434075521-22122011><FONT face=3DArial color=3D#0000ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=3D434075521-22122011><FONT face=3DArial color=3D#0000ff si=
ze=3D2>Can=20
someone confirm if I have got this right?</FONT></SPAN></DIV>
<DIV><SPAN class=3D434075521-22122011><FONT face=3DArial color=3D#0000ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=3D434075521-22122011><FONT face=3DArial color=3D#0000ff=20
size=3D2>Thanks.</FONT></SPAN></DIV>
<DIV><SPAN class=3D434075521-22122011><FONT face=3DArial color=3D#0000ff=20
size=3D2>-Anil</FONT></SPAN></DIV></SPAN></DIV>
<DIV class=3DOutlookMessageHeader lang=3Den-us dir=3Dltr align=3Dleft><SPAN=
=20
class=3D434075521-22122011><FONT face=3DArial color=3D#0000ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV class=3DOutlookMessageHeader lang=3Den-us dir=3Dltr align=3Dleft>
<HR tabIndex=3D-1>
</DIV>
<DIV></DIV><FONT face=3D"Arial, sans-serif" size=3D2>
<DIV>I am trying to set up an environment where dom0 is provided with a fix=
ed=20
amount of memory (say 1024 MB)&nbsp; that doesn't change as new domUs are=20
started on the host. For this purpose I have done the following:</DIV>
<DIV>&nbsp;</DIV>
<DIV>A) Set dom0_mem=3D1024m in grub.conf.</DIV>
<DIV>B) Set dom0-min-mem to 1024 in /etc/xen/xend-config.sxp.</DIV>
<DIV>C) Set enable-dom0-ballooning to 'no' in /etc/xen/xend-config.sxp.</DI=
V>
<DIV>&nbsp;</DIV>
<DIV>As long the memory on the host is under-committed, dom0 gets its 1024 =
MB=20
(as shown by xl list). However, when I start enough domUs, I notice that so=
me=20
memory gets reclaimed from dom0, to satisfy the incoming domU. However, thi=
s=20
shouldn't be happening because of (B) and (C) above. </DIV>
<DIV>&nbsp;</DIV>
<DIV>Are the dom0-min-mem&nbsp; and enable-dom0-ballooning controls=20
broken?</DIV>
<DIV>&nbsp;</DIV>
<DIV>I am running Xen 4.0.1 with a CentOS 2.6.32 dom0.</DIV>
<DIV>&nbsp;</DIV>
<DIV>Any thoughts/suggestions will be most appreciated.</DIV>
<DIV>&nbsp;</DIV>
<DIV>Thanks.</DIV>
<DIV>-Anil</DIV>
<DIV>&nbsp;</DIV></FONT></BODY></HTML>

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I think I might have resolved the issue. Since I am using xl (instead of xm=
) to manage my VMs, I believe some of the options in xend-config.sxp, such =
as dom0-min-mem and enable-dom0-ballooning are not relevant. So, in order t=
o keep the memory allocation for dom0 at a fixed value of 1024 MB, I am now=
 doing the following:

A) Set dom0_mem=3D1024m in grub.conf.
B) Set autoballoon=3D0 in /etc/xen/xl.conf.

With these settings my dom0 is kept at a steady size of 1024 MB, and when I=
 try to start one to many domUs, I get the expected failure from 'xl create=
'.

Can someone confirm if I have got this right?

Thanks.
-Anil

________________________________
I am trying to set up an environment where dom0 is provided with a fixed am=
ount of memory (say 1024 MB)  that doesn't change as new domUs are started =
on the host. For this purpose I have done the following:

A) Set dom0_mem=3D1024m in grub.conf.
B) Set dom0-min-mem to 1024 in /etc/xen/xend-config.sxp.
C) Set enable-dom0-ballooning to 'no' in /etc/xen/xend-config.sxp.

As long the memory on the host is under-committed, dom0 gets its 1024 MB (a=
s shown by xl list). However, when I start enough domUs, I notice that some=
 memory gets reclaimed from dom0, to satisfy the incoming domU. However, th=
is shouldn't be happening because of (B) and (C) above.

Are the dom0-min-mem  and enable-dom0-ballooning controls broken?

I am running Xen 4.0.1 with a CentOS 2.6.32 dom0.

Any thoughts/suggestions will be most appreciated.

Thanks.
-Anil


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ink I might=20
have resolved the issue. Since I am using xl (instead of xm) to manage my V=
Ms, I=20
believe some of the options in xend-config.sxp, such as dom0-min-mem and=20
enable-dom0-ballooning are not relevant. So, in order to keep the memory=20
allocation for dom0 at a fixed value of 1024 MB, I am now doing the=20
following:</FONT></SPAN></DIV>
<DIV class=3DOutlookMessageHeader lang=3Den-us dir=3Dltr align=3Dleft><SPAN=
=20
class=3D434075521-22122011><FONT face=3DArial color=3D#0000ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV class=3DOutlookMessageHeader lang=3Den-us dir=3Dltr align=3Dleft><SPAN=
=20
class=3D434075521-22122011>
<DIV><FONT face=3DArial color=3D#0000ff size=3D2>A) Set dom0_mem=3D1024m in=
=20
grub.conf.</FONT></DIV>
<DIV><SPAN class=3D434075521-22122011><FONT face=3DArial color=3D#0000ff si=
ze=3D2>B) Set=20
autoballoon=3D0 in /etc/xen/xl.conf.</FONT></SPAN></DIV>
<DIV><SPAN class=3D434075521-22122011><FONT face=3DArial color=3D#0000ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=3D434075521-22122011><FONT face=3DArial color=3D#0000ff si=
ze=3D2>With=20
these settings my dom0 is kept at a steady size of 1024 MB, and when I try =
to=20
start one to many domUs, I get the expected failure from 'xl create'.=20
</FONT></SPAN></DIV>
<DIV><SPAN class=3D434075521-22122011><FONT face=3DArial color=3D#0000ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=3D434075521-22122011><FONT face=3DArial color=3D#0000ff si=
ze=3D2>Can=20
someone confirm if I have got this right?</FONT></SPAN></DIV>
<DIV><SPAN class=3D434075521-22122011><FONT face=3DArial color=3D#0000ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=3D434075521-22122011><FONT face=3DArial color=3D#0000ff=20
size=3D2>Thanks.</FONT></SPAN></DIV>
<DIV><SPAN class=3D434075521-22122011><FONT face=3DArial color=3D#0000ff=20
size=3D2>-Anil</FONT></SPAN></DIV></SPAN></DIV>
<DIV class=3DOutlookMessageHeader lang=3Den-us dir=3Dltr align=3Dleft><SPAN=
=20
class=3D434075521-22122011><FONT face=3DArial color=3D#0000ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV class=3DOutlookMessageHeader lang=3Den-us dir=3Dltr align=3Dleft>
<HR tabIndex=3D-1>
</DIV>
<DIV></DIV><FONT face=3D"Arial, sans-serif" size=3D2>
<DIV>I am trying to set up an environment where dom0 is provided with a fix=
ed=20
amount of memory (say 1024 MB)&nbsp; that doesn't change as new domUs are=20
started on the host. For this purpose I have done the following:</DIV>
<DIV>&nbsp;</DIV>
<DIV>A) Set dom0_mem=3D1024m in grub.conf.</DIV>
<DIV>B) Set dom0-min-mem to 1024 in /etc/xen/xend-config.sxp.</DIV>
<DIV>C) Set enable-dom0-ballooning to 'no' in /etc/xen/xend-config.sxp.</DI=
V>
<DIV>&nbsp;</DIV>
<DIV>As long the memory on the host is under-committed, dom0 gets its 1024 =
MB=20
(as shown by xl list). However, when I start enough domUs, I notice that so=
me=20
memory gets reclaimed from dom0, to satisfy the incoming domU. However, thi=
s=20
shouldn't be happening because of (B) and (C) above. </DIV>
<DIV>&nbsp;</DIV>
<DIV>Are the dom0-min-mem&nbsp; and enable-dom0-ballooning controls=20
broken?</DIV>
<DIV>&nbsp;</DIV>
<DIV>I am running Xen 4.0.1 with a CentOS 2.6.32 dom0.</DIV>
<DIV>&nbsp;</DIV>
<DIV>Any thoughts/suggestions will be most appreciated.</DIV>
<DIV>&nbsp;</DIV>
<DIV>Thanks.</DIV>
<DIV>-Anil</DIV>
<DIV>&nbsp;</DIV></FONT></BODY></HTML>

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> 
> Hi James,
> 
> > So this is a one way migration right, nothing to do with migrating live?
> 
> Yes.
> 
> > What is the BSoD bug check code you are getting?
> 
> 0x0000007B (0xF789EA94,0xC0000034,0x00000000,0x00000000)
> 
> Same thing happens when booting in Safe Mode; the progress bar at the
> bottom fills up to 100%, then shortly after that BSOD.
> 

If you can install the debug build of GPLPV you should get some useful output in /var/log/xen/qemu-dm-<domu name>.log

James

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> 
> Hi James,
> 
> > So this is a one way migration right, nothing to do with migrating live?
> 
> Yes.
> 
> > What is the BSoD bug check code you are getting?
> 
> 0x0000007B (0xF789EA94,0xC0000034,0x00000000,0x00000000)
> 
> Same thing happens when booting in Safe Mode; the progress bar at the
> bottom fills up to 100%, then shortly after that BSOD.
> 

If you can install the debug build of GPLPV you should get some useful output in /var/log/xen/qemu-dm-<domu name>.log

James

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On 22.12.2011 02:17, Brett Westover wrote:
> Thanks that's good to know. I wasn't mixing up HVM and PV though. The OP
> wanted to know how to connect to his HVM Windows XP console. The
> instructions you linked didn't return the needed VNC port on XCP 1.1 for
> a HVM.
>
> Is "xenstore-ls /local/domain/DOM-ID/console" the wrong way to get the
> VNC
> port?

Oops, sorry, forgot about this. Well... I'm actually not really on HVM 
domains (we running only PV in our cloud). You can see vncterm in 
'netstat -lnp' output (in dom0). Which one can be guessed by probing or 
try to dig to xenstore to find correct one. I think it must be somewhere 
there.
> All I know is that it worked for me. If it's not right, please let me
> know
> what is the correct way, as I already updated that WIKI based on my test
>
> results.
>
I have no 'clean' copy of XCP to check (only stuff with our tuning), so 
someone must check if pv domains do have that data inside.

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On 22.12.2011 02:17, Brett Westover wrote:
> Thanks that's good to know. I wasn't mixing up HVM and PV though. The OP
> wanted to know how to connect to his HVM Windows XP console. The
> instructions you linked didn't return the needed VNC port on XCP 1.1 for
> a HVM.
>
> Is "xenstore-ls /local/domain/DOM-ID/console" the wrong way to get the
> VNC
> port?

Oops, sorry, forgot about this. Well... I'm actually not really on HVM 
domains (we running only PV in our cloud). You can see vncterm in 
'netstat -lnp' output (in dom0). Which one can be guessed by probing or 
try to dig to xenstore to find correct one. I think it must be somewhere 
there.
> All I know is that it worked for me. If it's not right, please let me
> know
> what is the correct way, as I already updated that WIKI based on my test
>
> results.
>
I have no 'clean' copy of XCP to check (only stuff with our tuning), so 
someone must check if pv domains do have that data inside.

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Subject: Re: [Xen-users] pbd-plug failing when attaching an SR that was
	introduced
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On 19.12.2011 08:21, Jeremy Udit wrote:
>
> Any troubleshooting steps I can follow to get this SR attached again?  
> Has anyone seen this error before?
>
> xe pbd-plug uuid=b804d322-c501-6b59-fb7e-b6612042535c
> There was an SR backend failure.
> status: non-zero exit
> stdout:
> stderr: Traceback (most recent call last):
>   File "/opt/xensource/sm/LVMSR", line 1446, in ?
>     SRCommand.run(LVHDSR, DRIVER_INFO)
>
(skip)
>
>   File "/opt/xensource/sm/metadata.py", line 103, in retrieveXMLfromFile
>     _testHdr(hdr)
>   File "/opt/xensource/sm/metadata.py", line 41, in _testHdr
>     assert(hdr[2] <= MD_MAJOR)
> AssertionError
>
Well, start from /var/log/SMlog to see which command is actually 
failing. All storage stuff is performed not by xapi, but by the sm 
(/opt/xensource/sm) which is written in python.

There can be bunch of errors and reasons, and probably you will need to 
dig to the underlaying LVM stuff.

P.S. Are you having updated system? If you install 'normal' LVM2 package 
from centos repository this will broke many LVM operations.

--------------070801010209030508020306
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    On 19.12.2011 08:21, Jeremy Udit wrote:
    <blockquote cite="mid:205601ccbe05$9f69b280$de3d1780$@ryerson.ca"
      type="cite">
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	{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
      <div class="WordSection1">
        <p class="MsoNormal"><span lang="EN-US">Any troubleshooting
            steps I can follow to get this SR attached again?&nbsp; Has
            anyone seen this error before?<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US"><o:p>&nbsp;</o:p></span></p>
        <div style="border: 1pt solid rgb(218, 218, 218); padding: 2pt
          2pt 2pt 0cm; background: none repeat scroll 0% 0% white;
          margin-left: 19.2pt; margin-right: 12pt;">
          <p class="MsoNormal" style="margin-right: 0cm; margin-bottom:
            12pt; margin-left: 0cm; background: none repeat scroll 0% 0%
            white; border: medium none; padding: 0cm;"><span
              style="font-size: 10pt; font-family: &quot;Courier
              New&quot;; color: rgb(72, 72, 72);">xe pbd-plug
              uuid=b804d322-c501-6b59-fb7e-b6612042535c<br>
              There was an SR backend failure.<br>
              status: non-zero exit<br>
              stdout:<br>
              stderr: Traceback (most recent call last):<br>
              &nbsp; File "/opt/xensource/sm/LVMSR", line 1446, in ?<br>
              &nbsp;&nbsp;&nbsp; SRCommand.run(LVHDSR, DRIVER_INFO)<br>
            </span></p>
        </div>
      </div>
    </blockquote>
    (skip)<br>
    <blockquote cite="mid:205601ccbe05$9f69b280$de3d1780$@ryerson.ca"
      type="cite">
      <div class="WordSection1">
        <div style="mso-element:para-border-div;border:solid #DADADA
          1.0pt;padding:2.0pt 2.0pt 2.0pt
          0cm;background:white;margin-left:19.2pt;margin-right:12.0pt">
          <p class="MsoNormal"
style="mso-margin-top-alt:12.0pt;margin-right:0cm;margin-bottom:12.0pt;margin-left:0cm;background:white;border:none;padding:0cm"><span
              style="font-size:10.0pt;font-family:&quot;Courier
              New&quot;;color:#484848;mso-fareast-language:EN-CA">&nbsp; File
              "/opt/xensource/sm/metadata.py", line 103, in
              retrieveXMLfromFile<br>
              &nbsp;&nbsp;&nbsp; _testHdr(hdr)<br>
              &nbsp; File "/opt/xensource/sm/metadata.py", line 41, in
              _testHdr<br>
              &nbsp;&nbsp;&nbsp; assert(hdr[2] &lt;= MD_MAJOR)<br>
              AssertionError</span><span
              style="font-size:9.0pt;font-family:&quot;Courier
              New&quot;;color:#484848;mso-fareast-language:EN-CA"><o:p></o:p></span></p>
        </div>
        <p class="MsoNormal"><span lang="EN-US"><o:p>&nbsp;</o:p></span></p>
      </div>
    </blockquote>
    Well, start from /var/log/SMlog to see which command is actually
    failing. All storage stuff is performed not by xapi, but by the sm
    (/opt/xensource/sm) which is written in python.<br>
    <br>
    There can be bunch of errors and reasons, and probably you will need
    to dig to the underlaying LVM stuff.<br>
    <br>
    P.S. Are you having updated system? If you install 'normal' LVM2
    package from centos repository this will broke many LVM operations.<br>
  </body>
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Subject: Re: [Xen-users] pbd-plug failing when attaching an SR that was
	introduced
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On 19.12.2011 08:21, Jeremy Udit wrote:
>
> Any troubleshooting steps I can follow to get this SR attached again?  
> Has anyone seen this error before?
>
> xe pbd-plug uuid=b804d322-c501-6b59-fb7e-b6612042535c
> There was an SR backend failure.
> status: non-zero exit
> stdout:
> stderr: Traceback (most recent call last):
>   File "/opt/xensource/sm/LVMSR", line 1446, in ?
>     SRCommand.run(LVHDSR, DRIVER_INFO)
>
(skip)
>
>   File "/opt/xensource/sm/metadata.py", line 103, in retrieveXMLfromFile
>     _testHdr(hdr)
>   File "/opt/xensource/sm/metadata.py", line 41, in _testHdr
>     assert(hdr[2] <= MD_MAJOR)
> AssertionError
>
Well, start from /var/log/SMlog to see which command is actually 
failing. All storage stuff is performed not by xapi, but by the sm 
(/opt/xensource/sm) which is written in python.

There can be bunch of errors and reasons, and probably you will need to 
dig to the underlaying LVM stuff.

P.S. Are you having updated system? If you install 'normal' LVM2 package 
from centos repository this will broke many LVM operations.

--------------070801010209030508020306
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    On 19.12.2011 08:21, Jeremy Udit wrote:
    <blockquote cite="mid:205601ccbe05$9f69b280$de3d1780$@ryerson.ca"
      type="cite">
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      <div class="WordSection1">
        <p class="MsoNormal"><span lang="EN-US">Any troubleshooting
            steps I can follow to get this SR attached again?&nbsp; Has
            anyone seen this error before?<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-US"><o:p>&nbsp;</o:p></span></p>
        <div style="border: 1pt solid rgb(218, 218, 218); padding: 2pt
          2pt 2pt 0cm; background: none repeat scroll 0% 0% white;
          margin-left: 19.2pt; margin-right: 12pt;">
          <p class="MsoNormal" style="margin-right: 0cm; margin-bottom:
            12pt; margin-left: 0cm; background: none repeat scroll 0% 0%
            white; border: medium none; padding: 0cm;"><span
              style="font-size: 10pt; font-family: &quot;Courier
              New&quot;; color: rgb(72, 72, 72);">xe pbd-plug
              uuid=b804d322-c501-6b59-fb7e-b6612042535c<br>
              There was an SR backend failure.<br>
              status: non-zero exit<br>
              stdout:<br>
              stderr: Traceback (most recent call last):<br>
              &nbsp; File "/opt/xensource/sm/LVMSR", line 1446, in ?<br>
              &nbsp;&nbsp;&nbsp; SRCommand.run(LVHDSR, DRIVER_INFO)<br>
            </span></p>
        </div>
      </div>
    </blockquote>
    (skip)<br>
    <blockquote cite="mid:205601ccbe05$9f69b280$de3d1780$@ryerson.ca"
      type="cite">
      <div class="WordSection1">
        <div style="mso-element:para-border-div;border:solid #DADADA
          1.0pt;padding:2.0pt 2.0pt 2.0pt
          0cm;background:white;margin-left:19.2pt;margin-right:12.0pt">
          <p class="MsoNormal"
style="mso-margin-top-alt:12.0pt;margin-right:0cm;margin-bottom:12.0pt;margin-left:0cm;background:white;border:none;padding:0cm"><span
              style="font-size:10.0pt;font-family:&quot;Courier
              New&quot;;color:#484848;mso-fareast-language:EN-CA">&nbsp; File
              "/opt/xensource/sm/metadata.py", line 103, in
              retrieveXMLfromFile<br>
              &nbsp;&nbsp;&nbsp; _testHdr(hdr)<br>
              &nbsp; File "/opt/xensource/sm/metadata.py", line 41, in
              _testHdr<br>
              &nbsp;&nbsp;&nbsp; assert(hdr[2] &lt;= MD_MAJOR)<br>
              AssertionError</span><span
              style="font-size:9.0pt;font-family:&quot;Courier
              New&quot;;color:#484848;mso-fareast-language:EN-CA"><o:p></o:p></span></p>
        </div>
        <p class="MsoNormal"><span lang="EN-US"><o:p>&nbsp;</o:p></span></p>
      </div>
    </blockquote>
    Well, start from /var/log/SMlog to see which command is actually
    failing. All storage stuff is performed not by xapi, but by the sm
    (/opt/xensource/sm) which is written in python.<br>
    <br>
    There can be bunch of errors and reasons, and probably you will need
    to dig to the underlaying LVM stuff.<br>
    <br>
    P.S. Are you having updated system? If you install 'normal' LVM2
    package from centos repository this will broke many LVM operations.<br>
  </body>
</html>

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Hi James,

I was assuming it was AMD vs Intel as I couldn't see any other
differences. It turned out not to be the case though.

What I did to fix the problem was to remove the default Intel IDE and
Realtek network drivers even those were not used (status: Device cannot
start) prior to making the image backup. These are the default drivers
for disc and network that are there before GPLPV takes over.

I would not expect that to be an issue as this virtual hardware was
present (but not used) on the source VM.

I trust there's a perfectly logical explanation why this would be an
issue when the VM is moved to another server.

As always thank you for your quick response and willingness to help. It
makes a real difference knowing you're out there!

kind regards,
Jan



On 23/12/11 11:43, James Harper wrote:
>> Hi James,
>>
>>> So this is a one way migration right, nothing to do with migrating live?
>> Yes.
>>
>>> What is the BSoD bug check code you are getting?
>> 0x0000007B (0xF789EA94,0xC0000034,0x00000000,0x00000000)
>>
>> Same thing happens when booting in Safe Mode; the progress bar at the
>> bottom fills up to 100%, then shortly after that BSOD.
>>
> If you can install the debug build of GPLPV you should get some useful output in /var/log/xen/qemu-dm-<domu name>.log
>
> James
>


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Hi James,

I was assuming it was AMD vs Intel as I couldn't see any other
differences. It turned out not to be the case though.

What I did to fix the problem was to remove the default Intel IDE and
Realtek network drivers even those were not used (status: Device cannot
start) prior to making the image backup. These are the default drivers
for disc and network that are there before GPLPV takes over.

I would not expect that to be an issue as this virtual hardware was
present (but not used) on the source VM.

I trust there's a perfectly logical explanation why this would be an
issue when the VM is moved to another server.

As always thank you for your quick response and willingness to help. It
makes a real difference knowing you're out there!

kind regards,
Jan



On 23/12/11 11:43, James Harper wrote:
>> Hi James,
>>
>>> So this is a one way migration right, nothing to do with migrating live?
>> Yes.
>>
>>> What is the BSoD bug check code you are getting?
>> 0x0000007B (0xF789EA94,0xC0000034,0x00000000,0x00000000)
>>
>> Same thing happens when booting in Safe Mode; the progress bar at the
>> bottom fills up to 100%, then shortly after that BSOD.
>>
> If you can install the debug build of GPLPV you should get some useful output in /var/log/xen/qemu-dm-<domu name>.log
>
> James
>


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From: <frank@smallbiztek.com>
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Subject: [Xen-users] XCP
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Hi,

I have deployed three machines in recent months all of which are loaded
with XCP 1.0.  These machines are functioning very well in real
commercial environments.  I intend to deploy further machines in 2012.
All of these systems are running MS SBS2011 in a VM and also Trixbox
Asterisk based voip telephony in another VM.  I am getting fed up,
however,  with inconsistencies from commercial ADSL routers which screw
up voip and which do not provide QoS which is good enough so I have
decided to use ADSL Ethernet modems instead and perform all routing,
firewall and QoS functions inside the XCP box.  To that end I have set
up an experimental XCP 1.0 box with 2 NICS and I have set up iptables on
the host machine to perform NAT (masquerade) forwarding the entire
internet (DMZ) onto the public side of a zeroshell VM (firewall) which
will allow an easy way to open and close ports and which also performs
excellent QoS.  The reason why I want to perform a NAT masquerade on the
host itself is so I can get locked down SSH access to the host itself so
that in an emergency I can start and stop VMs or even reboot if
necessary.

All this I have successfully implemented and it all works well.  The
only fly in the ointment is if the box is connected to an ISP which only
provides a dynamic IP address.  I have used xe pif-reconfigure-ip to set
the external interface to dhcp and it does indeed lease an IP address
from the ISP.  What it does not do however, is to get the gateway
address from the ISP.  If I connect other boxes (linux or windows) to
the internet connection they all get a gateway address - but not XCP.
Because I am able to work out what the gateway address is I have added
it manually at the cli using the route command and  internet access then
works  - but this is not a solution - only a workaround - and if the IP
address changed the box would be on the wrong gateway.  It would be
really great if someone could shed some light on what is going on.

BTW.  I have not defined a gateway on the management interface so there
is only one gateway on the machine.

Kind regards,

Frank.


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vlink=3Dpurple><div class=3DWordSection1><p =
class=3DMsoNormal>Hi,<o:p></o:p></p><p class=3DMsoNormal>I have deployed =
three machines in recent months all of which are loaded with XCP =
1.0.&nbsp; These machines are functioning very well in real commercial =
environments.&nbsp; I intend to deploy further machines in 2012.&nbsp; =
All of these systems are running MS SBS2011 in a VM and also Trixbox =
Asterisk based voip telephony in another VM.&nbsp; I am getting fed =
up,&nbsp; however,&nbsp; with inconsistencies from commercial ADSL =
routers which screw up voip and which do not provide QoS which is good =
enough so I have decided to use ADSL Ethernet modems instead and perform =
all routing, firewall and QoS functions inside the XCP box.&nbsp; To =
that end I have set up an experimental XCP 1.0 box with 2 NICS and I =
have set up iptables on the host machine to perform NAT (masquerade) =
forwarding the entire internet (DMZ) onto the public side of a zeroshell =
VM (firewall) which will allow an easy way to open and close ports and =
which also performs excellent QoS.&nbsp; The reason why I want to =
perform a NAT masquerade on the host itself is so I can get locked down =
SSH access to the host itself so that in an emergency I can start and =
stop VMs or even reboot if necessary.<o:p></o:p></p><p =
class=3DMsoNormal>All this I have successfully implemented and it all =
works well.&nbsp; The only fly in the ointment is if the box is =
connected to an ISP which only provides a dynamic IP address.&nbsp; I =
have used xe pif-reconfigure-ip to set the external interface to dhcp =
and it does indeed lease an IP address from the ISP.&nbsp; What it does =
not do however, is to get the gateway address from the ISP.&nbsp; If I =
connect other boxes (linux or windows) to the internet connection they =
all get a gateway address &#8211; but not XCP.&nbsp; Because I am able =
to work out what the gateway address is I have added it manually at the =
cli using the route command and &nbsp;internet access then works =
&nbsp;&#8211; but this is not a solution &#8211; only a workaround - and =
if the IP address changed the box would be on the wrong gateway.&nbsp; =
It would be really great if someone could shed some light on what is =
going on.<o:p></o:p></p><p class=3DMsoNormal>BTW.&nbsp; I have not =
defined a gateway on the management interface so there is only one =
gateway on the machine.<o:p></o:p></p><p class=3DMsoNormal>Kind =
regards,<o:p></o:p></p><p =
class=3DMsoNormal>Frank.<o:p></o:p></p></div></body></html>
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From: <frank@smallbiztek.com>
To: <xen-users@lists.xensource.com>
Subject: [Xen-users] XCP
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Hi,

I have deployed three machines in recent months all of which are loaded
with XCP 1.0.  These machines are functioning very well in real
commercial environments.  I intend to deploy further machines in 2012.
All of these systems are running MS SBS2011 in a VM and also Trixbox
Asterisk based voip telephony in another VM.  I am getting fed up,
however,  with inconsistencies from commercial ADSL routers which screw
up voip and which do not provide QoS which is good enough so I have
decided to use ADSL Ethernet modems instead and perform all routing,
firewall and QoS functions inside the XCP box.  To that end I have set
up an experimental XCP 1.0 box with 2 NICS and I have set up iptables on
the host machine to perform NAT (masquerade) forwarding the entire
internet (DMZ) onto the public side of a zeroshell VM (firewall) which
will allow an easy way to open and close ports and which also performs
excellent QoS.  The reason why I want to perform a NAT masquerade on the
host itself is so I can get locked down SSH access to the host itself so
that in an emergency I can start and stop VMs or even reboot if
necessary.

All this I have successfully implemented and it all works well.  The
only fly in the ointment is if the box is connected to an ISP which only
provides a dynamic IP address.  I have used xe pif-reconfigure-ip to set
the external interface to dhcp and it does indeed lease an IP address
from the ISP.  What it does not do however, is to get the gateway
address from the ISP.  If I connect other boxes (linux or windows) to
the internet connection they all get a gateway address - but not XCP.
Because I am able to work out what the gateway address is I have added
it manually at the cli using the route command and  internet access then
works  - but this is not a solution - only a workaround - and if the IP
address changed the box would be on the wrong gateway.  It would be
really great if someone could shed some light on what is going on.

BTW.  I have not defined a gateway on the management interface so there
is only one gateway on the machine.

Kind regards,

Frank.


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vlink=3Dpurple><div class=3DWordSection1><p =
class=3DMsoNormal>Hi,<o:p></o:p></p><p class=3DMsoNormal>I have deployed =
three machines in recent months all of which are loaded with XCP =
1.0.&nbsp; These machines are functioning very well in real commercial =
environments.&nbsp; I intend to deploy further machines in 2012.&nbsp; =
All of these systems are running MS SBS2011 in a VM and also Trixbox =
Asterisk based voip telephony in another VM.&nbsp; I am getting fed =
up,&nbsp; however,&nbsp; with inconsistencies from commercial ADSL =
routers which screw up voip and which do not provide QoS which is good =
enough so I have decided to use ADSL Ethernet modems instead and perform =
all routing, firewall and QoS functions inside the XCP box.&nbsp; To =
that end I have set up an experimental XCP 1.0 box with 2 NICS and I =
have set up iptables on the host machine to perform NAT (masquerade) =
forwarding the entire internet (DMZ) onto the public side of a zeroshell =
VM (firewall) which will allow an easy way to open and close ports and =
which also performs excellent QoS.&nbsp; The reason why I want to =
perform a NAT masquerade on the host itself is so I can get locked down =
SSH access to the host itself so that in an emergency I can start and =
stop VMs or even reboot if necessary.<o:p></o:p></p><p =
class=3DMsoNormal>All this I have successfully implemented and it all =
works well.&nbsp; The only fly in the ointment is if the box is =
connected to an ISP which only provides a dynamic IP address.&nbsp; I =
have used xe pif-reconfigure-ip to set the external interface to dhcp =
and it does indeed lease an IP address from the ISP.&nbsp; What it does =
not do however, is to get the gateway address from the ISP.&nbsp; If I =
connect other boxes (linux or windows) to the internet connection they =
all get a gateway address &#8211; but not XCP.&nbsp; Because I am able =
to work out what the gateway address is I have added it manually at the =
cli using the route command and &nbsp;internet access then works =
&nbsp;&#8211; but this is not a solution &#8211; only a workaround - and =
if the IP address changed the box would be on the wrong gateway.&nbsp; =
It would be really great if someone could shed some light on what is =
going on.<o:p></o:p></p><p class=3DMsoNormal>BTW.&nbsp; I have not =
defined a gateway on the management interface so there is only one =
gateway on the machine.<o:p></o:p></p><p class=3DMsoNormal>Kind =
regards,<o:p></o:p></p><p =
class=3DMsoNormal>Frank.<o:p></o:p></p></div></body></html>
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From xen-users-bounces@lists.xensource.com Fri Dec 23 19:02:40 2011
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From: Scott Damron <sdamron@gmail.com>
Date: Fri, 23 Dec 2011 13:00:50 -0600
Message-ID: <CA+WRXa-c_6G=r8XEaTrJMDW0Vzc7v3x9f-tjJfWuhduVKWCTzA@mail.gmail.com>
To: frank@smallbiztek.com
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] XCP
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Don't take this the wrong way - but - WHY would you use DHCP for a
VoIP or other server?  Are you running these on site for a customer,
or are they in a data center?  The issues with running any kind of
server via DHCP are beyond the scope of this group I believe.  There
may be a few folks who can provide you with some ideas, but over all,
I would say you are on your own.

On Fri, Dec 23, 2011 at 12:51 PM,  <frank@smallbiztek.com> wrote:
> Hi,
>
> I have deployed three machines in recent months all of which are loaded w=
ith
> XCP 1.0.=A0 These machines are functioning very well in real commercial
> environments.=A0 I intend to deploy further machines in 2012.=A0 All of t=
hese
> systems are running MS SBS2011 in a VM and also Trixbox Asterisk based vo=
ip
> telephony in another VM.=A0 I am getting fed up,=A0 however,=A0 with
> inconsistencies from commercial ADSL routers which screw up voip and which
> do not provide QoS which is good enough so I have decided to use ADSL
> Ethernet modems instead and perform all routing, firewall and QoS functio=
ns
> inside the XCP box.=A0 To that end I have set up an experimental XCP 1.0 =
box
> with 2 NICS and I have set up iptables on the host machine to perform NAT
> (masquerade) forwarding the entire internet (DMZ) onto the public side of=
 a
> zeroshell VM (firewall) which will allow an easy way to open and close po=
rts
> and which also performs excellent QoS.=A0 The reason why I want to perfor=
m a
> NAT masquerade on the host itself is so I can get locked down SSH access =
to
> the host itself so that in an emergency I can start and stop VMs or even
> reboot if necessary.
>
> All this I have successfully implemented and it all works well.=A0 The on=
ly
> fly in the ointment is if the box is connected to an ISP which only provi=
des
> a dynamic IP address.=A0 I have used xe pif-reconfigure-ip to set the ext=
ernal
> interface to dhcp and it does indeed lease an IP address from the ISP.=A0=
 What
> it does not do however, is to get the gateway address from the ISP.=A0 If=
 I
> connect other boxes (linux or windows) to the internet connection they all
> get a gateway address =96 but not XCP.=A0 Because I am able to work out w=
hat the
> gateway address is I have added it manually at the cli using the route
> command and =A0internet access then works =A0=96 but this is not a soluti=
on =96 only
> a workaround - and if the IP address changed the box would be on the wrong
> gateway.=A0 It would be really great if someone could shed some light on =
what
> is going on.
>
> BTW.=A0 I have not defined a gateway on the management interface so there=
 is
> only one gateway on the machine.
>
> Kind regards,
>
> Frank.
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users

_______________________________________________
Xen-users mailing list
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http://lists.xensource.com/xen-users

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From: Scott Damron <sdamron@gmail.com>
Date: Fri, 23 Dec 2011 13:00:50 -0600
Message-ID: <CA+WRXa-c_6G=r8XEaTrJMDW0Vzc7v3x9f-tjJfWuhduVKWCTzA@mail.gmail.com>
To: frank@smallbiztek.com
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] XCP
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Don't take this the wrong way - but - WHY would you use DHCP for a
VoIP or other server?  Are you running these on site for a customer,
or are they in a data center?  The issues with running any kind of
server via DHCP are beyond the scope of this group I believe.  There
may be a few folks who can provide you with some ideas, but over all,
I would say you are on your own.

On Fri, Dec 23, 2011 at 12:51 PM,  <frank@smallbiztek.com> wrote:
> Hi,
>
> I have deployed three machines in recent months all of which are loaded w=
ith
> XCP 1.0.=A0 These machines are functioning very well in real commercial
> environments.=A0 I intend to deploy further machines in 2012.=A0 All of t=
hese
> systems are running MS SBS2011 in a VM and also Trixbox Asterisk based vo=
ip
> telephony in another VM.=A0 I am getting fed up,=A0 however,=A0 with
> inconsistencies from commercial ADSL routers which screw up voip and which
> do not provide QoS which is good enough so I have decided to use ADSL
> Ethernet modems instead and perform all routing, firewall and QoS functio=
ns
> inside the XCP box.=A0 To that end I have set up an experimental XCP 1.0 =
box
> with 2 NICS and I have set up iptables on the host machine to perform NAT
> (masquerade) forwarding the entire internet (DMZ) onto the public side of=
 a
> zeroshell VM (firewall) which will allow an easy way to open and close po=
rts
> and which also performs excellent QoS.=A0 The reason why I want to perfor=
m a
> NAT masquerade on the host itself is so I can get locked down SSH access =
to
> the host itself so that in an emergency I can start and stop VMs or even
> reboot if necessary.
>
> All this I have successfully implemented and it all works well.=A0 The on=
ly
> fly in the ointment is if the box is connected to an ISP which only provi=
des
> a dynamic IP address.=A0 I have used xe pif-reconfigure-ip to set the ext=
ernal
> interface to dhcp and it does indeed lease an IP address from the ISP.=A0=
 What
> it does not do however, is to get the gateway address from the ISP.=A0 If=
 I
> connect other boxes (linux or windows) to the internet connection they all
> get a gateway address =96 but not XCP.=A0 Because I am able to work out w=
hat the
> gateway address is I have added it manually at the cli using the route
> command and =A0internet access then works =A0=96 but this is not a soluti=
on =96 only
> a workaround - and if the IP address changed the box would be on the wrong
> gateway.=A0 It would be really great if someone could shed some light on =
what
> is going on.
>
> BTW.=A0 I have not defined a gateway on the management interface so there=
 is
> only one gateway on the machine.
>
> Kind regards,
>
> Frank.
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users

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From xen-users-bounces@lists.xensource.com Fri Dec 23 19:20:39 2011
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From: <frank@smallbiztek.com>
To: <sdamron@gmail.com>
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] XCP
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Hi Scott,
Thank you for your response.  The three machines I referred to are all on s=
tatic IPs. They are on in the customer's premises running on an ADSL connec=
tion  - not in a data centre.  Much of my development work, however, is don=
e at home.  My ISP only provides dynamic IPs.  I would move to a different =
ISP to get a static IP or group of IPs if it weren't for the fact that I ca=
nnot get a big fat 50 mbps downstream and a 5 mbps upstream any other way! =
 Static IPs do not give a problem so it's a minor point really.  I'm just i=
nterested to know why I can't get the gateway address via dhcp.  That's all.
Many thanks,
Frank.

-----Original Message-----
From: Scott Damron [mailto:sdamron@gmail.com] =

Sent: 23 December 2011 19:01
To: Frank Salter
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] XCP

Don't take this the wrong way - but - WHY would you use DHCP for a
VoIP or other server?  Are you running these on site for a customer,
or are they in a data center?  The issues with running any kind of
server via DHCP are beyond the scope of this group I believe.  There
may be a few folks who can provide you with some ideas, but over all,
I would say you are on your own.

On Fri, Dec 23, 2011 at 12:51 PM,  <frank@smallbiztek.com> wrote:
> Hi,
>
> I have deployed three machines in recent months all of which are loaded w=
ith
> XCP 1.0.=A0 These machines are functioning very well in real commercial
> environments.=A0 I intend to deploy further machines in 2012.=A0 All of t=
hese
> systems are running MS SBS2011 in a VM and also Trixbox Asterisk based vo=
ip
> telephony in another VM.=A0 I am getting fed up,=A0 however,=A0 with
> inconsistencies from commercial ADSL routers which screw up voip and which
> do not provide QoS which is good enough so I have decided to use ADSL
> Ethernet modems instead and perform all routing, firewall and QoS functio=
ns
> inside the XCP box.=A0 To that end I have set up an experimental XCP 1.0 =
box
> with 2 NICS and I have set up iptables on the host machine to perform NAT
> (masquerade) forwarding the entire internet (DMZ) onto the public side of=
 a
> zeroshell VM (firewall) which will allow an easy way to open and close po=
rts
> and which also performs excellent QoS.=A0 The reason why I want to perfor=
m a
> NAT masquerade on the host itself is so I can get locked down SSH access =
to
> the host itself so that in an emergency I can start and stop VMs or even
> reboot if necessary.
>
> All this I have successfully implemented and it all works well.=A0 The on=
ly
> fly in the ointment is if the box is connected to an ISP which only provi=
des
> a dynamic IP address.=A0 I have used xe pif-reconfigure-ip to set the ext=
ernal
> interface to dhcp and it does indeed lease an IP address from the ISP.=A0=
 What
> it does not do however, is to get the gateway address from the ISP.=A0 If=
 I
> connect other boxes (linux or windows) to the internet connection they all
> get a gateway address - but not XCP.=A0 Because I am able to work out wha=
t the
> gateway address is I have added it manually at the cli using the route
> command and =A0internet access then works =A0- but this is not a solution=
 - only
> a workaround - and if the IP address changed the box would be on the wrong
> gateway.=A0 It would be really great if someone could shed some light on =
what
> is going on.
>
> BTW.=A0 I have not defined a gateway on the management interface so there=
 is
> only one gateway on the machine.
>
> Kind regards,
>
> Frank.
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users

_______________________________________________
Xen-users mailing list
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http://lists.xensource.com/xen-users

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From: <frank@smallbiztek.com>
To: <sdamron@gmail.com>
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] XCP
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Hi Scott,
Thank you for your response.  The three machines I referred to are all on s=
tatic IPs. They are on in the customer's premises running on an ADSL connec=
tion  - not in a data centre.  Much of my development work, however, is don=
e at home.  My ISP only provides dynamic IPs.  I would move to a different =
ISP to get a static IP or group of IPs if it weren't for the fact that I ca=
nnot get a big fat 50 mbps downstream and a 5 mbps upstream any other way! =
 Static IPs do not give a problem so it's a minor point really.  I'm just i=
nterested to know why I can't get the gateway address via dhcp.  That's all.
Many thanks,
Frank.

-----Original Message-----
From: Scott Damron [mailto:sdamron@gmail.com] =

Sent: 23 December 2011 19:01
To: Frank Salter
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] XCP

Don't take this the wrong way - but - WHY would you use DHCP for a
VoIP or other server?  Are you running these on site for a customer,
or are they in a data center?  The issues with running any kind of
server via DHCP are beyond the scope of this group I believe.  There
may be a few folks who can provide you with some ideas, but over all,
I would say you are on your own.

On Fri, Dec 23, 2011 at 12:51 PM,  <frank@smallbiztek.com> wrote:
> Hi,
>
> I have deployed three machines in recent months all of which are loaded w=
ith
> XCP 1.0.=A0 These machines are functioning very well in real commercial
> environments.=A0 I intend to deploy further machines in 2012.=A0 All of t=
hese
> systems are running MS SBS2011 in a VM and also Trixbox Asterisk based vo=
ip
> telephony in another VM.=A0 I am getting fed up,=A0 however,=A0 with
> inconsistencies from commercial ADSL routers which screw up voip and which
> do not provide QoS which is good enough so I have decided to use ADSL
> Ethernet modems instead and perform all routing, firewall and QoS functio=
ns
> inside the XCP box.=A0 To that end I have set up an experimental XCP 1.0 =
box
> with 2 NICS and I have set up iptables on the host machine to perform NAT
> (masquerade) forwarding the entire internet (DMZ) onto the public side of=
 a
> zeroshell VM (firewall) which will allow an easy way to open and close po=
rts
> and which also performs excellent QoS.=A0 The reason why I want to perfor=
m a
> NAT masquerade on the host itself is so I can get locked down SSH access =
to
> the host itself so that in an emergency I can start and stop VMs or even
> reboot if necessary.
>
> All this I have successfully implemented and it all works well.=A0 The on=
ly
> fly in the ointment is if the box is connected to an ISP which only provi=
des
> a dynamic IP address.=A0 I have used xe pif-reconfigure-ip to set the ext=
ernal
> interface to dhcp and it does indeed lease an IP address from the ISP.=A0=
 What
> it does not do however, is to get the gateway address from the ISP.=A0 If=
 I
> connect other boxes (linux or windows) to the internet connection they all
> get a gateway address - but not XCP.=A0 Because I am able to work out wha=
t the
> gateway address is I have added it manually at the cli using the route
> command and =A0internet access then works =A0- but this is not a solution=
 - only
> a workaround - and if the IP address changed the box would be on the wrong
> gateway.=A0 It would be really great if someone could shed some light on =
what
> is going on.
>
> BTW.=A0 I have not defined a gateway on the management interface so there=
 is
> only one gateway on the machine.
>
> Kind regards,
>
> Frank.
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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From: =?UTF-8?B?5ZiJ6LCf?= <yxy.716@gmail.com>
Date: Sat, 24 Dec 2011 03:25:47 +0800
Message-ID: <CA+fE_MSYAa=+vfK-bF0surg-E7asQc+NKdkwnoq6eYTs0_nt5w@mail.gmail.com>
To: Kyle Lexmond <kyl191@kyl191.net>
Cc: "xen-users@lists.xensource.com" <Xen-users@lists.xensource.com>
Subject: Re: [Xen-users] fedora install
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Date: Fri, 23 Dec 2011 22:37:15 -0800
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To: frank@smallbiztek.com
Cc: xen-users@lists.xensource.com, sdamron@gmail.com
Subject: Re: [Xen-users] XCP
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  I'm just interested to know why I can't get the gateway address via dhcp.
 That's all.

> Many thanks,
> Frank.
>
>
So the problem really is

"Why doesn't my XCP 1.0 machine retrieve the default gateway when it does a
DHCP request? "

One question. If you do a dhclient <network interface> on the XCP machine
does it get the gateway? If so then you're down to figuring out why the XCP
OS doesn't do it on boot. I've found there are many small changes to the OS
that effect it running as a standard Linux server (like not doing a
vgchange -ay on boot). I can't test this to see how mine work because I
like everyone else here wouldn't run it on a Dynamic address.


A quick temporary fix would be to let your router get the IP address if it
can and then just forward the ports to your XCP's "outside" network
interface where you'll do all the QoS, filtering etc..

Grant McWilliams

--f46d04339dd6143bbc04b4d0c6e2
Content-Type: text/html; charset=UTF-8
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<div><br></div>=C2=A0 I&#39;m just interested to know why I can&#39;t get t=
he gateway address via dhcp. =C2=A0That&#39;s all.<br><div class=3D"gmail_q=
uote"><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-l=
eft:1px #ccc solid;padding-left:1ex">


Many thanks,<br>
Frank.<br>
<div><div></div><div class=3D"h5"><br></div></div></blockquote><div><br></d=
iv><div>So the problem really is=C2=A0</div><div><br></div><div>&quot;Why d=
oesn&#39;t my XCP 1.0 machine retrieve the default gateway when it does a D=
HCP request? &quot;=C2=A0</div>

<div><br></div><div>One question. If you do a dhclient &lt;network interfac=
e&gt; on the XCP machine does it get the gateway? If so then you&#39;re dow=
n to figuring out why the XCP OS doesn&#39;t do it on boot. I&#39;ve found =
there are many small changes to the OS that effect it running as a standard=
 Linux server (like not doing a vgchange -ay on boot). I can&#39;t test thi=
s to see how mine work because I like everyone else here wouldn&#39;t run i=
t on a Dynamic address.=C2=A0</div>

<div><br></div><div><br></div><div>A quick temporary fix would be to let yo=
ur router get the IP address if it can and then just forward the ports to y=
our XCP&#39;s &quot;outside&quot; network interface where you&#39;ll do all=
 the QoS, filtering etc..=C2=A0</div>

<div><br></div><div>Grant McWilliams</div><div><br></div></div>

--f46d04339dd6143bbc04b4d0c6e2--


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From: Grant McWilliams <grantmasterflash@gmail.com>
Date: Fri, 23 Dec 2011 22:37:15 -0800
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To: frank@smallbiztek.com
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Subject: Re: [Xen-users] XCP
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  I'm just interested to know why I can't get the gateway address via dhcp.
 That's all.

> Many thanks,
> Frank.
>
>
So the problem really is

"Why doesn't my XCP 1.0 machine retrieve the default gateway when it does a
DHCP request? "

One question. If you do a dhclient <network interface> on the XCP machine
does it get the gateway? If so then you're down to figuring out why the XCP
OS doesn't do it on boot. I've found there are many small changes to the OS
that effect it running as a standard Linux server (like not doing a
vgchange -ay on boot). I can't test this to see how mine work because I
like everyone else here wouldn't run it on a Dynamic address.


A quick temporary fix would be to let your router get the IP address if it
can and then just forward the ports to your XCP's "outside" network
interface where you'll do all the QoS, filtering etc..

Grant McWilliams

--f46d04339dd6143bbc04b4d0c6e2
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div><br></div>=C2=A0 I&#39;m just interested to know why I can&#39;t get t=
he gateway address via dhcp. =C2=A0That&#39;s all.<br><div class=3D"gmail_q=
uote"><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-l=
eft:1px #ccc solid;padding-left:1ex">


Many thanks,<br>
Frank.<br>
<div><div></div><div class=3D"h5"><br></div></div></blockquote><div><br></d=
iv><div>So the problem really is=C2=A0</div><div><br></div><div>&quot;Why d=
oesn&#39;t my XCP 1.0 machine retrieve the default gateway when it does a D=
HCP request? &quot;=C2=A0</div>

<div><br></div><div>One question. If you do a dhclient &lt;network interfac=
e&gt; on the XCP machine does it get the gateway? If so then you&#39;re dow=
n to figuring out why the XCP OS doesn&#39;t do it on boot. I&#39;ve found =
there are many small changes to the OS that effect it running as a standard=
 Linux server (like not doing a vgchange -ay on boot). I can&#39;t test thi=
s to see how mine work because I like everyone else here wouldn&#39;t run i=
t on a Dynamic address.=C2=A0</div>

<div><br></div><div><br></div><div>A quick temporary fix would be to let yo=
ur router get the IP address if it can and then just forward the ports to y=
our XCP&#39;s &quot;outside&quot; network interface where you&#39;ll do all=
 the QoS, filtering etc..=C2=A0</div>

<div><br></div><div>Grant McWilliams</div><div><br></div></div>

--f46d04339dd6143bbc04b4d0c6e2--


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--===============6527319583304237145==--


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Hi =0A=0A=0AI wrote an article =0A=0A=0Ahttp://www.davidgis.fr/blog/index.p=
hp?2011/12/25/867-xen-42-unstable-xen-pvhvm-on-linux-hvm-vga-pass-through-n=
vidia-it-works-for-linux-316=0A=0Ato explain that PVHVM works with VGA Pass=
Through. Example is for Ubuntu Lucid 10.4.3 =0A=0AIn this article I do not =
explain the install of VGA PassThrough, please refer to the Xen Wiki or for=
 recent patches to this article=0A=0Ahttp://www.davidgis.fr/blog/index.php?=
2011/12/07/860-xen-42unstable-patches-for-vga-pass-through=0A=0A=0AHope thi=
s helps.=0A=0AKind regards.=0A=0ADavid.=0A
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<html><body><div style=3D"color:#000; background-color:#fff; font-family:ti=
mes new roman, new york, times, serif;font-size:12pt"><div>Hi <br></div><di=
v><br></div><div>I wrote an article <br></div><div><br></div><div>http://ww=
w.davidgis.fr/blog/index.php?2011/12/25/867-xen-42-unstable-xen-pvhvm-on-li=
nux-hvm-vga-pass-through-nvidia-it-works-for-linux-316</div><div><br></div>=
<div>to explain that PVHVM works with VGA PassThrough. Example is for Ubunt=
u Lucid 10.4.3 </div><div><br></div><div>In this article I do not explain t=
he install of VGA PassThrough, please refer to the Xen Wiki or for recent p=
atches to this article</div><div><br></div><div>http://www.davidgis.fr/blog=
/index.php?2011/12/07/860-xen-42unstable-patches-for-vga-pass-through<br></=
div><div><br></div><div>Hope this helps.</div><div><br></div><div>Kind rega=
rds.</div><div><br></div><div>David.</div></div></body></html>
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Hi =0A=0A=0AI wrote an article =0A=0A=0Ahttp://www.davidgis.fr/blog/index.p=
hp?2011/12/25/867-xen-42-unstable-xen-pvhvm-on-linux-hvm-vga-pass-through-n=
vidia-it-works-for-linux-316=0A=0Ato explain that PVHVM works with VGA Pass=
Through. Example is for Ubuntu Lucid 10.4.3 =0A=0AIn this article I do not =
explain the install of VGA PassThrough, please refer to the Xen Wiki or for=
 recent patches to this article=0A=0Ahttp://www.davidgis.fr/blog/index.php?=
2011/12/07/860-xen-42unstable-patches-for-vga-pass-through=0A=0A=0AHope thi=
s helps.=0A=0AKind regards.=0A=0ADavid.=0A
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<html><body><div style=3D"color:#000; background-color:#fff; font-family:ti=
mes new roman, new york, times, serif;font-size:12pt"><div>Hi <br></div><di=
v><br></div><div>I wrote an article <br></div><div><br></div><div>http://ww=
w.davidgis.fr/blog/index.php?2011/12/25/867-xen-42-unstable-xen-pvhvm-on-li=
nux-hvm-vga-pass-through-nvidia-it-works-for-linux-316</div><div><br></div>=
<div>to explain that PVHVM works with VGA PassThrough. Example is for Ubunt=
u Lucid 10.4.3 </div><div><br></div><div>In this article I do not explain t=
he install of VGA PassThrough, please refer to the Xen Wiki or for recent p=
atches to this article</div><div><br></div><div>http://www.davidgis.fr/blog=
/index.php?2011/12/07/860-xen-42unstable-patches-for-vga-pass-through<br></=
div><div><br></div><div>Hope this helps.</div><div><br></div><div>Kind rega=
rds.</div><div><br></div><div>David.</div></div></body></html>
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From xen-users-bounces@lists.xensource.com Sun Dec 25 07:41:56 2011
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From: Fabian Zimmermann <xenusers@z-technologies.de>
To: xen-users@lists.xensource.com
Subject: [Xen-users] Xen is 37x slower in processing a loop
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Hello everybody,

i just wondered why my xen-maschine is ~37 times slower in starting
processes as my workstation.

workstation:
time for id in $( seq 0 1000 ); do /bin/true; done
real	0m1.358s
user	0m1.142s
sys	0m0.090s
time /bin/true
real	0m0.002s
user	0m0.001s
sys	0m0.001s

xen 3.4.3 (2.6.18.8-xen, Lenny, AMD II X4, 16G RAM):
time for id in $( seq 0 1000 ); do /bin/true; done
real	0m49.318s
user	0m2.090s
sys	0m41.400s
time /bin/true
real	0m0.038s
user	0m0.010s
sys	0m0.010s

so my  xen-hosts needs ~37x more time to complete the loop and even a
simple /bin/true is >10x slower. The native CPU-performance is not
affected, compressing/openssl-benchmarks are running fine. Looks like
the host have some troubles in starting/switching processes.

Any ideas where to look at/start?

Thanks a lot,

Fabian

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

From xen-users-bounces@lists.xensource.com Sun Dec 25 07:41:56 2011
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From: Fabian Zimmermann <xenusers@z-technologies.de>
To: xen-users@lists.xensource.com
Subject: [Xen-users] Xen is 37x slower in processing a loop
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Hello everybody,

i just wondered why my xen-maschine is ~37 times slower in starting
processes as my workstation.

workstation:
time for id in $( seq 0 1000 ); do /bin/true; done
real	0m1.358s
user	0m1.142s
sys	0m0.090s
time /bin/true
real	0m0.002s
user	0m0.001s
sys	0m0.001s

xen 3.4.3 (2.6.18.8-xen, Lenny, AMD II X4, 16G RAM):
time for id in $( seq 0 1000 ); do /bin/true; done
real	0m49.318s
user	0m2.090s
sys	0m41.400s
time /bin/true
real	0m0.038s
user	0m0.010s
sys	0m0.010s

so my  xen-hosts needs ~37x more time to complete the loop and even a
simple /bin/true is >10x slower. The native CPU-performance is not
affected, compressing/openssl-benchmarks are running fine. Looks like
the host have some troubles in starting/switching processes.

Any ideas where to look at/start?

Thanks a lot,

Fabian

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

From xen-users-bounces@lists.xensource.com Sun Dec 25 09:18:41 2011
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From: Kyle Lexmond <kyl191@kyl191.net>
Date: Sun, 25 Dec 2011 17:16:23 +0800
Message-ID: <CA+fvCKOnsAxZ7T7fMyAh=7NkBD++aPz_GiJ+QTDDCm=q9O3h7A@mail.gmail.com>
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Cc: "xen-users@lists.xensource.com" <Xen-users@lists.xensource.com>
Subject: Re: [Xen-users] fedora install
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From: Florian Heigl <florian.heigl@gmail.com>
To: Fabian Zimmermann <xenusers@z-technologies.de>
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Subject: Re: [Xen-users] Xen is 37x slower in processing a loop
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Hi,

> Any ideas where to look at/start?

please start by doing the comparisms using the same system, and then
look into different domU kernels.
This, for example is on my irc VM, running 2.6.26-2 debian kernel on a
squeeze host.
The VM is actually even cpu capped to 70% of one i7 core.

$ time for id in $( seq 0 1000 ); do /bin/true; done

real    0m1.14s
user    0m0.21s
sys     0m0.57s

If it's taking 40s(!) for you then start looking for disk trashing in
the host, too.
i.e. md_resync used to completely abuse servers while it was running.

Greets,
Florian

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Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Hi,

> Any ideas where to look at/start?

please start by doing the comparisms using the same system, and then
look into different domU kernels.
This, for example is on my irc VM, running 2.6.26-2 debian kernel on a
squeeze host.
The VM is actually even cpu capped to 70% of one i7 core.

$ time for id in $( seq 0 1000 ); do /bin/true; done

real    0m1.14s
user    0m0.21s
sys     0m0.57s

If it's taking 40s(!) for you then start looking for disk trashing in
the host, too.
i.e. md_resync used to completely abuse servers while it was running.

Greets,
Florian

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From: Fabian Zimmermann <xenusers@z-technologies.de>
To: xen-users@lists.xensource.com
Subject: Re: [Xen-users] Xen is 37x slower in processing a loop
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Hi

2011/12/25 Florian Heigl <florian.heigl@gmail.com>:
> please start by doing the comparisms using the same system, and then
> look into different domU kernels.

Quite hard, because the affected system is running prod. services.

FYI: I didn't run the tests in DomU, I tested Dom0!

> This, for example is on my irc VM, running 2.6.26-2 debian kernel on a
> squeeze host.
> The VM is actually even cpu capped to 70% of one i7 core.

But here the tests done in DomU:

DomU - Squeeze 2.6.32-5-xen-686

real    1m3.636s
user    0m1.192s
sys     1m3.356s

DomU - Etch 2.6.18-6-xen-686

real    0m48.190s
user    0m0.208s
sys     0m47.271s

> If it's taking 40s(!) for you then start looking for disk trashing in
> the host, too.
> i.e. md_resync used to completely abuse servers while it was running.

Host is powered by (real) hardware-raid, so md_resync is impossible.
Also checked io-usage, but nothing strange here. Also limited prio of
DomU-io-processes in Dom0 to IDLE, didn't help.

I think I have to reproduce this on different hardware to get this solved.

Any further hints would be nice.

Thanks a lot,

Fabian

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Hi

2011/12/25 Florian Heigl <florian.heigl@gmail.com>:
> please start by doing the comparisms using the same system, and then
> look into different domU kernels.

Quite hard, because the affected system is running prod. services.

FYI: I didn't run the tests in DomU, I tested Dom0!

> This, for example is on my irc VM, running 2.6.26-2 debian kernel on a
> squeeze host.
> The VM is actually even cpu capped to 70% of one i7 core.

But here the tests done in DomU:

DomU - Squeeze 2.6.32-5-xen-686

real    1m3.636s
user    0m1.192s
sys     1m3.356s

DomU - Etch 2.6.18-6-xen-686

real    0m48.190s
user    0m0.208s
sys     0m47.271s

> If it's taking 40s(!) for you then start looking for disk trashing in
> the host, too.
> i.e. md_resync used to completely abuse servers while it was running.

Host is powered by (real) hardware-raid, so md_resync is impossible.
Also checked io-usage, but nothing strange here. Also limited prio of
DomU-io-processes in Dom0 to IDLE, didn't help.

I think I have to reproduce this on different hardware to get this solved.

Any further hints would be nice.

Thanks a lot,

Fabian

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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>
>
> I think I have to reproduce this on different hardware to get this solved.
>
> Any further hints would be nice.
>
> Thanks a lot,
>
> Fabian
>
> My prediction is on different hardware you won't see it.


Grant McWilliams
http://grantmcwilliams.com/

Some people, when confronted with a problem, think "I know, I'll use
Windows."
Now they have two problems.

--f46d042d05bc6bae3804b4f3232e
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<div class=3D"gmail_quote"><blockquote class=3D"gmail_quote" style=3D"margi=
n:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><br>
I think I have to reproduce this on different hardware to get this solved.<=
br>
<br>
Any further hints would be nice.<br>
<br>
Thanks a lot,<br>
<font color=3D"#888888"><br>
Fabian<br>
</font><div><div></div><div class=3D"h5"><br></div></div></blockquote><div>=
My prediction is on different hardware you won&#39;t see it.</div><div><br>=
</div><br clear=3D"all">Grant McWilliams<br><a href=3D"http://grantmcwillia=
ms.com/" target=3D"_blank">http://grantmcwilliams.com/</a><br>

<br>Some people, when confronted with a problem, think &quot;I know, I&#39;=
ll use Windows.&quot;=C2=A0<br><div>Now they have two problems.=C2=A0</div>=
</div>

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>
>
> I think I have to reproduce this on different hardware to get this solved.
>
> Any further hints would be nice.
>
> Thanks a lot,
>
> Fabian
>
> My prediction is on different hardware you won't see it.


Grant McWilliams
http://grantmcwilliams.com/

Some people, when confronted with a problem, think "I know, I'll use
Windows."
Now they have two problems.

--f46d042d05bc6bae3804b4f3232e
Content-Type: text/html; charset=UTF-8
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<div class=3D"gmail_quote"><blockquote class=3D"gmail_quote" style=3D"margi=
n:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><br>
I think I have to reproduce this on different hardware to get this solved.<=
br>
<br>
Any further hints would be nice.<br>
<br>
Thanks a lot,<br>
<font color=3D"#888888"><br>
Fabian<br>
</font><div><div></div><div class=3D"h5"><br></div></div></blockquote><div>=
My prediction is on different hardware you won&#39;t see it.</div><div><br>=
</div><br clear=3D"all">Grant McWilliams<br><a href=3D"http://grantmcwillia=
ms.com/" target=3D"_blank">http://grantmcwilliams.com/</a><br>

<br>Some people, when confronted with a problem, think &quot;I know, I&#39;=
ll use Windows.&quot;=C2=A0<br><div>Now they have two problems.=C2=A0</div>=
</div>

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From xen-users-bounces@lists.xensource.com Tue Dec 27 14:13:57 2011
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Hello, everyone.
I am new to Xen, I don't know if Xen Driver Domain, network for
example, support the HVM DomU, like a windows DomU?
Can the windows DomU connect to Internet through the network driver
domain without problem.
The system is Debian squeeze 6.0 x86-64 with xen-hypervisor-4.0-amd64,
xen-qemu-dm-4.0, xen-linux-system-2.6-xen-amd64.

Best Regards!

Ben

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Hello, everyone.
I am new to Xen, I don't know if Xen Driver Domain, network for
example, support the HVM DomU, like a windows DomU?
Can the windows DomU connect to Internet through the network driver
domain without problem.
The system is Debian squeeze 6.0 x86-64 with xen-hypervisor-4.0-amd64,
xen-qemu-dm-4.0, xen-linux-system-2.6-xen-amd64.

Best Regards!

Ben

_______________________________________________
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Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

From xen-users-bounces@lists.xensource.com Tue Dec 27 19:13:34 2011
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Bo Xu <xubo.njust@gmail.com> schrieb:


>Can the windows DomU connect to Internet through the network driver
>domain without problem.

Not shure if i understand you right here, but by the virtual network interfaces (if configured on your DomU) you can connect "to the outside" of your DomU - like the hypervisor Dom0 or any other connected network (by bridging or routing on Dom0).

Another option in special cases could be using PCI or USB passtrough to your DomU - makes you able to connect even real hardware connected on the host machine.


hth
cheers,


Niels.
- --
Niels Dettenbach
Syndicat IT&Internet
http://www.syndicat.com
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Bo Xu <xubo.njust@gmail.com> schrieb:


>Can the windows DomU connect to Internet through the network driver
>domain without problem.

Not shure if i understand you right here, but by the virtual network interfaces (if configured on your DomU) you can connect "to the outside" of your DomU - like the hypervisor Dom0 or any other connected network (by bridging or routing on Dom0).

Another option in special cases could be using PCI or USB passtrough to your DomU - makes you able to connect even real hardware connected on the host machine.


hth
cheers,


Niels.
- --
Niels Dettenbach
Syndicat IT&Internet
http://www.syndicat.com
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On Dec 22, 2011, at 4:59 PM, Nathan Goulding wrote:

>> Am 22.12.2011 19:00, schrieb Nathan Goulding:
>>> Specifically: "One of the big problems of Windows XP under Xen is that Windows Setup chokes on Xen's ACPI, and thus you have to disable ACPI for Windows Setup to work."
>>> Anyone know if that's still a problem?
>> 
>> I've not found this to be a problem when running Windows Server 2008R2 (as it comes with SBS 2011 Standard, German); that setup runs properly, and I haven't seen reboot problems like you mentioned. Most probably, SBS 2011 already comes with some form of patched Windows, so I'd take this report with a grain of salt.
>> 
> 
> At this point the success rate of installs is ~5% and declining as I attempt more things for reliability. Interestingly enough, once Windows 2008 R2 is installed it seems to work fine with the settings I have in my vm config file. xm reboot, xm shutdown -wR, and rebooting from within the guest OS all work. Just the install that causes a problem.
> 
> FWIW, the storage backing is iSCSI with a block-iscsi script and some modifications to XendDomainInfo.py and qemu-dm to account for that.
> 
> Also, there seem to be myriad power control options and actions (xen_extended_power_mgmt, xen_platform_pci, pci_power_mgmt, viridian, acpi) but I can't seem to hit the sweet. Can someone with knowledge of Xen explain how it handles power control and its interaction with Windows?

As an update to anyone out there with a similar problem: It's necessary that the GPLPV drivers be pre-installed for Windows Setup to complete with sysprep'd images. Windows Setup will consistently fail on Xen's ACPI if they're not.

So it would appear that the old wiki's statement that "[o]ne of the big problems of Windows XP under Xen is that Windows Setup chokes on Xen's ACPI, and thus you have to disable ACPI for Windows Setup to work." is still accurate for Xen 4.1. Since with Server 2008 it's not possible to disable ACPI you have to install 2008 manually (i.e. from CD/iso), then install the GPLPV drivers, then sysprep, then you're good.

-Nathan
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On Dec 22, 2011, at 4:59 PM, Nathan Goulding wrote:

>> Am 22.12.2011 19:00, schrieb Nathan Goulding:
>>> Specifically: "One of the big problems of Windows XP under Xen is that Windows Setup chokes on Xen's ACPI, and thus you have to disable ACPI for Windows Setup to work."
>>> Anyone know if that's still a problem?
>> 
>> I've not found this to be a problem when running Windows Server 2008R2 (as it comes with SBS 2011 Standard, German); that setup runs properly, and I haven't seen reboot problems like you mentioned. Most probably, SBS 2011 already comes with some form of patched Windows, so I'd take this report with a grain of salt.
>> 
> 
> At this point the success rate of installs is ~5% and declining as I attempt more things for reliability. Interestingly enough, once Windows 2008 R2 is installed it seems to work fine with the settings I have in my vm config file. xm reboot, xm shutdown -wR, and rebooting from within the guest OS all work. Just the install that causes a problem.
> 
> FWIW, the storage backing is iSCSI with a block-iscsi script and some modifications to XendDomainInfo.py and qemu-dm to account for that.
> 
> Also, there seem to be myriad power control options and actions (xen_extended_power_mgmt, xen_platform_pci, pci_power_mgmt, viridian, acpi) but I can't seem to hit the sweet. Can someone with knowledge of Xen explain how it handles power control and its interaction with Windows?

As an update to anyone out there with a similar problem: It's necessary that the GPLPV drivers be pre-installed for Windows Setup to complete with sysprep'd images. Windows Setup will consistently fail on Xen's ACPI if they're not.

So it would appear that the old wiki's statement that "[o]ne of the big problems of Windows XP under Xen is that Windows Setup chokes on Xen's ACPI, and thus you have to disable ACPI for Windows Setup to work." is still accurate for Xen 4.1. Since with Server 2008 it's not possible to disable ACPI you have to install 2008 manually (i.e. from CD/iso), then install the GPLPV drivers, then sysprep, then you're good.

-Nathan
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I'm currently using XCP 1.1.0-48877c (1.1 beta) and I'd like to upgrade to
1.1 release. I've looked for a FAQ or any other documentation with the
steps necessary to complete this task, but only found conversational
references to the process. I'm sure I've overlooked it. Can someone post a
link to it?

I tried placing the master into maintenance mode, then shutting it down,
and booting with the 1.1 Release CD. I got a message saying no upgradable
OS found and my only other option being a  fresh install, which isn't what
I'm looking for.

Thanks

--f46d0444ef29071b1e04b5195f21
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I&#39;m currently using=A0XCP 1.1.0-48877c (1.1 beta) and I&#39;d like to u=
pgrade to 1.1 release. I&#39;ve looked for a FAQ or any other documentation=
 with the steps necessary to complete this task, but only found conversatio=
nal references to the process. I&#39;m sure I&#39;ve overlooked it. Can som=
eone post a link to it?=A0<div>
<br></div><div>I tried placing the master into maintenance mode, then shutt=
ing it down, and booting with the 1.1 Release CD. I got a message saying no=
 upgradable OS found and my only other option being a =A0fresh install, whi=
ch isn&#39;t what I&#39;m looking for.</div>
<div><br></div><div>Thanks</div><div><br></div><div><br></div>

--f46d0444ef29071b1e04b5195f21--


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--f46d0444ef29071b1e04b5195f21
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I'm currently using XCP 1.1.0-48877c (1.1 beta) and I'd like to upgrade to
1.1 release. I've looked for a FAQ or any other documentation with the
steps necessary to complete this task, but only found conversational
references to the process. I'm sure I've overlooked it. Can someone post a
link to it?

I tried placing the master into maintenance mode, then shutting it down,
and booting with the 1.1 Release CD. I got a message saying no upgradable
OS found and my only other option being a  fresh install, which isn't what
I'm looking for.

Thanks

--f46d0444ef29071b1e04b5195f21
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

I&#39;m currently using=A0XCP 1.1.0-48877c (1.1 beta) and I&#39;d like to u=
pgrade to 1.1 release. I&#39;ve looked for a FAQ or any other documentation=
 with the steps necessary to complete this task, but only found conversatio=
nal references to the process. I&#39;m sure I&#39;ve overlooked it. Can som=
eone post a link to it?=A0<div>
<br></div><div>I tried placing the master into maintenance mode, then shutt=
ing it down, and booting with the 1.1 Release CD. I got a message saying no=
 upgradable OS found and my only other option being a =A0fresh install, whi=
ch isn&#39;t what I&#39;m looking for.</div>
<div><br></div><div>Thanks</div><div><br></div><div><br></div>

--f46d0444ef29071b1e04b5195f21--


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_______________________________________________
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Xen-users@lists.xensource.com
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From: Anil Rao <anil.rao@ericsson.com>
To: "xen-users@lists.xensource.com" <xen-users@lists.xensource.com>
Date: Tue, 27 Dec 2011 18:21:00 -0500
Thread-Topic: Memory information in 'xl list' output
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I was wondering if someone could help me decipher the memory related output=
 of 'xl list'.

# xl list
Name                  ID  Mem VCPUs     State   Time(s)
Domain-0              0  1024          8           r-----    50198.0
Hvm_01               23  1019         2           -b----         38.5
Hvm_02               24  2043         2           -b----         38.1

Domain-0 has a configured memory size of 1024 MB. Hvm_01 and Hvm_02 have co=
nfigured memory sizes of 1024 MB and 2048 MB respectively. The host compute=
r has 6+ GB of physical memory.

I am surprised why the values under 'Mem' for Hvm_01 and Hvm_02 are 5 MB le=
ss than their configured memory sizes. Is this somehow related to the memor=
y overhead needed by Xen to run these VMs?

I am running Xen 4.0.1 along with PVOPS Dom-0 (2.6.32 kernel).

Thanks.
-Anil




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<div>I was wondering if someone could help me decipher the memory related o=
utput of 'xl list'.</div>
<div>&nbsp;</div>
<div># xl list</div>
<div>Name&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ID&nbsp; Mem VCPUs&nbsp;&nbsp;&nbsp;&n=
bsp; State&nbsp;&nbsp; Time(s)</div>
<div>Domain-0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp; 0&nbsp; 1024&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp; 8&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; r---=
--&nbsp;&nbsp;&nbsp; 50198.0</div>
<div>Hvm_01&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp; 23&nbsp; 1019&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp; 2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -b---=
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 38.5</div>
<div>Hvm_02&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp; 24&nbsp; 2043&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp; 2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -b---=
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 38.1</div>
<div>&nbsp;</div>
<div>Domain-0 has a configured memory size of 1024 MB. Hvm_01 and Hvm_02 ha=
ve configured memory sizes of 1024 MB and 2048 MB respectively. The host co=
mputer has 6&#43; GB of physical memory. </div>
<div>&nbsp;</div>
<div>I am surprised why the values under 'Mem' for Hvm_01 and Hvm_02 are 5 =
MB less than their configured memory sizes. Is this somehow related to the =
memory overhead needed by Xen to run these VMs?</div>
<div>&nbsp;</div>
<div>I am running Xen 4.0.1 along with PVOPS Dom-0 (2.6.32 kernel).</div>
<div>&nbsp;</div>
<div>Thanks.</div>
<div>-Anil</div>
<div>&nbsp;</div>
<div>&nbsp;</div>
<div>&nbsp;</div>
</font>
</body>
</html>

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I was wondering if someone could help me decipher the memory related output=
 of 'xl list'.

# xl list
Name                  ID  Mem VCPUs     State   Time(s)
Domain-0              0  1024          8           r-----    50198.0
Hvm_01               23  1019         2           -b----         38.5
Hvm_02               24  2043         2           -b----         38.1

Domain-0 has a configured memory size of 1024 MB. Hvm_01 and Hvm_02 have co=
nfigured memory sizes of 1024 MB and 2048 MB respectively. The host compute=
r has 6+ GB of physical memory.

I am surprised why the values under 'Mem' for Hvm_01 and Hvm_02 are 5 MB le=
ss than their configured memory sizes. Is this somehow related to the memor=
y overhead needed by Xen to run these VMs?

I am running Xen 4.0.1 along with PVOPS Dom-0 (2.6.32 kernel).

Thanks.
-Anil




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<div>I was wondering if someone could help me decipher the memory related o=
utput of 'xl list'.</div>
<div>&nbsp;</div>
<div># xl list</div>
<div>Name&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ID&nbsp; Mem VCPUs&nbsp;&nbsp;&nbsp;&n=
bsp; State&nbsp;&nbsp; Time(s)</div>
<div>Domain-0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp; 0&nbsp; 1024&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp; 8&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; r---=
--&nbsp;&nbsp;&nbsp; 50198.0</div>
<div>Hvm_01&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp; 23&nbsp; 1019&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp; 2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -b---=
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 38.5</div>
<div>Hvm_02&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp; 24&nbsp; 2043&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp; 2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -b---=
-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 38.1</div>
<div>&nbsp;</div>
<div>Domain-0 has a configured memory size of 1024 MB. Hvm_01 and Hvm_02 ha=
ve configured memory sizes of 1024 MB and 2048 MB respectively. The host co=
mputer has 6&#43; GB of physical memory. </div>
<div>&nbsp;</div>
<div>I am surprised why the values under 'Mem' for Hvm_01 and Hvm_02 are 5 =
MB less than their configured memory sizes. Is this somehow related to the =
memory overhead needed by Xen to run these VMs?</div>
<div>&nbsp;</div>
<div>I am running Xen 4.0.1 along with PVOPS Dom-0 (2.6.32 kernel).</div>
<div>&nbsp;</div>
<div>Thanks.</div>
<div>-Anil</div>
<div>&nbsp;</div>
<div>&nbsp;</div>
<div>&nbsp;</div>
</font>
</body>
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From xen-users-bounces@lists.xensource.com Wed Dec 28 11:16:03 2011
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Subject: Re: [Xen-users] Xen + pv_ops + migration + hotadd vcpus
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On Wed, Nov 23, 2011 at 10:11:45PM +0100, Tim Evers wrote:
> Hope I don't annoy you but I'm totally stuck.
> 

Hello,

I added xen-devel to CC list..

> Here is my question to all xen users:
> 
> Is there anyone who has a running pv_ops kernel (like 2.6.32.x or
> 2.6.35.x or 2.6.38.x or 3.x) which supports the following operations
> without a crash:
> 
> - boot with maxvcpus > vcpus
> - then migrate from one dom0 to another
> - raise the vcpus (via xm vcpu-set)
> - take the cpus online in the domu
> 
> either on xen 4.0.x or 4.1.x with pv_ops dom0 OR patch dom0 (like
> 2.6.26.x) with or without pv_spinlock enabled.
> 

Please be more exact about your kernel versions:
- What dom0 kernel version? 
- What domU kernel version? 
- And what Xen version? 

> While I've been doing this for more than a year now with a 2.6.26 kernel
> with xen patches without one single crash, I've not been able to do it
> in any way with newer pv_ops kernel.
> 
> Taking the cpus online crashes the domu whith "cpu stuck" messages and
> silly timestamps like 10,000s.
> 
> Anyone, please :)
> 
> Regards,
> 
> Tim
> 

-- Pasi


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On Wed, Nov 23, 2011 at 10:11:45PM +0100, Tim Evers wrote:
> Hope I don't annoy you but I'm totally stuck.
> 

Hello,

I added xen-devel to CC list..

> Here is my question to all xen users:
> 
> Is there anyone who has a running pv_ops kernel (like 2.6.32.x or
> 2.6.35.x or 2.6.38.x or 3.x) which supports the following operations
> without a crash:
> 
> - boot with maxvcpus > vcpus
> - then migrate from one dom0 to another
> - raise the vcpus (via xm vcpu-set)
> - take the cpus online in the domu
> 
> either on xen 4.0.x or 4.1.x with pv_ops dom0 OR patch dom0 (like
> 2.6.26.x) with or without pv_spinlock enabled.
> 

Please be more exact about your kernel versions:
- What dom0 kernel version? 
- What domU kernel version? 
- And what Xen version? 

> While I've been doing this for more than a year now with a 2.6.26 kernel
> with xen patches without one single crash, I've not been able to do it
> in any way with newer pv_ops kernel.
> 
> Taking the cpus online crashes the domu whith "cpu stuck" messages and
> silly timestamps like 10,000s.
> 
> Anyone, please :)
> 
> Regards,
> 
> Tim
> 

-- Pasi


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On Mon, Dec 19, 2011 at 12:57:43PM +0100, Florian Heigl wrote:
> Hi,
> 

Hello,

> 2011/12/17  <mark@internecto.net>:
> > While using xen 4.1-testing.hg (r23202) I noticed that the 'vifname'
> > config value is not handled by xl, but is handled by xm. Is there a
> > workaround or patch for this? My firewall and scripts depend on static
> > vifnames.
> 
> xl does not support vifname as of now.
> Except for one type of HVM domU, where it does support vifname.
> 
> You might want to communicate to xen-devel that you rely on it and all that.
> 

Added xen-devel to CC list ..

> I also think I need vifname support - it's unbearable to work without
> vifnames if you run a setup with potentially many 100 vifs + vlans +
> brides + bonds.
> (I guess thats how the whole UUID disaster in XenServer happened)
> 
> I said "think I need" because I DO rely on them, but maybe something
> happens that makes me suddenly understand that it's better to script
> against some API to get the information reliably without any problem
> by changing domIDs and always being up-to-date.
> Oh wait, that would be like setting vifname and just looking at the
> ifconfig output :)
> 
> 
> Florian
> 
> -- 
> the purpose of libvirt is to provide an abstraction layer hiding all
> xen features added since 2006 until they were finally understood and
> copied by the kvm devs.
> 

-- Pasi


_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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On Mon, Dec 19, 2011 at 12:57:43PM +0100, Florian Heigl wrote:
> Hi,
> 

Hello,

> 2011/12/17  <mark@internecto.net>:
> > While using xen 4.1-testing.hg (r23202) I noticed that the 'vifname'
> > config value is not handled by xl, but is handled by xm. Is there a
> > workaround or patch for this? My firewall and scripts depend on static
> > vifnames.
> 
> xl does not support vifname as of now.
> Except for one type of HVM domU, where it does support vifname.
> 
> You might want to communicate to xen-devel that you rely on it and all that.
> 

Added xen-devel to CC list ..

> I also think I need vifname support - it's unbearable to work without
> vifnames if you run a setup with potentially many 100 vifs + vlans +
> brides + bonds.
> (I guess thats how the whole UUID disaster in XenServer happened)
> 
> I said "think I need" because I DO rely on them, but maybe something
> happens that makes me suddenly understand that it's better to script
> against some API to get the information reliably without any problem
> by changing domIDs and always being up-to-date.
> Oh wait, that would be like setting vifname and just looking at the
> ifconfig output :)
> 
> 
> Florian
> 
> -- 
> the purpose of libvirt is to provide an abstraction layer hiding all
> xen features added since 2006 until they were finally understood and
> copied by the kvm devs.
> 

-- Pasi


_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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To: Peter Gansterer <peter.gansterer@paradigma.net>
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Subject: Re: [Xen-users] Ethernet/iSCSI related System Crash (Xen dom0).
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On Tue, Dec 20, 2011 at 04:20:56PM +0100, Peter Gansterer wrote:
> Short update on our issue:
> =

> - panic=3D100 does not seem to work with Xen.
> - 2.6.38 (Xen patches by gentoo) runs stable with iSCSI!
> =

> So it seems to be an issue that occurs since 3.x kernels or it is
> something already fixed in gentoo/suse patches that didn't make it
> upstream ...
> =

> Can you please tell me, what would be the best way to inform developers?

Capture a full crash/oops log using a serial console:
http://wiki.xen.org/xenwiki/XenSerialConsole

> - Where can I post the issue?

To xen-devel mailinglist.

> - What information will be required?
> =


Full serial console log as text, including Xen hypervisor (xen.gz) output =

and dom0 Linux kernel output, all the way from boot to the point where it c=
rashes.

-- Pasi


> thx,
> - peter.
> =

> On Mon, December 19, 2011 21:34, Florian Heigl wrote:
> > 2011/12/19 Peter Gansterer <peter.gansterer@paradigma.net>:
> >> Hi again,
> >>
> >> It seems to be somehow iSCSI-related after all.
> >> Today's tests showed:
> >> - We could not reproduce the crash using NFS only.
> >> =A0(Altho it DID crash when copying the system via NFS ... maybe we had
> >> =A0 accessed an iSCSI device before and the kernel was left in some
> >> =A0 erroneous state).
> >> - It still reliably crashes when accessing iSCSI.
> >
> > Please try setting panic=3D100 on the kernel command line. If you're
> > lucky, this will result in a 100 second delay prior to the dom0
> > restart.
> > But I didn't have success when I tested that. I'm assuming that Xen
> > auto-reacts on a dom0 crash. Anyway, please give it a try.
> >
> > As to your actual problem: Sorry. no idea.
> >
> =

> =

> -- =

> Peter Gansterer
> =

> PARADIGMA Unternehmensberatung GmbH
> Mariahilferstra=DFe 47/1/3
> A-1060 Wien
> Tel: 0043-(0)1-585 49 72
> http://www.paradigma.net
> =

> Firmenbuchnummer: FN 134564 p
> Rechtsform: GmbH
> Firmenbuchgericht: Handelsgericht Wien
> =

> =

> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users

_______________________________________________
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On Tue, Dec 20, 2011 at 04:20:56PM +0100, Peter Gansterer wrote:
> Short update on our issue:
> =

> - panic=3D100 does not seem to work with Xen.
> - 2.6.38 (Xen patches by gentoo) runs stable with iSCSI!
> =

> So it seems to be an issue that occurs since 3.x kernels or it is
> something already fixed in gentoo/suse patches that didn't make it
> upstream ...
> =

> Can you please tell me, what would be the best way to inform developers?

Capture a full crash/oops log using a serial console:
http://wiki.xen.org/xenwiki/XenSerialConsole

> - Where can I post the issue?

To xen-devel mailinglist.

> - What information will be required?
> =


Full serial console log as text, including Xen hypervisor (xen.gz) output =

and dom0 Linux kernel output, all the way from boot to the point where it c=
rashes.

-- Pasi


> thx,
> - peter.
> =

> On Mon, December 19, 2011 21:34, Florian Heigl wrote:
> > 2011/12/19 Peter Gansterer <peter.gansterer@paradigma.net>:
> >> Hi again,
> >>
> >> It seems to be somehow iSCSI-related after all.
> >> Today's tests showed:
> >> - We could not reproduce the crash using NFS only.
> >> =A0(Altho it DID crash when copying the system via NFS ... maybe we had
> >> =A0 accessed an iSCSI device before and the kernel was left in some
> >> =A0 erroneous state).
> >> - It still reliably crashes when accessing iSCSI.
> >
> > Please try setting panic=3D100 on the kernel command line. If you're
> > lucky, this will result in a 100 second delay prior to the dom0
> > restart.
> > But I didn't have success when I tested that. I'm assuming that Xen
> > auto-reacts on a dom0 crash. Anyway, please give it a try.
> >
> > As to your actual problem: Sorry. no idea.
> >
> =

> =

> -- =

> Peter Gansterer
> =

> PARADIGMA Unternehmensberatung GmbH
> Mariahilferstra=DFe 47/1/3
> A-1060 Wien
> Tel: 0043-(0)1-585 49 72
> http://www.paradigma.net
> =

> Firmenbuchnummer: FN 134564 p
> Rechtsform: GmbH
> Firmenbuchgericht: Handelsgericht Wien
> =

> =

> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users

_______________________________________________
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To: Bo Xu <xubo.njust@gmail.com>
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On Tue, Dec 27, 2011 at 10:11:42PM +0800, Bo Xu wrote:
> Hello, everyone.
> I am new to Xen, I don't know if Xen Driver Domain, network for
> example, support the HVM DomU, like a windows DomU?

"Xen Driver Domain" requires the Xen backend drivers available in the VM,
so in the case of Network Driver Domain you need the Xen Netback backend driver.
Afaik there's no xen-netback for Windows.

So currently Xen Driver Domains can be only Linux/BSD/Solaris.

> Can the windows DomU connect to Internet through the network driver
> domain without problem.

Any domU can use the Driver Domain. Usually Driver Domain is dom0,
but for various security/isolation/performance reasons you might want to 
use other Xen Driver Domains aswell.

> The system is Debian squeeze 6.0 x86-64 with xen-hypervisor-4.0-amd64,
> xen-qemu-dm-4.0, xen-linux-system-2.6-xen-amd64.
> 
> Best Regards!
> 
> Ben
> 

-- Pasi


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On Tue, Dec 27, 2011 at 10:11:42PM +0800, Bo Xu wrote:
> Hello, everyone.
> I am new to Xen, I don't know if Xen Driver Domain, network for
> example, support the HVM DomU, like a windows DomU?

"Xen Driver Domain" requires the Xen backend drivers available in the VM,
so in the case of Network Driver Domain you need the Xen Netback backend driver.
Afaik there's no xen-netback for Windows.

So currently Xen Driver Domains can be only Linux/BSD/Solaris.

> Can the windows DomU connect to Internet through the network driver
> domain without problem.

Any domU can use the Driver Domain. Usually Driver Domain is dom0,
but for various security/isolation/performance reasons you might want to 
use other Xen Driver Domains aswell.

> The system is Debian squeeze 6.0 x86-64 with xen-hypervisor-4.0-amd64,
> xen-qemu-dm-4.0, xen-linux-system-2.6-xen-amd64.
> 
> Best Regards!
> 
> Ben
> 

-- Pasi


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On Tue, Dec 27, 2011 at 08:06:23PM +0100, Niels Dettenbach (Syndicat IT&Internet) wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA256
> 
> 
> 
> 
> 
> Bo Xu <xubo.njust@gmail.com> schrieb:
> 
> 
> >Can the windows DomU connect to Internet through the network driver
> >domain without problem.
> 
> Not shure if i understand you right here, but by the virtual network interfaces (if configured on your DomU) you can connect "to the outside" of your DomU - like the hypervisor Dom0 or any other connected network (by bridging or routing on Dom0).
> 
> Another option in special cases could be using PCI or USB passtrough to your DomU - makes you able to connect even real hardware connected on the host machine.
> 

I think you misunderstood the question. I think he was asking
about "Xen Driver Domains" concept, where the Xen backend driver (xen-netback) 
is running in a domU instead of dom0, providing disaggregated system with more security/isolation.

-- Pasi


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On Tue, Dec 27, 2011 at 08:06:23PM +0100, Niels Dettenbach (Syndicat IT&Internet) wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA256
> 
> 
> 
> 
> 
> Bo Xu <xubo.njust@gmail.com> schrieb:
> 
> 
> >Can the windows DomU connect to Internet through the network driver
> >domain without problem.
> 
> Not shure if i understand you right here, but by the virtual network interfaces (if configured on your DomU) you can connect "to the outside" of your DomU - like the hypervisor Dom0 or any other connected network (by bridging or routing on Dom0).
> 
> Another option in special cases could be using PCI or USB passtrough to your DomU - makes you able to connect even real hardware connected on the host machine.
> 

I think you misunderstood the question. I think he was asking
about "Xen Driver Domains" concept, where the Xen backend driver (xen-netback) 
is running in a domU instead of dom0, providing disaggregated system with more security/isolation.

-- Pasi


_______________________________________________
Xen-users mailing list
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Subject: Re: [Xen-users] [Xen-devel]  xl and vifname
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+1 to using vifname pretty heavily, sure you can get the job done without
but why suffer needlessly? :)

On Wed, Dec 28, 2011 at 6:19 AM, Pasi K=E4rkk=E4inen <pasik@iki.fi> wrote:

> On Mon, Dec 19, 2011 at 12:57:43PM +0100, Florian Heigl wrote:
> > Hi,
> >
>
> Hello,
>
> > 2011/12/17  <mark@internecto.net>:
> > > While using xen 4.1-testing.hg (r23202) I noticed that the 'vifname'
> > > config value is not handled by xl, but is handled by xm. Is there a
> > > workaround or patch for this? My firewall and scripts depend on stati=
c
> > > vifnames.
> >
> > xl does not support vifname as of now.
> > Except for one type of HVM domU, where it does support vifname.
> >
> > You might want to communicate to xen-devel that you rely on it and all
> that.
> >
>
> Added xen-devel to CC list ..
>
> > I also think I need vifname support - it's unbearable to work without
> > vifnames if you run a setup with potentially many 100 vifs + vlans +
> > brides + bonds.
> > (I guess thats how the whole UUID disaster in XenServer happened)
> >
> > I said "think I need" because I DO rely on them, but maybe something
> > happens that makes me suddenly understand that it's better to script
> > against some API to get the information reliably without any problem
> > by changing domIDs and always being up-to-date.
> > Oh wait, that would be like setting vifname and just looking at the
> > ifconfig output :)
> >
> >
> > Florian
> >
> > --
> > the purpose of libvirt is to provide an abstraction layer hiding all
> > xen features added since 2006 until they were finally understood and
> > copied by the kvm devs.
> >
>
> -- Pasi
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel
>

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+1 to using vifname pretty heavily, sure you can get the job done without b=
ut why suffer needlessly? :)<br><br><div class=3D"gmail_quote">On Wed, Dec =
28, 2011 at 6:19 AM, Pasi K=E4rkk=E4inen <span dir=3D"ltr">&lt;<a href=3D"m=
ailto:pasik@iki.fi">pasik@iki.fi</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">On Mon, Dec 19, 2011 at 12:57:43PM +0100, Fl=
orian Heigl wrote:<br>
&gt; Hi,<br>
&gt;<br>
<br>
Hello,<br>
<div class=3D"im"><br>
&gt; 2011/12/17 =A0&lt;<a href=3D"mailto:mark@internecto.net">mark@internec=
to.net</a>&gt;:<br>
&gt; &gt; While using xen 4.1-testing.hg (r23202) I noticed that the &#39;v=
ifname&#39;<br>
&gt; &gt; config value is not handled by xl, but is handled by xm. Is there=
 a<br>
&gt; &gt; workaround or patch for this? My firewall and scripts depend on s=
tatic<br>
&gt; &gt; vifnames.<br>
&gt;<br>
&gt; xl does not support vifname as of now.<br>
&gt; Except for one type of HVM domU, where it does support vifname.<br>
&gt;<br>
&gt; You might want to communicate to xen-devel that you rely on it and all=
 that.<br>
&gt;<br>
<br>
</div>Added xen-devel to CC list ..<br>
<div class=3D"im"><br>
&gt; I also think I need vifname support - it&#39;s unbearable to work with=
out<br>
&gt; vifnames if you run a setup with potentially many 100 vifs + vlans +<b=
r>
&gt; brides + bonds.<br>
&gt; (I guess thats how the whole UUID disaster in XenServer happened)<br>
&gt;<br>
&gt; I said &quot;think I need&quot; because I DO rely on them, but maybe s=
omething<br>
&gt; happens that makes me suddenly understand that it&#39;s better to scri=
pt<br>
&gt; against some API to get the information reliably without any problem<b=
r>
&gt; by changing domIDs and always being up-to-date.<br>
&gt; Oh wait, that would be like setting vifname and just looking at the<br=
>
&gt; ifconfig output :)<br>
&gt;<br>
&gt;<br>
&gt; Florian<br>
&gt;<br>
&gt; --<br>
&gt; the purpose of libvirt is to provide an abstraction layer hiding all<b=
r>
&gt; xen features added since 2006 until they were finally understood and<b=
r>
&gt; copied by the kvm devs.<br>
&gt;<br>
<br>
</div>-- Pasi<br>
<br>
<br>
_______________________________________________<br>
Xen-devel mailing list<br>
<a href=3D"mailto:Xen-devel@lists.xensource.com">Xen-devel@lists.xensource.=
com</a><br>
<a href=3D"http://lists.xensource.com/xen-devel" target=3D"_blank">http://l=
ists.xensource.com/xen-devel</a><br>
</blockquote></div><br>

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From: chris <tknchris@gmail.com>
To: =?ISO-8859-1?Q?Pasi_K=E4rkk=E4inen?= <pasik@iki.fi>
Cc: Florian Heigl <florian.heigl@gmail.com>, xen-devel@lists.xensource.com,
	xen-users@lists.xensource.com, mark@internecto.net
Subject: Re: [Xen-users] [Xen-devel]  xl and vifname
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+1 to using vifname pretty heavily, sure you can get the job done without
but why suffer needlessly? :)

On Wed, Dec 28, 2011 at 6:19 AM, Pasi K=E4rkk=E4inen <pasik@iki.fi> wrote:

> On Mon, Dec 19, 2011 at 12:57:43PM +0100, Florian Heigl wrote:
> > Hi,
> >
>
> Hello,
>
> > 2011/12/17  <mark@internecto.net>:
> > > While using xen 4.1-testing.hg (r23202) I noticed that the 'vifname'
> > > config value is not handled by xl, but is handled by xm. Is there a
> > > workaround or patch for this? My firewall and scripts depend on stati=
c
> > > vifnames.
> >
> > xl does not support vifname as of now.
> > Except for one type of HVM domU, where it does support vifname.
> >
> > You might want to communicate to xen-devel that you rely on it and all
> that.
> >
>
> Added xen-devel to CC list ..
>
> > I also think I need vifname support - it's unbearable to work without
> > vifnames if you run a setup with potentially many 100 vifs + vlans +
> > brides + bonds.
> > (I guess thats how the whole UUID disaster in XenServer happened)
> >
> > I said "think I need" because I DO rely on them, but maybe something
> > happens that makes me suddenly understand that it's better to script
> > against some API to get the information reliably without any problem
> > by changing domIDs and always being up-to-date.
> > Oh wait, that would be like setting vifname and just looking at the
> > ifconfig output :)
> >
> >
> > Florian
> >
> > --
> > the purpose of libvirt is to provide an abstraction layer hiding all
> > xen features added since 2006 until they were finally understood and
> > copied by the kvm devs.
> >
>
> -- Pasi
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel
>

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+1 to using vifname pretty heavily, sure you can get the job done without b=
ut why suffer needlessly? :)<br><br><div class=3D"gmail_quote">On Wed, Dec =
28, 2011 at 6:19 AM, Pasi K=E4rkk=E4inen <span dir=3D"ltr">&lt;<a href=3D"m=
ailto:pasik@iki.fi">pasik@iki.fi</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">On Mon, Dec 19, 2011 at 12:57:43PM +0100, Fl=
orian Heigl wrote:<br>
&gt; Hi,<br>
&gt;<br>
<br>
Hello,<br>
<div class=3D"im"><br>
&gt; 2011/12/17 =A0&lt;<a href=3D"mailto:mark@internecto.net">mark@internec=
to.net</a>&gt;:<br>
&gt; &gt; While using xen 4.1-testing.hg (r23202) I noticed that the &#39;v=
ifname&#39;<br>
&gt; &gt; config value is not handled by xl, but is handled by xm. Is there=
 a<br>
&gt; &gt; workaround or patch for this? My firewall and scripts depend on s=
tatic<br>
&gt; &gt; vifnames.<br>
&gt;<br>
&gt; xl does not support vifname as of now.<br>
&gt; Except for one type of HVM domU, where it does support vifname.<br>
&gt;<br>
&gt; You might want to communicate to xen-devel that you rely on it and all=
 that.<br>
&gt;<br>
<br>
</div>Added xen-devel to CC list ..<br>
<div class=3D"im"><br>
&gt; I also think I need vifname support - it&#39;s unbearable to work with=
out<br>
&gt; vifnames if you run a setup with potentially many 100 vifs + vlans +<b=
r>
&gt; brides + bonds.<br>
&gt; (I guess thats how the whole UUID disaster in XenServer happened)<br>
&gt;<br>
&gt; I said &quot;think I need&quot; because I DO rely on them, but maybe s=
omething<br>
&gt; happens that makes me suddenly understand that it&#39;s better to scri=
pt<br>
&gt; against some API to get the information reliably without any problem<b=
r>
&gt; by changing domIDs and always being up-to-date.<br>
&gt; Oh wait, that would be like setting vifname and just looking at the<br=
>
&gt; ifconfig output :)<br>
&gt;<br>
&gt;<br>
&gt; Florian<br>
&gt;<br>
&gt; --<br>
&gt; the purpose of libvirt is to provide an abstraction layer hiding all<b=
r>
&gt; xen features added since 2006 until they were finally understood and<b=
r>
&gt; copied by the kvm devs.<br>
&gt;<br>
<br>
</div>-- Pasi<br>
<br>
<br>
_______________________________________________<br>
Xen-devel mailing list<br>
<a href=3D"mailto:Xen-devel@lists.xensource.com">Xen-devel@lists.xensource.=
com</a><br>
<a href=3D"http://lists.xensource.com/xen-devel" target=3D"_blank">http://l=
ists.xensource.com/xen-devel</a><br>
</blockquote></div><br>

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Is there a way with the current xen-4.2-unstable to provide a virtual
framebuffer backed by Spice instead of vnc?  Does it depend on Qemu
Upstream?  Thanks
Mike



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Is there a way with the current xen-4.2-unstable to provide a virtual
framebuffer backed by Spice instead of vnc?  Does it depend on Qemu
Upstream?  Thanks
Mike



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Organization: Firma RING
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Subject: [Xen-users] xm vcpu-set problem & question
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Hello,
I have run new node with AMD 1090T.

When trying to set:
xm vcpu-set 0 1
server hangs up and reboot.

I have read info about cpu hotplug bug. But I am using same kernel on
few other nodes (intel & amd cpus) without any problems.

So I set in grub:
dom0_max_vcpus=1 dom0_vcpus_pin

But problem is that xen shows only one vcpu:

[root@node26 ~]# xm vcpu-list
Name                                ID  VCPU   CPU State   Time(s) CPU
Affinity
Domain-0                             0     0     0   r--      48.7 0

It`s strange for me because on other nodes I have something like:

[root@node22 ~]# xm vcpu-list
Name                                ID  VCPU   CPU State   Time(s) CPU
Affinity
Domain-0                             0     0     0   r--   82528.6 0
Domain-0                             0     1     -   --p       3.0 any cpu
Domain-0                             0     2     -   --p       2.9 any cpu
Domain-0                             0     3     -   --p       2.7 any cpu

So - is it ok that xen shows only one vcpu?
xm info says:
nr_cpus                : 6
nr_nodes               : 1
cores_per_socket       : 6

so theoreticly its ok - but I am not sure, thats why I am asking you.

Thanks in advance.

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Date: Wed, 28 Dec 2011 19:39:31 +0100
From: Artur Grabowski | Firma RING / VMLine <artur@e-ring.pl>
Organization: Firma RING
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Hello,
I have run new node with AMD 1090T.

When trying to set:
xm vcpu-set 0 1
server hangs up and reboot.

I have read info about cpu hotplug bug. But I am using same kernel on
few other nodes (intel & amd cpus) without any problems.

So I set in grub:
dom0_max_vcpus=1 dom0_vcpus_pin

But problem is that xen shows only one vcpu:

[root@node26 ~]# xm vcpu-list
Name                                ID  VCPU   CPU State   Time(s) CPU
Affinity
Domain-0                             0     0     0   r--      48.7 0

It`s strange for me because on other nodes I have something like:

[root@node22 ~]# xm vcpu-list
Name                                ID  VCPU   CPU State   Time(s) CPU
Affinity
Domain-0                             0     0     0   r--   82528.6 0
Domain-0                             0     1     -   --p       3.0 any cpu
Domain-0                             0     2     -   --p       2.9 any cpu
Domain-0                             0     3     -   --p       2.7 any cpu

So - is it ok that xen shows only one vcpu?
xm info says:
nr_cpus                : 6
nr_nodes               : 1
cores_per_socket       : 6

so theoreticly its ok - but I am not sure, thats why I am asking you.

Thanks in advance.

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

From xen-users-bounces@lists.xensource.com Wed Dec 28 18:44:44 2011
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From: Iain Barker <IBarker@acmepacket.com>
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Thread-Topic: How to use kexec on xen 4.0.3 ?
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Hi all.

I saw from the 4.0.3 release announcement that kexec/kdump are now supported.
http://markmail.org/message/e7yykpil3jldlllu

What is the correct/required xm configuration to use kexec for reloading a kernel?
I tested with the following, but attempting a kexec just destroys the vm:

Xen: 4.0.3 (built from the tarball)
Dom0: Linux 2.6.32.50 (x86_64 with pvops)
DomU: Linux 2.6.32.18 (i686 boot via pvgrub)
kexec-tools 2.0.2 in the DomU (configured --with-xen)

What am I missing...?

Is there some xm config option needed (similar to on_crash etc)?
Is hvm required for kexec to work in domU on xen 4.0.3, or is pv OK?
Was the release announcement for kexec on dom0 only, not domU? (it didn't say so)

Here's what I seen in the dom0 logs when I attempt "kexec -l /boot/bzImage ; kexec -e" in the domU:

[2011-12-28 12:41:03 4398] INFO (XendDomainInfo:2088) Domain has shutdown: name=iain id=4 reason=poweroff.
[2011-12-28 12:41:03 4398] DEBUG (XendDomainInfo:3053) XendDomainInfo.destroy: domid=4

Sample config below.

name = "iain"
memory = "2048"
kernel = "/usr/lib/xen/boot/pv-grub-x86_32.gz"
extra = "(hd0,0)/grub/menu.lst"
disk = [ 'file://var/lib/xen/images/iain/acme-xen-i686.img,sda,w' ]
vif = [ "mac=00:16:3e:30:00:13,bridge=eth0" ]
vcpus=2

thanks,
Iain

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Hi all.

I saw from the 4.0.3 release announcement that kexec/kdump are now supported.
http://markmail.org/message/e7yykpil3jldlllu

What is the correct/required xm configuration to use kexec for reloading a kernel?
I tested with the following, but attempting a kexec just destroys the vm:

Xen: 4.0.3 (built from the tarball)
Dom0: Linux 2.6.32.50 (x86_64 with pvops)
DomU: Linux 2.6.32.18 (i686 boot via pvgrub)
kexec-tools 2.0.2 in the DomU (configured --with-xen)

What am I missing...?

Is there some xm config option needed (similar to on_crash etc)?
Is hvm required for kexec to work in domU on xen 4.0.3, or is pv OK?
Was the release announcement for kexec on dom0 only, not domU? (it didn't say so)

Here's what I seen in the dom0 logs when I attempt "kexec -l /boot/bzImage ; kexec -e" in the domU:

[2011-12-28 12:41:03 4398] INFO (XendDomainInfo:2088) Domain has shutdown: name=iain id=4 reason=poweroff.
[2011-12-28 12:41:03 4398] DEBUG (XendDomainInfo:3053) XendDomainInfo.destroy: domid=4

Sample config below.

name = "iain"
memory = "2048"
kernel = "/usr/lib/xen/boot/pv-grub-x86_32.gz"
extra = "(hd0,0)/grub/menu.lst"
disk = [ 'file://var/lib/xen/images/iain/acme-xen-i686.img,sda,w' ]
vif = [ "mac=00:16:3e:30:00:13,bridge=eth0" ]
vcpus=2

thanks,
Iain

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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From: Andrew Wells <agwells0714@gmail.com>
Date: Wed, 28 Dec 2011 16:09:40 -0500
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To: xen-users@lists.xensource.com
Subject: Re: [Xen-users] Disk IO tuning
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So I was looking over the boot of a pv system, and I saw this:

ide: Assuming 50MHz system bus speed for PIO modes; override with idebus=xx


is it smart to change this value to gain speed to IO?


Andrew

PS: sorry for double Niels, I swear I pushed reply all.

On Mon, Dec 19, 2011 at 9:15 AM, Andrew Wells <agwells0714@gmail.com> wrote:

> I am using xenserver6, so I am not sure what you mean by configuration or
> what you would want?
>
> Can you be more specific?
>
>
> On Fri, Dec 16, 2011 at 1:38 AM, Niels Dettenbach (Syndicat IT&Internet) <
> nd@syndicat.com> wrote:
>
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA256
>>
>>
>>
>>
>>
>>
>> Andrew Wells <agwells0714@gmail.com> schrieb:
>>
>> >So using PV, is there anything I can do to tune io to increase
>> >performance
>>
>> Can you pls post your configuration file? This may help us further...
>>
>>
>> many thanks,
>>
>>
>> Niels.
>> - --
>> Niels Dettenbach
>> Syndicat IT&Internet
>> http://www.syndicat.com
>> -----BEGIN PGP SIGNATURE-----
>> Version: APG v1.0.8
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<span style>So I was looking over the boot of a pv system, and I saw this:<=
/span><div style><br></div><blockquote style><div>ide: Assuming 50MHz syste=
m bus speed=A0for PIO modes; override with idebus=3Dxx</div></blockquote><d=
iv style>

<br></div><span style>is it smart to change this value to gain speed to=A0<=
/span><span class=3D"il" style>IO</span><span style>?</span>=A0<div><br></d=
iv><div><br></div><div>Andrew<br><br>PS: sorry for double Niels, I swear I =
pushed reply all.<br>

<br><div class=3D"gmail_quote">On Mon, Dec 19, 2011 at 9:15 AM, Andrew Well=
s <span dir=3D"ltr">&lt;<a href=3D"mailto:agwells0714@gmail.com">agwells071=
4@gmail.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" styl=
e=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

I am using xenserver6, so I am not sure what you mean by configuration or w=
hat you would want?<div><br></div><div>Can you be more specific?<div><div c=
lass=3D"h5"><br><br><div class=3D"gmail_quote">On Fri, Dec 16, 2011 at 1:38=
 AM, Niels Dettenbach (Syndicat IT&amp;Internet) <span dir=3D"ltr">&lt;<a h=
ref=3D"mailto:nd@syndicat.com" target=3D"_blank">nd@syndicat.com</a>&gt;</s=
pan> wrote:<br>



<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div>-----BEGIN PGP SIGNED MESSAGE-----<br>
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<br>
<br>
<br>
<br>
<br>
<br>
Andrew Wells &lt;<a href=3D"mailto:agwells0714@gmail.com" target=3D"_blank"=
>agwells0714@gmail.com</a>&gt; schrieb:<br>
<br>
</div><div>&gt;So using PV, is there anything I can do to tune io to increa=
se<br>
&gt;performance<br>
<br>
</div>Can you pls post your configuration file? This may help us further...=
<br>
<br>
<br>
many thanks,<br>
<div><br>
<br>
Niels.<br>
- --<br>
Niels Dettenbach<br>
Syndicat IT&amp;Internet<br>
<a href=3D"http://www.syndicat.com" target=3D"_blank">http://www.syndicat.c=
om</a><br>
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From: Andrew Wells <agwells0714@gmail.com>
Date: Wed, 28 Dec 2011 16:09:40 -0500
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Subject: Re: [Xen-users] Disk IO tuning
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So I was looking over the boot of a pv system, and I saw this:

ide: Assuming 50MHz system bus speed for PIO modes; override with idebus=xx


is it smart to change this value to gain speed to IO?


Andrew

PS: sorry for double Niels, I swear I pushed reply all.

On Mon, Dec 19, 2011 at 9:15 AM, Andrew Wells <agwells0714@gmail.com> wrote:

> I am using xenserver6, so I am not sure what you mean by configuration or
> what you would want?
>
> Can you be more specific?
>
>
> On Fri, Dec 16, 2011 at 1:38 AM, Niels Dettenbach (Syndicat IT&Internet) <
> nd@syndicat.com> wrote:
>
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA256
>>
>>
>>
>>
>>
>>
>> Andrew Wells <agwells0714@gmail.com> schrieb:
>>
>> >So using PV, is there anything I can do to tune io to increase
>> >performance
>>
>> Can you pls post your configuration file? This may help us further...
>>
>>
>> many thanks,
>>
>>
>> Niels.
>> - --
>> Niels Dettenbach
>> Syndicat IT&Internet
>> http://www.syndicat.com
>> -----BEGIN PGP SIGNATURE-----
>> Version: APG v1.0.8
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<span style>So I was looking over the boot of a pv system, and I saw this:<=
/span><div style><br></div><blockquote style><div>ide: Assuming 50MHz syste=
m bus speed=A0for PIO modes; override with idebus=3Dxx</div></blockquote><d=
iv style>

<br></div><span style>is it smart to change this value to gain speed to=A0<=
/span><span class=3D"il" style>IO</span><span style>?</span>=A0<div><br></d=
iv><div><br></div><div>Andrew<br><br>PS: sorry for double Niels, I swear I =
pushed reply all.<br>

<br><div class=3D"gmail_quote">On Mon, Dec 19, 2011 at 9:15 AM, Andrew Well=
s <span dir=3D"ltr">&lt;<a href=3D"mailto:agwells0714@gmail.com">agwells071=
4@gmail.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" styl=
e=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

I am using xenserver6, so I am not sure what you mean by configuration or w=
hat you would want?<div><br></div><div>Can you be more specific?<div><div c=
lass=3D"h5"><br><br><div class=3D"gmail_quote">On Fri, Dec 16, 2011 at 1:38=
 AM, Niels Dettenbach (Syndicat IT&amp;Internet) <span dir=3D"ltr">&lt;<a h=
ref=3D"mailto:nd@syndicat.com" target=3D"_blank">nd@syndicat.com</a>&gt;</s=
pan> wrote:<br>



<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div>-----BEGIN PGP SIGNED MESSAGE-----<br>
Hash: SHA256<br>
<br>
<br>
<br>
<br>
<br>
<br>
Andrew Wells &lt;<a href=3D"mailto:agwells0714@gmail.com" target=3D"_blank"=
>agwells0714@gmail.com</a>&gt; schrieb:<br>
<br>
</div><div>&gt;So using PV, is there anything I can do to tune io to increa=
se<br>
&gt;performance<br>
<br>
</div>Can you pls post your configuration file? This may help us further...=
<br>
<br>
<br>
many thanks,<br>
<div><br>
<br>
Niels.<br>
- --<br>
Niels Dettenbach<br>
Syndicat IT&amp;Internet<br>
<a href=3D"http://www.syndicat.com" target=3D"_blank">http://www.syndicat.c=
om</a><br>
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</blockquote></div><br>
</div></div></div>
</blockquote></div><br></div>

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From: Florian Heigl <florian.heigl@gmail.com>
To: Andrew Wells <agwells0714@gmail.com>
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] Disk IO tuning
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2011/12/28 Andrew Wells <agwells0714@gmail.com>:
> So I was looking over the boot of a pv system, and I saw this:
>
> ide: Assuming 50MHz system bus speed=A0for PIO modes; override with idebu=
s=3Dxx
>
>
> is it smart to change this value to gain speed to=A0IO?

That should only affect the old "IDE" device driver.
The disks in a PV domU should be handled by the PV driver "xenblk",
the IDE driver will just be idle and doing nothing (unless you use PCI
delegation and add a real IDE Controller + Disk to the VM :)

Flo

-- =

the purpose of libvirt is to provide an abstraction layer hiding all
xen features added since 2006 until they were finally understood and
copied by the kvm devs.

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From: Florian Heigl <florian.heigl@gmail.com>
To: Andrew Wells <agwells0714@gmail.com>
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] Disk IO tuning
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2011/12/28 Andrew Wells <agwells0714@gmail.com>:
> So I was looking over the boot of a pv system, and I saw this:
>
> ide: Assuming 50MHz system bus speed=A0for PIO modes; override with idebu=
s=3Dxx
>
>
> is it smart to change this value to gain speed to=A0IO?

That should only affect the old "IDE" device driver.
The disks in a PV domU should be handled by the PV driver "xenblk",
the IDE driver will just be idle and doing nothing (unless you use PCI
delegation and add a real IDE Controller + Disk to the VM :)

Flo

-- =

the purpose of libvirt is to provide an abstraction layer hiding all
xen features added since 2006 until they were finally understood and
copied by the kvm devs.

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From: Todd Deshane <todd.deshane@xen.org>
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On Wed, Dec 28, 2011 at 12:58 PM, Michael A. Collins
<mike.a.collins@ark-net.org> wrote:
> Is there a way with the current xen-4.2-unstable to provide a virtual
> framebuffer backed by Spice instead of vnc? =A0Does it depend on Qemu
> Upstream? =A0Thanks

Looks like it should be possible:
http://xen.markmail.org/search/?q=3Dspice#query:spice%20type%3Acheckins+pag=
e:1+mid:gx7eglq7wdvfmtxc+state:results

See also:
http://code.google.com/p/spice4xen/

Hope that helps.

Thanks,
Todd

-- =

Todd Deshane
http://www.linkedin.com/in/deshantm
http://blog.xen.org

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On Wed, Dec 28, 2011 at 12:58 PM, Michael A. Collins
<mike.a.collins@ark-net.org> wrote:
> Is there a way with the current xen-4.2-unstable to provide a virtual
> framebuffer backed by Spice instead of vnc? =A0Does it depend on Qemu
> Upstream? =A0Thanks

Looks like it should be possible:
http://xen.markmail.org/search/?q=3Dspice#query:spice%20type%3Acheckins+pag=
e:1+mid:gx7eglq7wdvfmtxc+state:results

See also:
http://code.google.com/p/spice4xen/

Hope that helps.

Thanks,
Todd

-- =

Todd Deshane
http://www.linkedin.com/in/deshantm
http://blog.xen.org

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Subject: Re: [Xen-users] XCP Documentation for upgrading ??
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On Tue, Dec 27, 2011 at 4:14 PM, Mike Galvez <late2werk@gmail.com> wrote:
> I'm currently using=A0XCP 1.1.0-48877c (1.1 beta) and I'd like to upgrade=
 to
> 1.1 release. I've looked for a FAQ or any other documentation with the st=
eps
> necessary to complete this task, but only found conversational references=
 to
> the process. I'm sure I've overlooked it. Can someone post a link to it?
>
> I tried placing the master into maintenance mode, then shutting it down, =
and
> booting with the 1.1 Release CD. I got a message saying no upgradable OS
> found and my only other option being a =A0fresh install, which isn't what=
 I'm
> looking for.
>

An upgrade from the 1.1 beta to 1.1 RC is not supported:
http://xen.markmail.org/search/?q=3Dxcp+1.1+upgrade#query:xcp%201.1%20upgra=
de%20from%3A%22Mike%20McClurg%22+page:1+mid:j4nt4l3sl5kamsla+state:results

You can upgrade from 1.0 to 1.1.

Hope that helps.

Thanks,
Todd

-- =

Todd Deshane
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http://blog.xen.org
http://wiki.xen.org

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Subject: Re: [Xen-users] XCP Documentation for upgrading ??
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On Tue, Dec 27, 2011 at 4:14 PM, Mike Galvez <late2werk@gmail.com> wrote:
> I'm currently using=A0XCP 1.1.0-48877c (1.1 beta) and I'd like to upgrade=
 to
> 1.1 release. I've looked for a FAQ or any other documentation with the st=
eps
> necessary to complete this task, but only found conversational references=
 to
> the process. I'm sure I've overlooked it. Can someone post a link to it?
>
> I tried placing the master into maintenance mode, then shutting it down, =
and
> booting with the 1.1 Release CD. I got a message saying no upgradable OS
> found and my only other option being a =A0fresh install, which isn't what=
 I'm
> looking for.
>

An upgrade from the 1.1 beta to 1.1 RC is not supported:
http://xen.markmail.org/search/?q=3Dxcp+1.1+upgrade#query:xcp%201.1%20upgra=
de%20from%3A%22Mike%20McClurg%22+page:1+mid:j4nt4l3sl5kamsla+state:results

You can upgrade from 1.0 to 1.1.

Hope that helps.

Thanks,
Todd

-- =

Todd Deshane
http://www.linkedin.com/in/deshantm
http://blog.xen.org
http://wiki.xen.org

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From: Iain Barker <IBarker@acmepacket.com>
To: Iain Barker <IBarker@acmepacket.com>
Thread-Topic: [Xen-users] How to use kexec on xen 4.0.3 ?
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I got the answer thanks to Daniel Kiper : 

Currently kexec/kdump is Dom0 only; support for DomU is in development.



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Thread-Topic: [Xen-users] How to use kexec on xen 4.0.3 ?
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I got the answer thanks to Daniel Kiper : 

Currently kexec/kdump is Dom0 only; support for DomU is in development.



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Subject: [Xen-users] BalloonWorkerThread issue
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--0016364c78d1eb08b604b53ede35
Content-Type: multipart/alternative; boundary=0016364c78d1eb08b104b53ede33

--0016364c78d1eb08b104b53ede33
Content-Type: text/plain; charset=ISO-8859-1

Hello List,

Merry Christmas to all !!

Basically I'm trying to boot a Windows 2008R2 DC HVM with 90GB static max
memory and 32GB static min.

The node config is Dell M610 with X5660 and 96GB RAM and its running XCP 1.1

Many times the node crashes while booting HVM. Sometimes I get success.
I have attached the HVM boot log of successful start. Many times the node
hangs as soon as the BalloonWorkerThread is activated.

In attached txt the ballon inflation rate is constant 4090
*XENUTIL: BalloonWorkerThread: inflated balloon by 4090 page(s) in 7924ms
(2064k/s)  *

till the time it starts, the inflation rate shoots to 12554884 and the VM
is live.
*XENUTIL: BalloonWorkerThread: inflated balloon by 12554884 page(s) in
32604ms (91243k/s) *
*XENUTIL: BalloonWorkerThread: de-activating *
*XENUTIL: XenevtchnMapResources setting callback irq to 11 *


Can some one help me understand the *BalloonWorkerThread *behavior ?*


*Many thanks,
Rushi

--0016364c78d1eb08b104b53ede33
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

Hello List,<br><br>Merry Christmas to all !!<br><br>Basically I&#39;m tryin=
g to boot a Windows 2008R2 DC HVM with 90GB static max memory and 32GB stat=
ic min.<br><br>The node config is Dell M610 with X5660 and 96GB RAM and its=
 running XCP 1.1<br>
<br>Many times the node crashes while booting HVM. Sometimes I get success.=
<br>I have attached the HVM boot log of successful start. Many times the no=
de hangs as soon as the BalloonWorkerThread is activated.<br><br>In attache=
d txt the ballon inflation rate is constant 4090 <br>
<i>XENUTIL: BalloonWorkerThread: inflated balloon by 4090 page(s) in 7924ms=
 (2064k/s)=A0 </i><br><br>till the time it starts, the inflation rate shoot=
s to 12554884 and the VM is live.<br><i>XENUTIL: BalloonWorkerThread: infla=
ted balloon by 12554884 page(s) in 32604ms (91243k/s) </i><br>
<i>XENUTIL: BalloonWorkerThread: de-activating </i><br><i>XENUTIL: Xenevtch=
nMapResources setting callback irq to 11 </i><br><br><br>Can some one help =
me understand the <i>BalloonWorkerThread </i>behavior ?<i><br><br><br></i>M=
any thanks,<br>
Rushi<br><br>

--0016364c78d1eb08b104b53ede33--
--0016364c78d1eb08b604b53ede35
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Subject: [Xen-users] BalloonWorkerThread issue
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--0016364c78d1eb08b104b53ede33
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Hello List,

Merry Christmas to all !!

Basically I'm trying to boot a Windows 2008R2 DC HVM with 90GB static max
memory and 32GB static min.

The node config is Dell M610 with X5660 and 96GB RAM and its running XCP 1.1

Many times the node crashes while booting HVM. Sometimes I get success.
I have attached the HVM boot log of successful start. Many times the node
hangs as soon as the BalloonWorkerThread is activated.

In attached txt the ballon inflation rate is constant 4090
*XENUTIL: BalloonWorkerThread: inflated balloon by 4090 page(s) in 7924ms
(2064k/s)  *

till the time it starts, the inflation rate shoots to 12554884 and the VM
is live.
*XENUTIL: BalloonWorkerThread: inflated balloon by 12554884 page(s) in
32604ms (91243k/s) *
*XENUTIL: BalloonWorkerThread: de-activating *
*XENUTIL: XenevtchnMapResources setting callback irq to 11 *


Can some one help me understand the *BalloonWorkerThread *behavior ?*


*Many thanks,
Rushi

--0016364c78d1eb08b104b53ede33
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Hello List,<br><br>Merry Christmas to all !!<br><br>Basically I&#39;m tryin=
g to boot a Windows 2008R2 DC HVM with 90GB static max memory and 32GB stat=
ic min.<br><br>The node config is Dell M610 with X5660 and 96GB RAM and its=
 running XCP 1.1<br>
<br>Many times the node crashes while booting HVM. Sometimes I get success.=
<br>I have attached the HVM boot log of successful start. Many times the no=
de hangs as soon as the BalloonWorkerThread is activated.<br><br>In attache=
d txt the ballon inflation rate is constant 4090 <br>
<i>XENUTIL: BalloonWorkerThread: inflated balloon by 4090 page(s) in 7924ms=
 (2064k/s)=A0 </i><br><br>till the time it starts, the inflation rate shoot=
s to 12554884 and the VM is live.<br><i>XENUTIL: BalloonWorkerThread: infla=
ted balloon by 12554884 page(s) in 32604ms (91243k/s) </i><br>
<i>XENUTIL: BalloonWorkerThread: de-activating </i><br><i>XENUTIL: Xenevtch=
nMapResources setting callback irq to 11 </i><br><br><br>Can some one help =
me understand the <i>BalloonWorkerThread </i>behavior ?<i><br><br><br></i>M=
any thanks,<br>
Rushi<br><br>

--0016364c78d1eb08b104b53ede33--
--0016364c78d1eb08b604b53ede35
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Dear all,

I am very new to the area of virtualization and XEN. I need to install xen
on my machine. i tried the methods given in xen user manual but was not
successful. is it possible to install xen on ubuntu 10.04 ?  Which OS is
most suited for installing xen? I know this is a very trivial question on
this platform but its important for me.

Regards,

Aparna

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Dear all,<div><br></div><div>I am very new to the area of virtualization an=
d XEN. I need to install xen on my machine. i tried the methods given in xe=
n user manual but was not successful. is it possible to install xen on ubun=
tu 10.04 ? =A0Which OS is most suited for installing xen? I know this is a =
very trivial question on this platform but its important for me.</div>
<div><br></div><div>Regards,</div><div><br></div><div>Aparna</div>

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Dear all,

I am very new to the area of virtualization and XEN. I need to install xen
on my machine. i tried the methods given in xen user manual but was not
successful. is it possible to install xen on ubuntu 10.04 ?  Which OS is
most suited for installing xen? I know this is a very trivial question on
this platform but its important for me.

Regards,

Aparna

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Dear all,<div><br></div><div>I am very new to the area of virtualization an=
d XEN. I need to install xen on my machine. i tried the methods given in xe=
n user manual but was not successful. is it possible to install xen on ubun=
tu 10.04 ? =A0Which OS is most suited for installing xen? I know this is a =
very trivial question on this platform but its important for me.</div>
<div><br></div><div>Regards,</div><div><br></div><div>Aparna</div>

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From xen-users-bounces@lists.xensource.com Fri Dec 30 07:05:38 2011
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Subject: [Xen-users] PCI/VGA passthrough and function level reset (FLR)
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I'm wondering if FLR really must be supported by the PCI card for 
PCI/VGA passthrough to work or if it will work anyway. I have read in 
the VTdHowTo that trying to pass through hardware without the FLR 
feature will result in an error. At the same time I read on a pdf 
document on the VMWare website 
(http://www.vmware.com/files/pdf/techpaper/vsp_4_vmdirectpath_host.pdf) 
that:

-----------------------
Reset Method

Possible values for the reset method include flr, d3d0, link, bridge, or 
default.

The default setting is described as follows. If a device supports 
function level reset (FLR), ESX always uses FLR. If the device does not 
support FLR, ESX next defaults to link reset and bus reset in that 
order. Link reset and bus reset might prevent some devices from being 
assigned to different virtual machines, or from being assigned between 
the VMkernel and virtual machines. In the absence of FLR, it is possible 
to use PCI Power Management capability (D3 to D0 transitions) to trigger 
a reset. Most of the Intel NICs and various other HBAs
support this mode.
-----------------------
So there are other ways of resetting hardware to be used for passthrough 
than the FLR, namely d3d0, link and bridge. Does Xen support any of 
these reset methods? I may want for example to be able to pass through 
an LSI 1068E HBA or an Intel 82572 based NIC to a virtual machine.

Robin.


_______________________________________________
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I'm wondering if FLR really must be supported by the PCI card for 
PCI/VGA passthrough to work or if it will work anyway. I have read in 
the VTdHowTo that trying to pass through hardware without the FLR 
feature will result in an error. At the same time I read on a pdf 
document on the VMWare website 
(http://www.vmware.com/files/pdf/techpaper/vsp_4_vmdirectpath_host.pdf) 
that:

-----------------------
Reset Method

Possible values for the reset method include flr, d3d0, link, bridge, or 
default.

The default setting is described as follows. If a device supports 
function level reset (FLR), ESX always uses FLR. If the device does not 
support FLR, ESX next defaults to link reset and bus reset in that 
order. Link reset and bus reset might prevent some devices from being 
assigned to different virtual machines, or from being assigned between 
the VMkernel and virtual machines. In the absence of FLR, it is possible 
to use PCI Power Management capability (D3 to D0 transitions) to trigger 
a reset. Most of the Intel NICs and various other HBAs
support this mode.
-----------------------
So there are other ways of resetting hardware to be used for passthrough 
than the FLR, namely d3d0, link and bridge. Does Xen support any of 
these reset methods? I may want for example to be able to pass through 
an LSI 1068E HBA or an Intel 82572 based NIC to a virtual machine.

Robin.


_______________________________________________
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From: akhilesh kumar <akhipatel@gmail.com>
To: aparna datt <aparna.cloud@gmail.com>
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] regarding xen installation
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Hi Aparna

for ubuntu you can use  https://help.ubuntu.com/community/Xen   link


if you are new i will suggest to use centos.

Thanks,
Akhilesh

On Fri, Dec 30, 2011 at 11:50 AM, aparna datt <aparna.cloud@gmail.com>wrote:

> Dear all,
>
> I am very new to the area of virtualization and XEN. I need to install xen
> on my machine. i tried the methods given in xen user manual but was not
> successful. is it possible to install xen on ubuntu 10.04 ?  Which OS is
> most suited for installing xen? I know this is a very trivial question on
> this platform but its important for me.
>
> Regards,
>
> Aparna
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>



-- 
Thanks,
Akhilesh

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<div>Hi Aparna</div><div>=A0</div><div>for ubuntu you can use=A0 <a href=3D=
"https://help.ubuntu.com/community/Xen">https://help.ubuntu.com/community/X=
en</a>=A0=A0 link </div><div>=A0</div><div><font size=3D"3" face=3D"Times N=
ew Roman">

</font><p style=3D"margin:0in 0in 0pt" class=3D"MsoNormal"><font face=3D"Tr=
ebuchet MS">if you are new i will suggest to use centos. </font></p><font s=
ize=3D"3" face=3D"Times New Roman">

</font></div><div>=A0</div><div>Thanks,</div><div>Akhilesh <br><br></div><d=
iv class=3D"gmail_quote">On Fri, Dec 30, 2011 at 11:50 AM, aparna datt <spa=
n dir=3D"ltr">&lt;<a href=3D"mailto:aparna.cloud@gmail.com">aparna.cloud@gm=
ail.com</a>&gt;</span> wrote:<br>
<blockquote style=3D"margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-=
color:rgb(204,204,204);border-left-width:1px;border-left-style:solid" class=
=3D"gmail_quote">Dear all,<div><br></div><div>I am very new to the area of =
virtualization and XEN. I need to install xen on my machine. i tried the me=
thods given in xen user manual but was not successful. is it possible to in=
stall xen on ubuntu 10.04 ? =A0Which OS is most suited for installing xen? =
I know this is a very trivial question on this platform but its important f=
or me.</div>

<div><br></div><div>Regards,</div><div><br></div><div>Aparna</div>
<br>_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.=
com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br></blockquote></div><br><br clear=3D"all=
"><br>-- <br>Thanks,<br>Akhilesh <br>

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Date: Fri, 30 Dec 2011 12:59:46 +0530
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From: akhilesh kumar <akhipatel@gmail.com>
To: aparna datt <aparna.cloud@gmail.com>
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Subject: Re: [Xen-users] regarding xen installation
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Hi Aparna

for ubuntu you can use  https://help.ubuntu.com/community/Xen   link


if you are new i will suggest to use centos.

Thanks,
Akhilesh

On Fri, Dec 30, 2011 at 11:50 AM, aparna datt <aparna.cloud@gmail.com>wrote:

> Dear all,
>
> I am very new to the area of virtualization and XEN. I need to install xen
> on my machine. i tried the methods given in xen user manual but was not
> successful. is it possible to install xen on ubuntu 10.04 ?  Which OS is
> most suited for installing xen? I know this is a very trivial question on
> this platform but its important for me.
>
> Regards,
>
> Aparna
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>



-- 
Thanks,
Akhilesh

--14dae934085585efd404b54a32e5
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<div>Hi Aparna</div><div>=A0</div><div>for ubuntu you can use=A0 <a href=3D=
"https://help.ubuntu.com/community/Xen">https://help.ubuntu.com/community/X=
en</a>=A0=A0 link </div><div>=A0</div><div><font size=3D"3" face=3D"Times N=
ew Roman">

</font><p style=3D"margin:0in 0in 0pt" class=3D"MsoNormal"><font face=3D"Tr=
ebuchet MS">if you are new i will suggest to use centos. </font></p><font s=
ize=3D"3" face=3D"Times New Roman">

</font></div><div>=A0</div><div>Thanks,</div><div>Akhilesh <br><br></div><d=
iv class=3D"gmail_quote">On Fri, Dec 30, 2011 at 11:50 AM, aparna datt <spa=
n dir=3D"ltr">&lt;<a href=3D"mailto:aparna.cloud@gmail.com">aparna.cloud@gm=
ail.com</a>&gt;</span> wrote:<br>
<blockquote style=3D"margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-=
color:rgb(204,204,204);border-left-width:1px;border-left-style:solid" class=
=3D"gmail_quote">Dear all,<div><br></div><div>I am very new to the area of =
virtualization and XEN. I need to install xen on my machine. i tried the me=
thods given in xen user manual but was not successful. is it possible to in=
stall xen on ubuntu 10.04 ? =A0Which OS is most suited for installing xen? =
I know this is a very trivial question on this platform but its important f=
or me.</div>

<div><br></div><div>Regards,</div><div><br></div><div>Aparna</div>
<br>_______________________________________________<br>
Xen-users mailing list<br>
<a href=3D"mailto:Xen-users@lists.xensource.com">Xen-users@lists.xensource.=
com</a><br>
<a href=3D"http://lists.xensource.com/xen-users" target=3D"_blank">http://l=
ists.xensource.com/xen-users</a><br></blockquote></div><br><br clear=3D"all=
"><br>-- <br>Thanks,<br>Akhilesh <br>

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From xen-users-bounces@lists.xensource.com Fri Dec 30 10:58:45 2011
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From: Fabian Zimmermann <xenusers@z-technologies.de>
To: Grant McWilliams <grantmasterflash@gmail.com>
Cc: xen-users@lists.xensource.com
Subject: Re: [Xen-users] Xen is 37x slower in processing a loop
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Hello,

you are right, I already tried to update Xen to current Version 4.1.2
and used latest Squeeze-Kernel, but still the same.

Maybe interessting: The problem doesn't occour if plain Squeeze-Kernel
is running (without Xen)

Any ideas?

Thanks a lot,

Fabian

2011/12/26 Grant McWilliams <grantmasterflash@gmail.com>:
>>
>> I think I have to reproduce this on different hardware to get this solved.
>>
>> Any further hints would be nice.
>>
>> Thanks a lot,
>>
>> Fabian
>>
> My prediction is on different hardware you won't see it.
>
>
> Grant McWilliams
> http://grantmcwilliams.com/
>
> Some people, when confronted with a problem, think "I know, I'll use
> Windows."
> Now they have two problems.

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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From: Fabian Zimmermann <xenusers@z-technologies.de>
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Subject: Re: [Xen-users] Xen is 37x slower in processing a loop
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Hello,

you are right, I already tried to update Xen to current Version 4.1.2
and used latest Squeeze-Kernel, but still the same.

Maybe interessting: The problem doesn't occour if plain Squeeze-Kernel
is running (without Xen)

Any ideas?

Thanks a lot,

Fabian

2011/12/26 Grant McWilliams <grantmasterflash@gmail.com>:
>>
>> I think I have to reproduce this on different hardware to get this solved.
>>
>> Any further hints would be nice.
>>
>> Thanks a lot,
>>
>> Fabian
>>
> My prediction is on different hardware you won't see it.
>
>
> Grant McWilliams
> http://grantmcwilliams.com/
>
> Some people, when confronted with a problem, think "I know, I'll use
> Windows."
> Now they have two problems.

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Subject: [Xen-users] snapshots (without lvm)
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I'm using xen 4.1.2 on fedora 16.  I'm aware that it's possible to snapshot=
 vms using lvm snapshots but it's a lengthier and more involved process tha=
n the type of one step snapshot functionality included in citrix xenserver =
or xcp.  Therefore I wanted to ask:

(i) does anyone know if it's possible to create snapshots using the libvirt=
 library e.g. virsh snapshot-create.  I don't believe it is but I wanted to=
 check.  When I try I get an error message saying: "error: this function is=
 not supported by the connection driver: virDomainSnapshotCreateXML"
(ii) putting lvm aside=2C are there any other snapshot options available fo=
r xen if one isn't using xcp

Thanks in advance for any help. 		 	   		  =

--_2df04c9f-52f2-40a4-8853-392861319a48_
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<body class=3D'hmmessage'><div dir=3D'ltr'>
I'm using xen 4.1.2 on fedora 16.&nbsp=3B I'm aware that it's possible to s=
napshot vms using lvm snapshots but it's a lengthier and more involved proc=
ess than the type of one step snapshot functionality included in citrix xen=
server or xcp.&nbsp=3B Therefore I wanted to ask:<br><br>(i) does anyone kn=
ow if it's possible to create snapshots using the libvirt library e.g. virs=
h snapshot-create.&nbsp=3B I don't believe it is but I wanted to check.&nbs=
p=3B When I try I get an error message saying: "error: this function is not=
 supported by the connection driver: virDomainSnapshotCreateXML"<br>(ii) pu=
tting lvm aside=2C are there any other snapshot options available for xen i=
f one isn't using xcp<br><br>Thanks in advance for any help. 		 	   		  </d=
iv></body>
</html>=

--_2df04c9f-52f2-40a4-8853-392861319a48_--


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_______________________________________________
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Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users
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Subject: [Xen-users] snapshots (without lvm)
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I'm using xen 4.1.2 on fedora 16.  I'm aware that it's possible to snapshot=
 vms using lvm snapshots but it's a lengthier and more involved process tha=
n the type of one step snapshot functionality included in citrix xenserver =
or xcp.  Therefore I wanted to ask:

(i) does anyone know if it's possible to create snapshots using the libvirt=
 library e.g. virsh snapshot-create.  I don't believe it is but I wanted to=
 check.  When I try I get an error message saying: "error: this function is=
 not supported by the connection driver: virDomainSnapshotCreateXML"
(ii) putting lvm aside=2C are there any other snapshot options available fo=
r xen if one isn't using xcp

Thanks in advance for any help. 		 	   		  =

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}
body.hmmessage
{
font-size: 10pt=3B
font-family:Tahoma
}
--></style></head>
<body class=3D'hmmessage'><div dir=3D'ltr'>
I'm using xen 4.1.2 on fedora 16.&nbsp=3B I'm aware that it's possible to s=
napshot vms using lvm snapshots but it's a lengthier and more involved proc=
ess than the type of one step snapshot functionality included in citrix xen=
server or xcp.&nbsp=3B Therefore I wanted to ask:<br><br>(i) does anyone kn=
ow if it's possible to create snapshots using the libvirt library e.g. virs=
h snapshot-create.&nbsp=3B I don't believe it is but I wanted to check.&nbs=
p=3B When I try I get an error message saying: "error: this function is not=
 supported by the connection driver: virDomainSnapshotCreateXML"<br>(ii) pu=
tting lvm aside=2C are there any other snapshot options available for xen i=
f one isn't using xcp<br><br>Thanks in advance for any help. 		 	   		  </d=
iv></body>
</html>=

--_2df04c9f-52f2-40a4-8853-392861319a48_--


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_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users
--===============1382623957414599551==--


From xen-users-bounces@lists.xensource.com Fri Dec 30 11:24:46 2011
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Subject: Re: [Xen-users] Xen is 37x slower in processing a loop
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--0022158c0eed3d9c4704b54d7560
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Hello,

here my dmesg-logs. Maybe somebody is able to give me a hint?

Thanks a lot,

Fabian Zimmermann

--0022158c0eed3d9c4704b54d7560
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Subject: Re: [Xen-users] Xen is 37x slower in processing a loop
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--0022158c0eed3d9c4704b54d7560
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Hello,

here my dmesg-logs. Maybe somebody is able to give me a hint?

Thanks a lot,

Fabian Zimmermann

--0022158c0eed3d9c4704b54d7560
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Am Freitag, 30. Dezember 2011, 11:50:49 schrieb aparna datt:
> I am very new to the area of virtualization and XEN. I need to install xen
> on my machine. i tried the methods given in xen user manual but was not
> successful. is it possible to install xen on ubuntu 10.04 ? 
Yes,
but just to clearify here: "installing under" may be a little bit confusing, 
because technically ubuntu will run as Dom0 under XEN.

> Which OS is
> most suited for installing xen? I know this is a very trivial question on
> this platform but its important for me.
There is no general answer. If you wont use XCP you have many different 
options here. Depending from what you need, what Xen kernel version do you 
want to run or want do to there could be different answers here.

There are i.e. very active communities with SuSe and Debian / Ubuntu and a 
large audience within CentOS. If you prefer source based distributions Gentoo 
may be the top choice (i'm personally hardly prefer Gentoo for most cases).


cheers and good luck,


Niels.


-- 
---
Niels Dettenbach
Syndicat IT&Internet
http://www.syndicat.com/
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Am Freitag, 30. Dezember 2011, 11:50:49 schrieb aparna datt:
> I am very new to the area of virtualization and XEN. I need to install xen
> on my machine. i tried the methods given in xen user manual but was not
> successful. is it possible to install xen on ubuntu 10.04 ? 
Yes,
but just to clearify here: "installing under" may be a little bit confusing, 
because technically ubuntu will run as Dom0 under XEN.

> Which OS is
> most suited for installing xen? I know this is a very trivial question on
> this platform but its important for me.
There is no general answer. If you wont use XCP you have many different 
options here. Depending from what you need, what Xen kernel version do you 
want to run or want do to there could be different answers here.

There are i.e. very active communities with SuSe and Debian / Ubuntu and a 
large audience within CentOS. If you prefer source based distributions Gentoo 
may be the top choice (i'm personally hardly prefer Gentoo for most cases).


cheers and good luck,


Niels.


-- 
---
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Syndicat IT&Internet
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Subject: Re: [Xen-users] Xen is 37x slower in processing a loop
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Hello again,

Just detected: "events/0" is running all the time ~25% cpu-load.

Looks like there is no "quick fix", isn't it?

Thanks,

Fabian

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Hello again,

Just detected: "events/0" is running all the time ~25% cpu-load.

Looks like there is no "quick fix", isn't it?

Thanks,

Fabian

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Subject: [Xen-users] PCI/VGA passthrough and function level reset (FLR)
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I'm wondering if FLR really must be supported by the PCI card for 
PCI/VGA passthrough to work or if it will work anyway. I have read in 
the VTdHowTo that trying to pass through hardware without the FLR 
feature will result in an error. At the same time I read on a pdf 
document on the VMWare website 
(http://www.vmware.com/files/pdf/techpaper/vsp_4_vmdirectpath_host.pdf) 
that:

-----------------------
Reset Method

Possible values for the reset method include flr, d3d0, link, bridge, or 
default.

The default setting is described as follows. If a device supports 
function level reset (FLR), ESX always uses FLR. If the device does not 
support FLR, ESX next defaults to link reset and bus reset in that 
order. Link reset and bus reset might prevent some devices from being 
assigned to different virtual machines, or from being assigned between 
the VMkernel and virtual machines. In the absence of FLR, it is possible 
to use PCI Power Management capability (D3 to D0 transitions) to trigger 
a reset. Most of the Intel NICs and various other HBAs
support this mode.
-----------------------
So there are other ways of resetting hardware to be used for passthrough 
than the FLR, namely d3d0, link and bridge. Does Xen support any of 
these reset methods? I may want for example to be able to pass through 
an LSI 1068E HBA or an Intel 82572 based NIC to a virtual machine.

Robin.


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Subject: [Xen-users] PCI/VGA passthrough and function level reset (FLR)
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I'm wondering if FLR really must be supported by the PCI card for 
PCI/VGA passthrough to work or if it will work anyway. I have read in 
the VTdHowTo that trying to pass through hardware without the FLR 
feature will result in an error. At the same time I read on a pdf 
document on the VMWare website 
(http://www.vmware.com/files/pdf/techpaper/vsp_4_vmdirectpath_host.pdf) 
that:

-----------------------
Reset Method

Possible values for the reset method include flr, d3d0, link, bridge, or 
default.

The default setting is described as follows. If a device supports 
function level reset (FLR), ESX always uses FLR. If the device does not 
support FLR, ESX next defaults to link reset and bus reset in that 
order. Link reset and bus reset might prevent some devices from being 
assigned to different virtual machines, or from being assigned between 
the VMkernel and virtual machines. In the absence of FLR, it is possible 
to use PCI Power Management capability (D3 to D0 transitions) to trigger 
a reset. Most of the Intel NICs and various other HBAs
support this mode.
-----------------------
So there are other ways of resetting hardware to be used for passthrough 
than the FLR, namely d3d0, link and bridge. Does Xen support any of 
these reset methods? I may want for example to be able to pass through 
an LSI 1068E HBA or an Intel 82572 based NIC to a virtual machine.

Robin.


_______________________________________________
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http://lists.xensource.com/xen-users

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Subject: [Xen-users] PCI or VGA passthrough and function level reset (FLR)
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I'm wondering if FLR really must be supported by the PCI card for 
PCI/VGA passthrough to work or if it will work anyway. I have read in 
the VTdHowTo that trying to pass through hardware without the FLR 
feature will result in an error. At the same time I read on a pdf 
document on the VMWare website 
(http://www.vmware.com/files/pdf/techpaper/vsp_4_vmdirectpath_host.pdf) 
that:

-----------------------
Reset Method

Possible values for the reset method include flr, d3d0, link, bridge, or 
default.

The default setting is described as follows. If a device supports 
function level reset (FLR), ESX always uses FLR. If the device does not 
support FLR, ESX next defaults to link reset and bus reset in that 
order. Link reset and bus reset might prevent some devices from being 
assigned to different virtual machines, or from being assigned between 
the VMkernel and virtual machines. In the absence of FLR, it is possible 
to use PCI Power Management capability (D3 to D0 transitions) to trigger 
a reset. Most of the Intel NICs and various other HBAs
support this mode.
-----------------------
So there are other ways of resetting hardware to be used for passthrough 
than the FLR, namely d3d0, link and bridge. Does Xen support any of 
these reset methods? I may want for example to be able to pass through 
an LSI 1068E HBA or an Intel 82572 based NIC to a virtual machine.

Robin.


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I'm wondering if FLR really must be supported by the PCI card for 
PCI/VGA passthrough to work or if it will work anyway. I have read in 
the VTdHowTo that trying to pass through hardware without the FLR 
feature will result in an error. At the same time I read on a pdf 
document on the VMWare website 
(http://www.vmware.com/files/pdf/techpaper/vsp_4_vmdirectpath_host.pdf) 
that:

-----------------------
Reset Method

Possible values for the reset method include flr, d3d0, link, bridge, or 
default.

The default setting is described as follows. If a device supports 
function level reset (FLR), ESX always uses FLR. If the device does not 
support FLR, ESX next defaults to link reset and bus reset in that 
order. Link reset and bus reset might prevent some devices from being 
assigned to different virtual machines, or from being assigned between 
the VMkernel and virtual machines. In the absence of FLR, it is possible 
to use PCI Power Management capability (D3 to D0 transitions) to trigger 
a reset. Most of the Intel NICs and various other HBAs
support this mode.
-----------------------
So there are other ways of resetting hardware to be used for passthrough 
than the FLR, namely d3d0, link and bridge. Does Xen support any of 
these reset methods? I may want for example to be able to pass through 
an LSI 1068E HBA or an Intel 82572 based NIC to a virtual machine.

Robin.


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> Looks like there is no "quick fix", isn't it?

Alright, you tested dom0. Are any domU's online during that test?

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> Looks like there is no "quick fix", isn't it?

Alright, you tested dom0. Are any domU's online during that test?

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>> Which OS is
>> most suited for installing xen? I know this is a very trivial
>> question on this platform but its important for me.  
> There are i.e. very active communities with SuSe and Debian / Ubuntu
> and a large audience within CentOS. If you prefer source based
> distributions Gentoo may be the top choice (i'm personally hardly
> prefer Gentoo for most cases).

I use Archlinux. But maybe a good idea is to ask the OP:

What distribution do you /want/ to use?

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>> Which OS is
>> most suited for installing xen? I know this is a very trivial
>> question on this platform but its important for me.  
> There are i.e. very active communities with SuSe and Debian / Ubuntu
> and a large audience within CentOS. If you prefer source based
> distributions Gentoo may be the top choice (i'm personally hardly
> prefer Gentoo for most cases).

I use Archlinux. But maybe a good idea is to ask the OP:

What distribution do you /want/ to use?

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Subject: Re: [Xen-users] Xen is 37x slower in processing a loop
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Hello,

2011/12/31 Mark van Dijk <mark@internecto.net>:
> Alright, you tested dom0. Are any domU's online during that test?

Yes, I tested Dom0 and DomUs, both are affacted.

To answer your question:

The loop is slow even if there is no DomU running, but I didn't test
if events/0 is using too much CPU if there are no DomUs running. So:

- slow loop in Dom0/DomU regardless of DomUs are running or not.
- high events/0 cpuload if DomU is running (didn't test without running DomU).

Some - maybe usefull - informaton: I also detected a very slow
vmlinuz-loading/initrd-processing while booting Dom0.

Thanks a lot,

Fabian Zimmermann

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Hello,

2011/12/31 Mark van Dijk <mark@internecto.net>:
> Alright, you tested dom0. Are any domU's online during that test?

Yes, I tested Dom0 and DomUs, both are affacted.

To answer your question:

The loop is slow even if there is no DomU running, but I didn't test
if events/0 is using too much CPU if there are no DomUs running. So:

- slow loop in Dom0/DomU regardless of DomUs are running or not.
- high events/0 cpuload if DomU is running (didn't test without running DomU).

Some - maybe usefull - informaton: I also detected a very slow
vmlinuz-loading/initrd-processing while booting Dom0.

Thanks a lot,

Fabian Zimmermann

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

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Thanks for the response.  Yes=2C dd is one way of achieving what I want - w=
hich is to allow rollbacks to earlier states - but I guess=2C if one's goin=
g to be slightly pedantic=2C it's more a cloning solution than a snapshot (=
and at this point I could just go with lvm snapshots).  It's certainly a po=
ssibility but I am curious to know if there's anything out there which mirr=
ors the simplicity and speed of the snapshot functionality in XCP.  I'm gue=
ssing not yet...

> From: kyl191@kyl191.net
> Date: Sat=2C 31 Dec 2011 16:04:05 +0800
> Subject: Re: [Xen-users] snapshots (without lvm)
> To: adamgold@hotmail.com
> CC: xen-users@lists.xensource.com
>=20
> This isn't too helpful=2C but regarding (ii)=2C dd
> if=3D/path/to/domU/partition/or/disk.img
> of=3D/path/to/drive/with/enough/space/to/store/a/copy.img bs=3D8M or the
> like should do the trick for your disk=2C and just make a copy of your
> domU config file.
>=20
> There's also xm snapshot-create=2C but I'm not too sure how well (or
> even how) that works.
>=20
> On Fri=2C Dec 30=2C 2011 at 6:58 PM=2C Adam Gold <adamgold@hotmail.com> w=
rote:
> > I'm using xen 4.1.2 on fedora 16.  I'm aware that it's possible to snap=
shot
> > vms using lvm snapshots but it's a lengthier and more involved process =
than
> > the type of one step snapshot functionality included in citrix xenserve=
r or
> > xcp.  Therefore I wanted to ask:
> >
> > (i) does anyone know if it's possible to create snapshots using the lib=
virt
> > library e.g. virsh snapshot-create.  I don't believe it is but I wanted=
 to
> > check.  When I try I get an error message saying: "error: this function=
 is
> > not supported by the connection driver: virDomainSnapshotCreateXML"
> > (ii) putting lvm aside=2C are there any other snapshot options availabl=
e for
> > xen if one isn't using xcp
> >
> > Thanks in advance for any help.
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@lists.xensource.com
> > http://lists.xensource.com/xen-users
 		 	   		  =

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<body class=3D'hmmessage'><div dir=3D'ltr'>
Thanks for the response.&nbsp=3B Yes=2C dd is one way of achieving what I w=
ant - which is to allow rollbacks to earlier states - but I guess=2C if one=
's going to be slightly pedantic=2C it's more a cloning solution than a sna=
pshot (and at this point I could just go with lvm snapshots).&nbsp=3B It's =
certainly a possibility but I am curious to know if there's anything out th=
ere which mirrors the simplicity and speed of the snapshot functionality in=
 XCP.&nbsp=3B I'm guessing not yet...<br><br><div><div id=3D"SkyDrivePlaceh=
older"></div>&gt=3B From: kyl191@kyl191.net<br>&gt=3B Date: Sat=2C 31 Dec 2=
011 16:04:05 +0800<br>&gt=3B Subject: Re: [Xen-users] snapshots (without lv=
m)<br>&gt=3B To: adamgold@hotmail.com<br>&gt=3B CC: xen-users@lists.xensour=
ce.com<br>&gt=3B <br>&gt=3B This isn't too helpful=2C but regarding (ii)=2C=
 dd<br>&gt=3B if=3D/path/to/domU/partition/or/disk.img<br>&gt=3B of=3D/path=
/to/drive/with/enough/space/to/store/a/copy.img bs=3D8M or the<br>&gt=3B li=
ke should do the trick for your disk=2C and just make a copy of your<br>&gt=
=3B domU config file.<br>&gt=3B <br>&gt=3B There's also xm snapshot-create=
=2C but I'm not too sure how well (or<br>&gt=3B even how) that works.<br>&g=
t=3B <br>&gt=3B On Fri=2C Dec 30=2C 2011 at 6:58 PM=2C Adam Gold &lt=3Badam=
gold@hotmail.com&gt=3B wrote:<br>&gt=3B &gt=3B I'm using xen 4.1.2 on fedor=
a 16.&nbsp=3B I'm aware that it's possible to snapshot<br>&gt=3B &gt=3B vms=
 using lvm snapshots but it's a lengthier and more involved process than<br=
>&gt=3B &gt=3B the type of one step snapshot functionality included in citr=
ix xenserver or<br>&gt=3B &gt=3B xcp.&nbsp=3B Therefore I wanted to ask:<br=
>&gt=3B &gt=3B<br>&gt=3B &gt=3B (i) does anyone know if it's possible to cr=
eate snapshots using the libvirt<br>&gt=3B &gt=3B library e.g. virsh snapsh=
ot-create.&nbsp=3B I don't believe it is but I wanted to<br>&gt=3B &gt=3B c=
heck.&nbsp=3B When I try I get an error message saying: "error: this functi=
on is<br>&gt=3B &gt=3B not supported by the connection driver: virDomainSna=
pshotCreateXML"<br>&gt=3B &gt=3B (ii) putting lvm aside=2C are there any ot=
her snapshot options available for<br>&gt=3B &gt=3B xen if one isn't using =
xcp<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B Thanks in advance for any help.<br>&g=
t=3B &gt=3B<br>&gt=3B &gt=3B ______________________________________________=
_<br>&gt=3B &gt=3B Xen-users mailing list<br>&gt=3B &gt=3B Xen-users@lists.=
xensource.com<br>&gt=3B &gt=3B http://lists.xensource.com/xen-users<br></di=
v> 		 	   		  </div></body>
</html>=

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http://lists.xensource.com/xen-users
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Subject: Re: [Xen-users] snapshots (without lvm)
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Thanks for the response.  Yes=2C dd is one way of achieving what I want - w=
hich is to allow rollbacks to earlier states - but I guess=2C if one's goin=
g to be slightly pedantic=2C it's more a cloning solution than a snapshot (=
and at this point I could just go with lvm snapshots).  It's certainly a po=
ssibility but I am curious to know if there's anything out there which mirr=
ors the simplicity and speed of the snapshot functionality in XCP.  I'm gue=
ssing not yet...

> From: kyl191@kyl191.net
> Date: Sat=2C 31 Dec 2011 16:04:05 +0800
> Subject: Re: [Xen-users] snapshots (without lvm)
> To: adamgold@hotmail.com
> CC: xen-users@lists.xensource.com
>=20
> This isn't too helpful=2C but regarding (ii)=2C dd
> if=3D/path/to/domU/partition/or/disk.img
> of=3D/path/to/drive/with/enough/space/to/store/a/copy.img bs=3D8M or the
> like should do the trick for your disk=2C and just make a copy of your
> domU config file.
>=20
> There's also xm snapshot-create=2C but I'm not too sure how well (or
> even how) that works.
>=20
> On Fri=2C Dec 30=2C 2011 at 6:58 PM=2C Adam Gold <adamgold@hotmail.com> w=
rote:
> > I'm using xen 4.1.2 on fedora 16.  I'm aware that it's possible to snap=
shot
> > vms using lvm snapshots but it's a lengthier and more involved process =
than
> > the type of one step snapshot functionality included in citrix xenserve=
r or
> > xcp.  Therefore I wanted to ask:
> >
> > (i) does anyone know if it's possible to create snapshots using the lib=
virt
> > library e.g. virsh snapshot-create.  I don't believe it is but I wanted=
 to
> > check.  When I try I get an error message saying: "error: this function=
 is
> > not supported by the connection driver: virDomainSnapshotCreateXML"
> > (ii) putting lvm aside=2C are there any other snapshot options availabl=
e for
> > xen if one isn't using xcp
> >
> > Thanks in advance for any help.
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@lists.xensource.com
> > http://lists.xensource.com/xen-users
 		 	   		  =

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<body class=3D'hmmessage'><div dir=3D'ltr'>
Thanks for the response.&nbsp=3B Yes=2C dd is one way of achieving what I w=
ant - which is to allow rollbacks to earlier states - but I guess=2C if one=
's going to be slightly pedantic=2C it's more a cloning solution than a sna=
pshot (and at this point I could just go with lvm snapshots).&nbsp=3B It's =
certainly a possibility but I am curious to know if there's anything out th=
ere which mirrors the simplicity and speed of the snapshot functionality in=
 XCP.&nbsp=3B I'm guessing not yet...<br><br><div><div id=3D"SkyDrivePlaceh=
older"></div>&gt=3B From: kyl191@kyl191.net<br>&gt=3B Date: Sat=2C 31 Dec 2=
011 16:04:05 +0800<br>&gt=3B Subject: Re: [Xen-users] snapshots (without lv=
m)<br>&gt=3B To: adamgold@hotmail.com<br>&gt=3B CC: xen-users@lists.xensour=
ce.com<br>&gt=3B <br>&gt=3B This isn't too helpful=2C but regarding (ii)=2C=
 dd<br>&gt=3B if=3D/path/to/domU/partition/or/disk.img<br>&gt=3B of=3D/path=
/to/drive/with/enough/space/to/store/a/copy.img bs=3D8M or the<br>&gt=3B li=
ke should do the trick for your disk=2C and just make a copy of your<br>&gt=
=3B domU config file.<br>&gt=3B <br>&gt=3B There's also xm snapshot-create=
=2C but I'm not too sure how well (or<br>&gt=3B even how) that works.<br>&g=
t=3B <br>&gt=3B On Fri=2C Dec 30=2C 2011 at 6:58 PM=2C Adam Gold &lt=3Badam=
gold@hotmail.com&gt=3B wrote:<br>&gt=3B &gt=3B I'm using xen 4.1.2 on fedor=
a 16.&nbsp=3B I'm aware that it's possible to snapshot<br>&gt=3B &gt=3B vms=
 using lvm snapshots but it's a lengthier and more involved process than<br=
>&gt=3B &gt=3B the type of one step snapshot functionality included in citr=
ix xenserver or<br>&gt=3B &gt=3B xcp.&nbsp=3B Therefore I wanted to ask:<br=
>&gt=3B &gt=3B<br>&gt=3B &gt=3B (i) does anyone know if it's possible to cr=
eate snapshots using the libvirt<br>&gt=3B &gt=3B library e.g. virsh snapsh=
ot-create.&nbsp=3B I don't believe it is but I wanted to<br>&gt=3B &gt=3B c=
heck.&nbsp=3B When I try I get an error message saying: "error: this functi=
on is<br>&gt=3B &gt=3B not supported by the connection driver: virDomainSna=
pshotCreateXML"<br>&gt=3B &gt=3B (ii) putting lvm aside=2C are there any ot=
her snapshot options available for<br>&gt=3B &gt=3B xen if one isn't using =
xcp<br>&gt=3B &gt=3B<br>&gt=3B &gt=3B Thanks in advance for any help.<br>&g=
t=3B &gt=3B<br>&gt=3B &gt=3B ______________________________________________=
_<br>&gt=3B &gt=3B Xen-users mailing list<br>&gt=3B &gt=3B Xen-users@lists.=
xensource.com<br>&gt=3B &gt=3B http://lists.xensource.com/xen-users<br></di=
v> 		 	   		  </div></body>
</html>=

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From xen-users-bounces@lists.xensource.com Sat Dec 31 12:17:52 2011
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Date: Sat, 31 Dec 2011 13:15:11 +0100
From: Mark van Dijk <mark@internecto.net>
To: xen-users@lists.xensource.com
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Subject: Re: [Xen-users] snapshots (without lvm)
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> Thanks for the response.  Yes, dd is one way of achieving what I want
> - which is to allow rollbacks to earlier states - but I guess, if
> one's going to be slightly pedantic, it's more a cloning solution
> than a snapshot (and at this point I could just go with lvm
> snapshots).  It's certainly a possibility but I am curious to know if
> there's anything out there which mirrors the simplicity and speed of
> the snapshot functionality in XCP.  I'm guessing not yet...

Maybe I'm not answering your question in the way you'd like it to be
answered, but at least I can show you my two snapshot/backup methods.

For images that I want to store on dom0 I prefer the following method:

# kpartx -a /dev/vg/lv-domu
# mount -o ro /dev/mapper/vg-lv-domu3 /mnt  (mount filesystem root)
# mount -o ro /dev/mapper/vg-lv-domu1 /mnt/boot
# cd /var/snapshots/domu
# rsync -aPh --delete --delete-excluded /mnt .
# umount, kpartx -d ... etc.

Usually I make a tar file out of this with some compression... lzop is
nice here because it's very fast and still provides a reasonable amount
of compression. This is how I prefer to make a snapshot of a newly
installed system.

Besides this I also want to make incremental backups of systems that
are already configured and running. For this I use rsnapshot on a
dedicated backup system which is separate from the Xen box which is
what I'll explain next.

All the domU's initiate an openvpn connection to the rsnapshot system.
The rsnapshot / openvpn server assigns these hosts an IPv6 ULA (Unique
Local Address) because these address forms are unroutable on the
Internet and thus are considered safe enough for this purpose. The
domU's also all have an rsync daemon that listens to only this address.
Rsyncd provides read-only access to the whole filesystem (/) for only
the rsnapshot system's IPv6 ULA address.

The rsnapshot system connects to the domU's four times a day and makes
incremental backups each time. This means that files that already
exist on the rsnapshot system are linked rather than duplicated and
retransferred - this saves a lot of space and bandwidth and increases
speed. The exclusion of files and directories is configured in
rsnapshot's config file. Rsnapshot also makes daily, weekly and monthly
snapshots but this happens locally i.e. without making connections to
the backuped boxes.

I chose rsyncd rather than ssh because there is no mandatory
authentication, it simply allows only the rsnapshot system's IP.
Furthermore OpenVPN already establishes the encrypted connection
and I see no reason to make the encryption redundant (i.e.
encrypted ssh over encrypted OpenVPN). And rsyncd also is a lot faster
than ssh.

Those who would rather use rsnapshot over ssh than over an OpenVPN
connection could choose to use ssh with the arcfour cipher because
arcfour is a faster streaming cipher than the other ones.

I hope I explained it in an understandable way but if you prefer a
less theoretical and more practical explanation then just say so. I'll
then write something that shows you the used commands and config files.

-Mark

_______________________________________________
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Date: Sat, 31 Dec 2011 13:15:11 +0100
From: Mark van Dijk <mark@internecto.net>
To: xen-users@lists.xensource.com
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Subject: Re: [Xen-users] snapshots (without lvm)
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> Thanks for the response.  Yes, dd is one way of achieving what I want
> - which is to allow rollbacks to earlier states - but I guess, if
> one's going to be slightly pedantic, it's more a cloning solution
> than a snapshot (and at this point I could just go with lvm
> snapshots).  It's certainly a possibility but I am curious to know if
> there's anything out there which mirrors the simplicity and speed of
> the snapshot functionality in XCP.  I'm guessing not yet...

Maybe I'm not answering your question in the way you'd like it to be
answered, but at least I can show you my two snapshot/backup methods.

For images that I want to store on dom0 I prefer the following method:

# kpartx -a /dev/vg/lv-domu
# mount -o ro /dev/mapper/vg-lv-domu3 /mnt  (mount filesystem root)
# mount -o ro /dev/mapper/vg-lv-domu1 /mnt/boot
# cd /var/snapshots/domu
# rsync -aPh --delete --delete-excluded /mnt .
# umount, kpartx -d ... etc.

Usually I make a tar file out of this with some compression... lzop is
nice here because it's very fast and still provides a reasonable amount
of compression. This is how I prefer to make a snapshot of a newly
installed system.

Besides this I also want to make incremental backups of systems that
are already configured and running. For this I use rsnapshot on a
dedicated backup system which is separate from the Xen box which is
what I'll explain next.

All the domU's initiate an openvpn connection to the rsnapshot system.
The rsnapshot / openvpn server assigns these hosts an IPv6 ULA (Unique
Local Address) because these address forms are unroutable on the
Internet and thus are considered safe enough for this purpose. The
domU's also all have an rsync daemon that listens to only this address.
Rsyncd provides read-only access to the whole filesystem (/) for only
the rsnapshot system's IPv6 ULA address.

The rsnapshot system connects to the domU's four times a day and makes
incremental backups each time. This means that files that already
exist on the rsnapshot system are linked rather than duplicated and
retransferred - this saves a lot of space and bandwidth and increases
speed. The exclusion of files and directories is configured in
rsnapshot's config file. Rsnapshot also makes daily, weekly and monthly
snapshots but this happens locally i.e. without making connections to
the backuped boxes.

I chose rsyncd rather than ssh because there is no mandatory
authentication, it simply allows only the rsnapshot system's IP.
Furthermore OpenVPN already establishes the encrypted connection
and I see no reason to make the encryption redundant (i.e.
encrypted ssh over encrypted OpenVPN). And rsyncd also is a lot faster
than ssh.

Those who would rather use rsnapshot over ssh than over an OpenVPN
connection could choose to use ssh with the arcfour cipher because
arcfour is a faster streaming cipher than the other ones.

I hope I explained it in an understandable way but if you prefer a
less theoretical and more practical explanation then just say so. I'll
then write something that shows you the used commands and config files.

-Mark

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