[Xen-users] How to setup a domain for DOS

["Hu Jia Yi" <jyhu@xxxxxxxxx>]

I am using virt-manager to start guest domain. I can install win xp
using ISO and CD-ROM. 

Is it possible to install a guest domain for DOS and how?

Best regards,
Hu Jia Yi
Ext: 20430
Tel: 65-67510430

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Today's Topics:

   1. Re: How to change the default kernel of Guest_OS (vipinsagar)
   2. Re: How to change the default kernel of Guest_OS (vipinsagar)
   3. Ghost domain ??? (Marco Mililotti)


----------------------------------------------------------------------

Message: 1
Date: Thu, 6 Sep 2007 18:20:24 +0530
From: vipinsagar <freakyzag@xxxxxxxxx>
Subject: Re: [Xen-users] How to change the default kernel of Guest_OS
To: "Nico Kadel-Garcia" <nkadel@xxxxxxxxx>
Cc: Xen Users <xen-users@xxxxxxxxxxxxxxxxxxx>
Message-ID:
        <4ca85dfb0709060550r45a537d1p1067ecbe20f4bbf9@xxxxxxxxxxxxxx>
Content-Type: text/plain; charset="windows-1252"

Thank you for your information.
I have done an -ivh to my host machine and test the stability and it was
fine. Thats why I have gone for -Uvh

Thank you,

~sagar

On 9/6/07, Nico Kadel-Garcia <nkadel@xxxxxxxxx> wrote:
>
> By the way, *DO NOT* use "rpm -U" for kernels, because any error can
screw
> up your ability to reboot successfully. Always use "rpm -i" for
kernels.
>
> On 9/6/07, Nico Kadel-Garcia <nkadel@xxxxxxxxx> wrote:
> >
> > If you're using pygrub, you need to edit /boot/grub/grub.conf in the
> > DomU.
> >
> >  On 9/6/07, vipinsagar < freakyzag@xxxxxxxxx> wrote:
> >
> > >
> > > Hello Everyone,
> > >
> > > Domain-0 OS:Centos5[final]
> > > Guest OS: Centos5[Centos5[final]
> > >
> > > The virtualization [para] set up was working fine until I have
done a
> > > kernel upgrade from 2.6.18-8 to 2.6.18-8.1.8 at the guest OS
level.
> > >
> > > My dom-0 is still working fine with the updated kernel. I used the
> > > same update package and -Uvh at my guest OS level and I changed
the default
> > > kernel-2.6.18-8.1.8.el5xen to kernel-2.6.18-8.1.8.el5 in Guest's
> > > grub.conf [Before the Kernel update, I had only one (xen)Kernel at
> > > Guest_OS]
> > >
> > > then
> > >
> > > xm reboot cenos5v [Didn't came up]
> > >
> > > then tried
> > >
> > > # xm create /etc/xen/cenos5v
> > >
> > > Using config file "/etc/xen/cenos5v".
> > > Going to boot CentOS (2.6.18-8.1.8.el5)
> > >   kernel: /vmlinuz-2.6.18-8.1.8.el5
> > >   initrd: /initrd-2.6.18-8.1.8.el5.img
> > > Error: (22, 'Invalid argument')
> > >
> > > Querry:
> > >
> > > How do I change my guest's default bootable kernel back to
xen-kernel.
> > >
> > > Please help me out and your suggestion would be appreciated.
> > >
> > >
> > > Thank you All
> > >
> > >
> > > --
> > > ~O_0~
> > > ~sagar
> > > http://vipinsagar.net
> > > ...i've to look back when I heard a gong! I could only see a huge
> > > cobweb and its shining, just got wonder, what the time it was...
> > > _______________________________________________
> > > Xen-users mailing list
> > > Xen-users@xxxxxxxxxxxxxxxxxxx
> > > http://lists.xensource.com/xen-users
> > >
> >
> >
>


-- 
~O_0~
~sagar
http://vipinsagar.net
...i've to look back when I heard a gong! I could only see a huge cobweb
and
its shining, just got wonder, what the time it was...
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Message: 2
Date: Thu, 6 Sep 2007 18:27:46 +0530
From: vipinsagar <freakyzag@xxxxxxxxx>
Subject: Re: [Xen-users] How to change the default kernel of Guest_OS
To: "Xen Users" <xen-users@xxxxxxxxxxxxxxxxxxx>
Message-ID:
        <4ca85dfb0709060557i3486cda2m46da05f61295348f@xxxxxxxxxxxxxx>
Content-Type: text/plain; charset="windows-1252"

Hello Everyone,

I have resolved the issue. All I have done

mount my image
[foobar@blxvirtual sagar]# lomount -diskimage
/var/lib/xen/images/cenos5v.img -partition 1 /vipin

[foobar@blxvirtual sagar]# cd /vipin/grub/grub.conf

change default 1 to 0  :)

Happy Xenning around !!!

~sagar


On 9/6/07, vipinsagar <freakyzag@xxxxxxxxx> wrote:
>
> Hi Nico,
>
> I had tried:
> /usr/bin/pygrub /var/lib/xen/images/cenos5v.img
>
> got the grub window and there I chose the XEN kernel and tried to boot
>
> It throws:
>
> Going to boot CentOS (2.6.18-8.1.8.el5xen)
>   kernel: /vmlinuz-2.6.18-8.1.8.el5xen
>   initrd: /initrd-2.6.18-8.1.8.el5xen.img
> linux (kernel /var/lib/xen/vmlinuz.nYT_lz)(ramdisk
> /var/lib/xen/initrd.UYo3oU)(args 'ro root=/dev/VolGroup00/LogVol00
> console=xvc0 rhgb quiet')
> [fubar@blxvirtual ~]#
>
> Thank You All,
>
> ~sagar
>
>
> On 9/6/07, Nico Kadel-Garcia <nkadel@xxxxxxxxx> wrote:
> >
> > If you're using pygrub, you need to edit /boot/grub/grub.conf in the
> > DomU.
> >
> > On 9/6/07, vipinsagar < freakyzag@xxxxxxxxx> wrote:
> >
> > >
> > > Hello Everyone,
> > >
> > > Domain-0 OS:Centos5[final]
> > > Guest OS: Centos5[Centos5[final]
> > >
> > > The virtualization [para] set up was working fine until I have
done a
> > > kernel upgrade from 2.6.18-8 to 2.6.18-8.1.8 at the guest OS
level.
> > >
> > > My dom-0 is still working fine with the updated kernel. I used the
> > > same update package and -Uvh at my guest OS level and I changed
the default
> > > kernel-2.6.18-8.1.8.el5xen to kernel-2.6.18-8.1.8.el5 in Guest's
> > > grub.conf [Before the Kernel update, I had only one (xen)Kernel at
> > > Guest_OS]
> > >
> > > then
> > >
> > > xm reboot cenos5v [Didn't came up]
> > >
> > > then tried
> > >
> > > # xm create /etc/xen/cenos5v
> > >
> > > Using config file "/etc/xen/cenos5v".
> > > Going to boot CentOS (2.6.18-8.1.8.el5)
> > >   kernel: /vmlinuz-2.6.18-8.1.8.el5
> > >   initrd: /initrd-2.6.18-8.1.8.el5.img
> > > Error: (22, 'Invalid argument')
> > >
> > > Querry:
> > >
> > > How do I change my guest's default bootable kernel back to
xen-kernel.
> > >
> > > Please help me out and your suggestion would be appreciated.
> > >
> > >
> > > Thank you All
> > >
> > >
> > > --
> > > ~O_0~
> > > ~sagar
> > >  http://vipinsagar.net
> > > ...i've to look back when I heard a gong! I could only see a huge
> > > cobweb and its shining, just got wonder, what the time it was...
> > > _______________________________________________
> > > Xen-users mailing list
> > > Xen-users@xxxxxxxxxxxxxxxxxxx
> > > http://lists.xensource.com/xen-users
> > >
> >
> >
>
>
> --
> ~O_0~
> ~sagar
> http://vipinsagar.net
> ...i've to look back when I heard a gong! I could only see a huge
cobweb
> and its shining, just got wonder, what the time it was...
>



-- 
~O_0~
~sagar
http://vipinsagar.net
...i've to look back when I heard a gong! I could only see a huge cobweb
and
its shining, just got wonder, what the time it was...
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Message: 3
Date: Thu, 6 Sep 2007 16:53:00 +0200
From: "Marco Mililotti" <foobar.angus@xxxxxxxxx>
Subject: [Xen-users] Ghost domain ???
To: xen-users@xxxxxxxxxxxxxxxxxxx
Message-ID:
        <596ca7880709060753r285c40a3of8f198dc149af919@xxxxxxxxxxxxxx>
Content-Type: text/plain; charset=ISO-8859-1

Hi,

I'm running Xen 3.0.4 with suse (kernel 2.6.16.46-0.12-xen). I've a
problem with a "ghost" (paravirt) domain that appear in the output of
xm list. As an example:
# xm list
Name                                      ID   Mem VCPUs      State
Time(s)
Domain-0                                   0  1024     4     r-----
29.0
vm-xyz                                            512     1
0.0

As you can see the domain has no ID and no State. I cannot make any
reference to it (to destroy it for example). I've a) removed any
reference to cfg files and disk images for that domain, b) restarted
the physical host ... but I get always the same output from  xm
list!!!

Is there a method to clean up things? Where does xm list get its
data??? Do I have to remove xen packages from the host and reinstall
them? What else?
Any help wellcome.

Here I append a snapshot from the output of xm list -l :

(domain
    (on_crash destroy)
    (memory 512)
    (uuid 0c4bb267-9596-32ef-46af-d70f3d509e7b)
    (bootloader_args '--entry=xvda1:/boot/vmlinuz-xen,/boot/initrd-xen')
    (name vm-xyz)
    (maxmem 512)
    (on_reboot restart)
    (on_poweroff destroy)
    (vcpus 1)
    (bootloader /usr/lib/xen/boot/domUloader.py)
    (shadow_memory 0)
    (cpu_weight 256)
    (cpu_cap 0)
    (features )
    (on_xend_start ignore)
    (on_xend_stop ignore)
    (start_time 1189070518.22)
    (online_vcpus 1)
    (image
        (linux
            (kernel /var/lib/xen/tmp/kernel.q0ajL7)
            (ramdisk /var/lib/xen/tmp/ramdisk.fJgvZ8)
            (args 'TERM=xterm xencons=tty ')
        )
    )
    (status 0)
    (memory_dynamic_min 512)
    (memory_dynamic_max 512)
    (device
        (vif
            (bridge vbr_lo)
            (mac 00:16:3e:4c:7d:f7)
            (backend 0)
            (uuid 12bc4f60-2071-18a3-a09f-44c0cdc8f51a)
            (script vif-bridge)
        )
    )
    (device
        (vbd
            (uuid e600f181-cdb0-1ffa-e8dd-b834f94f56ac)
            (driver paravirtualised)
            (dev xvda:disk)
            (uname file:/xenfs/images/vm-sles10snap/bootdisk)
            (mode w)
            (type disk)
            (backend 0)
        )
    )
    (device
        (vbd
            (uuid 95d3a30b-17c4-8ad8-b812-cb298aebb3d1)
            (driver paravirtualised)
            (dev xvdb:disk)
            (uname file:/xenfs/images/vm-sles10snap/rootdisk)
            (mode w)
            (type disk)
            (backend 0)
        )
    )
    (device
        (vbd
            (uuid b6a8f396-4738-708f-a309-e288b63303a8)
            (driver paravirtualised)
            (dev xvdc:disk)
            (uname file:/system/SLES10-AMD64-EM64T-DVD1.iso)
            (mode r)
            (type disk)
            (backend 0)
        )
    )
)


Regards,
-- Marco



------------------------------

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