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[Xen-users] Re: Has my Xen guest domain been started? (Donglai Zhang)

  • To: xen-users@xxxxxxxxxxxxxxxxxxx
  • From: Donglai Zhang <dlzhangster@xxxxxxxxx>
  • Date: Tue, 9 Jun 2009 17:13:24 +0930
  • Delivery-date: Tue, 09 Jun 2009 00:44:10 -0700
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Just run :  

[root@red dlzhang]# xm uptime ExampleDomain01
Name                                ID Uptime
ExampleDomain01                      4  0:22:35

That means the machine has been running successfully, is it?
[root@red dlzhang]# xm console ExampleDomain01

Nothing happening...  Any idea?



On Tue, Jun 9, 2009 at 3:01 PM, <xen-users-request@xxxxxxxxxxxxxxxxxxx> wrote:

Message: 5
Date: Tue, 9 Jun 2009 14:13:00 +0930
From: Donglai Zhang <dlzhangster@xxxxxxxxx>
Subject: [Xen-users] Has my Xen guest domain been started?
To: xen-users@xxxxxxxxxxxxxxxxxxx
Content-Type: text/plain; charset="iso-8859-1"


I have installed Xen 3.4 ( on my (Fedora 7) linux box. And
started with the Xen 3.4 kernel. I also installed a Ubuntu 9.0.4 guest
system on /dev/sda7.

Start the machine and log in to Fedora.

*uname -r *

Then I started xend.
*xend start
* Every is fine.

Start my first guest on xen:
*xm create -c xm01dlzhang vimid=1*              //xm01dlzhang is the config

*****Content of  the config file********************
kernel = "/boot/vmlinuz-"
memory = 256
name = "ExampleDomain01"
vif = [ '' ]
disk = [ 'phy:sda7,sda7,w' ]
root = "/dev/sda7 ro"
extra = "5"
*************Other contents are all commented out**********
//Following are the output from the console.

*Using config file "./xm01dlzhang".
Started domain ExampleDomain01 (id=4)
Linux version (dlzhang@red) (gcc version 4.1.2 20070925 (Red
Hat 4.1.2-27)) #1 SMP Thu Jun 4 12:19:55 CST 2009
BIOS-provided physical RAM map:
 Xen: 0000000000000000 - 0000000010800000 (usable)
0MB HIGHMEM available.
264MB LOWMEM available.
NX (Execute Disable) protection: active
ACPI in unprivileged domain disabled
Allocating PCI resources starting at 20000000 (gap: 10800000:ef800000)
Detected 2135.115 MHz processor.
Built 1 zonelists.  Total pages: 67584
Kernel command line: root=/dev/sda7 ro 5*

//Some other information here

*md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
EXT2-fs warning (device sda7): ext2_fill_super: mounting ext3 filesystem as
VFS: Mounted root (ext2 filesystem) readonly.
Freeing unused kernel memory: 196k freed

 ** WARNING: Currently emulating unsupported memory accesses  **
 **          in /lib/tls glibc libraries. The emulation is    **
 **          slow. To ensure full performance you should      **
 **          install a 'xen-friendly' (nosegneg) version of   **
 **          the library, or disable tls support by executing **
 **          the following as root:                           **
 **          mv /lib/tls /lib/tls.disabled                    **
 ** Offending process: init (pid=717)                         **


Then it stops here, seems not dead though.  After a while , I checked the
status of xen with
*xm list *
*[root@red boot]# xm list
Name                                        ID   Mem VCPUs      State
Domain-0                                     0   510     2     r-----
ExampleDomain01                              4   254     1     -b----

It seems the guest domain has been blocked (as shown b), but I am not sure
what's going on there? Has guest domain been started or not? Or it is just
blocked, if so, how can I unblock it?  If you can pointing me to a tutorial
that will be good too.

Thanks in advance!
--* *
Donglai Zhang

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