[CentOS] C5 XEN domain not startable

Pasi Kärkkäinen pasik at iki.fi
Wed Mar 31 20:27:25 UTC 2010

On Wed, Mar 31, 2010 at 01:18:40PM -0700, Dave Stevens wrote:
> Hi,
> I have a Centos 5 box with dom0 and several domUs and one of them is  
> not runnable. I ran updates several days ago and the update included a  
> kernel update so I used virt-manager to reboot. But it won't book. It  
> shows as not running and when I try to run it I get a dialog box with  
> this:
> Traceback (most recent call last):
>    File "/usr/share/virt-manager/virtManager/engine.py", line 498, in  
> run_domain
>      vm.startup()
>    File "/usr/share/virt-manager/virtManager/domain.py", line 573, in startup
>      self.vm.create()
>    File "/usr/lib64/python2.4/site-packages/libvirt.py", line 287, in create
>      if ret == -1: raise libvirtError ('virDomainCreate() failed', dom=self)
> libvirtError: Unknown failure
> I don't know what to do about this. Anyone have ideas?

What does "xm list" say? 

If it's stuck/crashed, use "xm destroy" to kill it.

-- Pasi

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