[libvirt-users] snapshot create error, unable to find cgroup for vm

[Eric Blake]

On 05/15/2013 07:32 PM, Gao Yongwei wrote:
> Hello:
> Yesterday I yum update libvirt from 0.9.10 to 0.10.2 ,after update I got
> some error in libvirtd.log
>  like this:
> 2013-05-10 07:39:09.440+0000: 18824: warning : virCgroupMoveTask:885 : no
> vm cgroup in controller 3
> 2013-05-10 07:39:09.440+0000: 18824: warning : virCgroupMoveTask:885 : no
> vm cgroup in controller 4
> 2013-05-10 07:39:09.440+0000: 18824: warning : virCgroupMoveTask:885 : no
> vm cgroup in controller 6

Red herring.  This is a warning, and has nothing to do with the actual
error (it has since been patched in upstream libvirt).

> so,I restarted cgconfig and libvirtd daemon :
> 
> service cgconfig restart ;
> service libvirtd restart
> 
> after that ,I cannot create snapshot for vm anymore.and error log message
> below:
> 2013-05-16 01:13:23.638+0000: 28848: error :
> qemuDomainSnapshotCreateDiskActive:11299 : internal error Unable to find
> cgroup for vm1
> 
> my version info :
> # rpm -q libvirt
> libvirt-0.10.2-18.el6_4.4.x86_64

Are you using RHEL? If so, please open a support incident with Red Hat.
 If not, can you reproduce the problem when you upgrade to libvirt 1.0.5?

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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