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Re: [libvirt] FYI, "Unable to create cgroup for ..."



Daniel P. Berrange wrote:
> On Tue, Mar 29, 2011 at 02:55:28PM +0200, Jim Meyering wrote:
>> In case someone else encounters this...
>>
>> Today none of my VMs would start on F15:
>>
>>     # virsh create rawhide.xml
>>     error: Failed to create domain from rawhide.xml
>>     error: Unable to create cgroup for rawhide: No such file or directory
>>
>> Luckily, I noticed that Rich Jones had the same problem
>> a week ago and he found that restarting libvirtd was enough
>> to solve the problem:
>>
>>     # service libvirtd restart
>>
>> That did it for me, too.
>
> This is a bug in systemd. It periodically scans all mounted cgroups
> and deletes any directories which don't contain any attached processes.
> Needless to say this breaks libvirt, and possibly other apps, which
> don't expect 3rd parties to be deleting their directories.
>
>   https://bugzilla.redhat.com/show_bug.cgi?id=678555

Thanks.
With that, it's sure to be fixed soon.


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