[libvirt-users] Information needed regarding the libvirt version libvirt-1.0.6-1

arun abhinay arun.abhinay at gmail.com
Fri Aug 23 08:14:34 UTC 2013


Hi Daniel,

Adding to trailing mail. We are currently using below qemu version on our
Hardware
qemu-kvm-0.14.1-1

Will there be any change to test with the newer version  qemu.

Thanks
Abhinay

On Thu, Aug 22, 2013 at 5:44 PM, arun abhinay <arun.abhinay at gmail.com>wrote:

>  Hi Daniel,
>
> Thanks a lot for providing us your pointers. From the domain.xml(attached
> in my previous mail) which we have used for defining virtual guest i can
> see below lines
> <emulator>/usr/local/bin/qemu-system-x86_64</emulator>
>
> We were using same domain.xml in eralier libvirt version and the execution
> of cpu_stats command was successful. Now if we have to get
> "cpu_stats" command working using QEMU emulator on libvirt can you suggest
> what can we do.
>
> I have found below links on google while checking for the vcpu pid's error
> https://www.redhat.com/archives/libvir-list/2013-June/msg00214.htm<https://www.redhat.com/archives/libvir-list/2013-June/msg00214.html>
>  <https://www.redhat.com/archives/libvir-list/2013-June/msg00385.html>
> https://www.redhat.com/archives/libvir-list/2012-August/msg01405.html
> https://www.redhat.com/archives/libvir-list/2012-August/msg01413.html
>
>
> Can you let us know if any of the above patches fix our issue.
>
> Thanks
> Abhinay
>  On Thu, Aug 22, 2013 at 3:19 PM, Daniel P. Berrange <berrange at redhat.c
> om> wrote:
>
>> On Thu, Aug 22, 2013 at 03:04:41PM +0200, arun abhinay wrote:
>> > Hi Daniel,
>> >
>> > Thanks for your immidiate reply. The starting of virtual guest was ok on
>> > our machine. We are facing this issue while executing the "cpu-stats
>> > <domain name>" command.
>> > I have collected the debug logs as you suggested and attaching the same.
>>
>> The cpu-stats command relies on the vCPU cgroups existing. These are
>> created when the guest starts. So the fact that cpu-stats can't find
>> the cgroups shows that something failed during startup.
>>
>>
>> Your log file shows this:
>>
>> 2013-08-22 12:45:44.326+0000: 17554: warning : qemuSetupCgroupForVcpu:953
>> : Unable to get vcpus' pids.^M
>>
>> which is the root cause of your problems.
>>
>> If libvirt can't find the vcpu PIDs, this suggests that your guests are
>> running using QEMU TCG instead of KVM.
>>
>> Daniel
>> --
>> |: http://berrange.com      -o-
>> http://www.flickr.com/photos/dberrange/ :|
>> |: http://libvirt.org              -o-
>> http://virt-manager.org :|
>> |: http://autobuild.org       -o-
>> http://search.cpan.org/~danberr/ :|
>> |: http://entangle-photo.org       -o-
>> http://live.gnome.org/gtk-vnc :|
>>
>
>
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