[libvirt] Information needed regarding libvirt error

[arun abhinay]

Hi Martin,

Thanks for your reply. We have tried applying the patch as mentioned in
link https://www.redhat.com/archives/libvir-list/2013-August/msg01246.html
but  we could still observe this issue.

Thanks
Abhinay

On Tue, Aug 27, 2013 at 10:04 AM, Martin Kletzander <mkletzan at redhat.com>wrote:

> On Tue 27 Aug 2013 09:21:44 AM CEST, arun abhinay wrote:
> > Hi Martin,
> >
> > Sorry for spamming. Forgot to ask in my eralier mail.
> >
> >>> There's also a patch
> >>> fixing cpu-stats command, check it that helps.
> >
> > Is the below patch which you were refering to.
> > https://www.redhat.com/archives/libvir-list/2013-June/msg00214.html
> > If not  can you provide the link for the patch which you were referring
> to.
> >
>
> I meant
> https://www.redhat.com/archives/libvir-list/2013-August/msg01246.html
>
> Martin
>
> > On Tue, Aug 27, 2013 at 9:08 AM, arun abhinay <arun.abhinay at gmail.com
> >wrote:
> >
> >> Hi Martin,
> >>
> >> Thanks for your reply. I have already posted this query to libvirt list.
> >> https://www.redhat.com/archives/libvirt-users/2013-August/msg00114.html
> >>
> >>>> Wanting to post the link here, I've found
> >>>> that even the machine name is the same, so it shouldn't be a problem
> for
> >>>> you to find it.
> >>
> >> Were you talking of the same link which is mentioned above.
> >>
> >> Since the change of converting it from error to warning was done by
> you, i
> >> have mailed a seperate query to you.  Yes we will make sure that such
> >> queries are addresed to libvirt user list from next time.
> >>
> >>>> This basically means that you have old qemu that doesn't support (I'm
> >>>> guesing the command now) "query-vcpus" QMP command.
> >>
> >> I have got below information from the file "qapi-schema.json" in qemu
> code.
> >> ##
> >> # @query-cpus:
> >> #
> >> # Returns a list of information about each virtual CPU.
> >> #
> >> # Returns: a list of @CpuInfo for each virtual CPU
> >> #
> >> # Since: 0.14.0
> >> ##
> >> { 'command': 'query-cpus', 'returns': ['CpuInfo'] }
> >> ##
> >>
> >> We were ealier using libvirt-1.0.2 and qemu-kvm-0.14.1-1, and the
> >> "cpu-stats" command was working fine. We are facing this issue after
> >> upgrading the libvirt version to 1.0.6.  But anyways it can be a problem
> >> with old qemu version. We are trying to compile the new libvirt 1.0.6
> with
> >> qemu-1.6.0 but we are facing some  compiling issues because of
> >> depedencies between latest qemu code with glib.
> >>
> >> Please let us know your comments. Thanks in advance.
> >>
> >> BR
> >> Abhinay
> >>
> >>
> >>
> >> On Tue, Aug 27, 2013 at 8:06 AM, Martin Kletzander <mkletzan at redhat.com
> >wrote:
> >>
> >>> [cc'ing libvir-list]
> >>>
> >>> On 08/26/2013 05:59 PM, arun abhinay wrote:
> >>>> Hi,
> >>>>
> >>>> Can you please consider this is an gentle reminder for my below
> request.
> >>>>
> >>>> Thanks
> >>>> Abhinay
> >>>>
> >>>> On Fri, Aug 23, 2013 at 1:01 PM, arun abhinay <arun.abhinay at gmail.com
> >>>> wrote:
> >>>>
> >>>>> Hi Martin/Peter,
> >>>>>
> >>>
> >>> Hi,
> >>>
> >>> firstly, feel free to write to the list, not just particular people.
> >>> There are many more people on the list that may help you.  Not
> >>> mentioning that those people you write might not be available, don't
> >>> have time etc.
> >>>
> >>> There was a similar question to the one you've asked, you could have
> >>> checked that out before as well and reply on it.  There's also a patch
> >>> fixing cpu-stats command, check it that helps.
> >>>
> >>>>> In reference to
> >>>>> http://comments.gmane.org/gmane.comp.emulators.libvirt/62451
> >>>>>
> >>>>> We have created a VM on a qemu-kvm emulator using the domain.xml as
> >>>>> mentioned in attachment. The starting of the VM is sucessful but we
> are
> >>>>> facing issue while executing the command "cpu-stats <domain>".  While
> >>>>> analysis we found below below log in libvirtd.log
> >>>>>
> >>>>> 2013-08-22 12:45:44.326+0000: 17554: warning :
> >>> qemuSetupCgroupForVcpu:953
> >>>>> : Unable to get vcpus' pids
> >>>>>
> >>>
> >>> This basically means that you have old qemu that doesn't support (I'm
> >>> guesing the command now) "query-vcpus" QMP command.  The problem
> >>> probably lies somewhere else, even though my change might have caused
> >>> the other part to behave differently.
> >>>
> >>>>> The complete logs while starting VM and while executing the
> "cpu-stats"
> >>>>> command are attached with this mail for reference. Can you please
> >>> check and
> >>>>> provide us some inputs or pointers to get "cpu-stats" command
> working.
> >>>>>
> >>>>> I am new to using libvirt. Your inputs would be of great help to us.
> >>>>>
> >>>>> Libvrit and qemu-kvm verisons used are mentioned below
> >>>>> libvirt-1.0.6-1
> >>>>> qemu-kvm-0.14.1-1
> >>>>>
> >>>>> <<CLA_new-0.xml >> --> Domain.xml used to define VM
> >>>>> << libvirt_testing_starting_VG.log >>  --> Log while staring VM
> >>>>> <<libvirt_testing_cpu_stats.log >>  ---> Log while executing command
> >>>>> cpu_stats.
> >>>>>
> >>>
> >>> According to the logs, it looks like it's completely the same like a
> >>> question already asked...  Wanting to post the link here, I've found
> >>> that even the machine name is the same, so it shouldn't be a problem
> for
> >>> you to find it.
> >>>
> >>> I'm looking  at the issue now, so I'll see what I can do, but maybe in
> >>> the meantime sombody else will reply.
> >>>
> >>> Martin
> >>>
> >>
> >>
> >
>
>
>
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