[libvirt] virsh sechedinfo/memtune with libvirt-0.8.8
Osier Yang
jyang at redhat.com
Mon Mar 28 05:39:49 UTC 2011
于 2011年03月28日 12:52, Zvi Dubitzky 写道:
> Sorry . I have'nt got an answer from the user's list .
>
> I have fedora14 installed with its standard libvirt-0.8.3. I can start
> VM
> using .xml files and also run: virsh schedinfo. the cgroup CPU
> controller is mounted and active . In fact I have the path to the Virtual
>
> machine : /dev/cgroup/cpu/libvirt/qemu/<vm name>
>
> I now upgraded to libvirt-0.8.8 from a tar ball ( configure , make , make
> install) . I rebooted , new libvirtd started . virsh is working ok
> (I can create a vm) except for the commands : schedinfo and memtune that
> e.g.
> say upon ' virsh schedinfo<vm name>'
>
> Scheduler : Unknown
> error: Requested operation is not valid: cgroup CPU controller is not
> mounted
>
> But the CPU controller is mounted because I have the path :
> /dev/cgroup/cpu/libvirt/qemu/ .
> What I am missing is the<vm_name> group which is not generated despite
> that the VM was generated ok by virsh create and I can access it.
>
> Any idea what is missing ?
AFAIK, it's some problem of libcgroup:
https://bugzilla.redhat.com/show_bug.cgi?id=640282
Guess following will work for you:
# cgclear
# cgconfigparser -l /etc/cgconfig.conf
Regards
Osier
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