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Re: [libvirt] virsh sechedinfo/memtune with libvirt-0.8.8



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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