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Re: [Libcg-devel] [libvirt]: Not able to login to container when cgroup is enabled



On Wed, Oct 14, 2009 at 06:07:26AM +0900, Ryota Ozaki wrote:
> Hi Rishikesh,
> 
> On Tue, Oct 13, 2009 at 3:09 PM, Rishikesh <risrajak linux vnet ibm com> wrote:
> > Rishikesh wrote:
> 
> > Cgroup config file & controllers mount shows like this :
> > [root mhs21a ~]# cat /proc/mounts | grep cgroup
> > cgroup /cgroups/cpu cgroup rw,relatime,cpu 0 0
> > cgroup /cgroups/cpuacct cgroup rw,relatime,cpuacct 0 0
> > cgroup /cgroups/memory cgroup rw,relatime,memory 0 0
> 
> AFAIW, libvirt requires "device" subsystem of cgroups as well.
> Without it, an assistant subprocess of libvirtd will die soon.

Ahh, thanks for remmebering that - I had completely forgotten. We should
add a check to libvirt so that  it gives back a useful error message if
the device controller is missing.

Daniel
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