[Bug 556315] Re: problem with operations on qemu/kvm guest

[Serge Hallyn]

This appears to be a devices cgroup problem.  Are you using libcgroup?  If
so can you give is the contents of /etc/cgconfig.conf?

Can you look through /var/log/libvirt/qemu/ for any meaningful error
messages?

Also please give us the output of
	cat /proc/mounts
	cat /proc/cgroups
and just for a baseline
	cat /proc/self/cgroup
	for p in `pidof qemu`; do
		cat /proc/$p/cgroup
	done
	for p in `pidof kvm`; do
		cat /proc/$p/cgroup
	done

Finally, /etc/libvirt/qemu.conf will control how it tries to
use cgroups, so please paste the contents of that file.  As a
workaround, you should be able to try putting:

cgroup_controllers = [ ]

in /etc/libvirt/qemu.conf, to keep libvirt from using cgroups at
all.


** Changed in: libvirt (Ubuntu)
       Status: New => Incomplete

-- 
problem with operations on qemu/kvm guest
https://bugs.launchpad.net/bugs/556315
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