Comment 4 for bug 924281

When I deployed the mysql charm, cgroup-lite failed to start in the lxc instance.

root 21536 0.0 0.0 21168 1032 ? Ss 06:57 0:00 lxc-start --daemon -n jian-local-machine-1 -c /var/lib/juju/containers/jian-local-machine-1/console.log -o /var/lib/juju/containers/jian-local-machine-1/container.log -l DEBUG

ubuntu@jian-local-machine-1:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 12.04.3 LTS
Release: 12.04
Codename: precise

ubuntu@jian-local-machine-1:~$ uname -a
Linux jian-local-machine-1 3.5.0-42-generic #65~precise1-Ubuntu SMP Wed Oct 2 20:57:18 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

ubuntu@jian-local-machine-1:~$ sudo cat /var/log/upstart/cgroup-lite.log
mount: block device cgroup is write-protected, mounting read-only
mount: cannot mount block device cgroup read-only
umount: cpuset: not mounted
mount: block device cgroup is write-protected, mounting read-only
mount: cannot mount block device cgroup read-only
umount: cpuset: not mounted
mount: block device cgroup is write-protected, mounting read-only
mount: cannot mount block device cgroup read-only
umount: cpuset: not mounted
mount: block device cgroup is write-protected, mounting read-only
mount: cannot mount block device cgroup read-only
umount: cpuset: not mounted