Re: [libvirt] failed to mount cgroup

On Tue, Mar 05, 2013 at 05:29:02PM +0800, Gao feng wrote: > On 2013/03/05 14:43, Yin Olivia-R63875 wrote: >> Hi, >> >> I tried to run libvirt-1.0.2 with LXC as below, but it failed to mount cgroup. >> > > You should change your cgroup configuration as below > cgroup on /sys/fs/cgroup/cpuset type cgroup (rw,nosuid,nodev,noexec,relatime,cpuset) > cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (rw,nosuid,nodev,noexec,relatime,cpuacct,cpu) > cgroup on /sys/fs/cgroup/memory type cgroup (rw,nosuid,nodev,noexec,relatime,memory) > cgroup on /sys/fs/cgroup/devices type cgroup (rw,nosuid,nodev,noexec,relatime,devices) > cgroup on /sys/fs/cgroup/freezer type cgroup (rw,nosuid,nodev,noexec,relatime,freezer) > cgroup on /sys/fs/cgroup/net_cls type cgroup (rw,nosuid,nodev,noexec,relatime,net_cls) > cgroup on /sys/fs/cgroup/blkio type cgroup (rw,nosuid,nodev,noexec,relatime,blkio) > cgroup on /sys/fs/cgroup/perf_event type cgroup (rw,nosuid,nodev,noexec,relatime,perf_event) > > Libvirt lxc doesn't support configure cgroup as you did below now. Why? IIRC old systems mount cgroup at /cgroup by default. This means libvirt lxc has backward compatibility on supporting cgroup?

And, in the case can libvirt lxc give a user-friendly message to user about what user can do?