After mounting cgroup on /dev/cgroup the warning message disappeared. /etc/fstab: cgroup /dev/cgroup cgroup defaults 0 0
installed: ii libvirt-bin 0.7.5-5ubuntu27 the programs for the libvirt library ii lxc 0.6.5-1 Linux containers userspace tools -- Unable to create cgroup for driver: No such device or address https://bugs.launchpad.net/bugs/544146 You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to libvirt in ubuntu. -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs