I forgot to mention that since the outcome was the same, I've changed lxc.mount.entry = /var/lib/lxc/php4/rootfs /var/lib/lxc/php4/mnt none bind 0 0 lxc.rootfs = /var/lib/lxc/php4/mnt with lxc.rootfs = /var/lib/lxc/php4/rootfs