could be a compiz bug, if you trigger the issue again and ssh to the box look if some processus is eating cpu
-- adding "sudo" before command in launcher in gnome panel freezes X session https://bugs.launchpad.net/bugs/253504 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
