Seems like this could be related to https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/426546
-- Compiz freezes screen after resuming from suspend https://bugs.launchpad.net/bugs/425357 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