I also get this issue. I thought it was connected to updating but not restarting, as it occurs when I allow updates. I didn't relate it to sleeping or screen locking as I do that all the time but the issue is not there all the time.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1292830 Title: Resuming from sleep makes black borders around windows appear To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/1292830/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
