This has something to do with the xorg-edgers PPA (note, that also the bug reporter used it).
-- Black border in the notifications when effects are turned off https://bugs.launchpad.net/bugs/654921 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
