Seems to be this: http://www.mail-archive.com/ubuntu-bugs@lists.ubuntu.com/msg1925766.html
-- Keyboard volume control display corrupt https://bugs.launchpad.net/bugs/495459 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
