I recently switched over from 12.10 to 12.04 LTS and experience the exact same issue there. seemingly at random this happens and is only fixed by a full reboot.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1074221 Title: Graphical artifacts on playback controls (ivybridge) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/indicator-sound/+bug/1074221/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
