I think this is related to: https://bugs.freedesktop.org/show_bug.cgi?id=8918 & https://bugs.freedesktop.org/show_bug.cgi?id=4488
-- missing some refresh when playing a video https://launchpad.net/bugs/73471 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
