Maybe this is related to bug #1485727. In both cases thare are graphics corruptions when changing the screen size. Alan can you try the patch?
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1421575 Title: Desktop corruption when changing monitor config To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/1421575/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs