I can no longer reproduce this issue on 13.04 after receiving an update to my Intel driver package:
apt-cache policy xserver-xorg-video-intel xserver-xorg-video-intel: Installed: 2:2.21.6-0ubuntu4 Candidate: 2:2.21.6-0ubuntu4 Version table: *** 2:2.21.6-0ubuntu4 0 500 http://mirror.anl.gov/pub/ubuntu/ raring/main amd64 Packages 100 /var/lib/dpkg/status -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1157114 Title: corruption making desktop unusable after docking/undocking To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/1157114/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs