I notice this patch which fixes something that sounds vaguely similar: http://gitweb.freedesktop.org/?p=xorg/xserver.git;a=commitdiff;h=265a633cf1fcbf497d6916d9e22403dffdde2e07
-- Alternate install of Tribe-4 corrupts video display when installing packages https://bugs.launchpad.net/bugs/127008 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs