This upgrade came through today: xserver-xorg-video-intel, version 2:2.4.1-1ubuntu6.
It solves the Pipe-A problem (setting not required in xorg anymore). I've managed to solve screen corruption with the folowing options (found in some earlier bugreports on this issue): Option "AccelMethod" "exa" Option "MigrationHeuristic" "greedy" Option "ExaNoComposite" "true" -- [Gutsy, Hardy] Black screen with mouse pointer on i830, intel driver https://bugs.launchpad.net/bugs/207881 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs