Both the sluggish-ness and the screen corruption disappeared for me after upgrading to the 2.6.31-14-generic kernel and xserver-xorg-video- intel version 2:2.9.0-1ubuntu2.
-- Sluggish performance on Intel video card https://bugs.launchpad.net/bugs/421232 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-b...@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs -- universe-bugs mailing list universe-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/universe-bugs