reducing color depth helped for me, too. attaching my new xorg.conf with relatively minimal modifications.
** Attachment added: "xorg.conf" http://launchpadlibrarian.net/36538838/xorg.conf -- (32MB) certain windows drawn garbled when XAA is used https://bugs.launchpad.net/bugs/426582 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