I'd like to confirm this problem also, with a new feisty beta installation. Adding "XAANoOffscreenPixmaps" to xorg.conf fixed my problem as well.
Using oss ati drivers on an ati radeon igp. -- desktop-effects doesn't start compiz correctly https://launchpad.net/bugs/80734 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
