"RenderAccel" "off" did the trick for me as well, though it made a few games quite slow (Frozen-Bubble, Battle of Wesnoth).
-- Cairo and ATI RENDER extension cause scrambled buttons in UbuntuLooks https://launchpad.net/bugs/34435 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
