Confirmed. "RenderAccel" "off" fixed video artifact problem on buttons and text (with Ubuntu Human theme) on radeon mobility 7500 with driver 'radeon' (video artifact problem also existed with 'ati' driver).
-- 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
