I have the corrupted buttons on an IBM T40 with a Radeon Mobility M7 LW and the ati driver. I've only noticed it on the buttons, and it clears up when the mouse moves over them.
-- 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