https://bugzilla.kernel.org/show_bug.cgi?id=42412
--- Comment #2 from Chris Vine chris@cvine.freeserve.co.uk 2012-08-31 08:34:09 --- I think it was fixed in a later 3.1-rc version, although just at the moment I don't have the machine with this video card available to me. At any rate, the bug was fixed by the time 3.2 came out.