https://bugs.freedesktop.org/show_bug.cgi?id=44800
--- Comment #12 from Marko Kohtala marko.kohtala@gmail.com 2012-08-14 15:44:40 UTC --- I have also tried booting in BIOS mode using Ubuntu 12.04 live USB. It does not help.
The board is "New P67 B3 Revision".
I have since upgraded to BIOS 3602. Same problem is still there.
I've followed kernels now to 3.5. I will try patches mentioned in comment 10 once I get the spare time to upgrade to 3.5.1.
Thank you for your comments.