https://bugs.freedesktop.org/show_bug.cgi?id=54527
--- Comment #1 from Michel Dänzer michel@daenzer.net 2012-09-05 08:24:39 UTC --- Likely fixed by https://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdi... , which should be on its way to the 3.5 stable tree as well.