https://bugs.freedesktop.org/show_bug.cgi?id=52467
--- Comment #12 from Chris bensenq@163.com --- I believe kernel-3.8 and 3.11 already have these patches, but it looks like doesn't work.
(In reply to comment #5)
I would consider having a look at bug 43655, it might be related. Could you try workaround proposed in comment 8 (bug 43655#c8) or comment 13 (bug 43655#c13)?