https://bugs.freedesktop.org/show_bug.cgi?id=45018
--- Comment #57 from Alexandre Demers alexandre.f.demers@gmail.com 2012-06-03 18:26:12 PDT --- Now running kernel 3.5-rc1 with latest mesa, drm, ddx and still locking the GPU. As always, easy to reproduce by running piglit r600 tests.