Comment 37 for bug 1236653

(In reply to comment #28)
> I just had:
> [155147.011667] [drm] stuck on bsd ring
> [155147.012432] [drm:i915_set_reset_status] *ERROR* bsd ring hung inside bo
> (0x11d6c000 ctx 0) at 0x11d6c2cc
> with mesa 10 (with fixes from comment #20)...
> It's happened only twice in two days...

You may have the same issue that I have...see
https://bugs.freedesktop.org/show_bug.cgi?id=71276