https://bugs.freedesktop.org/show_bug.cgi?id=71983
--- Comment #4 from Arek Ruśniak arek.rusi@gmail.com --- yep:) if i good understand word "bisect" here it is:
http://cgit.freedesktop.org/mesa/drm/commit/?id=ce8af454259279c14c44bcd32c42...
btw i try turn off tiling but without succes, gpu still crashes. Before this commit it works ok.