This might help: http://lists.freedesktop.org/archives/intel-gfx/2015-April/063988.html
Although this bug seems to be gone since the end of 2014... hopefully.
This might help: lists.freedeskt op.org/ archives/ intel-gfx/ 2015-April/ 063988. html
http://
Although this bug seems to be gone since the end of 2014... hopefully.