https://bugs.freedesktop.org/show_bug.cgi?id=89069
--- Comment #12 from smoki smoki00790@gmail.com ---
Daniel i forget to mention most important thing :D you can disable rendering of grass/flowers/etc... in that game, there is an option called 'Render Crumbs' disable that and you are fine.
Do you still have GPU faults on SI if you disable that?