After reading through the thread on the steam community page, a user reported that he could play the game without blackscreens or kernel panics. Link to post: http://steamcommunity.com/app/65980/discussions/0/626329820749233064/?tscn=1419181869#c626329820924042305 I upgraded my current Mesa install with another one compiled with LLVM 3.6, which got rid of the lockups