(In reply to Michel Dänzer from comment #1) > Matt, any ideas offhand? > > Arek, can you attach the stderr output from running the game with the > environment variable > > R600_DEBUG=fs,vs,gs,ps,cs,tcs,tes > > with and without the commit in question? For obtaining the hanging shader, setting GALLIUM_DDEBUG=800 and attaching the created log file is better. The issue would have been pretty obvious from that.