https://bugs.freedesktop.org/show_bug.cgi?id=50655
--- Comment #64 from Andy Furniss lists@andyfurniss.entadsl.com --- (In reply to comment #56)
Created attachment 75331 [details] [review] simple fix
Just this patch alone seems to fix the issue here.
I can still lockup with this and 0004.
It took longer with 0004 and generally llvm seems to take longer to lock than R600_LLVM=0.
Will try the new patch.