Comment # 35 on bug 1028575 from Ismail Donmez

(In reply to Mircea Kitsune from comment #34)
> Once again, I'm dealing with at least one system crash per day. The latest
> one happens even after upgrading to the 4.11.0 Kernel, meaning the error was
> ported to it as well.

I understand your frustration but basically logs show that you are getting
random GPU lockups, searching Google for "radeon r7 370 lockup" shows a lot of
results even from Windows. So at this point I believe this might be a hardware
problem.