Comment # 19 on bug 79980 from agapito

(In reply to comment #17)
> (In reply to comment #15)
> > This bug is caused by TAHITI_mc2.bin firmware. The old firmware works good.
> 
> Did you test a new kernel with the old firmware or an old kernel without the
> new firmware patch?  It could be some other change if you did the latter.

3.14 or 3.15 + New firmware = Crashes

3.14 or 3.15 + Old firmware = No problems!