(In reply to dwagner from comment #28)
> (In reply to Michel Dänzer from comment #27)
> > That could be a Mesa issue, anyway it should probably be tracked separately
> > from this report.
> 
> Created separate bug report
> https://bugs.freedesktop.org/show_bug.cgi?id=107152
> 
> (If that is a Mesa issue, no more than user processes / X11 should have
> crashed - but not the kernel amdgpu driver... right?)

Not exactly, MESA could create a bad request (faulty GPU address) which would
lead to this. It can even be triggered on purpose using a debug flag from MESA.