[Bug 58354] [bisected] r600g: use DMA engine for VM page table updates on cayman locks in Unigine Tropics

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=58354

--- Comment #21 from Alexandre Demers <alexandre.f.demers at gmail.com> ---
(In reply to comment #19)
> (In reply to comment #18)
> > Created attachment 72794 [details] [review] [review]
> > possible fix
> > 
> > Does this kernel patch help?
> 
> No. I was able to catch something in errors.log and kernel.log though. I'm
> attaching the truncated file in a few seconds. I hit a GPU fault.
> 
> I'll do the same test without the patch to know if it is related or not.

Just to let you know, it does the same thing either I apply the patch or not,
even with today's latest kernel git. I just have to prepare to launch Tropics,
connect through ssh from my tablet, launch Tropics and when it freezes, call
dmesg from the tablet. Then, I'll have the GPU faults logged in my different
log files.

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