[Bug 111481] AMD Navi GPU frequent freezes on both Manjaro/Ubuntu with kernel 5.3 and mesa 19.2 -git/llvm9

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111481

--- Comment #133 from Shmerl <shtetldik at gmail.com> ---
(In reply to Jaap Buurman from comment #132)
>
> I am beginning to suspect that RadeonSI might be to blame instead of the
> AMDGPU kernel driver. Does anyone agree with that notion?

That's my suspicion as well, since I haven't gotten any hangs so far with
radv/llvm or radv/aco when playing games, especially after aco added several
GPU hazard mitigations for Navi:

https://gitlab.freedesktop.org/mesa/mesa/blob/master/src/amd/compiler/README

I wonder if the above hangs are related to similar GPU hardware bugs in Navi,
that weren't yet worked around in radeonsi.

I even opened one bug like that, but closed it due to assuming it's really
amdgpu problem. Not sure if I should re-open it:

https://gitlab.freedesktop.org/mesa/mesa/issues/1910

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