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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - AMD Navi GPU frequent freezes on both Manjaro/Ubuntu with kernel 5.3 and mesa 19.2 -git/llvm9"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111481#c133">Comment # 133</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - AMD Navi GPU frequent freezes on both Manjaro/Ubuntu with kernel 5.3 and mesa 19.2 -git/llvm9"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111481">bug 111481</a>
from <span class="vcard"><a class="email" href="mailto:shtetldik@gmail.com" title="Shmerl <shtetldik@gmail.com>"> <span class="fn">Shmerl</span></a>
</span></b>
<pre>(In reply to Jaap Buurman from <a href="show_bug.cgi?id=111481#c132">comment #132</a>)
>
<span class="quote">> I am beginning to suspect that RadeonSI might be to blame instead of the
> AMDGPU kernel driver. Does anyone agree with that notion?</span >
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:
<a href="https://gitlab.freedesktop.org/mesa/mesa/blob/master/src/amd/compiler/README">https://gitlab.freedesktop.org/mesa/mesa/blob/master/src/amd/compiler/README</a>
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:
<a href="https://gitlab.freedesktop.org/mesa/mesa/issues/1910">https://gitlab.freedesktop.org/mesa/mesa/issues/1910</a></pre>
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