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<body><span class="vcard"><a class="email" href="mailto:haagch@frickel.club" title="Christoph Haag <haagch@frickel.club>"> <span class="fn">Christoph Haag</span></a>
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<a class="bz_bug_link
bz_status_NEW "
title="NEW - RX 560x is very slow"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111240">bug 111240</a>
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<td>haagch@frickel.club
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - RX 560x is very slow"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111240#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - RX 560x is very slow"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111240">bug 111240</a>
from <span class="vcard"><a class="email" href="mailto:haagch@frickel.club" title="Christoph Haag <haagch@frickel.club>"> <span class="fn">Christoph Haag</span></a>
</span></b>
<pre>Created <span class=""><a href="attachment.cgi?id=144944" name="attach_144944" title="moment of performance drop">attachment 144944</a> <a href="attachment.cgi?id=144944&action=edit" title="moment of performance drop">[details]</a></span>
moment of performance drop
I have the same laptop so I tried it and there is actually an interesting
effect, see attached screenshot.
At first performance is quite good, but at some point during the benchmark,
performance and GPU usage suddenly drops a lot.
The performance then stays low permanently, even when restarting the benchmark,
after waiting for the dgpu get shutdown by runpm.
Maybe I'll take a closer look later with more gallium hud graphs and maybe umr
--top, but for now I'll just leave a comment here confirming that there is an
issue.
Also loading the benchmark seems to take much longer after the performance drop
happens, which seems very suspicious.
Tested on Arch with mesa 19.1.3, Linux 5.1, 5.2 and 5.3-rc2. Happens on all
three kernel versions.</pre>
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