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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - R9 290 low performance in Linux 4.7"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97260#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - R9 290 low performance in Linux 4.7"
href="https://bugs.freedesktop.org/show_bug.cgi?id=97260">bug 97260</a>
from <span class="vcard"><a class="email" href="mailto:alexdeucher@gmail.com" title="Alex Deucher <alexdeucher@gmail.com>"> <span class="fn">Alex Deucher</span></a>
</span></b>
<pre>Unfortunately, none of the power management code for these asics changed during
that time period, so nothing jumps out as a likely culprit. Did you also
change your mesa stack or firmware in that time period? With everything else
the same, does the issue go away when using an older kernel? If so, any chance
you could narrow it down which kernels have the issue vs. not?</pre>
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