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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - Radeonsi on Grenada cards (r9 390) exceptionally unstable and poorly performing"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91880#c178">Comment # 178</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - Radeonsi on Grenada cards (r9 390) exceptionally unstable and poorly performing"
href="https://bugs.freedesktop.org/show_bug.cgi?id=91880">bug 91880</a>
from <span class="vcard"><a class="email" href="mailto:petercottero@gmail.com" title="Andrea Zanoni <petercottero@gmail.com>"> <span class="fn">Andrea Zanoni</span></a>
</span></b>
<pre>I have the same issues with an MSI R9 390 running on a MSI Z170A GAMING M5
motherboard.
The only way I can even use the card, avoiding constant black screens and os
lockup, is to use the DPM Query service
(<a href="https://github.com/illwieckz/dpm-query/">https://github.com/illwieckz/dpm-query/</a>) and force the dpm level on "high" and
the state profile on "performance".
If I try to revert to the "low" level, I get this:
ERROR: card0/power_dpm_force_performance_level does not accept "low"</pre>
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