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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [NVE4] 660 Ti Random GPU lockups"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95031#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [NVE4] 660 Ti Random GPU lockups"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95031">bug 95031</a>
from <span class="vcard"><a class="email" href="mailto:lucasout@gmail.com" title="Lucas Ribeiro <lucasout@gmail.com>"> <span class="fn">Lucas Ribeiro</span></a>
</span></b>
<pre>OK, some interesting findings.
07 pstate on Linux has:
core 324 MHz memory 648 MHz AC DC
GPU core: +0.99 V
Increasing GPU core voltage to 1.09V has wielded a stable system so far.
On Windows, the idle state has (checked with gpu-z):
core 324 MHz memory 162MHz
GPU core voltage: 0.99V
It has never managed to hang.
So maybe 07 pstate on Linux has a memory clock too high for its voltage. Also,
as it is the lowest pstate, maybe memory clock could be reduced further to
162MHz (as in Windows).</pre>
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