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<body><span class="vcard"><a class="email" href="mailto:R.Palmer@bham.ac.uk" title="R.Palmer@bham.ac.uk">R.Palmer@bham.ac.uk</a>
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<a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [NVD9] Hangs under load with ![ PFIFO][0000:01:00.0] unhandled status 0x00800000"
href="https://bugs.freedesktop.org/show_bug.cgi?id=71659">bug 71659</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">CC</td>
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<td>jano.vesely@gmail.com
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [NVD9] Hangs under load with ![ PFIFO][0000:01:00.0] unhandled status 0x00800000"
href="https://bugs.freedesktop.org/show_bug.cgi?id=71659#c8">Comment # 8</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [NVD9] Hangs under load with ![ PFIFO][0000:01:00.0] unhandled status 0x00800000"
href="https://bugs.freedesktop.org/show_bug.cgi?id=71659">bug 71659</a>
from <span class="vcard"><a class="email" href="mailto:R.Palmer@bham.ac.uk" title="R.Palmer@bham.ac.uk">R.Palmer@bham.ac.uk</a>
</span></b>
<pre>This bug seemed to become harder to trigger when I installed git-as-of-Oct-26,
then easier again when I installed git-as-of-Nov-14, but given that this change
seemed to persist after returning to 3.11 (suggesting a left-behind
configuration change) and the general randomness of the bug, this would not
give a reliable bisection (so the date mismatch doesn't rule out #71662 being
the same bug).
In 3.8.0 the same symptoms occur but the log message is
nouveau ![ PFIFO][0000:01:00.0] unhandled status 0x01000000
I suspect (but have not tested) that this change was
<a href="http://cgit.freedesktop.org/nouveau/linux-2.6/commit/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c?id=32256c87ead3edec86bed5023a0ff96a6d907931">http://cgit.freedesktop.org/nouveau/linux-2.6/commit/drivers/gpu/drm/nouveau/core/engine/fifo/nvc0.c?id=32256c87ead3edec86bed5023a0ff96a6d907931</a>
,i.e. this error was what is now the warning.
Is 0x00800000 unhandled because it is an inherently fatal error, or because
nobody outside Nvidia knows what it means?
<a href="https://github.com/envytools/envytools/blob/master/hwdocs/fifo/nvc0-pfifo.rst">https://github.com/envytools/envytools/blob/master/hwdocs/fifo/nvc0-pfifo.rst</a>
is a contentless stub.</pre>
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