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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BAT][BSW] igt@kms_pipe_crc_basic@suspend-read-crc-pipe-b hung in CI"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100989#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [BAT][BSW] igt@kms_pipe_crc_basic@suspend-read-crc-pipe-b hung in CI"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100989">bug 100989</a>
from <span class="vcard"><a class="email" href="mailto:martin.peres@free.fr" title="Martin Peres <martin.peres@free.fr>"> <span class="fn">Martin Peres</span></a>
</span></b>
<pre>(In reply to krisman from <a href="show_bug.cgi?id=100989#c1">comment #1</a>)
<span class="quote">> (In reply to Martin Peres from <a href="show_bug.cgi?id=100989#c0">comment #0</a>)
> > On CI_DRM_2600, the machine fi-bsw-n3050 hung on
> > igt@kms_pipe_crc_basic@suspend-read-crc-pipe-b.
> >
> > This may be related to the thousands of "[drm:intel_dp_aux_ch [i915]]
> > dp_aux_ch timeout status 0x71450064" found in the logs.
> >
> > Full logs:
> > <a href="https://intel-gfx-ci.01.org/CI/CI_DRM_2600/fi-bsw-n3050/">https://intel-gfx-ci.01.org/CI/CI_DRM_2600/fi-bsw-n3050/</a>
> > igt@<a href="mailto:kms_pipe_crc_basic@suspend-read-crc-pipe-b.html">kms_pipe_crc_basic@suspend-read-crc-pipe-b.html</a>
>
> The hpd task is completing ok as far as I understand. we can try the patch
> that I mentioned in <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [SNB][IVB][BAT] kms_cursor_legacy@basic-busy-flip-before-cursor-atomic fails in CI"
href="show_bug.cgi?id=100215">Bug 100215</a> to see if it helps[1] but I don't think it
> will fix it. </span >
Our system already tested it and found it was fixing the issue:
<a href="https://patchwork.freedesktop.org/series/23299/">https://patchwork.freedesktop.org/series/23299/</a>
But I guess you meant that we should apply it permanently. The only way to do
this is to get it upstream :)
<span class="quote">> Did the system hard hanged or just the IGT task? Also did it
> get back from the suspend? </span >
The system hard-hanged or at least could not be reached from the network after
resume, and the controller could not read the results anymore
(<a href="https://intel-gfx-ci.01.org/CI/CI_DRM_2600/fi-bsw-n3050/igt.log">https://intel-gfx-ci.01.org/CI/CI_DRM_2600/fi-bsw-n3050/igt.log</a>).
<span class="quote">> I think I saw some hangs while reading CRC that
> I couldn't reproduce anymore on SNB or SKLs (not sure), I'll give it another
> try.</span >
Thanks for looking into it!</pre>
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