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<body><span class="vcard"><a class="email" href="mailto:krisman@collabora.co.uk" title="krisman@collabora.co.uk">krisman@collabora.co.uk</a>
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<a class="bz_bug_link
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title="ASSIGNED - [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>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>NEW
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<td>ASSIGNED
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<b><a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - [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#c10">Comment # 10</a>
on <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - [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:krisman@collabora.co.uk" title="krisman@collabora.co.uk">krisman@collabora.co.uk</a>
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<pre>(In reply to Petri Latvala from <a href="show_bug.cgi?id=100989#c9">comment #9</a>)
<span class="quote">> The test is doing some suboptimal things. It first does the suspend/resume
> cycle, and then checks if the tested pipe has valid connectors, so it will
> suspend anyway even when it will skip.</span >
For the record, I submitted a patch to address the issue with the test
suspending before skipping. Petri already reviewed and pushed to igt.
31f71d62d5ff ("igt/kms_pipe_crc_basic: Skip test before system suspend")
<span class="quote">> In the case of CI_DRM_2699, there were about 3 successful suspend/resumes
> before suspend-read-crc-pipe-b came along where the DUT never recovered from
> the suspend. The point being here that it's the suspend/resume that jams,
> not this particular subtest.</span >
Agreed. The issue is more related to the recovery of the suspend than the
read_crc itself. Just need to mention, though, that bsw-n3050 has connectors
attached, as well as VGA, meaning that it's not a case where my patch will make
igt skip.
We are also discussing on the list a way to reduce the overhead provoked by the
thousands of dp_aux_ch timeout messages below:
[drm:intel_dp_aux_ch [i915]] dp_aux_ch timeout status 0x71450064</pre>
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