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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [IGT] [SKL/GLK/APL/BSW] kms_sysfs_edid_timing test assertion failure"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100047#c12">Comment # 12</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [IGT] [SKL/GLK/APL/BSW] kms_sysfs_edid_timing test assertion failure"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100047">bug 100047</a>
from <span class="vcard"><a class="email" href="mailto:marta.lofstedt@intel.com" title="Marta Löfstedt <marta.lofstedt@intel.com>"> <span class="fn">Marta Löfstedt</span></a>
</span></b>
<pre>I can reproduce this on BDW NUCi5, HDMI, drm-tip 4.12.0-rc7+:
(kms_sysfs_edid_timing:2081) DEBUG: card0-HDMI-A-2: mean.max 49731407.00ns,
49731.41us, 49.73ms, mean.avg 49258199.73ns, 49258.20us, 49.26ms
(kms_sysfs_edid_timing:2081) WARNING: card0-HDMI-A-2: probe time exceed 10ms,
max=49.73ms, avg=49.26ms
(kms_sysfs_edid_timing:2081) DEBUG: card0-DP-1: mean.max 78682600.00ns,
78682.60us, 78.68ms, mean.avg 78413307.60ns, 78413.31us, 78.41ms
(kms_sysfs_edid_timing:2081) WARNING: card0-DP-1: probe time exceed 10ms,
max=78.68ms, avg=78.41ms
(kms_sysfs_edid_timing:2081) CRITICAL: Test assertion failure function
__real_main40, file kms_sysfs_edid_timing.c:92:
(kms_sysfs_edid_timing:2081) CRITICAL: Failed assertion: mean.mean <
(THRESHOLD_TOTAL * 1e6)
(kms_sysfs_edid_timing:2081) CRITICAL: card0-DP-1: average probe time exceeded
50ms, max=78.68ms, avg=78.41ms
Also, if I increase THRESHOLD_TOTAL to 100ms the test pass.
The only reasoning behind the 50ms THRESHOLD_TOTAL in the test, is in the test
description ""So let's just check for some reasonable timing here"
Clinto if you can argue for a longer THRESHOLD_TOTAL please send up a patch and
discuss on the list.</pre>
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