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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BAT][CTG] igt@kms_pipe_crc_basic@suspend-read-crc-pipe-* tests take 4x longer than expected"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101074#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [BAT][CTG] igt@kms_pipe_crc_basic@suspend-read-crc-pipe-* tests take 4x longer than expected"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101074">bug 101074</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>Looks to be a core issue:
Good
[ 692.066239] Suspended for 16.027 seconds
[ 692.066239] Enabling non-boot CPUs ...
[ 692.066239] x86: Booting SMP configuration:
[ 692.066493] smpboot: Booting Node 0 Processor 1 APIC 0x1
[ 692.065884] Disabled fast string operations
[ 692.473002] cache: parent cpu1 should not be sleeping
[ 692.576576] CPU1 is up
Bad
[ 694.716026] Suspended for 15.789 seconds
[ 694.716026] Enabling non-boot CPUs ...
[ 694.716026] x86: Booting SMP configuration:
[ 694.716026] smpboot: Booting Node 0 Processor 1 APIC 0x1
[ 694.715245] Disabled fast string operations
[ 749.656665] perf: interrupt took too long (19602 > 19486), lowering
kernel.perf_event_max_sample_rate to 10000
[ 779.491744] cache: parent cpu1 should not be sleeping
[ 780.651986] CPU1 is up</pre>
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