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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [HSW Regression]igt/kms_pipe_crc_basic causes "WARNING: CPU: 3 PID: 4309 at drivers/gpu/drm/i915/intel_pm.c:6174 check_power_well_state+0x69/0x6f [i915]()" sporadically"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80126#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [HSW Regression]igt/kms_pipe_crc_basic causes "WARNING: CPU: 3 PID: 4309 at drivers/gpu/drm/i915/intel_pm.c:6174 check_power_well_state+0x69/0x6f [i915]()" sporadically"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80126">bug 80126</a>
from <span class="vcard"><a class="email" href="mailto:ming.yao@intel.com" title="yaoming <ming.yao@intel.com>"> <span class="fn">yaoming</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=80126#c3">comment #3</a>)
<span class="quote">> (In reply to <a href="show_bug.cgi?id=80126#c2">comment #2</a>)
> > This bug unable to reproduce on latest
> > -nightly(ddbc288690cd888dd6f5629ccba9a2691a70b7b0)
>
> <a href="show_bug.cgi?id=80126#c0">comment #0</a> says "The fail rate about 1 out of 3." - I presume you tried
> multiple times. Resolving as fixed, please reopen if the problem persists.</span >
I tested 6 times on latest
drm-intel-nightly(4a3d32734bdcef6813b31f06a58430436e98711e), all passed.
[root@x-hsw27 tests]# ./kms_pipe_crc_basic --run-subtest
suspend-read-crc-pipe-A
IGT-Version: 1.7-ga16ebcc (x86_64) (Linux:
3.17.0-rc4_drm-intel-nightly_4a3d32_20140909+ x86_64)
rtcwake: wakeup from "mem" using /dev/rtc0 at Tue Sep 9 07:01:29 2014
suspend-read-crc-pipe-A: Testing connector VGA-1 using pipe A
Subtest suspend-read-crc-pipe-A: SUCCESS
[root@x-hsw27 tests]# dmesg -r|egrep "<[1-4]>"|grep drm
[root@x-hsw27 tests]#
[root@x-hsw27 tests]# uname -a
Linux x-hsw27 3.17.0-rc4_drm-intel-nightly_4a3d32_20140909+ #2276 SMP Tue Sep 9
11:32:56 CST 2014 x86_64 x86_64 x86_64 GNU/Linux</pre>
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