[Bug 80463] [SNB Regression]igt/pm_rpm subcases causes " WARNING: CPU: 1 PID: 3789 at drivers/gpu/drm/i915/intel_display.c:10259 intel_modeset_check_state+0x3c6/0x56f [i915]()" sporadically

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=80463

--- Comment #5 from Paulo Zanoni <przanoni at gmail.com> ---
(In reply to comment #4)
> (In reply to comment #3)
> > Created attachment 102162 [details] [review] [review]
> > Possible fix
> > 
> > Can you please apply this patch and retest?
> 
> The Calltrace unable to reproduce with this patch. but the test was skipped.
> 
> Output:
> [root at x-sgb3 tests]# ./pm_rpm --run-subtest modeset-non-lpsp-stress-no-wait
> IGT-Version: 1.7-g67e29a3 (x86_64) (Linux:
> 3.15.0-rc8_kcloud_152811_20140703+ x86_64)
> Runtime PM support: 1
> PC8 residency support: 0
> Test requirement not met in function modeset_subtest, file pm_rpm.c:764:
> Last errno: 2, No such file or directory
> Test requirement: (!(enable_one_screen_with_type(&ms_data, type)))
> Subtest modeset-non-lpsp-stress-no-wait: SKIP
> [root at x-sgb3 tests]# dmesg|grep Call

Did you make sure you redid the test with the same outputs connected? Which
outputs are you using?

I can't imagine why this test would start skipping without a change on the
machine.

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