[Bug 80465] [SNB Regression]igt/pm_rpm subcases causes "WARNING: CPU: 2 PID: 3795 at drivers/gpu/drm/i915/intel_uncore.c:47 assert_device_not_suspended+0x39/0x3d [i915]()" sporadically

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=80465

Paulo Zanoni <przanoni at gmail.com> changed:

           What    |Removed                     |Added
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             Status|ASSIGNED                    |NEEDINFO

--- Comment #7 from Paulo Zanoni <przanoni at gmail.com> ---
(In reply to Guo Jinxian from comment #6)
> Created attachment 107856 [details]
> dmesg
> 
> (In reply to Paulo Zanoni from comment #5)
> > Which outputs were you using? Please attach the full dmesg file, booting
> > with drm.debug=0xe and i915.mmio_debug=1
> 
> I use VGA monitor for this testing. 
> 
> 
> [root at x-sgb4 tests]# ./pm_rpm --run-subtest modeset-non-lpsp-stress-no-wait
> IGT-Version: 1.8-ga0b5c6d (i686) (Linux:
> 3.17.0_drm-intel-nightly_2ea23c_20141015+ i686)
> Runtime PM support: 1
> PC8 residency support: 0
> Subtest modeset-non-lpsp-stress-no-wait: SUCCESS (1.974s)
> [root at x-sgb4 tests]# dmesg -r|egrep "<[1-4]>"|grep drm
> [root at x-sgb4 tests]#

The log file you sent does not have any WARNs. Is the bug fixed? Maybe you need
to increase the log buffer size through CONFIG_LOG_BUF_SHIFT? (I use
CONFIG_LOG_BUF_SHIFT=21)

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