[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

Guo Jinxian <jinxianx.guo at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|DUPLICATE                   |---

--- Comment #4 from Guo Jinxian <jinxianx.guo at intel.com> ---
On latest -nightly(2ea23cd593ba60ead60e2f796fae675aa4475b1a), the failure still
able to reproduce after bug 80463 verified while running tests below:

igt/pm_rpm/pci-d3-state
igt/pm_rpm/rte
igt/pm_rpm/universal-planes-dpms


root at x-byt06:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./pm_rpm
--run-subtest universal-planes-dpms
IGT-Version: 1.8-gca6b63f (x86_64) (Linux:
3.17.0_drm-intel-nightly_2ea23c_20141014_debug+ x86_64)
Runtime PM support: 1
PC8 residency support: 0
Subtest universal-planes-dpms: SUCCESS (27.742s)
root at x-byt06:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# dmesg -r|egrep
"<[1-4]>"|grep drm
<4>[ 4998.011746]  [<ffffffffa000f5fb>] drm_release+0x26c/0x429 [drm]
<4>[ 4998.011840] WARNING: CPU: 1 PID: 25968 at
drivers/gpu/drm/i915/intel_uncore.c:47 assert_device_not_suspende              
                                                              d+0x4b/0x4d
[i915]()
<4>[ 4998.011847] Modules linked in: dm_mod iTCO_wdt iTCO_vendor_support
snd_hda_codec_hdmi snd_hda_codec_realtek                                       
                                      snd_hda_codec_generic snd_hda_intel
pcspkr serio_raw snd_hda_controller snd_hda_codec snd_hwdep lpc_ich i2c_i801   
                                                                         
mfd_core snd_pcm snd_timer snd soundcore iosf_mbi battery ac acpi_cpufreq i915
button video drm_kms_helper drm c                                              
                              fbfillrect cfbimgblt cfbcopyarea
<4>[ 4998.011904] CPU: 1 PID: 25968 Comm: pm_rpm Tainted: G        W     
3.17.0_drm-intel-nightly_2ea23c_2014101                                        
                                    4_debug+ #488
<4>[ 4998.012499]  [<ffffffffa002507f>] ? drm_modeset_lock+0x95/0xbc [drm]
<4>[ 4998.012520]  [<ffffffffa0018d1c>] drm_mode_set_config_internal+0x57/0xe4
[drm]
<4>[ 4998.012541]  [<ffffffffa0018f38>] drm_framebuffer_remove+0x7f/0xff [drm]
<4>[ 4998.012562]  [<ffffffffa001d07f>] drm_fb_release+0x7a/0x9e [drm]
<4>[ 4998.012580]  [<ffffffffa000f5fb>] drm_release+0x26c/0x429 [drm]

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