Bug 80465

Please apply https://bugs.freedesktop.org/attachment.cgi?id=102162 and test it again.

(In reply to comment #1)
> Please apply https://bugs.freedesktop.org/attachment.cgi?id=102162 and test
> it again.

The Calltrace unable to reproduce with this patch. but the test was skipped.

Output:
[root@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@x-sgb3 tests]# dmesg|grep Call

Let's keep the all the "SNB runtime PM" bugs under the same bucket.

*** This bug has been marked as a duplicate of bug 80463 ***

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@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@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]

Which outputs were you using? Please attach the full dmesg file, booting with drm.debug=0xe and i915.mmio_debug=1

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@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@x-sgb4 tests]# dmesg -r|egrep "<[1-4]>"|grep drm
[root@x-sgb4 tests]#

(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@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@x-sgb4 tests]# dmesg -r|egrep "<[1-4]>"|grep drm
> [root@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)

(In reply to Paulo Zanoni from comment #7)
> (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@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@x-sgb4 tests]# dmesg -r|egrep "<[1-4]>"|grep drm
> > [root@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)

Yes, the bug unable to reproduce. It should be fixed.

Closing old verified.