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
Summary: [SNB Regression]igt/pm_rpm subcases causes "WARNING: CPU: 2 PID: 3795 at driv...
Status: CLOSED FIXED
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: unspecified
Hardware: Other All
: high normal
Assignee: Paulo Zanoni
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2014-06-24 09:14 UTC by Guo Jinxian
Modified: 2017-10-06 14:37 UTC (History)
2 users (show)

See Also:
i915 platform:
i915 features:


Attachments
dmesg (126.21 KB, text/plain)
2014-06-24 09:14 UTC, Guo Jinxian
no flags Details
dmesg (125.75 KB, text/plain)
2014-10-15 08:29 UTC, Guo Jinxian
no flags Details

Description Guo Jinxian 2014-06-24 09:14:02 UTC
Created attachment 101658 [details]
dmesg

==System Environment==
--------------------------
Regression: Yes. 
The fail rate is about 1 out of 3
I unable to find good commit

Non-working platforms: SNB

==kernel==
--------------------------
origin/drm-intel-nightly: 794975a476b0b5e16d04ed1e5d082b9e2b54b4fb(fails)
    drm-intel-nightly: 2014y-06m-23d-10h-38m-48s integration manifest
origin/drm-intel-next-queued: 9c33baa6b3bbb01c1a88dceba986b20e6642cf31(fails)
    drivers/i915: Fix unnoticed failure of init_ring_common()    
origin/drm-intel-fixes: bfafe93a1cd466ef318b7e5f6c65f59aee147791(fails)
    drm/i915: cache hw power well enabled state

==Bug detailed description==
-----------------------------
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 

Case list:
igt/pm_rpm/modeset-non-lpsp-stress
igt/pm_rpm/modeset-non-lpsp-stress-no-wait
igt/pm_rpm/modeset-stress-extra-wait
igt/pm_rpm/pci-d3-state
igt/pm_rpm/reg-read-ioctl
igt/pm_rpm/rte
igt/pm_rpm/sysfs-read
igt/pm_rpm/system-suspend

Output:
[root@x-sgb4 tests]# ./pm_rpm --run-subtest modeset-non-lpsp-stress-no-wait
IGT-Version: 1.7-gfedb9b6 (i686) (Linux: 3.16.0-rc2_drm-intel-nightly_794975_20140624+ i686)
Runtime PM support: 1
PC8 residency support: 0
Subtest modeset-non-lpsp-stress-no-wait: SUCCESS

Dmesg shows:
[  465.280940] WARNING: CPU: 2 PID: 3795 at drivers/gpu/drm/i915/intel_uncore.c:47 assert_device_not_suspended+0x39/0x3d [i915]()
[  465.280940] Device suspended
[  465.280941] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support ppdev dcdbas serio_raw pcspkr i2c_i801 snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm lpc_ich mfd_core snd_timer snd soundcore tpm_tis parport_pc tpm parport acpi_cpufreq i915 video button drm_kms_helper drm
[  465.280952] CPU: 2 PID: 3795 Comm: pm_rpm Tainted: G        W     3.16.0-rc2_drm-intel-nightly_794975_20140624+ #3850
[  465.280953] Hardware name: Dell Inc. OptiPlex 990/0DXWW6, BIOS A02 02/26/2011
[  465.280954]  00000000 c16f4ae7 f4d5bd38 c10311b0 f81df53b c28a8000 c28a8058 f4d5bdb4
[  465.280957]  000c6014 c103122b 00000009 f4d5bd38 f822e727 f4d5bd50 f81df53b f822e58c
[  465.280959]  0000002f f822e727 f81e02ca f4d5bd60 01094325 c28a8000 f4d5bda4 f4d5bdb4
[  465.280973] Call Trace:
[  465.280980]  [<c16f4ae7>] ? dump_stack+0x3e/0x4e
[  465.280986]  [<c10311b0>] ? warn_slowpath_common+0x65/0x78
[  465.280999]  [<f81df53b>] ? assert_device_not_suspended+0x39/0x3d [i915]
[  465.281005]  [<c103122b>] ? warn_slowpath_fmt+0x29/0x2d
[  465.281017]  [<f81df53b>] ? assert_device_not_suspended+0x39/0x3d [i915]
[  465.281029]  [<f81e02ca>] ? gen6_read32+0x17/0xb4 [i915]
[  465.281042]  [<f81e4b61>] ? ibx_pch_dpll_get_hw_state+0x21/0x67 [i915]
[  465.281055]  [<f81f35d4>] ? intel_modeset_check_state+0x35b/0x56f [i915]
[  465.281061]  [<c16f201e>] ? printk+0x16/0x1a
[  465.281073]  [<f81f3808>] ? intel_set_mode+0x20/0x25 [i915]
[  465.281085]  [<f81f4288>] ? intel_crtc_set_config+0x62f/0x92c [i915]
[  465.281092]  [<f809aef7>] ? drm_mode_setplane+0x136/0x136 [drm]
[  465.281097]  [<f809aef7>] ? drm_mode_setplane+0x136/0x136 [drm]
[  465.281105]  [<f8098219>] ? drm_mode_set_config_internal+0x39/0x8a [drm]
[  465.281110]  [<f809aef7>] ? drm_mode_setplane+0x136/0x136 [drm]
[  465.281116]  [<f809b26a>] ? drm_mode_setcrtc+0x373/0x405 [drm]
[  465.281122]  [<f809aef7>] ? drm_mode_setplane+0x136/0x136 [drm]
[  465.281128]  [<f80908cb>] ? drm_ioctl+0x22e/0x35f [drm]
[  465.281134]  [<f809aef7>] ? drm_mode_setplane+0x136/0x136 [drm]
[  465.281140]  [<f809069d>] ? drm_copy_field+0x47/0x47 [drm]
[  465.281143]  [<c10ed665>] ? do_vfs_ioctl+0x3fa/0x444
[  465.281147]  [<c1073b56>] ? clockevents_program_event+0xe6/0x107
[  465.281150]  [<c1074d88>] ? tick_program_event+0x1c/0x1f
[  465.281153]  [<c1048580>] ? hrtimer_interrupt+0x14d/0x205
[  465.281156]  [<c10ed6f1>] ? SyS_ioctl+0x42/0x6d
[  465.281159]  [<c16f99e8>] ? sysenter_do_call+0x12/0x22
[  465.281160] ---[ end trace 40dd835f1176ec27 ]---

==Reproduce steps==
---------------------------- 
1.  ./pm_rpm --run-subtest modeset-non-lpsp-stress-no-wait
Comment 1 Paulo Zanoni 2014-07-02 21:25:41 UTC
Please apply https://bugs.freedesktop.org/attachment.cgi?id=102162 and test it again.
Comment 2 Guo Jinxian 2014-07-03 03:06:35 UTC
(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
Comment 3 Paulo Zanoni 2014-07-03 15:11:47 UTC
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 ***
Comment 4 Guo Jinxian 2014-10-14 07:45:59 UTC
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]
Comment 5 Paulo Zanoni 2014-10-14 19:28:54 UTC
Which outputs were you using? Please attach the full dmesg file, booting with drm.debug=0xe and i915.mmio_debug=1
Comment 6 Guo Jinxian 2014-10-15 08:29:50 UTC
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]#
Comment 7 Paulo Zanoni 2014-10-15 13:43:12 UTC
(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)
Comment 8 Guo Jinxian 2014-10-16 06:50:55 UTC
(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.
Comment 9 Elizabeth 2017-10-06 14:37:36 UTC
Closing old verified.


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