Bug 88094

Summary: [BDW]igt/gem_reset_stats/ban-bsd sporadically fails and causes *ERROR* gpu hanging too fast, banning!
Product: DRI Reporter: lu hua <huax.lu>
Component: DRM/IntelAssignee: Intel GFX Bugs mailing list <intel-gfx-bugs>
Status: CLOSED WONTFIX QA Contact: Intel GFX Bugs mailing list <intel-gfx-bugs>
Severity: normal    
Priority: medium CC: christophe.prigent, florian, intel-gfx-bugs
Version: unspecified   
Hardware: All   
OS: Linux (All)   
Whiteboard:
i915 platform: BYT, SKL i915 features: GEM/Other
Attachments:
Description Flags
dmesg none

Description lu hua 2015-01-06 06:15:04 UTC 
Created attachment 111828 [details]
dmesg

==System Environment==
--------------------------
Regression: not sure

Non-working platforms: BDW

==kernel==
--------------------------
drm-intel-nightly/07d0c831d9207c937595f081c8fddbddbf53756f
commit 07d0c831d9207c937595f081c8fddbddbf53756f
Author: Jani Nikula <jani.nikula@intel.com>
Date:   Tue Dec 30 15:02:01 2014 +0200

    drm-intel-nightly: 2014y-12m-30d-13h-01m-34s UTC integration manifest

==Bug detailed description==
-----------------------------
It sporadically fails and causes *ERROR* gpu hanging too fast, banning! on BDW with -nightly kernel. fail rate:1/15

output:
IGT-Version: 1.9-gcb512b6 (x86_64) (Linux: 3.19.0-rc2_drm-intel-nightly_07d0c8_20150105+ x86_64)
retrying for ban (9)
Test assertion failure function inject_hang_ring, file gem_reset_stats.c:332:
Failed assertion: gem_exec(fd, &execbuf) == 0
Last errno: 5, Input/output error

==Reproduce steps==
---------------------------- 
1. ./gem_reset_stats --run-subtest ban-bsd
Comment 1 Rodrigo Vivi 2015-01-21 23:53:31 UTC 
How sporadically?  It seems working well for me.
btw: that error on dmesg is expected on this test.
Comment 2 lu hua 2015-01-22 03:24:35 UTC 
Test on the latest -nightly kernel, it has bug 88688.
Test on drm-intel-nightly_be0b52_20150119, it fails 2 in 5 runs.
output:
IGT-Version: 1.9-g3d65ff7 (x86_64) (Linux: 3.19.0-rc4_drm-intel-nightly_be0b52_20150119+ x86_64)
retrying for ban (9)
(gem_reset_stats:4722) CRITICAL: Test assertion failure function inject_hang_ring, file gem_reset_stats.c:332:
(gem_reset_stats:4722) CRITICAL: Failed assertion: gem_exec(fd, &execbuf) == 0
(gem_reset_stats:4722) CRITICAL: Last errno: 5, Input/output error
Subtest ban-bsd: FAIL (27.890s)
Comment 3 Humberto Israel Perez Rodriguez 2015-09-23 16:58:41 UTC 
still happen on SKL-Y with the latest kernel :

Kernel commit log:
commit b4c4542ba1abfb0d3d6913504502573bf2c62b12
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Fri Aug 28 15:51:30 2015 +0200
drm-intel-nightly: 2015y-08m-28d-13h-50m-34s UTC integration manifest
Comment 4 Elio 2015-10-15 23:58:29 UTC 
Still present on BYT with latest configuration:

Kernel: http://vanaheimr.fr.intel.com/shared/out/kernels/drm-intel/WW42.1_4.3.0-rc4_c38f2c2/
 xorg-server-1.17.2
libdrm-2.4.65
xf86-video-intel2.99.917
mesa-11.0.2
libva-1.6.1
intel-driver 1.6.1
cairo 1.14.2
intel-gpu-tools-1.12
Comment 5 Humberto Israel Perez Rodriguez 2015-10-28 18:45:37 UTC 
The following tests cases also fail on BYT-M with the next configuration :

<%gem_reset_stats@ban-blt%>

Ubuntu 14.04.03 x86_x64 LTS
xorg-server : 1.17.2
libdrm : 2.4.65
xf86-video-intel : 2.99.917
mesa : 11.0.4
libva : 1.6.1
intel: driver 1.6.1
cairo : 1.14.2
intel-gpu-tools : 1.12 (commit a2c6786)

Kernel: drm-intel-nightly: 2015y-10m-23d-09h-56m-09s
commit 87074657f22e38163e712ca417e1a398d00096b6
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Fri Oct 23 11:56:52 2015 +0200
Comment 6 Chris Wilson 2016-03-03 13:00:35 UTC 
The test can't be generating the same output, so please provide current debug logs.
Comment 7 Ricardo 2017-02-20 18:38:56 UTC 
this bug has not been commented for several months, requested new logs with no response. please huax.lu@intel.com if you encounter the issue again open a new bug

This bug will be closed due to lack of reponse

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