Bug 91634 - [SKL execlists] WARN_ON(&target->list == &ring->request_list) from gem_reloc_vs_gpu/forked-interruptible-faulting-reloc-thrash-inactive-hang
Summary: [SKL execlists] WARN_ON(&target->list == &ring->request_list) from gem_reloc_...
Status: CLOSED FIXED
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: unspecified
Hardware: x86-64 (AMD64) Linux (All)
: medium normal
Assignee: Mika Kuoppala
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard:
Keywords:
: 91640 (view as bug list)
Depends on:
Blocks:
 
Reported: 2015-08-14 10:23 UTC by Olivier Berthier
Modified: 2017-07-24 22:45 UTC (History)
2 users (show)

See Also:
i915 platform: SKL
i915 features: GEM/execlists

Attachments
kern.log file (499.86 KB, text/plain)
2015-08-14 10:24 UTC, Olivier Berthier 		no flags Details
dmesg log file (361.53 KB, text/plain)
2015-08-14 10:24 UTC, Olivier Berthier 		no flags Details
piglit results.json file (37.78 KB, text/plain)
2015-08-14 10:25 UTC, Olivier Berthier 		no flags Details
drm/i915: Update ring space correctly on lrc context reset (4.61 KB, patch)
2015-08-20 14:33 UTC, Mika Kuoppala 		no flags Details | Splinter Review
View All

Description Olivier Berthier 2015-08-14 10:23:23 UTC 
Setup:
-------

Hardware
Platform: SKY LAKE Y A0 
CPU : Intel(R) Core(TM) m5-6Y57 CPU @ 1.10GHz (family: 6, model: 78  stepping: 3)
MCP : SKL-Y  D1 2+2 (ou ULX-D1)
QDF : QJK9 
CPU : SKL D1
Chipset PCH: Sunrise Point LP C1       
CRB : SKY LAKE Y LPDDR3 RVP3 CRB FAB2
Reworks : All Mandatories + FBS02,FBS03, F23, O-02 & O-06

Software 
BIOS : SKLSE2R1.R00.X093.B02.1507222151 07/22/2015
ME FW : 11.0.0.1158
Ksc (EC FW): 1.15
Linux : Ubuntu 14.04 LTS 64 bits

Kernel : 4.2.0-rc5 drm-intel-nightly
    
commit 308b72e08b237aa7cde758fc44f88851710e417d 
Author: Daniel Vetter 
Date: Fri Aug 7 19:09:47 2015 +0200 
drm-intel-nightly: 2015y-08m-07d-17h-08m-56s UTC integration manifest

Intel-GPU-tools commit : 5c07135b7bd23ce0beae67cfd8a71ac63f543859

Steps:
------
1. Launch igt with command (as root):
${IGT_DIRNAME}/scripts/run-tests.sh -t gem_reloc_vs_gpu@forked-interruptible-faulting-reloc-thrash-inactive-hang
2. The test start

Actual result:
--------------
The returned result is crash.

Expected result:
----------------
No crash.
Comment 1 Olivier Berthier 2015-08-14 10:24:31 UTC 
Created attachment 117678 [details]
kern.log file
Comment 2 Olivier Berthier 2015-08-14 10:24:55 UTC 
Created attachment 117679 [details]
dmesg log file
Comment 3 Olivier Berthier 2015-08-14 10:25:33 UTC 
Created attachment 117680 [details]
piglit results.json file
Comment 4 Chris Wilson 2015-08-14 15:52:00 UTC 
*** Bug 91640 has been marked as a duplicate of this bug. ***
Comment 5 cprigent 2015-08-16 14:20:23 UTC 
On SKL, following tests results are all crash:
igt@gem_reloc_vs_gpu@faulting-reloc-interruptible-hang
igt@gem_reloc_vs_gpu@forked-faulting-reloc-hang
igt@gem_reloc_vs_gpu@forked-faulting-reloc-thrash-inactive-hang
igt@gem_reloc_vs_gpu@forked-hang
igt@gem_reloc_vs_gpu@forked-interruptible-faulting-reloc-hang
igt@gem_reloc_vs_gpu@forked-interruptible-faulting-reloc-thrash-inactive-hang
igt@gem_reloc_vs_gpu@forked-interruptible-hang
igt@gem_reloc_vs_gpu@forked-interruptible-thrash-inactive-hang
igt@gem_reloc_vs_gpu@forked-thrash-inactive-hang
Comment 6 cprigent 2015-08-19 08:30:35 UTC 
Bug scrub:
Kimmo will discuss with VPG guys about this execlist related bug
Comment 7 Mika Kuoppala 2015-08-20 14:33:15 UTC 
Created attachment 117813 [details] [review]
drm/i915: Update ring space correctly on lrc context reset
Comment 8 Mika Kuoppala 2015-11-17 16:25:05 UTC 
Should be handled by:

commit 608c1a526c99d1858b02d035657e28c9837667a5
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date:   Thu Sep 3 13:01:40 2015 +0100

    drm/i915: Recover all available ringbuffer space following reset

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