Bug 81317 - [BDW Semaphores]igt/gem_reset_stats/close-pending-bsd causes " [drm:i915_context_is_banned] *ERROR* gpu hanging too fast, banning!"
Summary: [BDW Semaphores]igt/gem_reset_stats/close-pending-bsd causes " [drm:i915_cont...
Status: CLOSED DUPLICATE of bug 81209
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: unspecified
Hardware: Other All
: high normal
Assignee: Chris Wilson
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2014-07-14 03:28 UTC by Guo Jinxian
Modified: 2016-10-19 09:36 UTC (History)
1 user (show)

See Also:
i915 platform:
i915 features:

Attachments
dmesg (8.80 KB, text/plain)
2014-07-14 03:28 UTC, Guo Jinxian 		no flags Details
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Description Guo Jinxian 2014-07-14 03:28:19 UTC 
Created attachment 102735 [details]
dmesg

==System Environment==
--------------------------
Regression: Yes
Good commit on -next-queued: 91565c85b66db820f01894a971d39aaef60c4325

Non-working platforms: BDW

==kernel==
--------------------------
origin/drm-intel-nightly: 271bff129a641b5b35d99c9eb0ceb866ca42f692(fails)
    drm-intel-nightly: 2014y-07m-12d-12h-07m-51s integration manifest
origin/drm-intel-next-queued: 491a3448622059b087d8c465b46b11f2953df7c1(fails)
    drm/i915: Enable PSR by default.
origin/drm-intel-fixes: ceb9f032dc858c349d7d213454c5ba2c6ef9c5e5(works)
    Revert "drm/i915: Don't set the 8to6 dither flag when not scaling"

==Bug detailed description==
igt/gem_reset_stats/close-pending-bsd causes " [drm:i915_context_is_banned] *ERROR* gpu hanging too fast, banning!"

Output:
root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./gem_reset_stats --run-subtest close-pending-bsd
IGT-Version: 1.7-ge74dd22 (x86_64) (Linux: 3.16.0-rc4_drm-intel-nightly_271bff_20140713+ x86_64)
Subtest close-pending-bsd: SUCCESS
root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# dmesg -r | egrep ""<[1-3]>"" |grep drm               <3>[  897.218423] [drm:i915_context_is_banned] *ERROR* gpu hanging too fast, banning!
<3>[  909.224583] [drm:i915_context_is_banned] *ERROR* gpu hanging too fast, banning!

==Reproduce steps==
---------------------------- 
1. ./gem_reset_stats --run-subtest close-pending-bsd
Comment 1 Chris Wilson 2014-07-19 10:17:28 UTC 
So i915.semaphores=0 prevents the hang?
Comment 2 Guo Jinxian 2014-07-21 06:57:43 UTC 
(In reply to comment #1)
> So i915.semaphores=0 prevents the hang?

Yes, boot the device with "i915.semaphores=0", test result was passed.

root@x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./gem_reset_stats --run-subtest close-pending-bsd
IGT-Version: 1.7-g4d4f4b2 (x86_64) (Linux: 3.16.0-rc5_drm-intel-nightly_873440_20140721_debug+ x86_64)
Subtest close-pending-bsd: SUCCESS
Comment 3 Chris Wilson 2014-07-21 07:00:07 UTC 

*** This bug has been marked as a duplicate of bug 81209 ***
Comment 4 Jari Tahvanainen 2016-10-19 09:36:03 UTC 
Closing resolved+duplicate as duplicate of closed+fixed.

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