Bug 100192 - [ALL][BAT] igt@gem_exec_gttfill@basic causes dmesg warnings
Summary: [ALL][BAT] igt@gem_exec_gttfill@basic causes dmesg warnings
Status: CLOSED FIXED
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: DRI git
Hardware: All Linux (All)
: medium major
Assignee: Intel GFX Bugs mailing list
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2017-03-14 10:39 UTC by Jani Saarinen
Modified: 2017-04-11 12:26 UTC (History)
1 user (show)

See Also:
i915 platform:
i915 features:

Attachments

Description Jani Saarinen 2017-03-14 10:39:54 UTC 
on CI igt@gem_exec_gttfill@basic test causes dmesg warnings on all systems:
https://intel-gfx-ci.01.org/CI/igt@gem_exec_gttfill@basic.html

Eg SKL:
https://intel-gfx-ci.01.org/CI/CI_DRM_2332/fi-skl-6260u/igt@gem_exec_gttfill@basic.html


on CI_DRM_2332

Suspects: https://intel-gfx-ci.01.org/CI/CI_DRM_2332/commits_short.log
Comment 1 Chris Wilson 2017-03-14 10:41:01 UTC 
The commit that introduced it

commit 05df49e73bd7480de8c68ac814e463eb19dc51ed
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Sun Mar 12 21:53:40 2017 +0100

    drm/i915: annote drop_caches debugfs interface with lockdep

is doing its job correctly -- alerting us to the deadlock.
Comment 2 Chris Wilson 2017-03-14 21:09:03 UTC 
commit bd784b7cc41af7a19cfb705fa6d800e511c4ab02
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date:   Tue Mar 14 11:50:19 2017 +0000

    drm/i915: Avoid rcu_barrier() from reclaim paths (shrinker)

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