Bug 99803 - [SKL][BAT] gem_exec_suspend/basic-s3 hangs in CI
Summary: [SKL][BAT] gem_exec_suspend/basic-s3 hangs in CI
Status: CLOSED WORKSFORME
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: DRI git
Hardware: Other All
: low minor
Assignee: Intel GFX Bugs mailing list
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2017-02-14 06:59 UTC by Jani Saarinen
Modified: 2017-07-24 23:15 UTC (History)
2 users (show)

See Also:
i915 platform: SKL
i915 features: power/suspend-resume

Attachments

Description Jani Saarinen 2017-02-14 06:59:24 UTC 
On last on CI
Test gem_exec_suspend:
        Subgroup basic-s3:
                pass       -> INCOMPLETE (fi-skl-6260u)

Making bug for staging component to discuss if this can be debugged.

Result: incomplete

IGT run: https://intel-gfx-ci.01.org/CI/CI_DRM_2194/fi-skl-6260u/igt.log

Not much help on dmesg:
https://intel-gfx-ci.01.org/CI/CI_DRM_2194/fi-skl-6260u/dmesg-during.log
Comment 1 Jani Saarinen 2017-02-14 07:00:02 UTC 
This test to be marked unstable / known until further decisions.
Comment 2 Jani Saarinen 2017-02-14 10:43:32 UTC 
Next run passes again.
Comment 3 Dorota Czaplejewicz 2017-03-02 18:54:23 UTC 
I tried this with drm-tip: 2017y-02m-27d-07h-11m-41s on Celeron(R) CPU G3900, 32 times, but nothing came up.
Comment 4 Marta Löfstedt 2017-03-03 07:40:09 UTC 
last line in dmesg:
[  215.328295] [IGT] gem_exec_suspend: starting subtest basic-S3
I.e. this is one of the bug where we have lost contact with the DUT during suspend-resume and can't get any information on what that has happened.
We are working on a solution to use pstore to maybe get more information when this happens.

I set lower importance
Comment 5 Jani Saarinen 2017-03-28 12:33:10 UTC 
Statistics: Failure rate 5/168 run(s) (2%)
last seen 6th of Mar.
Whitelisting for CI.
Comment 6 Martin Peres 2017-03-29 08:19:01 UTC 
Well, it happened again yesterday: https://intel-gfx-ci.01.org/CI/CI_DRM_2424/fi-skl-6260u/igt@gem_exec_suspend@basic-s3.html

I am un-archiving the issue!
Comment 7 Jani Saarinen 2017-04-21 06:06:20 UTC 
Statistics: Failure rate 6/292 run(s) (2%)
last seen: 2017-03-28
Comment 8 Jani Saarinen 2017-04-21 06:07:41 UTC 
I will resolve once again. Lets re-open if seen.

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