Bug 105023

Summary: [CI] [KBL only ]igt@kms_pipe_crc_basic@suspend-read-crc-pipe-[a|b] - incomplete - system hang?
Product: DRI Reporter: Marta Löfstedt <marta.lofstedt>
Component: DRM/IntelAssignee: Intel GFX Bugs mailing list <intel-gfx-bugs>
Status: CLOSED WORKSFORME QA Contact: Intel GFX Bugs mailing list <intel-gfx-bugs>
Severity: normal    
Priority: medium CC: intel-gfx-bugs
Version: DRI git   
Hardware: Other   
OS: All   
Whiteboard: ReadyForDev
i915 platform: KBL i915 features: display/Other

Description Marta Löfstedt 2018-02-09 12:05:33 UTC 
This looks mysterious

First there was 4 consecutive incompletes

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3732/shard-kbl2/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-b.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3733/shard-kbl4/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-b.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3734/shard-kbl1/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-b.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3735/shard-kbl6/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-b.html

then there was these:

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3741/shard-kbl1/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-a.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3742/shard-kbl1/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-a.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3744/shard-kbl1/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-a.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3745/shard-kbl5/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-a.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3747/shard-kbl4/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-a.html
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3748/shard-kbl1/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-a.html

I see nothing interesting in either run.log nor dmesg.
I am not saying that this means anything, but both groups above have all the same order of tests in them. These test have been run before the igt@kms_pipe_crc_basic@suspend-read-crc-pipe-* in both cases:

running: igt/gem_exec_suspend/basic-s4-devices
running: igt/gem_exec_parallel/blt
running: igt/kms_plane_scaling/pipe-b-scaler-with-pixel-format

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