Bug 111758

Summary: [CI][SHARDS] : igt@kms_busy@extended-modeset-hang-oldfb-render-a - dmesg-warn- *ERROR* DPCD write failed at:0x5c0, *ERROR* Failed to write AVI infoframes
Product: DRI Reporter: Lakshmi <lakshminarayana.vudum>
Component: DRM/IntelAssignee: Intel GFX Bugs mailing list <intel-gfx-bugs>
Status: RESOLVED MOVED QA Contact: Intel GFX Bugs mailing list <intel-gfx-bugs>
Severity: minor    
Priority: low CC: intel-gfx-bugs, shashank.sharma, swati2.sharma
Version: DRI git   
Hardware: Other   
OS: All   
Whiteboard:
i915 platform: KBL i915 features: display/LSPCON

Description Lakshmi 2019-09-20 11:39:43 UTC
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6925/shard-kbl2/igt@kms_busy@extended-modeset-hang-oldfb-render-a.html

<3> [365.882373] [drm:lspcon_write_infoframe [i915]] *ERROR* DPCD write failed at:0x5c0
<3> [365.882409] [drm:lspcon_write_infoframe [i915]] *ERROR* Failed to write AVI infoframes
Comment 1 Lakshmi 2019-09-20 11:41:12 UTC
(In reply to Lakshmi from comment #0)
> https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6925/shard-kbl2/
> igt@kms_busy@extended-modeset-hang-oldfb-render-a.html
> 
> <3> [365.882373] [drm:lspcon_write_infoframe [i915]] *ERROR* DPCD write
> failed at:0x5c0
> <3> [365.882409] [drm:lspcon_write_infoframe [i915]] *ERROR* Failed to write
> AVI infoframes

Component is let to LSPCON, please revert back if it's incorrect.
Comment 2 CI Bug Log 2019-09-20 11:42:00 UTC
The CI Bug Log issue associated to this bug has been updated.

### New filters associated

* KBL: igt@kms_busy@extended-modeset-hang-oldfb-render-a - dmesg-warn-  *ERROR* DPCD write failed at:0x5c0, *ERROR* Failed to write AVI infoframes
  - https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6925/shard-kbl2/igt@kms_busy@extended-modeset-hang-oldfb-render-a.html
Comment 3 Vanshidhar Konda 2019-11-14 19:21:41 UTC
This error has occurred only once on one KBL platform. The warning is that writing to the LSPCON register failed despite multiple retries. Setting the priority to low for now because the error has only been seen once.
Comment 4 Martin Peres 2019-11-29 19:33:09 UTC
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been closed from further activity.

You can subscribe and participate further through the new bug through this link to our GitLab instance: https://gitlab.freedesktop.org/drm/intel/issues/437.

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