Bug 111758 - [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
Summary: [CI][SHARDS] : igt@kms_busy@extended-modeset-hang-oldfb-render-a - dmesg-warn...
Status: NEW
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: 2019-09-20 11:39 UTC by Lakshmi
Modified: 2019-11-14 19:21 UTC (History)
3 users (show)

See Also:
i915 platform: KBL
i915 features: display/LSPCON


Attachments

Note You need to log in before you can comment on or make changes to this bug.
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.


Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.