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Tasklist

FS#76620 - failed to complete DP link training - ThinkPad X13s

Attached to Project: Arch Linux
Opened by Tobias Brunner (tobru) - Friday, 18 November 2022, 19:22 GMT
Last edited by Toolybird (Toolybird) - Monday, 19 December 2022, 01:37 GMT
Task Type Bug Report
Category Kernel
Status Closed
Assigned To No-one
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

On a ThinkPad X13s with a 6.0.7 Kernel, when attaching an external screen via a docking station or dongle, I get the following error in the Kernel log and it doesn't work:

[...]
Nov 18 20:14:25 x13sarm kernel: [drm:dp_ctrl_link_train [msm]] *ERROR* max v_level reached
Nov 18 20:14:25 x13sarm kernel: [drm:dp_ctrl_link_train [msm]] *ERROR* link training #1 failed. ret=-11
Nov 18 20:14:25 x13sarm kernel: [drm:dp_display_process_hpd_high [msm]] *ERROR* failed to complete DP link training
[...]

The strange thing is: It worked once. I got the external screen detected and properly working. From the second time on I only got this message and the screen stays black.

This task depends upon

Closed by  Toolybird (Toolybird)
Monday, 19 December 2022, 01:37 GMT
Reason for closing:  No response
Comment by Toolybird (Toolybird) - Friday, 18 November 2022, 23:25 GMT
Current kernel is linux 6.0.9.arch1-1. Please try it as some fixes are included that might be related.

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