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Old 10-30-2024, 04:00 PM   #1
miklinux
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Default Linux Mint 22 Cinnamon - Artifacts

Hi everyone!
I'm experiencing a weird issue with a Lenovo ThinkPad P14s G5 (Intel Arc + Nvidia) running Linux Mint 22 Cinnamon and connected to a Display link USB-C / Thunderbolt docking station: when working on the external monitors connected to the dock I often see small horizontal artifacts which suddenly disappear (will try to make a video at some stage), so the issue is purely aesthetical.

This happens only when I'm using the intel GPU as the primary device, while it works perfectly when I switch to the Nvidia card.

I would rather use the Intel card since it'll be better when running on battery and I don't have to remember to switch each time.

I'm using the latest version of the DisplayLink driver available in the synaptics repository (6.1).

Is this a known issue?

Thanks!

Last edited by miklinux; 10-30-2024 at 04:16 PM.
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Old 11-03-2024, 06:50 PM   #2
sissiphos
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Default Same here - Ubuntu 24, Thinkpad T15 Gen5, Intel Arc

Hi there,

Seems I am experiencing the same with a Thinkpad T14, Intel Arc GPU + DisplayLink USB-C/Thunderbolt docking station. Attached the output of a DLSupportTool.sh run and 4 photos of the artifacts.

Regards
Attached Images
File Type: jpg IMG_1548.jpg (102.6 KB, 0 views)
File Type: jpg IMG_1549.jpg (92.1 KB, 0 views)
File Type: jpg Screenshot from 2024-11-04 16-37-24.jpg (14.7 KB, 0 views)
File Type: jpg IMG_1551.jpg (94.4 KB, 0 views)
Attached Files
File Type: zip DLSupportTool_Output_20241102_2205.tar.zip (2.03 MB, 0 views)

Last edited by sissiphos; 11-05-2024 at 08:42 PM. Reason: screenshot added application artifact
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Old 11-21-2024, 08:25 AM   #3
sissiphos
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Default Do you read?

Quote:
Originally Posted by sissiphos View Post
Hi there,

Seems I am experiencing the same with a Thinkpad T14, Intel Arc GPU + DisplayLink USB-C/Thunderbolt docking station. Attached the output of a DLSupportTool.sh run and 4 photos of the artifacts.

Regards

Does anyone of you DL folks read?

https://github.com/DisplayLink/evdi/issues/489
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Old 11-27-2024, 07:23 AM   #4
miklinux
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Default

Thanks @sissiphos for the pointer.
Well, yes I've been reading a lot before posting here... I was just looking in the wrong place!

I will try downgrading EVDI and check if that fixes.
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