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Old 05-25-2020, 06:23 AM   #4
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Join Date: Mar 2020
Posts: 1
Default Display Link Lag/Stutter with Ryzen

I have the same problem with my AMD Ryzen 5 3500U with AMD Radeon Vega 8 graphics. Problem is not an issue on Intel only Ryzen (tested same image against my Intel).

On Ubuntu 20.04 stuttering/tearing/lagging exists on both X Org and Wayland making it unusable.
This problem has existed for some time and I have seen it on 18.04, 19.04 and 19.10 when using the X Org drivers. When using the Wayland drivers on 19.04 the problem went away (The configuration I am using now).

The below link shows a picture of a laggy/tearing screen when you move a window from left to right. (I copied this from the website mentioned above)


Given that the Laptop screen and HDMI port work fine I am assuming this is an issue with the Display link driver.

I am very keen to resolve this issue and am willing to promptly provide any information required to debug this. I am technically minded and have reasonable Linux skills.

Please let me know the next steps.

Regards Ralph.

Last edited by myersrj; 05-28-2020 at 11:04 PM.
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