1 second lag
New install of ubuntu mate 20.04
installed displaylink with displaylink-driver-5.3.1.34.run install goes fine Monitor is connected to docking station with displayport cable. PROBLEM key presses and mouse clicks take about one second to register. So the system is unusable. Mouse movement is fine This is only the case when the large monitor is set to primary and the laptop screen is off. When the system is running with two monitors there is no problem. This configuration works perfectly when laptop is directly connected to large display with displayport cable. Symptom present on three different docking stations, so not a hardware issue there. All versions of hardware working perfectly in this configuration with ubuntu mate 18.04 |
Bug Fix
There is a patch released to fix this on Ubuntu 20
https://github.com/DisplayLink/evdi/issues/181 thread of others with same issue https://www.displaylink.org/forum/sh...ad.php?t=67148 patch link I still need the patch for 18, so same problem for me needing to keep the primary display on.... :( |
Hi Bill
Many thanks for this. A googled a lot but did not find the jan logged bug on github. Works perfect now. Very bad luck if you have the problem with 18. My 18.04 MATE installations run just fine. Andrew |
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However, I'll only put focus on Ubuntu 20.04 (or whatever I run at the moment). |
Works perfectly out of the box on 20.04
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I mean the XServer Patch
DisplayLink XServer Patch (20.04) https://www.displaylink.com/downloads/file?d=310 And certain updates overwrite it so you have to do it again. |
I can't recommend this patch. After patch it caused xorg-server as very unstable and crashing for me (i have fresh install Linux Mint Mate). (https://gitlab.freedesktop.org/mesa/mesa/-/issues/3468) I only install last xorg-server from update center + my laptop display stayed as active.
After return back to lastest xorg-server it seems all fine. But yes, laptop display is still not fixed (https://gitlab.freedesktop.org/xorg/.../-/issues/1028). Keep your laptop display turned on. :rolleyes::( I will wait for any proper displaylink version + xorg. It's a shame. :mad: |
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