Ubuntu
xserver-xorg-video-nouveau package

  1. Bug #1875015
  2. Comment #17

Comment 17 for bug 1875015

Revision history for this message
Stefan (sproell) wrote : Re: Ubuntu 20.04 and Displaylink is extremely slow

DisplayLink offers a patch for the XServer: https://www.displaylink.org/forum/showthread.php?t=67148

Applying the patch on my Dell XPS running Ubuntu 20.04.1 seems to fix the problem.