[Bug 1875015] Re: Displaylink is extremely slow in Xorg sessions

[josh d]

Hi Jeremyszu,
That ppa fixed my issue! Is this going to prevent other upgrades? I am not super familiar with how different ppas for same packages would work. I imagine a later version will be marked as an update and override those updates.

Daniel,
Unfortunately I tried installing the kubuntu wayland packages and the experience was far worse on the dock. So I switched back to x as I'm a pretty big kde fan (I saw some reports that KDE wayland was a bit half baked as of yet across the web, I'm not really in the know). I might switch to gnome to try it out as it has been some years. When I do that I'll definitely try wayland again.

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Title:
  Displaylink is extremely slow in Xorg sessions

Status in Nouveau Xorg driver:
  New
Status in OEM Priority Project:
  New
Status in xf86-video-amd:
  Fix Released
Status in X.Org X server:
  Fix Released
Status in xorg-server package in Ubuntu:
  Fix Released
Status in xserver-xorg-video-amdgpu package in Ubuntu:
  Fix Released
Status in xserver-xorg-video-nouveau package in Ubuntu:
  In Progress
Status in xorg-server source package in Focal:
  Fix Released
Status in xorg-server source package in Hirsute:
  Won't Fix
Status in xorg-server source package in Impish:
  Fix Released
Status in xorg-server source package in Jammy:
  Fix Released
Status in xserver-xorg-video-amdgpu source package in Jammy:
  New
Status in xserver-xorg-video-nouveau source package in Jammy:
  New

Bug description:
  Using ubuntu 20.04 on displaylink docking with external monitor is
  totally slow, unusable. The GUI responds very slow, if you click, the
  command of the click goes on after about 3 seconds... if you type, all
  the letters are with the same lag, so it is totally unusable.

  Was using displaylink without any problem on 19.10 until yesterday, when I upgraded to 20.04. 
  It is terrific.

  If i plug out the usb for the displaylink docking station, than the
  speed is back, and the system is ok, if I connect it to the docking
  station again, everything extremely slow again.

  Please investigate this asap, as it is unusable on displaylink docking
  stations.

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