Recently I updated Ubuntu 20.04 LTS to kernel 5.4.0-94 and my displaylink enabled DELL D6000 dock stopped functioning (works fine under windows so no hardware failure).
When I start Ubuntu 20.04 LTS under kernel
5.4.0-91 everything works fine.
I informed both DELL and Displaylink, but this will probably get lost in their organisation since I had to contact sales and press relations respectively.
Tested both
Release: 5.5 Beta | Dec 22, 2021
Release: 5.4.1 | Sep 6, 2021
https://www.synaptics.com/products/d...wnloads/ubuntu
Which are the latest drivers attow.
If someone managed to update the drivers or contact Synaptic to update their drivers please let me know.