I've got a Dell Latitude 5521 running Ubuntu 22.10. It's connected to a Wavelink USB3 port replicator which is driving 2 external monitors via HDMI.
When I boot into the latest kernel (5.19.0-23), it cannot see the 2 external monitors.
BUT... when I boot into kernel 5.19.0-15, the 2 monitors are there no problem.
Per the instructions here (
https://www.displaylink.org/forum/sh...ad.php?p=94453) I've
- removed displaylink
- rebooted
- removed evdi 1.11
- removed evdi 1.12
- re-installed linux headers
- re-installed displaylink
,
...and rebooted again just for good measure. No joy.
xrandr --listproviders says:
Providers: number : 1
Provider 0: id: 0x46 cap: 0x9, Source Output, Sink Offload crtcs: 4 outputs: 4 associated providers: 0 name:modesetting