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0e1f616
(Get the code!)
Yep. here, on 20.04 it crashed a few days ago, for the last time. With 22.04.1 it doesn't crash any longer.
Though that's not a big help: there is simply no second display. I installed the most recent driver from DisplayLink, 5.6.1. There was no error or warning message, just that I had to reboot. Did so, and just nothing. Not recognized in System settings, and xrandr states:
HDMI-1 disconnected (normal left inverted right x axis y axis)
HDMI-2 disconnected (normal left inverted right x axis y axis)
Fortunately, I can exclude Dock, cables and so forth, since it is a dual-boot to W10. And just rebooting, choosing W10, works flawlessly.
Here it also used to work, before this bug, on a daily basis. I usually work on a laptop, with lid closed, and all screen content on an external monitor. Then this bug appeared, and now the bug is gone, the screen stays black.
Any idea appreciated, what I could do.