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Old 10-19-2021, 08:55 PM   #1
omegatheta
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Join Date: Oct 2021
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Default Ubuntu 20.04 freeze on any display changes or unplugging external display

With DisplayLink 5.4.1, a 5.11.0-37-generic Linux kernel, Ubuntu 20.04 and Nvidia 470.63.01 drivers, changing display config by GUI or Xrandr or even unplugging external display causes system freeze and reboot is the only option. System won't boot if external monitors are connected. Nvidia settings says PRIME displays cant be controlled by it.
X.org X Server version 1.20.11
X Protocol Version 11, Revision 0
pixman 0.38.4

Also attaching the DL Support tool zip file.
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File Type: zip DisplayLink Linux Support Tool5.2.1230-EXE.zip (7.73 MB, 1 views)
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Old 10-21-2021, 06:56 PM   #2
palexdev
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Join Date: Oct 2021
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Default

I have the same issue
I'm on KDE Neon 5.23, Kernel 5.11.0.38-generic, Nvidia 470.74, X.org 1.20.11, X Protocol 11.0

I can't connect the monitor before the first login, otherwise the UI freezes and fans ramp up a little, same issue happens if I disconnect the monitor with the laptop on.
The only way to recover from these freezes is to force a power off by holding the power button

Logs attached
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File Type: zip DLSupportTool_Output_2021-10-21T20:53:45.468324.zip (711.7 KB, 1 views)
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freeze, reboot, ubuntu, xorg

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