Public bug reported:
When booting my Lenovo E490 with the Lenovo Powered USB-C Travel Hub (a
kind of dock) already attached, the machine crashes after entering
password into the graphical login interface. More precisely the login
does not complete (in a reasonable time frame) and I cannot switch to
another virtual terminal. Some menus can be selected, but there is no
action (e.g. reboot) and I have to do a hard shutdown (pressing the
power button for 4 sec.). The log files show a kernel oops. When
attaching the dock after login the system seems to work normally.
I do have the latest displaylink drivers installed
(www.displaylink.com).
Attached is a log file snippet.
** Affects: mutter (Ubuntu)
Importance: Undecided
Status: New
** Attachment added: "Log file snippet"
https://bugs.launchpad.net/bugs/1887914/+attachment/5393436/+files/report.txt
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https://bugs.launchpad.net/bugs/1887914
Title:
Partial freeze if booting with USB-C dock attached
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