Thanks. It sounds like a few different DisplayLink problems.
It appears the display-related crashes are all in Xorg, Xwayland and
DisplayLinkManager. The last one doesn't seem to be part of Ubuntu so
I'll ignore that here. So the remaining two both come from the 'xorg-
server' source package.
Unfortunately I can't tell exactly how Xorg is crashing. Next time it
happens, please reboot and then run:
journalctl -b-1 > prevboot.txt
and attach the resulting text file here.
Please also share the contents of the '.uploaded' files. You don't need
to share your whoopsie-id (also I can see it on those 'oops' pages).
** Summary changed:
- Gnome desktop crash and return to login screen
+ [DisplayLink] Desktop crashes and return to login screen
** Package changed: gnome-shell (Ubuntu) => xorg-server (Ubuntu)
** Also affects: evdi (Ubuntu)
Importance: Undecided
Status: New
** Tags added: displaylink
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to gnome-shell in Ubuntu.
https://bugs.launchpad.net/bugs/1914573
Title:
[DisplayLink] Desktop crashes and return to login screen
Status in evdi package in Ubuntu:
New
Status in xorg-server package in Ubuntu:
Incomplete
Bug description:
The bug is that all at a sudden gnome reset to login screen. When i
log again, the only "sound output" allowed is simulation, my devices
are not displayed.
I'm using
- Ubuntu 20.04 (I upgraded from 18 some months ago, I don't think this bug
was present at that moment but i used less my ubuntu station).
- Portable PC
The bug happen
- When I use my PC with screen pluged directly : some times
- When I use my docking station with 144Hz display in DVI
(https://i-tec.pro/fr/produkt/u3hdmidvidock-4/) : quite frequently
- When à Use my docking station and watch some full screen video : very
frequently
It seems to be linked to displayLink use, but not only because it
happen too when i don't use the docking station. It seems to be
frequently when i "Stress" the screen.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: gnome-shell 3.36.4-1ubuntu1~20.04.2
ProcVersionSignature: Ubuntu 5.4.0-65.73-generic 5.4.78
Uname: Linux 5.4.0-65-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.16
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Thu Feb 4 10:17:54 2021
DisplayManager: gdm3
EcryptfsInUse: Yes
InstallationDate: Installed on 2017-11-08 (1183 days ago)
InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64
(20170801)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=fr_FR.UTF-8
SHELL=/bin/bash
RelatedPackageVersions: mutter-common 3.36.7+git20201123-0.20.04.1
SourcePackage: gnome-shell
UpgradeStatus: Upgraded to focal on 2020-07-01 (217 days ago)
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