Thanks for all that. Confusingly you now seem to be getting hangs in the Intel kernel driver followed by gnome-shell crashes. This seems to be a different bug to what we were looking at before, probably caused by using Wayland instead of Xorg...
févr. 08 10:51:19 PORTABLE-PPAQUIN kernel: i915 0000:00:02.0: Resetting rcs0 for hang on rcs0 févr. 08 10:51:19 PORTABLE-PPAQUIN gnome-shell[3042]: GNOME Shell crashed with signal 6 févr. 08 10:51:19 PORTABLE-PPAQUIN gnome-shell[3042]: == Stack trace for context 0x55e1400292a0 == févr. 08 12:58:22 PORTABLE-PPAQUIN kernel: i915 0000:00:02.0: Resetting rcs0 for hang on rcs0 févr. 08 12:58:22 PORTABLE-PPAQUIN gnome-shell[2676]: GNOME Shell crashed with signal 6 févr. 08 12:58:22 PORTABLE-PPAQUIN gnome-shell[2676]: == Stack trace for context 0x5618d81e35d0 == Please change back to 'Ubuntu' instead of 'Ubuntu on Wayland', and then follow the steps in comment #16. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1914573 Title: [DisplayLink] Xorg crashes and return to login screen Status in evdi package in Ubuntu: Incomplete 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) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/evdi/+bug/1914573/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp