Public bug reported:
Description is almost the same as
https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1807534
Ubuntu 18.04.5 LTS, all packages up to date
gnome-shell 3.28.4-0ubuntu18.04.3
Sometimes gnome-shell freezes.
I can move the mouse pointer, but the rest of the UI is completely frozen and
does not react to mouse clicks or keystrokes.
If I try to change login session with Ctrl-Alt-F1, I can login but the
screen remains black.
I generally manage to "unfreeze" gnome-shell by switching to a virtual
console and typing "killall -3 gnome-shell"
dmesg shows a page allocation failure in gnome-shell, cf attached file.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: gnome-shell 3.28.4-0ubuntu18.04.3
ProcVersionSignature: Ubuntu 5.4.0-54.60~18.04.1-generic 5.4.65
Uname: Linux 5.4.0-54-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.9-0ubuntu7.20
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Wed Nov 25 11:10:35 2020
DisplayManager: gdm3
InstallationDate: Installed on 2020-02-21 (278 days ago)
InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=fr_FR.UTF-8
SHELL=/bin/bash
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic third-party-packages
** Attachment added: "extract of dmesg covering 2 gnome-shell freezes"
https://bugs.launchpad.net/bugs/1905546/+attachment/5437817/+files/dmesg.txt
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https://bugs.launchpad.net/bugs/1905546
Title:
Gnome Shell freezes randomly
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