Public bug reported:
[ Impact ]
GNOME Shell crash after updating mutter to version 3.36.6-ubuntu0.20.04.1.
With the old version (3.36.4-0ubuntu0.20.04.1) and (3.36.4-0ubuntu0.20.04.2),
all works fine.
[ Test case ]
Steps to reproduce the error:
1) Lock screen;
2) Turn off the display;
3) Turn on the display;
And the Gnome Shell crash and show us a blank screen with the message:
"Oh no! Something has gone wrong."
[ Regression potential ]
This bug was introduced in a fix by Marco Trevisan (Treviño) in the LP #1892440.
[ Workaround ]
Downgrade the libmutter package temporarily.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: mutter 3.36.6-1ubuntu0.20.04.1
ProcVersionSignature: Ubuntu 5.4.0-49.53-generic 5.4.65
Uname: Linux 5.4.0-49-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27.9
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Wed Sep 23 15:57:17 2020
InstallationDate: Installed on 2020-08-15 (38 days ago)
InstallationMedia: Ubuntu 20.04.1 2020.08.15 LTS "Custom Focal Fossa" (20200815)
SourcePackage: mutter
UpgradeStatus: No upgrade log present (probably fresh install)
modified.conffile..etc.default.apport:
# set this to 0 to disable apport, or to 1 to enable it
# you can temporarily override this with
# sudo service apport start force_start=1
enabled=0
mtime.conffile..etc.default.apport: 2020-08-15T17:44:36
** Affects: mutter (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal package-from-proposed
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https://bugs.launchpad.net/bugs/1896818
Title:
Gnome-shell crash after turn display off in mutter
3.36.6-ubuntu0.20.04.1 (mostly on Nvidia)
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