Public bug reported:
When a new Wayland session is created from a login, Alt-tab works as
expected to change windows. After sometime Alt-tab fails to do anything
(super-tab still works to change applications) and the following error
is created in syslog:
gnome-shell[777718]: JS ERROR: TypeError: window is
null#012_createWindowClone@resource:///org/gnome/shell/ui/altTab.js:29:27#012_init@resource:///org/gnome/shell/ui/altTab.js:1004:34#012_init@resource:///org/gnome/shell/ui/altTab.js:1045:24#012_init@resource:///org/gnome/shell/ui/altTab.js:568:30#012_startSwitcher@resource:///org/gnome/shell/ui/windowManager.js:2069:24
The only workaround I have found is to logout and log back in, however
after some time the error repeats itself.
Ubuntu 21.04
gnome-shell: Installed: 3.38.4-1ubuntu3~21.04.1
ProblemType: Bug
DistroRelease: Ubuntu 21.04
Package: gnome-shell 3.38.4-1ubuntu3~21.04.1
ProcVersionSignature: Ubuntu 5.11.0-22.23-generic 5.11.21
Uname: Linux 5.11.0-22-generic x86_64
ApportVersion: 2.20.11-0ubuntu65.1
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Tue Jun 29 10:53:32 2021
DisplayManager: gdm3
InstallationDate: Installed on 2020-11-11 (230 days ago)
InstallationMedia: Ubuntu 20.10 "Groovy Gorilla" - Release amd64 (20201022)
RelatedPackageVersions: mutter-common 3.38.4-1ubuntu2
SourcePackage: gnome-shell
UpgradeStatus: Upgraded to hirsute on 2021-04-27 (62 days ago)
** Affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug hirsute wayland-session
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https://bugs.launchpad.net/bugs/1933996
Title:
Alt-tab stops switching windows
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