This is a strange one. Not quite like anything I've seen reported
before. If and when it happens again please attach a photo/screenshot of
the issue.
When it happens again please also try pressing: Super+D
** Changed in: gnome-shell (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1876431
Title:
windows invisible when there should have been a lock screen
Status in gnome-shell package in Ubuntu:
Incomplete
Bug description:
Shortly after upgrading to focal (a few days) I left my computer alone
and went and away for a good long while, long enough for the screen to
lock
Came back and
1) the screen was not locked,
2) the dock at the right hand side was still available and i could manipulate
it (ie click on the applications that were running, see the screenshots of them
when i mouse'd over them)
2) no windows could be seen.
I managed to for example click on the running bitcoin icon in the top right
hand corner, those were clickable too, but nothing did seemed to get the
windows back.
Alt-tab...
alt-crl up...
super-tab...
nothing i could think of
Wound up exiting out to terminal (ctrl-alt-f3, logging in) killing
gnome-shell and they all came back shortly there after.
ubuntu: focal 20.04 lts
gnome-shell:
Installed: 3.36.1-5ubuntu1
Candidate: 3.36.1-5ubuntu1
Version table:
*** 3.36.1-5ubuntu1 500
500 http://mirrors.layeronline.com/ubuntu focal/main amd64 Packages
100 /var/lib/dpkg/status
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: gnome-shell 3.36.1-5ubuntu1
ProcVersionSignature: Ubuntu 5.4.0-26.30-lowlatency 5.4.30
Uname: Linux 5.4.0-26-lowlatency x86_64
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sat May 2 03:16:38 2020
DisplayManager: gdm3
InstallationDate: Installed on 2017-04-18 (1109 days ago)
InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
RelatedPackageVersions: mutter-common 3.36.1-3ubuntu3
SourcePackage: gnome-shell
UpgradeStatus: Upgraded to focal on 2020-04-25 (6 days ago)
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