This issue was fixed after installing update gnome-shell 3.30.0-3ubuntu1
which surprisingly was received within an hour of reporting the bug.
** Changed in: gnome-shell (Ubuntu)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1795623
Title:
Window titlebar context menus fail to appear in "Join displays" dual
monitor mode
Status in gnome-shell package in Ubuntu:
Fix Released
Bug description:
New installation of Ubuntu 18.10, very few customisations made and I
find that the right-click menu on window title bars fails to appear.
Context menus do appear on application windows soI know that the mouse
is working correctly.
I previously saw this issue with GNOME Shell 3.29 and reported it on
the Ubuntu forums: https://ubuntuforums.org/showthread.php?t=2398652
but no-one else saw the issue so I went back to using 18.04 where this
functionality works as expected.
The problem seems to be my dual monitor set-up.
I have a laptop with an external monitor set to act as the primary
display in "Join Display" mode. In that configuration the context menu
fails to appear. If I set the display mode to "Mirror" then the
context menu appears. When "Single Display" is set context menus also
appear as expected.
Conclusion: Window titlebar context menus fail to appear in "Join
displays" dual monitor mode
This problem is also seen is a Live session using the same ISO image.
ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: gnome-shell 3.30.0-1ubuntu2
ProcVersionSignature: Ubuntu 4.18.0-8.9-generic 4.18.7
Uname: Linux 4.18.0-8-generic x86_64
ApportVersion: 2.20.10-0ubuntu11
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Tue Oct 2 11:59:11 2018
DisplayManager: gdm3
GsettingsChanges:
b'org.gnome.shell' b'favorite-apps' redacted by apport
b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'"
b'org.gnome.desktop.interface' b'clock-show-date' b'true'
InstallationDate: Installed on 2018-10-02 (0 days ago)
InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Beta amd64 (20181002)
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
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