Public bug reported:
Steps
=====
- In Settings > Display, activate Fractional Scaling, and set it to 175%.
- Deactivate fractional scaling and press Apply
Expected results
================
The screen goes back to 200% integer scaling
Actual results
==============
Only the upper left quarter of the screen is being used.
Workaround
==========
After pressing Apply, a popup asks if we want to keep changes or revert
them.
Pressing "Revert" does not revert anything, but actually updates the
screen to use the full screen instead of just the upper left section,
while remaining in 200% integer scaling!
Information
===========
Version: Ubuntu Jammy Jellyfish (development branch) [Beta image]
Release: 22.04
Device: Dell Precision 7760 with Nvidia GPU
CID: 202103-28858
Third party software installed during installation
Wayland in use.
ii linux-generic-hwe-20.04 5.15.0.23.25 amd64 Complete Generic Linux kernel and
headers
ii linux-headers-5.15.0-23 5.15.0-23.23 all Header files related to Linux
kernel version 5.15.0
ii linux-headers-5.15.0-23-generic 5.15.0-23.23 amd64 Linux kernel headers for
version 5.15.0 on 64 bit x86 SMP
ii linux-headers-generic-hwe-20.04 5.15.0.23.25 amd64 Generic Linux kernel
headers
ii linux-image-5.15.0-23-generic 5.15.0-23.23 amd64 Signed kernel image generic
ii linux-image-generic-hwe-20.04 5.15.0.23.25 amd64 Generic Linux kernel image
ii linux-modules-5.15.0-23-generic 5.15.0-23.23 amd64 Linux kernel extra
modules for version 5.15.0 on 64 bit x86 SMP
ii linux-modules-extra-5.15.0-23-generic 5.15.0-23.23 amd64 Linux kernel extra
modules for version 5.15.0 on 64 bit x86 SMP
ii linux-modules-nvidia-510-5.15.0-23-generic 5.15.0-23.23+1 amd64 Linux kernel
nvidia modules for version 5.15.0-23
ii linux-modules-nvidia-510-generic-hwe-20.04 5.15.0-23.23+1 amd64 Extra
drivers for nvidia-510 for the generic-hwe-20.04 flavour
ii linux-objects-nvidia-510-5.15.0-23-generic 5.15.0-23.23+1 amd64 Linux kernel
nvidia modules for version 5.15.0-23 (objects)
ii linux-signatures-nvidia-5.15.0-23-generic 5.15.0-23.23+1 amd64 Linux kernel
signatures for nvidia modules for version 5.15.0-23-generic
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: gnome-shell 42~beta-1ubuntu3
ProcVersionSignature: Ubuntu 5.15.0-23.23-generic 5.15.27
Uname: Linux 5.15.0-23-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu79
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Fri Apr 1 10:51:09 2022
DisplayManager: gdm3
GsettingsChanges:
b'org.gnome.shell' b'welcome-dialog-last-shown-version' b"'42.beta'"
b'org.gnome.desktop.input-sources' b'sources' b"[('xkb', 'us')]"
b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'"
b'org.gnome.desktop.privacy' b'report-technical-problems' b'true'
b'org.gnome.mutter' b'experimental-features' b"['scale-monitor-framebuffer']"
InstallationDate: Installed on 2022-04-01 (0 days ago)
InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Beta amd64 (20220329.1)
RelatedPackageVersions: mutter-common 42~beta-1ubuntu2
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug jammy wayland-session
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https://bugs.launchpad.net/bugs/1967450
Title:
When switching from 175% fractional scaling back to integer scaling,
only a quarter of the screen is used
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