Public bug reported:
Distribution: Ubuntu Budgie 22.04 LTS
Kernel: 5.15.0-1007-raspi
Package: libmutter-10-0
Architecture: arm64
Version: 42.0-3ubuntu2 5.15.0-1007-raspi
On Ubuntu Budgie 22.04 LTS raspberry PI, turning on fractional scaling causes
an issue where mouse movement becomes laggy and hard to control. This persists
even if a reboot is performed after changing scaling settings.
This was tested on Raspberry PI 4 8GB with 3 different mice. 2 USB wired, and
one wireless with USB dongle. Same results with 3 mice.
Disabling fractional scaling immediately solved the problem.
Same tests were performed on Ubuntu Budgie 22.04 on amd64 laptop, with
Intel CPU and Nvidia+Intel GPU. There was no issue with mouse
performance on amd64 laptop.
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: libmutter-10-0 42.0-3ubuntu2
ProcVersionSignature: Ubuntu 5.15.0-1007.7-raspi 5.15.35
Uname: Linux 5.15.0-1007-raspi aarch64
ApportVersion: 2.20.11-0ubuntu82.1
Architecture: arm64
CasperMD5CheckResult: unknown
CurrentDesktop: Budgie:GNOME
Date: Sat May 21 00:48:09 2022
ImageMediaBuild: 20210416
SourcePackage: mutter
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: mutter (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug arm64 arm64-image jammy raspi-image
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https://bugs.launchpad.net/bugs/1974471
Title:
mouse becomes laggy when fractional scaling is enabled
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