Public bug reported:
On my laptop, fractional scaling seems fine, including watching a
YouTube video. It has a quad HD display.
Enabling fractional scaling on my desktop which is attached to a single
4k display, fractional scaling isn't usable. The video appears to be
constantly refreshing and not using the same acceleration as if I just
run at 100% or 200%.
ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: gnome-shell 3.34.0-1ubuntu1
ProcVersionSignature: Ubuntu 5.3.0-13.14-generic 5.3.0
Uname: Linux 5.3.0-13-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu7
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Wed Oct 2 14:23:33 2019
DisplayManager: gdm3
InstallationDate: Installed on 2018-07-24 (435 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180724)
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
RelatedPackageVersions: mutter-common 3.34.0-3ubuntu1
SourcePackage: gnome-shell
UpgradeStatus: Upgraded to eoan on 2019-07-19 (74 days ago)
** Affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug eoan
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https://bugs.launchpad.net/bugs/1846398
Title:
Fractional scaling has significant visible refreshes on a 4k display
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