Public bug reported:
When using the GNOME magnifier (Zoom) feature the magnified display
flickers when used in any of the following modes: Left, Right, Top or
Bottom screen part. This occures when the mouse moves towards the edge
directly opossite to the magnified view.
To reproduce:
* Open GNOME Control Centre.
* Go to Universal Access.
* Click on Zoom.
* Enable Zoom
* Selct either Top, Bottom, Left or Right from the screen part drop down list.
* Move the mouse cursor to the opossite edge of the screen to that where the
magnified view is located.
I have tested on multiple systems running Ubuntu 18.04. I am yet to test
with 19.04.
I use this feature to allow me to use two monitors with one showing a
magnified view the other showing a normal view.
Happy to provide additional details.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: gnome-shell 3.28.3+git20190124-0ubuntu18.04.2
ProcVersionSignature: Ubuntu 4.18.0-21.22~18.04.1-generic 4.18.20
Uname: Linux 4.18.0-21-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.9-0ubuntu7.6
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Thu May 30 19:14:43 2019
DisplayManager: gdm3
ExecutablePath: /usr/bin/gnome-shell
InstallationDate: Installed on 2019-03-12 (78 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
ProcEnviron:
LANGUAGE=en_GB:en
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_GB.UTF-8
SHELL=/bin/bash
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic third-party-packages
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https://bugs.launchpad.net/bugs/1831140
Title:
GNOME Magnifier Flickering when using none-full screen modes
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