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** Changed in: gnome-control-center (Ubuntu)
Importance: Undecided => Low
** Changed in: gnome-control-center (Ubuntu)
Status: New => Invalid
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to gnome-control-center in Ubuntu.
https://bugs.launchpad.net/bugs/1875729
Title:
Fractional Scaling crashes gnome-control-center
Status in gnome-control-center package in Ubuntu:
Invalid
Bug description:
Overview:
When applying "Fractional Scaling" of 150% or 175%, the screen goes
black for a while, then after a little while it comes back unscaled
and gnome-control-center has crashed.
Found in:
Description: Ubuntu 20.04 LTS
Release: 20.04
gnome-control-center:
Installed: 1:3.36.1-1ubuntu5
Candidate: 1:3.36.1-1ubuntu5
Version table:
*** 1:3.36.1-1ubuntu5 500
500 http://gb.archive.ubuntu.com/ubuntu focal/main amd64 Packages
100 /var/lib/dpkg/status
Steps to reproduce:
1. Go into "Screen Display" in Settings.
2. Enable "Fractional Scaling".
3. Select "150%" or "175%".
4. Observe that the screen goes blank for about 5 seconds.
5. Observe that upon the screen coming back, the Settings application has
crashed.
Additional details:
If instead of selecting "150%" or "175%" I select "125%", then the
screen will scale to 200% instead, but if I select and apply "125%"
again, then suddenly only just over of a quarter of the screen is
recognised as display and the rest just displays my background and top
bar extended.
I am using a 4k display over a display port cable.
I am using a GTX 1070 TI with the Nvidia 440.64 driver.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: gnome-control-center 1:3.36.1-1ubuntu5
ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30
Uname: Linux 5.4.0-26-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Tue Apr 28 19:37:27 2020
InstallationDate: Installed on 2020-04-25 (2 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
SourcePackage: gnome-control-center
UpgradeStatus: No upgrade log present (probably fresh install)
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https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1875729/+subscriptions
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