This bug was fixed in the package mutter - 3.36.3-1ubuntu2
---------------
mutter (3.36.3-1ubuntu2) groovy; urgency=medium
* debian/control:
- Revert BD on adwaita-icon-theme 3.36.1-2ubuntu3. It was just temporary
fix.
* d/p/x11-Add-support-for-fractional-scaling-using-Randr.patch:
- Use pre-computed CRTC layout size for computing screen size (LP: #1874567,
LP: #1873403)
- Decouple the output mode from layout mode capabilities (LP: #1876894,
LP: #1886996)
- Ensure we notify CRTC changes on integer scaling changes (LP: #1876894)
- Apply proper layout monitor config when using fractional scaling
(LP: #1884754)
- Restore the fractional settings when reverting to fractional layout
(LP: #1886996)
* debian/libmutter-6-0.symbols: Add new private symbol
-- Marco Trevisan (Treviño) <[email protected]> Sat, 11 Jul 2020
00:44:33 +0200
** Changed in: mutter (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1876894
Title:
Scaling is not reverted properly (appears shrunk) when disabling
fractional scaling
Status in gnome-control-center package in Ubuntu:
Fix Released
Status in mutter package in Ubuntu:
Fix Released
Status in gnome-control-center source package in Focal:
Fix Committed
Bug description:
* Impact
Scaling is not reverted properly (appears shrunk) when disabling
fractional scaling
* Test Case
Do this in an Ubuntu/Xorg session:
0. Be on a "clean" system wrt. fractional scaling, i.e. disabled & scaling at
100%
1. Open gnome-control-center → displays
2. Turn on fractional scaling
3. Select 125%
4. Press apply (the scaling should correctly change now)
5. Turn off fractional scaling by changing the toggle
Now everything is shrunk - it's not been returned to 100% properly.
See the attached screenshot where the text is tiny instead of regular
100% size. If you do this instead of step 5:
5. Select 100% scaling
7. Press apply
8. Turn off fractional scaling by changing the toggle
Then everything returns to the normal size.
Repeat the same selecting 200% at 5., (or 100% if 200% was your
default) and ensure it's applied.
I'm on nvidia(-440), but Séb said that he saw this on his Intel
machine too.
* Regression potential
Verify that scaling changes are correctly applied on different setup
ProblemType: BugDistroRelease: Ubuntu 20.04
Package: mutter 3.36.1-3ubuntu3
ProcVersionSignature: Ubuntu 5.4.0-28.32-generic 5.4.30
Uname: Linux 5.4.0-28-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair nvidia_modeset
nvidia
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: GNOME
Date: Tue May 5 10:57:40 2020
InstallationDate: Installed on 2012-10-07 (2766 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Beta amd64
(20121007)SourcePackage: mutter
UpgradeStatus: Upgraded to focal on 2020-01-16 (109 days ago)
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