sudo add-apt-repository ppa:ci-train-ppa-service/4112
worked for me.
GTX 750Ti, 440 driver
-- Logs begin at Mon 2020-07-06 19:24:15 CST. --
7月 06 20:12:56 lixinrui-ubuntu gnome-shell[1095]: Setting screen size 1440x900
7月 06 20:12:57 lixinrui-ubuntu gnome-shell[1095]: Unset XDG_SESSION_ID,
getCurrentSessionProxy() called outside a user session. Asking logind directly.
7月 06 20:12:57 lixinrui-ubuntu gnome-shell[1095]: Will monitor session c1
7月 06 20:12:58 lixinrui-ubuntu gnome-shell[1095]: Error looking up permission:
GDBus.Error:org.freedesktop.portal.Error.NotFound: No entry for geolocation
7月 06 20:12:59 lixinrui-ubuntu gnome-shell[1095]: JS WARNING:
[resource:///org/gnome/shell/ui/layout.js 24]: reference to undefined property
"MetaWindowX11"
7月 06 20:12:59 lixinrui-ubuntu gnome-shell[1095]: Getting invalid resource
scale property
7月 06 20:13:00 lixinrui-ubuntu gnome-shell[1095]: Registering session with GDM
7月 06 20:13:04 lixinrui-ubuntu gnome-shell[1614]: Enabling experimental feature
'x11-randr-fractional-scaling'
7月 06 20:13:04 lixinrui-ubuntu gnome-shell[1614]: Setting screen size 1440x900
7月 06 20:13:05 lixinrui-ubuntu gnome-shell[1614]: Unset XDG_SESSION_ID,
getCurrentSessionProxy() called outside a user session. Asking logind directly.
7月 06 20:13:05 lixinrui-ubuntu gnome-shell[1614]: Will monitor session 2
7月 06 20:13:05 lixinrui-ubuntu gnome-shell[1614]: Telepathy is not available,
chat integration will be disabled.
7月 06 20:13:06 lixinrui-ubuntu gnome-shell[1614]: Error looking up permission:
GDBus.Error:org.freedesktop.portal.Error.NotFound: No entry for geolocation
7月 06 20:13:08 lixinrui-ubuntu gnome-shell[1614]: Window manager warning:
Overwriting existing binding of keysym 31 with keysym 31 (keycode a).
7月 06 20:13:08 lixinrui-ubuntu gnome-shell[1614]: Window manager warning:
Overwriting existing binding of keysym 32 with keysym 32 (keycode b).
7月 06 20:13:08 lixinrui-ubuntu gnome-shell[1614]: Window manager warning:
Overwriting existing binding of keysym 33 with keysym 33 (keycode c).
7月 06 20:13:08 lixinrui-ubuntu gnome-shell[1614]: Window manager warning:
Overwriting existing binding of keysym 34 with keysym 34 (keycode d).
7月 06 20:13:08 lixinrui-ubuntu gnome-shell[1614]: Window manager warning:
Overwriting existing binding of keysym 35 with keysym 35 (keycode e).
7月 06 20:13:08 lixinrui-ubuntu gnome-shell[1614]: Window manager warning:
Overwriting existing binding of keysym 36 with keysym 36 (keycode f).
7月 06 20:13:08 lixinrui-ubuntu gnome-shell[1614]: Window manager warning:
Overwriting existing binding of keysym 37 with keysym 37 (keycode 10).
7月 06 20:13:08 lixinrui-ubuntu gnome-shell[1614]: Window manager warning:
Overwriting existing binding of keysym 38 with keysym 38 (keycode 11).
7月 06 20:13:08 lixinrui-ubuntu gnome-shell[1614]: Window manager warning:
Overwriting existing binding of keysym 39 with keysym 39 (keycode 12).
7月 06 20:13:09 lixinrui-ubuntu gnome-shell[1614]: GNOME Shell started at Mon
Jul 06 2020 20:13:06 GMT+0800 (CST)
7月 06 20:13:09 lixinrui-ubuntu gnome-shell[1614]: Registering session with GDM
7月 06 20:13:16 lixinrui-ubuntu gnome-shell[1614]: GOt configuration change [(0,
0, 1.25, uint32 0, true, [('DVI-I-0', '[email protected]',
{'underscanning': <false>})])]
7月 06 20:13:16 lixinrui-ubuntu gnome-shell[1614]: GOt configuration change [(0,
0, 1.25, uint32 0, true, [('DVI-I-0', '[email protected]',
{'underscanning': <false>})])]
7月 06 20:13:16 lixinrui-ubuntu gnome-shell[1614]: GOt configuration change [(0,
0, 1.25, uint32 0, true, [('DVI-I-0', '[email protected]',
{'underscanning': <false>})])]
7月 06 20:13:17 lixinrui-ubuntu gnome-shell[1614]: GOt configuration change [(0,
0, 1.25, uint32 0, true, [('DVI-I-0', '[email protected]',
{'underscanning': <false>})])]
7月 06 20:13:17 lixinrui-ubuntu gnome-shell[1614]: Crtc at 0.000000x0.000000
size 1152.000000x720.000000 (@ 1.250000 - adapted 2.000000) considering it of
2304.000000x1440.000000
7月 06 20:13:17 lixinrui-ubuntu gnome-shell[1614]: Setting screen size 2304x1440
7月 06 20:13:17 lixinrui-ubuntu gnome-shell[1614]: Setting screen size to
2304x1440
7月 06 20:13:17 lixinrui-ubuntu gnome-shell[1614]: Scaling at 0.625000
(transformation matrix is 104857 = 1.599991) using filter good
7月 06 20:13:17 lixinrui-ubuntu gnome-shell[1614]: Configuring CRTC 441 with
mode 446 (1440 x 900 @ 59.606285) at position 0, 0 and transform 0
7月 06 20:13:17 lixinrui-ubuntu gnome-shell[1614]: Setting UBUNTU crtc config
crtc 441, timestamp 0 (config timestamp 15166), x: 0, y: 0, mode: 446, rotation
1, n_outputs 1: RETURN reply 0x557d7bfc8000, error: (nil)
7月 06 20:13:17 lixinrui-ubuntu gnome-shell[1614]: Setting screen size 2304x1440
7月 06 20:13:17 lixinrui-ubuntu gnome-shell[1614]: Setting screen size 2304x1440
7月 06 20:13:17 lixinrui-ubuntu gnome-shell[1614]: Window manager warning:
Overwriting existing binding of keysym 31 with keysym 31 (keycode a).
--
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/1870736
Title:
[nvidia] Screen scaling 125% gives 200%
Status in gnome-control-center package in Ubuntu:
Confirmed
Status in mutter package in Ubuntu:
Confirmed
Bug description:
Procedure used:
1.
Fully updated system via apt update && apt upgrade
2.
Select the screen setup in gnome control center
3.
Click the "Fractional scaling" toggle
4.
Select 125% and click the green "use" button top right (it says "Anvend" in
dansih)
5.
Observe that the window has grown a lot, click the "use new settings" button
6.
The window tells me, I am at 200% scaling. The "200%" option is now
highlighted.
7.
Switch back to 100% and file this bug.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: ubuntu-release-upgrader-core 1:20.04.16
ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
Uname: Linux 5.4.0-21-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu22
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: ubuntu:GNOME
Date: Sat Apr 4 09:42:34 2020
InstallationDate: Installed on 2018-01-14 (810 days ago)
InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64
(20170801)
PackageArchitecture: all
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=da_DK.UTF-8
SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
Symptom: release-upgrade
UpgradeStatus: Upgraded to focal on 2020-04-03 (0 days ago)
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1870736/+subscriptions
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