Same for me.
Ubuntu 20.04 nvidia-driver-390 (also tried 340.108), GeForce GT-750M

I noticed some weird behavior with the xrandr, note the "mm" size is
different for the same scale setting at different times.

greg@LapXPS:~$ xrandr --verbose --output eDP-1-1 --scale 2x2
screen 0: 6400x3600 846x475 mm 192.10dpi
crtc 0:    3200x1800  59.98 +0+0 "eDP-1-1"
greg@LapXPS:~$ xrandr --verbose --output eDP-1-1 --scale 1.25x1.25
crtc 0: disable
screen 0: 4000x2250 527x296 mm 192.51dpi
crtc 0:    3200x1800  59.98 +0+0 "eDP-1-1"
greg@LapXPS:~$ xrandr --verbose --output eDP-1-1 --scale 1.5x1.5
screen 0: 4800x2700 1587x892 mm  76.81dpi
crtc 0:    3200x1800  59.98 +0+0 "eDP-1-1"
greg@LapXPS:~$ xrandr --verbose --output eDP-1-1 --scale 1.25x1.25
crtc 0: disable
screen 0: 4000x2250 1321x743 mm  76.88dpi
crtc 0:    3200x1800  59.98 +0+0 "eDP-1-1"
greg@LapXPS:~$ xrandr --verbose --output eDP-1-1 --scale 1.5x1.5
screen 0: 4800x2700 1587x892 mm  76.81dpi
crtc 0:    3200x1800  59.98 +0+0 "eDP-1-1"
greg@LapXPS:~$ xrandr --verbose --output eDP-1-1 --scale 1.75x1.75
screen 0: 5600x3150 1850x1040 mm  76.88dpi
crtc 0:    3200x1800  59.98 +0+0 "eDP-1-1"
greg@LapXPS:~$ xrandr --verbose --output eDP-1-1 --scale 2x2
screen 0: 6400x3600 2113x1188 mm  76.93dpi
crtc 0:    3200x1800  59.98 +0+0 "eDP-1-1"
greg@LapXPS:~$ xrandr --verbose --output eDP-1-1 --scale 1x1
crtc 0: disable
screen 0: 3200x1800 1056x594 mm  76.97dpi
crtc 0:    3200x1800  59.98 +0+0 "eDP-1-1"
greg@LapXPS:~$ xrandr --verbose --output eDP-1-1 --scale 1.75x1.75
screen 0: 5600x3150 1480x832 mm  96.05dpi
crtc 0:    3200x1800  59.98 +0+0 "eDP-1-1"
greg@LapXPS:~$ xrandr --verbose --output eDP-1-1 --scale 1.75x1.75
screen 0: 5600x3150 1480x832 mm  96.05dpi
crtc 0:    3200x1800  59.98 +0+0 "eDP-1-1"
greg@LapXPS:~$ xrandr --verbose --output eDP-1-1 --scale 1x1
crtc 0: disable
screen 0: 3200x1800 845x475 mm  96.17dpi
crtc 0:    3200x1800  59.98 +0+0 "eDP-1-1"
greg@LapXPS:~$ xrandr --verbose --output eDP-1-1 --scale 1.25x1.25
screen 0: 4000x2250 528x297 mm 192.10dpi
crtc 0:    3200x1800  59.98 +0+0 "eDP-1-1"
greg@LapXPS:~$ xrandr --verbose --output eDP-1-1 --scale 1x1
crtc 0: disable
screen 0: 3200x1800 422x237 mm 192.42dpi
crtc 0:    3200x1800  59.98 +0+0 "eDP-1-1"
greg@LapXPS:~$ xrandr --verbose --output eDP-1-1 --scale 1.75x1.75
screen 0: 5600x3150 740x416 mm 192.10dpi
crtc 0:    3200x1800  59.98 +0+0 "eDP-1-1"

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to mutter 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 gnome-shell package in Ubuntu:
  Confirmed
Status in mutter package in Ubuntu:
  Confirmed
Status in nvidia-graphics-drivers 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

-- 
Mailing list: https://launchpad.net/~desktop-packages
Post to     : desktop-packages@lists.launchpad.net
Unsubscribe : https://launchpad.net/~desktop-packages
More help   : https://help.launchpad.net/ListHelp

Reply via email to