This might be related to the setting "org.gnome.desktop.interface scaling-factor", because if I manually set it to zero (gsettings set org.gnome.desktop.interface scaling-factor 0), g-c-c now can change the display resolution.
But g-c-c should not fail just because of an invalid setting. -- 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/1716322 Title: gnome-control-centre fails to change display resolution due to "Scale 2 not valid for resolution" Status in gnome-control-center package in Ubuntu: New Bug description: When I run g-c-c and try to change the laptop's display resolution from 4K to 1920x1080, it fails silently (it should really show the error, but that's another bug). If I have run it from the console, this message appears: (gnome-control-center:5356): display-cc-panel-WARNING **: Config not applicable: GDBus.Error:org.freedesktop.DBus.Error.InvalidArgs: Scale 2 not valid for resolution 1920x1080 I'm currently running in an X11 sesssion, but that's only because Wayland keeps crashing and the session seems to be defaulting back to X11 when I run it again. ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: gnome-control-center 1:3.25.92.1-0ubuntu1 Uname: Linux 4.13.1-041301-generic x86_64 ApportVersion: 2.20.7-0ubuntu1 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Mon Sep 11 13:57:59 2017 InstallationDate: Installed on 2017-08-16 (25 days ago) InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412) JournalErrors: Error: command ['journalctl', '-b', '--priority=warning', '--lines=1000'] failed with exit code 1: Hint: You are currently not seeing messages from other users and the system. Users in the 'systemd-journal' group can see all messages. Pass -q to turn off this notice. No journal files were opened due to insufficient permissions. SourcePackage: gnome-control-center UpgradeStatus: Upgraded to artful on 2017-08-17 (25 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1716322/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
