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** Changed in: gnome-control-center (Ubuntu)
   Importance: Undecided => Low

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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)

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