[Bug 1847896] Re: Unable to shutdown or restart from log-in screen

[Balint Reczey]

Fixed in Focal, to be SRU-d to Eoan.

** Also affects: gnome-shell (Ubuntu Eoan)
   Importance: Undecided
       Status: New

** Also affects: systemd (Ubuntu Eoan)
   Importance: Undecided
       Status: New

** Changed in: systemd (Ubuntu)
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1847896

Title:
  Unable to shutdown or restart from log-in screen

Status in gnome-shell package in Ubuntu:
  Invalid
Status in systemd package in Ubuntu:
  Fix Released
Status in gnome-shell source package in Eoan:
  Confirmed
Status in systemd source package in Eoan:
  Confirmed

Bug description:
  [Impact]

   * Shutdown and restart options don't work from the login screen, when
  the user is not logged in.

  [Test Case]

   * Start the system and don't log in, or log out in case the system is set up with autologin.
   * Restart, then shut down the system using the option in the upper right corner of the login screen.
   * Observe both operations working.

  [Regression Potential]

   * The fix is treating treating the greeter as user display sessions
  by cherry-picking upstream's change released in v243. The fix itself
  is very small, but there may be non-obvious security implications.

  [Original Bug Text]

  When selecting the shutdown icon from the log-in screen you are
  prompted with a dialog that allows you to either cancel, restart or
  shutdown.

  It has been noted that the restart and shutdown options no longer
  work.

  ProblemType: Bug
  DistroRelease: Ubuntu 19.10
  Package: gnome-shell 3.34.1-1ubuntu1
  ProcVersionSignature: Ubuntu 5.3.0-18.19-generic 5.3.1
  Uname: Linux 5.3.0-18-generic x86_64
  ApportVersion: 2.20.11-0ubuntu8
  Architecture: amd64
  CurrentDesktop: GNOME
  Date: Sun Oct 13 09:08:23 2019
  DisplayManager: gdm3
  InstallationDate: Installed on 2019-05-17 (148 days ago)
  InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Alpha amd64 (20190517)
  RelatedPackageVersions: mutter-common 3.34.1-1ubuntu1
  SourcePackage: gnome-shell
  UpgradeStatus: No upgrade log present (probably fresh install)

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