[Bug 2133012] Re: The "Restart Now" button in Software Updater does not restart the system

[Nathan Teodosio]

Thanks for the quick reply!

I confirm that the log in #4 does contain newlines, thanks for pointing
out.

> I also confirm that the dbus-send command you wrote indeed reboots the
system, once the prompt button is clicked.

That is quite surprising.

I'd then guess that there is an inhibitor at the time you do it from
Update-Manager (although I'd have expected some indication about it in
the UI). Update-Manager itself does register one, so maybe it could be
shooting itself on the foot, but let's confirm first. By the next time
you are presented with the option to reboot from Update-Manager, please
kindly collect the output of the following commands:

  gdbus call -e -o /org/gnome/SessionManager -d org.gnome.SessionManager
-m org.gnome.SessionManager.CanShutdown

  gdbus call -e -o /org/gnome/SessionManager -d org.gnome.SessionManager
-m org.gnome.SessionManager.GetInhibitors

  gdbus call -y -o /org/freedesktop/login1 -d org.freedesktop.login1 -m
org.freedesktop.login1.Manager.ListInhibitors

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https://bugs.launchpad.net/bugs/2133012

Title:
  The "Restart Now" button in Software Updater does not restart the
  system

Status in gnome-session package in Ubuntu:
  New
Status in gnome-shell package in Ubuntu:
  New
Status in update-manager package in Ubuntu:
  Invalid

Bug description:
  Every time the Software Updater application (from the update-manager
  package) has finished updating "core" packages like the kernel, it
  says that the computer needs to restart to finish installing updates.
  In that window, clicking on the "Restart Now" button brings up the
  restart pop-up ("The system will restart automatically in 60 seconds")
  but clicking on "Restart" on that pop-up does not do anything and the
  Software Updater application closes as if it just crashed. The system
  does not restart.

  The restart pop-up looks the same as the one brought up by the "Power
  Off" menu in GNOME when clicking on the "Restart..." option.

  When launching Software Updater with the Terminal (/usr/bin/update-
  manager --debug) it prints messages up until the message that says
  that the computer needs to restart shows up, but nothing from that
  moment on.

  Ubuntu release: 25.10
  update-manager installed version: 1:25.10.1 (same as candidate)

  ProblemType: Bug
  DistroRelease: Ubuntu 25.10
  Package: update-manager 1:25.10.1
  ProcVersionSignature: Ubuntu 6.17.0-7.7-generic 6.17.2
  Uname: Linux 6.17.0-7-generic x86_64
  ApportVersion: 2.33.1-0ubuntu3
  Aptdaemon:
   
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Nov 26 15:45:43 2025
  InstallationDate: Installed on 2025-06-12 (167 days ago)
  InstallationMedia: Ubuntu 25.04 "Plucky Puffin" - Release amd64 (20250415.3)
  PackageArchitecture: all
  SourcePackage: update-manager
  UpgradeStatus: Upgraded to questing on 2025-10-29 (28 days ago)

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