[Bug 2141343] [NEW] Update manager ignores the "restart now" button

[Gipsz Jakab]

Public bug reported:

Hi,,
The upgrade happens, I click on the "restart now" button and nothing happens. 

The logs are also quite silent.

Description:	Ubuntu 25.10
Release:	25.10

update-manager:
  Installed: 1:25.10.1
  Candidate: 1:25.10.1
  Version table:
 *** 1:25.10.1 500
        500 http://hu.archive.ubuntu.com/ubuntu questing/main amd64 Packages
        500 http://hu.archive.ubuntu.com/ubuntu questing/main i386 Packages
        100 /var/lib/dpkg/status


What I expected to happen: a reboot

What happened instead: nothing.

** Affects: update-manager (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "journalctl output"
   https://bugs.launchpad.net/bugs/2141343/+attachment/5944435/+files/gnomelog

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https://bugs.launchpad.net/bugs/2141343

Title:
  Update manager ignores the "restart now" button

Status in update-manager package in Ubuntu:
  New

Bug description:
  Hi,,
  The upgrade happens, I click on the "restart now" button and nothing happens. 

  The logs are also quite silent.

  Description:	Ubuntu 25.10
  Release:	25.10

  update-manager:
    Installed: 1:25.10.1
    Candidate: 1:25.10.1
    Version table:
   *** 1:25.10.1 500
          500 http://hu.archive.ubuntu.com/ubuntu questing/main amd64 Packages
          500 http://hu.archive.ubuntu.com/ubuntu questing/main i386 Packages
          100 /var/lib/dpkg/status

  
  What I expected to happen: a reboot

  What happened instead: nothing.

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