[Bug 2121936] Re: No fallback if X11 connection fails.

[rew]

I got a "you changed a config file" prompt in the terminal, but the X11
auth failed messages continued... So something may have started in the
background and "keep trying". I think this: "an error occurred, maybe it
will go away" thought process is "bad". Problems often don't go away by
themselves.

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https://bugs.launchpad.net/bugs/2121936

Title:
  No fallback if X11 connection fails.

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  I'm currently upgrading from I think 24.04 to 25.04. The machine is
  not my normal workstation it is located 10m from here so I started the
  upgrade from my normal workstation so I could continue to work.

  Anyway, I saw a bunch of "cannot connect to X server because of wrong
  authentication". I suspect it wanted to ask me something, but then
  couldn't and it didn't do a fallback to terminal mode. That makes me
  worry: what did it do that it thought important enough to try to ask
  me?

  Below are some of the packages that triggered this. Hopefully the long
  list makes it easier to spot the commonality between these.

  Setting up apparmor 
  Setting up smartmontools (7.4-3) ...
  Unpacking binutils-avr (2.43.50.20250108-1) over (2.26.20160125+Atmel3.7.0-2) ...
  Unpacking ubuntu-report (1.7.3ubuntu3) over (1.7.3ubuntu0.24.04.3) ...
  Unpacking speech-dispatcher (0.12.0-2ubuntu2) over (0.12.0~rc2-2build3) ...
  Unpacking mythes-en-us (1:25.2.2-1) over (1:24.2.1-1) ...
  Unpacking linux-modules-6.14.0-29-generic (6.14.0-29.29) ...
  Unpacking ubuntu-docs (25.04.1) over (24.04.2) ...
  Unpacking gcc-11 (11.5.0-2ubuntu1) over (11.5.0-1ubuntu1~24.04) ...
  Unpacking cheese-common (44.1-2) over (44.1-1build4) ...
  Unpacking a2ps (1:4.15.6-1build1) over (1:4.15.5-2) ...
  Unpacking libpipeline1:amd64 (1.5.8-1) over (1.5.7-2) ...
  Unpacking language-pack-en-base (1:25.04+20250410) over (1:24.04+20250724) ...
  Preparing to unpack .../08-language-pack-en-base_1%3a25.04+20250410_all.deb ...
  Unpacking language-pack-en (1:25.04+20250410) over (1:24.04+20250724) ...
  Preparing to unpack .../66-python3-ptyprocess_0.7.0-6_all.deb ...
  Unpacking python3-ptyprocess (0.7.0-6) over (0.7.0-5) ...
  Unpacking rhythmbox (3.4.8-1ubuntu1) over (3.4.7-2ubuntu6) ...
  Unpacking libreoffice-calc (4:25.2.5-0ubuntu0.25.04.1) ...
  Unpacking libreoffice-uiconfig-draw (4:25.2.5-0ubuntu0.25.04.1) over (4:24.2.7-0ubuntu0.24.04.4) ...
  Preparing to unpack .../15-gtk2-engines-pixbuf_2.24.33-6ubuntu1_amd64.deb ...
  Unpacking gtk2-engines-pixbuf:amd64 (2.24.33-6ubuntu1) over (2.24.33-4ubuntu1.1) ...
  Unpacking libgdata-common (0.18.1-9) over (0.18.1-6build2) ...
  Preparing to unpack .../272-libgdata-common_0.18.1-9_all.deb ...
  Unpacking zenity-common (4.1.90-1) over (4.0.1-1build3) ...
  Unpacking ibus-data (1.5.32~rc2-1) over (1.5.29-2) ...
  Unpacking fuse3 (3.14.0-10) over (3.14.0-5build1) ...
  Preparing to unpack .../042-language-selector-common_0.227_all.deb ...
  Unpacking gnome-shell-extension-appindicator (59-3) over (58-1ubuntu24.04.1) ...
  Unpacking libbdplus0:amd64 (0.2.0-4) over (0.2.0-3build1) ...
  Preparing to unpack .../169-docbook-xml_4.5-13_all.deb ...
  Unpacking libwebkitgtk-6.0-4:amd64 (2.48.5-0ubuntu0.25.04.1) over (2.48.5-0ubuntu0.24.04.1) ...

  
  (The list is not exhaustive).

  ProblemType: Bug
  DistroRelease: Ubuntu 25.04
  Package: ubuntu-release-upgrader-core 1:24.04.27
  ProcVersionSignature: Ubuntu 6.8.0-79.79-generic 6.8.12
  Uname: Linux 6.8.0-79-generic x86_64
  ApportVersion: 2.32.0-0ubuntu5.3
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CrashDB: ubuntu
  Date: Wed Sep  3 12:35:17 2025
  InstallationDate: Installed on 2020-09-30 (1799 days ago)
  InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
  PackageArchitecture: all
  RebootRequiredPkgs: Error: path contained symlinks.
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to plucky on 2025-09-03 (0 days ago)
  VarLogDistupgradeAptclonesystemstate.tar.gz:
   Error: command ['pkexec', 'cat', '/var/log/dist-upgrade/apt-clone_system_state.tar.gz'] failed with exit code 127: Error executing command as another user: Not authorized
   
   This incident has been reported.
  mtime.conffile..etc.update-manager.release-upgrades: 2023-03-09T13:32:36.998683

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