[Bug 2146604] [NEW] question->resolute upgrade preview crashes

Joe Barnett 2146604 at bugs.launchpad.net
Fri Mar 27 22:01:40 UTC 2026 

Public bug reported:

When running via update-manager -d, got the following crash prior to
previewing the changes:

Checking for a new Ubuntu release
/usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeFetcherCore.py:178: Warning: W:Download is performed unsandboxed as root as file 'resolute.tar.gz.gpg' couldn't be accessed by user '_apt'. - pkgAcquire::Run (13: Permission denied)
  result = fetcher.run()
authenticate 'resolute.tar.gz' against 'resolute.tar.gz.gpg'
extracting 'resolute.tar.gz'
Traceback (most recent call last):
  File "/tmp/ubuntu-release-upgrader-sl54s4lj/resolute", line 8, in <module>
    sys.exit(main())
             ~~~~^^
  File "/tmp/ubuntu-release-upgrader-sl54s4lj/DistUpgrade/DistUpgradeMain.py", line 235, in main
    if app.run():
       ~~~~~~~^^
  File "/tmp/ubuntu-release-upgrader-sl54s4lj/DistUpgrade/DistUpgradeController.py", line 1985, in run
    return self.fullUpgrade()
           ~~~~~~~~~~~~~~~~^^
  File "/tmp/ubuntu-release-upgrader-sl54s4lj/DistUpgrade/DistUpgradeController.py", line 1914, in fullUpgrade
    if not self.askDistUpgrade():
           ~~~~~~~~~~~~~~~~~~~^^
  File "/tmp/ubuntu-release-upgrader-sl54s4lj/DistUpgrade/DistUpgradeController.py", line 1290, in askDistUpgrade
    res = self._view.confirmChanges(_("Do you want to start the upgrade?"),
                                    changes,
                                    self.cache.required_download)
  File "/tmp/ubuntu-release-upgrader-sl54s4lj/DistUpgrade/DistUpgradeViewGtk3.py", line 714, in confirmChanges
    pkg.name, GLib.markup_escape_text(getattr(pkg.candidate, "summary", None)))])
              ~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/gi/overrides/GLib.py", line 417, in markup_escape_text
    return GLib.markup_escape_text(text, length)
           ~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^
TypeError: Argument 0 does not allow None as a value

ProblemType: Bug
DistroRelease: Ubuntu 25.10
Package: ubuntu-release-upgrader-core 1:25.10.8
ProcVersionSignature: Ubuntu 6.17.0-19.19-generic 6.17.13
Uname: Linux 6.17.0-19-generic x86_64
ApportVersion: 2.33.1-0ubuntu3
Architecture: amd64
CasperMD5CheckResult: unknown
CrashDB: ubuntu
CrashReports:
 644:0:119:0:2026-03-27 12:35:24.836238812 -0700:2026-03-27 12:35:24.830238812 -0700:/var/crash/kdump_lock
 640:0:119:3247822:2026-03-27 12:46:48.325011150 -0700:2026-03-27 12:39:24.513570029 -0700:/var/crash/_usr_bin_do-release-upgrade.0.crash
 640:1000:119:338087:2026-03-27 12:47:16.322002059 -0700:2026-03-27 12:47:15.663001803 -0700:/var/crash/_usr_lib_cargo_bin_coreutils_date.1000.crash
 640:1000:119:4028078:2026-03-25 09:26:18.877471347 -0700:2026-03-25 09:26:14.279465398 -0700:/var/crash/_usr_libexec_bijiben-shell-search-provider.1000.crash
CurrentDesktop: GNOME
Date: Fri Mar 27 14:55:58 2026
InstallationDate: Installed on 2019-08-17 (2415 days ago)
InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Alpha amd64 (20190305.1)
PackageArchitecture: all
ProcEnviron:
 LANG=en_US.UTF-8
 PATH=(custom, no user)
 SHELL=/usr/bin/fish
 TERM=xterm-ghostty
 XDG_RUNTIME_DIR=<set>
SourcePackage: ubuntu-release-upgrader
Symptom: ubuntu-release-upgrader
UpgradeStatus: Upgraded to questing on 2026-03-27 (0 days ago)
VarLogDistupgradeAptHistorylog:
 Start-Date: 2026-03-27  12:45:40
 Requested-By: jbarnett (1000)
 End-Date: 2026-03-27  12:45:40
VarLogDistupgradeApttermlog:
 Log started: 2026-03-27  12:45:40
 Log ended: 2026-03-27  12:45:40
VarLogDistupgradeTermlog:

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: Confirmed


** Tags: amd64 apport-bug dist-upgrade questing wayland-session

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https://bugs.launchpad.net/bugs/2146604

Title:
  question->resolute upgrade preview crashes

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

Bug description:
  When running via update-manager -d, got the following crash prior to
  previewing the changes:

  Checking for a new Ubuntu release
  /usr/lib/python3/dist-packages/DistUpgrade/DistUpgradeFetcherCore.py:178: Warning: W:Download is performed unsandboxed as root as file 'resolute.tar.gz.gpg' couldn't be accessed by user '_apt'. - pkgAcquire::Run (13: Permission denied)
    result = fetcher.run()
  authenticate 'resolute.tar.gz' against 'resolute.tar.gz.gpg'
  extracting 'resolute.tar.gz'
  Traceback (most recent call last):
    File "/tmp/ubuntu-release-upgrader-sl54s4lj/resolute", line 8, in <module>
      sys.exit(main())
               ~~~~^^
    File "/tmp/ubuntu-release-upgrader-sl54s4lj/DistUpgrade/DistUpgradeMain.py", line 235, in main
      if app.run():
         ~~~~~~~^^
    File "/tmp/ubuntu-release-upgrader-sl54s4lj/DistUpgrade/DistUpgradeController.py", line 1985, in run
      return self.fullUpgrade()
             ~~~~~~~~~~~~~~~~^^
    File "/tmp/ubuntu-release-upgrader-sl54s4lj/DistUpgrade/DistUpgradeController.py", line 1914, in fullUpgrade
      if not self.askDistUpgrade():
             ~~~~~~~~~~~~~~~~~~~^^
    File "/tmp/ubuntu-release-upgrader-sl54s4lj/DistUpgrade/DistUpgradeController.py", line 1290, in askDistUpgrade
      res = self._view.confirmChanges(_("Do you want to start the upgrade?"),
                                      changes,
                                      self.cache.required_download)
    File "/tmp/ubuntu-release-upgrader-sl54s4lj/DistUpgrade/DistUpgradeViewGtk3.py", line 714, in confirmChanges
      pkg.name, GLib.markup_escape_text(getattr(pkg.candidate, "summary", None)))])
                ~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    File "/usr/lib/python3/dist-packages/gi/overrides/GLib.py", line 417, in markup_escape_text
      return GLib.markup_escape_text(text, length)
             ~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^
  TypeError: Argument 0 does not allow None as a value

  ProblemType: Bug
  DistroRelease: Ubuntu 25.10
  Package: ubuntu-release-upgrader-core 1:25.10.8
  ProcVersionSignature: Ubuntu 6.17.0-19.19-generic 6.17.13
  Uname: Linux 6.17.0-19-generic x86_64
  ApportVersion: 2.33.1-0ubuntu3
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CrashDB: ubuntu
  CrashReports:
   644:0:119:0:2026-03-27 12:35:24.836238812 -0700:2026-03-27 12:35:24.830238812 -0700:/var/crash/kdump_lock
   640:0:119:3247822:2026-03-27 12:46:48.325011150 -0700:2026-03-27 12:39:24.513570029 -0700:/var/crash/_usr_bin_do-release-upgrade.0.crash
   640:1000:119:338087:2026-03-27 12:47:16.322002059 -0700:2026-03-27 12:47:15.663001803 -0700:/var/crash/_usr_lib_cargo_bin_coreutils_date.1000.crash
   640:1000:119:4028078:2026-03-25 09:26:18.877471347 -0700:2026-03-25 09:26:14.279465398 -0700:/var/crash/_usr_libexec_bijiben-shell-search-provider.1000.crash
  CurrentDesktop: GNOME
  Date: Fri Mar 27 14:55:58 2026
  InstallationDate: Installed on 2019-08-17 (2415 days ago)
  InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Alpha amd64 (20190305.1)
  PackageArchitecture: all
  ProcEnviron:
   LANG=en_US.UTF-8
   PATH=(custom, no user)
   SHELL=/usr/bin/fish
   TERM=xterm-ghostty
   XDG_RUNTIME_DIR=<set>
  SourcePackage: ubuntu-release-upgrader
  Symptom: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to questing on 2026-03-27 (0 days ago)
  VarLogDistupgradeAptHistorylog:
   Start-Date: 2026-03-27  12:45:40
   Requested-By: jbarnett (1000)
   End-Date: 2026-03-27  12:45:40
  VarLogDistupgradeApttermlog:
   Log started: 2026-03-27  12:45:40
   Log ended: 2026-03-27  12:45:40
  VarLogDistupgradeTermlog:

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