[Bug 2150156] Re: An unresolvable problem occurred while calculating the upgrade

[Daniel Tang]

*** This bug is a duplicate of bug 2150319 ***
    https://bugs.launchpad.net/bugs/2150319

** This bug has been marked a duplicate of bug 2150319
   lintian breaks upgrade from 24.04 to 26.04

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https://bugs.launchpad.net/bugs/2150156

Title:
  An unresolvable problem occurred while calculating the upgrade

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

Bug description:
  Could not calculate the upgrade

  An unresolvable problem occurred while calculating the upgrade.

   If none of this applies, then please report this bug using the
  command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. If
  you want to investigate this yourself the log files in '/var/log/dist-
  upgrade' will contain details about the upgrade. Specifically, look at
  'main.log' and 'apt.log'.

  ProblemType: Bug
  DistroRelease: Ubuntu 24.04
  Package: ubuntu-release-upgrader-core 1:24.04.28
  ProcVersionSignature: Ubuntu 6.8.0-110.110-generic 6.8.12
  Uname: Linux 6.8.0-110-generic x86_64
  ApportVersion: 2.28.1-0ubuntu3.8
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CrashDB: ubuntu
  CrashReports:
   640:1000:117:3654132:2026-04-23 23:30:36.240523314 +0200:2026-04-23 23:30:28.697523659 +0200:/var/crash/_opt_teamviewer_tv_bin_TeamViewer.1000.crash
   640:0:117:50650525:2026-04-23 23:30:35.182523362 +0200:2026-04-23 23:30:35.211523361 +0200:/var/crash/_usr_bin_gdb.0.crash
   644:0:117:0:2026-04-23 23:30:35.182523362 +0200:2026-04-23 23:30:35.182523362 +0200:/var/crash/_usr_bin_gdb.0.upload
   600:112:117:37:2026-04-23 23:30:38.582401813 +0200:2026-04-23 23:30:38.582401813 +0200:/var/crash/_usr_bin_gdb.0.uploaded
  CurrentDesktop: ubuntu:GNOME
  Date: Thu Apr 23 23:42:17 2026
  InstallationDate: Installed on 2019-03-07 (2604 days ago)
  InstallationMedia: Ubuntu 18.04.2 LTS "Bionic Beaver" - Release amd64 (20190210)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to noble on 2026-04-23 (0 days ago)
  VarLogDistupgradeAptHistorylog:
   Start-Date: 2026-04-23  23:40:04
   Requested-By: paalfe (1000)
   End-Date: 2026-04-23  23:40:04
  VarLogDistupgradeApttermlog:
   Log started: 2026-04-23  23:40:04
   Log ended: 2026-04-23  23:40:04
  VarLogDistupgradeTermlog:

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