[Bug 2141365] [NEW] Obtaining a "Could not calculate the upgrade" error

[DeWayne Townsend]

Public bug reported:

Attempting to upgrade from 25.04 to 25.10 and receive an error regarding
the inability to calculate the upgrade.

ProblemType: Bug
DistroRelease: Ubuntu 25.04
Package: ubuntu-release-upgrader-core 1:25.04.18
ProcVersionSignature: Ubuntu 6.14.0-37.37-generic 6.14.11
Uname: Linux 6.14.0-37-generic x86_64
ApportVersion: 2.32.0-0ubuntu5.3
Architecture: amd64
CasperMD5CheckResult: pass
CrashDB: ubuntu
CrashReports: 640:1000:109:268518957:2026-02-08 16:36:49.166898965 -0600:2026-02-08 16:36:50.166898965 -0600:/var/crash/_usr_bin_nautilus.1000.crash
CurrentDesktop: ubuntu:GNOME
Date: Mon Feb  9 19:13:29 2026
InstallationDate: Installed on 2024-11-06 (460 days ago)
InstallationMedia: Ubuntu 24.10 "Oracular Oriole" - Release amd64 (20241009.4)
PackageArchitecture: all
ProcEnviron:
 LANG=en_US.UTF-8
 PATH=(custom, no user)
 SHELL=/bin/bash
 TERM=xterm-256color
 XDG_RUNTIME_DIR=<set>
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to plucky on 2026-02-10 (0 days ago)
VarLogDistupgradeAptHistorylog:
 Start-Date: 2026-02-09  18:19:20
 Requested-By: town0045 (1000)
 End-Date: 2026-02-09  18:19:20
VarLogDistupgradeApttermlog:
 Log started: 2026-02-09  18:19:20
 Log ended: 2026-02-09  18:19:20
VarLogDistupgradeTermlog:

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


** Tags: amd64 apport-bug dist-upgrade plucky third-party-packages wayland-session

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https://bugs.launchpad.net/bugs/2141365

Title:
  Obtaining a "Could not calculate the upgrade" error

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

Bug description:
  Attempting to upgrade from 25.04 to 25.10 and receive an error
  regarding the inability to calculate the upgrade.

  ProblemType: Bug
  DistroRelease: Ubuntu 25.04
  Package: ubuntu-release-upgrader-core 1:25.04.18
  ProcVersionSignature: Ubuntu 6.14.0-37.37-generic 6.14.11
  Uname: Linux 6.14.0-37-generic x86_64
  ApportVersion: 2.32.0-0ubuntu5.3
  Architecture: amd64
  CasperMD5CheckResult: pass
  CrashDB: ubuntu
  CrashReports: 640:1000:109:268518957:2026-02-08 16:36:49.166898965 -0600:2026-02-08 16:36:50.166898965 -0600:/var/crash/_usr_bin_nautilus.1000.crash
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Feb  9 19:13:29 2026
  InstallationDate: Installed on 2024-11-06 (460 days ago)
  InstallationMedia: Ubuntu 24.10 "Oracular Oriole" - Release amd64 (20241009.4)
  PackageArchitecture: all
  ProcEnviron:
   LANG=en_US.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=xterm-256color
   XDG_RUNTIME_DIR=<set>
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to plucky on 2026-02-10 (0 days ago)
  VarLogDistupgradeAptHistorylog:
   Start-Date: 2026-02-09  18:19:20
   Requested-By: town0045 (1000)
   End-Date: 2026-02-09  18:19:20
  VarLogDistupgradeApttermlog:
   Log started: 2026-02-09  18:19:20
   Log ended: 2026-02-09  18:19:20
  VarLogDistupgradeTermlog:

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