[Bug 2147023] [NEW] Cannot upgrade to Kubuntu 26.04 beta

[Michael Punch]

Public bug reported:

Upgrade fails from Kubuntu 25.10

ProblemType: Bug
DistroRelease: Ubuntu 25.10
Package: ubuntu-release-upgrader-core 1:25.10.8
ProcVersionSignature: Ubuntu 6.17.0-20.20-generic 6.17.13
Uname: Linux 6.17.0-20-generic x86_64
ApportVersion: 2.33.1-0ubuntu3
Architecture: amd64
CasperMD5CheckResult: unknown
CrashDB: ubuntu
CrashReports:
 640:1299:111:67430266:2026-03-28 15:27:45.751097256 +0100:2026-03-28 15:27:10.369856581 +0100:/var/crash/_usr_bin_plasmashell.1299.crash
 640:1299:111:12306818:2026-04-01 08:57:58.804288828 +0200:2026-04-01 08:57:51.543448157 +0200:/var/crash/_usr_bin_maliit-keyboard.1299.crash
 640:0:111:246261:2026-04-01 15:22:50.550153443 +0200:2026-04-01 15:22:46.301246680 +0200:/var/crash/_usr_libexec_bluetooth_bluetoothd.0.crash
CurrentDesktop: KDE
Date: Wed Apr  1 15:34:56 2026
InstallationDate: Installed on 2025-09-19 (194 days ago)
InstallationMedia: Kubuntu 25.10 "Questing Quokka" - Beta amd64 (20250918)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to questing on 2026-04-01 (0 days ago)
VarLogDistupgradeAptHistorylog:
 Start-Date: 2026-04-01  15:33:59
 Requested-By: punch (1299)
 End-Date: 2026-04-01  15:33:59
VarLogDistupgradeApttermlog:
 Log started: 2026-04-01  15:33:59
 Log ended: 2026-04-01  15:33:59

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


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

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https://bugs.launchpad.net/bugs/2147023

Title:
  Cannot upgrade to Kubuntu 26.04 beta

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

Bug description:
  Upgrade fails from Kubuntu 25.10

  ProblemType: Bug
  DistroRelease: Ubuntu 25.10
  Package: ubuntu-release-upgrader-core 1:25.10.8
  ProcVersionSignature: Ubuntu 6.17.0-20.20-generic 6.17.13
  Uname: Linux 6.17.0-20-generic x86_64
  ApportVersion: 2.33.1-0ubuntu3
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CrashDB: ubuntu
  CrashReports:
   640:1299:111:67430266:2026-03-28 15:27:45.751097256 +0100:2026-03-28 15:27:10.369856581 +0100:/var/crash/_usr_bin_plasmashell.1299.crash
   640:1299:111:12306818:2026-04-01 08:57:58.804288828 +0200:2026-04-01 08:57:51.543448157 +0200:/var/crash/_usr_bin_maliit-keyboard.1299.crash
   640:0:111:246261:2026-04-01 15:22:50.550153443 +0200:2026-04-01 15:22:46.301246680 +0200:/var/crash/_usr_libexec_bluetooth_bluetoothd.0.crash
  CurrentDesktop: KDE
  Date: Wed Apr  1 15:34:56 2026
  InstallationDate: Installed on 2025-09-19 (194 days ago)
  InstallationMedia: Kubuntu 25.10 "Questing Quokka" - Beta amd64 (20250918)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to questing on 2026-04-01 (0 days ago)
  VarLogDistupgradeAptHistorylog:
   Start-Date: 2026-04-01  15:33:59
   Requested-By: punch (1299)
   End-Date: 2026-04-01  15:33:59
  VarLogDistupgradeApttermlog:
   Log started: 2026-04-01  15:33:59
   Log ended: 2026-04-01  15:33:59

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