[Bug 2146863] [NEW] Ubuntu 25.10 upgrade seems to fail on a liquorix kernel that's long since been uninstalled and reverted to generic (and the repos for it)

[Marty Davis]

Public bug reported:

It fails when upgrading to kubuntu 26.04 beta.

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
NonfreeKernelModules: zfs nvidia_modeset nvidia
ApportVersion: 2.33.1-0ubuntu3
Architecture: amd64
CasperMD5CheckResult: unknown
CrashDB: ubuntu
CrashReports:
 640:1000:110:94369581:2026-03-26 06:30:13.944476617 -0700:2026-03-26 06:30:02.383937380 -0700:/var/crash/_usr_bin_plasma-discover.1000.crash
 600:0:110:544451:2026-03-26 13:19:20.719511437 -0700:2026-03-26 13:19:20.708557677 -0700:/var/crash/linux-image-6.19.10-1-liquorix-amd64.0.crash
 640:1000:110:119000830:2026-03-30 17:22:11.762969691 -0700:2026-03-30 17:21:51.200299347 -0700:/var/crash/_usr_bin_plasmashell.1000.crash
CurrentDesktop: KDE
Date: Mon Mar 30 22:02:04 2026
InstallationDate: Installed on 2024-12-03 (483 days ago)
InstallationMedia: Kubuntu 24.10 "Oracular Oriole" - Release amd64 (20241007.6)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to questing on 2026-03-31 (0 days ago)
VarLogDistupgradeAptHistorylog:
 Start-Date: 2026-03-30  21:59:06
 Requested-By: munchman (1000)
 End-Date: 2026-03-30  21:59:06
VarLogDistupgradeApttermlog:
 Log started: 2026-03-30  21:59:06
 Log ended: 2026-03-30  21:59:06

** 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/2146863

Title:
  Ubuntu 25.10 upgrade seems to fail on a liquorix kernel that's long
  since been uninstalled and reverted to generic (and the repos for it)

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

Bug description:
  It fails when upgrading to kubuntu 26.04 beta.

  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
  NonfreeKernelModules: zfs nvidia_modeset nvidia
  ApportVersion: 2.33.1-0ubuntu3
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CrashDB: ubuntu
  CrashReports:
   640:1000:110:94369581:2026-03-26 06:30:13.944476617 -0700:2026-03-26 06:30:02.383937380 -0700:/var/crash/_usr_bin_plasma-discover.1000.crash
   600:0:110:544451:2026-03-26 13:19:20.719511437 -0700:2026-03-26 13:19:20.708557677 -0700:/var/crash/linux-image-6.19.10-1-liquorix-amd64.0.crash
   640:1000:110:119000830:2026-03-30 17:22:11.762969691 -0700:2026-03-30 17:21:51.200299347 -0700:/var/crash/_usr_bin_plasmashell.1000.crash
  CurrentDesktop: KDE
  Date: Mon Mar 30 22:02:04 2026
  InstallationDate: Installed on 2024-12-03 (483 days ago)
  InstallationMedia: Kubuntu 24.10 "Oracular Oriole" - Release amd64 (20241007.6)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to questing on 2026-03-31 (0 days ago)
  VarLogDistupgradeAptHistorylog:
   Start-Date: 2026-03-30  21:59:06
   Requested-By: munchman (1000)
   End-Date: 2026-03-30  21:59:06
  VarLogDistupgradeApttermlog:
   Log started: 2026-03-30  21:59:06
   Log ended: 2026-03-30  21:59:06

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