[Bug 2040187] Re: do-release-upgrade from 23.04 to 23.10 leaves system unbootable

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/2040187

Title:
  do-release-upgrade from 23.04 to 23.10 leaves system unbootable

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

Bug description:
  Install Ubuntu 23.04, then upgrade to the latest packages:

  0. Select UEFI-Boot, deselect Secure-Boot in BIOS
  1. Install Ubuntu 23.04 from ISO to root on zfs
  2. apt update
  3. apt upgrade
  4. apt dist-upgrade
  5. apt full-upgrade
  6. apt autoremove
  7. apt autoclean
  8. reboot

  9. install ubuntu-release-upgrader-core if it is not installed
  10. remove all snapshots: zfs list -r -o name -t snapshot | xargs -n1 zfs destroy
  11. do-release-upgrade --devel-release --allow-third-party
  12. Wait ubuntu installing over 1400 packages, removing about 140 packages, doing some cleanup
  13. reboot
  14. Watch Ubuntu booting into UEFI menu
  15. Have some analysis done.

  Grub is missing from the just upgraded system.

  ProblemType: Bug
  DistroRelease: Ubuntu 23.04
  Package: ubuntu-release-upgrader-core 1:23.04.7
  ProcVersionSignature: Ubuntu 6.2.0-35.35-generic 6.2.16
  Uname: Linux 6.2.0-35-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.26.1-0ubuntu2.1
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CrashDB: ubuntu
  Date: Mon Oct 23 21:57:15 2023
  InstallationDate: Installed on 2021-01-19 (1006 days ago)
  InstallationMedia: Xubuntu 20.10 "Groovy Gorilla" - Release amd64 (20201022)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: No upgrade log present (probably fresh install)

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