[Bug 2078373] Re: do-release-upgrade from 22.04 to 24.04 failed due to wanting to remove postgresql-9.6

[Julian Andres Klode]

This is by design and not a bug, you will want to figure out a
transition strategy for your database first, remove postgres, upgrade to
noble and then install the new version of postgres, as you otherwise
risk data loss.

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

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https://bugs.launchpad.net/bugs/2078373

Title:
  do-release-upgrade from 22.04 to 24.04 failed due to wanting to remove
  postgresql-9.6

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

Bug description:
  Tried to do-release-upgrade under Ubuntu 22.04 in WSL, and got the
  following:

  Could not calculate the upgrade

  An unresolvable problem occurred while calculating the upgrade.

  The package 'postgresql-9.6' is marked for removal but it is in the
  removal deny list.

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: ubuntu-release-upgrader-core 1:22.04.19
  Uname: Linux 5.15.123.1-microsoft-standard-WSL2+ x86_64
  ApportVersion: 2.20.11-0ubuntu82.6
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CrashDB: ubuntu
  CrashReports:
   640:1000:140:34766:2024-07-16 21:31:26.479690890 -0700:2024-07-16 21:31:26.479690890 -0700:/var/crash/_usr_bin_docker-compose.1000.crash
   640:0:140:23130:2024-07-21 14:33:19.144198622 -0700:2024-07-21 14:33:19.144198622 -0700:/var/crash/_usr_bin_add-apt-repository.0.crash
  Date: Thu Aug 29 13:01:17 2024
  PackageArchitecture: all
  ProcEnviron:
   LC_CTYPE=en_US.UTF-8
   TERM=xterm
   PATH=(custom, no user)
   LANG=C.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to jammy on 2024-08-29 (0 days ago)
  VarLogDistupgradeAptHistorylog:
   Start-Date: 2024-08-29  12:57:29
   Requested-By: terry (1000)
   End-Date: 2024-08-29  12:57:29
  VarLogDistupgradeApttermlog:
   Log started: 2024-08-29  12:57:29
   Log ended: 2024-08-29  12:57:29
  VarLogDistupgradeLspcitxt:
   3ab2:00:00.0 3D controller [0302]: Microsoft Corporation Device [1414:008e]
   d4fe:00:00.0 System peripheral [0880]: Red Hat, Inc. Virtio file system [1af4:105a] (rev 01)
   f08b:00:00.0 SCSI storage controller [0100]: Red Hat, Inc. Virtio console [1af4:1043] (rev 01)

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