[Bug 2139618] Re: 24.04 LTS won't install due to PostgreSQL 15

[Nick Rosbrook]

Where did you install postgresql-15 from? As far as I can tell, that
version is not available in any supported Ubuntu release. Please share
the output of:

$ apt policy postgresql-15


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

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Title:
  24.04 LTS won't install due to PostgreSQL 15

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

Bug description:
  When trying to upgrade from xUbuntu 22.04 LTS to 24.04 LTS I get this
  error:

  The package 'postgresql-15' is marked for removal but it is in the 
  removal deny list. 

  To prevent data loss, postgresql packages are not removed 
  automatically during the upgrade. If you are certain you no longer 
  need postgresql-15, you can manually remove it and try the upgrade 
  again. 

  If none of this applies, then please report this bug using the 
  command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. If 
  you want to investigate this yourself the log files in 
  '/var/log/dist-upgrade' will contain details about the upgrade. 
  Specifically, look at 'main.log' and 'apt.log'. 


  However I need to stay on PostgreSQL 15 due to that is what we are
  using. I need to get past this error and keep postgresql-15 on my
  system until such time as we plan an upgrade.

  Thank you,
  Richard Knechtel

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: ubuntu-release-upgrader-core 1:22.04.20
  ProcVersionSignature: Ubuntu 6.8.0-94.96~22.04.1-generic 6.8.12
  Uname: Linux 6.8.0-94-generic x86_64
  ApportVersion: 2.20.11-0ubuntu82.10
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CrashDB: ubuntu
  CrashReports:
   640:1000:127:181100:2026-02-02 10:23:39.944026717 -0600:2026-02-02 10:23:39.963017217 -0600:/var/crash/_opt_VBoxGuestAdditions-7.0.20_bin_VBoxClient.1000.crash
   644:1000:127:0:2026-02-02 10:23:39.944026717 -0600:2026-02-02 10:23:39.944026717 -0600:/var/crash/_opt_VBoxGuestAdditions-7.0.20_bin_VBoxClient.1000.upload
   600:120:127:5:2026-02-02 10:23:40.815590716 -0600:2026-02-02 10:23:40.815590716 -0600:/var/crash/_opt_VBoxGuestAdditions-7.0.20_bin_VBoxClient.1000.uploaded
  CurrentDesktop: XFCE
  Date: Mon Feb  2 11:33:28 2026
  InstallationDate: Installed on 2021-08-27 (1620 days ago)
  InstallationMedia: Xubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to jammy on 2026-02-02 (0 days ago)
  VarLogDistupgradeAptHistorylog:
   Start-Date: 2026-02-02  11:32:31
   Requested-By: rknechtel (1000)
   End-Date: 2026-02-02  11:32:31
  VarLogDistupgradeApttermlog:
   Log started: 2026-02-02  11:32:31
   Log ended: 2026-02-02  11:32:31

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