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

[Richard K]

Public bug reported:

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

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


** Tags: amd64 apport-bug dist-upgrade jammy third-party-packages

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https://bugs.launchpad.net/bugs/2139618

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

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

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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