[Bug 1946562] Re: package libpam-modules 1.3.1-5ubuntu4.3 failed to install/upgrade: pre-dependency problem - not installing libpam-modules:amd64

[Steve Langasek]

The error in your log is:

Setting up libpam0g:amd64 (1.3.1-5ubuntu4.3) ...
Fontconfig warning: "/etc/fonts/conf.avail/53-monospace-lcd-filter.conf", line 10: Having multiple values in <test> isn't supported and may not work as expected
Gdk-ESC[1;32mMessageESC[0m: ESC[34m17:05:36.146ESC[0m: frontend: Fatal IO error 2 (No such file or directory) on X server :0.

dpkg: error processing package libpam0g:amd64 (--configure):
 installed libpam0g:amd64 package post-installation script subprocess returned error exit status 1
Errors were encountered while processing:
 libpam0g:amd64

This indicates a crash in the debconf gnome frontend.  This may be the
result of a transient problem during the upgrade when packages are not
in a consistent state.

To try to resolve the issue, you can run 'sudo dpkg --configure -a &&
sudo apt -f install' from a terminal.

** Also affects: debconf (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: libgtk3-perl (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1946562

Title:
  package libpam-modules 1.3.1-5ubuntu4.3 failed to install/upgrade:
  pre-dependency problem - not installing libpam-modules:amd64

Status in debconf package in Ubuntu:
  New
Status in libgtk3-perl package in Ubuntu:
  New
Status in pam package in Ubuntu:
  New

Bug description:
  After upgrade from 18 LTS to 20 LTS, this started to appear

  ProblemType: Package
  DistroRelease: Ubuntu 20.04
  Package: libpam-modules 1.3.1-5ubuntu4.3
  ProcVersionSignature: Ubuntu 4.15.0-159.167-generic 4.15.18
  Uname: Linux 4.15.0-159-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.20
  Architecture: amd64
  CasperMD5CheckResult: skip
  Date: Sat Oct  9 17:05:38 2021
  ErrorMessage: pre-dependency problem - not installing libpam-modules:amd64
  InstallationDate: Installed on 2017-02-12 (1699 days ago)
  InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
  Python3Details: /usr/bin/python3.8, Python 3.8.10, python3-minimal, 3.8.2-0ubuntu2
  PythonDetails: /usr/bin/python2.7, Python 2.7.18, python-is-python2, 2.7.17-4
  RelatedPackageVersions:
   dpkg 1.19.7ubuntu3
   apt  2.0.6
  SourcePackage: pam
  Title: package libpam-modules 1.3.1-5ubuntu4.3 failed to install/upgrade: pre-dependency problem - not installing libpam-modules:amd64
  UpgradeStatus: Upgraded to focal on 2021-10-09 (0 days ago)

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