[Bug 1872136] Re: The system issued several error-messagens while upgrading from Ubuntu 18.04 to Ubuntu 20.04. I have the photos of the messages. If the informations sent to you by the system aren't enough, e-mail me. And I will send you them all (11 error message displays). Apparently most of stuff are ok. But, maybe the error messages are usefull to you. By the end of the instalation process I ot a message, kind off: Your system may not be opereational.

[Brian Murray]

I suspect the start of the upgrade failures happened around here:

2020-04-10 15:19:29,411 ERROR got an error from dpkg for pkg: 'libpam0g': '10.9677:installed libpam0g:amd64 package post-installation script subprocess was killed by signal (Segmentation fault), core dumped'
2020-04-10 15:19:29,411 DEBUG running apport_pkgfailure() libpam0g: 10.9677:installed libpam0g:amd64 package post-installation script subprocess was killed by signal (Segmentation fault), core dumped
2020-04-10 15:19:29,610 ERROR got an error from dpkg for pkg: 'libpam0g': '10.9677:installed libpam0g:amd64 package post-installation script subprocess was killed by signal (Segmentation fault), core dumped'

Do you have a syslog file which covers the time frame in which you
upgraded?

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

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Title:
  The system issued several error-messagens while upgrading from Ubuntu
  18.04 to Ubuntu 20.04. I have the photos of the messages. If the
  informations sent to you by the system aren't enough, e-mail me. And I
  will send you them all (11 error message displays). Apparently most of
  stuff are ok. But, maybe the error messages are usefull to you. By the
  end of the instalation process I ot a message, kind off: Your system
  may not be opereational.

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

Bug description:
  libpam0g
  libpam-modules-bin
  /var/cache/apt/archives/libpam-modules_1.3.1-5ubuntu4_amd64.deb
  libpam-modules
  libpam-runtime
  systemd
  systemd-timesyncd
  passwd

  acanto at acanto-Inspiron-5567:/$ lsb_release -rd
  Description:	Ubuntu Focal Fossa (development branch)
  Release:	20.04

  acanto at acanto-Inspiron-5567:/$ uname -a
  Linux acanto-Inspiron-5567 5.4.0-21-generic #25-Ubuntu SMP Sat Mar 28 13:10:28 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: ubuntu-release-upgrader-core 1:20.04.18
  ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
  Uname: Linux 5.4.0-21-generic x86_64
  ApportVersion: 2.20.11-0ubuntu26
  Architecture: amd64
  CasperMD5CheckResult: skip
  CrashDB: ubuntu
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Apr 10 16:53:54 2020
  InstallationDate: Installed on 2020-01-08 (93 days ago)
  InstallationMedia: Ubuntu 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  Symptom: release-upgrade
  UpgradeStatus: Upgraded to focal on 2020-04-10 (0 days ago)
  VarLogDistupgradeTermlog:

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