Public bug reported: Received this prior to, and following, a reboot at end of upgrade from 19.10 to 20.04 on Oct 13, 2020. This machine has been upgraded from 18.10 to 19.04 to 19.10 to 20.04 over the last two days.
ProblemType: Package DistroRelease: Ubuntu 20.04 Package: postfix-doc 3.4.13-0ubuntu1 ProcVersionSignature: Ubuntu 5.4.0-48.52-generic 5.4.60 Uname: Linux 5.4.0-48-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.9 Architecture: amd64 CasperMD5CheckResult: skip Date: Tue Oct 13 13:00:56 2020 Dependencies: DuplicateSignature: package:postfix-doc:3.4.13-0ubuntu1 Removing postfix-doc (3.4.13-0ubuntu1) ... postconf: fatal: open /etc/postfix/main.cf for reading: No such file or directory dpkg: error processing package postfix-doc (--remove): installed postfix-doc package pre-removal script subprocess returned error exit status 1 ErrorMessage: installed postfix-doc package pre-removal script subprocess returned error exit status 1 InstallationDate: Installed on 2018-11-14 (698 days ago) InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017.3) PackageArchitecture: all Python3Details: /usr/bin/python3.8, Python 3.8.5, 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 2.0.2ubuntu0.1 SourcePackage: postfix Title: package postfix-doc 3.4.13-0ubuntu1 failed to install/upgrade: installed postfix-doc package pre-removal script subprocess returned error exit status 1 UpgradeStatus: Upgraded to focal on 2020-10-13 (0 days ago) ** Affects: postfix (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-package focal -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1899682 Title: package postfix-doc 3.4.13-0ubuntu1 failed to install/upgrade: installed postfix-doc package pre-removal script subprocess returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/postfix/+bug/1899682/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs