Public bug reported: I ran do-release-upgrade -d on a development server. I had to install the old imagemagick 6 libs to hack-around issues in the version 7.
ProblemType: Package DistroRelease: Ubuntu 20.04 Package: imagemagick-6-common 8:6.9.10.23+dfsg-2.1ubuntu11 ProcVersionSignature: Ubuntu 4.15.0-99.100-generic 4.15.18 Uname: Linux 4.15.0-99-generic x86_64 ApportVersion: 2.20.11-0ubuntu27 Architecture: amd64 CasperMD5CheckResult: skip Date: Tue May 5 15:45:29 2020 Dependencies: ErrorMessage: conffile difference visualizer subprocess returned error exit status 127 InstallationDate: Installed on 2017-03-18 (1143 days ago) InstallationMedia: Ubuntu-Server 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) PackageArchitecture: all Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.2-0ubuntu2 PythonDetails: /usr/bin/python2.7, Python 2.7.18rc1, python-is-python2, 2.7.17-4 RelatedPackageVersions: dpkg 1.19.7ubuntu3 apt 2.0.2 SourcePackage: imagemagick Title: package imagemagick-6-common 8:6.9.10.23+dfsg-2.1ubuntu11 failed to install/upgrade: conffile difference visualizer subprocess returned error exit status 127 UpgradeStatus: Upgraded to focal on 2020-05-05 (0 days ago) modified.conffile..etc.ImageMagick-6.type-urw-base35.xml: [deleted] mtime.conffile..etc.ImageMagick-6.policy.xml: 2018-10-09T10:18:01.399661 ** Affects: imagemagick (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/1876986 Title: 20.02 LTS upgrade fails with package imagemagick-6-common 8:6.9.10.23+dfsg-2.1ubuntu11 failed to install/upgrade: conffile difference visualizer subprocess returned error exit status 127 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/imagemagick/+bug/1876986/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs