Public bug reported: I really don't have any additional information to report, but this bug description is mandatory. Preparation completed, and then it reported that some information was missing in the etc folder. I never touch that thing myself.
ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: ubuntu-release-upgrader-core 1:20.04.41 ProcVersionSignature: Ubuntu 5.4.0-216.236-generic 5.4.291 Uname: Linux 5.4.0-216-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.31 Architecture: amd64 CasperMD5CheckResult: skip CrashDB: ubuntu Date: Sat Oct 25 12:19:05 2025 DistributionChannelDescriptor: # This is the distribution channel descriptor for the OEM CDs # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor canonical-oem-somerville-bionic-amd64-20180608-47+loki-n3-v3-whl+X32 InstallationDate: Installed on 2020-11-17 (1803 days ago) InstallationMedia: Ubuntu 18.04 "Bionic" - Build amd64 LIVE Binary 20180608-09:38 PackageArchitecture: all ProcEnviron: PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: ubuntu-release-upgrader UpgradeStatus: Upgraded to focal on 2025-10-25 (0 days ago) VarLogDistupgradeAptlog: Log time: 2025-10-25 12:16:04.589855 Log time: 2025-10-25 12:16:18.405827 Log time: 2025-10-25 12:17:44.884620 Log time: 2025-10-25 12:19:09.619372 VarLogDistupgradeTermlog: mtime.conffile..etc.update-manager.release-upgrades: 2024-06-21T08:46:55.639197 ** Affects: ubuntu-release-upgrader (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug dist-upgrade focal -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2129797 Title: upgrade failed after preparation. I have a default system on an old Dell machine. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/2129797/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
