** Description changed: -Source package: ubuntu-release-upgrader-core 1) lsb_release -rd: Description: Ubuntu 16.04.5 LTS Release: 16.04 2) apt-cache policy ubuntu-release-upgrader-core: ubuntu-release-upgrader-core: - Installato: 1:16.04.25 - Candidato: 1:16.04.25 - Tabella versione: - *** 1:16.04.25 500 - 500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages - 500 http://archive.ubuntu.com/ubuntu xenial-updates/main i386 Packages - 500 http://archive.ubuntu.com/ubuntu xenial-security/main amd64 Packages - 500 http://archive.ubuntu.com/ubuntu xenial-security/main i386 Packages - 100 /var/lib/dpkg/status - 1:16.04.12 500 - 500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages - 500 http://archive.ubuntu.com/ubuntu xenial/main i386 Packages - + Installato: 1:16.04.25 + Candidato: 1:16.04.25 + Tabella versione: + *** 1:16.04.25 500 + 500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages + 500 http://archive.ubuntu.com/ubuntu xenial-updates/main i386 Packages + 500 http://archive.ubuntu.com/ubuntu xenial-security/main amd64 Packages + 500 http://archive.ubuntu.com/ubuntu xenial-security/main i386 Packages + 100 /var/lib/dpkg/status + 1:16.04.12 500 + 500 http://archive.ubuntu.com/ubuntu xenial/main amd64 Packages + 500 http://archive.ubuntu.com/ubuntu xenial/main i386 Packages 3) I expected to upgrade smoothly from Ubuntu 16.04 LTS to 18.04 LTS. 4) Instead, when using 'sudo do-release-upgrade' the process stops, throwing the error message 'could not calculate upgrade' and suggesting different causes. Unfortunately, all of them are beyond my understanding and therefore I don't know which package could cause this problem. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: ubuntu-release-upgrader-core 1:16.04.25 ProcVersionSignature: Ubuntu 4.4.0-133.159-generic 4.4.134 Uname: Linux 4.4.0-133-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.18 Architecture: amd64 CrashDB: ubuntu CurrentDesktop: Unity Date: Mon Aug 20 18:15:32 2018 InstallationDate: Installed on 2014-06-21 (1520 days ago) InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1) PackageArchitecture: all SourcePackage: ubuntu-release-upgrader UpgradeStatus: Upgraded to xenial on 2018-08-20 (0 days ago)
** Tags added: xenial2bionic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1787990 Title: Failed upgrade from 16.04 to 18.04: could not calculate upgrade To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1787990/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
