Public bug reported: We tried do-release-upgrade on a 14.04 machine today multiple times with all the same error. There are no held packages and everything is up to date for the old release. Error is:
---- Hit http://security.ubuntu.com vivid-security/universe Translation-en Fetched 0 B in 0s (0 B/s) Checking package manager Reading package lists... Done Building dependency tree Reading state information... Done Building data structures... Done Calculating the changes Calculating the changes Could not calculate the upgrade An unresolvable problem occurred while calculating the upgrade. This can be caused by: * Upgrading to a pre-release version of Ubuntu * Running the current pre-release version of Ubuntu * Unofficial software packages not provided by Ubuntu If none of this applies, then please report this bug using the command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. Restoring original system state … ---- /var/log/dist-upgrade/main.log shows ---- 2016-01-14 21:43:23,025 DEBUG /openCache(), new cache size 76304 2016-01-14 21:43:23,025 DEBUG need_server_mode(): run in 'desktop' mode, (because of pkg 'ubuntu-desktop') 2016-01-14 21:43:25,259 ERROR Dist-upgrade failed: 'E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.' 2016-01-14 21:43:25,260 DEBUG abort called ---- Thanks for any support in advance. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: ubuntu-release-upgrader-core 1:0.220.8 ProcVersionSignature: Ubuntu 3.13.0-74.118-generic 3.13.11-ckt30 Uname: Linux 3.13.0-74-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.19 Architecture: amd64 CrashDB: ubuntu CurrentDesktop: GNOME Date: Thu Jan 14 21:43:40 2016 InstallationDate: Installed on 2014-06-10 (583 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) PackageArchitecture: all SourcePackage: ubuntu-release-upgrader UpgradeStatus: Upgraded to trusty on 2016-01-14 (0 days ago) mtime.conffile..etc.update.manager.release.upgrades: 2016-01-14T20:50:42.707736 ** Affects: ubuntu-release-upgrader (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug dist-upgrade trusty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1534300 Title: Upgrade from 14.04 to 15.04 fails To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1534300/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
