Public bug reported: I run: sudo update-manager -d Update manager says: You must check for updates manually. Options: Check and Close. I click: Check. It does: Updating cache. Then says: There are no updates to install. It says: New Ubuntu release '14.04.3 LTS' is available. I click: upgrade. Modal opens: Welcome to Ubuntu 14.04 'Trusty Tahr' I click: Upgrade. It says: Upgrading Ubuntu to version 14.04 Preparing to upgrade...Third party sources disabled: I click: Close. Setting new software channels. Fetching files 48 of 52... Could not determine upgrade... etc. I click close. Restoring original system state... dialog closes. No upgrade. I file this bug report.
ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: update-manager 1:0.156.14.19 ProcVersionSignature: Ubuntu 3.2.0-89.127-generic-pae 3.2.69 Uname: Linux 3.2.0-89-generic-pae i686 NonfreeKernelModules: nvidia ApportVersion: 2.0.1-0ubuntu17.9 Architecture: i386 Date: Thu Aug 20 23:46:40 2015 EcryptfsInUse: Yes GsettingsChanges: com.ubuntu.update-manager first-run false com.ubuntu.update-manager launch-time 1440110640 com.ubuntu.update-manager show-details true com.ubuntu.update-manager window-height 670 com.ubuntu.update-manager window-width 600 MarkForUpload: True PackageArchitecture: all ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=en_GB.UTF-8 SHELL=/bin/bash SourcePackage: update-manager Symptom: ubuntu-release-upgrader-core UpgradeStatus: Upgraded to precise on 2015-08-20 (0 days ago) VarLogDistupgradeTermlog: ** Affects: update-manager (Ubuntu) Importance: Undecided Status: New ** Tags: apport-bug dist-upgrade i386 precise running-unity -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1487232 Title: trying to upgrade lts 12.04 to 14.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1487232/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs