[Bug 1632665] Re: ubuntu 14.04 upgrade to 16.04 An unresolvable problem occurred while calculating the upgrade.

[Ubuntu Foundations Team Bug Bot]

** Tags added: trusty2xenial

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https://bugs.launchpad.net/bugs/1632665

Title:
  ubuntu 14.04 upgrade to 16.04 An unresolvable problem occurred while
  calculating the upgrade.

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  after upgrade packages exe do-release-upgrade abort

  sudo apt-get update
  sudo apt-get upgrade
  sudo apt-get dist-upgrade

  do-release-upgrade

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.8
  ProcVersionSignature: Ubuntu 3.13.0-98.145-generic 3.13.11-ckt39
  Uname: Linux 3.13.0-98-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.21
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Wed Oct 12 18:52:09 2016
  InstallationDate: Installed on 2015-07-07 (462 days ago)
  InstallationMedia: Ubuntu-Kylin 14.04 LTS "Trusty Tahr" - Release amd64 (20140417.1)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2016-10-12 (0 days ago)
  mtime.conffile..etc.update.manager.release.upgrades: 2016-10-12T18:22:46.750879

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