[Bug 1707998] Re: Upgrade from 14.04.5 to 16.04 failed

[Launchpad Bug Tracker]

[Expired for ubuntu-release-upgrader (Ubuntu) because there has been no
activity for 60 days.]

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1707998

Title:
  Upgrade from 14.04.5 to 16.04 failed

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

Bug description:
  did a sudo do-release-upgrade
  started but ended with the message An unresolvable problem occurred while calculating the upgrade.

  1) lsb_release -rd
  Description:    Ubuntu 14.04.5 LTS
  Release:        14.04

  2) upgrade to 16.04

  3) Expected the system would upgrade

  4) message "An unresolvable problem occurred while calculating the
  upgrade." Upgrade stopped

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.9
  ProcVersionSignature: Ubuntu 3.5.0-32.53-generic 3.5.7.11
  Uname: Linux 3.5.0-32-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.25
  Architecture: amd64
  CrashDB: ubuntu
  Date: Tue Aug  1 21:28:44 2017
  InstallationDate: Installed on 2013-02-16 (1626 days ago)
  InstallationMedia: Ubuntu-Server 12.10 "Quantal Quetzal" - Release amd64 (20121017.2)
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_US:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2017-08-01 (0 days ago)

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