[Bug 1372521] Re: Could not calculate the Upgrade from 12.04 to 14.04

[Brian Murray]

*** This bug is a duplicate of bug 1388511 ***
    https://bugs.launchpad.net/bugs/1388511

** This bug has been marked a duplicate of bug 1388511
   "Could not calculate the upgrade. "12.04 ->14.04

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https://bugs.launchpad.net/bugs/1372521

Title:
  Could not calculate the Upgrade from 12.04 to 14.04

Status in “update-manager” package in Ubuntu:
  New

Bug description:
  I tried upgrading from 12.04 to 14.04 and received a "Could not
  calculate the Upgrade" error message.  As I am _not_

   * Upgrading to a pre-release version of Ubuntu
   * Running the current pre-release version of Ubuntu

  I am reporting this bug using the command 'ubuntu-bug ubuntu-release-
  upgrader-core' in a terminal as suggested by the error message.

  I _do_ note that I am likely to have "Unofficial software packages not
  provided by Ubuntu", but I would expect the upgrade process to be able
  to either work around that, or to provide me with additional
  information that would point me in the right direction.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: update-manager 1:0.156.14.17
  ProcVersionSignature: Ubuntu 3.2.0-67.101-generic 3.2.60
  Uname: Linux 3.2.0-67-generic x86_64
  ApportVersion: 2.0.1-0ubuntu17.6
  Architecture: amd64
  Date: Mon Sep 22 11:34:52 2014
  GsettingsChanges:
   com.ubuntu.update-manager first-run false
   com.ubuntu.update-manager launch-time 1411399575
   com.ubuntu.update-manager show-details true
   com.ubuntu.update-manager window-height 604
   com.ubuntu.update-manager window-width 600
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1)
  MarkForUpload: True
  PackageArchitecture: all
  ProcEnviron:
   SHELL=/bin/bash
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
  SourcePackage: update-manager
  Symptom: ubuntu-release-upgrader-core
  UpgradeStatus: Upgraded to precise on 2014-09-22 (0 days ago)
  VarLogDistupgradeTermlog:

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