[Bug 1524457] Re: Unable to upgrade from Ubuntu 12.04 LTS to 14.04 LTS

[David Nuttall]

I can't seem to upload the apt-clone_system_state.tar.gz file.

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Title:
  Unable to upgrade from Ubuntu 12.04 LTS to 14.04 LTS

Status in update-manager package in Ubuntu:
  New

Bug description:
  While calculating upgrade requirements, Distribution Upgrade stopped with a dialog that read:
  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.

  None of that appeared to apply, so I did as instructed.  I had
  recently installed the latest updated from Ubuntu, prior to doing
  this.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: update-manager 1:0.156.14.19
  ProcVersionSignature: Ubuntu 3.13.0-73.116~precise1-generic 3.13.11-ckt30
  Uname: Linux 3.13.0-73-generic x86_64
  ApportVersion: 2.0.1-0ubuntu17.14
  Architecture: amd64
  Date: Wed Dec  9 13:22:21 2015
  GsettingsChanges:
   com.ubuntu.update-manager check-new-release-ignore 'trusty'
   com.ubuntu.update-manager first-run false
   com.ubuntu.update-manager launch-time 1449685242
   com.ubuntu.update-manager window-height 518
   com.ubuntu.update-manager window-width 600
  InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64 (20130213)
  MarkForUpload: True
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_CA:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  Symptom: ubuntu-release-upgrader-core
  UpgradeStatus: Upgraded to precise on 2015-12-09 (0 days ago)
  VarLogDistupgradeTermlog:

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