[Bug 1535009] [NEW] dist-upgrade failed from 14.04.03

[Frantisek Jahoda]

Public bug reported:

$ sudo do-release-upgrade
...
Could not calculate the upgrade 

An unresolvable problem occurred while calculating the upgrade. 
...

frantisek at frantisek-desktop:~$ lsb_release -rd
Description:	Ubuntu 14.04.3 LTS
Release:	14.04

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubuntu-release-upgrader-core 1:0.220.8
ProcVersionSignature: Ubuntu 3.13.0-74.118-generic 3.13.11-ckt30
Uname: Linux 3.13.0-74-generic x86_64
NonfreeKernelModules: snd_hda_codec_generic snd_hda_core
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: Unity
Date: Sat Jan 16 23:48:36 2016
EcryptfsInUse: Yes
InstallationDate: Installed on 2014-05-21 (605 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to trusty on 2016-01-16 (0 days ago)
mtime.conffile..etc.update.manager.release.upgrades: 2016-01-15T23:33:43.318642

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug dist-upgrade trusty

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https://bugs.launchpad.net/bugs/1535009

Title:
  dist-upgrade failed from 14.04.03

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

Bug description:
  $ sudo do-release-upgrade
  ...
  Could not calculate the upgrade 

  An unresolvable problem occurred while calculating the upgrade. 
  ...

  frantisek at frantisek-desktop:~$ lsb_release -rd
  Description:	Ubuntu 14.04.3 LTS
  Release:	14.04

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.8
  ProcVersionSignature: Ubuntu 3.13.0-74.118-generic 3.13.11-ckt30
  Uname: Linux 3.13.0-74-generic x86_64
  NonfreeKernelModules: snd_hda_codec_generic snd_hda_core
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Sat Jan 16 23:48:36 2016
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-05-21 (605 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2016-01-16 (0 days ago)
  mtime.conffile..etc.update.manager.release.upgrades: 2016-01-15T23:33:43.318642

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