[Bug 1575440] [NEW] Ubuntu 14.04 upgrade to 16.04

[MARCOS ANTONIO DE SOUZA SILVA]

Public bug reported:

I run:

sudo apt-get update

sudo apt-get dist-upgrade

sudo apt-get install update-manager-core

sudo do-release-upgrade -d

throws error:

'calculating measure changes

Could not calculate the upgrade

An unsolvable problem occurred while calculating the upgrade.

Possible causes are:
* An update to a version pre-release of Ubuntu;
* Run from a pre-release version of Ubuntu;
* Use of unofficial packages not provided by Ubuntu; '

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubuntu-release-upgrader-core 1:0.220.8
ProcVersionSignature: Ubuntu 3.13.0-86.130-generic 3.13.11-ckt39
Uname: Linux 3.13.0-86-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.14.1-0ubuntu3.20
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: Unity
Date: Tue Apr 26 21:43:01 2016
InstallationDate: Installed on 2015-04-13 (379 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to trusty on 2016-04-27 (0 days ago)

** 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/1575440

Title:
  Ubuntu 14.04 upgrade to 16.04

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

Bug description:
  I run:

  sudo apt-get update

  sudo apt-get dist-upgrade

  sudo apt-get install update-manager-core

  sudo do-release-upgrade -d

  throws error:

  'calculating measure changes

  Could not calculate the upgrade

  An unsolvable problem occurred while calculating the upgrade.

  Possible causes are:
  * An update to a version pre-release of Ubuntu;
  * Run from a pre-release version of Ubuntu;
  * Use of unofficial packages not provided by Ubuntu; '

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.8
  ProcVersionSignature: Ubuntu 3.13.0-86.130-generic 3.13.11-ckt39
  Uname: Linux 3.13.0-86-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.14.1-0ubuntu3.20
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Tue Apr 26 21:43:01 2016
  InstallationDate: Installed on 2015-04-13 (379 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2016-04-27 (0 days ago)

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