[Bug 1529490] [NEW] canot upgrade from 14.04 to last version

[Alessandro Antonangeli]

Public bug reported:

Ubuntu 14.04.3 LTS

I t told me there was an upgrade but it didn't manage to do it than i did:
do-release-upgrade
but it didnt work: Than i did
 sudo apt-get update && sudo apt-get dist-upgrade
and again
do-release-upgrade
but it ended saying:
Impossibile calcolare l'avanzamento 

Si è verificato un problema irrisolvibile durante il calcolo 
dell'avanzamento. 

I motivi possono essere: 
* L'avanzamento a una versione di pre-rilascio di Ubuntu 
* L'esecuzione dell'attuale versione di pre-rilascio di Ubuntu 
* Pacchetti software non ufficiali non forniti da Ubuntu 

Se non vengono installati, segnalare il problema usando il comando 
«ubuntu-bug ubuntu-release-upgrader-core» in un terminale.

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: wl nvidia
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: Unity
Date: Sun Dec 27 16:49:59 2015
InstallationDate: Installed on 2011-09-13 (1566 days ago)
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to trusty on 2015-12-27 (0 days ago)
mtime.conffile..etc.update.manager.release.upgrades: 2015-12-18T09:50:42.797953

** 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/1529490

Title:
  canot upgrade from 14.04 to last version

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

Bug description:
  Ubuntu 14.04.3 LTS

  I t told me there was an upgrade but it didn't manage to do it than i did:
  do-release-upgrade
  but it didnt work: Than i did
   sudo apt-get update && sudo apt-get dist-upgrade
  and again
  do-release-upgrade
  but it ended saying:
  Impossibile calcolare l'avanzamento 

  Si è verificato un problema irrisolvibile durante il calcolo 
  dell'avanzamento. 

  I motivi possono essere: 
  * L'avanzamento a una versione di pre-rilascio di Ubuntu 
  * L'esecuzione dell'attuale versione di pre-rilascio di Ubuntu 
  * Pacchetti software non ufficiali non forniti da Ubuntu 

  Se non vengono installati, segnalare il problema usando il comando 
  «ubuntu-bug ubuntu-release-upgrader-core» in un terminale.

  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: wl nvidia
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Sun Dec 27 16:49:59 2015
  InstallationDate: Installed on 2011-09-13 (1566 days ago)
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2015-12-27 (0 days ago)
  mtime.conffile..etc.update.manager.release.upgrades: 2015-12-18T09:50:42.797953

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