[Bug 1351625] Re: Unable to upgrade from 12.04 LTS to 14.04 LTS

[Brian Murray]

This failed because you have python3 installed from a PPA.

libpython3.4 3.4.0-2ubuntu1irie1~precise1 0
libpython3.4-minimal 3.4.0-2ubuntu1irie1~precise1 1
libpython3.4-stdlib 3.4.0-2ubuntu1irie1~precise1 1

The version number of python3 from that PPA is greater than the one in
the Trusty release, so the release upgrader fails to calculate the
upgrade.

You'll need to remove that PPA using the tool ppa-purge for the upgrade
to be calculated successfully and complete.

** Changed in: update-manager (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1351625

Title:
  Unable to upgrade from 12.04 LTS to 14.04 LTS

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

Bug description:
  I am unable to upgrade from 12.04 LTS release to 14.04. I just filled
  decided to share the error log; I don't know how these things work!

  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: Sat Aug  2 17:03:23 2014
  DistributionChannelDescriptor:
   # This is a distribution channel descriptor
   # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
   canonical-oem-somerville-precise-amd64-20120703-2
  GsettingsChanges:
   com.ubuntu.update-manager first-run false
   com.ubuntu.update-manager launch-time 1406990844
   com.ubuntu.update-manager show-details true
   com.ubuntu.update-manager window-height 778
   com.ubuntu.update-manager window-width 600
  InstallationMedia: Ubuntu 12.04 "Precise" - Build amd64 LIVE Binary 20120703-15:08
  MarkForUpload: True
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=ca_ES.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  Symptom: ubuntu-release-upgrader-core
  UpgradeStatus: Upgraded to precise on 2014-08-02 (0 days ago)

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