[Bug 974400] [NEW] Impossible to upgrade to 12.4 from Kubuntu 11.10

[Olivier - interfaSys]

Public bug reported:

I typed "kubuntu-devel-release-upgrade"
It failed with "Could not determine the upgrade"

$ lsb_release -rd
Description:    Ubuntu 11.10
Release:        11.10

My apt sources
deb http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric main restricted 
deb-src http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric main restricted 
deb http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric-updates main restricted 
deb-src http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric-updates main restricted 
deb http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric universe 
deb-src http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric universe 
deb http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric-updates universe 
deb-src http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric-updates universe 
deb-src http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric multiverse 
deb-src http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric-updates multiverse 
deb http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric-security main restricted 
deb-src http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric-security main restricted 
deb http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric-security universe 
deb-src http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric-security universe 
deb http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric-security multiverse 
deb-src http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric-security multiverse 
deb http://archive.canonical.com/ubuntu/ oneiric partner 
deb-src http://archive.canonical.com/ubuntu/ oneiric partner 
deb http://extras.ubuntu.com/ubuntu/ oneiric main 
deb-src http://extras.ubuntu.com/ubuntu/ oneiric main

** Affects: update-manager (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: dist-upgrade

** Tags added: dist-upgrade

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https://bugs.launchpad.net/bugs/974400

Title:
  Impossible to upgrade to 12.4 from Kubuntu 11.10

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

Bug description:
  I typed "kubuntu-devel-release-upgrade"
  It failed with "Could not determine the upgrade"

  $ lsb_release -rd
  Description:    Ubuntu 11.10
  Release:        11.10

  My apt sources
  deb http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric main restricted 
  deb-src http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric main restricted 
  deb http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric-updates main restricted 
  deb-src http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric-updates main restricted 
  deb http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric universe 
  deb-src http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric universe 
  deb http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric-updates universe 
  deb-src http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric-updates universe 
  deb-src http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric multiverse 
  deb-src http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric-updates multiverse 
  deb http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric-security main restricted 
  deb-src http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric-security main restricted 
  deb http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric-security universe 
  deb-src http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric-security universe 
  deb http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric-security multiverse 
  deb-src http://mirror.switch.ch/ftp/mirror/ubuntu/ oneiric-security multiverse 
  deb http://archive.canonical.com/ubuntu/ oneiric partner 
  deb-src http://archive.canonical.com/ubuntu/ oneiric partner 
  deb http://extras.ubuntu.com/ubuntu/ oneiric main 
  deb-src http://extras.ubuntu.com/ubuntu/ oneiric main

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