[Bug 1240707] [NEW] Migration failure to kubuntu 12.10 64bits (hostname, libpam-modules)

[Christophe Chisogne]

Public bug reported:

The migration from 12.04 LTS to 12.10 (64bits) failed on my box because of 2 packages dependency failures:
libpam-modules and hostname.

I recover it in a shell after reboot (no GUI was available btw) by 
- using repeated calls to aptitude -f install ( the process stopped several times because of "too many errors" messages)
- manually installing some packages
- manually removing some packages with failed dependencies
- manually installing the 2 above packages (aptitude install libpam-modules hostname)

I'm upgrading from 12.10 to 13.04 right now, and the same failure seems
to happen again during the package installation process (after the
download step). So I think this could affect users migrating from 12.04
TLS to the next TLS release.

FWIW, the original distribution installed on this box was 11.04 (Natty),
and I used some custom sources.list at some point (medibuntu and another
one to install the Zend PHP framework)

I did not investigate a lot, but this could be related to mixed
dependencies between 32bit and 64bit versions of some packages.

$ lsb_release -d
Description:    Ubuntu 12.10

$ aptitude search libpam-modules
BB  libpam-modules                  - Pluggable Authentication Modules for PAM  
p   libpam-modules:i386             - Pluggable Authentication Modules for PAM  
u   libpam-modules-bin              - Pluggable Authentication Modules for PAM -
p   libpam-modules-bin:i386         - Pluggable Authentication Modules for PAM -

$ apt-cache policy libpam-modules
libpam-modules:
  Installé : 1.1.3-7ubuntu3
  Candidat : 1.1.3-8ubuntu2
 Table de version :
     1.1.3-8ubuntu2 0
        500 http://be.archive.ubuntu.com/ubuntu/ raring/main amd64 Packages
 *** 1.1.3-7ubuntu3 0
        100 /var/lib/dpkg/status

$ apt-cache policy libpam-modules:i386
libpam-modules:i386:
  Installé : (aucun)
  Candidat : 1.1.3-8ubuntu2
 Table de version :
     1.1.3-8ubuntu2 0
        500 http://be.archive.ubuntu.com/ubuntu/ raring/main i386 Packages

$ apt-cache policy libpam-modules-bin
libpam-modules-bin:
  Installé : 1.1.3-8ubuntu2
  Candidat : 1.1.3-8ubuntu2
 Table de version :
 *** 1.1.3-8ubuntu2 0

$ apt-cache policy hostname
hostname:
  Installé : 3.11ubuntu1
  Candidat : 3.12ubuntu1
 Table de version :
     3.12ubuntu1 0
        500 http://be.archive.ubuntu.com/ubuntu/ raring/main amd64 Packages
 *** 3.11ubuntu1 0
        100 /var/lib/dpkg/status

$ apt-cache policy hostname:i386
hostname:i386:
  Installé : (aucun)
  Candidat : 3.12ubuntu1
 Table de version :
     3.12ubuntu1 0
        500 http://be.archive.ubuntu.com/ubuntu/ raring/main i386 Packages

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

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https://bugs.launchpad.net/bugs/1240707

Title:
  Migration failure to kubuntu 12.10 64bits (hostname, libpam-modules)

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

Bug description:
  The migration from 12.04 LTS to 12.10 (64bits) failed on my box because of 2 packages dependency failures:
  libpam-modules and hostname.

  I recover it in a shell after reboot (no GUI was available btw) by 
  - using repeated calls to aptitude -f install ( the process stopped several times because of "too many errors" messages)
  - manually installing some packages
  - manually removing some packages with failed dependencies
  - manually installing the 2 above packages (aptitude install libpam-modules hostname)

  I'm upgrading from 12.10 to 13.04 right now, and the same failure
  seems to happen again during the package installation process (after
  the download step). So I think this could affect users migrating from
  12.04 TLS to the next TLS release.

  FWIW, the original distribution installed on this box was 11.04
  (Natty), and I used some custom sources.list at some point (medibuntu
  and another one to install the Zend PHP framework)

  I did not investigate a lot, but this could be related to mixed
  dependencies between 32bit and 64bit versions of some packages.

  $ lsb_release -d
  Description:    Ubuntu 12.10

  $ aptitude search libpam-modules
  BB  libpam-modules                  - Pluggable Authentication Modules for PAM  
  p   libpam-modules:i386             - Pluggable Authentication Modules for PAM  
  u   libpam-modules-bin              - Pluggable Authentication Modules for PAM -
  p   libpam-modules-bin:i386         - Pluggable Authentication Modules for PAM -

  $ apt-cache policy libpam-modules
  libpam-modules:
    Installé : 1.1.3-7ubuntu3
    Candidat : 1.1.3-8ubuntu2
   Table de version :
       1.1.3-8ubuntu2 0
          500 http://be.archive.ubuntu.com/ubuntu/ raring/main amd64 Packages
   *** 1.1.3-7ubuntu3 0
          100 /var/lib/dpkg/status

  $ apt-cache policy libpam-modules:i386
  libpam-modules:i386:
    Installé : (aucun)
    Candidat : 1.1.3-8ubuntu2
   Table de version :
       1.1.3-8ubuntu2 0
          500 http://be.archive.ubuntu.com/ubuntu/ raring/main i386 Packages

  $ apt-cache policy libpam-modules-bin
  libpam-modules-bin:
    Installé : 1.1.3-8ubuntu2
    Candidat : 1.1.3-8ubuntu2
   Table de version :
   *** 1.1.3-8ubuntu2 0

  $ apt-cache policy hostname
  hostname:
    Installé : 3.11ubuntu1
    Candidat : 3.12ubuntu1
   Table de version :
       3.12ubuntu1 0
          500 http://be.archive.ubuntu.com/ubuntu/ raring/main amd64 Packages
   *** 3.11ubuntu1 0
          100 /var/lib/dpkg/status

  $ apt-cache policy hostname:i386
  hostname:i386:
    Installé : (aucun)
    Candidat : 3.12ubuntu1
   Table de version :
       3.12ubuntu1 0
          500 http://be.archive.ubuntu.com/ubuntu/ raring/main i386 Packages

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