[Bug 927993] Re: distibution upgrade from lucid to precise failed with a dpkg error

[Jean-Baptiste Lallement]

Thanks for your report.

>From term.log
===
Unpacking replacement initscripts ...
Processing triggers for man-db ...
Processing triggers for ureadahead ...
dpkg: error processing dpkg (--configure):
 package dpkg is already installed and configured
Errors were encountered while processing:
 dpkg
===

This is the same problem detected by auto upgrade testing.

** Changed in: update-manager (Ubuntu)
   Importance: Undecided => High

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

** Package changed: update-manager (Ubuntu) => apt (Ubuntu)

** Tags added: lucid2precise qa-daily-testing

** Summary changed:

- distibution upgrade from lucid to precise failed with a dpkg error
+ distibution upgrade from lucid to precise failed with :  package dpkg is already installed and configured

** Also affects: apt (Ubuntu Precise)
   Importance: High
       Status: Triaged

** Changed in: apt (Ubuntu Precise)
     Assignee: (unassigned) => Canonical Foundations Team (canonical-foundations)

** Tags added: rls-mgr-p-tracking

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https://bugs.launchpad.net/bugs/927993

Title:
  distibution upgrade from lucid to precise failed with :  package dpkg
  is already installed and configured

Status in “apt” package in Ubuntu:
  Triaged
Status in “apt” source package in Precise:
  Triaged

Bug description:
  At the same time I happened to receive a cron crash which I reported
  as bug 927923.

  -rw-r--r-- 1 ubuntu ubuntu 493K 2012-02-06 13:34 dpkg.0.crash
  -rw------- 1 root   root   150K 2012-02-06 13:34 _usr_sbin_cron.0.crash

  The error message I received from dpkg looks similar to bug 541595.

  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: update-manager (not installed)
  ProcVersionSignature: Ubuntu 2.6.32-38.83-server 2.6.32.52+drm33.21
  Uname: Linux 2.6.32-38-server x86_64
  Architecture: amd64
  Date: Mon Feb  6 17:33:25 2012
  InstallationMedia: Ubuntu-Server 10.04.3 LTS "Lucid Lynx" - Release amd64 (20110719.2)
  ProcEnviron:
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager

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