[Bug 873607] [NEW] ubuntu-minimal package not found anymore during upgrade to ubuntu 11.10

[James Uffindell]

Public bug reported:

While upgrading to ubuntu 11.10 the updater failed with the following
message, instead of completing upgrade:

After your package information was updated the essential package 'ubuntu-minimal' can not be found anymore.
This indicates a serious error, please report this bug using the command 'ubuntu-bug update-manager' in a terminal and include the files in /var/log/dist-upgrade/ in the bug report.

$lsb_release -rd
Description:	Ubuntu 11.04
Release:	11.04

$ apt-cache policy update-manager
update-manager:
  Installed: 1:0.150.3
  Candidate: 1:0.150.3
  Version table:
 *** 1:0.150.3 0
        500 http://gb.archive.ubuntu.com/ubuntu/ natty-updates/main amd64 Packages
        100 /var/lib/dpkg/status
     1:0.150 0
        500 http://gb.archive.ubuntu.com/ubuntu/ natty/main amd64 Packages

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: update-manager 1:0.150.3
ProcVersionSignature: Ubuntu 2.6.38-11.50-generic 2.6.38.8
Uname: Linux 2.6.38-11-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Thu Oct 13 19:43:19 2011
GConfNonDefault:
 /apps/update-manager/check_new_release_ignore=
 /apps/update-manager/first_run=false
 /apps/update-manager/window_size=(600,600)
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_GB:en
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SourcePackage: update-manager
UpgradeStatus: Upgraded to natty on 2011-10-13 (0 days ago)

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


** Tags: amd64 apport-bug natty running-unity

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https://bugs.launchpad.net/bugs/873607

Title:
  ubuntu-minimal package not found anymore during upgrade to ubuntu
  11.10

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

Bug description:
  While upgrading to ubuntu 11.10 the updater failed with the following
  message, instead of completing upgrade:

  After your package information was updated the essential package 'ubuntu-minimal' can not be found anymore.
  This indicates a serious error, please report this bug using the command 'ubuntu-bug update-manager' in a terminal and include the files in /var/log/dist-upgrade/ in the bug report.

  $lsb_release -rd
  Description:	Ubuntu 11.04
  Release:	11.04

  $ apt-cache policy update-manager
  update-manager:
    Installed: 1:0.150.3
    Candidate: 1:0.150.3
    Version table:
   *** 1:0.150.3 0
          500 http://gb.archive.ubuntu.com/ubuntu/ natty-updates/main amd64 Packages
          100 /var/lib/dpkg/status
       1:0.150 0
          500 http://gb.archive.ubuntu.com/ubuntu/ natty/main amd64 Packages

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: update-manager 1:0.150.3
  ProcVersionSignature: Ubuntu 2.6.38-11.50-generic 2.6.38.8
  Uname: Linux 2.6.38-11-generic x86_64
  NonfreeKernelModules: nvidia
  Architecture: amd64
  Date: Thu Oct 13 19:43:19 2011
  GConfNonDefault:
   /apps/update-manager/check_new_release_ignore=
   /apps/update-manager/first_run=false
   /apps/update-manager/window_size=(600,600)
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_GB:en
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  UpgradeStatus: Upgraded to natty on 2011-10-13 (0 days ago)

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