[Bug 1040990] [NEW] E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.

[Sanjeev Gupta]

Public bug reported:

This is a quantal upgraded from precise, daily updates/upgrades.

apt-get update completes successfully.  apt-get upgrade completes
successfully.

apt-get dist-upgrade :

root at precise-X201:~# apt-get dist-upgrade
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Calculating upgrade... Failed
The following packages have unmet dependencies:
 gnome-control-center : Breaks: metacity (< 1:2.34.2) but 1:2.34.1-1ubuntu11 is to be installed
E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.

There are no held packages.

root at precise-X201:~# lsb_release -rd
Description:	Ubuntu quantal (development branch)
Release:	12.10

root at precise-X201:~# apt-cache policy metacity
metacity:
  Installed: 1:2.34.1-1ubuntu11
  Candidate: 1:2.34.3-3ubuntu1
  Version table:
     1:2.34.3-3ubuntu1 0
        500 http://us.archive.ubuntu.com/ubuntu/ quantal-proposed/main amd64 Packages
        500 http://sg.archive.ubuntu.com/ubuntu/ quantal-proposed/main amd64 Packages
 *** 1:2.34.1-1ubuntu11 0
        500 http://uk.archive.ubuntu.com/ubuntu/ quantal/main amd64 Packages
        100 /var/lib/dpkg/status

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: update-manager 1:0.169
ProcVersionSignature: Ubuntu 3.5.0-11.11-generic 3.5.2
Uname: Linux 3.5.0-11-generic x86_64
ApportVersion: 2.5.1-0ubuntu1
Aptdaemon:
 
Architecture: amd64
Date: Fri Aug 24 10:15:33 2012
GsettingsChanges:
 b'com.ubuntu.update-manager' b'first-run' b'false'
 b'com.ubuntu.update-manager' b'launch-time' b'1339681272'
 b'com.ubuntu.update-manager' b'show-details' b'true'
 b'com.ubuntu.update-manager' b'window-height' b'587'
 b'com.ubuntu.update-manager' b'window-width' b'600'
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20111129.1)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_SG:en
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_SG.UTF-8
 SHELL=/bin/bash
SourcePackage: update-manager
UpgradeStatus: No upgrade log present (probably fresh install)

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


** Tags: amd64 apport-bug quantal

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https://bugs.launchpad.net/bugs/1040990

Title:
  E: Error, pkgProblemResolver::Resolve generated breaks, this may be
  caused by held packages.

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

Bug description:
  This is a quantal upgraded from precise, daily updates/upgrades.

  apt-get update completes successfully.  apt-get upgrade completes
  successfully.

  apt-get dist-upgrade :

  root at precise-X201:~# apt-get dist-upgrade
  Reading package lists... Done
  Building dependency tree       
  Reading state information... Done
  Calculating upgrade... Failed
  The following packages have unmet dependencies:
   gnome-control-center : Breaks: metacity (< 1:2.34.2) but 1:2.34.1-1ubuntu11 is to be installed
  E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.

  There are no held packages.

  root at precise-X201:~# lsb_release -rd
  Description:	Ubuntu quantal (development branch)
  Release:	12.10

  root at precise-X201:~# apt-cache policy metacity
  metacity:
    Installed: 1:2.34.1-1ubuntu11
    Candidate: 1:2.34.3-3ubuntu1
    Version table:
       1:2.34.3-3ubuntu1 0
          500 http://us.archive.ubuntu.com/ubuntu/ quantal-proposed/main amd64 Packages
          500 http://sg.archive.ubuntu.com/ubuntu/ quantal-proposed/main amd64 Packages
   *** 1:2.34.1-1ubuntu11 0
          500 http://uk.archive.ubuntu.com/ubuntu/ quantal/main amd64 Packages
          100 /var/lib/dpkg/status

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: update-manager 1:0.169
  ProcVersionSignature: Ubuntu 3.5.0-11.11-generic 3.5.2
  Uname: Linux 3.5.0-11-generic x86_64
  ApportVersion: 2.5.1-0ubuntu1
  Aptdaemon:
   
  Architecture: amd64
  Date: Fri Aug 24 10:15:33 2012
  GsettingsChanges:
   b'com.ubuntu.update-manager' b'first-run' b'false'
   b'com.ubuntu.update-manager' b'launch-time' b'1339681272'
   b'com.ubuntu.update-manager' b'show-details' b'true'
   b'com.ubuntu.update-manager' b'window-height' b'587'
   b'com.ubuntu.update-manager' b'window-width' b'600'
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20111129.1)
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_SG:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_SG.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  UpgradeStatus: No upgrade log present (probably fresh install)

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