[Bug 1069160] Re: Could not calculate the upgrade

[menschmeier]

Solved it by investigating apt.log:
Investigating (2) syslog-ng-core [ amd64 ] < 3.3.9-1ubuntu1 -> 3.5.3-1 > ( universe/admin )
Broken syslog-ng-core:amd64 Conflicts on linux-kernel-log-daemon [ amd64 ] < none > ( none )
  Conflicts//Breaks against version 5.8.11-2ubuntu4 for rsyslog but that is not InstVer, ignoring
  Conflicts//Breaks against version 2.1.0-8 for socklog-run but that is not InstVer, ignoring
  Conflicts//Breaks against version 2:1.9.2-1 for inetutils-syslogd but that is not InstVer, ignoring
  Conflicts//Breaks against version 0.6.0build2 for dsyslog but that is not InstVer, ignoring
  Conflicts//Breaks against version 1:1.21.0-1ubuntu1 for busybox-syslogd but that is not InstVer, ignoring
  Considering rsyslog:amd64 8 as a solution to syslog-ng-core:amd64 9
  Added rsyslog:amd64 to the remove list
Broken syslog-ng-core:amd64 Conflicts on system-log-daemon [ amd64 ] < none > ( none )
  Conflicts//Breaks against version 5.8.11-2ubuntu4 for rsyslog but that is not InstVer, ignoring
  Conflicts//Breaks against version 2.1.0-8 for socklog-run but that is not InstVer, ignoring
  Conflicts//Breaks against version 2:1.9.2-1 for inetutils-syslogd but that is not InstVer, ignoring
  Conflicts//Breaks against version 0.6.0build2 for dsyslog but that is not InstVer, ignoring
  Conflicts//Breaks against version 1:1.21.0-1ubuntu1 for busybox-syslogd but that is not InstVer, ignoring
  Considering rsyslog:amd64 8 as a solution to syslog-ng-core:amd64 9
  Added rsyslog:amd64 to the remove list
  Fixing syslog-ng-core:amd64 via keep of rsyslog:amd64
  MarkKeep rsyslog [ amd64 ] < none -> 7.4.4-1ubuntu2 > ( admin ) FU=0
  Fixing syslog-ng-core:amd64 via keep of rsyslog:amd64
Investigating (3) ubuntu-minimal [ amd64 ] < none -> 1.325 > ( metapackages )
Broken ubuntu-minimal:amd64 Depends on rsyslog [ amd64 ] < none -> 7.4.4-1ubuntu2 > ( admin )
  Considering rsyslog:amd64 9 as a solution to ubuntu-minimal:amd64 10002
  Considering rsyslog:amd64 9 as a solution to ubuntu-minimal:amd64 10002
Done


... and purging syslog-ng.

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https://bugs.launchpad.net/bugs/1069160

Title:
  Could not calculate the upgrade

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

Bug description:
  Calculating the changes

  Could not calculate the upgrade

  An unresolvable problem occurred while calculating the upgrade: 
  E:Unable to correct problems, you have held broken packages. 

  This can be caused by: 
  * Upgrading to a pre-release version of Ubuntu 
  * Running the current pre-release version of Ubuntu 
  * Unofficial software packages not provided by Ubuntu 

  If none of this applies, then please report this bug using the 
  command 'ubuntu-bug ubuntu-release-upgrader-core' in a terminal. 

  
  Restoring original system state

  Aborting
  Reading package lists... Done    
  Building dependency tree          
  Reading state information... Done
  Building data structures... Done 
  root at unode:/home/amcs#

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: ubuntu-release-upgrader-core (not installed)
  ProcVersionSignature: Ubuntu 3.2.0-33.52-generic 3.2.31
  Uname: Linux 3.2.0-33-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.0.1-0ubuntu14
  Architecture: amd64
  Date: Sat Oct 20 15:10:39 2012
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to precise on 2012-10-20 (0 days ago)

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