Update manager crashes on upgrade

[John Kirwan]

Update manager crashes on upgrade from precise to quantal. According to the terminal:

Could not determine the upgrade

An unresolvable problem occurred while calculating the upgrade:
The package 'postgresql-contrib-8.2' is marked for removal but it is
in the removal blacklist.

In addition, sysvutils cannot be installed or reinstalled and attempting to do so crashes the update manager.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: update-manager 1:0.156.14.11
ProcVersionSignature: Ubuntu 3.2.0-33.52-generic 3.2.31
Uname: Linux 3.2.0-33-generic i686
ApportVersion: 2.0.1-0ubuntu14
Architecture: i386
Date: Wed Oct 31 16:57:45 2012
GsettingsChanges:
 com.ubuntu.update-manager first-run false
 com.ubuntu.update-manager launch-time 1351701611
 com.ubuntu.update-manager show-details true
 com.ubuntu.update-manager window-height 621
 com.ubuntu.update-manager window-width 600
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
PackageArchitecture: all
SourcePackage: update-manager
Symptom: ubuntu-release-upgrader-core
UpgradeStatus: Upgraded to precise on 2012-10-31 (0 days ago)
VarLogDistupgradeAptclonesystemstate.tar.gz: Error: [Errno 13] Permission denied: '/var/log/dist-upgrade/apt-clone_system_state.tar.gz'