Upgrade to 14.04 failed. Unresolvable error. No specifics given. Sent report via ubuntu-bug ubuntu-release-upgrader-core

[spammesilly]

dang@ICHTHYS:~$ lsb_release -rd
Description: Ubuntu 13.10
Release: 13.10

dang@ICHTHYS:~$ apt-cache policy ubuntu-release-upgrader-core
ubuntu-release-upgrader-core:
  Installed: 1:0.205.6
  Candidate: 1:0.220.2
  Version table:
     1:0.220.2 0
        500 http://us.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
 *** 1:0.205.6 0
        100 /var/lib/dpkg/status
dang@ICHTHYS:~$

ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: ubuntu-release-upgrader-core 1:0.205.6
ProcVersionSignature: Ubuntu 3.11.0-20.34-generic 3.11.10.6
Uname: Linux 3.11.0-20-generic x86_64
ApportVersion: 2.12.5-0ubuntu2.2
Architecture: amd64
CrashDB: ubuntu
Date: Sun Apr 27 14:59:28 2014
InstallationDate: Installed on 2014-02-06 (79 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_US
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to saucy on 2014-04-27 (0 days ago)
VarLogDistupgradeTermlog:

[spammesilly (spammesilly)]

This bug can be closed/squashed (?). Issue was a package with a specific package - libcogl

Found error by looking in /var/log/dist-upgrade/apt.log

Performed sudo apt-get remove libcogl. I think was installed as part of cinnamon desktop.

Re-ran update-manager successfully