Cant upgrade from precise to trusty LTS enablement stack

[John Stowers]

$ sudo apt-get install --install-recommends linux-generic-lts-trusty xserver-xorg-lts-trusty libgl1-mesa-glx-lts-trusty
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 libgl1-mesa-glx-lts-trusty : Depends: libglapi-mesa-lts-trusty (= 10.1.3-0ubuntu0.1~precise1) but it is not going to be installed
                              Recommends: libgl1-mesa-dri-lts-trusty (>= 7.2) but it is not going to be installed
 libglu1-mesa-dev : Depends: libgl1-mesa-dev or
                             libgl1-mesa-dev-lts-quantal but it is not going to be installed or
                             libgl1-mesa-dev-lts-raring but it is not going to be installed or
                             libgl1-mesa-dev-lts-saucy but it is not going to be installed or
                             libgl1-mesa-dev-lts-trusty but it is not going to be installed or
                             libgl-dev
 xserver-xorg-lts-trusty : Depends: xserver-xorg-core-lts-trusty (>= 2:1.11) but it is not going to be installed
                           Depends: xserver-xorg-video-all-lts-trusty but it is not going to be installed or
                                    xorg-driver-video
                           Depends: xserver-xorg-input-all-lts-trusty but it is not going to be installed or
                                    xorg-driver-input
                           Depends: xserver-xorg-input-evdev-lts-trusty but it is not going to be installed
                           Recommends: libgl1-mesa-dri-lts-trusty but it is not going to be installed
                           Recommends: xserver-xorg-input-all-lts-trusty but it is not going to be installed
                           Recommends: xserver-xorg-video-all-lts-trusty but it is not going to be installed
                           Recommends: x11-xserver-utils-lts-trusty but it is not going to be installed
E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: update-manager 1:0.156.14.17
ProcVersionSignature: Ubuntu 3.5.0-54.81~precise1-generic 3.5.7.33
Uname: Linux 3.5.0-54-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.0.1-0ubuntu17.7
Architecture: amd64
Date: Tue Oct 21 21:21:19 2014
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64+mac (20120823.1)
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: update-manager
Symptom: ubuntu-release-upgrader-core
UpgradeStatus: No upgrade log present (probably fresh install)

[John Stowers (nzjrs)]

/var/log/apt/term.log