package initramfs-tools 0.103ubuntu1.1 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 1

[H I Murphy]

I was in the process of upgrading from LTS 12.04 to 13.10 when the message appeared.

ProblemType: Package
DistroRelease: Ubuntu 13.10
Package: initramfs-tools 0.103ubuntu1.1
ProcVersionSignature: Ubuntu 3.5.0-46.70-generic 3.5.7.27
Uname: Linux 3.5.0-46-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.12.5-0ubuntu2.2
Architecture: amd64
Date: Thu Feb 27 21:14:11 2014
DuplicateSignature: package:initramfs-tools:0.103ubuntu1.1:ErrorMessage: subprocess installed post-installation script returned error exit status 1
ErrorMessage: ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2012-03-03 (726 days ago)
InstallationMedia: Ubuntu 10.04.3 LTS "Lucid Lynx" - Release amd64 (20110720.1)
MarkForUpload: True
PackageArchitecture: all
SourcePackage: initramfs-tools
Title: package initramfs-tools 0.103ubuntu1.1 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to saucy on 2014-02-28 (0 days ago)

[H I Murphy (him610)]

I failed to add, the upgrade was only partially successful. The dropdown list for Applications shows only Accessories > Files. The dropdown list for Places appears to be complete. The ikon links to applications, previously placed on the top bar are all present. The Unity interface did not install.
~$ uname -a
Linux hugh-desktop 3.5.0-46-generic #70-Ubuntu SMP Wed Jan 8 18:40:46 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Andy Whitcroft (apw)]

update-initramfs: Generating /boot/initrd.img-3.5.0-46-generic
cryptsetup: WARNING: failed to detect canonical device of /dev/sda2
cryptsetup: WARNING: could not determine root device from /etc/fstab
cp: cannot stat `/usr/lib/x86_64-linux-gnu/pango/1.6.0/module-files.d/libpango1.0-0.modules': No such file or directory
cp: cannot stat `/usr/lib/x86_64-linux-gnu/pango/1.6.0/modules/pango-basic-fc.so': No such file or directory
E: /usr/share/initramfs-tools/hooks/plymouth failed with return 1.
update-initramfs: failed for /boot/initrd.img-3.5.0-46-generic with 1.