package kexec-tools 1:2.0.2-3ubuntu4 failed to install/upgrade: subprocess installed post-installation script was killed by signal (Killed)

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root 11775 11541 0 14:35 pts/1 00:00:00 /usr/bin/dpkg --status-fd 103 --configure kexec-tools:i386
root 11776 11775 0 14:35 pts/1 00:00:00 /usr/bin/perl -w /usr/share/debconf/frontend /var/lib/dpkg/info/kexec-tools.postinst configure 1:2.0.2-3ubuntu4

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: kexec-tools 1:2.0.2-3ubuntu4
ProcVersionSignature: Ubuntu 3.2.0-24.38-generic-pae 3.2.16
Uname: Linux 3.2.0-24-generic-pae i686
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu7
AptOrdering:
 virtualbox-4.1: Install
 kexec-tools: Configure
 linux-crashdump: Configure
 virtualbox-4.1: Configure
Architecture: i386
Date: Sun May 6 23:01:13 2012
ErrorMessage: subprocess installed post-installation script was killed by signal (Killed)
SourcePackage: kexec-tools
Title: package kexec-tools 1:2.0.2-3ubuntu4 failed to install/upgrade: subprocess installed post-installation script was killed by signal (Killed)
UpgradeStatus: Upgraded to precise on 2012-05-06 (1 days ago)
mtime.conffile..etc.default.kexec: 2012-05-06T23:14:00