Ubuntu 12.04 Beta 2 Installer Crashes

[mjhorsnell]

The Beta 2 Installer fails mid-way through the install, from a USB stick created with the Beta 2 12.04 image.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: ubiquity 2.10.4
ProcVersionSignature: Ubuntu 3.2.0-20.33-generic-pae 3.2.12
Uname: Linux 3.2.0-20-generic-pae i686
ApportVersion: 1.95-0ubuntu1
Architecture: i386
CasperVersion: 1.312
Date: Fri Apr 6 21:35:20 2012
InstallCmdLine: noprompt cdrom-detect/try-usb=true file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
LiveMediaBuild: Ubuntu 12.04 LTS "Precise Pangolin" - Beta i386 (20120328)
ProcEnviron:
 LANGUAGE=en_GB.UTF-8
 TERM=linux
 PATH=(custom, no user)
 LANG=en_GB.UTF-8
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)