'user-setup-udeb' failed with error code 1 on alternate when 'Encrypt your home directory' is selected

[Jean-Baptiste Lallement]

Precise Alternate 20111121

TEST CASE:
1. Boot from a precise alternate image
2. Proceed with the installation until user setup setp
3. Enter account information when asked
4. At the prompt 'Encrypt your home directory' select 'Yes'

RESULT:
The installation step 'Set up users and passwords' fails (log attached)
The following message is displayed in syslog
Nov 21 09:27:17 apt-install: Queueing package ecryptfs-utils for later installation
Nov 21 09:27:17 main-menu[288]: WARNING **: Configuring 'user-setup-udeb' failed with error code 1
Nov 21 09:27:17 debconf: --> GET debconf/priority
Nov 21 09:27:17 debconf: <-- 0 high
Nov 21 09:27:17 main-menu[288]: WARNING **: Menu item 'user-setup-udeb' failed.
Nov 21 09:27:17 debconf: --> SETTITLE debian-installer/user-setup-udeb/title
Nov 21 09:27:17 debconf: <-- 0 OK
Nov 21 09:27:17 debconf: --> CAPB
Nov 21 09:27:17 debconf: <-- 0 multiselect backup progresscancel align plugin-terminal plugin-detect-keyboard
Nov 21 09:27:17 debconf: --> METAGET debian-installer/user-setup-udeb/title Description
Nov 21 09:27:17 debconf: <-- 0 Set up users and passwords
Nov 21 09:27:17 debconf: --> SUBST debian-installer/main-menu/item-failure ITEM Set up users and passwords
Nov 21 09:27:17 debconf: Adding [ITEM] -> [Set up users and passwords]
Nov 21 09:27:17 debconf: <-- 0
Nov 21 09:27:17 debconf: --> INPUT critical debian-installer/main-menu/item-failure
Nov 21 09:27:17 debconf: <-- 0 question will be asked
Nov 21 09:27:17 debconf: --> GO

EXPECTED RESULT:
The installation continues and the home directory is encrypted after installation

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: user-setup (not installed)
ProcVersionSignature: Ubuntu 3.1.0-2.3-generic 3.1.0
Uname: Linux 3.1.0-2-generic x86_64
ApportVersion: 1.26-0ubuntu1
Architecture: amd64
Date: Mon Nov 21 10:41:29 2011
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
ProcEnviron:
 PATH=(custom, user)
 LANG=en_US.utf8
 SHELL=/bin/bash
SourcePackage: user-setup
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

This bug was fixed in the package user-setup - 1.39ubuntu2

---------------
user-setup (1.39ubuntu2) precise; urgency=low

  * apt-install ecryptfs-utils and cryptsetup in user-setup-apply, not
    user-setup-ask (LP: #893014).
 -- Colin Watson <email address hidden> Mon, 21 Nov 2011 15:54:19 +0000