ubiquity crashes after setting user account

[Angelo]

right after confirming user account creation, ubiquity installer crashes. I could only read "permission denied"

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: ubiquity 2.10.16
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic-pae 3.2.14
Uname: Linux 3.2.0-23-generic-pae i686
ApportVersion: 2.0.1-0ubuntu5
Architecture: i386
CasperVersion: 1.315
Date: Sun May 6 17:01:58 2012
InstallCmdLine: file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash -- debian-installer/language=it keyboard-configuration/layoutcode?=it
LiveMediaBuild: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=it_IT.UTF-8
 SHELL=/bin/bash
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

[Angelo (ange448)]

this could be useful as well

[Aditya V (kroq-gar78)]

possible duplicate of bug 995496 (only after looking at the titles)

[Vincent Gerris (vgerris)]

seems like the same issue.
Perhaps you can comment on the other bug Angelo, if it is the same issue.
I have the same problem, also when letting the file copy finish first

[Vincent Gerris (vgerris)]

seems to be marked as a duplicate of 958543.

[Vincent Gerris (vgerris)]

https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/958543