Ubuquity freezes when replacing Xubuntu 11.10 with Ubuntu 11.10

[Norman Roscher]

I was trying to replace my broken Xubuntu 11.10 installation by a regular Ubuntu 11.10 by using the update option in the installer. I started it from the Ubuntu live image, being installed on a USB stick.
When I do so, ubiquity freezes at the point "Kollidierende Systemdateien werden entfernt" (Colliding system files are being deleted) and won't respond anymore. The system keeps running though, and I can use other application from the live image without any problems.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: ubiquity 2.8.7
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 1.23-0ubuntu3
Architecture: amd64
CasperVersion: 1.287
Date: Wed Oct 26 18:50:18 2011
LiveMediaBuild: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
ProcEnviron:
 PATH=(custom, no user)
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

[dino99 (9d9)]

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