unity-2d-places crashed with SIGSEGV in QMetaObject::metacall()

Binary package hint: unity-2d

While ISO Testing Alpha1. Step to reproduce it:
- boot in live mode
- the PC has an nVidia card so it fallback to Unity2d
- When you get the desktop press the CoF for accessing to the Dash
- You get the crash

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: unity-2d-places 3.8.6-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.39-3.10-generic 2.6.39
Uname: Linux 2.6.39-3-generic i686
Architecture: i386
Date: Wed Jun 1 07:19:18 2011
ExecutablePath: /usr/bin/unity-2d-places
LiveMediaBuild: Ubuntu 11.10 "Oneiric Ocelot" - Alpha i386 (20110531.1)
ProcCmdline: /usr/bin/unity-2d-places
ProcEnviron:
 SHELL=/bin/bash
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
SegvAnalysis:
 Segfault happened at: 0x5d9191: mov %eax,(%ecx)
 PC (0x005d9191) ok
 source "%eax" ok
 destination "(%ecx)" (0x00000006) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: unity-2d
StacktraceTop:
 ?? () from /usr/lib/libQtDeclarative.so.4
 ?? () from /usr/lib/libQtDeclarative.so.4
 ?? () from /usr/lib/libQtDeclarative.so.4
 QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4
 QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
Title: unity-2d-places crashed with SIGSEGV in QMetaObject::metacall()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare