unity-2d-launcher crashed with SIGSEGV

[infosolano]

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ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: unity-2d-launcher 3.8.10-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-6.7-generic-pae 3.0.0-rc7
Uname: Linux 3.0.0-6-generic-pae i686
Architecture: i386
Date: Fri Jul 22 14:38:52 2011
Disassembly: => 0xffff00: Não é possível acessar a memória no endereço 0xffff00
ExecutablePath: /usr/bin/unity-2d-launcher
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha i386 (20110705.1)
ProcCmdline: unity-2d-launcher
ProcEnviron:
 LANGUAGE=pt_BR:pt:en
 LANG=pt_BR.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0xffff00: Não é possível acessar a memória no endereço 0xffff00
 PC (0x00ffff00) not located in a known VMA region (needed executable region)!
 source "0xffff00" (0x00ffff00) not located in a known VMA region (needed readable region)!
SegvReason:
 executing unknown VMA
 reading unknown 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
 ?? () from /usr/lib/libQtScript.so.4
Title: unity-2d-launcher crashed with SIGSEGV
UpgradeStatus: Upgraded to oneiric on 2011-07-21 (0 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 ?? ()
 cache (engine=0xa14a9e0, obj=0xa14a9e0, name=@0xbfcb9a78, local=...) at ../../include/QtDeclarative/private/../../../src/declarative/qml/qdeclarativeengine_p.h:340
 QDeclarativePropertyCache::property (engine=0xa14a9e0, obj=0xa14a9e0, name=@0xbfcb9a78, local=...) at qml/qdeclarativepropertycache.cpp:401
 QDeclarativeObjectScriptClass::queryProperty (this=0x9cca7e8, obj=0xa14a9e0, name=@0xbfcb9a78, flags=..., evalContext=0x0, hints=...) at qml/qdeclarativeobjectscriptclass.cpp:167
 QDeclarativeObjectScriptClass::queryProperty (this=0x9cca7e8, object=0xa2f0d00, name=@0xbfcb9a78, flags=...) at qml/qdeclarativeobjectscriptclass.cpp:147