unity-2d-launcher crashed with SIGSEGV

[Daniel Winzen]

unity-2d-launcher crashed with SIGSEGV
It crashed, while gedit loaded a very big file, after a few minutes gedit crashed, too.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: unity-2d-launcher 4.12.0-0ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-6.12-generic-pae 3.2.0-rc6
Uname: Linux 3.2.0-6-generic-pae i686
ApportVersion: 1.90-0ubuntu1
Architecture: i386
Date: Sun Dec 25 22:51:05 2011
Disassembly: => 0x50: Cannot access memory at address 0x50
ExecutablePath: /usr/bin/unity-2d-launcher
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
ProcCmdline: unity-2d-launcher
ProcEnviron:
 PATH=(custom, no user)
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x50: Cannot access memory at address 0x50
 PC (0x00000050) not located in a known VMA region (needed executable region)!
SegvReason: executing NULL VMA
Signal: 11
SourcePackage: unity-2d
StacktraceTop:
 ?? ()
 ?? () from /usr/lib/i386-linux-gnu/libQtDeclarative.so.4
 ?? () from /usr/lib/i386-linux-gnu/libQtDeclarative.so.4
 ?? () from /usr/lib/i386-linux-gnu/libQtDeclarative.so.4
 ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
Title: unity-2d-launcher crashed with SIGSEGV
UpgradeStatus: Upgraded to precise on 2011-12-18 (7 days ago)
UserGroups: adm admin audio cdrom dialout dip fax floppy fuse lpadmin netdev plugdev sambashare tape video

[Apport retracing service (apport)]

StacktraceTop:
 ?? ()
 cache (obj=<optimized out>, this=<optimized out>) at ../../include/QtDeclarative/private/../../../src/declarative/qml/qdeclarativeengine_p.h:345
 QDeclarativePropertyCache::property (engine=0xb3959838, obj=0xa841fa98, name=@0xbfa1ad98, local=...) at qml/qdeclarativepropertycache.cpp:423
 QDeclarativeObjectScriptClass::queryProperty (this=0x81dce80, obj=0xa841fa98, name=@0xbfa1ad98, flags=..., evalContext=0x0, hints=...) at qml/qdeclarativeobjectscriptclass.cpp:167
 QDeclarativeObjectScriptClass::queryProperty (this=0x81dce80, object=0xa83dd758, name=@0xbfa1ad98, flags=...) at qml/qdeclarativeobjectscriptclass.cpp:147

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Nest (nestor15)]

Same error message for me on Precise 64bit; not doing anything specific; just browsing the web with Konqueror.