unity-2d-shell crashed with SIGSEGV in _IO_helper_jumps()

[Alberto Mardegan]

My system is screwed up, so there's a high probability that this crash does not really depend on the Unity2d shell.
However, who knows. :-)

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: unity-2d-shell 5.7.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-20.32-generic 3.2.12
Uname: Linux 3.2.0-20-generic x86_64
ApportVersion: 1.94.1-0ubuntu2
Architecture: amd64
CrashCounter: 1
Date: Thu Mar 22 17:32:58 2012
ExecutablePath: /usr/bin/unity-2d-shell
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
ProcCmdline: unity-2d-shell
ProcEnviron:
 LANGUAGE=it:en_GB:en
 PATH=(custom, user)
 LANG=it_IT.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7ff65c1bac18 <main_arena+1272>: rex int $0x60
 PC (0x7ff65c1bac18) in non-executable VMA region: 0x7ff65c1ba000-0x7ff65c1bc000 rw-p /lib/x86_64-linux-gnu/libc-2.15.so
 source "$0x60" ok
SegvReason: executing writable VMA /lib/x86_64-linux-gnu/libc-2.15.so
Signal: 11
SourcePackage: unity-2d
StacktraceTop:
 main_arena () from /lib/x86_64-linux-gnu/libc.so.6
 QDeclarativePropertyCache::property (engine=<optimized out>, obj=0x370ed00, name=@0x7fffe6ec94d8: 0x7ff64bd42780, local=...) at qml/qdeclarativepropertycache.cpp:430
 QDeclarativeObjectScriptClass::queryProperty (this=0x1b8c6a0, obj=0x370ed00, name=@0x7fffe6ec94d8: 0x7ff64bd42780, flags=..., evalContext=0x0, hints=...) at qml/qdeclarativeobjectscriptclass.cpp:175
 QDeclarativeObjectScriptClass::queryProperty (this=0x1b8c6a0, object=<optimized out>, name=@0x7fffe6ec94d8: 0x7ff64bd42780, flags=...) at qml/qdeclarativeobjectscriptclass.cpp:155
 QScript::DeclarativeObjectDelegate::getOwnPropertySlot (this=0x363f2a0, object=0x7ff5ff284840, exec=0x7ff64b8b11b8, propertyName=..., slot=...) at bridge/qscriptdeclarativeobject.cpp:74
Title: unity-2d-shell crashed with SIGSEGV in main_arena()
UpgradeStatus: Upgraded to precise on 2011-08-19 (216 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 _IO_helper_jumps () from /tmp/tmpCBAV8v/lib/x86_64-linux-gnu/libc.so.6
 QDeclarativePropertyCache::property (engine=<optimized out>, obj=0x370ed00, name=@0x7fffe6ec94d8, local=...) at qml/qdeclarativepropertycache.cpp:430
 QDeclarativeObjectScriptClass::queryProperty (this=0x1b8c6a0, obj=0x370ed00, name=@0x7fffe6ec94d8, flags=<optimized out>, evalContext=0x0, hints=...) at qml/qdeclarativeobjectscriptclass.cpp:175
 QDeclarativeObjectScriptClass::queryProperty (this=0x1b8c6a0, object=<optimized out>, name=@0x7fffe6ec94d8, flags=<optimized out>) at qml/qdeclarativeobjectscriptclass.cpp:155
 QScript::DeclarativeObjectDelegate::getOwnPropertySlot (this=0x363f2a0, object=0x7ff5ff284840, exec=0x7ff64b8b11b8, propertyName=<optimized out>, slot=...) at bridge/qscriptdeclarativeobject.cpp:74