unity-2d-panel crashed with SIGSEGV in QList<IndicatorEntryWidget*>::detach_helper()

[Foxtekka]

Version: 11.10
Just Logged into System, crash immediately happened

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: unity-2d-panel 4.6.1-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-10.16-generic 3.0.4
Uname: Linux 3.0.0-10-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 1.22.1-0ubuntu2
Architecture: amd64
Date: Fri Sep 9 16:13:09 2011
ExecutablePath: /usr/bin/unity-2d-panel
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110901)
ProcCmdline: unity-2d-panel
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f7fdae0e982: movntdq %xmm3,-0x30(%rdi)
 PC (0x7f7fdae0e982) ok
 source "%xmm3" ok
 destination "-0x30(%rdi)" (0x011f2ff0) not located in a known VMA region (needed writable region)!
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: unity-2d
StacktraceTop:
 ?? () from /lib/x86_64-linux-gnu/libc.so.6
 QList<IndicatorEntryWidget*>::detach_helper() () from /usr/lib/libunity-2d-private.so.0
 QList<IndicatorEntryWidget*>::removeOne(IndicatorEntryWidget* const&) () from /usr/lib/libunity-2d-private.so.0
 IndicatorsManager::removeIndicatorEntryWidget(IndicatorEntryWidget*) () from /usr/lib/libunity-2d-private.so.0
 ?? ()
Title: unity-2d-panel crashed with SIGSEGV in QList<IndicatorEntryWidget*>::detach_helper()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 __memcpy_ssse3_back () at ../sysdeps/x86_64/multiarch/memcpy-ssse3-back.S:1633
 node_copy (src=0x7f7de407bab8, to=<optimized out>, from=<optimized out>, this=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/string3.h:52
 detach_helper (alloc=<optimized out>, this=0x13ac578) at /usr/include/qt4/QtCore/qlist.h:696
 QList<IndicatorEntryWidget*>::detach_helper (this=0x13ac578) at /usr/include/qt4/QtCore/qlist.h:710
 detachShared (this=0x13ac578) at /usr/include/qt4/QtCore/qlist.h:132