unity-2d-panel crashed with SIGSEGV in free()

[DaleEMoore]

Fresh install of Ubuntu 11.10 beta 1 and this is one of lots of different crashes that almost continuously occur.

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 i686
ApportVersion: 1.22.1-0ubuntu2
Architecture: i386
Date: Sun Sep 11 05:39:17 2011
ExecutablePath: /usr/bin/unity-2d-panel
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta i386 (20110901)
ProcCmdline: unity-2d-panel
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x50af1d: cmp 0xc(%eax),%esi
 PC (0x0050af1d) ok
 source "0xc(%eax)" (0x0000000c) not located in a known VMA region (needed readable region)!
 destination "%esi" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity-2d
StacktraceTop:
 ?? () from /lib/i386-linux-gnu/libc.so.6
 ?? () from /lib/i386-linux-gnu/libc.so.6
 free () from /lib/i386-linux-gnu/libc.so.6
 ?? () from /lib/i386-linux-gnu/libc.so.6
 iconv_close () from /lib/i386-linux-gnu/libc.so.6
Title: unity-2d-panel crashed with SIGSEGV in free()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

[Apport retracing service (apport)]

StacktraceTop:
 malloc_consolidate (av=0x615400) at malloc.c:5161
 malloc_consolidate (av=0x615400) at malloc.c:5089
 _int_free (av=0x615400, p=0x8ea07a8) at malloc.c:5034
 __GI___libc_free (mem=0x8ea8738) at malloc.c:3738
 __gconv_close (cd=0x8e53b08) at gconv_close.c:56