compiz crashed with SIGSEGV in g_object_unref()

[asmodey]

oneiric x64 beta
fgrlx drivers

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: libnux-1.0-0 1.10.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
Uname: Linux 3.0.0-11-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 1.23-0ubuntu1
Architecture: amd64
Date: Thu Sep 22 18:46:38 2011
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64+mac (20110901)
ProcCmdline: compiz
SegvAnalysis:
 Segfault happened at: 0x7f08aaf20ca2 <g_object_unref+18>: mov (%rdi),%rax
 PC (0x7f08aaf20ca2) ok
 source "(%rdi)" (0x1000000000000) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: nux
StacktraceTop:
 g_object_unref () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 BamfLauncherIcon::~BamfLauncherIcon() () from /usr/lib/compiz/libunityshell.so
 BamfLauncherIcon::~BamfLauncherIcon() () from /usr/lib/compiz/libunityshell.so
 nux::Object::Destroy() () from /usr/lib/libnux-core-1.0.so.0
 nux::Object::UnReference() () from /usr/lib/libnux-core-1.0.so.0
Title: compiz crashed with SIGSEGV in g_object_unref()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #855590, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.