compiz crashed when i removed program icon from launch bar

[AJ Dobroskay]

ubuntu 11.04
0.9.38-0ubuntu1 (nux-tools)
thought it would remove the icon fron the launch bar but instead froze took a couple of seconds then got rid of it and gave me a bug message

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: libnux-0.9-0 0.9.38-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-7.39-generic 2.6.38
Uname: Linux 2.6.38-7-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Tue Apr 5 00:54:37 2011
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=en_CA:en
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f20c14030f3 <g_atomic_int_get+3>: mov (%rdi),%eax
 PC (0x7f20c14030f3) ok
 source "(%rdi)" (0x00000020) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: nux
StacktraceTop:
 g_atomic_int_get () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_bit_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_variant_ref_sink () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_variant_new_strv () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_settings_set_strv () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
Title: compiz crashed with SIGSEGV in g_atomic_int_get()
UpgradeStatus: Upgraded to natty on 2011-04-04 (0 days ago)
UserGroups: adm admin audio avahi avahi-autoipd backup bin cdrom couchdb crontab daemon dialout dip disk fax floppy fuse games gdm gnats haldaemon irc kmem libuuid list lp lpadmin mail man mediatomb messagebus mlocate netdev news nopasswdlogin operator plugdev proxy pulse pulse-access root rtkit sambashare saned sasl shadow src ssh ssl-cert staff sudo sys syslog tape tty users utempter utmp uucp video voice www-data

[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 #748841, 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.