compiz crashed with SIGSEGV in SimpleLauncherIcon::OnIconThemeChanged()

[manzur]

Binary package hint: unity

it crashed my session and forced me go back to start session again

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: unity 3.6.8-0ubuntu3
ProcVersionSignature: Ubuntu 2.6.38-7.38-generic 2.6.38
Uname: Linux 2.6.38-7-generic i686
NonfreeKernelModules: nvidia
Architecture: i386
CrashCounter: 1
Date: Thu Mar 24 20:12:09 2011
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
Signal: 11
SourcePackage: unity
StacktraceTop:
 SimpleLauncherIcon::OnIconThemeChanged(_GtkIconTheme*, void*) () from /usr/lib/compiz/libunityshell.so
 g_cclosure_marshal_VOID__VOID () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
 g_closure_invoke () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
 g_signal_emit_valist () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
Title: compiz crashed with SIGSEGV in SimpleLauncherIcon::OnIconThemeChanged()
UpgradeStatus: Upgraded to natty on 2011-03-23 (1 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 SimpleLauncherIcon::OnIconThemeChanged(_GtkIconTheme*, void*) () from /usr/lib/compiz/libunityshell.so
 g_cclosure_marshal_VOID__VOID (closure=0xa80d960, return_value=0x0, n_param_values=1, param_values=0xa26ef50, invocation_hint=0xbf941620, marshal_data=0x0) at /build/buildd/glib2.0-2.28.4/./gobject/gmarshal.c:79
 g_closure_invoke (closure=0xa80d960, return_value=0x0, n_param_values=1, param_values=0xa26ef50, invocation_hint=0xbf941620) at /build/buildd/glib2.0-2.28.4/./gobject/gclosure.c:767
 signal_emit_unlocked_R (node=0x9c8fd68, detail=0, instance=0x98c4488, emission_return=0x0, instance_and_params=0xa26ef50) at /build/buildd/glib2.0-2.28.4/./gobject/gsignal.c:3252
 g_signal_emit_valist (instance=0x98c4488, signal_id=182, detail=0, var_args=0xbf9417dc "0\001n\006") at /build/buildd/glib2.0-2.28.4/./gobject/gsignal.c:2983