compiz crashed with SIGSEGV in nux::Area::SetVisible()

[Ed Phillips]

Tried to launch the application icon. Compiz crashed as a result

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: libnux-0.9-0 0.9.30-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-5.32-generic 2.6.38-rc6
Uname: Linux 2.6.38-5-generic i686
Architecture: i386
Date: Sat Mar 5 01:43:36 2011
ExecutablePath: /usr/bin/compiz
LiveMediaBuild: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110302)
ProcCmdline: compiz
ProcEnviron:
 LANGUAGE=en_US:en
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x52970ba <_ZN3nux4Area10SetVisibleEb+26>: cmp %dl,0x84(%eax)
 PC (0x052970ba) ok
 source "%dl" ok
 destination "0x84(%eax)" (0x00000084) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: nux
StacktraceTop:
 nux::Area::SetVisible(bool) () from /usr/lib/libnux-0.9.so.0
 PlacesGroup::Refresh() () from /usr/lib/compiz/libunityshell.so
 PlacesGroup::OnIdleRelayout(PlacesGroup*) () from /usr/lib/compiz/libunityshell.so
 ?? () from /lib/libglib-2.0.so.0
 g_main_context_dispatch () from /lib/libglib-2.0.so.0
Title: compiz crashed with SIGSEGV in nux::Area::SetVisible()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors:
 (nautilus:4443): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed
 (nm-applet:4451): Gtk-CRITICAL **: IA__gtk_widget_is_toplevel: assertion `GTK_IS_WIDGET (widget)' failed
 (nm-applet:4451): Gtk-CRITICAL **: IA__gtk_widget_is_toplevel: assertion `GTK_IS_WIDGET (widget)' failed

[Apport retracing service (apport)]

StacktraceTop:
 nux::Area::SetVisible (this=0x0, visible=true) at ./Area.cpp:541
 erase (this=0xb272ea78, __first=..., __last=...) at /usr/include/c++/4.5/bits/stl_tree.h:1400
 std::_Rb_tree<void const*, std::pair<void const* const, PlacesGroupController*>, std::_Select1st<std::pair<void const* const, PlacesGroupController*> >, std::less<void const*>, std::allocator<std::pair<void const* const, PlacesGroupController*> > >::erase (this=0xb272ea78, __first=..., __last=...) at /usr/include/c++/4.5/bits/stl_tree.h:1485
 std::_Rb_tree<void const*, std::pair<void const* const, PlacesGroupController*>, std::_Select1st<std::pair<void const* const, PlacesGroupController*> >, std::less<void const*>, std::allocator<std::pair<void const* const, PlacesGroupController*> > >::_M_insert_ (this=0x4eb3ff4, __x=0x1159, __p=0xd97ff4, __v=...) at /usr/include/c++/4.5/bits/stl_tree.h:897
 g_idle_dispatch (source=0xb2729b30, callback=0x115cc30 <std::_Rb_tree<void const*, std::pair<void const* const, PlacesGroupController*>, std::_Select1st<std::pair<void const* const, PlacesGroupController*> >, std::less<void const*>, std::allocator<std::pair<void const* const, PlacesGroupController*> > >::_M_insert_(std::_Rb_tree<void const*, std::pair<void const* const, PlacesGroupController*>, std::_Select1st<std::pair<void const* const, PlacesGroupController*> >, std::less<void const*>, std::allocator<std::pair<void const* const, PlacesGroupController*> > >::_Const_Base_ptr, std::_Rb_tree<void const*, std::pair<void const* const, PlacesGroupController*>, std::_Select1st<std::pair<void const* const, PlacesGroupController*> >, std::less<void const*>, std::allocator<std::pair<void const* const, PlacesGroupController*> > >::_Const_Base_ptr, std::pair<void const* const, PlacesGroupController*> const&)+128>, user_data=0xb272ea78) at /build/buildd/glib2.0-2.28.1/./glib/gmain.c:4537