g_variant_unref () from /lib/i386-linux-gnu/libglib-2.0.so.0
unity::launcher::SoftwareCenterLauncherIcon::OnPropertyChanged(_GVariant*) () from /usr/lib/compiz/libunityshell.so
sigc::internal::slot_call1<sigc::bound_mem_functor1<void, unity::launcher::SoftwareCenterLauncherIcon, _GVariant*>, void, _GVariant*>::call_it(sigc::internal::slot_rep*, _GVariant* const&) () from /usr/lib/compiz/libunityshell.so
unity::glib::DBusProxy::Impl::OnProxySignal(_GDBusProxy*, char*, char*, _GVariant*) () from /usr/lib/libunity-core-5.0.so.5
sigc::internal::slot_call4<sigc::bound_mem_functor4<void, unity::glib::DBusProxy::Impl, _GDBusProxy*, char*, char*, _GVariant*>, void, _GDBusProxy*, char*, char*, _GVariant*>::call_it(sigc::internal::slot_rep*, _GDBusProxy* const&, char* const&, char* const&, _GVariant* const&) () from /usr/lib/libunity-core-5.0.so.5