#0  0x00002ad675c54bd9 in rb_player_playing (player=0x0) at rb-player.c:326
  321:  *  or being faded out).
  322:  */
  323: gboolean
  324: rb_player_playing (RBPlayer *player)
  325: {
  326: 	RBPlayerIface *iface = RB_PLAYER_GET_IFACE (player);
  327: 
  328: 	return iface->playing (player);
  329: }
  330: 
  331: /**
#1  0x000000000042c615 in notify_playing_idle (player=0x8f0000) at rb-shell-player.c:579
  574: 
  575: static gboolean
  576: notify_playing_idle (RBShellPlayer *player)
  577: {
  578: 	GDK_THREADS_ENTER ();
  579: 	rb_debug ("emitting playing notification: %d", rb_player_playing (player->priv->mmplayer));
  580: 	g_object_notify (G_OBJECT (player), "playing");
  581: 	rb_shell_player_sync_buttons (player);
  582: 
  583: 	GDK_THREADS_LEAVE ();
  584: 	return FALSE;
#2  0x00002ad67e55dfc3 in IA__g_main_context_dispatch (context=0x81bca0) at /build/buildd/glib2.0-2.13.6/glib/gmain.c:2061
  [Error: /build/buildd/glib2.0-2.13.6/glib/gmain.c was not found in source tree]
#3  0x00002ad67e5612cd in g_main_context_iterate (context=0x81bca0, block=1, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.13.6/glib/gmain.c:2694
  [Error: /build/buildd/glib2.0-2.13.6/glib/gmain.c was not found in source tree]
#4  0x00002ad67e5615da in IA__g_main_loop_run (loop=0x1077a50) at /build/buildd/glib2.0-2.13.6/glib/gmain.c:2898
  [Error: /build/buildd/glib2.0-2.13.6/glib/gmain.c was not found in source tree]
#5  0x00002ad67a02e8e3 in IA__gtk_main () at /build/buildd/gtk+2.0-2.11.5/gtk/gtkmain.c:1144
  [Error: /build/buildd/gtk+2.0-2.11.5/gtk/gtkmain.c was not found in source tree]
#6  0x000000000042350b in main (argc=1, argv=0x7fff350a9b68) at main.c:306
  301: 	if (activated) {
  302: 		gdk_notify_startup_complete ();
  303: 	} else {
  304: 
  305: 		rb_profile_start ("mainloop");
  306: 		gtk_main ();
  307: 		rb_profile_end ("mainloop");
  308: 
  309: 		rb_debug ("out of toplevel loop");
  310: 
  311: 		rb_file_helpers_shutdown ();