#0  0xb6f12cab in IA__g_logv (log_domain=<value optimized out>, log_level=G_LOG_LEVEL_ERROR, format=0xb6f5b610 "file %s: line %d (%s): assertion failed: (%s)", 
#1  0xb6f12f29 in IA__g_log (log_domain=0xb3875c7f "Rhythmbox", log_level=G_LOG_LEVEL_ERROR, format=0xb6f5b610 "file %s: line %d (%s): assertion failed: (%s)")
#2  0xb6f12fa6 in IA__g_assert_warning (log_domain=0xb3875c7f "Rhythmbox", file=0xb3875f5b "rb-mtp-source.c", line=324, pretty_function=0xb387619d "load_mtp_db_idle_cb", 
#3  0xb38692f5 in load_mtp_db_idle_cb (source=0x82c40e0) at rb-mtp-source.c:324
  319: 	RBMtpSourcePrivate *priv = MTP_SOURCE_GET_PRIVATE (source);
  320: 	LIBMTP_track_t *tracks = NULL;
  321: 
  322: 	db = get_db_for_source (source);
  323: 
  324: 	g_assert (db != NULL);
  325: 
  326: 	tracks = LIBMTP_Get_Tracklisting (priv->device);
  327: 	if (tracks != NULL) {
  328: 		LIBMTP_track_t *track, *tmp = NULL;
  329: 		for (track = tracks; track != NULL; track = track->next) {
#4  0xb6f08541 in g_idle_dispatch (source=0x8e2f7c8, callback=0x68, user_data=0x82c40e0) at /build/buildd/glib2.0-2.13.6/glib/gmain.c:4131
  [Error: /build/buildd/glib2.0-2.13.6/glib/gmain.c was not found in source tree]
#5  0xb6f0a10c in IA__g_main_context_dispatch (context=0x817d690) 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]
#6  0xb6f0d54f in g_main_context_iterate (context=0x817d690, block=1, dispatch=1, self=0x80fa408) 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]
#7  0xb6f0d8f9 in IA__g_main_loop_run (loop=0x854ae40) 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]
#8  0xb770aea4 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]
#9  0x080638e4 in main (argc=1, argv=0xbf8f5c64) 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 ();