#0  0xb776f424 in __kernel_vsyscall ()
#1  0xb68161ef in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
  [Error: ../nptl/sysdeps/unix/sysv/linux/raise.c was not found in source tree]
#2  0xb6819835 in __GI_abort () at abort.c:91
  [Error: abort.c was not found in source tree]
#3  0xb6a5b018 in g_assertion_message (domain=domain@entry=0x0, file=file@entry=0x815bc10 "y\263\025\b\320\363\v\b\323\066\025\b\224\263\025\b\322\066\025\b\234\263\025\b\030\270\025\b`\363\v\b\247\263\025\b", line=line@entry=73, func=func@entry=0x815bd4a "e_num >= 0", message=0x963b6e8 "assertion failed: (NAUTILUS_IS_SEARCH_DIRECTORY (directory))") at /build/buildd/glib2.0-2.33.6/./glib/gtestutils.c:1861
  [Error: /build/buildd/glib2.0-2.33.6/./glib/gtestutils.c was not found in source tree]
#4  0xb6a5b61f in g_assertion_message_expr (domain=0x0, file=0x815bc10 "y\263\025\b\320\363\v\b\323\066\025\b\224\263\025\b\322\066\025\b\234\263\025\b\030\270\025\b`\363\v\b\247\263\025\b", line=73, func=0x815bd4a "e_num >= 0", expr=0x815bc8c "@\362\v\bw\264\025\b") at /build/buildd/glib2.0-2.33.6/./glib/gtestutils.c:1872
  [Error: /build/buildd/glib2.0-2.33.6/./glib/gtestutils.c was not found in source tree]
#5  0x080c0764 in sync_search_directory (slot=0x8f50158) at nautilus-window-slot.c:75
  70: 	g_assert (NAUTILUS_IS_FILE (slot->viewed_file));
  71: 
  72: 	directory = nautilus_directory_get_for_file (slot->viewed_file);
  73: 	g_assert (NAUTILUS_IS_SEARCH_DIRECTORY (directory));
  74: 
  75: 	query = nautilus_query_editor_get_query (slot->query_editor);
  76: 	text = nautilus_query_get_text (query);
  77: 
  78: 	if (!strlen (text)) {
  79: 		location = nautilus_query_editor_get_location (slot->query_editor);
  80: 		slot->load_with_search = TRUE;
#6  0x080bc05e in nautilus_view_factory_get_views_for_uri (uri=0x0, file_type=G_FILE_TYPE_SHORTCUT, mime_type=0x0) at nautilus-view-factory.c:110
  105: 	GList *l, *res;
  106: 	const NautilusViewInfo *view_info;
  107: 
  108: 	res = NULL;
  109: 	
  110: 	for (l = registered_views; l != NULL; l = l->next) {
  111: 		view_info = l->data;
  112: 
  113: 		if (view_info->supports_uri (uri, file_type, mime_type)) {
  114: 			res = g_list_prepend (res, g_strdup (view_info->id));
  115: 		}
#7  0x092f9d28 in ?? ()