.
Thread 1 (process 1695):
#0  0x00007f094dc9c651 in g_object_ref () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#1  0x00007f094d5ab222 in g_datalist_clear () from /lib/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f094dc9c52f in g_object_unref () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#3  0x000000000046e84c in extension_action_callback_data_free (data=0x1f837c0)
    at fm-directory-view.c:4566
No locals.
#4  0x00007f094dc9a0eb in g_closure_unref () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#5  0x00007f094dcaeb25 in g_signal_handlers_destroy ()
   from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#6  0x00007f094dc9c35d in ?? () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#7  0x00007f094dc9c4b1 in g_object_unref () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#8  0x00007f094ef73c4d in free_node (node=<value optimized out>)
    at /build/buildd/gtk+2.0-2.18.2/gtk/gtkuimanager.c:1093
	info = (Node *) 0x1e16500
#9  0x00007f094ef74327 in update_node (self=0x1a99b70, node=0x1a7d000, 
    in_popup=1, popup_accels=0)
    at /build/buildd/gtk+2.0-2.18.2/gtk/gtkuimanager.c:2759
	child = (GNode *) 0x0
	action = <value optimized out>
	action_name = (const gchar *) 0x1e29aa0 "Unstretch"
	__PRETTY_FUNCTION__ = "update_node"
#10 0x00007f094ef742b5 in update_node (self=0x1a99b70, node=0x1e26930, 
    in_popup=1, popup_accels=0)
    at /build/buildd/gtk+2.0-2.18.2/gtk/gtkuimanager.c:2737
	child = (GNode *) 0x1e9f870
	action = <value optimized out>
	action_name = (const gchar *) 0x0
	__PRETTY_FUNCTION__ = "update_node"
#11 0x00007f094ef742b5 in update_node (self=0x1a99b70, node=0x1e25150, 
    in_popup=1, popup_accels=0)
    at /build/buildd/gtk+2.0-2.18.2/gtk/gtkuimanager.c:2737
	child = (GNode *) 0x1e26960
	action = <value optimized out>
	action_name = (const gchar *) 0x0
	__PRETTY_FUNCTION__ = "update_node"
#12 0x00007f094ef742b5 in update_node (self=0x1a99b70, node=0x1a77b00, 
    in_popup=0, popup_accels=0)
    at /build/buildd/gtk+2.0-2.18.2/gtk/gtkuimanager.c:2737
	child = (GNode *) 0x1e26c40
	action = <value optimized out>
	action_name = (const gchar *) 0x0
	__PRETTY_FUNCTION__ = "update_node"
#13 0x00007f094ef751d5 in do_updates_idle (self=0x20218a0)
    at /build/buildd/gtk+2.0-2.18.2/gtk/gtkuimanager.c:2779
No locals.
#14 0x00007f094eaa48c6 in gdk_threads_dispatch (data=0x1a7c980)
    at /build/buildd/gtk+2.0-2.18.2/gdk/gdk.c:506
	ret = 0
#15 0x00007f094d5c0bbe in g_main_context_dispatch ()
   from /lib/libglib-2.0.so.0
No symbol table info available.
#16 0x00007f094d5c4588 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#17 0x00007f094d5c49e5 in g_main_loop_run () from /lib/libglib-2.0.so.0
No symbol table info available.
#18 0x00007f094ee6d0e7 in IA__gtk_main ()
    at /build/buildd/gtk+2.0-2.18.2/gtk/gtkmain.c:1216
	tmp_list = (GList *) 0x1a48f70
	functions = (GList *) 0x0
	init = (GtkInitFunction *) 0x0
	loop = <value optimized out>
#19 0x00000000004438c7 in main (argc=1, argv=0x7fffa3c179c8)
    at nautilus-main.c:588
	kill_shell = 0
	no_default_window = 1
	browser_window = 0
	no_desktop = 0
	version = 0
	autostart_mode = <value optimized out>
	autostart_id = <value optimized out>
	geometry = (gchar *) 0x0
	remaining = (gchar **) 0x0
	perform_self_check = 0
	application = <value optimized out>
	context = <value optimized out>
	file = (GFile *) 0x7fffa3c17650
	uri = <value optimized out>
	uris = (char **) 0x0
	uris_array = <value optimized out>
	error = (GError *) 0x0
	options = {{long_name = 0x54b516 "check", short_name = 99 'c', 
    flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x7fffa3c178b8, 
    description = 0x54b560 "Perform a quick set of self-check tests.", 
    arg_description = 0x0}, {long_name = 0x54b40f "version", 
    short_name = 0 '\0', flags = 0, arg = G_OPTION_ARG_NONE, 
    arg_data = 0x7fffa3c178bc, 
    description = 0x54b590 "Show the version of the program.", 
    arg_description = 0x0}, {long_name = 0x54f59c "geometry", 
    short_name = 103 'g', flags = 0, arg = G_OPTION_ARG_STRING, 
    arg_data = 0x7fffa3c178b0, 
    description = 0x54b5b8 "Create the initial window with the given geometry.", arg_description = 0x54b417 "GEOMETRY"}, {
    long_name = 0x54b420 "no-default-window", short_name = 110 'n', 
    flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x7fffa3c178c8, 
    description = 0x54b5f0 "Only create windows for explicitly specified URIs.", arg_description = 0x0}, {long_name = 0x54b432 "no-desktop", 
    short_name = 0 '\0', flags = 0, arg = G_OPTION_ARG_NONE, 
    arg_data = 0x7fffa3c178c0, 
    description = 0x54b628 "Do not manage the desktop (ignore the preference set in the preferences dialog).", arg_description = 0x0}, {
    long_name = 0x547d60 "browser", short_name = 0 '\0', flags = 0, 
    arg = G_OPTION_ARG_NONE, arg_data = 0x7fffa3c178c4, 
    description = 0x54b43d "open a browser window.", arg_description = 0x0}, {
    long_name = 0x56cd11 "quit", short_name = 113 'q', flags = 0, 
    arg = G_OPTION_ARG_NONE, arg_data = 0x7fffa3c178cc, 
    description = 0x54b454 "Quit Nautilus.", arg_description = 0x0}, {
    long_name = 0x550b41 "", short_name = 0 '\0', flags = 0, 
    arg = G_OPTION_ARG_STRING_ARRAY, arg_data = 0x7fffa3c178a8, 
    description = 0x0, arg_description = 0x54b463 "[URI...]"}, {
    long_name = 0x0, short_name = 0 '\0', flags = 0, arg = G_OPTION_ARG_NONE, 
    arg_data = 0x0, description = 0x0, arg_description = 0x0}}