.
Thread 2 (process 28920):
#0  0x00baf422 in __kernel_vsyscall ()
#1  0x005703d2 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
#2  0x46fec15e in g_cond_timed_wait_posix_impl (cond=0xfffffdfc, 
    entered_mutex=0x15, abs_time=0x61f12c8)
    at /build/buildd/glib2.0-2.21.4/gthread/gthread-posix.c:242
	result = <value optimized out>
	end_time = {tv_sec = 1248945923, tv_nsec = 500468000}
	timed_out = <value optimized out>
	__PRETTY_FUNCTION__ = "g_cond_timed_wait_posix_impl"
#3  0x46d14b3c in g_async_queue_pop_intern_unlocked (queue=0x8a17bf8, 
    try=<value optimized out>, end_time=0x61f12c8)
    at /build/buildd/glib2.0-2.21.4/glib/gasyncqueue.c:365
	retval = <value optimized out>
	__PRETTY_FUNCTION__ = "g_async_queue_pop_intern_unlocked"
#4  0x46d14c41 in IA__g_async_queue_timed_pop (queue=0x8a17bf8, 
    end_time=0x61f12c8) at /build/buildd/glib2.0-2.21.4/glib/gasyncqueue.c:491
	retval = <value optimized out>
	__PRETTY_FUNCTION__ = "IA__g_async_queue_timed_pop"
#5  0x46d657be in g_thread_pool_thread_proxy (data=0x8a41008)
    at /build/buildd/glib2.0-2.21.4/glib/gthreadpool.c:121
	task = <value optimized out>
	pool = <value optimized out>
#6  0x46d6421f in g_thread_create_proxy (data=0x9127470)
    at /build/buildd/glib2.0-2.21.4/glib/gthread.c:635
	__PRETTY_FUNCTION__ = "g_thread_create_proxy"
#7  0x0056c4df in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8  0x00af2f4e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
.
Thread 1 (process 28558):
#0  0x46f5f1f3 in IA__g_type_check_instance_is_a (type_instance=0x8a155cc, 
    iface_type=80) at /build/buildd/glib2.0-2.21.4/gobject/gtype.c:3695
	node = (TypeNode *) 0x1015ff64
	iface = (TypeNode *) 0x89ed0e4
	check = <value optimized out>
#1  0x46f452c6 in IA__g_object_unref (_object=0x8a155cc)
    at /build/buildd/glib2.0-2.21.4/gobject/gobject.c:2370
	__r = <value optimized out>
	object = (GObject *) 0x8a155cc
	old_ref = <value optimized out>
	__PRETTY_FUNCTION__ = "IA__g_object_unref"
#2  0x00e6def3 in ubuntuone_nautilus_finalize (object=0x8a0cf00)
    at ubuntuone-nautilus.c:605
No locals.
#3  0x46f453f3 in IA__g_object_unref (_object=0x8a0cf00)
    at /build/buildd/glib2.0-2.21.4/gobject/gobject.c:2421
	object = (GObject *) 0x8a0cf00
	old_ref = <value optimized out>
	__PRETTY_FUNCTION__ = "IA__g_object_unref"
#4  0x0814508d in free_module_objects () at nautilus-module.c:216
	l = <value optimized out>
	next = (GList *) 0x8bd32b0
#5  0x0816c4fc in eel_debug_shut_down () at eel-debug.c:109
	f = (ShutdownFunction *) 0x8a442e8
#6  0x08081363 in main (argc=1, argv=0xbf95b654) at nautilus-main.c:558
	kill_shell = 0
	no_default_window = 0
	browser_window = 0
	no_desktop = 0
	version = 0
	autostart_mode = 0
	autostart_id = <value optimized out>
	geometry = (gchar *) 0x0
	remaining = (const gchar **) 0x0
	perform_self_check = 0
	application = (NautilusApplication *) 0x89fa340
	context = (GOptionContext *) 0x0
	file = (GFile *) 0x0
	uri = <value optimized out>
	uris = (char **) 0x0
	uris_array = <value optimized out>
	error = (GError *) 0x0
	options = {{long_name = 0x81a5c39 "check", short_name = 99 'c', 
    flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0xbf95b590, 
    description = 0x81a5c7c "Perform a quick set of self-check tests.", 
    arg_description = 0x0}, {long_name = 0x81a5b6f "version", 
    short_name = 0 '\0', flags = 0, arg = G_OPTION_ARG_NONE, 
    arg_data = 0xbf95b59c, 
    description = 0x81a5ca8 "Show the version of the program.", 
    arg_description = 0x0}, {long_name = 0x81a970f "geometry", 
    short_name = 103 'g', flags = 0, arg = G_OPTION_ARG_STRING, 
    arg_data = 0xbf95b598, 
    description = 0x81a5ccc "Create the initial window with the given geometry.", arg_description = 0x81a5b77 "GEOMETRY"}, {
    long_name = 0x81a5b80 "no-default-window", short_name = 110 'n', 
    flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0xbf95b5a8, 
    description = 0x81a5d00 "Only create windows for explicitly specified URIs.", arg_description = 0x0}, {long_name = 0x81a5b92 "no-desktop", 
    short_name = 0 '\0', flags = 0, arg = G_OPTION_ARG_NONE, 
    arg_data = 0xbf95b5a0, 
    description = 0x81a5d34 "Do not manage the desktop (ignore the preference set in the preferences dialog).", arg_description = 0x0}, {
    long_name = 0x81a28b1 "browser", short_name = 0 '\0', flags = 0, 
    arg = G_OPTION_ARG_NONE, arg_data = 0xbf95b5a4, 
    description = 0x81a5b9d "open a browser window.", arg_description = 0x0}, 
  {long_name = 0x81c4efd "quit", short_name = 113 'q', flags = 0, 
    arg = G_OPTION_ARG_NONE, arg_data = 0xbf95b5ac, 
    description = 0x81a5bb4 "Quit Nautilus.", arg_description = 0x0}, {
    long_name = 0x81aa941 "", short_name = 0 '\0', flags = 0, 
    arg = G_OPTION_ARG_STRING_ARRAY, arg_data = 0xbf95b594, 
    description = 0x0, arg_description = 0x81a5bc3 "[URI...]"}, {
    long_name = 0x0, short_name = 0 '\0', flags = 0, arg = G_OPTION_ARG_NONE, 
    arg_data = 0x0, description = 0x0, arg_description = 0x0}}