.
Thread 1 (process 4024):
#0  check_burn_button (dialog=0x12eab10) at xfburn-burn-image-dialog.c:436
	valid_disc = <value optimized out>
	filename = <value optimized out>
#1  0x00007f0bf402d67e in IA__g_closure_invoke (closure=0x18782d0, 
    return_value=0x0, n_param_values=3, param_values=0x18b05e0, 
    invocation_hint=0x7fffc425e2f0)
    at /build/buildd/glib2.0-2.21.4/gobject/gclosure.c:767
	marshal = (GClosureMarshal) 0
	marshal_data = (gpointer) 0x2b
	__PRETTY_FUNCTION__ = "IA__g_closure_invoke"
#2  0x00007f0bf4043856 in signal_emit_unlocked_R (node=0x149cb80, 
    detail=<value optimized out>, instance=<value optimized out>, 
    emission_return=<value optimized out>, 
    instance_and_params=<value optimized out>)
    at /build/buildd/glib2.0-2.21.4/gobject/gsignal.c:3247
	tmp = (Handler *) 0x7f0bf2d956b0
	handler = (Handler *) 0x18740a0
	accumulator = (SignalAccumulator *) 0x0
	emission = {next = 0x7fffc425e6f0, instance = 0x1499800, ihint = {
    signal_id = 177, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, 
  state = EMISSION_RUN, chain_type = 4}
	class_closure = (GClosure *) 0x149a1d0
	handler_list = (Handler *) 0x18740a0
	return_accu = <value optimized out>
	accu = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, 
      v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, 
      v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, 
      v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
	signal_id = 177
	max_sequential_handler_number = <value optimized out>
	return_value_altered = 0
#3  0x00007f0bf4044c9e in IA__g_signal_emit_valist (instance=0x1499800, 
    signal_id=<value optimized out>, detail=0, var_args=0x7fffc425e4e0)
    at /build/buildd/glib2.0-2.21.4/gobject/gsignal.c:2980
	signal_return_type = 4
	param_values = <value optimized out>
	node = (SignalNode *) 0x149cb80
	i = <value optimized out>
	n_params = <value optimized out>
	__PRETTY_FUNCTION__ = "IA__g_signal_emit_valist"
#4  0x00007f0bf4045223 in IA__g_signal_emit (instance=0x8, signal_id=0, 
    detail=0) at /build/buildd/glib2.0-2.21.4/gobject/gsignal.c:3037
	var_args = {{gp_offset = 40, fp_offset = 48, 
    overflow_arg_area = 0x7fffc425e5c0, reg_save_area = 0x7fffc425e500}}
#5  0x00007f0bf402d67e in IA__g_closure_invoke (closure=0x149d740, 
    return_value=0x0, n_param_values=1, param_values=0x18a46e0, 
    invocation_hint=0x7fffc425e700)
    at /build/buildd/glib2.0-2.21.4/gobject/gclosure.c:767
	marshal = (GClosureMarshal) 0
	marshal_data = (gpointer) 0x2b
	__PRETTY_FUNCTION__ = "IA__g_closure_invoke"
#6  0x00007f0bf4043856 in signal_emit_unlocked_R (node=0x145a610, 
    detail=<value optimized out>, instance=<value optimized out>, 
    emission_return=<value optimized out>, 
    instance_and_params=<value optimized out>)
    at /build/buildd/glib2.0-2.21.4/gobject/gsignal.c:3247
	tmp = (Handler *) 0x7f0bf2d956b0
	handler = (Handler *) 0x1496b20
	accumulator = (SignalAccumulator *) 0x0
	emission = {next = 0x0, instance = 0x144db40, ihint = {
    signal_id = 163, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, 
  state = EMISSION_RUN, chain_type = 4}
	class_closure = (GClosure *) 0x14626d0
	handler_list = (Handler *) 0x1496b20
	return_accu = <value optimized out>
	accu = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, 
      v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, 
      v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, 
      v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
	signal_id = 163
	max_sequential_handler_number = <value optimized out>
	return_value_altered = 0
#7  0x00007f0bf4044c9e in IA__g_signal_emit_valist (instance=0x144db40, 
    signal_id=<value optimized out>, detail=0, var_args=0x7fffc425e8f0)
    at /build/buildd/glib2.0-2.21.4/gobject/gsignal.c:2980
	signal_return_type = 4
	param_values = <value optimized out>
	node = (SignalNode *) 0x145a610
	i = <value optimized out>
	n_params = <value optimized out>
	__PRETTY_FUNCTION__ = "IA__g_signal_emit_valist"
#8  0x00007f0bf4045223 in IA__g_signal_emit (instance=0x8, signal_id=0, 
    detail=0) at /build/buildd/glib2.0-2.21.4/gobject/gsignal.c:3037
	var_args = {{gp_offset = 24, fp_offset = 48, 
    overflow_arg_area = 0x7fffc425e9d0, reg_save_area = 0x7fffc425e910}}
#9  0x00007f0bf31f1de8 in filter_func (connection=0x1460c10, 
    message=0x1842820, user_data=<value optimized out>) at libhal.c:1067
	udi = 0x1873004 "/org/freedesktop/Hal/devices/volume_empty_dvd_plus_r"
	object_path = 0x184c498 "/org/freedesktop/Hal/Manager"
	error = {name = 0x0, message = 0x0, dummy1 = 1, dummy2 = 0, 
  dummy3 = 0, dummy4 = 1, dummy5 = 1, padding1 = 0x7f0bf2fd2149}
	ctx = (LibHalContext *) 0x14656c0
#10 0x00007f0bf2fb7396 in dbus_connection_dispatch (connection=0x1460c10)
    at dbus-connection.c:4446
	filter = <value optimized out>
	next = (DBusList *) 0x1479008
	message = (DBusMessage *) 0x1842820
	link = <value optimized out>
	filter_list_copy = (DBusList *) 0x1479038
	message_link = (DBusList *) 0x1845810
	result = <value optimized out>
	status = <value optimized out>
	__FUNCTION__ = "dbus_connection_dispatch"
#11 0x00007f0bf1227b65 in message_queue_dispatch (
    source=<value optimized out>, callback=<value optimized out>, 
    user_data=<value optimized out>) at dbus-gmain.c:101
	connection = (DBusConnection *) 0x1460c10
#12 0x00007f0bf363da8e in IA__g_main_context_dispatch (context=0x12d18d0)
    at /build/buildd/glib2.0-2.21.4/glib/gmain.c:1960
No locals.
#13 0x00007f0bf3641458 in g_main_context_iterate (context=0x12d18d0, 
    block=<value optimized out>, dispatch=<value optimized out>, 
    self=<value optimized out>)
    at /build/buildd/glib2.0-2.21.4/glib/gmain.c:2591
	max_priority = 0
	timeout = 0
	some_ready = 1
	nfds = 8
	allocated_nfds = -211492960
	fds = <value optimized out>
	__PRETTY_FUNCTION__ = "g_main_context_iterate"
#14 0x00007f0bf36418b5 in IA__g_main_loop_run (loop=0x17d6280)
    at /build/buildd/glib2.0-2.21.4/glib/gmain.c:2799
	self = (GThread *) 0x128d3a0
	__PRETTY_FUNCTION__ = "IA__g_main_loop_run"
#15 0x00007f0bf6494117 in IA__gtk_main ()
    at /build/buildd/gtk+2.0-2.17.6/gtk/gtkmain.c:1205
	tmp_list = (GList *) 0x14cf000
	functions = (GList *) 0x0
	init = (GtkInitFunction *) 0x1499800
	loop = <value optimized out>
#16 0x000000000041df92 in main (argc=1, argv=0x7fffc425ef18)
    at xfburn-main.c:406
	mainwin = <value optimized out>
	n_burners = 1
	error = (GError *) 0x0
	error_msg = <value optimized out>
	transcoder = (XfburnTranscoder *) 0x12fe890
	devlist = <value optimized out>