#0  0x0525c818 in ?? ()
No symbol table info available.
#1  0x0092de07 in g_type_class_meta_marshal (closure=0xb76e15a0, 
    return_value=0x0, n_param_values=2, param_values=0xb0541e00, 
    invocation_hint=0xbfc3f8a0, marshal_data=0x7c)
    at /build/buildd/glib2.0-2.27.92/gobject/gclosure.c:878
	class = <value optimized out>
	callback = <value optimized out>
	offset = 124
#2  0x0092f3e0 in g_closure_invoke (closure=0xb76e15a0, return_value=0x0, 
    n_param_values=2, param_values=0xb0541e00, invocation_hint=0xbfc3f8a0)
    at /build/buildd/glib2.0-2.27.92/gobject/gclosure.c:197
	marshal = (GClosureMarshal) 0x92ddb0 <g_type_class_meta_marshal>
	marshal_data = (gpointer) 0x7c
	in_marshal = 1
	__PRETTY_FUNCTION__ = "g_closure_invoke"
#3  0x00942996 in signal_emit_unlocked_R (node=0xb76e15e0, detail=0, 
    instance=0xb0c84c80, emission_return=0x0, instance_and_params=0xb0541e00)
    at /build/buildd/glib2.0-2.27.92/gobject/gsignal.c:362
	accumulator = (SignalAccumulator *) 0x0
	emission = {next = 0xbfc3fd28, instance = 0xb0c84c80, ihint = {
    signal_id = 18, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, 
  state = EMISSION_RUN, chain_type = 3073912144}
	class_closure = (GClosure *) 0xb76e15a0
	handler_list = <value optimized out>
	return_accu = (GValue *) 0x0
	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 = 18
	max_sequential_handler_number = 3991
	return_value_altered = <value optimized out>
#4  0x0094bf65 in g_signal_emit_valist (instance=0xb0c84c80, signal_id=18, 
    detail=0, var_args=0xbfc3fadc "��a\006\200LȰ@\004")
    at /build/buildd/glib2.0-2.27.92/gobject/gsignal.c:362
	instance_and_params = (GValue *) 0xb0541e00
	signal_return_type = 4
	param_values = (GValue *) 0xb0541e14
	node = (SignalNode *) 0xb76e15e0
	i = <value optimized out>
	n_params = 1
	__PRETTY_FUNCTION__ = "g_signal_emit_valist"
#5  0xb0c84c80 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)