Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 1087816448 (LWP 18696)]
0x0806ab96 in bmp_system_control_add_uri_list (self=0x82ad140, uri_list=0x8107ae0, position=-1, 
    position_out=0x0, clear=0, start_playback=-1, _idx=135272344, error=0xbf8e2198)
    at system_control.c:268
268                 *position_out = 
(gdb) bt
#0  0x0806ab96 in bmp_system_control_add_uri_list (self=0x82ad140, uri_list=0x8107ae0, 
    position=-1, position_out=0x0, clear=0, start_playback=-1, _idx=135272344, error=0xbf8e2198)
    at system_control.c:268
#1  0x0806902b in dbus_glib_marshal_bmp_system_control_BOOLEAN__BOXED_INT_BOOLEAN_BOOLEAN_INT_POINTER_POINTER (closure=0xbf8e2160, return_value=0xbf8e214c, n_param_values=8, 
    param_values=0x8102588, invocation_hint=0x0, marshal_data=0x806aa90)
    at system_control_glue.h:488
#2  0x404b58ac in invoke_object_method (object=Variable "object" is not available.
) at dbus-gobject.c:1107
#3  0x404b6306 in gobject_message_function (connection=0x82ade50, message=0x82b11d0, 
    user_data=0xd) at dbus-gobject.c:1246
#4  0x404de844 in _dbus_object_tree_dispatch_and_unlock (tree=0x82af710, message=0x82b11d0)
    at dbus-object-tree.c:842
#5  0x404d0b1b in dbus_connection_dispatch (connection=0x82ade50) at dbus-connection.c:3606
#6  0x404b271d in message_queue_dispatch (source=0xd, callback=0, user_data=0x0)
    at dbus-gmain.c:113
#7  0x409afedc in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#8  0x409b32bb in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#9  0x409b35d7 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#10 0x4062aa61 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#11 0x080609e9 in main (argc=1, argv=0xbf8e2624) at main.c:475
(gdb) bt full
#0  0x0806ab96 in bmp_system_control_add_uri_list (self=0x82ad140, uri_list=0x8107ae0, 
    position=-1, position_out=0x0, clear=0, start_playback=-1, _idx=135272344, error=0xbf8e2198)
    at system_control.c:268
        tv = (GTimeVal *) 0x0
        __PRETTY_FUNCTION__ = "bmp_system_control_add_uri_list"
#1  0x0806902b in dbus_glib_marshal_bmp_system_control_BOOLEAN__BOXED_INT_BOOLEAN_BOOLEAN_INT_POINTER_POINTER (closure=0xbf8e2160, return_value=0xbf8e214c, n_param_values=8, 
    param_values=0x8102588, invocation_hint=0x0, marshal_data=0x806aa90)
    at system_control_glue.h:488
        data1 = 0x82ad140
        data2 = Variable "data2" is not available.