.
Thread 2 (process 6818):
#0  0x006b9422 in __kernel_vsyscall ()
#1  0x010407f6 in epoll_wait () from /lib/tls/i686/cmov/libc.so.6
No locals.
#2  0x00b6d792 in epoll_dispatch (base=0x88afd40, arg=0x88ae2f0, tv=0x88b2c20)
    at epoll.c:208
	events = (struct epoll_event *) 0x88b2c20
	evep = <value optimized out>
	i = <value optimized out>
	res = -1
	timeout = <value optimized out>
#3  0x00b5ff82 in event_base_loop (base=0x88afd40, flags=0) at event.c:535
	evsel = (const struct eventop *) 0xb73eac
	evbase = (void *) 0x88ae2f0
	tv = {tv_sec = 0, tv_usec = 42939}
	tv_p = (struct timeval *) 0x88b2c20
	res = <value optimized out>
#4  0x00b603c9 in event_loop (flags=0) at event.c:468
No locals.
#5  0x00b603ee in event_dispatch () at event.c:406
No locals.
#6  0x080a525d in libeventThreadFunc (veh=0x88af248) at trevent.c:239
No locals.
#7  0x001364df in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8  0x0103ff4e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
.
Thread 1 (process 6817):
#0  IA__g_type_check_instance_cast (type_instance=0x40594000, 
    iface_type=145006736) at /build/buildd/glib2.0-2.21.4/gobject/gtype.c:3723
No locals.
#1  0x0807a4a9 in onPortTested (core=0x8876858, isOpen=0, vdata=0x9c04460)
    at tr-prefs.c:1294
	data = (struct network_page_data *) 0x9c04460
	markup = 0xb7f032d1 <Address 0xb7f032d1 out of bounds>
#2  0x0016304c in IA__g_cclosure_marshal_VOID__BOOLEAN (closure=0x9c03720, 
    return_value=0x0, n_param_values=2, param_values=0x93f5bb8, 
    invocation_hint=0xbff5dc90, marshal_data=0x807a460)
    at /build/buildd/glib2.0-2.21.4/gobject/gmarshal.c:111
	data1 = (gpointer) 0x8876858
	data2 = (gpointer) 0x9c04460
	__PRETTY_FUNCTION__ = "IA__g_cclosure_marshal_VOID__BOOLEAN"
#3  0x00154102 in IA__g_closure_invoke (closure=0x9c03720, return_value=0x0, 
    n_param_values=2, param_values=0x93f5bb8, invocation_hint=0xbff5dc90)
    at /build/buildd/glib2.0-2.21.4/gobject/gclosure.c:767
	marshal = (
    GClosureMarshal) 0x805e860 <g_cclosure_marshal_VOID__BOOLEAN@plt>
	marshal_data = (gpointer) 0x0
	__PRETTY_FUNCTION__ = "IA__g_closure_invoke"
#4  0x0016aae8 in signal_emit_unlocked_R (node=<value optimized out>, 
    detail=<value optimized out>, instance=0x8876858, emission_return=0x0, 
    instance_and_params=0x93f5bb8)
    at /build/buildd/glib2.0-2.21.4/gobject/gsignal.c:3247
	tmp = (Handler *) 0x139460
	handler = (Handler *) 0x947f700
	accumulator = (SignalAccumulator *) 0x0
	emission = {next = 0x0, instance = 0x8876858, ihint = {
    signal_id = 144, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, 
  state = EMISSION_RUN, chain_type = 4}
	class_closure = (GClosure *) 0x0
	handler_list = (Handler *) 0x139460
	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 = 144
	max_sequential_handler_number = 311312
	return_value_altered = 0
#5  0x0016becd in IA__g_signal_emit_valist (instance=0x8876858, 
    signal_id=144, detail=0, var_args=0xbff5de50 "(?\204\b\003")
    at /build/buildd/glib2.0-2.21.4/gobject/gsignal.c:2980
	signal_return_type = 4
	node = (SignalNode *) 0x88ebfb8
	i = <value optimized out>
	n_params = 1
	__PRETTY_FUNCTION__ = "IA__g_signal_emit_valist"
#6  0x0016c386 in IA__g_signal_emit (instance=0x8876858, signal_id=144, 
    detail=0) at /build/buildd/glib2.0-2.21.4/gobject/gsignal.c:3037
No locals.
#7  0x08076117 in portTestResponseFunc (core=0x8876858, response=0xbff5dea4, 
    userData=0x0) at tr-core.c:810
	args = (tr_benc *) 0x9bad608
	isOpen = <value optimized out>
#8  0x08075f6d in readResponseIdle (vresponse=0x9bf0898) at tr-core.c:1317
	top = {val = {b = 240 '?', d = 1.7056617311262441e-313, 
    i = 34522977776, s = {len = 163239408, str = {
        buf = "\b\000\000\000\006\000\000\000\000\000\000\000\000\000\000", 
        ptr = 0x8 <Address 0x8 out of bounds>}}, l = {vals = 0x9bad5f0, 
      alloc = 8, count = 6}}, type = 8 '\b'}
	intVal = 6
	tag = 6
#9  0x00ca3098 in gdk_threads_dispatch (data=0x96b48b0)
    at /build/buildd/gtk+2.0-2.17.6/gdk/gdk.c:498
	ret = 0
#10 0x007b8ec1 in g_idle_dispatch (source=0xb68507c8, callback=0x8a4a090, 
    user_data=0x96b48b0) at /build/buildd/glib2.0-2.21.4/glib/gmain.c:4065
No locals.
#11 0x007bac48 in IA__g_main_context_dispatch (context=0x887b050)
    at /build/buildd/glib2.0-2.21.4/glib/gmain.c:1960
No locals.
#12 0x007be4f0 in g_main_context_iterate (context=0x887b050, 
    block=<value optimized out>, dispatch=1, self=0x884fe38)
    at /build/buildd/glib2.0-2.21.4/glib/gmain.c:2591
	max_priority = 2147483647
	timeout = 500
	some_ready = 1
	nfds = <value optimized out>
	allocated_nfds = <value optimized out>
	fds = <value optimized out>
	__PRETTY_FUNCTION__ = "g_main_context_iterate"
#13 0x007be95f in IA__g_main_loop_run (loop=0x8b2cb18)
    at /build/buildd/glib2.0-2.21.4/glib/gmain.c:2799
	self = (GThread *) 0x884fe38
	__PRETTY_FUNCTION__ = "IA__g_main_loop_run"
#14 0x0038ba49 in IA__gtk_main ()
    at /build/buildd/gtk+2.0-2.17.6/gtk/gtkmain.c:1205
	tmp_list = (GList *) 0x2f74c
	functions = (GList *) 0x0
	init = (GtkInitFunction *) 0x0
	loop = (GMainLoop *) 0x8b2cb18
#15 0x0806dac2 in main (argc=1, argv=0xbff5e2a4) at main.c:481
	err = 0x0
	argfiles = (GSList *) 0x2f74c
	gerr = (GError *) 0x0
	didinit = 0
	didlock = 0
	showversion = 0
	startpaused = 0
	startminimized = 0
	configDir = 0x8853460 "/home/david/.config/transmission"
	tr_state = TR_LOCKFILE_SUCCESS
	entries = {{long_name = 0x80ddad3 "paused", short_name = 112 'p', 
    flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0xbff5e1f0, 
    description = 0x80db2e0 "Start with all torrents paused", 
    arg_description = 0x0}, {long_name = 0x80e03dd "version", 
    short_name = 0 '\0', flags = 0, arg = G_OPTION_ARG_NONE, 
    arg_data = 0xbff5e1f4, 
    description = 0x80db080 "Show version number and exit", 
    arg_description = 0x0}, {long_name = 0x80db09d "minimized", 
    short_name = 109 'm', flags = 0, arg = G_OPTION_ARG_NONE, 
    arg_data = 0xbff5e1ec, 
    description = 0x80db300 "Start minimized in system tray", 
    arg_description = 0x0}, {long_name = 0x80db0a7 "config-dir", 
    short_name = 103 'g', flags = 0, arg = G_OPTION_ARG_FILENAME, 
    arg_data = 0xbff5e1e8, 
    description = 0x80db320 "Where to look for configuration files", 
    arg_description = 0x0}, {long_name = 0x0, short_name = 0 '\0', flags = 0, 
    arg = G_OPTION_ARG_NONE, arg_data = 0x0, description = 0x0, 
    arg_description = 0x0}}