The bug has been reported on https://bugs.launchpad.net/ubuntu/+source/telepathy-gabble/+bug/1237191 The reports seem to have started with 0.18 in raring Backtrace of the issue "#0 stun_server_resolved_cb (resolver=0x1296310, result=0x15aab60, user_data=0x18f4ce0) at wocky-jingle-info.c:277 data = 0x18f4ce0 self = 0x0 priv = e = 0x0 address = entries = __func__ = "stun_server_resolved_cb" #1 0x00007f25c98dae3b in g_task_return_now (task=0x15aab60) at /build/buildd/glib2.0-2.38.0/./gio/gtask.c:1108 No locals. #2 0x00007f25c98db4a6 in g_task_return (task=0x15aab60, type=) at /build/buildd/glib2.0-2.38.0/./gio/gtask.c:1161 source = 0x126c750 type = task = 0x15aab60 #3 0x00007f25c96203b7 in _g_closure_invoke_va (closure=0x12ac070, return_value=0x0, instance=0x7f25c00079a0, args=0x7fffee1f2f48, n_params=0, param_types=0x0) at /build/buildd/glib2.0-2.38.0/./gobject/gclosure.c:840 marshal = 0x7f25c9621f10 marshal_data = 0x0 in_marshal = 0 real_closure = 0x12ac050 __PRETTY_FUNCTION__ = "_g_closure_invoke_va" #4 0x00007f25c9638e82 in g_signal_emit_valist (instance=0x7f25c00079a0, signal_id=, detail=0, var_args=var_args@entry=0x7fffee1f2f48) at /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c:3238 return_accu = 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}}} accumulator = 0x0 emission = {next = 0x0, instance = 0x7f25c00079a0, ihint = {signal_id = 47, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 19281632} signal_id = 47 instance_type = emission_return = {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}}} rtype = 4 static_scope = 0 fastpath_handler = closure = 0x12ac070 run_type = l = fastpath = instance_and_params = signal_return_type = param_values = i = n_params = __PRETTY_FUNCTION__ = "g_signal_emit_valist" __FUNCTION__ = "g_signal_emit_valist" #5 0x00007f25c9639ae2 in g_signal_emit (instance=instance@entry=0x7f25c00079a0, signal_id=, detail=detail@entry=0) at /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c:3386 var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fffee1f3020, reg_save_area = 0x7fffee1f2f60}} #6 0x00007f25c98975f5 in g_cancellable_cancel (cancellable=0x7f25c00079a0) at /build/buildd/glib2.0-2.38.0/./gio/gcancellable.c:503 priv = 0x7f25c0007990 #7 0x00007f25c9623c8f in weak_refs_notify (data=0x1f07e50) at /build/buildd/glib2.0-2.38.0/./gobject/gobject.c:2643 wstack = 0x1f07e50 i = 1 #8 0x00007f25c9624abc in g_object_unref (_object=0x19a8c90) at /build/buildd/glib2.0-2.38.0/./gobject/gobject.c:3160 weak_locations = 0x0 object = 0x19a8c90 old_ref = __PRETTY_FUNCTION__ = "g_object_unref" #9 0x00007f25ca2499de in wocky_jingle_factory_dispose (object=0x129de20) at wocky-jingle-factory.c:149 _pp = 0x129de10 _p = fac = 0x129de20 priv = 0x129dde0 iter = {dummy1 = 0x1295c00, dummy2 = 0x3d, dummy3 = 0x129de30, dummy4 = 8, dummy5 = 0, dummy6 = 0x0} val = 0x0 __func__ = "wocky_jingle_factory_dispose" #10 0x00007f25c9624abc in g_object_unref (_object=0x129de20) at /build/buildd/glib2.0-2.38.0/./gobject/gobject.c:3160 weak_locations = 0x0 object = 0x129de20 old_ref = __PRETTY_FUNCTION__ = "g_object_unref" #11 0x00000000004380d8 in gabble_jingle_mint_dispose (object=0x15d7f60) at jingle-mint.c:151 _pp = _p = self = priv = parent_class = 0x122cf40 #12 0x00007f25c9624abc in g_object_unref (_object=0x15d7f60) at /build/buildd/glib2.0-2.38.0/./gobject/gobject.c:3160 weak_locations = 0x0 object = 0x15d7f60 old_ref = __PRETTY_FUNCTION__ = "g_object_unref" #13 0x00000000004557fc in gabble_connection_dispose (object=0x12648c0) at connection.c:1281 _tp_clear_pointer_tmp = self = 0x12648c0 base = 0x12648c0 priv = 0x12646d0 __func__ = "gabble_connection_dispose" #14 0x00007f25c9624abc in g_object_unref (_object=0x12648c0) at /build/buildd/glib2.0-2.38.0/./gobject/gobject.c:3160 weak_locations = 0x0 object = 0x12648c0 old_ref = __PRETTY_FUNCTION__ = "g_object_unref" #15 0x00007f25c96395ef in g_signal_emit_valist (instance=, signal_id=, detail=, var_args=var_args@entry=0x7fffee1f32f8) at /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c:3288 return_accu = 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}}} accumulator = emission = {next = 0x0, instance = 0x12648c0, ihint = {signal_id = 18, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4} signal_id = instance_type = emission_return = {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}}} rtype = static_scope = fastpath_handler = closure = 0x1ecb6c0 run_type = l = fastpath = instance_and_params = signal_return_type = param_values = i = n_params = __PRETTY_FUNCTION__ = "g_signal_emit_valist" __FUNCTION__ = "g_signal_emit_valist" #16 0x00007f25c9639ae2 in g_signal_emit (instance=instance@entry=0x12648c0, signal_id=, detail=detail@entry=0) at /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c:3386 var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fffee1f33d0, reg_save_area = 0x7fffee1f3310}} #17 0x00007f25c9e5d4f7 in tp_base_connection_finish_shutdown (self=self@entry=0x12648c0) at base-connection.c:2864 contexts = i = __PRETTY_FUNCTION__ = "tp_base_connection_finish_shutdown" #18 0x0000000000456cce in closed_cb (source=0x12b3330, res=0x19a8f50, user_data=) at connection.c:2319 self = priv = 0x12646d0 base = 0x12648c0 error = 0x0 __func__ = "closed_cb" #19 0x00007f25c98cea67 in g_simple_async_result_complete (simple=0x19a8f50) at /build/buildd/glib2.0-2.38.0/./gio/gsimpleasyncresult.c:777 current_source = 0x126c750 current_context = 0x18a3e80 __PRETTY_FUNCTION__ = "g_simple_async_result_complete" #20 0x00007f25ca238647 in complete_close (self=) at wocky-c2s-porter.c:815 priv = 0x12b3270 tmp = 0x19a8f50 #21 0x00007f25ca239ac5 in close_sent_cb (source=0x24a3f20, res=0x2208070, user_data=) at wocky-c2s-porter.c:1426 self = 0x12b3330 priv = 0x12b3270 error = 0x0 #22 0x00007f25c98cea67 in g_simple_async_result_complete (simple=0x2208070) at /build/buildd/glib2.0-2.38.0/./gio/gsimpleasyncresult.c:777 current_source = 0x126c750 current_context = 0x18a3e80 __PRETTY_FUNCTION__ = "g_simple_async_result_complete" #23 0x00007f25ca26f47f in wocky_xmpp_connection_write_cb (source=0x7f25b4001b10, res=0x1240aa0, user_data=) at wocky-xmpp-connection.c:338 r = 0x2208070 self = priv = 0x24a3aa0 written = error = 0x0 #24 0x00007f25c98dae3b in g_task_return_now (task=0x1240aa0) at /build/buildd/glib2.0-2.38.0/./gio/gtask.c:1108 No locals. #25 0x00007f25c98db4a6 in g_task_return (task=0x1240aa0, type=) at /build/buildd/glib2.0-2.38.0/./gio/gtask.c:1161 source = 0x126c750 type = task = 0x1240aa0 #26 0x00007f25c98c73db in async_ready_write_callback_wrapper (source_object=0x7f25b4001b10, res=0x19a8ee0, user_data=0x1240aa0) at /build/buildd/glib2.0-2.38.0/./gio/goutputstream.c:644 stream = 0x7f25b4001b10 class = task = 0x1240aa0 nwrote = error = 0x0 #27 0x00007f25c98cea67 in g_simple_async_result_complete (simple=0x19a8ee0) at /build/buildd/glib2.0-2.38.0/./gio/gsimpleasyncresult.c:777 current_source = 0x126c750 current_context = 0x18a3e80 __PRETTY_FUNCTION__ = "g_simple_async_result_complete" #28 0x00007f25ca27345e in wocky_tls_job_result_gssize (job=, result=17) at wocky-tls.c:369 simple = 0x19a8ee0 #29 0x00007f25c98dae3b in g_task_return_now (task=0x15aa9c0) at /build/buildd/glib2.0-2.38.0/./gio/gtask.c:1108 No locals. #30 0x00007f25c98db4a6 in g_task_return (task=0x15aa9c0, type=) at /build/buildd/glib2.0-2.38.0/./gio/gtask.c:1161 source = 0x126c750 type = task = 0x15aa9c0 #31 0x00007f25c98c73db in async_ready_write_callback_wrapper (source_object=0x19645b0, res=0x15aa820, user_data=0x15aa9c0) at /build/buildd/glib2.0-2.38.0/./gio/goutputstream.c:644 stream = 0x19645b0 class = task = 0x15aa9c0 nwrote = error = 0x0 #32 0x00007f25c98dae3b in g_task_return_now (task=0x15aa820) at /build/buildd/glib2.0-2.38.0/./gio/gtask.c:1108 No locals. #33 0x00007f25c98dae59 in complete_in_idle_cb (task=0x15aa820) at /build/buildd/glib2.0-2.38.0/./gio/gtask.c:1117 No locals. #34 0x00007f25c91533a6 in g_main_dispatch (context=0x12332e0) at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:3065 dispatch = 0x7f25c9150440 was_in_call = 0 user_data = 0x15aa820 callback = 0x7f25c98dae50 cb_funcs = 0x7f25c940a940 cb_data = 0x18e2350 need_destroy = current_source_link = {data = 0x126c750, next = 0x0} source = 0x126c750 current = 0x1241960 i = 6 #35 g_main_context_dispatch (context=context@entry=0x12332e0) at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:3641 No locals. #36 0x00007f25c91536f8 in g_main_context_iterate (context=0x12332e0, block=block@entry=1, dispatch=dispatch@entry=1, self=) at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:3712 max_priority = 0 timeout = 0 some_ready = 1 nfds = allocated_nfds = 8 fds = 0x18e6190 #37 0x00007f25c9153afa in g_main_loop_run (loop=0x12405b0) at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:3906 __PRETTY_FUNCTION__ = "g_main_loop_run" #38 0x00007f25c9f32f72 in tp_run_connection_manager (prog_name=prog_name@entry=0x4a4787 "telepathy-gabble", version=version@entry=0x4abe6d "0.18.1", construct_cm=construct_cm@entry=0x426a10 , argc=argc@entry=1, argv=argv@entry=0x7fffee1f3888) at run.c:285 connection = 0x1230320 bus_daemon = 0x1234a50 error = 0x0 ret = 1 __PRETTY_FUNCTION__ = "tp_run_connection_manager" #39 0x0000000000426d0c in gabble_main (argc=1, argv=0x7fffee1f3888) at gabble.c:177 loader = 0x122ca70 out = fatal_mask = #40 0x00007f25c8b48de5 in __libc_start_main (main=0x426900
, argc=1, ubp_av=0x7fffee1f3888, init=, fini=, rtld_fini=, stack_end=0x7fffee1f3878) at libc-start.c:260 result = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -7241299887337116461, 4352288, 140737188411520, 0, 0, 7241330942358449363, 7334724933526482131}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x4a4670 <__libc_csu_init>, 0x7fffee1f3888}, data = {prev = 0x0, cleanup = 0x0, canceltype = 4867696}}} not_first_call = #41 0x0000000000426949 in _start () No symbol table info available."