#0  0x00007f2fdfe88e8c in dconf_engine_refresh_user (i=0, engine=0x2a8dde0) at ../engine/dconf-engine.c:148
No locals.
#1  dconf_engine_refresh (engine=0x2a8dde0) at ../engine/dconf-engine.c:204
        i = <optimized out>
#2  0x00007f2fdfe897fe in dconf_engine_get_state (engine=0x2a8dde0) at ../engine/dconf-engine.c:228
        state = <optimized out>
#3  0x00007f2fdfe8b00b in outstanding_watch_new (name=0x4707810 "/apps/update-manager/", dcsb=0x2ada840) at dconfsettingsbackend.c:538
        watch = 0x46faa80
#4  dconf_settings_backend_subscribe (backend=0x2ada840, name=0x4707810 "/apps/update-manager/") at dconfsettingsbackend.c:626
        dcsb = 0x2ada840
#5  0x00007f2fe644fb63 in g_object_newv (object_type=<optimized out>, n_parameters=74429216, parameters=<optimized out>) at /build/buildd/glib2.0-2.32.0/./gobject/gobject.c:1741
        cparams = <optimized out>
        oparams = 0x33121a0
        nqueue = <optimized out>
        object = 0x4560320
        class = 0x2ad4c70
        unref_class = 0x0
        slist = <optimized out>
        n_total_cparams = <optimized out>
        n_cparams = <optimized out>
        n_oparams = 0
        n_cvalues = <optimized out>
        cvalues = <optimized out>
        clist = <optimized out>
        newly_constructed = 1
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_object_newv"
#6  0x00007f2fe4b38a8a in pygobject_constructv (self=0x51645a0, n_parameters=3, parameters=0x34ef430) at /build/buildd/pygobject-3.2.0/gi/_gobject/gobjectmodule.c:1022
        obj = <optimized out>
#7  0x00007f2fe4b41141 in pygobject_init (self=0x51645a0, args=<optimized out>, kwargs={'path': None, 'schema': 'com.ubuntu.update-manager', 'backend': None}) at /build/buildd/pygobject-3.2.0/gi/_gobject/pygobject.c:1192
        object_type = 44911184
        n_params = 3
        i = <optimized out>
        params = 0x34ef430
        class = 0x2ad4c70
#8  0x00000000004df94e in wrap_init.25115 ()
No locals.
#9  0x000000000050bbf6 in PyObject_Call ()
No locals.
#10 0x000000000050c206 in PyEval_CallObjectWithKeywords ()
No locals.
#11 0x000000000050c823 in wrapperdescr_call.11030 ()
No locals.
#12 0x000000000050bbf6 in PyObject_Call ()
No locals.
#13 0x00000000005673ba in PyEval_EvalFrameEx ()
No locals.
#14 0x000000000056e172 in PyEval_EvalCodeEx ()
No locals.
#15 0x000000000054d500 in function_call ()
No locals.
#16 0x000000000050bbf6 in PyObject_Call ()
No locals.
#17 0x00000000004e82fa in instancemethod_call.8548 ()
No locals.
#18 0x000000000050bbf6 in PyObject_Call ()
No locals.
#19 0x0000000000438c9e in slot_tp_init.25609 ()
No locals.
#20 0x00000000004dfa76 in type_call.25258 ()
No locals.
#21 0x000000000050bbf6 in PyObject_Call ()
No locals.
#22 0x00000000005673ba in PyEval_EvalFrameEx ()
No locals.
#23 0x0000000000567552 in PyEval_EvalFrameEx ()
No locals.
#24 0x000000000056e172 in PyEval_EvalCodeEx ()
No locals.
#25 0x000000000054d500 in function_call ()
No locals.
#26 0x000000000050bbf6 in PyObject_Call ()
No locals.
#27 0x00000000004e82fa in instancemethod_call.8548 ()
No locals.
#28 0x000000000050bbf6 in PyObject_Call ()
No locals.
#29 0x000000000050c206 in PyEval_CallObjectWithKeywords ()
No locals.
#30 0x00007f2fe68ca466 in pygi_signal_closure_marshal (closure=0x3206dc0, return_value=0x0, n_param_values=1, param_values=0x7fff924c20f0, invocation_hint=<optimized out>, marshal_data=<optimized out>) at /build/buildd/pygobject-3.2.0/gi/pygi-signal-closure.c:168
        state = PyGILState_UNLOCKED
        pc = 0x3206dc0
        params = (<Button at remote 0x30dc960>,)
        ret = 0x0
        i = <optimized out>
        signal_info = 0x3181c00
        n_sig_info_args = 0
        sig_info_highest_arg = 1
        __PRETTY_FUNCTION__ = "pygi_signal_closure_marshal"
#31 0x00007f2fe6448c82 in g_closure_invoke (closure=0x3206dc0, return_value=0x0, n_param_values=1, param_values=0x7fff924c20f0, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.32.0/./gobject/gclosure.c:777
        marshal = 0x7f2fe68ca2d0 <pygi_signal_closure_marshal>
        marshal_data = <optimized out>
        in_marshal = <optimized out>
        real_closure = 0x3206da0
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#32 0x00007f2fe6459d51 in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=<optimized out>, emission_return=0x0, instance_and_params=0x7fff924c20f0) at /build/buildd/glib2.0-2.32.0/./gobject/gsignal.c:3547
        tmp = <optimized out>
        handler = 0x31a3c60
        accumulator = 0x0
        emission = {next = 0x7fff924c2540, instance = 0x3142dc0, ihint = {signal_id = 151, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0x2bfbe10
        hlist = 0x43c5838
        handler_list = 0x31a3c60
        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}}}
        signal_id = 151
        max_sequential_handler_number = 1407
        return_value_altered = 1
#33 0x00007f2fe6462079 in g_signal_emit_valist (instance=0x3142dc0, signal_id=<optimized out>, detail=0, var_args=<optimized out>) at /build/buildd/glib2.0-2.32.0/./gobject/gsignal.c:3296
        instance_and_params = 0x7fff924c20f0
        signal_return_type = 4
        param_values = 0x7fff924c2108
        node = 0x2bfbe40
        i = <optimized out>
        n_params = 0
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#34 0x00007f2fe6462222 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.32.0/./gobject/gsignal.c:3352
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff924c23f0, reg_save_area = 0x7fff924c2330}}
#35 0x00007f2fe4182da8 in gtk_real_button_released (button=0x3142dc0) at /build/buildd/gtk+3.0-3.4.0/./gtk/gtkbutton.c:2007
        priv = <optimized out>
#36 0x00007f2fe6448c82 in g_closure_invoke (closure=0x2b61930, return_value=0x0, n_param_values=1, param_values=0x7fff924c2600, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.32.0/./gobject/gclosure.c:777
        marshal = 0x7f2fe64478a0 <g_type_class_meta_marshal>
        marshal_data = <optimized out>
        in_marshal = <optimized out>
        real_closure = 0x2b61910
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#37 0x00007f2fe645a159 in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=<optimized out>, emission_return=0x0, instance_and_params=0x7fff924c2600) at /build/buildd/glib2.0-2.32.0/./gobject/gsignal.c:3477
        accumulator = 0x0
        emission = {next = 0x7fff924c2b30, instance = 0x3142dc0, ihint = {signal_id = 150, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 44639088}
        class_closure = 0x2b61930
        hlist = 0x43c5838
        handler_list = <optimized out>
        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}}}
        signal_id = 150
        max_sequential_handler_number = 1407
        return_value_altered = <optimized out>
#38 0x00007f2fe6462079 in g_signal_emit_valist (instance=0x3142dc0, signal_id=<optimized out>, detail=0, var_args=<optimized out>) at /build/buildd/glib2.0-2.32.0/./gobject/gsignal.c:3296
        instance_and_params = 0x7fff924c2600
        signal_return_type = 4
        param_values = 0x7fff924c2618
        node = 0x2bfbd60
        i = <optimized out>
        n_params = 0
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#39 0x00007f2fe6462222 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.32.0/./gobject/gsignal.c:3352
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff924c2900, reg_save_area = 0x7fff924c2840}}
#40 0x00007f2fe41814e7 in gtk_button_button_release (widget=<optimized out>, event=<optimized out>) at /build/buildd/gtk+3.0-3.4.0/./gtk/gtkbutton.c:1842
        button = <optimized out>
#41 gtk_button_button_release (widget=<optimized out>, event=<optimized out>) at /build/buildd/gtk+3.0-3.4.0/./gtk/gtkbutton.c:1834
No locals.
#42 0x00007f2fe4241fa1 in _gtk_marshal_BOOLEAN__BOXEDv (closure=0x2ae4830, return_value=0x7fff924c2b80, instance=0x3142dc0, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x2ae4860) at /build/buildd/gtk+3.0-3.4.0/./gtk/gtkmarshalers.c:130
        cc = 0x2ae4830
        data1 = <optimized out>
        data2 = <optimized out>
        callback = <optimized out>
        arg0 = 0x45dd210
        args_copy = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fff924c2d00, reg_save_area = 0x7fff924c2c40}}
        v_return = <optimized out>
        __PRETTY_FUNCTION__ = "_gtk_marshal_BOOLEAN__BOXEDv"
#43 0x00007f2fe6448eaa in _g_closure_invoke_va (closure=0x2ae4830, return_value=0x7fff924c2b80, instance=0x3142dc0, args=0x7fff924c2c28, n_params=1, param_types=<optimized out>) at /build/buildd/glib2.0-2.32.0/./gobject/gclosure.c:840
        marshal = 0x7f2fe64472d0 <g_type_class_meta_marshalv>
        marshal_data = <optimized out>
        in_marshal = 0
        real_closure = 0x2ae4810
        __PRETTY_FUNCTION__ = "_g_closure_invoke_va"
#44 0x00007f2fe6461721 in g_signal_emit_valist (instance=0x3142dc0, signal_id=<optimized out>, detail=0, var_args=<optimized out>) at /build/buildd/glib2.0-2.32.0/./gobject/gsignal.c:3207
        return_accu = <optimized out>
        accu = {g_type = 20, 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 = 0x2ae46e0
        emission = {next = 0x0, instance = 0x3142dc0, ihint = {signal_id = 33, detail = 0, run_type = G_SIGNAL_RUN_LAST}, state = EMISSION_RUN, chain_type = 44639088}
        signal_id = <optimized out>
        instance_type = <optimized out>
        emission_return = {g_type = 20, 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 = 20
        static_scope = 0
        closure = 0x2ae4830
        run_type = <optimized out>
        hlist = 0x0
        l = <optimized out>
        fastpath = 1
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        node = 0x2ae4880
        i = <optimized out>
        n_params = <optimized out>
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#45 0x00007f2fe6462222 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.32.0/./gobject/gsignal.c:3352
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff924c2d00, reg_save_area = 0x7fff924c2c40}}
#46 0x00007f2fe436d459 in gtk_widget_event_internal (widget=0x3142dc0, event=0x45dd210) at /build/buildd/gtk+3.0-3.4.0/./gtk/gtkwidget.c:6380
        signal_num = <optimized out>
        return_val = 0
#47 0x00007f2fe423fe4b in propagate_event_up (topmost=<optimized out>, event=<optimized out>, widget=0x3142dc0) at /build/buildd/gtk+3.0-3.4.0/./gtk/gtkmain.c:2404
        tmp = <optimized out>
        handled_event = <optimized out>
#48 propagate_event (widget=<optimized out>, event=0x45dd210, captured=<optimized out>, topmost=0x0) at /build/buildd/gtk+3.0-3.4.0/./gtk/gtkmain.c:2504
        handled_event = 0
        propagate_func = <optimized out>
#49 0x00007f2fe4241b61 in gtk_main_do_event (event=0x45dd210) at /build/buildd/gtk+3.0-3.4.0/./gtk/gtkmain.c:1717
        event_widget = <optimized out>
        grab_widget = 0x3142dc0
        topmost_widget = <optimized out>
        window_group = <optimized out>
        rewritten_event = <optimized out>
        device = <optimized out>
        tmp_list = <optimized out>
        __PRETTY_FUNCTION__ = "gtk_main_do_event"
#50 0x00007f2fe3e91cb2 in gdk_event_source_dispatch (source=<optimized out>, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/gtk+3.0-3.4.0/./gdk/x11/gdkeventsource.c:358
        display = <optimized out>
        event = 0x45dd210
#51 0x00007f2fe618bc9a in g_main_dispatch (context=0x2ad6610) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:2515
        dispatch = 0x7f2fe3e91c90 <gdk_event_source_dispatch>
        was_in_call = 0
        user_data = 0x0
        callback = 0
        cb_funcs = 0x0
        cb_data = 0x0
        current_source_link = {data = 0x2b14460, next = 0x0}
        need_destroy = <optimized out>
        source = 0x2b14460
        current = 0x32ceb20
        i = <optimized out>
#52 g_main_context_dispatch (context=0x2ad6610) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3052
No locals.
#53 0x00007f2fe618c060 in g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x2ad6610, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3123
        timeout = 620
        some_ready = 1
        fds = <optimized out>
        max_priority = 2147483647
        nfds = 8
        allocated_nfds = <optimized out>
#54 g_main_context_iterate (context=0x2ad6610, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3060
        some_ready = 1
#55 0x00007f2fe618c45a in g_main_loop_run (loop=0x43b8320) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3317
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#56 0x00007f2fe4240ecd in gtk_main () at /build/buildd/gtk+3.0-3.4.0/./gtk/gtkmain.c:1165
        loop = 0x43b8320
#57 0x00007f2fe57e9a14 in ffi_call_unix64 () at ../src/x86/unix64.S:75
No locals.
#58 0x00007f2fe57e9435 in ffi_call (cif=0x7fff924c3090, fn=0x7f2fe4240e40 <gtk_main>, rvalue=<optimized out>, avalue=<optimized out>) at ../src/x86/ffi64.c:486
        classes = {2454466816, 32767, X86_64_NO_CLASS, X86_64_NO_CLASS}
        stack = 0x7fff924c2e50 "\001"
        argp = 0x7fff924c2f00 ""
        arg_types = <optimized out>
        gprcount = 0
        ssecount = <optimized out>
        ngpr = -1840500480
        nsse = 32767
        i = <optimized out>
        avn = <optimized out>
        ret_in_memory = <optimized out>
        reg_args = 0x7fff924c2e50
#59 0x00007f2fe6691a59 in _g_callable_info_invoke (info=<optimized out>, function=0x7f2fe4240e40, in_args=0x0, n_in_args=0, out_args=0x0, n_out_args=0, return_value=0x7fff924c3230, is_method=0, throws=0, error=0x7fff924c3248) at girepository/gicallableinfo.c:610
        cif = {abi = FFI_UNIX64, nargs = 0, arg_types = 0x7fff924c3000, rtype = 0x7f2fe57e9e40, bytes = 0, flags = 0}
        rtype = 0x7f2fe57e9e40
        atypes = 0x7fff924c3000
        tinfo = <optimized out>
        rinfo = 0x34dd8a0
        rtag = GI_TYPE_TAG_VOID
        ainfo = <optimized out>
        n_args = 0
        n_invoke_args = 0
        in_pos = 0
        out_pos = <optimized out>
        i = <optimized out>
        args = 0x7fff924c2ff0
        success = 0
        local_error = 0x0
        error_address = 0x7fff924c30b8
        ffi_return_value = {v_boolean = 42889952, v_int8 = -32 '\340', v_uint8 = 224 '\340', v_int16 = 29408, v_uint16 = 29408, v_int32 = 42889952, v_uint32 = 42889952, v_int64 = 42889952, v_uint64 = 42889952, v_float = 2.09309597e-37, v_double = 2.1190451834980064e-316, v_short = 29408, v_ushort = 29408, v_int = 42889952, v_uint = 42889952, v_long = 42889952, v_ulong = 42889952, v_ssize = 42889952, v_size = 42889952, v_string = 0x28e72e0 "\220\336\215\002", v_pointer = 0x28e72e0}
        return_value_p = 0x7fff924c30b0
        __PRETTY_FUNCTION__ = "_g_callable_info_invoke"
#60 0x00007f2fe6692e0e in g_function_info_invoke (info=0x43bc050, in_args=0x0, n_in_args=0, out_args=0x0, n_out_args=0, return_value=0x7fff924c3230, error=0x7fff924c3248) at girepository/gifunctioninfo.c:274
        symbol = <optimized out>
        func = 0x7f2fe4240e40
        is_method = 0
        throws = <optimized out>
#61 0x00007f2fe68cbd48 in _invoke_callable (callable_info=<optimized out>, cache=0x33134c0, state=0x7fff924c31f0) at /build/buildd/pygobject-3.2.0/gi/pygi-invoke.c:52
        _save = 0x275a0a0
        error = 0x0
        retval = <optimized out>
#62 _wrap_g_callable_info_invoke (self=0x3f177e8, py_args=<optimized out>, kwargs=<optimized out>) at /build/buildd/pygobject-3.2.0/gi/pygi-invoke.c:633
        state = {py_in_args = (), n_py_in_args = 0, current_arg = 0, implementor_gtype = 0, args = 0x0, in_args = 0x0, out_args = 0x0, out_values = 0x0, return_arg = {v_boolean = 0, v_int8 = 0 '\000', v_uint8 = 0 '\000', v_int16 = 0, v_uint16 = 0, v_int32 = 0, v_uint32 = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_short = 0, v_ushort = 0, v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_ssize = 0, v_size = 0, v_string = 0x0, v_pointer = 0x0}, error = 0x0, failed = 0}
        ret = 0x0
#63 0x000000000056b574 in PyEval_EvalFrameEx ()
No locals.
#64 0x000000000056e172 in PyEval_EvalCodeEx ()
No locals.
#65 0x0000000000567308 in PyEval_EvalFrameEx ()
No locals.
#66 0x0000000000567552 in PyEval_EvalFrameEx ()
No locals.
#67 0x000000000056e172 in PyEval_EvalCodeEx ()
No locals.
#68 0x000000000054df1d in PyRun_SimpleFileExFlags ()
No locals.
#69 0x0000000000553693 in Py_Main ()
No locals.
#70 0x00007f2fe73f676d in __libc_start_main (main=0x41ba00 <main>, argc=2, ubp_av=0x7fff924c3ad8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff924c3ac8) at libc-start.c:226
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -3957800394684053262, 4307464, 140735647857360, 0, 0, 3957596561876502770, 3984806045496428786}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x57ed30, 0x7fff924c3ad8}, data = {prev = 0x0, cleanup = 0x0, canceltype = 5762352}}}
        not_first_call = <optimized out>
#71 0x000000000041ba31 in _start ()
No locals.