.
Thread 4 (Thread 1177):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:216
No locals.
#1  0x00007fc207b834d5 in g_cond_timed_wait_posix_impl (cond=<value optimized out>, entered_mutex=<value optimized out>, abs_time=<value optimized out>) at /build/buildd/glib2.0-2.29.8/./gthread/gthread-posix.c:242
        result = <value optimized out>
        end_time = {tv_sec = 1309545532, tv_nsec = 934539000}
        timed_out = <value optimized out>
        __PRETTY_FUNCTION__ = "g_cond_timed_wait_posix_impl"
#2  0x00007fc2078abd7f in g_async_queue_pop_intern_unlocked (queue=0x6973a0, try=0, end_time=0x7fc1fbffec10) at /build/buildd/glib2.0-2.29.8/./glib/gasyncqueue.c:415
        retval = <value optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_pop_intern_unlocked"
#3  0x00007fc2078ac5d1 in g_async_queue_timed_pop (queue=0x6973a0, end_time=<value optimized out>) at /build/buildd/glib2.0-2.29.8/./glib/gasyncqueue.c:536
        retval = <value optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_timed_pop"
#4  0x00007fc2078fe697 in g_thread_pool_wait_for_new_pool (data=<value optimized out>) at /build/buildd/glib2.0-2.29.8/./glib/gthreadpool.c:175
        end_time = {tv_sec = 1309545532, tv_usec = 934539}
        pool = <value optimized out>
        local_max_idle_time = 15000
        local_wakeup_thread_serial = <value optimized out>
        local_max_unused_threads = 2
        last_wakeup_thread_serial = 0
        have_relayed_thread_marker = 0
#5  g_thread_pool_thread_proxy (data=<value optimized out>) at /build/buildd/glib2.0-2.29.8/./glib/gthreadpool.c:378
        free_pool = <value optimized out>
        task = 0x2
        pool = <value optimized out>
#6  0x00007fc2078fc256 in g_thread_create_proxy (data=0x7fc1fc0015a0) at /build/buildd/glib2.0-2.29.8/./glib/gthread.c:1954
        thread = 0x7fc1fc0015a0
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#7  0x00007fc20872fd8c in start_thread (arg=0x7fc1fbfff700) at pthread_create.c:304
        pd = 0x7fc1fbfff700
        now = <value optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140471133271808, 3771651981150276027, 140735513944960, 140471133272512, 0, 3, -3759258285631583813, -3759509962653939269}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        robust = <value optimized out>
        sp = <value optimized out>
        freesize = <value optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007fc2075d31bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:73
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (Thread 1178):
#0  0x00007fc2075c6073 in __poll (fds=0x6a96a0, nfds=5, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:69
        oldtype = <value optimized out>
        result = <value optimized out>
#1  0x00000000006a96a0 in ?? ()
No symbol table info available.
#2  0x00000000ffffffff in ?? ()
No symbol table info available.
#3  0x0000000000000005 in ?? ()
No symbol table info available.
#4  0x00000000006a96a0 in ?? ()
No symbol table info available.
#5  0x0000000000000001 in ?? ()
No symbol table info available.
#6  0x00007fc2078d6d68 in g_main_context_poll (context=0x6af0b0, block=<value optimized out>, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.29.8/./glib/gmain.c:3441
        poll_func = 0x7fc2078e5540 <g_poll>
#7  g_main_context_iterate (context=0x6af0b0, block=<value optimized out>, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.29.8/./glib/gmain.c:3123
        max_priority = 2147483647
        timeout = -1
        some_ready = <value optimized out>
        nfds = 5
        allocated_nfds = <value optimized out>
        fds = 0x6a96a0
#8  0x00007fc2078d7592 in g_main_loop_run (loop=0x6af220) at /build/buildd/glib2.0-2.29.8/./glib/gmain.c:3336
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#9  0x00007fc20829c6f6 in gdbus_shared_thread_func (user_data=0x6af080) at /build/buildd/glib2.0-2.29.8/./gio/gdbusprivate.c:276
        data = 0x6af080
#10 0x00007fc2078fc256 in g_thread_create_proxy (data=0x6af240) at /build/buildd/glib2.0-2.29.8/./glib/gthread.c:1954
        thread = 0x6af240
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#11 0x00007fc20872fd8c in start_thread (arg=0x7fc1fb1d2700) at pthread_create.c:304
        pd = 0x7fc1fb1d2700
        now = <value optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140471118407424, 3771651981150276027, 140471209736640, 140471118408128, 0, 3, -3759257449723573829, -3759509962653939269}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        robust = <value optimized out>
        sp = <value optimized out>
        freesize = <value optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#12 0x00007fc2075d31bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:73
No locals.
#13 0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 1179):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
No locals.
#1  0x00007fc20371d53f in _xcb_conn_wait (c=0x675ca0, cond=<value optimized out>, vector=0x0, count=0x0) at ../../src/xcb_conn.c:281
        ret = <value optimized out>
        fd = {fd = 0, events = 0, revents = 0}
#2  0x00007fc20371eaaf in xcb_wait_for_reply (c=0x675ca0, request=619, e=0x7fc1fa5b6c18) at ../../src/xcb_in.c:378
        cond = {__data = {__lock = 0, __futex = 2, __total_seq = 1, __wakeup_seq = 1, __woken_seq = 0, __mutex = 0x675cb8, __nwaiters = 2, __broadcast_seq = 0}, __size = "\000\000\000\000\002\000\000\000\001\000\000\000\000\000\000\000\001", '\000' <repeats 15 times>"\270, \\g\000\000\000\000\000\002\000\000\000\000\000\000", __align = 8589934592}
        reader = {request = 619, data = 0x7fc1fa5b6b70, next = 0x0}
        prev_reader = <value optimized out>
        widened_request = <value optimized out>
        ret = 0x0
#3  0x00007fc206d629ad in _XReply (dpy=0x674a50, rep=0x7fc1fa5b6c60, extra=2, discard=0) at ../../src/xcb_io.c:541
        req = 0x803920
        response = <value optimized out>
        error = 0x0
        c = 0x675ca0
        reply = <value optimized out>
        current = 0x803920
        __PRETTY_FUNCTION__ = "_XReply"
#4  0x00007fc206db3893 in _XkbHandleGetMapReply (dpy=0x674a50, xkb=0x7fc1fc00a800) at ../../../src/xkb/XKBGetMap.c:516
        rep = {type = 96 '`', deviceID = 88 'X', sequenceNumber = 1, length = 0, pad1 = 51104, minKeyCode = 0 '\000', maxKeyCode = 252 '\374', present = 32705, firstType = 0 '\000', nTypes = 0 '\000', totalTypes = 160 '\240', firstKeySym = 225 '\341', totalSyms = 1928, nKeySyms = 194 '\302', firstKeyAct = 127 '\177', totalActs = 0, nKeyActs = 180 '\264', firstKeyBehavior = 167 '\247', nKeyBehaviors = 86 'V', totalKeyBehaviors = 7 '\a', firstKeyExplicit = 194 '\302', nKeyExplicit = 127 '\177', totalKeyExplicit = 0 '\000', firstModMapKey = 0 '\000', nModMapKeys = 160 '\240', totalModMapKeys = 214 '\326', firstVModMapKey = 127 '\177', nVModMapKeys = 0 '\000', totalVModMapKeys = 0 '\000', pad2 = 0 '\000', virtualMods = 0}
#5  0x00007fc206db395e in XkbGetUpdatedMap (dpy=0x674a50, which=255, xkb=0x7fc1fc00a800) at ../../../src/xkb/XKBGetMap.c:538
        req = <value optimized out>
        status = <value optimized out>
#6  0x00007fc206db3a3d in XkbGetMap (dpy=0x674a50, which=255, deviceSpec=256) at ../../../src/xkb/XKBGetMap.c:557
        xkb = 0x7fc1fc00a800
#7  0x00007fc1f34f85ba in get_xkb_desc_rec (manager=<value optimized out>) at gsd-a11y-keyboard-manager.c:144
        desc = <value optimized out>
        status = 0
#8  0x00007fc1f34f86e0 in set_server_from_gsettings (manager=0x7fc1f40033c0) at gsd-a11y-keyboard-manager.c:236
        desc = <value optimized out>
        enable_accessX = <value optimized out>
        settings = <value optimized out>
#9  0x00007fc1f34f8c7c in keyboard_callback (settings=<value optimized out>, key=<value optimized out>, manager=0x7fc1f40033c0) at gsd-a11y-keyboard-manager.c:953
No locals.
#10 0x00007fc207f98d54 in g_closure_invoke (closure=0x7fc1f400d710, return_value=0x0, n_param_values=2, param_values=0x7f9440, invocation_hint=<value optimized out>) at /build/buildd/glib2.0-2.29.8/./gobject/gclosure.c:771
        marshal = 0x7fc207fb5630 <g_cclosure_marshal_VOID__STRING>
        marshal_data = <value optimized out>
        in_marshal = <value optimized out>
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#11 0x00007fc207faabbb in signal_emit_unlocked_R (node=<value optimized out>, detail=1444, instance=0x7aea80, emission_return=0x0, instance_and_params=0x7f9440) at /build/buildd/glib2.0-2.29.8/./gobject/gsignal.c:3256
        tmp = <value optimized out>
        handler = 0x7fc1f40130f0
        accumulator = 0x0
        emission = {next = 0x7fc1fa5b7320, instance = 0x7aea80, ihint = {signal_id = 18, detail = 1444, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0x7fc1fc001300
        hlist = 0x7fc208733d70
        handler_list = 0x7fc1f40130f0
        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 = 18
        max_sequential_handler_number = 247
        return_value_altered = 0
#12 0x00007fc207fb41c7 in g_signal_emit_valist (instance=<value optimized out>, signal_id=<value optimized out>, detail=<value optimized out>, var_args=0x7fc1fa5b7098) at /build/buildd/glib2.0-2.29.8/./gobject/gsignal.c:2987
        instance_and_params = 0x7f9440
        signal_return_type = 4
        param_values = 0x7f9458
        node = 0x7fc1fc001ff0
        i = <value optimized out>
        n_params = 1
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#13 0x00007fc207fb4392 in g_signal_emit (instance=<value optimized out>, signal_id=<value optimized out>, detail=<value optimized out>) at /build/buildd/glib2.0-2.29.8/./gobject/gsignal.c:3044
        var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fc1fa5b7170, reg_save_area = 0x7fc1fa5b70b0}}
#14 0x00007fc208279f21 in g_settings_real_change_event (settings=0x7aea80, keys=<value optimized out>, n_keys=20) at /build/buildd/glib2.0-2.29.8/./gio/gsettings.c:279
        i = <value optimized out>
#15 0x00007fc2082b91b0 in _gio_marshal_BOOLEAN__POINTER_INT (closure=<value optimized out>, return_value=0x7fc1fa5b7370, n_param_values=<value optimized out>, param_values=0x6b1e30, invocation_hint=<value optimized out>, marshal_data=<value optimized out>) at /build/buildd/glib2.0-2.29.8/./gio/gio-marshal.c:357
        callback = 0x7fc208279ed0 <g_settings_real_change_event>
        cc = <value optimized out>
        data1 = 0x7aea80
        data2 = 0x7fc1fc001d70
        v_return = <value optimized out>
        __PRETTY_FUNCTION__ = "_gio_marshal_BOOLEAN__POINTER_INT"
#16 0x00007fc207f98d54 in g_closure_invoke (closure=0x695d70, return_value=0x7fc1fa5b7370, n_param_values=3, param_values=0x6b1e30, invocation_hint=<value optimized out>) at /build/buildd/glib2.0-2.29.8/./gobject/gclosure.c:771
        marshal = 0x7fc207f975f0 <g_type_class_meta_marshal>
        marshal_data = <value optimized out>
        in_marshal = <value optimized out>
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#17 0x00007fc207faa9f4 in signal_emit_unlocked_R (node=<value optimized out>, detail=0, instance=0x7aea80, emission_return=0x7fc1fa5b74b0, instance_and_params=0x6b1e30) at /build/buildd/glib2.0-2.29.8/./gobject/gsignal.c:3294
        accumulator = 0x69dec0
        emission = {next = 0x0, instance = 0x7aea80, ihint = {signal_id = 19, detail = 0, run_type = G_SIGNAL_RUN_LAST}, state = EMISSION_RUN, chain_type = 140471133281648}
        class_closure = 0x695d70
        hlist = 0x7fc1f400c668
        handler_list = 0x0
        return_accu = 0x7fc1fa5b7370
        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}}}
        signal_id = 19
        max_sequential_handler_number = 247
        return_value_altered = 0
#18 0x00007fc207fb4056 in g_signal_emit_valist (instance=<value optimized out>, signal_id=<value optimized out>, detail=<value optimized out>, var_args=0x7fc1fa5b7518) at /build/buildd/glib2.0-2.29.8/./gobject/gsignal.c:2997
        return_value = {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}}}
        error = 0x0
        rtype = 20
        static_scope = 0
        instance_and_params = 0x6b1e30
        signal_return_type = 20
        param_values = 0x6b1e48
        node = 0x69c2a0
        i = <value optimized out>
        n_params = 2
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#19 0x00007fc207fb4392 in g_signal_emit (instance=<value optimized out>, signal_id=<value optimized out>, detail=<value optimized out>) at /build/buildd/glib2.0-2.29.8/./gobject/gsignal.c:3044
        var_args = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 0x7fc1fa5b75f0, reg_save_area = 0x7fc1fa5b7530}}
#20 0x00007fc20827ac07 in settings_backend_keys_changed (target=<value optimized out>, backend=<value optimized out>, path=<value optimized out>, items=<value optimized out>, origin_tag=<value optimized out>) at /build/buildd/glib2.0-2.29.8/./gio/gsettings.c:389
        quarks = {1444, 1443, 1164, 1442, 1161, 1163, 1446, 1165, 1447, 1445, 1449, 1448, 1450, 1451, 1166, 1167, 1453, 1452, 1162, 1168, 137234288, 32706, 123114270, 32706, 45, 0, 4200298144, 32705, 4227880224, 32705, 161, 0, 4200298488, 32705, 162, 0, 4200298568, 32705, 4227880224, 32705, 137234288, 32706, 123645552, 32706, 4222451712, 0, 4227899024, 32705, 4227899125, 32705, 4227899024, 32705, 4227899024, 32705, 4227899185, 32705, 4227899324, 32705, 4227899024, 32705, 4227899324, 32705, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 479452909, 4, 150659004, 32706, 0, 0, 0, 0, 5, 32705, 0, 0, 1, 32705, 150655988, 32706, 127292368, 32706, 4200298480, 32705, 4294967295, 0, 4, 0, 90, 0, 7420512, 0, 3946015835, 0, 150658635, 32706, 82, 1, 61656497, 0, 27, 32706, 4200298880, 32705, 136174836, 32706, 136178752, 32706, 4227887520, 32705, 136207816, 32706, 172, 0, 137234288, 32706, 2, 0, 126828493, 32706, 0, 0, 0, 0, 152765664, 32706, 4217336858, 32705, 136231288, 32706, 4217334560, 32705, 0, 5, 1211, 1, 4227880112, 32705, 6885928, 0, 4200298944, 32705, 0, 0, 4200298976, 32705, 6885072, 0, 3946015835, 0, 150659004, 32706, 0, 0, 0, 0, 5, 32705, 0, 0, 1, 32706, 6885072, 0, 1156, 0, 129497096, 32706, 129497120, 32706, 172, 0, 4093722352, 32705, 4227858464, 32705, 8405312, 0, 56, 0, 20, 0, 160, 0, 0, 0, 123114270, 32706, 4093722352, 32705, 4227880112, 32705...}
        j = <value optimized out>
        l = 20
        settings = 0x7aea80
        ignore_this = 32705
        i = <value optimized out>
        __PRETTY_FUNCTION__ = "settings_backend_keys_changed"
#21 0x00007fc208277a6b in g_settings_backend_changed_tree (backend=0x6a2010, tree=<value optimized out>, origin_tag=0x0) at /build/buildd/glib2.0-2.29.8/./gio/gsettingsbackend.c:701
        watch = 0x6a4a20
        keys = 0x7fc1fc00c340
        path = 0x7fc1fc00a0f0 "/org/gnome/desktop/a11y/keyboard/"
        __PRETTY_FUNCTION__ = "g_settings_backend_changed_tree"
#22 0x00007fc1fb5fb72c in dconf_settings_backend_outstanding_returned (source=<value optimized out>, result=0x7fc1fc008a40, user_data=0x7e2aa0) at dconfsettingsbackend.c:276
        outstanding = 0x7e2aa0
        dcsb = 0x6a2010
        reply = 0x7f0830
#23 0x00007fc208246661 in g_simple_async_result_complete (simple=0x7fc1fc008a40) at /build/buildd/glib2.0-2.29.8/./gio/gsimpleasyncresult.c:749
        current_source = <value optimized out>
        current_context = <value optimized out>
        __PRETTY_FUNCTION__ = "g_simple_async_result_complete"
#24 0x00007fc20828e354 in g_dbus_connection_call_done (source=<value optimized out>, result=<value optimized out>, user_data=0x6c5680) at /build/buildd/glib2.0-2.29.8/./gio/gdbusconnection.c:5017
        connection = <value optimized out>
        state = 0x6c5680
        error = 0x6a85b0
        reply = 0x6b20a0
        value = <value optimized out>
#25 0x00007fc208246661 in g_simple_async_result_complete (simple=0x6b14c0) at /build/buildd/glib2.0-2.29.8/./gio/gsimpleasyncresult.c:749
        current_source = <value optimized out>
        current_context = <value optimized out>
        __PRETTY_FUNCTION__ = "g_simple_async_result_complete"
#26 0x00007fc20824679c in complete_in_idle_cb (data=0x6b14c0) at /build/buildd/glib2.0-2.29.8/./gio/gsimpleasyncresult.c:761
        simple = <value optimized out>
#27 0x00007fc2078d685d in g_main_dispatch (context=0x6a1bb0) at /build/buildd/glib2.0-2.29.8/./glib/gmain.c:2477
        dispatch = 0x7fc2078d2810 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0x6b14c0
        callback = 0x7fc208246780 <complete_in_idle_cb>
        cb_funcs = 0x7fc207b7f650
        cb_data = 0x7fc1f4013ea0
        current_source_link = {data = 0x7fc1f4014070, next = 0x0}
        need_destroy = <value optimized out>
        source = 0x7fc1f4014070
        current = 0x7fc1fc005d80
        i = <value optimized out>
#28 g_main_context_dispatch (context=0x6a1bb0) at /build/buildd/glib2.0-2.29.8/./glib/gmain.c:3050
No locals.
#29 0x00007fc2078d7058 in g_main_context_iterate (context=0x6a1bb0, block=<value optimized out>, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.29.8/./glib/gmain.c:3128
        max_priority = 2147483647
        timeout = 120000
        some_ready = 1
        nfds = 1
        allocated_nfds = <value optimized out>
        fds = <value optimized out>
#30 0x00007fc2078d7592 in g_main_loop_run (loop=0x69e7b0) at /build/buildd/glib2.0-2.29.8/./glib/gmain.c:3336
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#31 0x00007fc1fb5faa0b in dconf_context_thread (data=<value optimized out>) at dconfcontext.c:11
        context = 0x6a1bb0
        loop = <value optimized out>
        __PRETTY_FUNCTION__ = "dconf_context_thread"
#32 0x00007fc2078fc256 in g_thread_create_proxy (data=0x6a1ca0) at /build/buildd/glib2.0-2.29.8/./glib/gthread.c:1954
        thread = 0x6a1ca0
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#33 0x00007fc20872fd8c in start_thread (arg=0x7fc1fa5b8700) at pthread_create.c:304
        pd = 0x7fc1fa5b8700
        now = <value optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140471105718016, 3771651981150276027, 140735513944288, 140471105718720, 0, 3, -3759259080737404485, -3759509962653939269}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        robust = <value optimized out>
        sp = <value optimized out>
        freesize = <value optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#34 0x00007fc2075d31bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:73
No locals.
#35 0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 1173):
#0  0x00007fc207520c45 in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = 0
        pid = <value optimized out>
        selftid = 1173
#1  0x00007fc2075249f6 in abort () at abort.c:92
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0xdd, sa_sigaction = 0xdd}, sa_mask = {__val = {140471324444910, 140471315554120, 140471324436794, 140735513944848, 140471323408306, 206158430232, 140735513944864, 140735513944640, 140471323319492, 206158430256, 140735513944888, 8699680, 176144, 8403328, 7310874250628181369, 140735513947120}}, sa_flags = 124053818, sa_restorer = 0x7fc206dd5b8b}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007fc207519705 in __assert_fail (assertion=0x7fc206dd5e08 "(((long) (event_sequence) - (long) (dpy->request)) <= 0)", file=<value optimized out>, line=221, function=<value optimized out>) at assert.c:81
        buf = 0x84bf20 "gnome-settings-daemon: ../../src/xcb_io.c:221: poll_for_event: Assertion `(((long) (event_sequence) - (long) (dpy->request)) <= 0)' failed.\n"
#3  0x00007fc206d61fe1 in poll_for_event (dpy=0x674a50) at ../../src/xcb_io.c:221
        req = <value optimized out>
        event = <value optimized out>
        event_sequence = <value optimized out>
        __PRETTY_FUNCTION__ = "poll_for_event"
#4  0x00007fc206d62071 in poll_for_response (dpy=0x674a50) at ../../src/xcb_io.c:235
        response = 0x0
        error = 0x0
        req = <value optimized out>
        __PRETTY_FUNCTION__ = "poll_for_response"
#5  0x00007fc206d626fd in _XEventsQueued (dpy=0x674a50, mode=<value optimized out>) at ../../src/xcb_io.c:304
        response = <value optimized out>
#6  0x00007fc206d531fd in XPending (dpy=0x674a50) at ../../src/Pending.c:55
        ret_val = <value optimized out>
#7  0x00007fc2072b356a in gdk_event_source_prepare (source=<value optimized out>, timeout=<value optimized out>) at /build/buildd/gtk+3.0-3.1.6/./gdk/x11/gdkeventsource.c:282
        display = 0x681000
        retval = <value optimized out>
#8  0x00007fc2078d5df2 in g_main_context_prepare (context=0x690300, priority=0x7fff8a50e4c8) at /build/buildd/glib2.0-2.29.8/./glib/gmain.c:2798
        result = <value optimized out>
        prepare = <value optimized out>
        source_timeout = -1
        i = <value optimized out>
        n_ready = <value optimized out>
        current_priority = <value optimized out>
        source = 0x6732c0
#9  0x00007fc2078d6bfd in g_main_context_iterate (context=0x690300, block=1, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.29.8/./glib/gmain.c:3108
        max_priority = <value optimized out>
        timeout = <value optimized out>
        some_ready = <value optimized out>
        nfds = <value optimized out>
        allocated_nfds = 8
        fds = 0x7afc40
#10 0x00007fc2078d7592 in g_main_loop_run (loop=0x6f8b00) at /build/buildd/glib2.0-2.29.8/./glib/gmain.c:3336
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#11 0x00007fc208aabdcd in gtk_main () at /build/buildd/gtk+3.0-3.1.6/./gtk/gtkmain.c:1363
        loop = 0x6f8b00
#12 0x00000000004036a2 in main (argc=1, argv=0x7fff8a50e668) at main.c:399
        res = <value optimized out>
        error = 0x0