.
Thread 4 (Thread 0x7f23d1ac4700 (LWP 5043)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:215
No locals.
#1  0x00007f23e0d06785 in g_cond_wait_until (cond=0x19f15c8, mutex=<optimized out>, end_time=<optimized out>) at /build/buildd/glib2.0-2.31.18/./glib/gthread-posix.c:855
        ts = {tv_sec = 1282, tv_nsec = 785696000}
        status = <optimized out>
#2  0x00007f23e0ca1271 in g_async_queue_pop_intern_unlocked (queue=0x19f15c0, wait=1, end_time=1282785696) at /build/buildd/glib2.0-2.31.18/./glib/gasyncqueue.c:424
        retval = <optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_pop_intern_unlocked"
#3  0x00007f23e0ca188a in g_async_queue_timeout_pop (queue=0x19f15c0, timeout=15000000) at /build/buildd/glib2.0-2.31.18/./glib/gasyncqueue.c:545
        end_time = 1282785696
        retval = <optimized out>
#4  0x00007f23e0cecf54 in g_thread_pool_wait_for_new_pool () at /build/buildd/glib2.0-2.31.18/./glib/gthreadpool.c:169
        pool = <optimized out>
        local_max_idle_time = 15000
        local_wakeup_thread_serial = <optimized out>
        local_max_unused_threads = 2
        last_wakeup_thread_serial = 0
        have_relayed_thread_marker = 0
#5  g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.31.18/./glib/gthreadpool.c:366
        free_pool = <optimized out>
        task = 0x2
        pool = <optimized out>
#6  0x00007f23e0cec7d5 in g_thread_proxy (data=0x1a10a80) at /build/buildd/glib2.0-2.31.18/./glib/gthread.c:801
        thread = 0x1a10a80
#7  0x00007f23e0a6de9a in start_thread (arg=0x7f23d1ac4700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f23d1ac4700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 8895280292290040506, 140734535224544, 139791818312128, 0, 3, -8847953603032575302, -8847986645329571142}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007f23e079b74d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (Thread 0x7f23d3fff700 (LWP 5042)):
#0  0x00007f23e078fd93 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007f23e0ccb136 in g_main_context_poll (n_fds=1, fds=0x7f23c80010e0, timeout=-1, context=0x19d5ed0, priority=<optimized out>) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3412
        poll_func = 0x7f23e0cd8090 <g_poll>
#2  g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x19d5ed0, self=<optimized out>) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3113
        timeout = -1
        some_ready = <optimized out>
        fds = 0x7f23c80010e0
        max_priority = 2147483647
        nfds = 1
        allocated_nfds = <optimized out>
#3  g_main_context_iterate (context=0x19d5ed0, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3055
        some_ready = -939519776
#4  0x00007f23e0ccb59a in g_main_loop_run (loop=0x7f23c80010c0) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3312
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#5  0x00007f23d920275b in dconf_context_thread (data=0x19d5ed0) at dconfcontext.c:11
        context = 0x19d5ed0
        loop = <optimized out>
        __PRETTY_FUNCTION__ = "dconf_context_thread"
#6  0x00007f23e0cec7d5 in g_thread_proxy (data=0x19f40f0) at /build/buildd/glib2.0-2.31.18/./glib/gthread.c:801
        thread = 0x19f40f0
#7  0x00007f23e0a6de9a in start_thread (arg=0x7f23d3fff700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f23d3fff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 8895280292290040506, 140734535225600, 139791857351104, 0, 3, -8847948515106942278, -8847986645329571142}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007f23e079b74d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7f23daea9700 (LWP 5040)):
#0  0x00007f23e078fd93 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007f23e0ccb136 in g_main_context_poll (n_fds=5, fds=0x7f23d4008510, timeout=-1, context=0x19eac00, priority=<optimized out>) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3412
        poll_func = 0x7f23e0cd8090 <g_poll>
#2  g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x19eac00, self=<optimized out>) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3113
        timeout = -1
        some_ready = <optimized out>
        fds = 0x7f23d4008510
        max_priority = 2147483647
        nfds = 5
        allocated_nfds = <optimized out>
#3  g_main_context_iterate (context=0x19eac00, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3055
        some_ready = -738163440
#4  0x00007f23e0ccb59a in g_main_loop_run (loop=0x19eabb0) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3312
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#5  0x00007f23e1297446 in gdbus_shared_thread_func (user_data=0x19eabd0) at /build/buildd/glib2.0-2.31.18/./gio/gdbusprivate.c:276
        data = 0x19eabd0
#6  0x00007f23e0cec7d5 in g_thread_proxy (data=0x19e9680) at /build/buildd/glib2.0-2.31.18/./glib/gthread.c:801
        thread = 0x19e9680
#7  0x00007f23e0a6de9a in start_thread (arg=0x7f23daea9700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f23daea9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 8895280292290040506, 140734535226560, 139791973390784, 0, 3, -8847928815165697350, -8847986645329571142}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007f23e079b74d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7f23e240c940 (LWP 5038)):
#0  0x00007f23c612924c in cond_setting_changed (settings=0x1bbec50, key=0x1a61aa7 "toolkit-accessibility", gtk=0x1bb9d40) at gsd-xsettings-gtk.c:82
        enabled = <optimized out>
        module_name = 0x1bc42d0 "gail:atk-bridge"
#1  0x00007f23e0f863c4 in g_closure_invoke (closure=0x1b74370, return_value=0x0, n_param_values=2, param_values=0x7f23d40062a0, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.31.18/./gobject/gclosure.c:774
        marshal = 0x7f23e0f88230 <g_cclosure_marshal_VOID__STRING>
        marshal_data = <optimized out>
        in_marshal = <optimized out>
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#2  0x00007f23e0f965f5 in signal_emit_unlocked_R (node=<optimized out>, detail=1247, instance=<optimized out>, emission_return=0x0, instance_and_params=0x7f23d40062a0) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3302
        tmp = <optimized out>
        handler = 0x1b39490
        accumulator = 0x0
        emission = {next = 0x7fff4ffad250, instance = 0x1bbec50, ihint = {signal_id = 138, detail = 1247, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0x19ee140
        hlist = 0x1b76148
        handler_list = 0x1b39490
        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 = 138
        max_sequential_handler_number = 149
        return_value_altered = 0
#3  0x00007f23e0f9dfcb in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=0x7fff4ffacdc8) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3033
        instance_and_params = 0x7f23d40062a0
        signal_return_type = 4
        param_values = 0x7f23d40062b8
        node = 0x19f4d60
        i = <optimized out>
        n_params = 1
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#4  0x00007f23e0f9e192 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3090
        var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fff4ffacea0, reg_save_area = 0x7fff4ffacde0}}
#5  0x00007f23e1274fb1 in g_settings_real_change_event (settings=0x1bbec50, keys=<optimized out>, n_keys=36) at /build/buildd/glib2.0-2.31.18/./gio/gsettings.c:274
        i = <optimized out>
#6  0x00007f23dd7a6a14 in ffi_call_unix64 () at ../src/x86/unix64.S:75
No locals.
#7  0x00007f23dd7a6435 in ffi_call (cif=0x7fff4ffad0b0, fn=0x7f23e1274f60 <g_settings_real_change_event>, rvalue=<optimized out>, avalue=<optimized out>) at ../src/x86/ffi64.c:486
        classes = {X86_64_INTEGER_CLASS, 32767, 16, X86_64_NO_CLASS}
        stack = 0x7fff4fface30 "$"
        argp = 0x7fff4ffacee0 "\n"
        arg_types = <optimized out>
        gprcount = 4
        ssecount = <optimized out>
        ngpr = 1
        nsse = 0
        i = <optimized out>
        avn = <optimized out>
        ret_in_memory = <optimized out>
        reg_args = 0x7fff4fface30
#8  0x00007f23e0f868eb in g_cclosure_marshal_generic (closure=0x19f4de0, return_gvalue=0x7fff4ffad2a0, n_param_values=3, param_values=<optimized out>, invocation_hint=<optimized out>, marshal_data=0x7f23e1274f60) at /build/buildd/glib2.0-2.31.18/./gobject/gclosure.c:1189
        rtype = 0x7f23dd7a6d80
        rvalue = 0x7fff4ffad030
        n_args = 4
        atypes = 0x7fff4ffad000
        args = 0x7fff4ffacfd0
        i = <optimized out>
        cif = {abi = FFI_UNIX64, nargs = 4, arg_types = 0x7fff4ffad000, rtype = 0x7f23dd7a6d80, bytes = 0, flags = 10}
        cc = 0x19f4de0
        enum_tmpval = 0x7fff4ffad050
        tmpval_used = 0
#9  0x00007f23e0f863c4 in g_closure_invoke (closure=0x19f4de0, return_value=0x7fff4ffad2a0, n_param_values=3, param_values=0x7f23cc003720, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.31.18/./gobject/gclosure.c:774
        marshal = 0x7f23e0f84c60 <g_type_class_meta_marshal>
        marshal_data = <optimized out>
        in_marshal = <optimized out>
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#10 0x00007f23e0f96bda in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=<optimized out>, emission_return=0x7fff4ffad3e0, instance_and_params=0x7f23cc003720) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3340
        accumulator = 0x19f1610
        emission = {next = 0x0, instance = 0x1bbec50, ihint = {signal_id = 139, detail = 0, run_type = G_SIGNAL_RUN_LAST}, state = EMISSION_RUN, chain_type = 27189328}
        class_closure = 0x19f4de0
        hlist = 0x1b76148
        handler_list = 0x0
        return_accu = 0x7fff4ffad2a0
        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 = 139
        max_sequential_handler_number = 149
        return_value_altered = 0
#11 0x00007f23e0f9dead in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=0x7fff4ffad448) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3043
        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 = 0x7f23cc003720
        signal_return_type = 20
        param_values = 0x7f23cc003738
        node = 0x19f4e50
        i = <optimized out>
        n_params = 2
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#12 0x00007f23e0f9e192 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3090
        var_args = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 0x7fff4ffad520, reg_save_area = 0x7fff4ffad460}}
#13 0x00007f23e12757d7 in settings_backend_path_changed (target=<optimized out>, backend=<optimized out>, path=0x7f23c8015be0 "/org/gnome/desktop/interface/", origin_tag=<optimized out>) at /build/buildd/glib2.0-2.31.18/./gio/gsettings.c:343
        settings = 0x1bbec50
        ignore_this = 32547
#14 0x00007f23e127162a in g_settings_backend_invoke_closure (user_data=0x7f23c80184c0) at /build/buildd/glib2.0-2.31.18/./gio/gsettingsbackend.c:271
        closure = 0x7f23c80184c0
#15 0x00007f23e0ccadda in g_main_dispatch (context=0x19d48d0) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:2510
        dispatch = 0x7f23e0cc8a30 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0x7f23c80184c0
        callback = 0x7f23e1271610 <g_settings_backend_invoke_closure>
        cb_funcs = 0x7f23e0f759a0
        cb_data = 0x7f23c80180a0
        current_source_link = {data = 0x7f23c8016f90, next = 0x0}
        need_destroy = <optimized out>
        source = 0x7f23c8016f90
        current = 0x19ec170
        i = <optimized out>
#16 g_main_context_dispatch (context=0x19d48d0) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3047
No locals.
#17 0x00007f23e0ccb1a0 in g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x19d48d0, self=<optimized out>) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3118
        timeout = 0
        some_ready = 1
        fds = <optimized out>
        max_priority = 0
        nfds = 8
        allocated_nfds = <optimized out>
#18 g_main_context_iterate (context=0x19d48d0, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3055
        some_ready = 1
#19 0x00007f23e0ccb59a in g_main_loop_run (loop=0x19eef90) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3312
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#20 0x00007f23e16b284d in gtk_main () at /build/buildd/gtk+3.0-3.3.16/./gtk/gtkmain.c:1167
        loop = 0x19eef90
#21 0x00000000004037f4 in main (argc=1, argv=0x7fff4ffad788) at main.c:464
        res = <optimized out>
        error = 0x0