.
Thread 4 (Thread 0x7f0cf6048700 (LWP 21728)):
#0  0x00007f0cfec1abf9 in __GI___poll (fds=0x562bb419f3c0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f0cff722439 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x562bb419f3c0, timeout=<optimized out>, context=0x562bb4121340) at ../../../../glib/gmain.c:4204
        ret = <optimized out>
        errsv = <optimized out>
        poll_func = 0x7f0cff731c80 <g_poll>
        poll_func = <optimized out>
        ret = <optimized out>
        errsv = <optimized out>
#2  g_main_context_iterate (context=context@entry=0x562bb4121340, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3898
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x562bb419f3c0
#3  0x00007f0cff72254c in g_main_context_iteration (context=context@entry=0x562bb4121340, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3964
        retval = <optimized out>
#4  0x00007f0cf605036d in dconf_gdbus_worker_thread (user_data=0x562bb4121340) at dconf-gdbus-thread.c:82
        context = 0x562bb4121340
#5  0x00007f0cff749e05 in g_thread_proxy (data=0x562bb4160050) at ../../../../glib/gthread.c:784
        thread = 0x562bb4160050
        _g_boolean_var_ = <optimized out>
#6  0x00007f0cfeefe6db in start_thread (arg=0x7f0cf6048700) at pthread_create.c:463
        pd = 0x7f0cf6048700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693643826944, -2893870457428418763, 139693643824256, 0, 94745704923216, 140731370135776, 3012631272581979957, 3012650836867112757}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#7  0x00007f0cfec2788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 3 (Thread 0x7f0cf7257700 (LWP 21725)):
#0  0x00007f0cfec1abf9 in __GI___poll (fds=0x562bb418beb0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f0cff722439 in g_main_context_poll (priority=<optimized out>, n_fds=2, fds=0x562bb418beb0, timeout=<optimized out>, context=0x562bb4194b40) at ../../../../glib/gmain.c:4204
        ret = <optimized out>
        errsv = <optimized out>
        poll_func = 0x7f0cff731c80 <g_poll>
        poll_func = <optimized out>
        ret = <optimized out>
        errsv = <optimized out>
#2  g_main_context_iterate (context=context@entry=0x562bb4194b40, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3898
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 2
        allocated_nfds = 2
        fds = 0x562bb418beb0
#3  0x00007f0cff72254c in g_main_context_iteration (context=0x562bb4194b40, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3964
        retval = <optimized out>
#4  0x00007f0cff722591 in glib_worker_main (data=<optimized out>) at ../../../../glib/gmain.c:5773
No locals.
#5  0x00007f0cff749e05 in g_thread_proxy (data=0x562bb41600a0) at ../../../../glib/gthread.c:784
        thread = 0x562bb41600a0
        _g_boolean_var_ = <optimized out>
#6  0x00007f0cfeefe6db in start_thread (arg=0x7f0cf7257700) at pthread_create.c:463
        pd = 0x7f0cf7257700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693662762752, -2893870457428418763, 139693662760064, 0, 94745704923296, 140731370137520, 3012633738430078773, 3012650836867112757}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#7  0x00007f0cfec2788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 2 (Thread 0x7f0cf6a56700 (LWP 21727)):
#0  0x00007f0cfec1abf9 in __GI___poll (fds=0x562bb41e7410, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f0cff722439 in g_main_context_poll (priority=<optimized out>, n_fds=2, fds=0x562bb41e7410, timeout=<optimized out>, context=0x562bb411e0b0) at ../../../../glib/gmain.c:4204
        ret = <optimized out>
        errsv = <optimized out>
        poll_func = 0x7f0cff731c80 <g_poll>
        poll_func = <optimized out>
        ret = <optimized out>
        errsv = <optimized out>
#2  g_main_context_iterate (context=0x562bb411e0b0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3898
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 2
        allocated_nfds = 3
        fds = 0x562bb41e7410
#3  0x00007f0cff7227d2 in g_main_loop_run (loop=0x562bb411e380) at ../../../../glib/gmain.c:4099
        self = <optimized out>
        __func__ = "g_main_loop_run"
#4  0x00007f0cffd0ee16 in gdbus_shared_thread_func (user_data=0x562bb417b4c0) at ../../../../gio/gdbusprivate.c:275
        data = 0x562bb417b4c0
#5  0x00007f0cff749e05 in g_thread_proxy (data=0x562bb415e770) at ../../../../glib/gthread.c:784
        thread = 0x562bb415e770
        _g_boolean_var_ = <optimized out>
#6  0x00007f0cfeefe6db in start_thread (arg=0x7f0cf6a56700) at pthread_create.c:463
        pd = 0x7f0cf6a56700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693654370048, -2893870457428418763, 139693654367360, 0, 94745704916848, 140731370137904, 3012632637307838261, 3012650836867112757}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#7  0x00007f0cfec2788f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 1 (Thread 0x7f0d0177ba80 (LWP 21721)):
#0  0x00007f0d00eb5267 in propagate_event (widget=widget@entry=0x562bb43a63c0, event=0x562b00000000, captured=captured@entry=0, topmost=topmost@entry=0x0) at ../../../../gtk/gtkmain.c:2658
        handled_event = 0
        propagate_func = <optimized out>
#1  0x00007f0d00eb6c4c in gtk_propagate_event (widget=widget@entry=0x562bb43a63c0, event=<optimized out>) at ../../../../gtk/gtkmain.c:2729
        _g_boolean_var_ = <optimized out>
        __inst = <optimized out>
        __t = <optimized out>
        __r = <optimized out>
        _g_boolean_var_ = <optimized out>
#2  0x0000562bb20585bb in egg_tree_multi_drag_button_release_event (widget=widget@entry=0x562bb43a63c0, event=<optimized out>, data=<optimized out>) at eggtreemultidnd.c:204
        priv_data = <optimized out>
        l = 0x562bbcfabc50
#3  0x00007f0d00eb832b in _gtk_marshal_BOOLEAN__BOXED (closure=0x562bb49813c0, return_value=0x7ffe93536750, n_param_values=<optimized out>, param_values=0x7ffe935367b0, invocation_hint=<optimized out>, marshal_data=<optimized out>) at ../../../../gtk/gtkmarshalers.c:82
        cc = 0x562bb49813c0
        data1 = 0x562bb43a63c0
        data2 = <optimized out>
        callback = 0x562bb2058580 <egg_tree_multi_drag_button_release_event>
        v_return = <optimized out>
        __func__ = "_gtk_marshal_BOOLEAN__BOXED"
#4  0x00007f0cff9fbf6d in g_closure_invoke (closure=0x562bb49813c0, return_value=0x7ffe93536750, n_param_values=2, param_values=0x7ffe935367b0, invocation_hint=0x7ffe93536730) at ../../../../gobject/gclosure.c:804
        marshal = 0x7f0d00eb82c0 <_gtk_marshal_BOOLEAN__BOXED>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0x562bb49813a0
        __func__ = "g_closure_invoke"
#5  0x00007f0cffa0ed3e in signal_emit_unlocked_R (node=node@entry=0x562bb40bb3f0, detail=detail@entry=0, instance=instance@entry=0x562bb43a63c0, emission_return=emission_return@entry=0x7ffe935368d0, instance_and_params=instance_and_params@entry=0x7ffe935367b0) at ../../../../gobject/gsignal.c:3635
        tmp = <optimized out>
        handler = 0x562bb4217c40
        accumulator = 0x562bb40bb660
        emission = {next = 0x0, instance = 0x562bb43a63c0, ihint = {signal_id = 61, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = <optimized out>
        hlist = <optimized out>
        handler_list = 0x562bb4323d00
        return_accu = 0x7ffe93536750
        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 = 61
        max_sequential_handler_number = 125392
        return_value_altered = 1
#6  0x00007f0cffa16d8f in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7ffe93536980) at ../../../../gobject/gsignal.c:3401
        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 = 0x7ffe935367b0
        signal_return_type = <optimized out>
        param_values = 0x7ffe935367c8
        node = <optimized out>
        i = <optimized out>
        n_params = <optimized out>
        __func__ = "g_signal_emit_valist"
#7  0x00007f0cffa17e0f in g_signal_emit (instance=instance@entry=0x562bb43a63c0, signal_id=<optimized out>, detail=detail@entry=0) at ../../../../gobject/gsignal.c:3447
        var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7ffe93536a60, reg_save_area = 0x7ffe935369a0}}
#8  0x00007f0d00fffe94 in gtk_widget_event_internal (widget=widget@entry=0x562bb43a63c0, event=event@entry=0x562bb444f150) at ../../../../gtk/gtkwidget.c:7740
        signal_num = <optimized out>
        return_val = <optimized out>
        handled = 0
        __func__ = "gtk_widget_event_internal"
#9  0x00007f0d01001f0a in gtk_widget_event (widget=widget@entry=0x562bb43a63c0, event=event@entry=0x562bb444f150) at ../../../../gtk/gtkwidget.c:7310
        __func__ = "gtk_widget_event"
#10 0x00007f0d00eb539e in propagate_event_up (topmost=<optimized out>, event=<optimized out>, widget=0x562bb43a63c0) at ../../../../gtk/gtkmain.c:2592
        tmp = <optimized out>
        handled_event = <optimized out>
        handled_event = <optimized out>
        tmp = <optimized out>
#11 propagate_event (widget=<optimized out>, event=0x562bb444f150, captured=<optimized out>, topmost=0x0) at ../../../../gtk/gtkmain.c:2694
        handled_event = 0
        propagate_func = <optimized out>
#12 0x00007f0d00eb7478 in gtk_main_do_event (event=<optimized out>) at ../../../../gtk/gtkmain.c:1915
        window_group = <optimized out>
        device = <optimized out>
        tmp_list = <optimized out>
        event_widget = <optimized out>
        grab_widget = <optimized out>
        rewritten_event = <optimized out>
        tmp_list = <optimized out>
        __inst = <optimized out>
        window = <optimized out>
        __inst = <optimized out>
        __inst = <optimized out>
        window = <optimized out>
        __inst = <optimized out>
        event_widget = <optimized out>
        __t = <optimized out>
        __t = <optimized out>
        __t = <optimized out>
        __t = <optimized out>
        window_group = <optimized out>
        device = <optimized out>
        event = 0x562bb444f150
        topmost_widget = <optimized out>
        __r = <optimized out>
        __r = <optimized out>
        __r = <optimized out>
        mnemonics_visible = <optimized out>
        __r = <optimized out>
        event_widget = <optimized out>
        window_group = <optimized out>
        device = <optimized out>
        tmp_list = <optimized out>
        __inst = <optimized out>
        __t = <optimized out>
        __r = <optimized out>
        window = <optimized out>
        __inst = <optimized out>
        __t = <optimized out>
        __r = <optimized out>
        __inst = <optimized out>
        __t = <optimized out>
        __r = <optimized out>
        mnemonics_visible = <optimized out>
        window = <optimized out>
        __inst = <optimized out>
        __t = <optimized out>
        __r = <optimized out>
#13 0x00007f0d009c99a5 in _gdk_event_emit (event=event@entry=0x562bb444f150) at ../../../../gdk/gdkevents.c:73
No locals.
#14 0x00007f0d009fa2e2 in gdk_event_source_dispatch (source=source@entry=0x562bb40a8fa0, callback=<optimized out>, user_data=<optimized out>) at ../../../../../gdk/x11/gdkeventsource.c:367
        display = <optimized out>
        event = 0x562bb444f150
#15 0x00007f0cff722287 in g_main_dispatch (context=0x562bb40a9090) at ../../../../glib/gmain.c:3177
        dispatch = 0x7f0d009fa2c0 <gdk_event_source_dispatch>
        prev_source = 0x0
        was_in_call = 0
        user_data = 0x0
        callback = 0x0
        cb_funcs = <optimized out>
        cb_data = 0x0
        need_destroy = <optimized out>
        source = 0x562bb40a8fa0
        current = 0x562bb40e9950
        i = 0
        current = <optimized out>
        i = <optimized out>
        source = <optimized out>
        _g_boolean_var_ = <optimized out>
        was_in_call = <optimized out>
        user_data = <optimized out>
        callback = <optimized out>
        cb_funcs = <optimized out>
        cb_data = <optimized out>
        need_destroy = <optimized out>
        dispatch = <optimized out>
        prev_source = <optimized out>
        _g_boolean_var_ = <optimized out>
#16 g_main_context_dispatch (context=context@entry=0x562bb40a9090) at ../../../../glib/gmain.c:3830
No locals.
#17 0x00007f0cff7224c0 in g_main_context_iterate (context=context@entry=0x562bb40a9090, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../../../../glib/gmain.c:3903
        max_priority = 2147483647
        timeout = 16
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = 4
        fds = 0x562bb46ebbd0
#18 0x00007f0cff72254c in g_main_context_iteration (context=context@entry=0x562bb40a9090, may_block=may_block@entry=1) at ../../../../glib/gmain.c:3964
        retval = <optimized out>
#19 0x00007f0cffce2d0d in g_application_run (application=0x562bb40b2200, argc=<optimized out>, argv=<optimized out>) at ../../../../gio/gapplication.c:2470
        arguments = 0x562bb416ec50
        status = 0
        context = 0x562bb40a9090
        acquired_context = <optimized out>
        __func__ = "g_application_run"
#20 0x0000562bb204d0ce in main (argc=<optimized out>, argv=<optimized out>) at main.c:343
        context = <optimized out>
        error = 0x0
        app = 0x562bb40b2200
        client = <optimized out>
        status = <optimized out>