.
Thread 3 (Thread 0x7f644a12b700 (LWP 21667)):
#0  0x00007f646f820773 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  0x00007f646fd4c408 in g_main_context_poll (n_fds=1, fds=0x7f647370fc40, timeout=-1, context=0x7f647369a000, priority=<optimized out>) at /build/buildd/glib2.0-2.29.16/./glib/gmain.c:3399
        poll_func = 0x7f646fd5a9b0 <g_poll>
#2  g_main_context_iterate (context=0x7f647369a000, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.29.16/./glib/gmain.c:3081
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = <optimized out>
        fds = 0x7f647370fc40
#3  0x00007f646fd4cc32 in g_main_loop_run (loop=0x7f64735eb920) at /build/buildd/glib2.0-2.29.16/./glib/gmain.c:3294
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007f644a130c7b in dconf_context_thread (data=<optimized out>) at dconfcontext.c:11
        context = 0x7f647369a000
        loop = <optimized out>
        __PRETTY_FUNCTION__ = "dconf_context_thread"
#5  0x00007f646fd719a6 in g_thread_create_proxy (data=0x7f64735eb730) at /build/buildd/glib2.0-2.29.16/./glib/gthread.c:1962
        thread = 0x7f64735eb730
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#6  0x00007f646faf1edc in start_thread (arg=0x7f644a12b700) at pthread_create.c:304
        __res = <optimized out>
        pd = 0x7f644a12b700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -44719741280181563, 140736185900816, 140068716198336, 0, 3, 119780266367263429, 119839070439875269}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f646f82c89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7f6448eb4700 (LWP 21669)):
#0  0x00007f646f820773 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  0x00007f646fd4c408 in g_main_context_poll (n_fds=3, fds=0x7f647371f140, timeout=-1, context=0x7f647364e870, priority=<optimized out>) at /build/buildd/glib2.0-2.29.16/./glib/gmain.c:3399
        poll_func = 0x7f646fd5a9b0 <g_poll>
#2  g_main_context_iterate (context=0x7f647364e870, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.29.16/./glib/gmain.c:3081
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 3
        allocated_nfds = <optimized out>
        fds = 0x7f647371f140
#3  0x00007f646fd4cc32 in g_main_loop_run (loop=0x7f647375ddf0) at /build/buildd/glib2.0-2.29.16/./glib/gmain.c:3294
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007f647051bbd6 in gdbus_shared_thread_func (user_data=<optimized out>) at /build/buildd/glib2.0-2.29.16/./gio/gdbusprivate.c:276
        data = 0x7f647375dea0
#5  0x00007f646fd719a6 in g_thread_create_proxy (data=0x7f647364e960) at /build/buildd/glib2.0-2.29.16/./glib/gthread.c:1962
        thread = 0x7f647364e960
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#6  0x00007f646faf1edc in start_thread (arg=0x7f6448eb4700) at pthread_create.c:304
        __res = <optimized out>
        pd = 0x7f6448eb4700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -44719741280181563, 140068716193968, 140068696836544, 0, 3, 119783509604442821, 119839070439875269}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f646f82c89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7f6471ff3940 (LWP 21655)):
#0  __strcmp_ssse3 () at ../sysdeps/x86_64/multiarch/../strcmp.S:213
No locals.
#1  0x00007f646fd6c269 in g_str_equal (v1=<optimized out>, v2=<optimized out>) at /build/buildd/glib2.0-2.29.16/./glib/gstring.c:116
        string1 = <optimized out>
        string2 = <optimized out>
#2  0x00007f644971d54f in cc_region_panel_init (self=0x7f644401dd80) at cc-region-panel.c:120
        priv = 0x7f644401de90
        prefs_widget = <optimized out>
        desktop = 0x0
        error = 0x0
#3  0x00007f64702364b3 in g_type_create_instance (type=<optimized out>) at /build/buildd/glib2.0-2.29.16/./gobject/gtype.c:1885
        node = 0x7f6473699900
        instance = <optimized out>
        class = <optimized out>
        i = <optimized out>
        total_size = <optimized out>
#4  0x00007f64702159ac in g_object_constructor (type=<optimized out>, n_construct_properties=1, construct_params=0x7f6473862b70) at /build/buildd/glib2.0-2.29.16/./gobject/gobject.c:1629
        object = <optimized out>
#5  0x00007f64702182d4 in g_object_newv (object_type=<optimized out>, n_parameters=1, parameters=<optimized out>) at /build/buildd/glib2.0-2.29.16/./gobject/gobject.c:1493
        cparams = 0x7f6473862b70
        oparams = 0x7f647387a640
        nqueue = 0x0
        object = <optimized out>
        class = 0x7f647356c170
        unref_class = 0x7f647356c170
        slist = <optimized out>
        n_total_cparams = <optimized out>
        n_cparams = 1
        n_oparams = <optimized out>
        n_cvalues = <optimized out>
        cvalues = <optimized out>
        clist = <optimized out>
        newly_constructed = <optimized out>
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_object_newv"
#6  0x00007f6470219196 in g_object_new_valist (object_type=140069409757440, first_property_name=<optimized out>, var_args=0x7fffb25e1848) at /build/buildd/glib2.0-2.29.16/./gobject/gobject.c:1610
        class = 0x7f647356c170
        params = 0x7f64735fe800
        name = <optimized out>
        object = <optimized out>
        n_params = <optimized out>
        n_alloced_params = <optimized out>
        __PRETTY_FUNCTION__ = "g_object_new_valist"
#7  0x00007f64702194a4 in g_object_new (object_type=140069409757440, first_property_name=0x7f6472032e49 "shell") at /build/buildd/glib2.0-2.29.16/./gobject/gobject.c:1325
        object = <optimized out>
        var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fffb25e1930, reg_save_area = 0x7fffb25e1860}}
        __PRETTY_FUNCTION__ = "g_object_new"
#8  0x00007f6472030157 in activate_panel (gicon=0x7f64735f60c0, name=0x7f647357e3e0 "Keyboard layout", desktop_file=0x7f647388adb0 "/usr/share/applications/gnome-region-panel.desktop", id=0x7f64738337b0 "region", shell=0x7f64734db910) at gnome-control-center.c:155
        box = <optimized out>
        i = <optimized out>
        icon_name = 0x7f64734db910 " jUsd\177"
        panel = <optimized out>
        nat_height = <optimized out>
        priv = 0x7f64734db950
        panel_type = <optimized out>
        panels = <optimized out>
        l = <optimized out>
#9  _shell_set_active_panel_from_id (shell=0x7f6473660b20, start_id=0x7f64738337b0 "region", err=<optimized out>) at gnome-control-center.c:892
        iter = {stamp = -45160599, user_data = 0x7f64736ade30, user_data2 = 0x0, user_data3 = 0x0}
        iter_valid = <optimized out>
        name = 0x7f647357e3e0 "Keyboard layout"
        desktop = 0x7f647388adb0 "/usr/share/applications/gnome-region-panel.desktop"
        gicon = 0x7f64735f60c0
        priv = <optimized out>
#10 0x00007f647202f2d5 in item_activated_cb (view=<optimized out>, name=<optimized out>, id=0x7f64738337b0 "region", desktop_file=<optimized out>, shell=0x7f64734db910) at gnome-control-center.c:252
        err = 0x0
#11 0x00007f6470211ed4 in g_closure_invoke (closure=0x7f64736fe830, return_value=0x0, n_param_values=4, param_values=0x7f6473622180, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.29.16/./gobject/gclosure.c:773
        marshal = 0x7f6472032990 <cc_shell_marshal_VOID__STRING_STRING_STRING>
        marshal_data = <optimized out>
        in_marshal = <optimized out>
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#12 0x00007f647022517b in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=0x7f64736e40a0, emission_return=0x0, instance_and_params=0x7f6473622180) at /build/buildd/glib2.0-2.29.16/./gobject/gsignal.c:3271
        tmp = <optimized out>
        handler = 0x7f64736b1790
        accumulator = 0x0
        emission = {next = 0x7fffb25e2000, instance = 0x7f64736e40a0, ihint = {signal_id = 245, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0x0
        hlist = 0x7f646faf51b0
        handler_list = 0x7f64736b1790
        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 = 245
        max_sequential_handler_number = 2312
        return_value_altered = 0
#13 0x00007f647022e797 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=0x7fffb25e1d68) at /build/buildd/glib2.0-2.29.16/./gobject/gsignal.c:3002
        instance_and_params = 0x7f6473622180
        signal_return_type = 4
        param_values = 0x7f6473622198
        node = 0x7f64736ff8d0
        i = <optimized out>
        n_params = 3
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#14 0x00007f647022e962 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.29.16/./gobject/gsignal.c:3059
        var_args = {{gp_offset = 48, fp_offset = 48, overflow_arg_area = 0x7fffb25e1e40, reg_save_area = 0x7fffb25e1d80}}
#15 0x00007f6472032033 in iconview_item_activated_cb (icon_view=0x7f64736e40a0, path=0x7f647394cda0, cc_view=0x7f64736e40a0) at cc-shell-item-view.c:143
        model = 0x7f647358d8e0
        iter = {stamp = -1898677901, user_data = 0x7f64736ed020, user_data2 = 0x7f64737256e8, user_data3 = 0x0}
        name = 0x7f647382ebd0 "Keyboard layout"
        desktop_file = 0x7f64738c3c70 "/usr/share/applications/gnome-region-panel.desktop"
        id = 0x7f64735c5f20 "region"
#16 0x00007f6470211ed4 in g_closure_invoke (closure=0x7f64736ffa50, return_value=0x0, n_param_values=2, param_values=0x7f6444083400, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.29.16/./gobject/gclosure.c:773
        marshal = 0x7f6470213e20 <g_cclosure_marshal_VOID__BOXED>
        marshal_data = <optimized out>
        in_marshal = <optimized out>
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#17 0x00007f647022517b in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=0x7f64736e40a0, emission_return=0x0, instance_and_params=0x7f6444083400) at /build/buildd/glib2.0-2.29.16/./gobject/gsignal.c:3271
        tmp = <optimized out>
        handler = 0x7f64736ab780
        accumulator = 0x0
        emission = {next = 0x7fffb25e2470, instance = 0x7f64736e40a0, ihint = {signal_id = 237, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0x7f64734717f0
        hlist = 0x7f646faf51b0
        handler_list = 0x7f64736ab780
        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 = 237
        max_sequential_handler_number = 2312
        return_value_altered = 0
#18 0x00007f647022e797 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=0x7fffb25e21f8) at /build/buildd/glib2.0-2.29.16/./gobject/gsignal.c:3002
        instance_and_params = 0x7f6444083400
        signal_return_type = 4
        param_values = 0x7f6444083418
        node = 0x7f64736ab080
        i = <optimized out>
        n_params = 1
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#19 0x00007f647022e962 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.29.16/./gobject/gsignal.c:3059
        var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fffb25e22d0, reg_save_area = 0x7fffb25e2210}}
#20 0x00007f6472032101 in iconview_button_release_event_cb (cc_view=<optimized out>, widget=<optimized out>, event=<optimized out>) at cc-shell-item-view.c:111
        selection = 0x7f64735d7660
#21 iconview_button_release_event_cb (widget=<optimized out>, event=<optimized out>, cc_view=<optimized out>) at cc-shell-item-view.c:95
        priv = <optimized out>
#22 0x00007f64716d6c53 in _gtk_marshal_BOOLEAN__BOXED (closure=0x7f64736ffa80, return_value=0x7fffb25e24c0, n_param_values=<optimized out>, param_values=0x7f647399f350, invocation_hint=<optimized out>, marshal_data=<optimized out>) at /build/buildd/gtk+3.0-3.1.12/./gtk/gtkmarshalers.c:85
        callback = 0x7f6472032070 <iconview_button_release_event_cb>
        cc = 0x7f64736ffa80
        data1 = 0x7f64736e40a0
        data2 = 0x7f64736e40a0
        v_return = <optimized out>
        __PRETTY_FUNCTION__ = "_gtk_marshal_BOOLEAN__BOXED"
#23 0x00007f6470211ed4 in g_closure_invoke (closure=0x7f64736ffa80, return_value=0x7fffb25e24c0, n_param_values=2, param_values=0x7f647399f350, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.29.16/./gobject/gclosure.c:773
        marshal = 0x7f64716d6ba0 <_gtk_marshal_BOOLEAN__BOXED>
        marshal_data = <optimized out>
        in_marshal = <optimized out>
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#24 0x00007f647022517b in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=0x7f64736e40a0, emission_return=0x7fffb25e2600, instance_and_params=0x7f647399f350) at /build/buildd/glib2.0-2.29.16/./gobject/gsignal.c:3271
        tmp = <optimized out>
        handler = 0x7f64736ab840
        accumulator = 0x7f6473481270
        emission = {next = 0x0, instance = 0x7f64736e40a0, ihint = {signal_id = 29, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0x7f64734813a0
        hlist = 0x7f646faf51b0
        handler_list = 0x7f64736ab840
        return_accu = 0x7fffb25e24c0
        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 = 29
        max_sequential_handler_number = 2312
        return_value_altered = 0
#25 0x00007f647022e626 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=0x7fffb25e2668) at /build/buildd/glib2.0-2.29.16/./gobject/gsignal.c:3012
        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 = 0x7f647399f350
        signal_return_type = 20
        param_values = 0x7f647399f368
        node = 0x7f6473481410
        i = <optimized out>
        n_params = 1
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#26 0x00007f647022e962 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.29.16/./gobject/gsignal.c:3059
        var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fffb25e2740, reg_save_area = 0x7fffb25e2680}}
#27 0x00007f647181f089 in gtk_widget_event_internal (widget=0x7f64736e40a0, event=0x7f644401a890) at /build/buildd/gtk+3.0-3.1.12/./gtk/gtkwidget.c:6126
        signal_num = <optimized out>
        return_val = 0
#28 0x00007f64716d63fa in gtk_propagate_event (widget=0x7f64736e40a0, event=0x7f644401a890) at /build/buildd/gtk+3.0-3.1.12/./gtk/gtkmain.c:2624
        tmp = <optimized out>
        handled_event = <optimized out>
        __PRETTY_FUNCTION__ = "gtk_propagate_event"
#29 0x00007f64716d680b in gtk_main_do_event (event=0x7f644401a890) at /build/buildd/gtk+3.0-3.1.12/./gtk/gtkmain.c:1894
        event_widget = <optimized out>
        grab_widget = 0x7f64736e40a0
        window_group = <optimized out>
        rewritten_event = <optimized out>
        device = <optimized out>
        tmp_list = <optimized out>
        __PRETTY_FUNCTION__ = "gtk_main_do_event"
#30 0x00007f64713327f2 in gdk_event_source_dispatch (source=<optimized out>, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/gtk+3.0-3.1.12/./gdk/x11/gdkeventsource.c:360
        display = <optimized out>
        event = 0x7f644401a890
#31 0x00007f646fd4befd in g_main_dispatch (context=0x7f64734ab650) at /build/buildd/glib2.0-2.29.16/./glib/gmain.c:2439
        dispatch = 0x7f64713327d0 <gdk_event_source_dispatch>
        was_in_call = 0
        user_data = 0x0
        callback = 0
        cb_funcs = 0x0
        cb_data = 0x0
        current_source_link = {data = 0x7f64734aaf60, next = 0x0}
        need_destroy = <optimized out>
        source = 0x7f64734aaf60
        current = 0x7f6473640590
        i = <optimized out>
#32 g_main_context_dispatch (context=0x7f64734ab650) at /build/buildd/glib2.0-2.29.16/./glib/gmain.c:3008
No locals.
#33 0x00007f646fd4c6f8 in g_main_context_iterate (context=0x7f64734ab650, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.29.16/./glib/gmain.c:3086
        max_priority = 2147483647
        timeout = 3611
        some_ready = 1
        nfds = 5
        allocated_nfds = <optimized out>
        fds = <optimized out>
#34 0x00007f646fd4cc32 in g_main_loop_run (loop=0x7f64735ee4e0) at /build/buildd/glib2.0-2.29.16/./glib/gmain.c:3294
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#35 0x00007f64716d5c1d in gtk_main () at /build/buildd/gtk+3.0-3.1.12/./gtk/gtkmain.c:1367
        loop = 0x7f64735ee4e0
#36 0x00007f64704f177e in g_application_run (application=0x7f6473706390, argc=<optimized out>, argv=<optimized out>) at /build/buildd/glib2.0-2.29.16/./gio/gapplication.c:1325
        arguments = 0x7f64735ee4e0
        status = 0
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_application_run"
#37 0x00007f647202e86c in main (argc=2, argv=0x7fffb25e2aa8) at control-center.c:196
        shell = <optimized out>
        application = 0x7f6473706390
        status = <optimized out>