Dear Simon,

Thank you for the email and the useful instructions.

To be clear, I did the following:

% export DEBUGINFOD_URLS="https://debuginfod.debian.net";

% gdb -batch -n -ex 'set pagination off' -ex run -ex bt -ex 'bt full' -ex 'thread apply all bt full' --args gnome-control-center > output.txt

This produced copious output, which I have attached here as a file.

gdb did also complain modestly to stderr as follows

31    ../sysdeps/x86_64/multiarch/strcmp-sse2-unaligned.S: Inappropriate ioctl for device.


If it's relevant: hardware is a Mac PowerBook Pro 2013 with an external Apple Thunderbolt display and a Matias external keyboard.

Do please let me know if I can help pursue this further.

Be well,

—WBTD.

On 24/05/2021 21:37, Simon McVittie wrote:
On Mon, 24 May 2021 at 16:46:54 +0100, Will Tuladhar-Douglas wrote:
Whenever gnome control panel is open to the Language and Region screen,
if one selects the "+" icon to add a new input source, there's a
segfault.
This isn't crashing for me, but I might be able to get
somewhere with it if you can provide a backtrace from the crash?
https://wiki.debian.org/HowToGetABacktrace might be useful information.

Thanks,
     smcv
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffea9ab700 (LWP 84475)]
[New Thread 0x7fffea1aa700 (LWP 84476)]
[New Thread 0x7fffe8890700 (LWP 84483)]
[New Thread 0x7fffe20f2700 (LWP 84484)]
[New Thread 0x7fffe18f1700 (LWP 84485)]
[Thread 0x7fffe18f1700 (LWP 84485) exited]

Thread 1 "gnome-control-c" received signal SIGSEGV, Segmentation fault.
__strcmp_sse2_unaligned () at 
../sysdeps/x86_64/multiarch/strcmp-sse2-unaligned.S:31
Download failed: Invalid argument.  Continuing without source file 
./string/../sysdeps/x86_64/multiarch/strcmp-sse2-unaligned.S.
#0  __strcmp_sse2_unaligned () at 
../sysdeps/x86_64/multiarch/strcmp-sse2-unaligned.S:31
#1  0x0000555555620aeb in add_rows_to_table (self=self@entry=0x5555569be310 
[CcInputChooser], info=info@entry=0x555556827b50, list=0x555555c95a60 = {...}, 
list@entry=0x555555c69a60 = {...}, type=type@entry=0x5555556cca33 "xkb", 
default_id=0x7ffff6f8a0c5 "gb") at ../panels/region/cc-input-chooser.c:705
#2  0x0000555555621798 in get_locale_infos (self=0x5555569be310 
[CcInputChooser]) at ../panels/region/cc-input-chooser.c:934
#3  cc_input_chooser_new (is_login=<optimized out>, xkb_info=<optimized out>, 
ibus_engines=<optimized out>) at ../panels/region/cc-input-chooser.c:1052
#4  0x000055555561c695 in show_input_chooser (self=0x55555635c3d0 
[CcRegionPanel]) at ../panels/region/cc-region-panel.c:979
#5  0x00007ffff7d7c3ad in g_cclosure_marshal_VOID__OBJECTv 
(closure=0x555556594d80, return_value=<optimized out>, instance=<optimized 
out>, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized 
out>, param_types=0x55555640baa0) at ../../../gobject/gmarshal.c:1910
#6  0x00007ffff7d792ee in _g_closure_invoke_va 
(closure=closure@entry=0x555556594d80, return_value=return_value@entry=0x0, 
instance=instance@entry=0x555556420e40, args=args@entry=0x7fffffffd100, 
n_params=1, param_types=0x55555640baa0) at ../../../gobject/gclosure.c:873
#7  0x00007ffff7d91a48 in g_signal_emit_valist (instance=0x555556420e40, 
signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fffffffd100) at 
../../../gobject/gsignal.c:3404
#8  0x00007ffff7d91c3f in g_signal_emit (instance=<optimized out>, 
signal_id=<optimized out>, detail=<optimized out>) at 
../../../gobject/gsignal.c:3551
#9  0x00007ffff7653e6e in gtk_list_box_select_and_activate_full (grab_focus=1, 
row=0x55555658cd80 [GtkListBoxRow], box=0x555556420e40 [GtkListBox]) at 
../../../../gtk/gtklistbox.c:1817
#10 gtk_list_box_select_and_activate_full (grab_focus=1, row=0x55555658cd80 
[GtkListBoxRow], box=0x555556420e40 [GtkListBox]) at 
../../../../gtk/gtklistbox.c:1809
#11 gtk_list_box_multipress_gesture_released (gesture=<optimized out>, 
n_press=1, x=<optimized out>, y=<optimized out>, box=0x555556420e40 
[GtkListBox]) at ../../../../gtk/gtklistbox.c:2013
#12 0x00007ffff7802ccb in _gtk_marshal_VOID__INT_DOUBLE_DOUBLEv 
(closure=<optimized out>, return_value=<optimized out>, instance=<optimized 
out>, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized 
out>, param_types=0x5555563748f0) at gtkmarshalers.c:4803
#13 0x00007ffff7d792ee in _g_closure_invoke_va 
(closure=closure@entry=0x5555565aad30, return_value=return_value@entry=0x0, 
instance=instance@entry=0x5555565a1b50, args=args@entry=0x7fffffffd440, 
n_params=3, param_types=0x5555563748f0) at ../../../gobject/gclosure.c:873
#14 0x00007ffff7d91a48 in g_signal_emit_valist (instance=0x5555565a1b50, 
signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fffffffd440) at 
../../../gobject/gsignal.c:3404
#15 0x00007ffff7d91c3f in g_signal_emit 
(instance=instance@entry=0x5555565a1b50, signal_id=<optimized out>, 
detail=detail@entry=0) at ../../../gobject/gsignal.c:3551
#16 0x00007ffff76112d4 in gtk_gesture_multi_press_end 
(gesture=gesture@entry=0x5555565a1b50 [GtkGestureMultiPress], 
sequence=sequence@entry=0x0) at ../../../../gtk/gtkgesturemultipress.c:287
#17 0x00007ffff7d7c100 in g_cclosure_marshal_VOID__BOXEDv 
(closure=0x555556367020, return_value=<optimized out>, instance=<optimized 
out>, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized 
out>, param_types=0x555556367050) at ../../../gobject/gmarshal.c:1686
#18 0x00007ffff7d792ee in _g_closure_invoke_va 
(closure=closure@entry=0x555556367020, return_value=return_value@entry=0x0, 
instance=instance@entry=0x5555565a1b50, args=args@entry=0x7fffffffd7c0, 
n_params=1, param_types=0x555556367050) at ../../../gobject/gclosure.c:873
#19 0x00007ffff7d91a48 in g_signal_emit_valist (instance=0x5555565a1b50, 
signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fffffffd7c0) at 
../../../gobject/gsignal.c:3404
#20 0x00007ffff7d91c3f in g_signal_emit 
(instance=instance@entry=0x5555565a1b50, signal_id=<optimized out>, 
detail=detail@entry=0) at ../../../gobject/gsignal.c:3551
#21 0x00007ffff760e387 in _gtk_gesture_set_recognized (sequence=0x0, 
recognized=0, gesture=0x5555565a1b50 [GtkGestureMultiPress]) at 
../../../../gtk/gtkgesture.c:346
#22 _gtk_gesture_check_recognized (gesture=gesture@entry=0x5555565a1b50 
[GtkGestureMultiPress], sequence=sequence@entry=0x0) at 
../../../../gtk/gtkgesture.c:387
#23 0x00007ffff760fa1b in gtk_gesture_handle_event (event=0x7fffd4003f10, 
controller=0x5555565a1b50 [GtkGestureMultiPress]) at 
../../../../gtk/gtkgesture.c:778
#24 gtk_gesture_handle_event (controller=0x5555565a1b50 [GtkGestureMultiPress], 
event=0x7fffd4003f10) at ../../../../gtk/gtkgesture.c:713
#25 0x00007ffff7612aaf in gtk_gesture_single_handle_event 
(controller=0x5555565a1b50 [GtkGestureMultiPress], event=0x7fffd4003f10) at 
../../../../gtk/gtkgesturesingle.c:222
#26 0x00007ffff75d8fdc in gtk_event_controller_handle_event 
(controller=0x5555565a1b50 [GtkGestureMultiPress], 
event=event@entry=0x7fffd4003f10) at ../../../../gtk/gtkeventcontroller.c:230
#27 0x00007ffff77a4c4d in _gtk_widget_run_controllers (widget=0x555556420e40 
[GtkListBox], event=0x7fffd4003f10, phase=GTK_PHASE_BUBBLE) at 
../../../../gtk/gtkwidget.c:7443
#28 0x00007ffff77fc9f8 in _gtk_marshal_BOOLEAN__BOXEDv (closure=0x555555adb2a0, 
return_value=0x7fffffffdb40, instance=<optimized out>, args=<optimized out>, 
marshal_data=<optimized out>, n_params=<optimized out>, 
param_types=0x555555adb2d0) at gtkmarshalers.c:129
#29 0x00007ffff7d792ee in _g_closure_invoke_va 
(closure=closure@entry=0x555555adb2a0, 
return_value=return_value@entry=0x7fffffffdb40, 
instance=instance@entry=0x555556420e40, args=args@entry=0x7fffffffdc10, 
n_params=1, param_types=0x555555adb2d0) at ../../../gobject/gclosure.c:873
#30 0x00007ffff7d90df9 in g_signal_emit_valist (instance=0x555556420e40, 
signal_id=<optimized out>, detail=<optimized out>, 
var_args=var_args@entry=0x7fffffffdc10) at ../../../gobject/gsignal.c:3404
#31 0x00007ffff7d91c3f in g_signal_emit 
(instance=instance@entry=0x555556420e40, signal_id=<optimized out>, 
detail=detail@entry=0) at ../../../gobject/gsignal.c:3551
#32 0x00007ffff77a6d04 in gtk_widget_event_internal 
(widget=widget@entry=0x555556420e40 [GtkListBox], 
event=event@entry=0x7fffd4003f10) at ../../../../gtk/gtkwidget.c:7808
#33 0x00007ffff77a8f32 in gtk_widget_event_internal (event=0x7fffd4003f10, 
widget=0x555556420e40 [GtkListBox]) at ../../../../gtk/gtkwidget.c:7379
#34 0x00007ffff7659e00 in propagate_event_up (topmost=<optimized out>, 
event=<optimized out>, widget=0x555556420e40 [GtkListBox]) at 
../../../../gtk/gtkmain.c:2597
#35 propagate_event (widget=widget@entry=0x555556420e40 [GtkListBox], 
event=event@entry=0x7fffd4003f10, captured=captured@entry=0, 
topmost=topmost@entry=0x0) at ../../../../gtk/gtkmain.c:2700
#36 0x00007ffff765b15f in gtk_propagate_event 
(widget=widget@entry=0x555556420e40 [GtkListBox], 
event=event@entry=0x7fffd4003f10) at ../../../../gtk/gtkmain.c:2734
#37 0x00007ffff765ba63 in gtk_main_do_event (event=0x7fffd4003f10) at 
../../../../gtk/gtkmain.c:1920
#38 gtk_main_do_event (event=<optimized out>) at ../../../../gtk/gtkmain.c:1690
#39 0x00007ffff7344785 in _gdk_event_emit (event=event@entry=0x7fffd4003f10) at 
../../../../gdk/gdkevents.c:73
#40 0x00007ffff73782e2 in gdk_event_source_dispatch (source=<optimized out>, 
callback=<optimized out>, user_data=<optimized out>) at 
../../../../../gdk/x11/gdkeventsource.c:367
#41 0x00007ffff7c87e6b in g_main_dispatch (context=0x555555ac0c50) at 
../../../glib/gmain.c:3325
#42 g_main_context_dispatch (context=0x555555ac0c50) at 
../../../glib/gmain.c:4043
#43 0x00007ffff7c88118 in g_main_context_iterate 
(context=context@entry=0x555555ac0c50, block=block@entry=1, 
dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4119
#44 0x00007ffff7c881cf in g_main_context_iteration 
(context=context@entry=0x555555ac0c50, may_block=may_block@entry=1) at 
../../../glib/gmain.c:4184
#45 0x00007ffff7e9e545 in g_application_run (application=0x555556324140 
[CcApplication], argc=-8412, argc@entry=1, argv=argv@entry=0x7fffffffe098) at 
../../../gio/gapplication.c:2559
#46 0x00005555555ac644 in main (argc=<optimized out>, argv=<optimized out>) at 
../shell/main.c:65
#0  __strcmp_sse2_unaligned () at 
../sysdeps/x86_64/multiarch/strcmp-sse2-unaligned.S:31
#1  0x0000555555620aeb in add_rows_to_table (self=self@entry=0x5555569be310 
[CcInputChooser], info=info@entry=0x555556827b50, list=0x555555c95a60 = {...}, 
list@entry=0x555555c69a60 = {...}, type=type@entry=0x5555556cca33 "xkb", 
default_id=0x7ffff6f8a0c5 "gb") at ../panels/region/cc-input-chooser.c:705
        table = 0x555556636700 = {[0x5555568d79d0 "cm+mmuock"] = 
0x5555569c85d0, [0x5555568d02f0 "us+3l"] = 0x5555565acd70, [0x5555568cb620 
"ph+capewell-dvorak"] = 0x5555569c8450, [0x5555568fdb50 "us+dvorak-l"] = 
0x5555569c8a50, [0x5555568c98f0 "gb+mac_intl"] = 0x5555569c6d80, 
[0x5555568ee3f0 "gh+gillbt"] = 0x5555569c6600, [0x5555568cd180 "apl+aplx"] = 
0x5555569c88d0, [0x5555568d0350 "us+3l-cros"] = 0x5555569c6900, [0x5555568dc280 
"us+carpalx-full-intl"] = 0x5555565acef0, [0x5555568dc040 "us+sun_type6"] = 
0x5555569c6780, [0x5555568dbf20 "us+drix"] = 0x5555569c8750, [0x5555568dca80 
"cm+dvorak"] = 0x5555569c82d0, [0x5555568ffdc0 "us+dvp"] = 0x5555569c6a80, 
[0x5555568ffd50 "us+dvorak-classic"] = 0x5555565ac8f0, [0x555556900400 
"us+olpc2"] = 0x5555569c6180, [0x5555568cb280 "ml+us-intl"] = 0x5555565aca70, 
[0x5555568ff380 "eu"] = 0x5555565ac770, [0x5555568d02c0 
"us+carpalx-full-altgr-intl"] = 0x5555565acbf0, [0x5555568c9770 "gb+intl"] = 
0x5555569c8bd0, [0x5555568dd7c0 "ca+eng"] = 0x5555569c6c00, [0x5555568cbaa0 
"apl+aplplusII"] = 0x5555569c6480, [0x555556900aa0 "us+norman"] = 
0x5555569c6300, [0x5555568fdaf0 "us+dvorak-intl"] = 0x5555569c6f00, 
[0x5555568dc110 "us+carpalx-intl"] = 0x5555569c8150}
        row = <optimized out>
        id = 0x5d7 <error: Cannot access memory at address 0x5d7>
#2  0x0000555555621798 in get_locale_infos (self=0x5555569be310 
[CcInputChooser]) at ../panels/region/cc-input-chooser.c:934
        country_code = 0x5555567dc180 "GB"
        simple_locale = 0x555556990d00 "en_GB.UTF-8"
        tmp = 0x555556651e70 "English"
        type = 0x7ffff6f8a01c "xkb"
        language_layouts = 0x555555c69a60
        lang_code = 0x5555569753e0 "en"
        id = 0x7ffff6f8a0c5 "gb"
        layouts_with_locale = 0x5555566c2000
        info = 0x555556827b50
        locale = 0x5555568a4770
        all_layouts = 0x0
        locale_ids = 0x5555568a4770
        l = <optimized out>
        self = 0x5555569be310 [CcInputChooser]
        error = 0x0
#3  cc_input_chooser_new (is_login=<optimized out>, xkb_info=<optimized out>, 
ibus_engines=<optimized out>) at ../panels/region/cc-input-chooser.c:1052
        self = 0x5555569be310 [CcInputChooser]
        error = 0x0
#4  0x000055555561c695 in show_input_chooser (self=0x55555635c3d0 
[CcRegionPanel]) at ../panels/region/cc-region-panel.c:979
        chooser = <optimized out>
#5  0x00007ffff7d7c3ad in g_cclosure_marshal_VOID__OBJECTv 
(closure=0x555556594d80, return_value=<optimized out>, instance=<optimized 
out>, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized 
out>, param_types=0x55555640baa0) at ../../../gobject/gmarshal.c:1910
        data1 = 0x55555635c3d0
        data2 = <optimized out>
        callback = 0x55555561d590 <input_row_activated_cb>
        arg0 = 0x55555658cd80
        args_copy = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 
0x7fffffffd1e0, reg_save_area = 0x7fffffffd120}}
#6  0x00007ffff7d792ee in _g_closure_invoke_va 
(closure=closure@entry=0x555556594d80, return_value=return_value@entry=0x0, 
instance=instance@entry=0x555556420e40, args=args@entry=0x7fffffffd100, 
n_params=1, param_types=0x55555640baa0) at ../../../gobject/gclosure.c:873
        marshal = 0x7ffff7d7c330 <g_cclosure_marshal_VOID__OBJECTv>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0x555556594d60
        __func__ = "_g_closure_invoke_va"
#7  0x00007ffff7d91a48 in g_signal_emit_valist (instance=0x555556420e40, 
signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fffffffd100) at 
../../../gobject/gsignal.c:3404
        return_accu = <optimized out>
        accu = {g_type = 0x0, 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 = 0x0
        emission = {next = 0x7fffffffd340, instance = 0x555556420e40, ihint = 
{signal_id = 337, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = 
EMISSION_RUN, chain_type = 0x55555641c200 
[GtkListBox/GtkContainer/GtkWidget/GInitiallyUnowned]}
        signal_id = 337
        instance_type = <optimized out>
        emission_return = {g_type = 0x0, 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 = 0x4 [void]
        static_scope = 0
        fastpath_handler = <optimized out>
        closure = <optimized out>
        run_type = <optimized out>
        hlist = <optimized out>
        l = <optimized out>
        fastpath = 1
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        node = <optimized out>
        i = <optimized out>
        n_params = <optimized out>
        __func__ = "g_signal_emit_valist"
#8  0x00007ffff7d91c3f in g_signal_emit (instance=<optimized out>, 
signal_id=<optimized out>, detail=<optimized out>) at 
../../../gobject/gsignal.c:3551
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 
0x7fffffffd1e0, reg_save_area = 0x7fffffffd120}}
#9  0x00007ffff7653e6e in gtk_list_box_select_and_activate_full (grab_focus=1, 
row=0x55555658cd80 [GtkListBoxRow], box=0x555556420e40 [GtkListBox]) at 
../../../../gtk/gtklistbox.c:1817
        focus_on_click = 1
        priv = 0x555556420c50
#10 gtk_list_box_select_and_activate_full (grab_focus=1, row=0x55555658cd80 
[GtkListBoxRow], box=0x555556420e40 [GtkListBox]) at 
../../../../gtk/gtklistbox.c:1809
        focus_on_click = 1
        priv = 0x555556420c50
#11 gtk_list_box_multipress_gesture_released (gesture=<optimized out>, 
n_press=1, x=<optimized out>, y=<optimized out>, box=0x555556420e40 
[GtkListBox]) at ../../../../gtk/gtklistbox.c:2013
        focus_on_click = 1
        priv = 0x555556420c50
#12 0x00007ffff7802ccb in _gtk_marshal_VOID__INT_DOUBLE_DOUBLEv 
(closure=<optimized out>, return_value=<optimized out>, instance=<optimized 
out>, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized 
out>, param_types=0x5555563748f0) at gtkmarshalers.c:4803
        data1 = <optimized out>
        data2 = <optimized out>
        callback = <optimized out>
        arg0 = -151478075
        arg1 = 1.6975966329698441e-313
        arg2 = 4.6355715563490276e-310
        args_copy = {{gp_offset = 32, fp_offset = 80, overflow_arg_area = 
0x7fffffffd520, reg_save_area = 0x7fffffffd460}}
#13 0x00007ffff7d792ee in _g_closure_invoke_va 
(closure=closure@entry=0x5555565aad30, return_value=return_value@entry=0x0, 
instance=instance@entry=0x5555565a1b50, args=args@entry=0x7fffffffd440, 
n_params=3, param_types=0x5555563748f0) at ../../../gobject/gclosure.c:873
        marshal = 0x7ffff7802c30 <_gtk_marshal_VOID__INT_DOUBLE_DOUBLEv>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0x5555565aad10
        __func__ = "_g_closure_invoke_va"
#14 0x00007ffff7d91a48 in g_signal_emit_valist (instance=0x5555565a1b50, 
signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fffffffd440) at 
../../../gobject/gsignal.c:3404
        return_accu = <optimized out>
        accu = {g_type = 0x0, 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 = 0x0
        emission = {next = 0x7fffffffd6c0, instance = 0x5555565a1b50, ihint = 
{signal_id = 280, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = 
EMISSION_RUN, chain_type = 0x555556374430 
[GtkGestureMultiPress/GtkGestureSingle/GtkGesture/GtkEventController]}
        signal_id = 280
        instance_type = <optimized out>
        emission_return = {g_type = 0x0, 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 = 0x4 [void]
        static_scope = 0
        fastpath_handler = <optimized out>
        closure = <optimized out>
        run_type = <optimized out>
        hlist = <optimized out>
        l = <optimized out>
        fastpath = 1
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        node = <optimized out>
        i = <optimized out>
        n_params = <optimized out>
        __func__ = "g_signal_emit_valist"
#15 0x00007ffff7d91c3f in g_signal_emit 
(instance=instance@entry=0x5555565a1b50, signal_id=<optimized out>, 
detail=detail@entry=0) at ../../../gobject/gsignal.c:3551
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 
0x7fffffffd520, reg_save_area = 0x7fffffffd460}}
#16 0x00007ffff76112d4 in gtk_gesture_multi_press_end 
(gesture=gesture@entry=0x5555565a1b50 [GtkGestureMultiPress], 
sequence=sequence@entry=0x0) at ../../../../gtk/gtkgesturemultipress.c:287
        multi_press = 0x5555565a1b50 [GtkGestureMultiPress]
        priv = 0x5555565a1aa0
        current = 0x0
        x = 276
        y = 141
        interpreted = 1
        state = <optimized out>
#17 0x00007ffff7d7c100 in g_cclosure_marshal_VOID__BOXEDv 
(closure=0x555556367020, return_value=<optimized out>, instance=<optimized 
out>, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized 
out>, param_types=0x555556367050) at ../../../gobject/gmarshal.c:1686
        data1 = 0x5555565a1b50
        data2 = <optimized out>
        callback = 0x7ffff7611230 <gtk_gesture_multi_press_end>
        arg0 = 0x0
        args_copy = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 
0x7fffffffd8a0, reg_save_area = 0x7fffffffd7e0}}
#18 0x00007ffff7d792ee in _g_closure_invoke_va 
(closure=closure@entry=0x555556367020, return_value=return_value@entry=0x0, 
instance=instance@entry=0x5555565a1b50, args=args@entry=0x7fffffffd7c0, 
n_params=1, param_types=0x555556367050) at ../../../gobject/gclosure.c:873
        marshal = 0x7ffff7d77580 <g_type_class_meta_marshalv>
        marshal_data = 0x108
        in_marshal = 0
        real_closure = 0x555556367000
        __func__ = "_g_closure_invoke_va"
#19 0x00007ffff7d91a48 in g_signal_emit_valist (instance=0x5555565a1b50, 
signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fffffffd7c0) at 
../../../gobject/gsignal.c:3404
        return_accu = <optimized out>
        accu = {g_type = 0x0, 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 = 0x0
        emission = {next = 0x7fffffffdb10, instance = 0x5555565a1b50, ihint = 
{signal_id = 272, detail = 0, run_type = G_SIGNAL_RUN_LAST}, state = 
EMISSION_RUN, chain_type = 0x555556374430 
[GtkGestureMultiPress/GtkGestureSingle/GtkGesture/GtkEventController]}
        signal_id = 272
        instance_type = <optimized out>
        emission_return = {g_type = 0x0, 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 = 0x4 [void]
        static_scope = 0
        fastpath_handler = <optimized out>
        closure = <optimized out>
        run_type = <optimized out>
        hlist = <optimized out>
        l = <optimized out>
        fastpath = 1
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        node = <optimized out>
        i = <optimized out>
        n_params = <optimized out>
        __func__ = "g_signal_emit_valist"
#20 0x00007ffff7d91c3f in g_signal_emit 
(instance=instance@entry=0x5555565a1b50, signal_id=<optimized out>, 
detail=detail@entry=0) at ../../../gobject/gsignal.c:3551
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 
0x7fffffffd8a0, reg_save_area = 0x7fffffffd7e0}}
#21 0x00007ffff760e387 in _gtk_gesture_set_recognized (sequence=0x0, 
recognized=0, gesture=0x5555565a1b50 [GtkGestureMultiPress]) at 
../../../../gtk/gtkgesture.c:346
        priv = <optimized out>
        priv = 0x5555565a1b00
        has_matching_touchpoints = 0
#22 _gtk_gesture_check_recognized (gesture=gesture@entry=0x5555565a1b50 
[GtkGestureMultiPress], sequence=sequence@entry=0x0) at 
../../../../gtk/gtkgesture.c:387
        priv = 0x5555565a1b00
        has_matching_touchpoints = 0
#23 0x00007ffff760fa1b in gtk_gesture_handle_event (event=0x7fffd4003f10, 
controller=0x5555565a1b50 [GtkGestureMultiPress]) at 
../../../../gtk/gtkgesture.c:778
        was_recognized = 1
        sequence = 0x0
        priv = 0x5555565a1b00
        gesture = 0x5555565a1b50 [GtkGestureMultiPress]
        source_device = <optimized out>
#24 gtk_gesture_handle_event (controller=0x5555565a1b50 [GtkGestureMultiPress], 
event=0x7fffd4003f10) at ../../../../gtk/gtkgesture.c:713
        gesture = 0x5555565a1b50 [GtkGestureMultiPress]
        source_device = <optimized out>
#25 0x00007ffff7612aaf in gtk_gesture_single_handle_event 
(controller=0x5555565a1b50 [GtkGestureMultiPress], event=0x7fffd4003f10) at 
../../../../gtk/gtkgesturesingle.c:222
        sequence = <optimized out>
        priv = 0x5555565a1ae0
        source_device = <optimized out>
        source = GDK_SOURCE_MOUSE
        button = <optimized out>
        i = <optimized out>
        retval = <optimized out>
        test_touchscreen = <optimized out>
#26 0x00007ffff75d8fdc in gtk_event_controller_handle_event 
(controller=0x5555565a1b50 [GtkGestureMultiPress], 
event=event@entry=0x7fffd4003f10) at ../../../../gtk/gtkeventcontroller.c:230
        controller_class = 0x555556374550
        retval = 0
        __func__ = "gtk_event_controller_handle_event"
#27 0x00007ffff77a4c4d in _gtk_widget_run_controllers (widget=0x555556420e40 
[GtkListBox], event=0x7fffd4003f10, phase=GTK_PHASE_BUBBLE) at 
../../../../gtk/gtkwidget.c:7443
        controller_phase = <optimized out>
        next = 0x0
        data = 0x5555565aab40
        handled = 0
        priv = 0x555556420d50
        l = <optimized out>
#28 0x00007ffff77fc9f8 in _gtk_marshal_BOOLEAN__BOXEDv (closure=0x555555adb2a0, 
return_value=0x7fffffffdb40, instance=<optimized out>, args=<optimized out>, 
marshal_data=<optimized out>, n_params=<optimized out>, 
param_types=0x555555adb2d0) at gtkmarshalers.c:129
        data1 = 0x555556420e40
        data2 = <optimized out>
        callback = 0x7ffff77a7270 <gtk_widget_real_button_event>
        v_return = <optimized out>
        arg0 = 0x7fffd4003f10
        args_copy = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 
0x7fffffffdcf0, reg_save_area = 0x7fffffffdc30}}
        __func__ = "_gtk_marshal_BOOLEAN__BOXEDv"
#29 0x00007ffff7d792ee in _g_closure_invoke_va 
(closure=closure@entry=0x555555adb2a0, 
return_value=return_value@entry=0x7fffffffdb40, 
instance=instance@entry=0x555556420e40, args=args@entry=0x7fffffffdc10, 
n_params=1, param_types=0x555555adb2d0) at ../../../gobject/gclosure.c:873
        marshal = 0x7ffff7d77580 <g_type_class_meta_marshalv>
        marshal_data = 0x188
        in_marshal = 0
        real_closure = 0x555555adb280
        __func__ = "_g_closure_invoke_va"
#30 0x00007ffff7d90df9 in g_signal_emit_valist (instance=0x555556420e40, 
signal_id=<optimized out>, detail=<optimized out>, 
var_args=var_args@entry=0x7fffffffdc10) at ../../../gobject/gsignal.c:3404
        return_accu = <optimized out>
        accu = {g_type = 0x14 [gboolean], 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 = 0x555555adb560
        emission = {next = 0x0, instance = 0x555556420e40, ihint = {signal_id = 
61, detail = 0, run_type = G_SIGNAL_RUN_LAST}, state = EMISSION_RUN, chain_type 
= 0x55555641c200 [GtkListBox/GtkContainer/GtkWidget/GInitiallyUnowned]}
        signal_id = 61
        instance_type = <optimized out>
        emission_return = {g_type = 0x14 [gboolean], 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 = 0x14 [gboolean]
        static_scope = 0
        fastpath_handler = <optimized out>
        closure = <optimized out>
        run_type = <optimized out>
        hlist = <optimized out>
        l = <optimized out>
        fastpath = 1
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        node = <optimized out>
        i = <optimized out>
        n_params = <optimized out>
        __func__ = "g_signal_emit_valist"
#31 0x00007ffff7d91c3f in g_signal_emit 
(instance=instance@entry=0x555556420e40, signal_id=<optimized out>, 
detail=detail@entry=0) at ../../../gobject/gsignal.c:3551
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 
0x7fffffffdcf0, reg_save_area = 0x7fffffffdc30}}
#32 0x00007ffff77a6d04 in gtk_widget_event_internal 
(widget=widget@entry=0x555556420e40 [GtkListBox], 
event=event@entry=0x7fffd4003f10) at ../../../../gtk/gtkwidget.c:7808
        signal_num = <optimized out>
        return_val = <optimized out>
        handled = 0
        __func__ = "gtk_widget_event_internal"
#33 0x00007ffff77a8f32 in gtk_widget_event_internal (event=0x7fffd4003f10, 
widget=0x555556420e40 [GtkListBox]) at ../../../../gtk/gtkwidget.c:7379
        return_val = 0
        __func__ = "gtk_widget_event_internal"
        __func__ = "gtk_widget_event"
#34 0x00007ffff7659e00 in propagate_event_up (topmost=<optimized out>, 
event=<optimized out>, widget=0x555556420e40 [GtkListBox]) at 
../../../../gtk/gtkmain.c:2597
        tmp = <optimized out>
        handled_event = <optimized out>
        handled_event = 0
#35 propagate_event (widget=widget@entry=0x555556420e40 [GtkListBox], 
event=event@entry=0x7fffd4003f10, captured=captured@entry=0, 
topmost=topmost@entry=0x0) at ../../../../gtk/gtkmain.c:2700
        handled_event = 0
#36 0x00007ffff765b15f in gtk_propagate_event 
(widget=widget@entry=0x555556420e40 [GtkListBox], 
event=event@entry=0x7fffd4003f10) at ../../../../gtk/gtkmain.c:2734
        __func__ = "gtk_propagate_event"
#37 0x00007ffff765ba63 in gtk_main_do_event (event=0x7fffd4003f10) at 
../../../../gtk/gtkmain.c:1920
        grab_widget = <optimized out>
        window_group = <optimized out>
        rewritten_event = <optimized out>
        device = 0x555555ac2000 [GdkX11DeviceXI2]
        tmp_list = <optimized out>
        event_widget = <optimized out>
        topmost_widget = <optimized out>
        __func__ = "gtk_main_do_event"
        __func__ = "gtk_main_do_event"
#38 gtk_main_do_event (event=<optimized out>) at ../../../../gtk/gtkmain.c:1690
        __func__ = "gtk_main_do_event"
#39 0x00007ffff7344785 in _gdk_event_emit (event=event@entry=0x7fffd4003f10) at 
../../../../gdk/gdkevents.c:73
#40 0x00007ffff73782e2 in gdk_event_source_dispatch (source=<optimized out>, 
callback=<optimized out>, user_data=<optimized out>) at 
../../../../../gdk/x11/gdkeventsource.c:367
        display = <optimized out>
        event = 0x7fffd4003f10
#41 0x00007ffff7c87e6b in g_main_dispatch (context=0x555555ac0c50) at 
../../../glib/gmain.c:3325
        dispatch = 0x7ffff73782c0 <gdk_event_source_dispatch>
        prev_source = 0x0
        begin_time_nsec = 0
        was_in_call = 0
        user_data = 0x0
        callback = 0x0
        cb_funcs = <optimized out>
        cb_data = <optimized out>
        need_destroy = <optimized out>
        source = 0x555555abfd70
        current = 0x555555b3ef30
        i = 0
        __func__ = "g_main_dispatch"
#42 g_main_context_dispatch (context=0x555555ac0c50) at 
../../../glib/gmain.c:4043
#43 0x00007ffff7c88118 in g_main_context_iterate 
(context=context@entry=0x555555ac0c50, block=block@entry=1, 
dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4119
        max_priority = 2147483647
        timeout = 369
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = <optimized out>
        fds = 0x5555567d6640
#44 0x00007ffff7c881cf in g_main_context_iteration 
(context=context@entry=0x555555ac0c50, may_block=may_block@entry=1) at 
../../../glib/gmain.c:4184
        retval = <optimized out>
#45 0x00007ffff7e9e545 in g_application_run (application=0x555556324140 
[CcApplication], argc=-8412, argc@entry=1, argv=argv@entry=0x7fffffffe098) at 
../../../gio/gapplication.c:2559
        arguments = 0x555556323700
        status = 0
        context = 0x555555ac0c50
        acquired_context = <optimized out>
        __func__ = "g_application_run"
#46 0x00005555555ac644 in main (argc=<optimized out>, argv=<optimized out>) at 
../shell/main.c:65
        application = 0x555556324140

Thread 5 (Thread 0x7fffe20f2700 (LWP 84484) "pool-gnome-cont"):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff7cd9472 in g_cond_wait_until (cond=cond@entry=0x555555b1e1a8, 
mutex=mutex@entry=0x555555b1e1a0, end_time=end_time@entry=252238216208) at 
../../../glib/gthread-posix.c:1593
        now = {tv_sec = 252223, tv_nsec = 216208332}
        span = {tv_sec = 14, tv_nsec = 999999668}
        sampled = 0
        res = <optimized out>
        success = <optimized out>
#2  0x00007ffff7c57601 in g_async_queue_pop_intern_unlocked 
(queue=0x555555b1e1a0, wait=1, end_time=252238216208) at 
../../../glib/gasyncqueue.c:422
        retval = <optimized out>
        __func__ = "g_async_queue_pop_intern_unlocked"
#3  0x00007ffff7c57c22 in g_async_queue_timeout_pop (queue=0x555555b1e1a0, 
timeout=timeout@entry=15000000) at ../../../glib/gasyncqueue.c:545
        end_time = 252238216208
        retval = <optimized out>
        __func__ = "g_async_queue_timeout_pop"
#4  0x00007ffff7cb1a49 in g_thread_pool_wait_for_new_pool () at 
../../../glib/gthreadpool.c:183
        pool = <optimized out>
        local_max_idle_time = 15000
        local_wakeup_thread_serial = <optimized out>
        last_wakeup_thread_serial = 0
        have_relayed_thread_marker = <optimized out>
        free_pool = <optimized out>
        task = <optimized out>
        pool = <optimized out>
#5  g_thread_pool_thread_proxy (data=<optimized out>) at 
../../../glib/gthreadpool.c:411
        free_pool = <optimized out>
        task = <optimized out>
        pool = <optimized out>
#6  0x00007ffff7cb10bd in g_thread_proxy (data=0x5555564f25e0) at 
../../../glib/gthread.c:820
        thread = 0x5555564f25e0
        __func__ = "g_thread_proxy"
#7  0x00007ffff6112ea7 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140736986031872, 
-2086012548768261830, 140737488343774, 140737488343775, 140736986028480, 
8396800, 2086075638705887546, 2086031400971213114}, mask_was_saved = 0}}, priv 
= {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 
0}}}
        not_first_call = 0
#8  0x00007ffff6042def in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7fffe8890700 (LWP 84483) "dconf worker"):
#0  0x00007ffff60383ff in __GI___poll (fds=0x55555636ea50, nfds=1, timeout=-1) 
at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
#1  0x00007ffff7c880ae in g_main_context_poll (priority=<optimized out>, 
n_fds=1, fds=0x55555636ea50, timeout=<optimized out>, context=0x555556456120) 
at ../../../glib/gmain.c:4422
        ret = <optimized out>
        errsv = <optimized out>
        poll_func = 0x7ffff7c97410 <g_poll>
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = <optimized out>
        fds = 0x55555636ea50
#2  g_main_context_iterate (context=context@entry=0x555556456120, 
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at 
../../../glib/gmain.c:4114
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = <optimized out>
        fds = 0x55555636ea50
#3  0x00007ffff7c881cf in g_main_context_iteration 
(context=context@entry=0x555556456120, may_block=may_block@entry=1) at 
../../../glib/gmain.c:4184
        retval = <optimized out>
#4  0x00007fffe88a138d in dconf_gdbus_worker_thread (user_data=0x555556456120) 
at ../gdbus/dconf-gdbus-thread.c:82
        context = 0x555556456120
#5  0x00007ffff7cb10bd in g_thread_proxy (data=0x555556456700) at 
../../../glib/gthread.c:820
        thread = 0x555556456700
        __func__ = "g_thread_proxy"
#6  0x00007ffff6112ea7 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140737094682368, 
-2086012548768261830, 140737488343166, 140737488343167, 140737094678976, 
8396800, 2086063495759599930, 2086031400971213114}, mask_was_saved = 0}}, priv 
= {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 
0}}}
        not_first_call = 0
#7  0x00007ffff6042def in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7fffea1aa700 (LWP 84476) "gdbus"):
#0  0x00007ffff60383ff in __GI___poll (fds=0x555555ae91d0, nfds=4, timeout=-1) 
at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
#1  0x00007ffff7c880ae in g_main_context_poll (priority=<optimized out>, 
n_fds=4, fds=0x555555ae91d0, timeout=<optimized out>, context=0x555555b3bd90) 
at ../../../glib/gmain.c:4422
        ret = <optimized out>
        errsv = <optimized out>
        poll_func = 0x7ffff7c97410 <g_poll>
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 4
        allocated_nfds = <optimized out>
        fds = 0x555555ae91d0
#2  g_main_context_iterate (context=0x555555b3bd90, block=block@entry=1, 
dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4114
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 4
        allocated_nfds = <optimized out>
        fds = 0x555555ae91d0
#3  0x00007ffff7c8840b in g_main_loop_run (loop=0x555555b3be80) at 
../../../glib/gmain.c:4317
        __func__ = "g_main_loop_run"
#4  0x00007ffff7edaa36 in gdbus_shared_thread_func (user_data=0x555555b3bd60) 
at ../../../gio/gdbusprivate.c:280
        data = 0x555555b3bd60
#5  0x00007ffff7cb10bd in g_thread_proxy (data=0x555555b35c00) at 
../../../glib/gthread.c:820
        thread = 0x555555b35c00
        __func__ = "g_thread_proxy"
#6  0x00007ffff6112ea7 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140737121003264, 
-2086012548768261830, 140737488342830, 140737488342831, 140737120999872, 
8396800, 2086057879016118586, 2086031400971213114}, mask_was_saved = 0}}, priv 
= {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 
0}}}
        not_first_call = 0
#7  0x00007ffff6042def in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7fffea9ab700 (LWP 84475) "gmain"):
#0  0x00007ffff60383ff in __GI___poll (fds=0x555555b2c2a0, nfds=2, timeout=-1) 
at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
#1  0x00007ffff7c880ae in g_main_context_poll (priority=<optimized out>, 
n_fds=2, fds=0x555555b2c2a0, timeout=<optimized out>, context=0x555555b2c180) 
at ../../../glib/gmain.c:4422
        ret = <optimized out>
        errsv = <optimized out>
        poll_func = 0x7ffff7c97410 <g_poll>
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 2
        allocated_nfds = <optimized out>
        fds = 0x555555b2c2a0
#2  g_main_context_iterate (context=context@entry=0x555555b2c180, 
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at 
../../../glib/gmain.c:4114
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 2
        allocated_nfds = <optimized out>
        fds = 0x555555b2c2a0
#3  0x00007ffff7c881cf in g_main_context_iteration (context=0x555555b2c180, 
may_block=may_block@entry=1) at ../../../glib/gmain.c:4184
        retval = <optimized out>
#4  0x00007ffff7c88221 in glib_worker_main (data=<optimized out>) at 
../../../glib/gmain.c:6077
#5  0x00007ffff7cb10bd in g_thread_proxy (data=0x555555b254c0) at 
../../../glib/gthread.c:820
        thread = 0x555555b254c0
        __func__ = "g_thread_proxy"
#6  0x00007ffff6112ea7 in start_thread (arg=<optimized out>) at 
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140737129395968, 
-2086012548768261830, 140737488342430, 140737488342431, 140737129392576, 
8396800, 2086058979064617274, 2086031400971213114}, mask_was_saved = 0}}, priv 
= {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 
0}}}
        not_first_call = 0
#7  0x00007ffff6042def in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7fffeb19d280 (LWP 84399) "gnome-control-c"):
#0  __strcmp_sse2_unaligned () at 
../sysdeps/x86_64/multiarch/strcmp-sse2-unaligned.S:31
#1  0x0000555555620aeb in add_rows_to_table (self=self@entry=0x5555569be310 
[CcInputChooser], info=info@entry=0x555556827b50, list=0x555555c95a60 = {...}, 
list@entry=0x555555c69a60 = {...}, type=type@entry=0x5555556cca33 "xkb", 
default_id=0x7ffff6f8a0c5 "gb") at ../panels/region/cc-input-chooser.c:705
        table = 0x555556636700 = {[0x5555568d79d0 "cm+mmuock"] = 
0x5555569c85d0, [0x5555568d02f0 "us+3l"] = 0x5555565acd70, [0x5555568cb620 
"ph+capewell-dvorak"] = 0x5555569c8450, [0x5555568fdb50 "us+dvorak-l"] = 
0x5555569c8a50, [0x5555568c98f0 "gb+mac_intl"] = 0x5555569c6d80, 
[0x5555568ee3f0 "gh+gillbt"] = 0x5555569c6600, [0x5555568cd180 "apl+aplx"] = 
0x5555569c88d0, [0x5555568d0350 "us+3l-cros"] = 0x5555569c6900, [0x5555568dc280 
"us+carpalx-full-intl"] = 0x5555565acef0, [0x5555568dc040 "us+sun_type6"] = 
0x5555569c6780, [0x5555568dbf20 "us+drix"] = 0x5555569c8750, [0x5555568dca80 
"cm+dvorak"] = 0x5555569c82d0, [0x5555568ffdc0 "us+dvp"] = 0x5555569c6a80, 
[0x5555568ffd50 "us+dvorak-classic"] = 0x5555565ac8f0, [0x555556900400 
"us+olpc2"] = 0x5555569c6180, [0x5555568cb280 "ml+us-intl"] = 0x5555565aca70, 
[0x5555568ff380 "eu"] = 0x5555565ac770, [0x5555568d02c0 
"us+carpalx-full-altgr-intl"] = 0x5555565acbf0, [0x5555568c9770 "gb+intl"] = 
0x5555569c8bd0, [0x5555568dd7c0 "ca+eng"] = 0x5555569c6c00, [0x5555568cbaa0 
"apl+aplplusII"] = 0x5555569c6480, [0x555556900aa0 "us+norman"] = 
0x5555569c6300, [0x5555568fdaf0 "us+dvorak-intl"] = 0x5555569c6f00, 
[0x5555568dc110 "us+carpalx-intl"] = 0x5555569c8150}
        row = <optimized out>
        id = 0x5d7 <error: Cannot access memory at address 0x5d7>
#2  0x0000555555621798 in get_locale_infos (self=0x5555569be310 
[CcInputChooser]) at ../panels/region/cc-input-chooser.c:934
        country_code = 0x5555567dc180 "GB"
        simple_locale = 0x555556990d00 "en_GB.UTF-8"
        tmp = 0x555556651e70 "English"
        type = 0x7ffff6f8a01c "xkb"
        language_layouts = 0x555555c69a60
        lang_code = 0x5555569753e0 "en"
        id = 0x7ffff6f8a0c5 "gb"
        layouts_with_locale = 0x5555566c2000
        info = 0x555556827b50
        locale = 0x5555568a4770
        all_layouts = 0x0
        locale_ids = 0x5555568a4770
        l = <optimized out>
        self = 0x5555569be310 [CcInputChooser]
        error = 0x0
#3  cc_input_chooser_new (is_login=<optimized out>, xkb_info=<optimized out>, 
ibus_engines=<optimized out>) at ../panels/region/cc-input-chooser.c:1052
        self = 0x5555569be310 [CcInputChooser]
        error = 0x0
#4  0x000055555561c695 in show_input_chooser (self=0x55555635c3d0 
[CcRegionPanel]) at ../panels/region/cc-region-panel.c:979
        chooser = <optimized out>
#5  0x00007ffff7d7c3ad in g_cclosure_marshal_VOID__OBJECTv 
(closure=0x555556594d80, return_value=<optimized out>, instance=<optimized 
out>, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized 
out>, param_types=0x55555640baa0) at ../../../gobject/gmarshal.c:1910
        data1 = 0x55555635c3d0
        data2 = <optimized out>
        callback = 0x55555561d590 <input_row_activated_cb>
        arg0 = 0x55555658cd80
        args_copy = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 
0x7fffffffd1e0, reg_save_area = 0x7fffffffd120}}
#6  0x00007ffff7d792ee in _g_closure_invoke_va 
(closure=closure@entry=0x555556594d80, return_value=return_value@entry=0x0, 
instance=instance@entry=0x555556420e40, args=args@entry=0x7fffffffd100, 
n_params=1, param_types=0x55555640baa0) at ../../../gobject/gclosure.c:873
        marshal = 0x7ffff7d7c330 <g_cclosure_marshal_VOID__OBJECTv>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0x555556594d60
        __func__ = "_g_closure_invoke_va"
#7  0x00007ffff7d91a48 in g_signal_emit_valist (instance=0x555556420e40, 
signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fffffffd100) at 
../../../gobject/gsignal.c:3404
        return_accu = <optimized out>
        accu = {g_type = 0x0, 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 = 0x0
        emission = {next = 0x7fffffffd340, instance = 0x555556420e40, ihint = 
{signal_id = 337, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = 
EMISSION_RUN, chain_type = 0x55555641c200 
[GtkListBox/GtkContainer/GtkWidget/GInitiallyUnowned]}
        signal_id = 337
        instance_type = <optimized out>
        emission_return = {g_type = 0x0, 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 = 0x4 [void]
        static_scope = 0
        fastpath_handler = <optimized out>
        closure = <optimized out>
        run_type = <optimized out>
        hlist = <optimized out>
        l = <optimized out>
        fastpath = 1
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        node = <optimized out>
        i = <optimized out>
        n_params = <optimized out>
        __func__ = "g_signal_emit_valist"
#8  0x00007ffff7d91c3f in g_signal_emit (instance=<optimized out>, 
signal_id=<optimized out>, detail=<optimized out>) at 
../../../gobject/gsignal.c:3551
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 
0x7fffffffd1e0, reg_save_area = 0x7fffffffd120}}
#9  0x00007ffff7653e6e in gtk_list_box_select_and_activate_full (grab_focus=1, 
row=0x55555658cd80 [GtkListBoxRow], box=0x555556420e40 [GtkListBox]) at 
../../../../gtk/gtklistbox.c:1817
        focus_on_click = 1
        priv = 0x555556420c50
#10 gtk_list_box_select_and_activate_full (grab_focus=1, row=0x55555658cd80 
[GtkListBoxRow], box=0x555556420e40 [GtkListBox]) at 
../../../../gtk/gtklistbox.c:1809
        focus_on_click = 1
        priv = 0x555556420c50
#11 gtk_list_box_multipress_gesture_released (gesture=<optimized out>, 
n_press=1, x=<optimized out>, y=<optimized out>, box=0x555556420e40 
[GtkListBox]) at ../../../../gtk/gtklistbox.c:2013
        focus_on_click = 1
        priv = 0x555556420c50
#12 0x00007ffff7802ccb in _gtk_marshal_VOID__INT_DOUBLE_DOUBLEv 
(closure=<optimized out>, return_value=<optimized out>, instance=<optimized 
out>, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized 
out>, param_types=0x5555563748f0) at gtkmarshalers.c:4803
        data1 = <optimized out>
        data2 = <optimized out>
        callback = <optimized out>
        arg0 = -151478075
        arg1 = 1.6975966329698441e-313
        arg2 = 4.6355715563490276e-310
        args_copy = {{gp_offset = 32, fp_offset = 80, overflow_arg_area = 
0x7fffffffd520, reg_save_area = 0x7fffffffd460}}
#13 0x00007ffff7d792ee in _g_closure_invoke_va 
(closure=closure@entry=0x5555565aad30, return_value=return_value@entry=0x0, 
instance=instance@entry=0x5555565a1b50, args=args@entry=0x7fffffffd440, 
n_params=3, param_types=0x5555563748f0) at ../../../gobject/gclosure.c:873
        marshal = 0x7ffff7802c30 <_gtk_marshal_VOID__INT_DOUBLE_DOUBLEv>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0x5555565aad10
        __func__ = "_g_closure_invoke_va"
#14 0x00007ffff7d91a48 in g_signal_emit_valist (instance=0x5555565a1b50, 
signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fffffffd440) at 
../../../gobject/gsignal.c:3404
        return_accu = <optimized out>
        accu = {g_type = 0x0, 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 = 0x0
        emission = {next = 0x7fffffffd6c0, instance = 0x5555565a1b50, ihint = 
{signal_id = 280, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = 
EMISSION_RUN, chain_type = 0x555556374430 
[GtkGestureMultiPress/GtkGestureSingle/GtkGesture/GtkEventController]}
        signal_id = 280
        instance_type = <optimized out>
        emission_return = {g_type = 0x0, 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 = 0x4 [void]
        static_scope = 0
        fastpath_handler = <optimized out>
        closure = <optimized out>
        run_type = <optimized out>
        hlist = <optimized out>
        l = <optimized out>
        fastpath = 1
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        node = <optimized out>
        i = <optimized out>
        n_params = <optimized out>
        __func__ = "g_signal_emit_valist"
#15 0x00007ffff7d91c3f in g_signal_emit 
(instance=instance@entry=0x5555565a1b50, signal_id=<optimized out>, 
detail=detail@entry=0) at ../../../gobject/gsignal.c:3551
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 
0x7fffffffd520, reg_save_area = 0x7fffffffd460}}
#16 0x00007ffff76112d4 in gtk_gesture_multi_press_end 
(gesture=gesture@entry=0x5555565a1b50 [GtkGestureMultiPress], 
sequence=sequence@entry=0x0) at ../../../../gtk/gtkgesturemultipress.c:287
        multi_press = 0x5555565a1b50 [GtkGestureMultiPress]
        priv = 0x5555565a1aa0
        current = 0x0
        x = 276
        y = 141
        interpreted = 1
        state = <optimized out>
#17 0x00007ffff7d7c100 in g_cclosure_marshal_VOID__BOXEDv 
(closure=0x555556367020, return_value=<optimized out>, instance=<optimized 
out>, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized 
out>, param_types=0x555556367050) at ../../../gobject/gmarshal.c:1686
        data1 = 0x5555565a1b50
        data2 = <optimized out>
        callback = 0x7ffff7611230 <gtk_gesture_multi_press_end>
        arg0 = 0x0
        args_copy = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 
0x7fffffffd8a0, reg_save_area = 0x7fffffffd7e0}}
#18 0x00007ffff7d792ee in _g_closure_invoke_va 
(closure=closure@entry=0x555556367020, return_value=return_value@entry=0x0, 
instance=instance@entry=0x5555565a1b50, args=args@entry=0x7fffffffd7c0, 
n_params=1, param_types=0x555556367050) at ../../../gobject/gclosure.c:873
        marshal = 0x7ffff7d77580 <g_type_class_meta_marshalv>
        marshal_data = 0x108
        in_marshal = 0
        real_closure = 0x555556367000
        __func__ = "_g_closure_invoke_va"
#19 0x00007ffff7d91a48 in g_signal_emit_valist (instance=0x5555565a1b50, 
signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fffffffd7c0) at 
../../../gobject/gsignal.c:3404
        return_accu = <optimized out>
        accu = {g_type = 0x0, 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 = 0x0
        emission = {next = 0x7fffffffdb10, instance = 0x5555565a1b50, ihint = 
{signal_id = 272, detail = 0, run_type = G_SIGNAL_RUN_LAST}, state = 
EMISSION_RUN, chain_type = 0x555556374430 
[GtkGestureMultiPress/GtkGestureSingle/GtkGesture/GtkEventController]}
        signal_id = 272
        instance_type = <optimized out>
        emission_return = {g_type = 0x0, 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 = 0x4 [void]
        static_scope = 0
        fastpath_handler = <optimized out>
        closure = <optimized out>
        run_type = <optimized out>
        hlist = <optimized out>
        l = <optimized out>
        fastpath = 1
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        node = <optimized out>
        i = <optimized out>
        n_params = <optimized out>
        __func__ = "g_signal_emit_valist"
#20 0x00007ffff7d91c3f in g_signal_emit 
(instance=instance@entry=0x5555565a1b50, signal_id=<optimized out>, 
detail=detail@entry=0) at ../../../gobject/gsignal.c:3551
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 
0x7fffffffd8a0, reg_save_area = 0x7fffffffd7e0}}
#21 0x00007ffff760e387 in _gtk_gesture_set_recognized (sequence=0x0, 
recognized=0, gesture=0x5555565a1b50 [GtkGestureMultiPress]) at 
../../../../gtk/gtkgesture.c:346
        priv = <optimized out>
        priv = 0x5555565a1b00
        has_matching_touchpoints = 0
#22 _gtk_gesture_check_recognized (gesture=gesture@entry=0x5555565a1b50 
[GtkGestureMultiPress], sequence=sequence@entry=0x0) at 
../../../../gtk/gtkgesture.c:387
        priv = 0x5555565a1b00
        has_matching_touchpoints = 0
#23 0x00007ffff760fa1b in gtk_gesture_handle_event (event=0x7fffd4003f10, 
controller=0x5555565a1b50 [GtkGestureMultiPress]) at 
../../../../gtk/gtkgesture.c:778
        was_recognized = 1
        sequence = 0x0
        priv = 0x5555565a1b00
        gesture = 0x5555565a1b50 [GtkGestureMultiPress]
        source_device = <optimized out>
#24 gtk_gesture_handle_event (controller=0x5555565a1b50 [GtkGestureMultiPress], 
event=0x7fffd4003f10) at ../../../../gtk/gtkgesture.c:713
        gesture = 0x5555565a1b50 [GtkGestureMultiPress]
        source_device = <optimized out>
#25 0x00007ffff7612aaf in gtk_gesture_single_handle_event 
(controller=0x5555565a1b50 [GtkGestureMultiPress], event=0x7fffd4003f10) at 
../../../../gtk/gtkgesturesingle.c:222
        sequence = <optimized out>
        priv = 0x5555565a1ae0
        source_device = <optimized out>
        source = GDK_SOURCE_MOUSE
        button = <optimized out>
        i = <optimized out>
        retval = <optimized out>
        test_touchscreen = <optimized out>
#26 0x00007ffff75d8fdc in gtk_event_controller_handle_event 
(controller=0x5555565a1b50 [GtkGestureMultiPress], 
event=event@entry=0x7fffd4003f10) at ../../../../gtk/gtkeventcontroller.c:230
        controller_class = 0x555556374550
        retval = 0
        __func__ = "gtk_event_controller_handle_event"
#27 0x00007ffff77a4c4d in _gtk_widget_run_controllers (widget=0x555556420e40 
[GtkListBox], event=0x7fffd4003f10, phase=GTK_PHASE_BUBBLE) at 
../../../../gtk/gtkwidget.c:7443
        controller_phase = <optimized out>
        next = 0x0
        data = 0x5555565aab40
        handled = 0
        priv = 0x555556420d50
        l = <optimized out>
#28 0x00007ffff77fc9f8 in _gtk_marshal_BOOLEAN__BOXEDv (closure=0x555555adb2a0, 
return_value=0x7fffffffdb40, instance=<optimized out>, args=<optimized out>, 
marshal_data=<optimized out>, n_params=<optimized out>, 
param_types=0x555555adb2d0) at gtkmarshalers.c:129
        data1 = 0x555556420e40
        data2 = <optimized out>
        callback = 0x7ffff77a7270 <gtk_widget_real_button_event>
        v_return = <optimized out>
        arg0 = 0x7fffd4003f10
        args_copy = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 
0x7fffffffdcf0, reg_save_area = 0x7fffffffdc30}}
        __func__ = "_gtk_marshal_BOOLEAN__BOXEDv"
#29 0x00007ffff7d792ee in _g_closure_invoke_va 
(closure=closure@entry=0x555555adb2a0, 
return_value=return_value@entry=0x7fffffffdb40, 
instance=instance@entry=0x555556420e40, args=args@entry=0x7fffffffdc10, 
n_params=1, param_types=0x555555adb2d0) at ../../../gobject/gclosure.c:873
        marshal = 0x7ffff7d77580 <g_type_class_meta_marshalv>
        marshal_data = 0x188
        in_marshal = 0
        real_closure = 0x555555adb280
        __func__ = "_g_closure_invoke_va"
#30 0x00007ffff7d90df9 in g_signal_emit_valist (instance=0x555556420e40, 
signal_id=<optimized out>, detail=<optimized out>, 
var_args=var_args@entry=0x7fffffffdc10) at ../../../gobject/gsignal.c:3404
        return_accu = <optimized out>
        accu = {g_type = 0x14 [gboolean], 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 = 0x555555adb560
        emission = {next = 0x0, instance = 0x555556420e40, ihint = {signal_id = 
61, detail = 0, run_type = G_SIGNAL_RUN_LAST}, state = EMISSION_RUN, chain_type 
= 0x55555641c200 [GtkListBox/GtkContainer/GtkWidget/GInitiallyUnowned]}
        signal_id = 61
        instance_type = <optimized out>
        emission_return = {g_type = 0x14 [gboolean], 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 = 0x14 [gboolean]
        static_scope = 0
        fastpath_handler = <optimized out>
        closure = <optimized out>
        run_type = <optimized out>
        hlist = <optimized out>
        l = <optimized out>
        fastpath = 1
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        node = <optimized out>
        i = <optimized out>
        n_params = <optimized out>
        __func__ = "g_signal_emit_valist"
#31 0x00007ffff7d91c3f in g_signal_emit 
(instance=instance@entry=0x555556420e40, signal_id=<optimized out>, 
detail=detail@entry=0) at ../../../gobject/gsignal.c:3551
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 
0x7fffffffdcf0, reg_save_area = 0x7fffffffdc30}}
#32 0x00007ffff77a6d04 in gtk_widget_event_internal 
(widget=widget@entry=0x555556420e40 [GtkListBox], 
event=event@entry=0x7fffd4003f10) at ../../../../gtk/gtkwidget.c:7808
        signal_num = <optimized out>
        return_val = <optimized out>
        handled = 0
        __func__ = "gtk_widget_event_internal"
#33 0x00007ffff77a8f32 in gtk_widget_event_internal (event=0x7fffd4003f10, 
widget=0x555556420e40 [GtkListBox]) at ../../../../gtk/gtkwidget.c:7379
        return_val = 0
        __func__ = "gtk_widget_event_internal"
        __func__ = "gtk_widget_event"
#34 0x00007ffff7659e00 in propagate_event_up (topmost=<optimized out>, 
event=<optimized out>, widget=0x555556420e40 [GtkListBox]) at 
../../../../gtk/gtkmain.c:2597
        tmp = <optimized out>
        handled_event = <optimized out>
        handled_event = 0
#35 propagate_event (widget=widget@entry=0x555556420e40 [GtkListBox], 
event=event@entry=0x7fffd4003f10, captured=captured@entry=0, 
topmost=topmost@entry=0x0) at ../../../../gtk/gtkmain.c:2700
        handled_event = 0
#36 0x00007ffff765b15f in gtk_propagate_event 
(widget=widget@entry=0x555556420e40 [GtkListBox], 
event=event@entry=0x7fffd4003f10) at ../../../../gtk/gtkmain.c:2734
        __func__ = "gtk_propagate_event"
#37 0x00007ffff765ba63 in gtk_main_do_event (event=0x7fffd4003f10) at 
../../../../gtk/gtkmain.c:1920
        grab_widget = <optimized out>
        window_group = <optimized out>
        rewritten_event = <optimized out>
        device = 0x555555ac2000 [GdkX11DeviceXI2]
        tmp_list = <optimized out>
        event_widget = <optimized out>
        topmost_widget = <optimized out>
        __func__ = "gtk_main_do_event"
        __func__ = "gtk_main_do_event"
#38 gtk_main_do_event (event=<optimized out>) at ../../../../gtk/gtkmain.c:1690
        __func__ = "gtk_main_do_event"
#39 0x00007ffff7344785 in _gdk_event_emit (event=event@entry=0x7fffd4003f10) at 
../../../../gdk/gdkevents.c:73
#40 0x00007ffff73782e2 in gdk_event_source_dispatch (source=<optimized out>, 
callback=<optimized out>, user_data=<optimized out>) at 
../../../../../gdk/x11/gdkeventsource.c:367
        display = <optimized out>
        event = 0x7fffd4003f10
#41 0x00007ffff7c87e6b in g_main_dispatch (context=0x555555ac0c50) at 
../../../glib/gmain.c:3325
        dispatch = 0x7ffff73782c0 <gdk_event_source_dispatch>
        prev_source = 0x0
        begin_time_nsec = 0
        was_in_call = 0
        user_data = 0x0
        callback = 0x0
        cb_funcs = <optimized out>
        cb_data = <optimized out>
        need_destroy = <optimized out>
        source = 0x555555abfd70
        current = 0x555555b3ef30
        i = 0
        __func__ = "g_main_dispatch"
#42 g_main_context_dispatch (context=0x555555ac0c50) at 
../../../glib/gmain.c:4043
#43 0x00007ffff7c88118 in g_main_context_iterate 
(context=context@entry=0x555555ac0c50, block=block@entry=1, 
dispatch=dispatch@entry=1, self=<optimized out>) at ../../../glib/gmain.c:4119
        max_priority = 2147483647
        timeout = 369
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = <optimized out>
        fds = 0x5555567d6640
#44 0x00007ffff7c881cf in g_main_context_iteration 
(context=context@entry=0x555555ac0c50, may_block=may_block@entry=1) at 
../../../glib/gmain.c:4184
        retval = <optimized out>
#45 0x00007ffff7e9e545 in g_application_run (application=0x555556324140 
[CcApplication], argc=-8412, argc@entry=1, argv=argv@entry=0x7fffffffe098) at 
../../../gio/gapplication.c:2559
        arguments = 0x555556323700
        status = 0
        context = 0x555555ac0c50
        acquired_context = <optimized out>
        __func__ = "g_application_run"
#46 0x00005555555ac644 in main (argc=<optimized out>, argv=<optimized out>) at 
../shell/main.c:65
        application = 0x555556324140

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