
Thread 5 (Thread 0x7f4a7e658700 (LWP 20579)):
#0  0x00007f4aa26f609d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f4aa2f25896 in g_main_context_iterate (priority=<optimized out>, n_fds=6, fds=0x7f4a7401fa10, timeout=<optimized out>, context=0x7f4a78013960) at ././glib/gmain.c:4226
        poll_func = 0x7f4aa2f353d0 <g_poll>
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 6
        allocated_nfds = 8
        fds = 0x7f4a7401fa10
#2  0x00007f4aa2f25896 in g_main_context_iterate (context=0x7f4a78013960, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3922
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 6
        allocated_nfds = 8
        fds = 0x7f4a7401fa10
#3  0x00007f4aa2f25c22 in g_main_loop_run (loop=0x7f4a780138f0) at ././glib/gmain.c:4123
        __func__ = "g_main_loop_run"
#4  0x00007f4aa350b4f6 in gdbus_shared_thread_func (user_data=0x7f4a78013930) at ././gio/gdbusprivate.c:247
        data = 0x7f4a78013930
#5  0x00007f4aa2f4cf05 in g_thread_proxy (data=0x140a720) at ././glib/gthread.c:784
        thread = 0x140a720
#6  0x00007f4aa29c0444 in start_thread (arg=0x7f4a7e658700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f4a7e658700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139957924890368, -4562470194247004888, 0, 139957941671935, 3, 139957817653552, 4483937348473163048, 4484350133932363048}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f4aa26ff20d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f4a7ee59700 (LWP 20578)):
#0  0x00007f4aa26f609d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f4aa2f25896 in g_main_context_iterate (priority=<optimized out>, n_fds=2, fds=0x7f4a700008c0, timeout=<optimized out>, context=0x7f4a78013160) at ././glib/gmain.c:4226
        poll_func = 0x7f4aa2f353d0 <g_poll>
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 2
        allocated_nfds = 2
        fds = 0x7f4a700008c0
#2  0x00007f4aa2f25896 in g_main_context_iterate (context=context@entry=0x7f4a78013160, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3922
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 2
        allocated_nfds = 2
        fds = 0x7f4a700008c0
#3  0x00007f4aa2f259ac in g_main_context_iteration (context=0x7f4a78013160, may_block=may_block@entry=1) at ././glib/gmain.c:3988
        retval = <optimized out>
#4  0x00007f4aa2f259f1 in glib_worker_main (data=<optimized out>) at ././glib/gmain.c:5781
#5  0x00007f4aa2f4cf05 in g_thread_proxy (data=0x140a6d0) at ././glib/gthread.c:784
        thread = 0x140a6d0
#6  0x00007f4aa29c0444 in start_thread (arg=0x7f4a7ee59700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f4a7ee59700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139957933283072, -4562470194247004888, 0, 139957941671583, 3, 0, 4483936249498406184, 4484350133932363048}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f4aa26ff20d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f4a7f65a700 (LWP 20577)):
#0  0x00007f4aa26f609d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f4aa2f25896 in g_main_context_iterate (priority=<optimized out>, n_fds=1, fds=0x7f4a780010e0, timeout=<optimized out>, context=0x140d5e0) at ././glib/gmain.c:4226
        poll_func = 0x7f4aa2f353d0 <g_poll>
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x7f4a780010e0
#2  0x00007f4aa2f25896 in g_main_context_iterate (context=context@entry=0x140d5e0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3922
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x7f4a780010e0
#3  0x00007f4aa2f259ac in g_main_context_iteration (context=0x140d5e0, may_block=1) at ././glib/gmain.c:3988
        retval = <optimized out>
#4  0x00007f4a7f66241d in  () at /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
#5  0x00007f4aa2f4cf05 in g_thread_proxy (data=0x140a0f0) at ././glib/gthread.c:784
        thread = 0x140a0f0
#6  0x00007f4aa29c0444 in start_thread (arg=0x7f4a7f65a700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f4a7f65a700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139957941675776, -4562470194247004888, 0, 140723510403743, 3, 21026272, 4483939548570160424, 4484350133932363048}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f4aa26ff20d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f4a80514700 (LWP 20576)):
#0  0x00007f4aa29c607f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f4a8da7204c in std::condition_variable::wait(std::unique_lock<std::mutex>&) (__mutex=<optimized out>, __cond=<optimized out>) at /build/gcc-6-4nfnFV/gcc-6-6.1.1/build/x86_64-linux-gnu/libstdc++-v3/include/x86_64-linux-gnu/bits/gthr-default.h:864
        __e = <optimized out>
#2  0x00007f4a8da7204c in std::condition_variable::wait(std::unique_lock<std::mutex>&) (this=<optimized out>, __lock=...) at ../../../../../src/libstdc++-v3/src/c++11/condition_variable.cc:53
        __e = <optimized out>
#3  0x00007f4a9f2401d6 in bmalloc::AsyncTask<bmalloc::Heap, void (bmalloc::Heap::*)()>::threadRunLoop() () at /usr/lib/x86_64-linux-gnu/libjavascriptcoregtk-4.0.so.18
#4  0x00007f4a9f240309 in  () at /usr/lib/x86_64-linux-gnu/libjavascriptcoregtk-4.0.so.18
#5  0x00007f4a8da7798f in std::execute_native_thread_routine(void*) (__p=0x13bab40) at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:83
        __t = std::unique_ptr<std::thread::_State> containing 0x13bab40
#6  0x00007f4aa29c0444 in start_thread (arg=0x7f4a80514700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f4a80514700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139957957117696, -4562470194247004888, 0, 140723510405231, 3, 0, 4484416630316174632, 4484350133932363048}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f4aa26ff20d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f4aaa636ac0 (LWP 20574)):
#0  0x00007f4aa322185d in g_type_check_instance_is_fundamentally_a (type_instance=type_instance@entry=0x27dca00, fundamental_type=fundamental_type@entry=80) at ././gobject/gtype.c:4024
#1  0x00007f4aa3201b05 in g_object_unref (_object=0x27dca00) at ././gobject/gobject.c:3082
        _g_boolean_var_ = <optimized out>
        object = 0x27dca00
#2  0x00007f4aa2ef9a4b in g_ptr_array_foreach (array=0x15c6020, func=0x44bcd0 <g_object_unref@plt>, user_data=0x0) at ././glib/garray.c:1502
        i = 0
#3  0x00007f4aa2ef9ae0 in ptr_array_free (array=0x15c6020, flags=FREE_SEGMENT) at ././glib/garray.c:1088
        rarray = 0x15c6020
        segment = <optimized out>
#4  0x0000000000529df4 in  ()
#5  0x0000000000514eea in  ()
#9  0x00007f4aa3217fcf in <emit signal ??? on instance 0x1c45bc0 [CEPageIP4]> (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at ././gobject/gsignal.c:3447
Python Exception <class 'gdb.error'> Attempt to dereference a generic pointer.: 
#13 0x00007f4aa321847b in <emit signal 0x7f4aa4cc182f "changed" on instance 0x1d39dc0 [GtkEntry]> (instance=instance@entry=0x1d39dc0, detailed_signal=detailed_signal@entry=0x7f4aa4cc182f "changed") at ././gobject/gsignal.c:3487
Python Exception <class 'gdb.error'> Attempt to dereference a generic pointer.: 
#14 0x00007f4aa4a541f1 in end_change (entry=0x1d39dc0 [GtkEntry]) at ././gtk/gtkentry.c:2864
        editable = 0x1d39dc0
        priv = 0x1d39b40
#15 0x00007f4aa4a587ae in gtk_entry_real_insert_text (editable=0x1d39dc0, new_text=<optimized out>, new_text_length=<optimized out>, position=0x7ffcbed95674) at ././gtk/gtkentry.c:5306
        n_inserted = 1
        n_chars = 1
#19 0x00007f4aa321847b in <emit signal 0x7f4aa4caf137 "insert-text" on instance 0x1d39dc0 [GtkEntry]> (instance=instance@entry=0x1d39dc0, detailed_signal=detailed_signal@entry=0x7f4aa4caf137 "insert-text") at ././gobject/gsignal.c:3487
Python Exception <class 'gdb.error'> Attempt to dereference a generic pointer.: 
#20 0x00007f4aa4a52f85 in gtk_entry_insert_text (editable=0x1d39dc0, new_text=0x27ae340 "1", new_text_length=1, position=0x7ffcbed95674) at ././gtk/gtkentry.c:5080
#21 0x00007f4aa4a5c7c3 in gtk_entry_commit_cb (str=0x27ae340 "1", entry=0x1d39dc0 [GtkEntry]) at ././gtk/gtkentry.c:6037
        priv = 0x1d39b40
        editable = 0x1d39dc0
        tmp_pos = 10
        old_need_im_reset = <optimized out>
        priv = 0x1d39b40
#22 0x00007f4aa4a5c7c3 in gtk_entry_commit_cb (context=<optimized out>, str=0x27ae340 "1", entry=0x1d39dc0 [GtkEntry]) at ././gtk/gtkentry.c:5953
        priv = 0x1d39b40
#23 0x00007f4aa31ff9f4 in g_cclosure_marshal_VOID__STRINGv (closure=0x1a24100, return_value=<optimized out>, instance=0x1e50530, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x1a772a0) at ././gobject/gmarshal.c:1794
        cc = 0x1a24100
        data1 = <optimized out>
        data2 = <optimized out>
        callback = <optimized out>
        arg0 = 0x27ae340
Python Exception <class 'gdb.error'> Attempt to dereference a generic pointer.: 
#24 0x00007f4aa31fd1b4 in _g_closure_invoke_va (closure=closure@entry=0x1a24100, return_value=return_value@entry=0x0, instance=instance@entry=0x1e50530, args=args@entry=0x7ffcbed95968, n_params=<optimized out>, param_types=0x1a772a0) at ././gobject/gclosure.c:867
        marshal = <optimized out>
        marshal_data = <optimized out>
        in_marshal = 0
        real_closure = 0x1a240e0
        __func__ = "_g_closure_invoke_va"
#25 0x00007f4aa32178dd in g_signal_emit_valist (instance=instance@entry=0x1e50530, signal_id=signal_id@entry=301, detail=detail@entry=0, var_args=var_args@entry=0x7ffcbed95968) at ././gobject/gsignal.c:3300
        return_accu = <optimized out>
        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}}}
        accumulator = 0x0
        emission = {next = 0x7ffcbed95c10, instance = 0x1e50530, ihint = {signal_id = 301, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 27777024}
        signal_id = <optimized out>
        instance_type = <optimized out>
        emission_return = {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}}}
        rtype = 4
        static_scope = 0
        fastpath_handler = <optimized out>
        closure = <optimized out>
        run_type = <optimized out>
        l = <optimized out>
        fastpath = <optimized out>
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        i = <optimized out>
        n_params = <optimized out>
        __func__ = "g_signal_emit_valist"
#26 0x00007f4aa321847b in g_signal_emit_by_name (instance=0x1e50530, detailed_signal=0x7f4aa4cde379 "commit") at ././gobject/gsignal.c:3487
Python Exception <class 'gdb.error'> Attempt to dereference a generic pointer.: 
#27 0x00007f4aa31ff9f4 in g_cclosure_marshal_VOID__STRINGv (closure=0x1c87d00, return_value=<optimized out>, instance=0x166ee60, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x1a772a0) at ././gobject/gmarshal.c:1794
        cc = 0x1c87d00
        data1 = <optimized out>
        data2 = <optimized out>
        callback = <optimized out>
        arg0 = 0x2769f70
Python Exception <class 'gdb.error'> Attempt to dereference a generic pointer.: 
#28 0x00007f4aa31fd1b4 in _g_closure_invoke_va (closure=closure@entry=0x1c87d00, return_value=return_value@entry=0x0, instance=instance@entry=0x166ee60, args=args@entry=0x7ffcbed95d58, n_params=<optimized out>, param_types=0x1a772a0) at ././gobject/gclosure.c:867
        marshal = <optimized out>
        marshal_data = <optimized out>
        in_marshal = 0
        real_closure = 0x1c87ce0
        __func__ = "_g_closure_invoke_va"
#29 0x00007f4aa32178dd in g_signal_emit_valist (instance=instance@entry=0x166ee60, signal_id=signal_id@entry=301, detail=detail@entry=0, var_args=var_args@entry=0x7ffcbed95d58) at ././gobject/gsignal.c:3300
        return_accu = <optimized out>
        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}}}
        accumulator = 0x0
        emission = {next = 0x7ffcbed96170, instance = 0x166ee60, ihint = {signal_id = 301, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 21473440}
        signal_id = <optimized out>
        instance_type = <optimized out>
        emission_return = {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}}}
        rtype = 4
        static_scope = 0
        fastpath_handler = <optimized out>
        closure = <optimized out>
        run_type = <optimized out>
        l = <optimized out>
        fastpath = <optimized out>
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        i = <optimized out>
        n_params = <optimized out>
        __func__ = "g_signal_emit_valist"
#30 0x00007f4aa321847b in g_signal_emit_by_name (instance=instance@entry=0x166ee60, detailed_signal=detailed_signal@entry=0x7f4aa4cde379 "commit") at ././gobject/gsignal.c:3487
Python Exception <class 'gdb.error'> Attempt to dereference a generic pointer.: 
#31 0x00007f4aa4acace9 in gtk_im_context_simple_commit_char (context=context@entry=0x166ee60 [GtkIMContextSimple], ch=ch@entry=49) at ././gtk/gtkimcontextsimple.c:307
        context_simple = 0x166ee60 [GtkIMContextSimple]
        priv = 0x166ee30
        buf = "1\000\000\000\000\000\000\000\000H"
        len = <optimized out>
        __func__ = "gtk_im_context_simple_commit_char"
#32 0x00007f4aa4acb794 in gtk_im_context_simple_filter_keypress (event=<optimized out>, n_compose=1, context_simple=0x166ee60 [GtkIMContextSimple]) at ././gtk/gtkimcontextsimple.c:927
        priv = 0x166ee30
        context = 0x166ee60 [GtkIMContextSimple]
        ch = 49
        context_simple = 0x166ee60 [GtkIMContextSimple]
        priv = <optimized out>
        display = <optimized out>
        tmp_list = <optimized out>
        n_compose = <optimized out>
        hex_mod_mask = <optimized out>
        have_hex_mods = <optimized out>
        is_hex_start = <optimized out>
        is_hex_end = 0
        is_backspace = 0
        is_escape = <optimized out>
        i = <optimized out>
        compose_finish = 0
        compose_match = 0
        output_char = 0
#33 0x00007f4aa4acb794 in gtk_im_context_simple_filter_keypress (context=<optimized out>, event=<optimized out>) at ././gtk/gtkimcontextsimple.c:1319
        context_simple = 0x166ee60 [GtkIMContextSimple]
        priv = <optimized out>
        display = <optimized out>
        tmp_list = <optimized out>
        n_compose = <optimized out>
        hex_mod_mask = <optimized out>
        have_hex_mods = <optimized out>
        is_hex_start = <optimized out>
        is_hex_end = 0
        is_backspace = 0
        is_escape = <optimized out>
        i = <optimized out>
        compose_finish = 0
        compose_match = 0
        output_char = 0
#34 0x00007f4aa4acd859 in gtk_im_multicontext_filter_keypress (context=<optimized out>, event=0x7f4a68004c80) at ././gtk/gtkimmulticontext.c:359
        multicontext = 0x1e50530 [GtkIMMulticontext]
        slave = <optimized out>
#35 0x00007f4aa4a58154 in gtk_entry_key_press (widget=0x1d39dc0 [GtkEntry], event=0x7f4a68004c80) at ././gtk/gtkentry.c:4810
        entry = 0x1d39dc0 [GtkEntry]
        priv = 0x1d39b40
        retval = 0
#36 0x00007f4aa4af0af1 in _gtk_marshal_BOOLEAN__BOXEDv (closure=0x144bb10, return_value=0x7ffcbed961a0, instance=0x1d39dc0, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x1449380) at ././gtk/gtkmarshalers.c:131
        cc = 0x144bb10
        data1 = <optimized out>
        data2 = <optimized out>
        callback = <optimized out>
        arg0 = 0x7f4a68004c80
Python Exception <class 'gdb.error'> Attempt to dereference a generic pointer.: 
#37 0x00007f4aa31fd102 in _g_closure_invoke_va (closure=closure@entry=0x144bb10, return_value=return_value@entry=0x7ffcbed961a0, instance=instance@entry=0x1d39dc0, args=args@entry=0x7ffcbed96270, n_params=1, param_types=0x1449380) at ././gobject/gclosure.c:867
        marshal = <optimized out>
        marshal_data = <optimized out>
        in_marshal = 1
        real_closure = 0x144baf0
        __func__ = "_g_closure_invoke_va"
#38 0x00007f4aa32173b1 in g_signal_emit_valist (instance=0x1d39dc0, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7ffcbed96270) at ././gobject/gsignal.c:3300
        return_accu = <optimized out>
        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}}}
        accumulator = 0x144bc80
        emission = {next = 0x7ffcbed96570, instance = 0x1d39dc0, ihint = {signal_id = 83, detail = 0, run_type = G_SIGNAL_RUN_LAST}, state = EMISSION_RUN, chain_type = 27781984}
        signal_id = <optimized out>
        instance_type = <optimized out>
        emission_return = {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}}}
        rtype = 20
        static_scope = 0
        fastpath_handler = <optimized out>
        closure = <optimized out>
        run_type = <optimized out>
        l = <optimized out>
        fastpath = <optimized out>
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        i = <optimized out>
        n_params = <optimized out>
        __func__ = "g_signal_emit_valist"
#39 0x00007f4aa3217fcf in g_signal_emit (instance=instance@entry=0x1d39dc0, signal_id=<optimized out>, detail=detail@entry=0) at ././gobject/gsignal.c:3447
Python Exception <class 'gdb.error'> Attempt to dereference a generic pointer.: 
#40 0x00007f4aa4c57b2c in gtk_widget_event_internal (widget=0x1d39dc0 [GtkEntry], event=0x7f4a68004c80) at ././gtk/gtkwidget.c:7719
        signal_num = <optimized out>
        handled = 0
        event = 0x7f4a68004c80
        widget = 0x1d39dc0 [GtkEntry]
#41 0x00007f4aa4c7b9eb in gtk_window_propagate_key_event (window=window@entry=0x1a910e0 [GtkDialog], event=event@entry=0x7f4a68004c80) at ././gtk/gtkwindow.c:7957
        priv = <optimized out>
        handled = 0
        widget = 0x1a910e0 [GtkDialog]
        focus = 0x1d39dc0 [GtkEntry]
        __func__ = "gtk_window_propagate_key_event"
#42 0x00007f4aa4c7faf3 in gtk_window_key_press_event (widget=0x1a910e0 [GtkDialog], event=0x7f4a68004c80) at ././gtk/gtkwindow.c:7990
        window = 0x1a910e0 [GtkDialog]
        handled = <optimized out>
#43 0x00007f4aa4af0af1 in _gtk_marshal_BOOLEAN__BOXEDv (closure=0x144bb10, return_value=0x7ffcbed965a0, instance=0x1a910e0, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x1449380) at ././gtk/gtkmarshalers.c:131
        cc = 0x144bb10
        data1 = <optimized out>
        data2 = <optimized out>
        callback = <optimized out>
        arg0 = 0x7f4a68004c80
Python Exception <class 'gdb.error'> Attempt to dereference a generic pointer.: 
#44 0x00007f4aa31fd1b4 in _g_closure_invoke_va (closure=closure@entry=0x144bb10, return_value=return_value@entry=0x7ffcbed965a0, instance=instance@entry=0x1a910e0, args=args@entry=0x7ffcbed96670, n_params=<optimized out>, param_types=0x1449380) at ././gobject/gclosure.c:867
        marshal = <optimized out>
        marshal_data = <optimized out>
        in_marshal = 0
        real_closure = 0x144baf0
        __func__ = "_g_closure_invoke_va"
#45 0x00007f4aa32173b1 in g_signal_emit_valist (instance=0x1a910e0, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7ffcbed96670) at ././gobject/gsignal.c:3300
        return_accu = <optimized out>
        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}}}
        accumulator = 0x144bc80
        emission = {next = 0x0, instance = 0x1a910e0, ihint = {signal_id = 83, detail = 0, run_type = G_SIGNAL_RUN_LAST}, state = EMISSION_RUN, chain_type = 22017024}
        signal_id = <optimized out>
        instance_type = <optimized out>
        emission_return = {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}}}
        rtype = 20
        static_scope = 0
        fastpath_handler = <optimized out>
        closure = <optimized out>
        run_type = <optimized out>
        l = <optimized out>
        fastpath = <optimized out>
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        i = <optimized out>
        n_params = <optimized out>
        __func__ = "g_signal_emit_valist"
#46 0x00007f4aa3217fcf in g_signal_emit (instance=instance@entry=0x1a910e0, signal_id=<optimized out>, detail=detail@entry=0) at ././gobject/gsignal.c:3447
Python Exception <class 'gdb.error'> Attempt to dereference a generic pointer.: 
#47 0x00007f4aa4c57b2c in gtk_widget_event_internal (widget=0x1a910e0 [GtkDialog], event=0x7f4a68004c80) at ././gtk/gtkwidget.c:7719
        signal_num = <optimized out>
        handled = 0
        event = 0x7f4a68004c80
        widget = 0x1a910e0 [GtkDialog]
#48 0x00007f4aa4aed859 in propagate_event (widget=0x1a910e0 [GtkDialog], event=0x7f4a68004c80, captured=<optimized out>, topmost=0x0) at ././gtk/gtkmain.c:2654
        window = 0x1a910e0 [GtkDialog]
        handled_event = <optimized out>
#49 0x00007f4aa4aef938 in gtk_main_do_event (event=0x7f4a68004c80) at ././gtk/gtkmain.c:1884
        event_widget = <optimized out>
        grab_widget = <optimized out>
        topmost_widget = <optimized out>
        window_group = 0x1c37040 [GtkWindowGroup]
        rewritten_event = <optimized out>
        device = 0x144ac40 [GdkX11DeviceXI2]
        tmp_list = <optimized out>
        __func__ = "gtk_main_do_event"
#50 0x00007f4aa45ca2b5 in _gdk_event_emit (event=event@entry=0x7f4a68004c80) at ././gdk/gdkevents.c:73
#51 0x00007f4aa45fe192 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 = 0x7f4a68004c80
#52 0x00007f4aa2f25697 in g_main_context_dispatch (context=0x140a970) at ././glib/gmain.c:3201
        dispatch = 0x7f4aa45fe170 <gdk_event_source_dispatch>
        prev_source = 0x0
        was_in_call = 0
        user_data = 0x0
        callback = 0x0
        cb_funcs = <optimized out>
        cb_data = <optimized out>
        need_destroy = <optimized out>
        source = 0x143f860
        current = 0x1481980
        i = 0
#53 0x00007f4aa2f25697 in g_main_context_dispatch (context=context@entry=0x140a970) at ././glib/gmain.c:3854
#54 0x00007f4aa2f25900 in g_main_context_iterate (context=context@entry=0x140a970, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3927
        max_priority = 2147483647
        timeout = 1137
        some_ready = 1
        nfds = 3
        allocated_nfds = 3
        fds = <optimized out>
#55 0x00007f4aa2f259ac in g_main_context_iteration (context=context@entry=0x140a970, may_block=may_block@entry=1) at ././glib/gmain.c:3988
        retval = <optimized out>
#56 0x00007f4aa34df71d in g_application_run (application=0x164c330 [CcApplication], argc=2, argv=0x7ffcbed96b08) at ././gio/gapplication.c:2381
        arguments = 0x1addbb0
        status = 0
        context = 0x140a970
        acquired_context = <optimized out>
        __func__ = "g_application_run"
#57 0x000000000044ceb7 in main ()
