.
Thread 5 (Thread 0x7fa6fb4d4700 (LWP 1708)):
#0  0x00007fa6fc883c3f in __GI___poll (fds=0x559121bc25b0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007fa6fc9e60be in g_main_context_iterate.isra () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fa6fc9e61f3 in g_main_context_iteration () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fa6fc9e6241 in glib_worker_main () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fa6fca0f851 in g_thread_proxy () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fa6fc968669 in start_thread (arg=<optimized out>) at pthread_create.c:479
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140355157444352, 664292527638443746, 140736887151214, 140736887151215, 140736887151360, 140355157441600, -687366210646051102, -687375474804394270}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#6  0x00007fa6fc890333 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 4 (Thread 0x7fa6dbfff700 (LWP 2025)):
#0  0x00007fa6fc883c3f in __GI___poll (fds=0x7fa6d0037e10, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007fa6e1d371c6 in poll_func () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#2  0x00007fa6e1d28831 in pa_mainloop_poll () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#3  0x00007fa6e1d28eb3 in pa_mainloop_iterate () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#4  0x00007fa6e1d28f60 in pa_mainloop_run () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#5  0x00007fa6e1d3710d in thread () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libpulse.so.0
No symbol table info available.
#6  0x00007fa6e1cd536c in internal_thread_func () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.0.so
No symbol table info available.
#7  0x00007fa6fc968669 in start_thread (arg=<optimized out>) at pthread_create.c:479
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140354632283904, 664292527638443746, 140736887150030, 140736887150031, 140736887150032, 140354632281152, -687435048771258654, -687375474804394270}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#8  0x00007fa6fc890333 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 3 (Thread 0x7fa6f9c74700 (LWP 1712)):
#0  0x00007fa6fc883c3f in __GI___poll (fds=0x559121be94e0, nfds=1, timeout=25000) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007fa6fc9e60be in g_main_context_iterate.isra () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fa6fc9e61f3 in g_main_context_iteration () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fa6fde0c99d in dconf_gdbus_worker_thread (user_data=0x559121be9610) at ../gdbus/dconf-gdbus-thread.c:82
        context = 0x559121be9610
#4  0x00007fa6fca0f851 in g_thread_proxy () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fa6fc968669 in start_thread (arg=<optimized out>) at pthread_create.c:479
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140355131885312, 664292527638443746, 140736887148238, 140736887148239, 140736887148384, 140355131882560, -687369560720541982, -687375474804394270}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#6  0x00007fa6fc890333 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 2 (Thread 0x7fa6fa4d2700 (LWP 1710)):
#0  0x00007fa6fc9e3850 in g_source_set_callback () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#1  0x00007fa6fcbd3714 in g_task_attach_source (task=0x7fa6ec010490, source=0x7fa6f002ae00, callback=0x7fa6fcbd2c30 <complete_in_idle_cb>) at ../../../gio/gtask.c:1618
        __func__ = "g_task_attach_source"
#2  0x00007fa6fcbd37b4 in g_task_return (task=0x7fa6ec010490, type=<optimized out>) at ../../../gio/gtask.c:1293
        source = 0x7fa6f002ae00
#3  0x00007fa6fcc3df2d in write_message_continue_writing (data=data@entry=0x7fa6f003c860) at ../../../gio/gdbusprivate.c:1076
        vector = {buffer = 0x7fa6f0031a00, size = 136}
        control_message = 0x0
        bytes_written = <optimized out>
        error = 0x0
        ostream = 0x559121bbde70
        task = 0x7fa6ec010490
        fd_list = <optimized out>
        __func__ = "write_message_continue_writing"
#4  0x00007fa6fcc3df95 in write_message_async (worker=worker@entry=0x7fa6ec00ccd0, data=data@entry=0x7fa6f003c860, callback=callback@entry=0x7fa6fcc3e670 <write_message_cb>, user_data=user_data@entry=0x7fa6f003c860) at ../../../gio/gdbusprivate.c:1127
No locals.
#5  0x00007fa6fcc3e1cc in continue_writing (worker=0x7fa6ec00ccd0) at ../../../gio/gdbusprivate.c:1531
        old_message = <optimized out>
        new_blob = <optimized out>
        new_blob_size = 140355140655712
        error = 0x7fa6fa4d1a58
        data = 0x7fa6f003c860
        flush_async_data = 0x0
        __func__ = "continue_writing"
        _g_boolean_var_ = <optimized out>
#6  0x00007fa6fcc3e2f1 in continue_writing_in_idle_cb (user_data=<optimized out>) at ../../../gio/gdbusprivate.c:1552
        worker = <optimized out>
#7  0x00007fa6fc9e5d9e in g_main_context_dispatch () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#8  0x00007fa6fc9e6150 in g_main_context_iterate.isra () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#9  0x00007fa6fc9e6443 in g_main_loop_run () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#10 0x00007fa6fcc3ca0a in gdbus_shared_thread_func (user_data=0x7fa6ec00cdb0) at ../../../gio/gdbusprivate.c:279
        data = 0x7fa6ec00cdb0
#11 0x00007fa6fca0f851 in g_thread_proxy () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#12 0x00007fa6fc968669 in start_thread (arg=<optimized out>) at pthread_create.c:479
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140355140658944, 664292527638443746, 140355149048094, 140355149048095, 140355149048240, 140355140656192, -687364010549053726, -687375474804394270}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#13 0x00007fa6fc890333 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 1 (Thread 0x7fa6fba48340 (LWP 1689)):
#0  0x0000559121496c24 in gf_input_source_manager_get_current_source ()
No symbol table info available.
#1  0x000055912149e0d1 in update_button ()
No symbol table info available.
#2  0x00007fa6fcad1802 in g_closure_invoke () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#3  0x00007fa6fcae5814 in signal_emit_unlocked_R () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#4  0x00007fa6fcaf0b9e in g_signal_emit_valist () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#5  0x00007fa6fcaf10d3 in g_signal_emit () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#6  0x0000559121494ead in current_input_source_changed ()
No symbol table info available.
#7  0x0000559121495024 in activate_cb ()
No symbol table info available.
#8  0x00007fa6fcad3d22 in g_cclosure_marshal_VOID__BOOLEANv () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#9  0x00007fa6fcad1a56 in _g_closure_invoke_va () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#10 0x00007fa6fcaf0b28 in g_signal_emit_valist () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#11 0x00007fa6fcaf10d3 in g_signal_emit () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#12 0x0000559121496cea in gf_input_source_manager_active_next_source ()
No symbol table info available.
#13 0x0000559121496dd0 in modifiers_accelerator_activated_cb ()
No symbol table info available.
#14 0x00007fa6fbd29ff5 in ffi_call_unix64 () at ../src/x86/unix64.S:101
No locals.
#15 0x00007fa6fbd2940a in ffi_call_int (cif=<optimized out>, fn=<optimized out>, rvalue=<optimized out>, avalue=<optimized out>, closure=<optimized out>) at ../src/x86/ffi64.c:669
        classes = {X86_64_INTEGER_CLASS, 556, 567054160, 21905}
        stack = <optimized out>
        argp = 0x7fffdc2a59e0 "\006"
        arg_types = <optimized out>
        gprcount = 3
        ssecount = <optimized out>
        ngpr = 1
        nsse = 0
        i = <optimized out>
        avn = <optimized out>
        flags = <optimized out>
        reg_args = <optimized out>
#16 0x00007fa6fcad2806 in g_cclosure_marshal_generic_va () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#17 0x00007fa6fcad1a56 in _g_closure_invoke_va () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#18 0x00007fa6fcaefdd1 in g_signal_emit_valist () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#19 0x00007fa6fcaf10d3 in g_signal_emit () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#20 0x000055912149b224 in filter_func ()
No symbol table info available.
#21 0x00007fa6fcf30f6f in gdk_event_apply_filters () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#22 0x00007fa6fcf3129b in _gdk_x11_display_queue_events () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#23 0x00007fa6fcef9094 in gdk_display_get_event () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#24 0x00007fa6fcf31006 in gdk_event_source_dispatch () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#25 0x00007fa6fc9e5ecd in g_main_context_dispatch () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#26 0x00007fa6fc9e6150 in g_main_context_iterate.isra () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#27 0x00007fa6fc9e6443 in g_main_loop_run () from /tmp/apport_sandbox_gt5ewedu/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#28 0x000055912144f820 in main ()
No symbol table info available.