Breakpoint 1, g_logv (log_domain=0x0, log_level=G_LOG_LEVEL_WARNING, format=0x7fe25c9d29ad "%s", args1=0x7fe24fffeac8) at gmessages.c:661
661	{
(gdb) thread apply all bt

Thread 4 (Thread 0x7fe25d5e6700 (LWP 7386)):
#0  0x00007fe266cda333 in g_source_list_add (source=0x7fe254042e90, context=<optimized out>) at gmain.c:825
#1  g_source_attach_unlocked (source=0x7fe254042e90, context=0x2139040) at gmain.c:872
#2  0x00007fe266cdae36 in g_source_attach (source=0x7fe254042e90, context=0x2139040) at gmain.c:919
#3  0x00007fe26728dedd in schedule_callbacks (connection=0x2125030 [GDBusConnection], signal_data_array=<optimized out>, message=0x7fe25420a990 [GDBusMessage], sender=0x7fe2540413c0 ":1.98") at gdbusconnection.c:3767
#4  0x00007fe26728fe13 in distribute_signals (message=0x7fe25420a990 [GDBusMessage], connection=0x2125030 [GDBusConnection]) at gdbusconnection.c:3809
#5  on_worker_message_received (worker=<optimized out>, message=0x7fe25420a990 [GDBusMessage], user_data=0x2125030) at gdbusconnection.c:2307
#6  0x00007fe2672a3607 in _g_dbus_worker_emit_message_received (message=0x7fe25420a990 [GDBusMessage], worker=0x7fe258009760) at gdbusprivate.c:492
#7  _g_dbus_worker_emit_message_received (message=0x7fe25420a990 [GDBusMessage], worker=0x7fe258009760) at gdbusprivate.c:2230
#8  _g_dbus_worker_queue_or_deliver_received_message (message=0x7fe25420a990 [GDBusMessage], worker=0x7fe258009760) at gdbusprivate.c:520
#9  _g_dbus_worker_do_read_cb (input_stream=<optimized out>, res=<optimized out>, user_data=0x7fe258009760) at gdbusprivate.c:804
#10 0x00007fe267244dd7 in g_simple_async_result_complete (simple=0x7fe2480078f0 [GSimpleAsyncResult]) at gsimpleasyncresult.c:767
#11 0x00007fe267244ed9 in complete_in_idle_cb (data=<optimized out>) at gsimpleasyncresult.c:779
#12 0x00007fe266cdca73 in g_main_dispatch (context=0x7fe258009e80) at gmain.c:2539
#13 g_main_context_dispatch (context=0x7fe258009e80) at gmain.c:3075
#14 0x00007fe266cdcdc0 in g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x7fe258009e80, self=<optimized out>) at gmain.c:3146
#15 g_main_context_iterate (context=0x7fe258009e80, block=<optimized out>, dispatch=1, self=<optimized out>) at gmain.c:3083
#16 0x00007fe266cdd1ba in g_main_loop_run (loop=0x7fe258009e30) at gmain.c:3340
#17 0x00007fe2672a1246 in gdbus_shared_thread_func (user_data=0x7fe258009e50) at gdbusprivate.c:277
#18 0x00007fe266cfe655 in g_thread_proxy (data=0x7fe2580088f0) at gthread.c:801
#19 0x00007fe266a80b99 in start_thread (arg=0x7fe25d5e6700) at pthread_create.c:301
#20 0x00007fe2667c70cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#21 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fe24ffff700 (LWP 7387)):
#0  g_logv (log_domain=0x0, log_level=G_LOG_LEVEL_WARNING, format=0x7fe25c9d29ad "%s", args1=0x7fe24fffeac8) at gmessages.c:661
#1  0x00007fe266ce3ec2 in g_log (log_domain=<optimized out>, log_level=<optimized out>, format=<optimized out>) at gmessages.c:792
#2  0x00007fe25c9d242a in dconf_settings_backend_send_finish (result=0x2b6d6e0, source=<optimized out>) at dconfsettingsbackend.c:224
#3  dconf_settings_backend_outstanding_returned (source=<optimized out>, result=0x2b6d6e0, user_data=0x2578c20) at dconfsettingsbackend.c:272
#4  0x00007fe267244dd7 in g_simple_async_result_complete (simple=0x2b6d6e0 [GSimpleAsyncResult]) at gsimpleasyncresult.c:767
#5  0x00007fe26729359e in g_dbus_connection_call_done (source=<optimized out>, result=<optimized out>, user_data=0x7fe2541368c0) at gdbusconnection.c:5283
#6  0x00007fe267244dd7 in g_simple_async_result_complete (simple=0x2579180 [GSimpleAsyncResult]) at gsimpleasyncresult.c:767
#7  0x00007fe267244ed9 in complete_in_idle_cb (data=<optimized out>) at gsimpleasyncresult.c:779
#8  0x00007fe266cdca73 in g_main_dispatch (context=0x2139040) at gmain.c:2539
#9  g_main_context_dispatch (context=0x2139040) at gmain.c:3075
#10 0x00007fe266cdcdc0 in g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x2139040, self=<optimized out>) at gmain.c:3146
#11 g_main_context_iterate (context=0x2139040, block=<optimized out>, dispatch=1, self=<optimized out>) at gmain.c:3083
#12 0x00007fe266cdd1ba in g_main_loop_run (loop=0x7fe2480010c0) at gmain.c:3340
#13 0x00007fe25c9d19ab in dconf_context_thread (data=<optimized out>) at dconfcontext.c:11
#14 0x00007fe266cfe655 in g_thread_proxy (data=0x2126450) at gthread.c:801
#15 0x00007fe266a80b99 in start_thread (arg=0x7fe24ffff700) at pthread_create.c:301
#16 0x00007fe2667c70cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#17 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fe25e694700 (LWP 10031)):
#0  0x00007fe2667be743 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fe2463f15bf in ?? () from /usr/lib64/libpulse.so.0
#2  0x00007fe2463e29cc in pa_mainloop_poll () from /usr/lib64/libpulse.so.0
#3  0x00007fe2463e3039 in pa_mainloop_iterate () from /usr/lib64/libpulse.so.0
#4  0x00007fe2463e30f0 in pa_mainloop_run () from /usr/lib64/libpulse.so.0
#5  0x00007fe2463f156f in ?? () from /usr/lib64/libpulse.so.0
#6  0x00007fe245f983a8 in ?? () from /usr/lib64/pulseaudio/libpulsecommon-2.0.so
#7  0x00007fe266a80b99 in start_thread (arg=0x7fe25e694700) at pthread_create.c:301
#8  0x00007fe2667c70cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#9  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fe25f955880 (LWP 7382)):
#0  __lll_unlock_wake () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:373
#1  0x00007fe266a839f9 in _L_unlock_554 () from /lib64/libpthread.so.0
#2  0x00007fe266a83991 in __pthread_mutex_unlock_usercnt (mutex=0x2138f10, decr=<optimized out>) at pthread_mutex_unlock.c:52
#3  0x00007fe266d18221 in g_mutex_unlock (mutex=<optimized out>) at gthread-posix.c:227
#4  0x00007fe25c9d2700 in dconf_settings_backend_scan_outstanding (value=<synthetic pointer>, key=0x2a1ac90 "/org/gnome/settings-daemon/peripherals/keyboard/bell-pitch", backend=0x2120420 [DConfSettingsBackend])
    at dconfsettingsbackend.c:433
#5  dconf_settings_backend_read (backend=0x2120420 [DConfSettingsBackend], key=0x2a1ac90 "/org/gnome/settings-daemon/peripherals/keyboard/bell-pitch", expected_type=<optimized out>, default_value=<optimized out>)
    at dconfsettingsbackend.c:450
#6  0x00007fe26727d402 in g_settings_backend_read (backend=<optimized out>, key=<optimized out>, expected_type=0x7fe266d6bdee, default_value=<optimized out>) at gsettingsbackend.c:733
#7  0x00007fe26727fe28 in g_settings_read_from_backend (settings=0x2291400 [GSettings], key=0x7fff449ccf60) at gsettings.c:1028
#8  0x00007fe267281693 in g_settings_get_value (settings=0x2291400 [GSettings], key=0x7fe24ca326ad "bell-pitch") at gsettings.c:1068
#9  0x00007fe2672821f3 in g_settings_get_int (settings=<optimized out>, key=<optimized out>) at gsettings.c:1603
#10 0x00007fe24ca30d00 in apply_settings (settings=0x2291400 [GSettings], key=<optimized out>, manager=0x21be140 [GsdKeyboardManager]) at gsd-keyboard-manager.c:217
#11 0x00007fe266f9cc30 in g_cclosure_marshal_VOID__STRINGv (closure=0x238baf0, return_value=<optimized out>, instance=0x2291400, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x211edc0)
#12 0x00007fe266f99eca in _g_closure_invoke_va (closure=0x238baf0, return_value=0x0, instance=0x2291400, args=0x7fff449cd388, n_params=1, param_types=<optimized out>) at gclosure.c:840
#13 0x00007fe266fb2741 in g_signal_emit_valist (instance=0x2291400, signal_id=<optimized out>, detail=1665, var_args=<optimized out>) at gsignal.c:3207
#14 0x00007fe266fb3242 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at gsignal.c:3352
#15 0x00007fe267280381 in g_settings_real_change_event (settings=0x2291400 [GSettings], keys=<optimized out>, n_keys=1) at gsettings.c:282
#16 0x00007fe263a37ec0 in ffi_call_unix64 () at ../src/x86/unix64.S:75
#17 0x00007fe263a37814 in ffi_call (cif=0x7fff449cd6d0, fn=0x7fe267280330 <g_settings_real_change_event>, rvalue=<optimized out>, avalue=<optimized out>) at ../src/x86/ffi64.c:486
#18 0x00007fe266f9ab16 in g_cclosure_marshal_generic_va (closure=0x211ee90, return_value=0x7fff449cd960, instance=0x2291400, args_list=<optimized out>, marshal_data=0x7fe267280330, n_params=2, param_types=0x211eec0) at gclosure.c:1550
#19 0x00007fe266f99eca in _g_closure_invoke_va (closure=0x211ee90, return_value=0x7fff449cd960, instance=0x2291400, args=0x7fff449cda08, n_params=2, param_types=<optimized out>) at gclosure.c:840
#20 0x00007fe266fb2741 in g_signal_emit_valist (instance=0x2291400, signal_id=<optimized out>, detail=0, var_args=<optimized out>) at gsignal.c:3207
#21 0x00007fe266fb3242 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at gsignal.c:3352
#22 0x00007fe26728069e in settings_backend_changed (target=0x2291400 [GSettings], backend=<optimized out>, key=<optimized out>, origin_tag=<optimized out>) at gsettings.c:336
#23 0x00007fe26727ca1a in g_settings_backend_invoke_closure (user_data=0x7fe24803e280) at gsettingsbackend.c:271
#24 0x00007fe266cdca73 in g_main_dispatch (context=0x211c430) at gmain.c:2539
#25 g_main_context_dispatch (context=0x211c430) at gmain.c:3075
#26 0x00007fe266cdcdc0 in g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x211c430, self=<optimized out>) at gmain.c:3146
#27 g_main_context_iterate (context=0x211c430, block=<optimized out>, dispatch=1, self=<optimized out>) at gmain.c:3083
#28 0x00007fe266cdd1ba in g_main_loop_run (loop=0x223c000) at gmain.c:3340
#29 0x00007fe26769f4ed in gtk_main () at gtkmain.c:1161
#30 0x000000000040386a in main ()