.
Thread 4 (Thread 0x7f0c6658a700 (LWP 1478)):
#0  0x00007f0c6cfdd773 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f0c6d2ebac8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f0c6d2ec2f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f0c6dcb9516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f0c6d311086 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f0c6e14bedc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007f0c6cfe989d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (Thread 0x7f0c67795700 (LWP 1476)):
#0  0x00007f0c6e1503ab in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x00007f0c6d59f4d5 in ?? () from /usr/lib/x86_64-linux-gnu/libgthread-2.0.so.0
No symbol table info available.
#2  0x00007f0c6d2c014f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f0c6d3135e1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f0c6d311086 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f0c6e14bedc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007f0c6cfe989d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7f0c6554d700 (LWP 1479)):
#0  0x00007f0c6e1530bd in read () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x00007f0c69177f1d in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
No symbol table info available.
#2  0x00007f0c691783f8 in xcb_poll_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
No symbol table info available.
#3  0x00007f0c6c77c099 in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#4  0x00007f0c6c77cc28 in _XReply () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#5  0x00007f0c6c7cba01 in XkbGetControls () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#6  0x00007f0c5d0b65c7 in ?? () from /usr/lib/gnome-settings-daemon-3.0/liba11y-keyboard.so
No symbol table info available.
#7  0x00007f0c5d0b66c0 in ?? () from /usr/lib/gnome-settings-daemon-3.0/liba11y-keyboard.so
No symbol table info available.
#8  0x00007f0c5d0b6c5c in ?? () from /usr/lib/gnome-settings-daemon-3.0/liba11y-keyboard.so
No symbol table info available.
#9  0x00007f0c6d9b4dea in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#10 0x00007f0c6d9c813b in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#11 0x00007f0c6d9d1757 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#12 0x00007f0c6d9d1922 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#13 0x00007f0c6dc965a1 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#14 0x00007f0c6aaaea14 in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#15 0x00007f0c6aaae435 in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#16 0x00007f0c6d9b5357 in g_cclosure_marshal_generic () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#17 0x00007f0c6d9b4dea in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#18 0x00007f0c6d9c7f74 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#19 0x00007f0c6d9d15e6 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#20 0x00007f0c6d9d1922 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#21 0x00007f0c6dc97267 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#22 0x00007f0c6dc9406b in g_settings_backend_changed_tree () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#23 0x00007f0c6659072c in ?? () from /usr/lib/gio/modules/libdconfsettings.so
No symbol table info available.
#24 0x00007f0c6dc62a61 in g_simple_async_result_complete () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#25 0x00007f0c6dcaadaf in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#26 0x00007f0c6dc62a61 in g_simple_async_result_complete () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#27 0x00007f0c6dc62b9c in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#28 0x00007f0c6d2eb5bd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#29 0x00007f0c6d2ebdb8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#30 0x00007f0c6d2ec2f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#31 0x00007f0c6658fa0b in ?? () from /usr/lib/gio/modules/libdconfsettings.so
No symbol table info available.
#32 0x00007f0c6d311086 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#33 0x00007f0c6e14bedc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#34 0x00007f0c6cfe989d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#35 0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7f0c6ebe7940 (LWP 1473)):
#0  0x00007f0c6cf3e3a5 in raise () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f0c6cf41b0b in abort () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007f0c6cf36d4d in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#3  0x00007f0c6c77bb29 in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#4  0x00007f0c6c77cc6c in _XReply () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#5  0x00007f0c6c7781a3 in XSync () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#6  0x00007f0c5d0b6852 in ?? () from /usr/lib/gnome-settings-daemon-3.0/liba11y-keyboard.so
No symbol table info available.
#7  0x00007f0c5d0b6c5c in ?? () from /usr/lib/gnome-settings-daemon-3.0/liba11y-keyboard.so
No symbol table info available.
#8  0x00007f0c6d9b4e94 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#9  0x00007f0c6d9c813b in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#10 0x00007f0c6d9d1757 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#11 0x00007f0c6d9d1922 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#12 0x00007f0c6dc965a1 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#13 0x00007f0c6aaaea14 in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#14 0x00007f0c6aaae435 in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#15 0x00007f0c6d9b5357 in g_cclosure_marshal_generic () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#16 0x00007f0c6d9b4e94 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#17 0x00007f0c6d9c7f74 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#18 0x00007f0c6d9d15e6 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#19 0x00007f0c6d9d1922 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#20 0x00007f0c6dc97267 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#21 0x00007f0c6dc934ba in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#22 0x00007f0c6d2edae5 in g_main_context_invoke_full () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#23 0x00007f0c6dc935cc in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#24 0x00007f0c6dc93c5d in g_settings_backend_keys_changed () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#25 0x00007f0c66590497 in ?? () from /usr/lib/gio/modules/libdconfsettings.so
No symbol table info available.
#26 0x00007f0c6dc916f0 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#27 0x00007f0c5d0b781a in ?? () from /usr/lib/gnome-settings-daemon-3.0/liba11y-keyboard.so
No symbol table info available.
#28 0x00007f0c6cccd961 in ?? () from /usr/lib/libgdk-3.so.0
No symbol table info available.
#29 0x00007f0c6cccdaf0 in ?? () from /usr/lib/libgdk-3.so.0
No symbol table info available.
#30 0x00007f0c6cca1021 in gdk_display_get_event () from /usr/lib/libgdk-3.so.0
No symbol table info available.
#31 0x00007f0c6cccd7e2 in ?? () from /usr/lib/libgdk-3.so.0
No symbol table info available.
#32 0x00007f0c6d2eb5bd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#33 0x00007f0c6d2ebdb8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#34 0x00007f0c6d2ec2f2 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#35 0x00007f0c6e4c700d in gtk_main () from /usr/lib/libgtk-3.so.0
No symbol table info available.
#36 0x0000000000403742 in main ()
No symbol table info available.