. Thread 4 (Thread 1177): #0 0x00007fc208734f2b in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #1 0x00007fc207b834d5 in ?? () from /usr/lib/x86_64-linux-gnu/libgthread-2.0.so.0 No symbol table info available. #2 0x00007fc2078abd7f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007fc2078ac5d1 in g_async_queue_timed_pop () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #4 0x00007fc2078fe697 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007fc2078fc256 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #6 0x00007fc20872fd8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #7 0x00007fc2075d31bd in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #8 0x0000000000000000 in ?? () No symbol table info available. . Thread 3 (Thread 1178): #0 0x00007fc2075c6073 in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007fc2078d6d68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007fc2078d7592 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007fc20829c6f6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #4 0x00007fc2078fc256 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007fc20872fd8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #6 0x00007fc2075d31bd 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 1179): #0 0x00007fc208734bac in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #1 0x00007fc20371d53f in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 No symbol table info available. #2 0x00007fc20371eaaf in xcb_wait_for_reply () from /usr/lib/x86_64-linux-gnu/libxcb.so.1 No symbol table info available. #3 0x00007fc206d629ad in _XReply () from /usr/lib/x86_64-linux-gnu/libX11.so.6 No symbol table info available. #4 0x00007fc206db3893 in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6 No symbol table info available. #5 0x00007fc206db395e in XkbGetUpdatedMap () from /usr/lib/x86_64-linux-gnu/libX11.so.6 No symbol table info available. #6 0x00007fc206db3a3d in XkbGetMap () from /usr/lib/x86_64-linux-gnu/libX11.so.6 No symbol table info available. #7 0x00007fc1f34f85ba in ?? () from /usr/lib/gnome-settings-daemon-3.0/liba11y-keyboard.so No symbol table info available. #8 0x00007fc1f34f86e0 in ?? () from /usr/lib/gnome-settings-daemon-3.0/liba11y-keyboard.so No symbol table info available. #9 0x00007fc1f34f8c7c in ?? () from /usr/lib/gnome-settings-daemon-3.0/liba11y-keyboard.so No symbol table info available. #10 0x00007fc207f98d54 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #11 0x00007fc207faabbb in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #12 0x00007fc207fb41c7 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #13 0x00007fc207fb4392 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #14 0x00007fc208279f21 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #15 0x00007fc2082b91b0 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #16 0x00007fc207f98d54 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #17 0x00007fc207faa9f4 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #18 0x00007fc207fb4056 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #19 0x00007fc207fb4392 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #20 0x00007fc20827ac07 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #21 0x00007fc208277a6b in g_settings_backend_changed_tree () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #22 0x00007fc1fb5fb72c in ?? () from /usr/lib/gio/modules/libdconfsettings.so No symbol table info available. #23 0x00007fc208246661 in g_simple_async_result_complete () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #24 0x00007fc20828e354 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #25 0x00007fc208246661 in g_simple_async_result_complete () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #26 0x00007fc20824679c in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #27 0x00007fc2078d685d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #28 0x00007fc2078d7058 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #29 0x00007fc2078d7592 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #30 0x00007fc1fb5faa0b in ?? () from /usr/lib/gio/modules/libdconfsettings.so No symbol table info available. #31 0x00007fc2078fc256 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #32 0x00007fc20872fd8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #33 0x00007fc2075d31bd in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #34 0x0000000000000000 in ?? () No symbol table info available. . Thread 1 (Thread 1173): #0 0x00007fc207520c45 in raise () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007fc2075249f6 in abort () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #2 0x00007fc207519705 in __assert_fail () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #3 0x00007fc206d61fe1 in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6 No symbol table info available. #4 0x00007fc206d62071 in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6 No symbol table info available. #5 0x00007fc206d626fd in _XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6 No symbol table info available. #6 0x00007fc206d531fd in XPending () from /usr/lib/x86_64-linux-gnu/libX11.so.6 No symbol table info available. #7 0x00007fc2072b356a in ?? () from /usr/lib/libgdk-3.so.0 No symbol table info available. #8 0x00007fc2078d5df2 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #9 0x00007fc2078d6bfd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #10 0x00007fc2078d7592 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #11 0x00007fc208aabdcd in gtk_main () from /usr/lib/libgtk-3.so.0 No symbol table info available. #12 0x00000000004036a2 in main () No symbol table info available.