. Thread 2 (Thread 0x7ffb517e7700 (LWP 21158)): #0 0x00007ffb5abfd8a0 in pthread_rwlock_unlock () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #1 0x00007ffb57e1f9f1 in g_weak_ref_get () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #2 0x00007ffb52f34eec in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #3 0x00007ffb52f3c4bb in g_bus_get_sync () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #4 0x00007ffb517ee555 in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so No symbol table info available. #5 0x00007ffb517ee69d in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so No symbol table info available. #6 0x00007ffb57953ab5 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #7 0x00007ffb57953de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #8 0x00007ffb57953ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #9 0x00007ffb517ee4ad in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so No symbol table info available. #10 0x00007ffb57977645 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #11 0x00007ffb5abf9e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #12 0x00007ffb5b400dbd in setfsuid () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #13 0x0000000000000000 in ?? () No symbol table info available. . Thread 1 (Thread 0x7ffb5bc3a700 (LWP 21157)): #0 0x00007ffb5795ac7f in g_logv () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #1 0x00007ffb5795ae42 in g_log () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007ffb52f241bf in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #3 0x00007ffb52f243cc in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #4 0x00007ffb52f27812 in g_settings_get_value () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #5 0x00007ffb52f28523 in g_settings_get_boolean () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #6 0x00007ffb51a00a49 in ?? () No symbol table info available. #7 0x0000000002b3b730 in ?? () No symbol table info available. #8 0x00007ffb57990c61 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #9 0x00000000029a4dc0 in ?? () No symbol table info available. #10 0x0000000002b3b730 in ?? () No symbol table info available. #11 0x00007ffb53bfdb90 in gtk_list_store_insert_with_valuesv () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 No symbol table info available. #12 0x0000000000000000 in ?? () No symbol table info available.