.
Thread 3 (Thread 0x7fb05f163700 (LWP 10390)):
#0  0x00007fb079908773 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007fb079e33f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fb079e34792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fb07a5f9516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007fb079e592b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fb079bd9efc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007fb07991489d 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 0x7fb05e2f3700 (LWP 10392)):
#0  0x00007fb079908773 in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007fb079e33f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fb079e34792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fb05e2f89cb in ?? () from /usr/lib/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007fb079e592b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fb079bd9efc in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007fb07991489d 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 1 (Thread 0x7fb07c090940 (LWP 10387)):
#0  0x00007fb05f5b0594 in ?? () from /usr/lib/control-center-1/panels/libuser-accounts.so
No symbol table info available.
#1  0x00007fb05f5bdcbc in ?? () from /usr/lib/control-center-1/panels/libuser-accounts.so
No symbol table info available.
#2  0x00007fb07a2f90a4 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#3  0x00007fb07a30b02a in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#4  0x00007fb07a3146b1 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#5  0x00007fb07a314852 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#6  0x00007fb07a2fbfc7 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#7  0x00007fb07a2fe520 in g_object_notify_by_pspec () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#8  0x00007fb07b822636 in gtk_switch_set_active () from /usr/lib/libgtk-3.so.0
No symbol table info available.
#9  0x00007fb07b8228d9 in ?? () from /usr/lib/libgtk-3.so.0
No symbol table info available.
#10 0x00007fb07b792e58 in ?? () from /usr/lib/libgtk-3.so.0
No symbol table info available.
#11 0x00007fb07a2f90a4 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#12 0x00007fb07a30ae5f in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#13 0x00007fb07a314483 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#14 0x00007fb07a314852 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#15 0x00007fb07b8c0e99 in ?? () from /usr/lib/libgtk-3.so.0
No symbol table info available.
#16 0x00007fb07b79263a in gtk_propagate_event () from /usr/lib/libgtk-3.so.0
No symbol table info available.
#17 0x00007fb07b792a3b in gtk_main_do_event () from /usr/lib/libgtk-3.so.0
No symbol table info available.
#18 0x00007fb07b40b102 in ?? () from /usr/lib/libgdk-3.so.0
No symbol table info available.
#19 0x00007fb079e33a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#20 0x00007fb079e34258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#21 0x00007fb079e34792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#22 0x00007fb07b791e1d in gtk_main () from /usr/lib/libgtk-3.so.0
No symbol table info available.
#23 0x00007fb07a5d0a4e in g_application_run () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#24 0x00007fb07c0bf3bc in main ()
No symbol table info available.