[dark@Night ~]% gdb /usr/bin/spacefm
GNU gdb (GDB) 7.4.1
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-unknown-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/bin/spacefm...done.
(gdb) run
Starting program: /usr/bin/spacefm 
Traceback (most recent call last):
  File "/usr/share/gdb/auto-load/usr/lib/libgobject-2.0.so.0.3200.2-gdb.py", line 9, in <module>
    from gobject import register
  File "/usr/share/glib-2.0/gdb/gobject.py", line 3, in <module>
    import gdb.backtrace
ImportError: No module named backtrace
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/libthread_db.so.1".

** (spacefm:29898): WARNING **: No root settings found in /etc/spacefm/  Setting a root editor in Preferences should remove this warning on startup.   Otherwise commands run as root may present a security risk.
[New Thread 0x7fffec7e3700 (LWP 29902)]
[Thread 0x7fffec7e3700 (LWP 29902) exited]
[New Thread 0x7fffec7e3700 (LWP 29913)]
[New Thread 0x7fffebafb700 (LWP 29914)]
[New Thread 0x7fffeb2fa700 (LWP 29915)]
[New Thread 0x7fffeaaf9700 (LWP 29916)]
[Thread 0x7fffec7e3700 (LWP 29913) exited]
[Thread 0x7fffeaaf9700 (LWP 29916) exited]
[Thread 0x7fffebafb700 (LWP 29914) exited]

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff57b3bca in __strcmp_sse42 () from /lib/libc.so.6
(gdb) bt
#0  0x00007ffff57b3bca in __strcmp_sse42 () from /lib/libc.so.6
#1  0x0000000000487a69 in on_response (dlg=0x1003330, 
    response=<optimized out>, user_data=<optimized out>) at pref-dialog.c:603
#2  0x00007ffff6ba42e9 in g_cclosure_marshal_VOID(int0_t, void) ()
   from /usr/lib/libgobject-2.0.so.0
#3  0x00007ffff6ba2193 in ?? () from /usr/lib/libgobject-2.0.so.0
#4  0x00007ffff6bba806 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#5  0x00007ffff6bbb052 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#6  0x00007ffff6ba2193 in ?? () from /usr/lib/libgobject-2.0.so.0
#7  0x00007ffff6bba806 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#8  0x00007ffff6bbb052 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#9  0x00007ffff7839705 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#10 0x00007ffff6ba2193 in ?? () from /usr/lib/libgobject-2.0.so.0
#11 0x00007ffff6bba806 in g_signal_emit_valist ()
   from /usr/lib/libgobject-2.0.so.0
#12 0x00007ffff6bbb052 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#13 0x00007ffff783852d in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#14 0x00007ffff78e20f8 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#15 0x00007ffff6ba1eb4 in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#16 0x00007ffff6bb2cc0 in ?? () from /usr/lib/libgobject-2.0.so.0
#17 0x00007ffff6bbaadb in g_signal_em#18 0x00007ffff6bbb052 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#19 0x00007ffff79fb171 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#20 0x00007ffff78e0283 in gtk_propagate_event ()
   from /usr/lib/libgtk-x11-2.0.so.0
#21 0x00007ffff78e05e3 in gtk_main_do_event ()
   from /usr/lib/libgtk-x11-2.0.so.0
#22 0x00007ffff755584c in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#23 0x00007ffff66e34b5 in g_main_context_dispatch ()
   from /usr/lib/libglib-2.0.so.0
#24 0x00007ffff66e37e8 in ?? () from /usr/lib/libglib-2.0.so.0
#25 0x00007ffff66e3be2 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#26 0x00007ffff78df637 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#27 0x0000000000464376 in main (argc=1, argv=0x7fffffffe688) at main.c:884
it_valist ()