GNU gdb (Gentoo 7.6.2 p1) 7.6.2
Copyright (C) 2013 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-pc-linux-gnu".
For bug reporting instructions, please see:
<http://bugs.gentoo.org/>...
Reading symbols from /usr/sbin/xl...Reading symbols from /usr/lib64/debug/usr/sbin/xl.debug...done.
done.
(gdb) run
Starting program: /usr/sbin/xl create pfsense -c
warning: no loadable sections found in added symbol-file system-supplied DSO at 0x7ffff7ffa000
warning: Could not load shared library symbols for linux-vdso.so.1.
Do you need "set solib-search-path" or "set sysroot"?
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Parsing config from pfsense
xc: info: VIRTUAL MEMORY ARRANGEMENT:
  Loader:        0000000000100000->00000000001c12a4
  Modules:       0000000000000000->0000000000000000
  TOTAL:         0000000000000000->000000001f800000
  ENTRY ADDRESS: 0000000000100000
xc: info: PHYSICAL MEMORY ALLOCATION:
  4KB PAGES: 0x0000000000000200
  2MB PAGES: 0x00000000000000fb
  1GB PAGES: 0x0000000000000000
[New Thread 0x7ffff7ff5700 (LWP 13464)]
[New Thread 0x7ffff7fe6700 (LWP 13574)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7ffff7fe6700 (LWP 13574)]
0x00007ffff5882b64 in ?? () from /usr/lib/gcc/x86_64-pc-linux-gnu/4.8.3/libgcc_s.so.1
(gdb) bt
#0  0x00007ffff5882b64 in ?? () from /usr/lib/gcc/x86_64-pc-linux-gnu/4.8.3/libgcc_s.so.1
#1  0x00007ffff58835cc in ?? () from /usr/lib/gcc/x86_64-pc-linux-gnu/4.8.3/libgcc_s.so.1
#2  0x00007ffff5883945 in ?? () from /usr/lib/gcc/x86_64-pc-linux-gnu/4.8.3/libgcc_s.so.1
#3  0x00007ffff58845c6 in ?? () from /usr/lib/gcc/x86_64-pc-linux-gnu/4.8.3/libgcc_s.so.1
#4  0x00007ffff588494c in _Unwind_ForcedUnwind () from /usr/lib/gcc/x86_64-pc-linux-gnu/4.8.3/libgcc_s.so.1
#5  0x00007ffff731a733 in __pthread_unwind () from /lib64/libpthread.so.0
#6  0x00007ffff7311b49 in sigcancel_handler () from /lib64/libpthread.so.0
#7  <signal handler called>
#8  0x00007ffff731ae4d in read () from /lib64/libpthread.so.0
#9  0x00007ffff6b17b53 in read (__nbytes=16, __buf=0x7fffe80008d0, __fd=18) at /usr/include/bits/unistd.h:44
#10 read_all (fd=18, data=data@entry=0x7fffe80008d0, len=len@entry=16, nonblocking=nonblocking@entry=0) at xs.c:374
#11 0x00007ffff6b17c94 in read_message (h=h@entry=0x555555785670, nonblocking=nonblocking@entry=0) at xs.c:1139
#12 0x00007ffff6b18626 in read_thread (arg=0x555555785670) at xs.c:1211
#13 0x00007ffff731332d in start_thread () from /lib64/libpthread.so.0
#14 0x00007ffff704a19d in clone () from /lib64/libc.so.6
(gdb)