root@lx03-baculasd-ourcustomer:/usr/sbin# gdb ./bacula-sd 
GNU gdb (GDB) 7.0.1-debian
Copyright (C) 2009 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-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/sbin/bacula-sd...(no debugging symbols found)...done.
(gdb) run -s -f -c /etc/bacula/bacula-sd.conf
Starting program: /usr/sbin/bacula-sd -s -f -c /etc/bacula/bacula-sd.conf
[Thread debugging using libthread_db enabled]
[New Thread 0x7ffff4f5b700 (LWP 10666)]
[New Thread 0x7ffff475a700 (LWP 10667)]
[New Thread 0x7ffff3f59700 (LWP 10668)]
[Thread 0x7ffff4f5b700 (LWP 10666) exited]
[Thread 0x7ffff3f59700 (LWP 10668) exited]
[New Thread 0x7ffff3f59700 (LWP 10669)]
[Thread 0x7ffff3f59700 (LWP 10669) exited]
[New Thread 0x7ffff3f59700 (LWP 10671)]
[Thread 0x7ffff3f59700 (LWP 10671) exited]
[New Thread 0x7ffff3f59700 (LWP 10672)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7ffff3f59700 (LWP 10672)]
0x0000000000433f2c in ?? ()
(gdb)  thread apply all bt

Thread 7 (Thread 0x7ffff3f59700 (LWP 10672)):
#0  0x0000000000433f2c in ?? ()
#1  0x0000000000434f82 in ?? ()
#2  0x000000000042172f in ?? ()
#3  0x00007ffff719a869 in workq_server () from /usr/lib/bacula/libbac-5.0.1.so
#4  0x00007ffff668b8ca in start_thread () from /lib/libpthread.so.0
#5  0x00007ffff524392d in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7ffff475a700 (LWP 10667)):
#0  0x00007ffff6690569 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007ffff719a3d8 in watchdog_thread () from /usr/lib/bacula/libbac-5.0.1.so
#2  0x00007ffff668b8ca in start_thread () from /lib/libpthread.so.0
#3  0x00007ffff524392d in clone () from /lib/libc.so.6
#4  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7ffff7feb720 (LWP 10662)):
#0  0x00007ffff523d1a3 in select () from /lib/libc.so.6
#1  0x00007ffff71739f1 in bnet_thread_server(dlist*, int, workq_tag*, void* (*)(void*)) () from /usr/lib/bacula/libbac-5.0.1.so
#2  0x0000000000408b82 in ?? ()
#3  0x00007ffff5192c8d in __libc_start_main () from /lib/libc.so.6
#4  0x0000000000407879 in ?? ()
#5  0x00007fffffffe728 in ?? ()
#6  0x000000000000001c in ?? ()
#7  0x0000000000000005 in ?? ()
#8  0x00007fffffffe95d in ?? ()
#9  0x00007fffffffe971 in ?? ()
#10 0x00007fffffffe974 in ?? ()
#11 0x00007fffffffe977 in ?? ()
#12 0x00007fffffffe97a in ?? ()
#13 0x0000000000000000 in ?? ()