[2007/07/04 00:39:30, 0] lib/fault.c:fault_report(41)
  ===============================================================
[2007/07/04 00:39:30, 0] lib/fault.c:fault_report(42)
  INTERNAL ERROR: Signal 6 in pid 47551 (3.0.25a)
  Please read the Trouble-Shooting section of the Samba3-HOWTO
[2007/07/04 00:39:30, 0] lib/fault.c:fault_report(44)

  From: http://www.samba.org/samba/docs/Samba3-HOWTO.pdf
[2007/07/04 00:39:30, 0] lib/fault.c:fault_report(45)
  ===============================================================
[2007/07/04 00:39:30, 0] lib/util.c:smb_panic(1632)
  PANIC (pid 47551): internal error
[2007/07/04 00:39:30, 0] lib/util.c:log_stack_trace(1786)
  unable to produce a stack trace on this platform
[2007/07/04 00:39:30, 0] lib/fault.c:dump_core(181)
  dumping core in /var/log/samba/cores/smbd