[2014/08/13 05:37:06.927160,  0] ../lib/util/fault.c:72(fault_report)
  ===============================================================
[2014/08/13 05:37:06.927237,  0] ../lib/util/fault.c:73(fault_report)
  INTERNAL ERROR: Signal 11 in pid 10327 (4.1.11)
  Please read the Trouble-Shooting section of the Samba HOWTO
[2014/08/13 05:37:06.927282,  0] ../lib/util/fault.c:75(fault_report)
  ===============================================================
[2014/08/13 05:37:06.927314,  0] ../source3/lib/util.c:785(smb_panic_s3)
  PANIC (pid 10327): internal error
[2014/08/13 05:37:06.928355,  0] ../source3/lib/util.c:896(log_stack_trace)
  BACKTRACE: 32 stack frames:
   #0 /usr/local/samba4/lib/libsmbconf.so.0(log_stack_trace+0x1f) [0x7f4329b7daab]
   #1 /usr/local/samba4/lib/libsmbconf.so.0(smb_panic_s3+0x6e) [0x7f4329b7d8f9]
   #2 /usr/local/samba4/lib/libsamba-util.so.0(smb_panic+0x28) [0x7f432b7f6fc8]
   #3 /usr/local/samba4/lib/libsamba-util.so.0(+0x1ccab) [0x7f432b7f6cab]
   #4 /usr/local/samba4/lib/libsamba-util.so.0(+0x1ccc0) [0x7f432b7f6cc0]
   #5 /lib/x86_64-linux-gnu/libpthread.so.0(+0xfcb0) [0x7f432ba27cb0]
   #6 /usr/local/samba4/lib/private/libsmbd_base.so(+0x1a249d) [0x7f432b3e849d]
   #7 /usr/local/samba4/lib/private/libsmbd_base.so(+0x1a291f) [0x7f432b3e891f]
   #8 /usr/local/samba4/lib/private/libsmbd_base.so(name_to_8_3+0x97) [0x7f432b3e7133]
   #9 /usr/local/samba4/lib/private/libsmbd_base.so(+0x101267) [0x7f432b347267]
   #10 /usr/local/samba4/lib/private/libsmbd_base.so(smbd_dirptr_lanman2_entry+0x26e) [0x7f432b3495e4]
   #11 /usr/local/samba4/lib/private/libsmbd_base.so(+0x10376f) [0x7f432b34976f]
   #12 /usr/local/samba4/lib/private/libsmbd_base.so(+0x10450c) [0x7f432b34a50c]
   #13 /usr/local/samba4/lib/private/libsmbd_base.so(+0x1196e0) [0x7f432b35f6e0]
   #14 /usr/local/samba4/lib/private/libsmbd_base.so(reply_trans2+0xe5c) [0x7f432b3608e2]
   #15 /usr/local/samba4/lib/private/libsmbd_base.so(+0x14e6c9) [0x7f432b3946c9]
   #16 /usr/local/samba4/lib/private/libsmbd_base.so(+0x14e875) [0x7f432b394875]
   #17 /usr/local/samba4/lib/private/libsmbd_base.so(+0x14f9b5) [0x7f432b3959b5]
   #18 /usr/local/samba4/lib/private/libsmbd_base.so(+0x150c19) [0x7f432b396c19]
   #19 /usr/local/samba4/lib/private/libsmbd_base.so(+0x150d03) [0x7f432b396d03]
   #20 /usr/local/samba4/lib/libsmbconf.so.0(run_events_poll+0x542) [0x7f4329b9a717]
   #21 /usr/local/samba4/lib/libsmbconf.so.0(+0x3f9e4) [0x7f4329b9a9e4]
   #22 /usr/local/samba4/lib/private/libtevent.so.0(_tevent_loop_once+0xf8) [0x7f432b038f5f]
   #23 /usr/local/samba4/lib/private/libsmbd_base.so(smbd_process+0x1335) [0x7f432b39a1bd]
   #24 /usr/local/samba4/sbin/smbd(+0x9acd) [0x7f432be63acd]
   #25 /usr/local/samba4/lib/libsmbconf.so.0(run_events_poll+0x542) [0x7f4329b9a717]
   #26 /usr/local/samba4/lib/libsmbconf.so.0(+0x3f9e4) [0x7f4329b9a9e4]
   #27 /usr/local/samba4/lib/private/libtevent.so.0(_tevent_loop_once+0xf8) [0x7f432b038f5f]
   #28 /usr/local/samba4/sbin/smbd(+0xa714) [0x7f432be64714]
   #29 /usr/local/samba4/sbin/smbd(main+0x14a1) [0x7f432be65d07]
   #30 /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xed) [0x7f43283ee78d]
   #31 /usr/local/samba4/sbin/smbd(+0x5879) [0x7f432be5f879]
[2014/08/13 05:37:06.928838,  0] ../source3/lib/dumpcore.c:317(dump_core)
  dumping core in /usr/local/samba4/var/cores/smbd
[2014/08/13 05:37:07.784411,  1] ../source3/smbd/server.c:456(remove_child_pid)
  Scheduled cleanup of brl and lock database after unclean shutdown
[2014/08/13 05:37:27.802415,  1] ../source3/smbd/server.c:409(cleanup_timeout_fn)
  Cleaning up brl and lock database after unclean shutdown