[2014/07/20 16:51:58.998604,  5] passdb/pdb_interface.c:1727(pdb_default_lookup_rids)
  lookup_rids: b8:2
[2014/07/20 16:51:59.000481,  5] passdb/pdb_interface.c:1606(lookup_global_sam_rid)
  lookup_global_sam_rid: looking up RID 10254.
[2014/07/20 16:51:59.001338,  4] passdb/pdb_ldap.c:1675(ldapsam_getsampwsid)
  ldapsam_getsampwsid: Unable to locate SID [S-1-5-21-2887681565-1567014954-3579115003-10254] count=0
[2014/07/20 16:51:59.002153,  2] passdb/pdb_ldap.c:2427(init_group_from_ldap)
  init_group_from_ldap: Entry found for group: 11296
[2014/07/20 16:51:59.006201,  0] lib/fault.c:47(fault_report)
  ===============================================================
[2014/07/20 16:51:59.006293,  0] lib/fault.c:48(fault_report)
  INTERNAL ERROR: Signal 11 in pid 967 (3.6.24)
  Please read the Trouble-Shooting section of the Samba3-HOWTO
[2014/07/20 16:51:59.006357,  0] lib/fault.c:50(fault_report)

  From: http://www.samba.org/samba/docs/Samba3-HOWTO.pdf
[2014/07/20 16:51:59.006410,  0] lib/fault.c:51(fault_report)
  ===============================================================
[2014/07/20 16:51:59.006449,  0] lib/util.c:1117(smb_panic)
  PANIC (pid 967): internal error
[2014/07/20 16:51:59.016930,  0] lib/util.c:1221(log_stack_trace)
  BACKTRACE: 38 stack frames:
   #0 /usr/local/sbin/smbd(log_stack_trace+0x1f) [0x7fa4d0633ff5]
   #1 /usr/local/sbin/smbd(smb_panic+0x6f) [0x7fa4d0633e75]
   #2 /usr/local/sbin/smbd(+0x51f9e6) [0x7fa4d06219e6]
   #3 /usr/local/sbin/smbd(+0x51f9fb) [0x7fa4d06219fb]
   #4 /lib64/libpthread.so.0(+0xf9f0) [0x7fa4ce9a39f0]
   #5 /usr/local/sbin/smbd(tcopy_passwd+0x41) [0x7fa4d0608cb0]
   #6 /usr/local/sbin/smbd(pdb_copy_sam_account+0xd6) [0x7fa4d05b7959]
   #7 /usr/local/sbin/smbd(pdb_getsampwsid+0x118) [0x7fa4d05b93b5]
   #8 /usr/local/sbin/smbd(_samr_OpenUser+0x190) [0x7fa4d04cdd54]
   #9 /usr/local/sbin/smbd(+0x3e1456) [0x7fa4d04e3456]
   #10 /usr/local/sbin/smbd(+0x3f1e39) [0x7fa4d04f3e39]
   #11 /usr/local/sbin/smbd(+0x3f19ff) [0x7fa4d04f39ff]
   #12 /usr/local/sbin/smbd(+0x3f274d) [0x7fa4d04f474d]
   #13 /usr/local/sbin/smbd(process_complete_pdu+0x32e) [0x7fa4d04f4a8b]
   #14 /usr/local/sbin/smbd(process_incoming_data+0x24e) [0x7fa4d04f56ec]
   #15 /usr/local/sbin/smbd(+0x3f37f7) [0x7fa4d04f57f7]
   #16 /usr/local/sbin/smbd(np_write_send+0x12e) [0x7fa4d04f6141]
   #17 /usr/local/sbin/smbd(+0x1d8a2b) [0x7fa4d02daa2b]
   #18 /usr/local/sbin/smbd(smbd_smb2_request_process_write+0x5da) [0x7fa4d02da252]
   #19 /usr/local/sbin/smbd(smbd_smb2_request_dispatch+0x904) [0x7fa4d02cc287]
   #20 /usr/local/sbin/smbd(+0x1ccda3) [0x7fa4d02ceda3]
   #21 /usr/local/sbin/smbd(+0x1cc74e) [0x7fa4d02ce74e]
   #22 /usr/local/sbin/smbd(+0x2aa876) [0x7fa4d03ac876]
   #23 /usr/local/sbin/smbd(+0x2aa385) [0x7fa4d03ac385]
   #24 /usr/local/sbin/smbd(+0x2aa5af) [0x7fa4d03ac5af]
   #25 /usr/local/sbin/smbd(+0x2a9901) [0x7fa4d03ab901]
   #26 /usr/lib64/libtevent.so.0(tevent_common_loop_immediate+0xd4) [0x7fa4ce57d834]
   #27 /usr/local/sbin/smbd(run_events_poll+0x56) [0x7fa4d064691b]
   #28 /usr/local/sbin/smbd(+0x1aeadc) [0x7fa4d02b0adc]
   #29 /usr/local/sbin/smbd(smbd_process+0xc04) [0x7fa4d02b5b0d]
   #30 /usr/local/sbin/smbd(+0x936f8b) [0x7fa4d0a38f8b]
   #31 /usr/local/sbin/smbd(run_events_poll+0x73e) [0x7fa4d0647003]
   #32 /usr/local/sbin/smbd(+0x545255) [0x7fa4d0647255]
   #33 /usr/lib64/libtevent.so.0(_tevent_loop_once+0x8d) [0x7fa4ce57d00d]
   #34 /usr/local/sbin/smbd(+0x937a6e) [0x7fa4d0a39a6e]
   #35 /usr/local/sbin/smbd(main+0x10ae) [0x7fa4d0a3ab7f]
   #36 /lib64/libc.so.6(__libc_start_main+0xf5) [0x7fa4cddc2be5]
   #37 /usr/local/sbin/smbd(+0x104d29) [0x7fa4d0206d29]
[2014/07/20 16:51:59.017636,  0] lib/util.c:1122(smb_panic)
  smb_panic(): calling panic action [/bin/sleep 999999]
[2014/07/20 18:52:25.789902,  2] lib/smbldap.c:1018(smbldap_open_connection)
  smbldap_open_connection: connection opened
[2014/07/20 18:52:26.411393,  2] passdb/pdb_ldap.c:553(init_sam_from_ldap)
  init_sam_from_ldap: Entry found for user: a174$
[2014/07/20 18:52:26.430776,  5] passdb/login_cache.c:47(login_cache_init)
  Opening cache file at /usr/local/samba/var/locks/login_cache.tdb
[2014/07/20 18:52:26.434805,  2] passdb/pdb_ldap.c:2427(init_group_from_ldap)
  init_group_from_ldap: Entry found for group: 10004
[2014/07/20 18:52:26.435099,  5] passdb/pdb_interface.c:1606(lookup_global_sam_rid)
  lookup_global_sam_rid: looking up RID 10086.
[2014/07/20 18:52:26.439668,  4] passdb/pdb_ldap.c:1675(ldapsam_getsampwsid)