meaning of this smb.log content

Hi,

Using Openpli 4, i've done an only upgrade arounde 20h24,

While checking my /tmp/ folder i have found smb.log file and want to try to understand its content as it contains some lines about machine password change being refused.

[2014/01/24 20:27:45, 1] lib/account_pol.c:account_policy_get(286)
  account_policy_get: tdb_fetch_uint32 failed for field 1 (min password length), returning 0
[2014/01/24 20:27:45, 1] lib/account_pol.c:account_policy_get(286)
  account_policy_get: tdb_fetch_uint32 failed for field 2 (password history), returning 0
[2014/01/24 20:27:45, 1] lib/account_pol.c:account_policy_get(286)
  account_policy_get: tdb_fetch_uint32 failed for field 3 (user must logon to change password), returning 0
[2014/01/24 20:27:45, 1] lib/account_pol.c:account_policy_get(286)
  account_policy_get: tdb_fetch_uint32 failed for field 4 (maximum password age), returning 0
[2014/01/24 20:27:45, 1] lib/account_pol.c:account_policy_get(286)
  account_policy_get: tdb_fetch_uint32 failed for field 5 (minimum password age), returning 0
[2014/01/24 20:27:45, 1] lib/account_pol.c:account_policy_get(286)
  account_policy_get: tdb_fetch_uint32 failed for field 6 (lockout duration), returning 0
[2014/01/24 20:27:45, 1] lib/account_pol.c:account_policy_get(286)
  account_policy_get: tdb_fetch_uint32 failed for field 7 (reset count minutes), returning 0
[2014/01/24 20:27:45, 1] lib/account_pol.c:account_policy_get(286)
  account_policy_get: tdb_fetch_uint32 failed for field 8 (bad lockout attempt), returning 0
[2014/01/24 20:27:45, 1] lib/account_pol.c:account_policy_get(286)
  account_policy_get: tdb_fetch_uint32 failed for field 9 (disconnect time), returning 0
[2014/01/24 20:27:45, 1] lib/account_pol.c:account_policy_get(286)
  account_policy_get: tdb_fetch_uint32 failed for field 10 (refuse machine password change), returning 0
[2014/01/24 20:27:45, 0] /home/gertjan/openpli-oe-core.upstream/build/tmp/work/mips32el-oe-linux/samba/3.0.37-r9/samba-3.0.37/source/lib/pidfile.c:pidfile_create(112)
  ERROR: smbd is already running. File /var/run/smbd.pid exists and process id 397 is running.
[2014/01/24 21:32:55, 0] printing/pcap.c:pcap_cache_reload(159)
  Unable to open printcap file /etc/printcap for read!
[2014/01/24 21:32:55, 0] printing/pcap.c:pcap_cache_reload(159)
  Unable to open printcap file /etc/printcap for read!

If someone can help me to understand.

Thank you