samba-3.3.14 smbpasswd Failed to open account policy database!

error info

[WNDR4700]# smbpasswd -D 10 -a admin

Netbios name list:-

my_netbios_names[0]="READYSHARE"

Attempting to register passdb backend smbpasswd

Successfully added passdb backend 'smbpasswd'

Attempting to register passdb backend tdbsam

Successfully added passdb backend 'tdbsam'

Attempting to find a passdb backend to match smbpasswd (smbpasswd)

Found pdb backend smbpasswd

pdb backend smbpasswd has a valid init

New SMB password:

Retype new SMB password:

getsampwnam (smbpasswd): search by name: admin

startsmbfilepwent_internal: opening file /etc/samba/smbpasswd

getsmbfilepwent: end of file reached.

endsmbfilepwent_internal: closed password file.

pdb_set_username: setting username admin, was

pdb_set_full_name: setting full name Linux User,,,, was

pdb_set_domain: setting domain READYSHARE, was

Home server: readyshare

pdb_set_profile_path: setting profile path \\readyshare\admin\profile, was

Home server: readyshare

pdb_set_homedir: setting home dir \\readyshare\admin, was

pdb_set_dir_drive: setting dir drive , was NULL

pdb_set_logon_script: setting logon script , was

pdb_set_user_sid: setting user sid S-1-5-21-3790056449-4000932859-1007183176-2000

pdb_set_user_sid_from_rid:

        setting user sid S-1-5-21-3790056449-4000932859-1007183176-2000 from rid 2000

tdb(unnamed): tdb_open_ex: could not open file /usr/var/locks/account_policy.tdb: No such file or directory

Could not open tdb: No such file or directory

tdb(unnamed): tdb_open_ex: could not open file /usr/var/locks/account_policy.tdb: No such file or directory

Could not open tdb: No such file or directory

Failed to open account policy database

Failed to set password for user admin.

Failed to modify password entry for user admin

log info

[WNDR4700]# cat log.nmbd

[2012/11/27 06:18:03,  0] nmbd/nmbd.c:main(850)

  nmbd version 3.3.14 started.

  Copyright Andrew Tridgell and the Samba Team 1992-2009

[2012/11/27 06:18:03,  0] lib/messages_local.c:messaging_tdb_init(96)

  ERROR: Failed to initialise messages database: No such file or directory

[2012/11/27 06:18:03,  0] lib/messages.c:messaging_init(204)

  messaging_tdb_init failed: NT_STATUS_OBJECT_NAME_NOT_FOUND

[2012/11/27 06:18:03,  0] nmbd/nmbd.c:nmbd_messaging_context(60)

  Could not init nmbd messaging context.