[Samba] Smbd dumps core while starting

[Dish]

Only looking for file server solution. export LIBPATH=/opt/samba/lib
/opt/samba/sbin/smbd –D 
 
cat  smb.conf
[global]
security = ads 
password server = *
workgroup = ABC.NET
username map = /etc/opt/samba/users.map
encrypt passwords = yes
client ntlmv2 auth = yes
client lanman auth = no
client plaintext auth = no
lanman auth = no
ntlm auth = no
server signing = auto
max protocol = SMB2
;Enter hostname for samba server on next line
server string = aix123
wins proxy = no
wins support = no
preferred master = no
domain master = no
local master = no
browse list = no
case sensitive = yes
hide dot files = No
log file = /var/opt/samba/log.%m
lock directory = /var/opt/samba/locks
pid directory = /var/opt/samba/locks