Travando processos

Pessoal estou com um problema onde tenho uma aplicação cobol rodando e alguns processos estão ficando travado, se alguém tiver uma luz.

Segue o meu smb.conf

[global]
netbios name = SERVER
workgroup = SERVERDOMAIN
server string = Servidor SAMBA
encrypt passwords = yes
wins support = yes
dns proxy = no
use spnego = no
preferred master = yes
local master = yes
domain master = yes
keep alive = 20
logon path =
idmap uid = 16777216-33554431
idmap gid = 16777216-33554431
template shell = /bin/false
domain logons = yes
logon script = %U.bat
security = user
encrypt passwords = yes
username map = /etc/samba/smbusers
unix password sync = yes
passwd program = /usr/bin/passwd %u
passwd chat = *New*password* %n\n *Retype*new*password* %n\n *passwd:*all*authentication*tokens*updated*successfully*
smb passwd file = /etc/samba/smbpasswd
socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192
time server = yes
log level = 1
log file = /var/log/samba/%m.log
max log size = 1000
add machine script = /usr/sbin/adduser -n -r -g machines -c "Samba machine" -d /dev/null -s /bin/false %u
unix charset = iso-8859-1
display charset = cp850
debug level = 1
passdb backend = smbpasswd
interfaces = eth0
os level = 80
follow symlinks = yes
wide links = yes
admin users = root
kernel oplocks = no
oplocks = no
level2 oplocks = no
lock spin count = 50
lock spin time = 25
[SYSTEM]
path=/home/System
comment=Diretorio de sistema
writeable=yes
browseable=no
create mask = 0777
directory mask = 0777
veto oplock files = /*.DAT/*.dat/*.IDX/*.idx/*.BAT/*.bat/*.MFC/*.mfc/*.EXE/*.exe/*.SRC/*.src/*.TMP/*.tmp/*.dll/*.DLL/