Samba is stopped

Samba is stopped
/usr/sbin/smbd is not running but /var/run/ exists

/etc/init.d/samba start
Unable to continue: /usr/sbin/nmbd is running  [WARN]                                                                                                      
Starting smbd...   [ OK ]
tarting winbind...  [WARN] 

/etc/init.d/samba status
nmbd is running with Process ID(s) 3425 3424.
/usr/sbin/smbd is not running but /var/run/ exists.
winbindd is running with Process ID(s) 3469 3467 3440 3439.

Try to restart samba and check /var/log/messages maybee there is in information why smbd is terminated or crashed.

/etc/init.d/samba restart

Appreciate. The error is generated by the option guest account = samba
I had deleted the user samba. I created the samba user again. It works.

Jul 15 08:53:17 srvfw smbd[3616]: ERROR: failed to setup guest info.
Jul 15 08:53:13 srvfw winbindd[2929]: Got sig[15] terminate (is_parent=1)