autant pour moi 
$ ps xa | grep nmbd
21417 ? Ss 0:00 /usr/sbin/nmbd -D
21476 pts/0 S+ 0:00 grep nmbd
$ ps xa | grep smbd
21478 pts/0 S+ 0:00 grep smbd
contenu de log.smdb
[2008/01/11 16:28:19, 0] smbd/server.c:main(847)
smbd version 3.0.24 started.
Copyright Andrew Tridgell and the Samba Team 1992-2006
[2008/01/11 16:28:19, 0] passdb/pdb_interface.c:make_pdb_method_name(174)
No builtin nor plugin backend for tdbsam guest found
[2008/01/11 16:28:19, 0] lib/util.c:smb_panic(1599)
PANIC (pid 21419): pdb_get_methods_reload: failed to get pdb methods for backend tdbsam guest
[2008/01/11 16:28:19, 0] lib/util.c:log_stack_trace(1706)
BACKTRACE: 7 stack frames:
#0 /usr/sbin/smbd(log_stack_trace+0x23) [0x822c3c3]
#1 /usr/sbin/smbd(smb_panic+0x46) [0x822c4b6]
#2 /usr/sbin/smbd [0x81eafc1]
#3 /usr/sbin/smbd(initialize_password_db+0xe) [0x81eb00e]
#4 /usr/sbin/smbd(main+0x591) [0x82c2d11]
#5 /lib/tls/libc.so.6(__libc_start_main+0xc8) [0x402a0ea8]
#6 /usr/sbin/smbd [0x8082b11]
[2008/01/11 16:28:19, 0] lib/util.c:smb_panic(1607)
smb_panic(): calling panic action [/usr/share/samba/panic-action 21419]
2008-01-11 16:28:19 Failed to open configuration file /etc/exim/exim.conf
Can’t send mail: sendmail process failed with error code 1
[2008/01/11 16:28:19, 0] lib/util.c:smb_panic(1615)
smb_panic(): action returned status 0
[2008/01/11 16:28:19, 0] lib/fault.c:dump_core(173)
dumping core in /var/log/samba/cores/smbd