I can't get sms working with samba, I always got the login error (5).

About my configuration

This is the beginning of testparm result
Code:
Load smb config files from /etc/samba/smb.conf
rlimit_max: increasing rlimit_max (1024) to minimum Windows limit (16384)
Processing section "[PS2]"
Loaded services file OK.
Server role: ROLE_STANDALONE
I've attached my SMS.smb, my ifconfig result and testparm results.ps2smb.7z
Code:
[global]
	netbios name = SERVEUR
	server string = SERVEUR server
	interfaces = lo, eth1, 192.168.1.0/24
	bind interfaces only = Yes
	obey pam restrictions = Yes
	pam password change = Yes
	passwd program = /usr/bin/passwd %u
	passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* .
	unix password sync = Yes
	syslog = 0
	log file = /var/log/samba/log.%m
	max log size = 1000
	dns proxy = No
	panic action = /usr/share/samba/panic-action %d

[PS2]
	comment = PS2SMB
	path = /home
	valid users = testsmb
	guest ok = Yes
My samba version is the sid stock version
When I type
Code:
smbclient -L //SERVEUR -U testsmb
on my latop, I got a password asking prompt then here is the result with the right password
Code:
Domain=[WORKGROUP] OS=[Unix] Server=[Samba 3.5.9]

	Sharename       Type      Comment
	---------       ----      -------
	PS2             Disk      PS2SMB
	IPC$            IPC       IPC Service (SERVEUR server)
Domain=[WORKGROUP] OS=[Unix] Server=[Samba 3.5.9]

	Server               Comment
	---------            -------
	SERVEUR              SERVEUR server

	Workgroup            Master
	---------            -------
	WORKGROUP            SERVEUR
With
Code:
smbclient -L //SERVEUR -U guest
and no password I get
Code:
Anonymous login successful
Domain=[WORKGROUP] OS=[Unix] Server=[Samba 3.5.9]

	Sharename       Type      Comment
	---------       ----      -------
	PS2             Disk      PS2SMB
	IPC$            IPC       IPC Service (SERVEUR server)
Anonymous login successful
Domain=[WORKGROUP] OS=[Unix] Server=[Samba 3.5.9]

	Server               Comment
	---------            -------
	SERVEUR              SERVEUR server

	Workgroup            Master
	---------            -------
	WORKGROUP            SERVEUR
My SMS.smb
Code:
192.168.2.20
SERVEUR
Playstation2
testsmb
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