Hello, The log are from 2.6.43.8-1.fc15.x86_64. I see also the error CIFS VFS: Unexpected SMB signature with the same environnement on a 3.6.6-1.fc16.x86_64 Thanks, Serge > Message du 04/12/12 20:06 > De : "Steve French" > A : "sergio.conrad" > Copie à : linux-cifs@xxxxxxxxxxxxxxx > Objet : Re: CIFS VFS: Unexpected SMB signature ...NULL inode in lookup > > What kernel version? > > I would not expect the "noserverino" mount option to be a factor. > Jeff did fix one warning relating to unexpected signatures in this > patch, see below (which I don't think is your issue (if the signature > is coming on a transact2 request). > > commit 9c4843ea576107a3c1fb94f2f758f198e9fe9e54 > Author: Jeff Layton > Date: Mon Jun 6 15:40:23 2011 -0400 > > cifs: silence printk when establishing first session on socket > > When signing is enabled, the first session that's established on a > socket will cause a printk like this to pop: > > CIFS VFS: Unexpected SMB signature > > This is because the key exchange hasn't happened yet, so the signature > field is bogus. Don't try to check the signature on the socket until the > first session has been established. Also, eliminate the specific check > for SMB_COM_NEGOTIATE since this check covers that case too. > > > On Tue, Dec 4, 2012 at 7:23 AM, sergio.conrad wrote: > > Hi, > > > > I have a problem with users losing their connections from linux clients with cifs share. (Windows 2008) :CIFS VFS: Unexpected SMB signature > > I am using two methods for mounting: pam_mount and autofs, both with same results. > > > > I am using mount options nounix,noserverino > > > > I am lauching cifs module on boot (rc.local) with > > modprobe cifs > > echo 0 > /proc/fs/cifs/OplockEnabled > > echo 1 > /proc/fs/cifs/MultiuserMount > > echo 7 > /proc/fs/cifs/cifsFYI > > > > What happens : > > in /var/log/messages > > ===================== > > Dec 3 17:31:01 u1205-08l kernel: [ 3732.140040] CIFS VFS: Unexpected lookup error -512 > > Dec 3 17:31:01 u1205-08l kernel: [ 3732.334939] CIFS VFS: Unexpected SMB signature > > > > This user was working since one hour with no problem : > > Daemon log : > > ============= > > Dec 3 16:29:35 u1205-08l cifs.upcall: key description: cifs.spnego;0;0;3f000000 > > ;ver=0x2;host=figue;ip4=130.xxx.xxx.xxx;sec=krb5;uid=0x1000005;creduid=0x1000005;us > > er=21206xxx;pid=0x65f > > Dec 3 16:29:35 u1205-08l cifs.upcall: ver=2 > > Dec 3 16:29:35 u1205-08l cifs.upcall: host=figue > > Dec 3 16:29:35 u1205-08l cifs.upcall: ip=130.120.8.11 > > Dec 3 16:29:35 u1205-08l cifs.upcall: sec=1 > > Dec 3 16:29:35 u1205-08l cifs.upcall: uid=16777221 > > Dec 3 16:29:35 u1205-08l cifs.upcall: creduid=16777221 > > Dec 3 16:29:35 u1205-08l cifs.upcall: user=21206xxx > > Dec 3 16:29:35 u1205-08l cifs.upcall: pid=1631 > > Dec 3 16:29:35 u1205-08l cifs.upcall: find_krb5_cc: considering /tmp/krb5cc_167 > > 77221 > > Dec 3 16:29:35 u1205-08l cifs.upcall: find_krb5_cc: FILE:/tmp/krb5cc_16777221 i > > s valid ccache > > > > in dmesg > > ========= > > fs/cifs/inode.c: Getting info on \21206xxx\TP9 > > [ 3735.419612] fs/cifs/transport.c: For smb_command 50 > > [ 3735.419615] fs/cifs/transport.c: Sending smb: total_len 104 > > [ 3735.420257] fs/cifs/connect.c: RFC1002 header 0x23 > > [ 3735.420261] fs/cifs/connect.c: invalid transact2 word count > > [ 3735.422403] fs/cifs/transport.c: cifs_sync_mid_result: cmd=50 mid=37012 state=4 > > [ 3735.422406] CIFS VFS: Unexpected SMB signature > > [ 3735.422408] Status code returned 0xc0000022 NT_STATUS_ACCESS_DENIED > > [ 3735.422411] fs/cifs/netmisc.c: Mapping smb error code 0xc0000022 to POSIX err -13 > > [ 3735.422413] fs/cifs/cifssmb.c: Send error in QPathInfo = -13 > > [ 3735.422415] fs/cifs/dir.c: CIFS VFS: leaving cifs_lookup (xid = 76854) rc = -13 > > [ 3735.422424] fs/cifs/dir.c: CIFS VFS: in cifs_lookup as Xid: 76855 with uid: 16777221 > > [ 3735.422427] fs/cifs/dir.c: parent inode = 0xf14481f0 name is: TP9 and dentry = 0xf074e300 > > [ 3735.422429] fs/cifs/dir.c: NULL inode in lookup > > [ 3735.422430] fs/cifs/dir.c: Full path: \21206xxx\TP9 inode = 0x (null) > > > > I don't understand what happens... > > NULL inode in lookup ... What about noserverino option ? > > Perhaps an unresponsive server... The network infrastructure is old. Last year I got this working very well, but the server was in a better place (switch and network infrastructure speaking) > > > > Regards, > > Thanks in advance > > Serge Conrad > > > > Une messagerie gratuite, garantie à vie et des services en plus, ça vous tente ? > > Je crée ma boîte mail www.laposte.net > > -- > > To unsubscribe from this list: send the line "unsubscribe linux-cifs" in > > the body of a message to majordomo@xxxxxxxxxxxxxxx > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > > > -- > Thanks, > > Steve > -- > To unsubscribe from this list: send the line "unsubscribe linux-cifs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Une messagerie gratuite, garantie à vie et des services en plus, ça vous tente ? Je crée ma boîte mail www.laposte.net -- To unsubscribe from this list: send the line "unsubscribe linux-cifs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
