Sorry for top posting. It seems cifs client tries to connect 2 times. dmesg output: VDLinux#> mount -t cifs //107.109.224.147/sharefolder /mnt -o user=a.sangwan -o pass=xxxx -o vers=2.0 [ 2][ 3966.260000] fs/cifs/cifsfs.c: Devname: //107.109.224.147/sharefolder flags: 32768 [ 2][ 3966.260000] fs/cifs/netmisc.c: address conversion returned 1 for 107.109.224.147\sharefolder [ 2][ 3966.260000] fs/cifs/connect.c: Username: a.sangwan [ 2][ 3966.260000] fs/cifs/connect.c: file mode: 0x1ed dir mode: 0x1ed [ 2][ 3966.260000] fs/cifs/connect.c: CIFS VFS: in cifs_mount as Xid: 68 with uid: 0 [ 2][ 3966.260000] fs/cifs/connect.c: UNC: \\107.109.224.147\sharefolder [ 2][ 3966.260000] fs/cifs/connect.c: Socket created [ 2][ 3966.260000] fs/cifs/connect.c: sndbuf 16384 rcvbuf 87380 rcvtimeo 0x6d6 [ 0][ 3966.264000] fs/cifs/fscache.c: cifs_fscache_get_client_cookie: (0xe5ab9800/0xe5b7f230) [ 0][ 3966.264000] fs/cifs/connect.c: CIFS VFS: in cifs_get_smb_ses as Xid: 69 with uid: 0 [ 0][ 3966.264000] fs/cifs/connect.c: Existing smb sess not found [ 0][ 3966.264000] fs/cifs/smb2pdu.c: Negotiate protocol [ 0][ 3966.264000] fs/cifs/smb2pdu.c: sec_flags 0x81 [ 0][ 3966.264000] fs/cifs/transport.c: Sending smb: smb_len=102 [ 0][ 3966.264000] fs/cifs/connect.c: Demultiplex PID: 243 [ 0][ 3966.264000] fs/cifs/connect.c: RFC1002 header 0xaa [ 0][ 3966.264000] fs/cifs/smb2misc.c: smb2_check_message length: 0xae, smb_buf_length: 0xaa [ 0][ 3966.264000] fs/cifs/smb2misc.c: SMB2 data length 42 offset 128 [ 0][ 3966.264000] fs/cifs/smb2misc.c: SMB2 len 174 [ 0][ 3966.264000] fs/cifs/transport.c: cifs_sync_mid_result: cmd=0 mid=0 state=4 [ 0][ 3966.264000] fs/cifs/misc.c: Null buffer passed to cifs_small_buf_release [ 0][ 3966.264000] fs/cifs/smb2pdu.c: mode 0x1 [ 0][ 3966.264000] fs/cifs/smb2pdu.c: negotiated smb2.0 dialect [ 0][ 3966.264000] fs/cifs/smb2pdu.c: sec_flags 0x81 [ 0][ 3966.264000] fs/cifs/smb2pdu.c: Signing optional [ 0][ 3966.264000] fs/cifs/connect.c: Security Mode: 0x1 Capabilities: 0x300001 TimeAdjust: 0 [ 0][ 3966.264000] fs/cifs/smb2pdu.c: Session Setup [ 0][ 3966.264000] fs/cifs/smb2pdu.c: sec_flags 0x81 [ 0][ 3966.264000] fs/cifs/transport.c: Sending smb: smb_len=120 [ 0][ 3966.268000] fs/cifs/connect.c: RFC1002 header 0xfa [ 0][ 3966.268000] fs/cifs/smb2misc.c: smb2_check_message length: 0xfe, smb_buf_length: 0xfa [ 0][ 3966.268000] fs/cifs/smb2misc.c: SMB2 data length 178 offset 72 [ 0][ 3966.268000] fs/cifs/smb2misc.c: SMB2 len 254 [ 0][ 3966.268000] fs/cifs/transport.c: cifs_sync_mid_result: cmd=1 mid=1 state=4 [ 0][ 3966.268000] fs/cifs/smb2maperror.c: Mapping SMB2 status code -1073741802 to POSIX err -5 [ 0][ 3966.268000] fs/cifs/misc.c: Null buffer passed to cifs_small_buf_release [ 0][ 3966.268000] fs/cifs/smb2pdu.c: sec_flags 0x81 [ 0][ 3966.268000] fs/cifs/transport.c: Sending smb: smb_len=354 [ 0][ 3966.268000] fs/cifs/connect.c: RFC1002 header 0x49 [ 0][ 3966.268000] fs/cifs/smb2misc.c: smb2_check_message length: 0x4d, smb_buf_length: 0x49 [ 0][ 3966.268000] fs/cifs/smb2misc.c: SMB2 data length 0 offset 0 [ 0][ 3966.268000] fs/cifs/smb2misc.c: SMB2 len 77 [ 0][ 3966.268000] fs/cifs/transport.c: cifs_sync_mid_result: cmd=1 mid=2 state=4 [ 0][ 3966.268000] Status code returned 0xc000006d STATUS_LOGON_FAILURE [ 0][ 3966.272000] fs/cifs/smb2maperror.c: Mapping SMB2 status code -1073741715 to POSIX err -13 [ 0][ 3966.272000] fs/cifs/misc.c: Null buffer passed to cifs_small_buf_release [ 0][ 3966.272000] CIFS VFS: Send error in SessSetup = -13 [ 0][ 3966.280000] fs/cifs/connect.c: CIFS VFS: leaving cifs_get_smb_ses (xid = 69) rc = -13 [ 0][ 3966.280000] fs/cifs/fscache.c: cifs_fscache_release_client_cookie: (0xe5ab9800/0xe5b7f230) [ 3][ 3966.428000] fs/cifs/connect.c: CIFS VFS: leaving cifs_mount (xid = 68) rc = -13 [ 3][ 3966.428000] fs/cifs/cifsfs.c: Devname: //107.109.224.147/sharefolder flags: 32769 [ 3][ 3966.432000] fs/cifs/netmisc.c: address conversion returned 1 for 107.109.224.147\sharefolder [ 3][ 3966.432000] fs/cifs/connect.c: Username: a.sangwan [ 3][ 3966.432000] fs/cifs/connect.c: file mode: 0x1ed dir mode: 0x1ed [ 3][ 3966.432000] fs/cifs/connect.c: CIFS VFS: in cifs_mount as Xid: 70 with uid: 0 [ 3][ 3966.432000] fs/cifs/connect.c: UNC: \\107.109.224.147\sharefolder [ 3][ 3966.432000] fs/cifs/connect.c: Socket created [ 3][ 3966.432000] fs/cifs/connect.c: sndbuf 16384 rcvbuf 87380 rcvtimeo 0x6d6 [ 0][ 3966.432000] fs/cifs/fscache.c: cifs_fscache_get_client_cookie: (0xe4c53400/0xe5b7f230) [ 0][ 3966.432000] fs/cifs/connect.c: CIFS VFS: in cifs_get_smb_ses as Xid: 71 with uid: 0 [ 0][ 3966.432000] fs/cifs/connect.c: Existing smb sess not found [ 0][ 3966.432000] fs/cifs/smb2pdu.c: Negotiate protocol [ 0][ 3966.432000] fs/cifs/smb2pdu.c: sec_flags 0x81 [ 0][ 3966.432000] fs/cifs/transport.c: Sending smb: smb_len=102 [ 0][ 3966.432000] fs/cifs/connect.c: Demultiplex PID: 244 [ 0][ 3966.436000] fs/cifs/connect.c: RFC1002 header 0xaa [ 0][ 3966.436000] fs/cifs/smb2misc.c: smb2_check_message length: 0xae, smb_buf_length: 0xaa [ 0][ 3966.436000] fs/cifs/smb2misc.c: SMB2 data length 42 offset 128 [ 0][ 3966.436000] fs/cifs/smb2misc.c: SMB2 len 174 [ 0][ 3966.436000] fs/cifs/transport.c: cifs_sync_mid_result: cmd=0 mid=0 state=4 [ 0][ 3966.436000] fs/cifs/misc.c: Null buffer passed to cifs_small_buf_release [ 0][ 3966.436000] fs/cifs/smb2pdu.c: mode 0x1 [ 0][ 3966.436000] fs/cifs/smb2pdu.c: negotiated smb2.0 dialect [ 0][ 3966.436000] fs/cifs/smb2pdu.c: sec_flags 0x81 [ 0][ 3966.436000] fs/cifs/smb2pdu.c: Signing optional [ 0][ 3966.436000] fs/cifs/connect.c: Security Mode: 0x1 Capabilities: 0x300001 TimeAdjust: 0 [ 0][ 3966.436000] fs/cifs/smb2pdu.c: Session Setup [ 0][ 3966.436000] fs/cifs/smb2pdu.c: sec_flags 0x81 [ 0][ 3966.436000] fs/cifs/transport.c: Sending smb: smb_len=120 [ 0][ 3966.436000] fs/cifs/connect.c: RFC1002 header 0xfa [ 0][ 3966.436000] fs/cifs/smb2misc.c: smb2_check_message length: 0xfe, smb_buf_length: 0xfa [ 0][ 3966.436000] fs/cifs/smb2misc.c: SMB2 data length 178 offset 72 [ 0][ 3966.436000] fs/cifs/smb2misc.c: SMB2 len 254 [ 0][ 3966.436000] fs/cifs/transport.c: cifs_sync_mid_result: cmd=1 mid=1 state=4 [ 0][ 3966.436000] fs/cifs/smb2maperror.c: Mapping SMB2 status code -1073741802 to POSIX err -5 [ 0][ 3966.436000] fs/cifs/misc.c: Null buffer passed to cifs_small_buf_release [ 0][ 3966.436000] fs/cifs/smb2pdu.c: sec_flags 0x81 [ 0][ 3966.436000] fs/cifs/transport.c: Sending smb: smb_len=354 [ 0][ 3966.436000] fs/cifs/connect.c: RFC1002 header 0x49 [ 0][ 3966.436000] fs/cifs/smb2misc.c: smb2_check_message length: 0x4d, smb_buf_length: 0x49 [ 0][ 3966.436000] fs/cifs/smb2misc.c: SMB2 data length 0 offset 0 [ 0][ 3966.436000] fs/cifs/smb2misc.c: SMB2 len 77 [ 0][ 3966.436000] fs/cifs/transport.c: cifs_sync_mid_result: cmd=1 mid=2 state=4 [ 0][ 3966.436000] Status code returned 0xc000006d STATUS_LOGON_FAILURE [ 0][ 3966.444000] fs/cifs/smb2maperror.c: Mapping SMB2 status code -1073741715 to POSIX err -13 [ 0][ 3966.444000] fs/cifs/misc.c: Null buffer passed to cifs_small_buf_release [ 0][ 3966.444000] CIFS VFS: Send error in SessSetup = -13 [ 0][ 3966.448000] fs/cifs/connect.c: CIFS VFS: leaving cifs_get_smb_ses (xid = 71) rc = -13 [ 0][ 3966.448000] fs/cifs/fscache.c: cifs_fscache_release_client_cookie: (0xe4c53400/0xe5b7f230) [ 3][ 3966.600000] fs/cifs/connect.c: CIFS VFS: leaving cifs_mount (xid = 70) rc = -13 Regards, Ashish ------- Original Message ------- Sender : Pavel Shilovsky<piastryyy@xxxxxxxxx> Date : Jul 10, 2014 17:21 (GMT+05:30) Title : Re: Re: connecting to windows server with SMB2 2014-07-10 15:20 GMT+04:00 Ashish Sangwan : > 2014-07-10 14:26 GMT+04:00 Ashish Sangwan : >>> I am using kernel version 3.8.13 and windows 7. >>> >>> The below command works successfully: >>> Linux#> mount -t cifs //107.109.224.147/sharefolder /mnt -o user=a.sangwan -o pass=xxxx -o vers=1.0 -o sec=ntlm >>> >>> Other than 1.0, all are fail: >>> Linux#> mount -t cifs //107.109.224.147/sharefolder /mnt -o user=a.sangwan -o pass=xxxx -o vers=2.0 -o sec=ntlm >>> [ 0][ 64.276000] Status code returned 0xc000006d STATUS_LOGON_FAILURE >>> [ 0][ 64.284000] CIFS VFS: Send error in SessSetup = -13 >>> >>> Tried with sec=ntlmv2/none/lanman/krb5, none of them worked. >>> Help please!! >> >>Did you tries without "sec=" option at all? > Yes, without sec=ntlm option, I am not able to mount even with vers=1.0 > VDLinux#> mount -t cifs //107.109.224.147/sharefolder /mnt -o user=a.sangwan -o pass=xxxx -o vers=1.0 > [ 0][ 1082.672000] selected vers 1.0 > [ 0][ 1082.680000] Status code returned 0xc000006d NT_STATUS_LOGON_FAILURE > [ 0][ 1082.688000] CIFS VFS: Send error in SessSetup = -13 > mount: mounting //107.109.224.147/sharefolder on /mnt failed: Permission denied >> >>If yes, you should set "echo 1 > /proc/fs/cifs/cifsFYI', try to mount >>and collect dmesg output and send it to the list. > Here it is for the command: > VDLinux#> mount -t cifs //107.109.224.147/sharefolder /mnt -o user=a.sangwan -o pass=xxxx -o vers=1.0 > > [ 0][ 1082.844000] fs/cifs/netmisc.c: address conversion returned 1 for 107.109.224.147\sharefolder > [ 0][ 1082.844000] fs/cifs/connect.c: Username: a.sangwan > [ 0][ 1082.844000] fs/cifs/connect.c: file mode: 0x1ed dir mode: 0x1ed > [ 0][ 1082.844000] fs/cifs/connect.c: CIFS VFS: in cifs_mount as Xid: 50 with uid: 0 > [ 0][ 1082.844000] fs/cifs/connect.c: UNC: \\107.109.224.147\sharefolder > [ 0][ 1082.844000] fs/cifs/connect.c: Socket created > [ 0][ 1082.844000] fs/cifs/connect.c: sndbuf 16384 rcvbuf 87380 rcvtimeo 0x6d6 > [ 0][ 1082.848000] fs/cifs/fscache.c: cifs_fscache_get_client_cookie: (0xe5b36c00/0xe5b7f230) > [ 0][ 1082.848000] fs/cifs/connect.c: CIFS VFS: in cifs_get_smb_ses as Xid: 51 with uid: 0 > [ 0][ 1082.848000] fs/cifs/connect.c: Existing smb sess not found > [ 0][ 1082.848000] fs/cifs/cifssmb.c: secFlags 0x81 > [ 0][ 1082.848000] fs/cifs/cifssmb.c: NTLMSSP only mechanism, enable extended security > [ 0][ 1082.848000] fs/cifs/transport.c: For smb_command 114 > [ 0][ 1082.848000] fs/cifs/transport.c: Sending smb: smb_len=69 > [ 0][ 1082.848000] fs/cifs/connect.c: Demultiplex PID: 222 > [ 0][ 1082.848000] fs/cifs/connect.c: RFC1002 header 0x7f > [ 0][ 1082.848000] fs/cifs/transport.c: cifs_sync_mid_result: cmd=114 mid=1 state=4 > [ 0][ 1082.848000] fs/cifs/cifssmb.c: Dialect: 2 > [ 0][ 1082.848000] fs/cifs/cifssmb.c: Max buf = 4356 > [ 0][ 1082.848000] fs/cifs/asn1.c: OID len = 10 oid = 0x1 0x3 0x6 0x1 > [ 0][ 1082.848000] fs/cifs/asn1.c: OID len = 10 oid = 0x1 0x3 0x6 0x1 > [ 0][ 1082.848000] fs/cifs/cifssmb.c: negprot rc 0 > [ 0][ 1082.848000] fs/cifs/connect.c: Security Mode: 0x3 Capabilities: 0x8001e3fc TimeAdjust: -19800 > [ 0][ 1082.848000] fs/cifs/sess.c: sess setup type 3 > [ 0][ 1082.848000] fs/cifs/sess.c: ntlmssp session setup phase 1 > [ 0][ 1082.848000] fs/cifs/transport.c: For smb_command 115 > [ 0][ 1082.848000] fs/cifs/transport.c: Sending smb: smb_len=186 > [ 0][ 1082.848000] fs/cifs/connect.c: RFC1002 header 0x161 > [ 0][ 1082.848000] fs/cifs/transport.c: cifs_sync_mid_result: cmd=115 mid=2 state=4 > [ 0][ 1082.848000] fs/cifs/netmisc.c: Mapping smb error code 0xc0000016 to POSIX err -5 > [ 0][ 1082.848000] fs/cifs/misc.c: Null buffer passed to cifs_small_buf_release > [ 0][ 1082.848000] fs/cifs/sess.c: UID = 2048 > [ 0][ 1082.848000] fs/cifs/sess.c: bleft 131 > [ 0][ 1082.848000] fs/cifs/sess.c: serverOS=Windows 7 Enterprise 7601 Service Pack 1 > [ 0][ 1082.848000] fs/cifs/sess.c: serverNOS=Windows 7 Enterprise 6.1 > [ 0][ 1082.848000] fs/cifs/sess.c: ssetup freeing small buf e5bc1c00 > [ 0][ 1082.848000] fs/cifs/sess.c: ntlmssp session setup phase 3 > [ 0][ 1082.848000] fs/cifs/transport.c: For smb_command 115 > [ 0][ 1082.848000] fs/cifs/transport.c: Sending smb: smb_len=420 > [ 0][ 1082.852000] fs/cifs/connect.c: RFC1002 header 0x23 > [ 0][ 1082.852000] fs/cifs/transport.c: cifs_sync_mid_result: cmd=115 mid=3 state=4 > [ 0][ 1082.852000] Status code returned 0xc000006d NT_STATUS_LOGON_FAILURE > [ 0][ 1082.856000] fs/cifs/netmisc.c: Mapping smb error code 0xc000006d to POSIX err -13 > [ 0][ 1082.856000] fs/cifs/misc.c: Null buffer passed to cifs_small_buf_release > [ 0][ 1082.856000] fs/cifs/sess.c: ssetup freeing small buf e5bc1500 > [ 0][ 1082.856000] CIFS VFS: Send error in SessSetup = -13 > [ 0][ 1082.860000] fs/cifs/connect.c: CIFS VFS: leaving cifs_get_smb_ses (xid = 51) rc = -13 > [ 0][ 1082.860000] fs/cifs/fscache.c: cifs_fscache_release_client_cookie: (0xe5b36c00/0xe5b7f230) > > In other mail Benjamin has suggessted to additionally provide -o "domain=" > I am wondering why SMB1.0 is success as I don't provide domain in that cas too. > Anyway, I will try suggesstion. > > Additionally, I am able to connect to samba server (v 4.0.2) from the same machine > without giving any -o sec -o domain option and it is success for all 2.0, 2.1 and 3.0 versions. > Sorry for being unclear, I meant dmesg output of unsuccessful mount with vers=2.0. -- Best regards, Pavel Shilovsky.ÿôèº{.nÇ+‰·Ÿ®‰†+%ŠËÿ±éݶ¥Šwÿº{.nÇ+‰·¥Š{±ýÈŸ³ø§¶›¡Ü¨}©ž²Æ zÚ&j:+v‰¨þø¯ù®w¥þŠà2ŠÞ™¨èÚ&¢)ß¡«a¶Úÿÿûàz¿äz¹Þ—ú+ƒùšŽŠÝ¢jÿŠwèþf