cannot mount CIFS from shell: Input/output error

Asked by Andrej

I have just made new live USB from Ubuntu 12.04.3 amd64, but I cannot mount cifs from shell, but I can access share point with Nautilus. I was able to make that mount point with live USB Ubuntu 12.04.2 with all the updates. So the only diff I would say was kernel.

ubuntu@ubuntu:~$ uname -a
Linux ubuntu 3.8.0-29-generic #42~precise1-Ubuntu SMP Wed Aug 14 16:19:23 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

ubuntu@ubuntu:~$ cat /etc/fstab
overlayfs / overlayfs rw 0 0
tmpfs /tmp tmpfs nosuid,nodev 0 0
// /mnt/mountPoint cifs credentials=/home/ubuntu/.smbcredentials,noperm 0 0

ubuntu@ubuntu:~$ sudo cat /home/ubuntu/.smbcredentials

ubuntu@ubuntu:~$ cat /proc/fs/cifs/cifsFYI

ubuntu@ubuntu:~$ sudo mount -a
mount error(5): Input/output error
Refer to the mount.cifs(8) manual page (e.g. man mount.cifs)

ubuntu@ubuntu:~$ dmesg
[ 8243.999770] /build/buildd/linux-lts-raring-3.8.0/fs/cifs/cifsfs.c: Devname: // flags: 0
[ 8243.999805] /build/buildd/linux-lts-raring-3.8.0/fs/cifs/connect.c: Username: userName
[ 8243.999810] /build/buildd/linux-lts-raring-3.8.0/fs/cifs/connect.c: file mode: 0x1ed dir mode: 0x1ed
[ 8244.000834] /build/buildd/linux-lts-raring-3.8.0/fs/cifs/connect.c: CIFS VFS: in cifs_mount as Xid: 20 with uid: 0
[ 8244.000840] /build/buildd/linux-lts-raring-3.8.0/fs/cifs/connect.c: UNC: \\\sharePont
[ 8244.000860] /build/buildd/linux-lts-raring-3.8.0/fs/cifs/connect.c: Socket created
[ 8244.000863] /build/buildd/linux-lts-raring-3.8.0/fs/cifs/connect.c: sndbuf 16384 rcvbuf 87380 rcvtimeo 0x6d6
[ 8244.001678] /build/buildd/linux-lts-raring-3.8.0/fs/cifs/fscache.c: cifs_fscache_get_client_cookie: (0xffff8800a81ac000/0xffff880134f9e000)
[ 8244.001684] /build/buildd/linux-lts-raring-3.8.0/fs/cifs/connect.c: CIFS VFS: in cifs_get_smb_ses as Xid: 21 with uid: 0
[ 8244.001687] /build/buildd/linux-lts-raring-3.8.0/fs/cifs/connect.c: Existing smb sess not found
[ 8244.001694] /build/buildd/linux-lts-raring-3.8.0/fs/cifs/cifssmb.c: secFlags 0x81
[ 8244.001696] /build/buildd/linux-lts-raring-3.8.0/fs/cifs/cifssmb.c: NTLMSSP only mechanism, enable extended security
[ 8244.001700] /build/buildd/linux-lts-raring-3.8.0/fs/cifs/transport.c: For smb_command 114
[ 8244.001703] /build/buildd/linux-lts-raring-3.8.0/fs/cifs/transport.c: Sending smb: smb_len=78
[ 8244.001730] /build/buildd/linux-lts-raring-3.8.0/fs/cifs/connect.c: Demultiplex PID: 6605
[ 8244.017372] /build/buildd/linux-lts-raring-3.8.0/fs/cifs/connect.c: RFC1002 header 0x7f
[ 8244.017393] /build/buildd/linux-lts-raring-3.8.0/fs/cifs/transport.c: cifs_sync_mid_result: cmd=114 mid=1 state=4
[ 8244.017397] /build/buildd/linux-lts-raring-3.8.0/fs/cifs/cifssmb.c: Dialect: 2
[ 8244.017401] /build/buildd/linux-lts-raring-3.8.0/fs/cifs/cifssmb.c: negprot rc -5
[ 8244.017405] /build/buildd/linux-lts-raring-3.8.0/fs/cifs/connect.c: CIFS VFS: leaving cifs_get_smb_ses (xid = 21) rc = -5
[ 8244.017415] /build/buildd/linux-lts-raring-3.8.0/fs/cifs/fscache.c: cifs_fscache_release_client_cookie: (0xffff8800a81ac000/0xffff880134f9e000)
[ 8244.017500] /build/buildd/linux-lts-raring-3.8.0/fs/cifs/connect.c: CIFS VFS: leaving cifs_mount (xid = 20) rc = -5
[ 8244.017502] CIFS VFS: cifs_mount failed w/return code = -5

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actionparsnip (andrew-woodhead666) said :

i suggest you report a bug

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Thomas Krüger (thkrueger) said :

The error code -5 is rather generic, but it usually points to a configuration mismatch. You should make sure the settings are all correct. If they are use hostnames, not IPs. An make sure the hostnames match on both sides.

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Andrej (andrej-oblak) said :

Thank you for the answers. I made a bug report, because I was not able to find anything usefull on the internet and configuration is copy/paste from previous USB key.

Can you help with this problem?

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