[Samba] Cannot mount a remote volume after system upgrade
James Moe
jimoe at sohnen-moe.com
Mon Jun 9 17:19:03 MDT 2014
On 06/09/2014 12:28 PM, Günter Kukkukk wrote:
I tried adding the "ip" and "port" options. It made no difference; it
fails to mount.
>
> echo 7 > /proc/fs/cifs/cifsFYI
> This enables the highest cifs module debug level, which you then can watch (during mount) with
> tail -f /var/log/messages
>
Here is an excerpt of the trace; I have the complete trace if you
would like to see that.
.../connect.c: build_unc_path_to_root: full_path=\\sma-server1\pub-data
.../transport.c: For smb_command 117
.../transport.c: Sending smb: smb_len=72
.../connect.c: RFC1002 header 0x2d
.../misc.c: checkSMB Length: 0x31, smb_buf_length: 0x2d
.../transport.c: cifs_sync_mid_result: cmd=117 mid=4 state=4
.../connect.c: Tcon rc = 0 ipc_tid = 33
.../cifssmb.c: In GetDFSRefer the path \sma-server1\pub-data
.../transport.c: For smb_command 50
.../transport.c: Sending smb: smb_len=92
.../connect.c: RFC1002 header 0x21
.../misc.c: checkSMB Length: 0x25, smb_buf_length: 0x21
.../smb1ops.c: invalid transact2 word count
.../transport.c: cifs_sync_mid_result: cmd=50 mid=5 state=4
.../netmisc.c: Mapping smb error code 0x10002 to POSIX err -5
.../cifssmb.c: Send error in GetDFSRefer = -5
This corresponds with the Wireshark trace excerpt:
192.168.69.249 192.168.69.115 SMB Tree Connect AndX Response
192.168.69.115 192.168.69.249 SMB Trans2 Request, GET_DFS_REFERRAL,
File: \sma-server1\pub-data
192.168.69.249 192.168.69.115 SMB Trans2 Response,
GET_DFS_REFERRAL[Malformed Packet]
192.168.69.115 192.168.69.249 SMB Logoff AndX Request
However, I do not really have a clue what to infer from the above.
There appears to be a level of error checking in the newer version of
SMB that did not exist in samba v3.6.3.
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