[linux-cifs-client] (no subject)

[Jeff Layton]

On Thu, 17 Jul 2008 13:01:28 +0200 (CEST)
Marko Käning <mk362 at mch.osram.de> wrote:

> I had the following messages in my kernel log:
> 
> Unusual System Events
> =-=-=-=-=-=-=-=-=-=-=
> Jul 16 22:00:03 flmpc35 kernel:  CIFS VFS: No response to cmd 46 mid 2255
> Jul 16 22:00:03 flmpc35 kernel:  CIFS VFS: Send error in read = -11
> Jul 16 22:00:03 flmpc35 kernel:  CIFS VFS: No response to cmd 46 mid 2254
> Jul 16 22:00:03 flmpc35 kernel:  CIFS VFS: Send error in read = -11
> Jul 16 22:00:03 flmpc35 kernel:  CIFS VFS: Send error in read = -9
> 
> Those were thrown just after mounting the samba hosted share!
> 
> What is "cmd 46"?
> 

cmd 46 is 0x2E:

#define SMB_COM_READ_ANDX             0x2E

...so the client was issuing a read call to the server. It didn't
respond for a bit, so it returned -11 (-EAGAIN) twice. Eventually, it
looks like the server returned -EBADF (-9), which means that the
filehandle was no good.

> It looks as if the access was eventually successful, because the files 
> transfer to and from the server could be verified afterwards to be 
> correct.
> 
> This is the first time that I see these messages. Do I need to get 
> nervous, or is it possible that time delay problems on the network might 
> cause these and I don't need to worry??

What kernel are you running?

-- 
Jeff Layton <jlayton at redhat.com>