[Samba] multiple smb commands (some non AndX) in one packet

Shirish Pargaonkar shirishpargaonkar at gmail.com
Thu Jun 5 18:09:15 GMT 2008

On 6/5/08, Volker Lendecke <Volker.Lendecke at sernet.de> wrote:
> On Thu, Jun 05, 2008 at 10:09:24AM -0500, Shirish Pargaonkar wrote:
> > I downloaded ltp-full-20080131.tgz few months back and
> > built it and using network/nfs/nfs_fsstress/fsstress.
> Ok, this might give Steve French something tasty for the
> weekend :-)
> > I just recreated the problem a while ago against XP
> > server, this time there were single commands per tcp
> > packet.  So I think the problem is server at some point
> > just does not respond to cifs client in time (for whatever
> > reasons) for cifs client to decide to reconnect declaring
> > server not responding.
> The question is -- is theres still traffic going back and
> forth, or is everything stalled? If there's still traffic,
> it might be necessary to fix the timeout handling of the
> individual smb inside cifsfs to look at whether the server
> is alive vs an individual timeout. Much like what Windows
> does with the SMBecho requests.
> > I suspect the same for samba server.  In case of samba
> > server, I had turned on log level to 3 to see whether any
> > messages are logged by samba server as to why it is not
> > responding to cifs client smb requests but found nothing
> > significant in the log file that was generated.
> A sniff of this might still be very valuable, even if it is
> huge.
> Volker

I can't attach a 301MB samba server log file.  Is there a way I can
upload the file at some location?

As far as cifs, it tries to send some commands but does not get a reply for
a long time and times out, so everything is stalled.



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