[Samba] client hangs

[Jeremy Allison]

On Thu, Oct 03, 2013 at 02:07:05PM -0500, Doug Tucker wrote:
> Already been down that path.  I can't find a network issue anywhere.
> Our samba server itself is set up with a bonded interface which
> attaches to 2 different cards in the switch.  I've pulled each
> ethernet cable to see the results and there is no ping loss or
> interruption of any sort and shutting down the port at the logical
> level I see the same result.  I monitor all of the switches and
> routers in our network with opennms and cannot find there, or in any
> of the logs any network interruption anywhere.  Additionally samba
> seems to be the only server affected.  We have 50 or so linux
> servers on the network that aren't experiencing any file server
> interruption.  As for the samba server itself, I moved some clients
> over to our backup and the problem follows them.

Then you need to look at the clients. All smbd knows is
that the client disconnected. It doesn't know why.