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Re: strange network hangs using kdb

To: John Jasen <jjasen1@xxxxxxxx>
Subject: Re: strange network hangs using kdb
From: Srikant Sharma <srikant@xxxxxxxxxxxxx>
Date: Tue, 5 Jun 2001 13:42:50 -0400 (EDT)
Cc: <slurn@xxxxxxxxxxxx>, Keith Owens <kaos@xxxxxxxxxx>, <linux-kernel@xxxxxxxxxxxxxxx>, <kdb@xxxxxxxxxxx>
In-reply-to: <Pine.SGI.4.31L.02.0106051315370.11523908-100000@irix2.gl.umbc.edu>
Sender: owner-kdb@xxxxxxxxxxx
Are you using eepro100 network cards ?
Because we have observed that many times when we enter kdb
the card on this machine goes crazy and starts pumping 8808 congestion
control packets and other cards stop sending data over the network.
try tcpdump and see if something like this is going on ..
--
Srikant



On Tue, 5 Jun 2001, John Jasen wrote:

> On Tue, 5 Jun 2001 slurn@xxxxxxxxxxxx wrote:
>
> > Might the machine running kdb also be acting as a gateway or router
> > for the other boxen?  This would account for the lack of connectivity.
>
> Nope. No such luck. I _wish_ it was that easy. :)
>
> As for it being a network problem, it is -- and completely reproducable.
> Fire up kdb, and no-one receives packets. Otherwise, no problems occur --
> even when both systems are under heavy network load.
>
> --
> -- John E. Jasen (jjasen1@xxxxxxxx)
> -- In theory, theory and practise are the same. In practise, they aren't.
>
>


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