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Re: strange network hangs using kdb

To: kaos@xxxxxxxxxx (Keith Owens)
Subject: Re: strange network hangs using kdb
From: slurn@xxxxxxxxxxxx
Date: Tue, 5 Jun 2001 10:10:14 -0700 (PDT)
Cc: jjasen1@xxxxxxxx (John Jasen), linux-kernel@xxxxxxxxxxxxxxx, kdb@xxxxxxxxxxx
In-reply-to: <19199.991759088@ocs3.ocs-net> from "Keith Owens" at Jun 06, 2001 02:38:08 AM
Sender: owner-kdb@xxxxxxxxxxx
> 
> On Tue, 5 Jun 2001 12:20:25 -0400, 
> John Jasen <jjasen1@xxxxxxxx> wrote:
> >On Wed, 6 Jun 2001, Keith Owens wrote:
> >> On Tue, 5 Jun 2001 11:20:26 -0400,
> >> John Jasen <jjasen1@xxxxxxxx> wrote:
> >> >When we use kdb on one of the systems, the other system stops receiving
> >> >packets.
> >>
> >> man linux/Documentation/kdb/kdb.mm, section Interrupts and KDB.
> >
> >I would expect one system to fall off the network, when it is put into
> >kdb. However, why does it have any effect on the other system, which may
> >or may not be in kdb?
> 
> It does not.  kdb is intrusive when it trips but even it cannot reach
> across a network and stop another machine.  Look for a networking
> problem on the other system.
> 

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.

scott

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