From: Michael Buesch <fsdeveloper@yahoo.de>
To: Andrew Morton <akpm@osdl.org>
Subject: Re: Ethernet falls into deep sleep.
Date: Mon, 28 Jul 2003 22:37:03 +0200
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Cc: linux-kernel@vger.kernel.org, linux-net@vger.kernel.org
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On Monday 28 July 2003 22:07, Andrew Morton wrote:
> Michael Buesch <fsdeveloper@yahoo.de> wrote:
> > I've a problem with my server/router, that I've seen on
> > various kernels. currently I'm running 2.4.21, but I've
> > seen the problem on 2.4.20 and 2.5.70, too.
> > I'm using a 3com 3c509 ISA ethernet card.
> >
> > When this server stays a longer time (about one night, 12 hours)
> > without network-traffic, it seems like the whole network-interface
> > falls into a very deep sleep. It's very hard to wake the machine
> > up.
>
> This could be a router problem: some routers (Cisco?) decide that a host

I've got no hardware-router.
The server (the machine, that locks up; normal pentium linux PC)
works as server and router for my other machines.

> has died if no traffic has been seen for a long time.  Google for "vortex
> sleepy nic" for some discussion.
>
> I haven't seen any reports of this in a looong time.  IIRC it was worked
> around by pinging some remote host once per minute.

I'm now trying it without APM, ACPI support in the
kernel.
If this doesn't work, I'll try to make a cron-job pinging some
server.

- -- 
Regards Michael Buesch
http://www.8ung.at/tuxsoft
Penguin on this machine:  Linux 2.4.21  - i386

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