From owner-freebsd-hardware@FreeBSD.ORG  Thu Jul 12 19:15:03 2007
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From: Hans Petter Selasky <hselasky@c2i.net>
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Date: Thu, 12 Jul 2007 20:14:59 +0200
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Cc: tony@crosswind.snet
Subject: Re: keyboard + if_nfe oddity
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On Thursday 12 July 2007 19:44, Tony Holmes wrote:
> Okay, here's an odd one.
>
> I have an Asus M2NPV-VM board using the nfe driver from
> http://www.f.csce.kyushu-u.ac.jp/~shigeaki/software/freebsd-nfe.html
>
> Traffic is moderate (approx 7Mbps) and every couple of days, the
> nfe device just stops talking to the outside world. I do see one
> type of error in the logs:
>
> Jul 12 10:08:33 cwpro1 kernel: nfe0: watchdog timeout (missed Tx
> interrupts) -- recovering Jul 12 10:09:04 cwpro1 kernel: nfe0: watchdog
> timeout (missed Tx interrupts) -- recovering
>
>
> The solution?
>
> Plug in a keyboard (PS2). As soon as ukbd is probed, up fires the
> ethernet device and we're talking again.
>
> So, any ideas? This box is in production so debugging time/possbilities
> are limited.

Maybe the keyboard generates a missing interrupt for the NFE controller.

Are you using 7-current ?

I have a box and the built in nfe0 adapter does not work very well, unless I 
use 7-current!

--HPS