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Date:      Wed, 29 Sep 1999 22:37:34 -0400
From:      Simon Shapiro as Himself <shimon@simon-shapiro.org>
To:        Rene de Vries <rene@canyon.demon.nl>
Cc:        Christoph Kukulies <kuku@gilberto.physik.RWTH-Aachen.DE>, FreeBSD hackers <freebsd-hackers@freebsd.org>
Subject:   Re: de0 strangenesses
Message-ID:  <37F2CCEE.9F2DF6DF@simon-shapiro.org>
References:  <200009141810.UAA00578@canyon.demon.nl>

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Rene de Vries wrote:
> 
> I think i've got a similar problem. This involves a DE500 (de0 driver)
> ethernet card and a 100 Mbit UTP. The problem was that somehow the driver
> didn't detect the 100Mbit and always switched to 10Mbit. The workaround that
> I use is a simple script "/etc/start_if.de0" with the following contents:
> 
> # workaround 10/100Mbit start problem
> ifconfig de0 192.168.1.2 media 100baseTX
> ifconfig de0 down
> sleep 2
> ifconfig de0 up
> 
> Since I started using this script the machine always started with the
> 100baseTX interface active.

Not always.  Some boards resist that, and yet others will hang the hub
(or the switch port) they are plugged into.  Those need to see a 100MHz
beat before
they do something useful.  I.e.  Do NOT have them the first to turn on
on a
hub.  Most switches are OK.  I suspect some differences between
revisions...

> 
> Rene
> 
> > On a 3.0-current of October 1998 I'm having often trouble with de0.
> > The machine often reboots over night (when either the locate db is built or
> > some other big job - like mirror - is running). Anyway, after the reboot,
> > often de0 is dead.
> >
> > This happend today again. When I came into the office I could not
> > ping said machine. I sat at the console, logged in. The machine was
> > perfectly alive, only the de0 interface didn't work at the BNC network.
> >
> > I did a ifconfig de0 down and exactly with doing that I got a kernel message
> > from the driver: de0 BNC interface enabled (or something like that).
> > Doing an ifconfig de0 up right after that the interface continued working
> > at the BNC port.
> >
> > Can the driver writer(s) comment whether there have been changes to the driver
> > WRT that behaviour so I can expect that with either 3.2 or -current
> > the problem would be gone?
> 
> --
> Rene de Vries                    http://www.tcja.nl/~rene; mailto:rene@tcja.nl
> 
> To Unsubscribe: send mail to majordomo@FreeBSD.org
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-- 


Sincerely Yours,                 Shimon@Simon-Shapiro.ORG
                                             404.644.6401
Simon Shapiro

Unwritten code has no bugs and executes at twice the speed of mouth
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