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Date:      Wed, 30 May 2001 22:25:24 +0200 (CEST)
From:      Matthias Schuendehuette <msch@snafu.de>
To:        freebsd-stable@freebsd.org
Subject:   'xl'+DP83840 broken?
Message-ID:  <XFMail.010530222524.msch@snafu.de>

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Hello everybody!

I have some problems with -STABLE since approx. May 15th with the 'xl'
driver. It concerns the old 3Com 3C905 (without B or C) with the
following (d)messages:

xl0: <3Com 3c905-TX Fast Etherlink XL> port 0xe000-0xe03f irq 9 at device
12.0 on pci0
nsphy0: <DP83840 10/100 media interface> on miibus0

The problem is: If I configure the NIC fixed with 100Mbit/full-duplex,
i.e. 'ifconfig xl0 media 100baseTX mediaopt full-duplex', the NIC becomes
inoperable and a pure 'ifconfig xl0' reports:
...
media: 100baseTX <full-duplex> status: no carrier
...
and the activity-LED isn't flashing any more. This happens regardeless of
the switch configuration. It doesn't matter if the switch is fixed with
100Mbit/full-duplex or is 'auto'.

The NIC *does* work with 'media auto', but reports only '100baseTX' on a
fixed (full-duplex) configured switch.
It reports '100baseTX <full-duplex>' on a switch which is also configured
for autonegotiation.

I could *not* reproduce that behaviour on the same equipment with a
3C905*C* - with that NIC, all works fine (as usual with FreeBSD ;-).

IIRC 4.3-STABLE around/shortly after the -RELEASE date hadn't these
problems.

Any ideas?

Ciao/BSD - Matthias
----------------------------------
Matthias Schuendehuette <msch@snafu.de>
Solmsstrasse 44         Date: 30-May-01
D-10961 Berlin          Time: 22:01:32

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