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Date:      Thu, 6 Apr 2000 21:28:04 +0200
From:      Wilko Bulte <wkb@chello.nl>
To:        FreeBSD-alpha mailing list <freebsd-alpha@freebsd.org>
Subject:   dc driver for embedded ethernet on Miata MX5 problems
Message-ID:  <20000406212804.A1731@yedi.wbnet>

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Hi,

I'm experiencing some problems using the embedded ethernet on the Miata MX5
I have here. This is 4.0R, freshly installed. The symptoms are that the dc
driver reports watchdog timeouts and no network connections can be made.
Using the de driver instead of dc works fine.

The MX5 has a 10baseT/10base2 bulkhead mounted. It is also possible to have
a 100baseT bulkhead (I have one on my MiataGL) that is connected to another
connector on the PCI riser card. 

Initially I assumed that maybe the 21143 can't 'see' that it has a
10Mbit-only bulkhead mounted. So I set the SRM ewa0_mode to 10baseT. This
does not make a difference. I also tried setting 10Mbit mode in rc.conf:
ifconfig_dc0="inet 192.168.200.24  netmask 255.255.255.0 media 10baseT/UTP"
This also did not make a difference.

Apr  6 21:00:40 mx5 /kernel: dc0: <Intel 21143 10/100BaseTX> port
0x8000-0x807f mem 0
x80850000-0x8085007f irq 0 at device 3.0 on pci0
Apr  6 21:00:40 mx5 /kernel: dc0: interrupting at CIA irq 0
Apr  6 21:00:40 mx5 /kernel: dc0: Ethernet address: 00:00:f8:75:3c:6a
Apr  6 21:00:40 mx5 /kernel: miibus0: <MII bus> on dc0
Apr  6 21:00:40 mx5 /kernel: dcphy0: <Intel 21143 NWAY media interface> on
miibus0
Apr  6 21:00:40 mx5 /kernel: dcphy0:  10baseT, 10baseT-FDX, 100baseTX,
100baseTX-FDX, auto
Apr  6 21:00:40 mx5 /kernel: dc0: supplying EUI64: 00:00:f8:ff:fe:75:3c:6a

...

Apr  6 21:00:40 mx5 /kernel: dc0: starting DAD for
fe80:0001::0200:f8ff:fe75:3c6a
Apr  6 21:00:41 mx5 /kernel: dc0: DAD complete for
fe80:0001::0200:f8ff:fe75:3c6a - no duplicates found
Apr  6 21:00:45 mx5 /kernel: dc0: watchdog timeout


de driver boot message:

de0: <Digital 21142 Fast Ethernet> port 0x8000-0x807f mem
0x80850000-0x8085007f irq 0 at device 3.0 on pci0
de0: interrupting at CIA irq 0
de0: DEC 21142 [10-100Mb/s] pass 1.1
de0: address 00:00:f8:75:3c:6a
de0: enabling 10baseT port
de0: supplying EUI64: 00:00:f8:ff:fe:75:3c:6a
de0: driver is using old-style compatability shims

Is there anything special that I'm overlooking maybe? Comments from fellow
MX5 owners are invited as well.

TIA

-- 
Wilko Bulte 		Powered by FreeBSD  	http://www.freebsd.org
						http://www.tcja.nl


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