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dc1: watchdog timeout



I've having trouble with a D-Link DFE-570TX 4 port ethernet card.  The
first port works fine using either the dc or de driver, but the second
port will not carry traffic.

I first tried this with OpenBSD 3.0-stable (from a month or so ago), then
upgraded from 3.1 release branch today.

On 3.0-stable I had been using the de driver, as that's what won in
detection.  The ethernet carrier signal was detected, but pings to a
machine on its subnet were failing.  Eventually with "ping: sendto: No
buffer space available"

That led me to compile a new kernel commenting out the de driver to give
dc a try.  This time, instead of the sendto: No buffer space available
error, the "dc1: watchdog timeout" errors appear.

The same behavior persists in 3.1.   I've tried switching to a new cable,
as suggested in dc(4) with no change in behavior.

I've noticed that Oerrs increment in the output of netstat -I dc1 whenever
I try to ping over that interface:

Name    Mtu   Network     Address              Ipkts Ierrs    Opkts Oerrs
Colls
dc1     1500  <Link>      00:80:c8:cf:e6:86        0     0        0     3
0
dc1     1500  65.218.205. 65.218.205.1             0     0        0     3
0
dc1     1500  fe80::/64   fe80::280:c8ff:fe        0     0        0     3
0

Any suggestions? 


# dmesg | grep dc1
dc0 at pci2 dev 4 function 0 "DEC 21142/3" rev 0x41: irq 5 address
00:80:c8:cf:e6:85
nsphyter0 at dc0 phy 1: DP83843 10/100 media interface, rev. 0
dc1 at pci2 dev 5 function 0 "DEC 21142/3" rev 0x41: irq 11 address
00:80:c8:cf:e6:86
nsphyter1 at dc1 phy 1: DP83843 10/100 media interface, rev. 0
dc2 at pci2 dev 6 function 0 "DEC 21142/3" rev 0x41: irq 10 address
00:80:c8:cf:e6:87
dc3 at pci2 dev 7 function 0 "DEC 21142/3" rev 0x41: irq 12 address
00:80:c8:cf:e6:88
nsphyter3 at dc3 phy 1: DP83843 10/100 media interface, rev. 0
fdc0 at isa0 port 0x3f0/6 irq 6 drq 2
fd0 at fdc0 drive 0: 1.44MB 80 cyl, 2 head, 18 sec
biomask c060 netmask dc60 ttymask dce2
dc1: watchdog timeout
dc1: watchdog timeout
dc1: watchdog timeout