[vortex] 3c509B card loses link

Donald Becker becker@scyld.com
Wed Dec 4 10:31:01 2002


On Wed, 4 Dec 2002, Paul Hampson wrote:

> Subject: [vortex] 3c509B card loses link
...
> I have a 3c509B card in a co-located machine. Since we moved

Uhmmm, don't you mean "3c905B"?
The '509 is an ISA card, and has its own mailing list.

> from a location with a 10Mbps switch/hub to a 100Mbps switch,
> the computer falls off the network every few days. Also, the
> link light on the back of the card does not light up, and
> the switch only sees it as 10Mbps.

Something must be forcing the speed or setting the wrong transceiver
type.
What driver version are you using?
What is the detection message?

> yurika:~/3com# ./mii-diag eth0 -v
> mii-diag.c:v2.07 11/15/2002 Donald Becker (becker@scyld.com)
>  http://www.scyld.com/diag/index.html
>   Using the new SIOCGMIIPHY value on PHY 0 (BMCR 0xc000).

What driver version are you using?  The PHY should be #24 or #1

> yurika:~/3com# ./vortex-diag -mm
> vortex-diag.c:v2.12 11/27/2002 Donald Becker (becker@scyld.com)

What does
   vortex-diag -eee
report?

>  http://www.scyld.com/diag/index.html
> Index #1: Found a 3c905B Cyclone 100baseTx adapter at 0xec00.
>  Station address 00:10:4b:13:78:2e.
>   Receive mode is 0x07: Normal unicast and all multicast.
>  MII PHY found at address 1, status 3000.
>  MII PHY 0 at #1 transceiver registers:
>    3000 3000 3000 3000 3000 3000 3000 3000

This indicates some sort of misconfiguration -- likely a bogus
transceiver setting.

-- 
Donald Becker				becker@scyld.com
Scyld Computing Corporation		http://www.scyld.com
410 Severn Ave. Suite 210		Scyld Beowulf cluster system
Annapolis MD 21403			410-990-9993