I recently installed Linux on my work laptop. Everything works fine, with
one exception. I use an Intel EtherExpress Pro 10/100 mobile PCMCIA
Ethernet card which refuses to talk to 10Mbit networks. When plugged into
a 100M network, everything is perfect. When it's connected to anything
10M, I can't ping anywhere; no ARP, ifconfig shows zero packets
sent/received.
When the card is brought up the system identifies it correctly and loads
the xirc2ps_cs module. Syslog shows it autodetecting a 10Mbit network, as
it should. In short, everything LOOKS fine, but nothing works. Windoze
(grrr) uses it in either mode. Specifics are:
Dell Latitude LM notebook, P133, 2 PCMCIA slots. RedHat 5.2 distribution,
2.0.36 kernel, ashamed to admit it's as distributed, I've been too busy to
recompile yet. Tried both slots, tried it with and without the modem in
the other slot. Typically uses IRQ 9 or 10, depending on slot use.
I tried using "ifconfig eth0 media auto" -- it hangs forever -- and
"ifconfig eth0 media 10BaseT". Neither helps, but like I said, syslog
shows it has already seen a 10Mbit link. Tcpdump shows ARP requests being
sent, but doesn't show any responses or any of the other traffic on the
hub that it should see. Tcpdump on another system doesn't show anything
sent from the Dell.
What am I missing here? Is there a particular incantation I need to chant
as the card is inserted?
Dale
---
The most exciting phrase to hear in science, the one that heralds new
discoveries, is not "Eureka!" (I found it!) but "That's funny ..."
-- Isaac Asimov
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