Re: Further on P4R800-VM and 3c59x

On Mon, 5 Jan 2004, Andrej Prsa wrote:

> I assure you I won't give up until we all run out of ideas! ;)

OK, let's see :-)

> nothing out of the ordinary is reported in /var/log/messages,

You don't get tons of messages prefixed by "eth0:" (or whatever number the 
interface is) ? Then setting up the debug level didn't work...

> media link is found and recognized as 100Mbit full duplex.

When this happens, what is the state of the desktop computer ? Is the 
driver loaded or not ? If yes, does mii-diag report something different 
before connecting the cable and while it's connected ?

> network cards have to talk to each other, right?

Yep, carrier signals and so on.

> I also checked /proc/interrupts, which are increasing as they
> should,

When ? Could you try to make a difference between transmitting and 
receiving ? For example, if you assign a fixed IP on the same subnet to 
your laptop, you could start "ping" from the laptop; if /proc/interrupts 
start increasing, it means that it's receiving.
For transmission is a bit more difficult, one way would be to watch with 
tcpdump/ethereal if any packets arrive at the other end (on the laptop, 
for example).

> /proc/dev/net seems ok as well.

But as you didn't include it, I can't see if there were any packets/bytes 
accounted for transmission and/or reception :-)

> Everything is ok that I can tell, except for this glitch of not working
> at all! ;)

Isn't it always like this ? :-)

> I also tried 3c90x driver, but it returns Device not found error.

Unless 3Com updated it recently, it couldn't have supported the card as 
the PCI ID was not included...

> 	Flags: bus master, medium devsel, latency 64, IRQ 3

By the way, is the interrupt shared with some other device ?

-- 
Bogdan Costescu

IWR - Interdisziplinaeres Zentrum fuer Wissenschaftliches Rechnen
Universitaet Heidelberg, INF 368, D-69120 Heidelberg, GERMANY
Telephone: +49 6221 54 8869, Telefax: +49 6221 54 8868
E-mail: [email protected]


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