Net card problem (Tx hung)

[lexming <lexming@gcolorama.com>]

Hi!

I relieved an old PowerMac as a server with Debian, it's a PowerMac 
6400 with an internal PCI net card (SMC 9432TX). The server works as a 
web (apache) and mail (exim) server and it goes fine.
The problem is about net connection, aproximately once a day the net 
connection goes down with an error like this:
	eth0: Tx hung, 126785 vs. 126783.
	eth0: EPIC transmit timeout, Tx status 4003.
	eth0: Setting half-duplex based on MII #3 link partner capability of 
0001.
	eth0: Setting full-duplex based on MII #3 link partner capability of 
45e1.

The net card's driver works well, when connection goes down driver 
takes it up. But, after this, the route to the gateway of my local net 
don't work, if I type route on the prompt it holds up on the output 
just before the line with the route to the gateway. I have tried to 
configure the network manualy and with a couple of utilities, and the 
problem still remains.
I don't know what to do, I don't know if it is a hardware problem of 
the net card?? if it is a hardware problem of the computer?? or if it 
is a problem with the Linux (Debian of course :) )??

Thanks for all sugestions!!