Subject: Re: 3c900 PCI ethernet card
To: None <port-i386@NetBSD.ORG>
From: Andrew Y Ng <>
List: port-i386
Date: 09/29/1996 14:26:58
I'm having similar problems with my 3c590 pci ethernet card.

the card just freezes when someone try to request a large number of packets
from my machine. 

anyone here knows the solution to this problem???


On Fri, 27 Sep 1996, Curt Sampson wrote:

> On Fri, 27 Sep 1996, Zdenek Salvet wrote:
> > I have had success with 3c590 driver under light load,
> > but "ping -f -s 1400 ..." freezes the interface very quickly.
> I've just put a 3c905 in my system, and I have the same problem.
> It freezes after about a hundred packets of `ping -f -s 1400' to
> it from another machine. When I try to ping out from the machine,
> I get:
>     ping: sendto: no buffer space available
> A netstat -m shows that I've got a hundred or so buffers in use,
> and 0 requests for memory denied or delayed, 0 calls to the protocol
> drain routines.  If I ifconfig the interface down and then up again,
> the memory is freed and the card works normally again.
> What is likely to be causing this sort of behaviour? What sort of
> debugging do I want to turn on to see where it's breaking? I have
> my copy of TCP/IP Illustrated Vol. 2 handy. :-)
> cjs
> Curt Sampson		Info at
> Internet Portal Services, Inc.	
> Vancouver, BC   (604) 257-9400		De gustibus, aut bene aut nihil.

Andrew Y Ng <ayn@CMU.EDU>
Carnegie Mellon University; ECE major, Music minor
campus ph: 412/862-2836;  voice mail: 412/268-6700 x30027
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