Have you tried the fix suggested in:
	http://www.NetBSD.org/cgi-bin/query-pr-single.pl?number=5348
	(it fixes whats ounds like the same problem on sparc)

		David/absolute

	"Shall I be tempted by the devil thus?"
	"Yes, if the devil tempt you to do good..."

On Thu, 17 Sep 1998, Alfred Arnold wrote:

> Hi,
> 
> does anyone else have problems with the tcpdump program coming with
> NetBSD/pmax 1.3.2?  I installed 1.3.2 on a 3100, on a 5000/200, and a
> 5000/240, and it's all the same: I start tcpdump (without additional
> parameters, to get the whole traffic on the net, and tcpdump dies with a
> segv within seconds.  It might list one or two pages before it happens,
> but it's not reproducible... 
> 
> ------------------------------------------------------------------------
> Alfred Arnold                         E-Mail: alfred@ccac.rwth-aachen.de
> Computer Club at the                  Phone: +49-241-406526
> Technical University of Aachen        Fax:   +49-241-406527
> topics: Turbo-Pascal, UNIX/NetBSD, Switch-Mode Power Supplies
> 
> "The day Microsoft makes something that doesn't suck is probably the day
> they start making vacuum cleaners" - Ernst Jan Plugge
>