Ok...

Well, I'm getting a little further with this thing:

I get the following panic:
	panic: nfs_boot: bootparam whoami, error=55
..i.e. no more mbufs...

After spending lots of time in the debugger this morning, I've come up 
with the following...

	nfs_mountroot->nfs_boot_init->bp_whoami->krpc_call

At this point, it encounters an error condition.  The stack upon panic 
looks like this:

	start->main->nfs_mountroot->nfs_boot_init->panic->Debugger

So, running tcpdump, I see that krpc_call is able to send one packet (and 
the server sends one reply) before mbuf space is exhausted:

10:50:37.171060 ovation.SJ.Xenotropic.COM.1023 > 204.188.152.255.sunrpc: 
	udp 76
10:50:37.236180 basalt.SJ.Xenotropic.COM.sunrpc > 
	ovation.SJ.Xenotropic.COM.1023: udp 108

basalt is an hp380, ovation is the sun 3/50.

Ideas?

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Jason R. Thorpe                                         thorpej@Xenotropic.COM