> Date: Wed, 6 Dec 1995 16:37:06 +0000
> From: jules@mailbox.co.uk (Julian Bean)

[ Failures in netboot... ]

> So, I decided to go get the shiny new netboot 1.2 (I had been using 1.1.1.1).
> 
> The booting is much more verbose now,
Yes, that version is compiled for debugging.

> >> NetBSD netboot [$Revision: 1.2a $]
> Boot device type: le: Sun/Lance Ethernet
[ prom_iopen: ... ]
> Using IP Address 205.199.253.25 = CDC7FD19
> prom_iopen: succeeded, error=0
> le: missed packet
> boot: client addr: 205.199.253.25
> le: missed packet
> bootparamd: 'whoami' call failed
> boot: netbsd: Input/output error
> boot:
> 
> And it waits for input...

Those "le: missed packet" messages must be from the PROM.
What PROM version is it?  The netif_sun.c routines may need
to be tweaked to retry more agressively or something...

Can you run tcpdump somewhere while netboot runs?
Are you able to rebuild netboot yourself?

Gordon