I just net-installed my old Ultra1 (C3D, 200E). No problems
there, but when trying to boot I get the following:

(With reservation for some mistyped numbers)

Boot device: disk  File and args:
NetBSD IEEE 1275 Bootblock
..>> NetBSD/sparc64 OpenFirmware Boot, Revision 1.5
>> (autobuild@cs20.apochromatic.org, Sun Sep 8 11:34:12 UTC 2002)
loadfile: reading header
elf64_exec Booting /sbus@1f,0/SUNW,fas@e,8800000/sd@0,0:a/netbsd
[.. some hex addresses ..]
symbols @ 0xfed84300 74+329592+174878 start=0x1000000
chain: calling OF_chain(80000, e478, 1000000, ffb5a80, 18)
Fast Instruction Access MMU Miss
ok 

Could someone enlighten me on why this occurs? And most
importantly how I can overcome it!

Thanks!

-- 
tobias