>>>>> "eeh" == eeh  <eeh@netbsd.org> writes:
    eeh> Try booting with -V.  Also do a `.trap-registers'.

ok boot net netbsd.gz -V -v
Boot device: /sbus/SUNW,hme@e,8c00000  File and args: netbsd.gz -V -v
15800 >> NetBSD/sparc64 OpenFirmware Boot, Revision 
>> (chs@ultra2, Sun Dec 23 01:59:35 PST 2001)
Using BOOTPARAMS protocol: ip address: 192.168.171.10, hostname: tidy
root addr=192.168.171.1 path=/usr/src/tidy/root
loadfile: reading header
elf64_exec: Booting /sbus@1f,0/SUNW,hme@e,8c00000/netbsd.gz
4803384@0x1000000+135096@0x1800000+4059208@0x1820fb8 
symbols @ 0xfff04300 74+324096+173216 start=0x1000000
chain: calling OF_chain(800000, eef0, 1000000, fffb1a80, 18)
[ using 498160 bytes of netbsd ELF symbol table ]
Fast Data Access MMU Miss                        
ok .trap-registers
%TL:1 %TT:68 %TPC:1009ba8 %TnPC:1009bac 
%TSTATE:82000405  %CWP:5 
   %PSTATE:4 AG:0 IE:0 PRIV:1 AM:0 PEF:0 RED:0 MM:0 TLE:0 CLE:0 MG:0 IG:0 
   %ASI:82  %CCR:0  XCC:nzvc   ICC:nzvc

%TL:2 %TT:68 %TPC:f0003048 %TnPC:f000304c 
%TSTATE:4458041405  %CWP:5 
   %PSTATE:414 AG:0 IE:0 PRIV:1 AM:0 PEF:1 RED:0 MM:0 TLE:0 CLE:0 MG:1 IG:0 
   %ASI:58  %CCR:44  XCC:nZvc   ICC:nZvc

%TL:3 %TT:68 %TPC:f0004e70 %TnPC:f0004e74 
%TSTATE:8058041404  %CWP:4 
   %PSTATE:414 AG:0 IE:0 PRIV:1 AM:0 PEF:1 RED:0 MM:0 TLE:0 CLE:0 MG:1 IG:0 
   %ASI:58  %CCR:80  XCC:Nzvc   ICC:nzvc

%TL:4 %TT:1ff %TPC:fffffffffffffffc %TnPC:fffffffffffffffc 
%TSTATE:a82908c000  %CWP:0 
   %PSTATE:8c0 AG:0 IE:0 PRIV:0 AM:0 PEF:0 RED:0 MM:3 TLE:0 CLE:0 MG:0 IG:1 
   %ASI:29  %CCR:a8  XCC:NzVc   ICC:Nzvc

%TL:5 %TT:1ff %TPC:fffffffffffffffc %TnPC:fffffffffffffffc 
%TSTATE:2000020000  %CWP:0 
   %PSTATE:200 AG:0 IE:0 PRIV:0 AM:0 PEF:0 RED:0 MM:0 TLE:0 CLE:1 MG:0 IG:0 
   %ASI:0  %CCR:20  XCC:nzVc   ICC:nzvc

Suggestions?