On Oct 28, 2005, at 6:56 PM, Antoine Reilles wrote:

> Hi, I'm having trouble booting netbsd (compiled this afternoon) on  
> my powerbook g4 12'
>
> Here is the openfirmware log i get.
> I get this either when rebooting than when using shut-down.
>
> 0 > boot hd:,\ofwboot.xcf load-size=cb84 adler32=9858fe9f
>
> loading XCOFF
>
> tsize=c7f0 dsize=2b4 bsize=25c0 entry=e00000
> SECTIONS:
> .text  00e00000 00e00000 0000c7f0 000000e0
> .data  00e0d000 00e0d000 000002b4 0000c8d0
> .bss   00e0d2b8 00e0d2b8 000025c0 00000000
> loading .text, done..
> loading .data, done..
> clearing .bss, done..
>
>
>>> NetBSD/macppc OpenFirmware Boot, Revision 1.10
>>> (tonio@arcelot, Fri Oct 28 17:50:36 CEST 2005)
>>>
> 4506840+217180 [256192+238667]=0x4fa60c
>  start=0x100000
>
> Invalid memory access at   %SRR0:  fffffffc  %SRR1:  40003030
>  ok
> 0> _
I can provide the result of the .registers command just after such a  
failure.
I get:

Decrementer exception at %SRR0: 80090180   %SRR1: 40003030
     ok
0 > .registers
Client's Fix Pt Regs:
  00 ff846c00 80090180 4fc46a08 0054eb4 0053a35c 00003030 00100250  
0054dfb0
  08 00000000 00540000 00000004 0057ee20 40000082 00000000 00000000  
00000000
  10 00000000 00000000 00000000 00000000 00000000 00000000 00605000  
00100000
  18 00570000 00604ec4 00550000 0056b214 005233f34 ff8985d8 00000100  
00545eb4
Special Regs:
     %IV:    00000400    %SRR0: 80090180  %SRR1: 40003030     %MSR:  
00000000
     %CR:    20004044    %LR: 4fc46a08  %CTR: 00000000   %XER: 00000000
   %DSISR:    42000000    %DAR: 00e17000    %SDR1: 4ffee0000
   %SPRG0:    ff846c00    %SPRG1: 80090180   %SPRG2: 4fc46a08  % 
SPRG3: 4ffdf200
ok
0 > _

Hope it helps,

antoine