> pmap_bootstrap: installing kernel page tables...done.
> trap type 0x7: pc=0xffd3f044 npc=0xffd3f048 psr=1e400fc3<S,PS>
> panic: alignment fault
> [...]
> _end(0xf8122580, 0xffd3dd48 0xf8015ab0, 0xc00, 0xf81e5000, 0xf81c0000)
> 	at 0xffd3ff54
> _opennode(0xf8122580, 0x0, 0x0, 0x0, 0x0, 0x8)
> 	at _opennode+0x34

So that's in the middle of the PROM's `v2_open' code. What can it
possibly not like about the argument ("/obio/interrupt") given?

Can you verify that that these PROM nodes exist?

What happens if you use the fall-back code, ie. just have opennode()
return `0' always.

-pk