Hello,

> ich just tried to install NetBSD 2.1 sparc64 on a Sun Netra.
> 
> If i choose FFSv1 ist works, with FFSv2 i get 
> 
> Executing last command: boot                                          
> Boot device: disk  File and args: 
> NetBSD IEEE 1275 Bootblock
> Invalid superblock magic
> Fast Data Access MMU Miss
> 
> that seems to be a general bug in sparc64 (compare
> http://mail-index.netbsd.org/netbsd-bugs/2004/07/10/0009.html )

More like a non-feature, the bootblock simply doesn't support FFSv2 yet
so your root fs will have to be FFSv1.

have fun
Michael