The binaries simply aren't there. I already have a bug open for this:  
PR port-macppc/28642



On Nov 19, 2006, at 7:32 PM, Jens Wurm wrote:

> Subject: sysinst+newfs_lfs problem
> From: jens
>    Release: NetBSD 3.1_stable
> System: NetBSD-3.1_stable
> Architecture: macppc
> Machine: macppc
>
> Description:
>
> i want to install netbsd-3.1_stable on my powerbook g4, last
> revision. i boot the netbsd-GENERIC_MD.gz from a hfs+ volumes, there
> are no problems.i want to use lfs, as filesystem, the problem is  
> that i
> can in sysinst change the filesystem to 4.4LFS, but it want towrite  
> the
> new filesystem, it comes the following error:
> sysinst: /sbin/newfs_lfs: no such file or directory
> the same error i have by the install of netbsd-3.0.2
>
>
> !DSPAM:4560f79f297631026919348!
>
>
>