Thanks.  Looks like that did the trick.

On 11/5/06, Hubert Feyrer <hubert@feyrer.de> wrote:
> On Sun, 5 Nov 2006, Mike Sun wrote:
> > I have created a disk image with "dd if=/dev/zero of=nbsd-disk bs=1k
> > seek=2048k count=1" and am able to start and enter the NetBSD
> ...
> > Do I need to fdisk the file disk image?  Or manually disklabel and
> > create a filesystem on it?
>
> Does the same happen with a non-sparse file (i.e.: "dd if=/dev/zero
> of=nbsd-disk bs=1m count=2000")?
>
>
>   - Hubert