No, the underlying file is local; it's part of the boot floppy
construction sequence:
dd if=/dev/zero of=inst-11.fs bs=100k count=12
vnconfig -v -c /dev/vnd0a inst-11.fs
newfs...
mount /dev/vnd0a /mnt
...
# all OK so far
sh MAKEDEV floppy
panic: locking against myself

> X-Authentication-Warning: lestat.nas.nasa.gov: Host localhost didn't use HELO protocol
> To: David Gluss <david@pure.com>
> Cc: port-i386@netbsd.org
> Subject: Re: Problem building install floppies 
> Reply-To: Jason Thorpe <thorpej@nas.nasa.gov>
> From: Jason Thorpe <thorpej@nas.nasa.gov>
> Date: Thu, 09 Nov 1995 16:31:39 -0800
> Sender: thorpej@nas.nasa.gov
> 
> On Thu, 09 Nov 1995 09:50:39 -0800 
>  David Gluss <david@pure.com> wrote:
> 
>  > This implies a bug in the vnd code, yes?  How come this happens
>  > to me but others can make boot floppies???
> 
> There are many bugs in the vnd code, not the least of which the lossage 
> that occurs if the underlying file is on an NFS server.  Is that your case?
> 
> --------------------------------------------------------------------------
> Jason R. Thorpe                                       thorpej@nas.nasa.gov
> NASA Ames Research Center                               Home: 408.866.1912
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