The following reply was made to PR kern/29838; it has been noted by GNATS.

From: Manuel Bouyer <bouyer@antioche.eu.org>
To: gnats-bugs@NetBSD.org
Cc: kern-bug-people@NetBSD.org, gnats-admin@NetBSD.org,
	netbsd-bugs@NetBSD.org
Subject: Re: kern/29838: Cannot newfs vnd(4) sparse files
Date: Wed, 30 Mar 2005 18:57:59 +0200

 On Wed, Mar 30, 2005 at 04:41:00PM +0000, juan@xtraeme.nopcode.org wrote:
 > 	When trying to use NetBSD/Xen with vnd(4) files,
 > 	cannot use newfs(8) on sparse files created with dd(1):
 
 Yes, this is a known limitation of vnd(4) (at last, known to someone
 who read the sources :). A note in the man page would be good.
 
 The changes I've done to use a kernel thread context for I/O to the file
 may help fixing this, but I don't know how ...
 
 -- 
 Manuel Bouyer <bouyer@antioche.eu.org>
      NetBSD: 26 ans d'experience feront toujours la difference
 --