From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mark McLoughlin <markmc@redhat.com>
Subject: Re: Tap:aio not working in current unstable?
Date: Tue, 20 Mar 2007 10:49:33 +0000
Message-ID: <1174387773.3435.6.camel@blaa>
References: <907625E08839C4409CE5768403633E0B018E1A51@sefsexmb1.amd.com>
Mime-Version: 1.0
Content-Type: text/plain
Content-Transfer-Encoding: 7bit
Return-path: <xen-devel-bounces@lists.xensource.com>
In-Reply-To: <907625E08839C4409CE5768403633E0B018E1A51@sefsexmb1.amd.com>
List-Unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xensource.com>
List-Help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-Subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
Sender: xen-devel-bounces@lists.xensource.com
Errors-To: xen-devel-bounces@lists.xensource.com
To: "Petersson, Mats" <Mats.Petersson@amd.com>
Cc: xen-devel@lists.xensource.com
List-Id: xen-devel@lists.xenproject.org

Hi,

On Mon, 2007-03-12 at 17:11 +0100, Petersson, Mats wrote:
> Maybe it's something I'm doing wrong, but I have a 15gb image that I use
> with disk = [ "tap:aio:/root/images/vista32.img,hda,w" ]
> 
> It was working fine on Friday, but today it failed to boot with an error
> message. 
> 
> The same works fine when I replace "tap:aio:" with "file:". It seems
> like qemu-dm tries to open the file with the "aio:" still attached -
> judging by the message in qemu-dm.<pid>.log. 
> 
> I can't see any recent changes that is supposed to change this - did I
> miss something, or is it just gone broken?

	Are you using pygrub? Currently booting from tap:aio fails with pygrub.
See patch at:

  http://lists.xensource.com/archives/html/xen-devel/2007-03/msg00156.html

Cheers,
Mark.