From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keir Fraser <keir.fraser@eu.citrix.com>
Subject: Re: BLKTAPCTRL[2375]: blktapctrl_linux.c:86: blktap0 open
	failed
Date: Fri, 23 Jul 2010 08:07:20 +0100
Message-ID: <C86EFE38.1B5DA%keir.fraser@eu.citrix.com>
References: <20100722211022.GW17817@reaktio.net>
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To: Pasi =?ISO-8859-1?B?S+Rya2vkaW5lbg==?= <pasik@iki.fi>, Dante Cinco <dantecinco@gmail.com>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>, Xen-devel <xen-devel@lists.xensource.com>, Jim Fehlig <jfehlig@novell.com>, Daniel Stodden <Daniel.Stodden@citrix.com>
List-Id: xen-devel@lists.xenproject.org

On 22/07/2010 22:10, "Pasi K=E4rkk=E4inen" <pasik@iki.fi> wrote:

>> You got it right with tap2 (instead of tap). That's the key.
>>=20
>> So with Xen 4.0.0 and 2.6.32.14 it's: disk =3D [
>> 'tap:tapdisk:vhd:/mnt/win2008sp2.vhd,xvda:sda1,w' ]
>>=20
>> and with Xen 4.0.1-rc4 and 2.6.32.16 it's: disk =3D [
>> 'tap2:tapdisk:vhd:/mnt/win2008sp2.vhd,xvda:sda1,w' ]
>>=20
>> Very subtle change but makes a world of difference. My Windows 2008
>> domU is now booting from a VHD file.
>>=20
>=20
> Uhm.. is this change intentional?

xen-unstable:21338 and xen-4.0-testing:21140. So yes.

 -- Keir