Re: [Xen-devel] BLKTAPCTRL[2375]: blktapctrl_linux.c:86: blktap0

To:	Pasi Kärkkäinen <pasik@xxxxxx>, Dante Cinco <dantecinco@xxxxxxxxx>
Subject:	Re: [Xen-devel] BLKTAPCTRL[2375]: blktapctrl_linux.c:86: blktap0 open failed
From:	Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date:	Fri, 23 Jul 2010 08:07:20 +0100
Cc:	Jeremy Fitzhardinge <jeremy@xxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Jim Fehlig <jfehlig@xxxxxxxxxx>, Daniel Stodden <Daniel.Stodden@xxxxxxxxxx>
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On 22/07/2010 22:10, "Pasi Kärkkäinen" <pasik@xxxxxx> wrote:

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

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

 -- Keir



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