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Re: [Xen-devel] Xen 4.0.0-rc7 problem/hang with vt-d DMAR parsing

from [Keir Fraser] [Permanent Link][Original]
To: Pasi Kärkkäinen <pasik@xxxxxx>
Subject: Re: [Xen-devel] Xen 4.0.0-rc7 problem/hang with vt-d DMAR parsing
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Tue, 23 Mar 2010 19:54:33 +0000
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Weidong Han <weidong.han@xxxxxxxxx>
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On 23/03/2010 19:37, "Pasi Kärkkäinen" <pasik@xxxxxx> wrote:

>> It's not impossible that the BIOS VT-d support is just broken (I assume
>> you've never tested VT-d on this particular type of system before).
> 
> Yeah, I've never used VT-d on this system earlier, so it could just be broken
> BIOS.
> I guess Xen still shouldn't hang on it?

We'd prefer to gracefully disable VT-d.

 -- Keir



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