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Re: [Xen-devel] VT-D On An Asus P5E-VM DO Motherboard Not Working, Xen

from [Michael MacLeod] [Permanent Link][Original]
To: "Han, Weidong" <weidong.han@xxxxxxxxx>
Subject: Re: [Xen-devel] VT-D On An Asus P5E-VM DO Motherboard Not Working, Xen 3.4.1
From: Michael MacLeod <mikemacleod@xxxxxxxxx>
Date: Sun, 27 Sep 2009 11:35:43 -0400
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2009/9/27 Han, Weidong <weidong.han@xxxxxxxxx>
Really? I found following lines in your messages. The base address of RMRR is larger than the end address. It's an obvious error of your BIOS. Thus VT-d is disabled. 

Han,

I'm not denying that my BIOS has an error. The question is whether it's an error that can be worked around, and why does it affect my particular motherboard, but not other people who have the same motherboard and the same BIOS revision? These same other users have demonstrated that the DMAR table in their BIOS is also corrupt, but that their installation of Xen is able to cope with it anyway. I'm hoping that Xen can be made to cope with mine too.

Cheers,
Mike 
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