linux-kernel - Re: Current git fails to boot with VT-D enabled due to flood of DMAR errors

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Date:	Sat, 19 Sep 2009 22:09:13 -0700
From:	David Woodhouse <dwmw2@...radead.org>
To:	Robert Hancock <hancockrwd@...il.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: Current git fails to boot with VT-D enabled due to flood of 
 DMAR errors

On Sat, 2009-09-19 at 22:46 -0600, Robert Hancock wrote:
> 
> Yeah, I just came across that patch. Is that going to get pushed for 
> 2.6.32? It seems like something caused us to start tripping over this
> by default when we didn't before. (Passing intel_iommu=on with
> 2.6.30.5 does cause the same problem.)

Yes, I'll push it in the next day or so. Just waiting for another
last-minute fix to be tested by someone other than me, and then I'll ask
Linus to pull.

> I'll try and report the problem to Asus, obviously something's borked 
> with VT-d in their BIOS currently..

Good luck with that. Their normal response is to say "it boots Windows
so it must be perfect". Despite the fact that Windows doesn't actually
use VT-d. Idiots.

-- 
dwmw2

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