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

From: David Woodhouse
Date: Sun Sep 20 2009 - 01:09:24 EST


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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/