linux-kernel - Re: 3.6.11 AMD-Vi: Completion-Wait loop timed out

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Date:	Mon, 21 Jan 2013 09:37:31 -0500
From:	Boris Ostrovsky <boris.ostrovsky@....com>
To:	Jörg Rödel <joro@...tes.org>
CC:	Borislav Petkov <bp@...en8.de>,
	Udo van den Heuvel <udovdh@...all.nl>,
	<linux-kernel@...r.kernel.org>, Jacob Shin <jacob.shin@....com>
Subject: Re: 3.6.11  AMD-Vi: Completion-Wait loop timed out



On 01/20/2013 06:57 AM, Jörg Rödel wrote:
> On Sun, Jan 20, 2013 at 12:48:28PM +0100, Borislav Petkov wrote:
>> On Sun, Jan 20, 2013 at 12:40:11PM +0100, Jörg Rödel wrote:
>>> Yes, the BIOS vendor can fix this issue. They need to disable NB clock
>>> gating for the IOMMU.
>>
>> Right, Udo, you can try Gigabyte first.
>>
>> Btw, can't we add a quirk to disable NB clock gating? Maybe Boris and
>> Jacob could help. CCed.


Are you talking about erratum 746?

-boris


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