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

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Date:	Tue, 22 Jan 2013 17:29:17 +0100
From:	Udo van den Heuvel <udovdh@...all.nl>
To:	Boris Ostrovsky <boris.ostrovsky@....com>
CC:	suravee.suthikulpanit@....com, Jacob Shin <jacob.shin@....com>,
	Borislav Petkov <bp@...en8.de>,
	Jörg Rödel <joro@...tes.org>,
	linux-kernel@...r.kernel.org
Subject: Re: 3.6.11  AMD-Vi: Completion-Wait loop timed out

On 2013-01-22 17:12, Boris Ostrovsky wrote:
>> Seen once over here. Correlated with raid-check.
> 
> Then the answer from Gigabyte doesn't prove anything. You can also boot
> Linux without seeing this problem in most cases.

That was my situation until the first time it hit.

> Your BIOS does not have the required erratum workaround. We will provide
> a patch to close that hole but since the problem is not easily
> reproducible (and the erratum is also not easy to trigger) it may be
> difficult to say whether it really helped with your problem.

Can we think of certain loads/actions/etc that could help trigger the issue?
Then if reproducing is easier we can better say if stuff is actually
fixed after the workaround.

Udo

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