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Date:   Mon, 3 Apr 2017 20:37:36 -0700
From:   Samuel Sieb <samuel@...b.net>
To:     Joerg Roedel <joro@...tes.org>
Cc:     linux-kernel@...r.kernel.org
Subject: Re: AMD IOMMU causing filesystem corruption

On 04/03/2017 02:39 PM, Joerg Roedel wrote:
> You have a system based on the AMD Stoney platform, on which the PCI-ATS
> feature of the GPU is broken, as we recently found out.
>
> Can you please test whether the attached patch fixes the issue on your
> machine?
>
Yes, that works, thank you!

Now I'm curious what Windows does.  Either they don't use that feature 
or they already knew to avoid it.  In which case, why did AMD take so 
long to let the kernel developers know?

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