linux-kernel - Re: AMD IOMMU causing filesystem corruption

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Message-ID: <4e1ccc54-440b-b848-5623-2c5849e2d0c1@sieb.net>
Date:   Tue, 25 Apr 2017 10:55:24 -0700
From:   Samuel Sieb <samuel@...b.net>
To:     Joerg Roedel <joro@...tes.org>
Cc:     Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: AMD IOMMU causing filesystem corruption

On 04/07/2017 03:27 AM, Joerg Roedel wrote:
> Also, please try the attached debug-diff on your kernel. It completly
> disables the use of ATS in the amd-iommu driver.
> 
I applied this patch to 4.11.0 rc8 and then stress tested the laptop 
with another kernel build while running graphical applications and there 
appears to be no damage to the filesystem.  Is there any way to 
determine if ATS is enabled or disabled?