From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932299AbdDGKXF (ORCPT ); Fri, 7 Apr 2017 06:23:05 -0400 Received: from 8bytes.org ([81.169.241.247]:47995 "EHLO theia.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753754AbdDGKW5 (ORCPT ); Fri, 7 Apr 2017 06:22:57 -0400 Date: Fri, 7 Apr 2017 12:22:52 +0200 From: Joerg Roedel To: Samuel Sieb Cc: Linux Kernel Subject: Re: AMD IOMMU causing filesystem corruption Message-ID: <20170407102252.GX7266@8bytes.org> References: <5ea65f55-e5eb-11a5-14ab-e721d2f95ed6@sieb.net> <20170403213909.GR7266@8bytes.org> <32afc9d1-a2db-f9dc-bbe0-d894967dc8ad@sieb.net> <935473d9-e75b-c019-0dde-063855067858@sieb.net> <20170404073215.GS7266@8bytes.org> <5838b65d-0f2f-86b1-1041-a28d42fc9881@sieb.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5838b65d-0f2f-86b1-1041-a28d42fc9881@sieb.net> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Apr 04, 2017 at 09:29:37AM -0700, Samuel Sieb wrote: > That's what I did. While running with iommu=off, I compiled and > installed a 4.11rc kernel with the patch. I rebooted to use that > kernel and then compiled and installed a 4.10 kernel with that patch > and another unrelated patch. That is what I described above. The > filesystem destruction happened while running the 4.11rc kernel with > that patch. Is there any way to verify that the patch was actually > having any effect? Can I check if ATS is enabled or not? I will > have to rebuild the system before I can test again. Can you please send me output of 'lspci -nv' on your system? Thanks, Joerg