From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-pci-owner@vger.kernel.org>
Received: from 8bytes.org ([81.169.241.247]:43295 "EHLO theia.8bytes.org"
	rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
	id S1755421AbbGUQa7 (ORCPT <rfc822;linux-pci@vger.kernel.org>);
	Tue, 21 Jul 2015 12:30:59 -0400
Date: Tue, 21 Jul 2015 18:30:58 +0200
From: Joerg Roedel <joro@8bytes.org>
To: Andreas Hartmann <andihartmann@freenet.de>
Cc: Alex Williamson <alex.williamson@redhat.com>,
	linux-pci <linux-pci@vger.kernel.org>,
	iommu <iommu@lists.linux-foundation.org>
Subject: Re: Since Linux 4.1: A lot of AMD-Vi IO_PAGE_FAULTs
Message-ID: <20150721163058.GF10969@8bytes.org>
References: <55AE5F84.5020204@01019freenet.de>
 <1437492886.1391.847.camel@redhat.com>
 <20150721155635.GE10969@8bytes.org>
 <55AE7147.7070902@maya.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=iso-8859-1
In-Reply-To: <55AE7147.7070902@maya.org>
Sender: linux-pci-owner@vger.kernel.org
List-ID: <linux-pci.vger.kernel.org>

On Tue, Jul 21, 2015 at 06:20:23PM +0200, Andreas Hartmann wrote:
> Hi Jörg,
> 
> I attached the dmesg output of the boot seuqence. This time after
> reboot, the amount of IO_PAGE_FAULTs is not that much, but now, I got a
> few ata3.00 errors.
> 
> 
> Am 21.07.2015 um 17:56 schrieb Joerg Roedel:
> > Hi Andreas,
> > 
> > On Tue, Jul 21, 2015 at 09:34:46AM -0600, Alex Williamson wrote:
> >>> Since Linux 4.1, I'm getting a lot of IO_PAGE_FAULT like this one
> 
> To be more precise: The last kernel w/o this problem is 3.18.x - I never
> used 3.19 or 4.0.

Hmm, so you don't know whether 3.19 and 4.0 show the same problems? Can
you find that out eventually? I look into your dmesg in the meantime.


	Joerg