From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout3.freenet.de ([195.4.92.93]:34353 "EHLO mout3.freenet.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750839AbbG2Qez (ORCPT ); Wed, 29 Jul 2015 12:34:55 -0400 Subject: Re: Since Linux 4.1: A lot of AMD-Vi IO_PAGE_FAULTs To: Joerg Roedel , Andreas Hartmann References: <55AE5F84.5020204@01019freenet.de> <1437492886.1391.847.camel@redhat.com> <20150721155635.GE10969@8bytes.org> <55AE7147.7070902@maya.org> <20150721163517.GG10969@8bytes.org> <55B1BDA3.3030507@maya.org> <55B27CEB.6010007@maya.org> <20150729152208.GS10969@8bytes.org> Cc: Bjorn Helgaas , Alex Williamson , linux-pci , iommu , Tejun Heo , "linux-ide@vger.kernel.org" From: Andreas Hartmann Message-ID: <55B8FFCB.30602@maya.org> Date: Wed, 29 Jul 2015 18:31:07 +0200 MIME-Version: 1.0 In-Reply-To: <20150729152208.GS10969@8bytes.org> Content-Type: text/plain; charset=windows-1252 Sender: linux-pci-owner@vger.kernel.org List-ID: Hi Jörg, On 07/29/2015 at 05:22 PM, Joerg Roedel wrote: > Hi Andreas, > > On Fri, Jul 24, 2015 at 07:59:07PM +0200, Andreas Hartmann wrote: >> New information: During testing, I now realized that Linux 4.0.9 shows >> the same problem ... . I'm now testing 3.19.4. > > Have you seen the issue on 3.19 too or hasn't it happened there at all > yet? The question is where to look for a commit that breaks it on your > machine. 3.19 works perfectly. It's an issue with new dm crypt: http://www.spinics.net/lists/dm-devel/msg24019.html Thanks for asking! Regards, Andreas