From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joerg Roedel Subject: Re: Since Linux 4.1: A lot of AMD-Vi IO_PAGE_FAULTs Date: Tue, 21 Jul 2015 18:30:58 +0200 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 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline In-Reply-To: <55AE7147.7070902@maya.org> Sender: linux-pci-owner@vger.kernel.org To: Andreas Hartmann Cc: Alex Williamson , linux-pci , iommu List-Id: iommu@lists.linux-foundation.org On Tue, Jul 21, 2015 at 06:20:23PM +0200, Andreas Hartmann wrote: > Hi J=F6rg, >=20 > 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. >=20 >=20 > Am 21.07.2015 um 17:56 schrieb Joerg Roedel: > > Hi Andreas, > >=20 > > 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 >=20 > To be more precise: The last kernel w/o this problem is 3.18.x - I ne= ver > 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