From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757440Ab3GLOb0 (ORCPT ); Fri, 12 Jul 2013 10:31:26 -0400 Received: from 8bytes.org ([85.214.48.195]:34302 "EHLO mail.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752392Ab3GLObZ (ORCPT ); Fri, 12 Jul 2013 10:31:25 -0400 Date: Fri, 12 Jul 2013 16:31:22 +0200 From: Joerg Roedel To: Ingo Molnar Cc: Valdis Kletnieks , "Li, Zhen-Hua" , David Woodhouse , linux-kernel@vger.kernel.org Subject: Re: next-20130709 DMAR issues Message-ID: <20130712143122.GF28811@8bytes.org> References: <29624.1373475702@turing-police.cc.vt.edu> <20130712121419.GA22945@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130712121419.GA22945@gmail.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-DSPAM-Result: Whitelisted X-DSPAM-Processed: Fri Jul 12 16:31:23 2013 X-DSPAM-Confidence: 0.9978 X-DSPAM-Probability: 0.0000 X-DSPAM-Signature: 51e0133b20861837640754 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Thanks for the heads-up, Ingo. On Fri, Jul 12, 2013 at 02:14:20PM +0200, Ingo Molnar wrote: > > Jul 10 12:20:19 turing-police kernel: [ 0.021583] DMAR:[fault reason 06] PTE Read access is not set > > > > Now I have 3 extra messages talking about handling a fault status. lspci says 00:1f.2 is: > > > > 00:1f.2 SATA controller: Intel Corporation 7 Series Chipset Family 6-port SATA Controller [AHCI mode] (rev 04) This could be caused by some change in the SATA driver stack. Maybe a DMA buffer is used after unmap or something. > > If this doesn't ring any bells, I'l go do the bisect thing... Yes, a bisection would help here, thanks for doing this. Joerg