From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754343AbYIZCTU (ORCPT ); Thu, 25 Sep 2008 22:19:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752524AbYIZCTM (ORCPT ); Thu, 25 Sep 2008 22:19:12 -0400 Received: from mail.anarazel.de ([217.115.131.40]:50435 "EHLO smtp.anarazel.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752844AbYIZCTL (ORCPT ); Thu, 25 Sep 2008 22:19:11 -0400 From: Andres Freund To: Jeff Garzik Subject: Re: bad DMAR interaction with iwlagn and SATA Date: Fri, 26 Sep 2008 04:18:50 +0200 User-Agent: KMail/1.10.1 (Linux/2.6.27-rc7; KDE/4.1.1; x86_64; ; ) Cc: linux-kernel@vger.kernel.org References: <200809251511.20132.andres@anarazel.de> <48DC44D4.8000103@garzik.org> In-Reply-To: <48DC44D4.8000103@garzik.org> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart2391497.0mNc8PqLAe"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200809260419.07713.andres@anarazel.de> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --nextPart2391497.0mNc8PqLAe Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Hi Jeff, On Friday 26 September 2008, you wrote in "Re: bad DMAR interaction with=20 iwlagn and SATA": > Andres Freund wrote: > > sleeping I activated DMAR... > > .. > > Second: > > [ 2937.484251] DMAR:[DMA Read] Request device [00:1f.2] fault addr > > fffbf000 [ 2937.484255] DMAR:[fault reason 06] PTE Read access is not s= et > > [ 2937.484297] ata1.00: exception Emask 0x60 SAct 0x1 SErr 0x800 action > > 0x6 frozen > > [ 2937.484303] ata1.00: irq_stat 0x20000000, host bus error > > [ 2937.484309] ata1: SError: { HostInt } > > [ 2937.484319] ata1.00: cmd 61/08:00:c0:1d:6b/00:00:07:00:00/40 tag 0 n= cq > > 4096 out > > [ 2937.484321] res 40/00:00:c0:1d:6b/00:00:07:00:00/40 Emask > > 0x60 (host bus error) > Ouch, a host bus error is serious nastiness... I only hit that with DMAR activated (hit it twice, different boots), so it= =20 seems to be related to that. Is there anything I can help to debug that? Andres --nextPart2391497.0mNc8PqLAe Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEABECAAYFAkjcRosACgkQporPraT14igTKwCfXFLNDkOftx7ddVEKoKIOnhpe WUMAnj6SpTxIjHRZSHGzzKsUB9KjE+S+ =pX3H -----END PGP SIGNATURE----- --nextPart2391497.0mNc8PqLAe--