From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264647AbUEJMH0 (ORCPT ); Mon, 10 May 2004 08:07:26 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264655AbUEJMHZ (ORCPT ); Mon, 10 May 2004 08:07:25 -0400 Received: from legolas.restena.lu ([158.64.1.34]:46237 "EHLO smtp.restena.lu") by vger.kernel.org with ESMTP id S264647AbUEJMHQ (ORCPT ); Mon, 10 May 2004 08:07:16 -0400 Subject: Re: IO-APIC on nforce2 [PATCH] + [PATCH] for nmi_debug=1 + [PATCH] From: Craig Bradney To: ross@datscreative.com.au Cc: Ian Kumlien , linux-kernel@vger.kernel.org, Len Brown , a.verweij@student.tudelft.nl, "Prakash K. Cheemplavam" , christian.kroener@tu-harburg.de, "Maciej W. Rozycki" , Jamie Lokier , Daniel Drake , Allen Martin In-Reply-To: <200405102137.11468.ross@datscreative.com.au> References: <200405102137.11468.ross@datscreative.com.au> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-ckArD5ycp4QaMDDhYbjY" Message-Id: <1084190822.8242.46.camel@amilo.bradney.info> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 Date: Mon, 10 May 2004 14:07:02 +0200 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --=-ckArD5ycp4QaMDDhYbjY Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Mon, 2004-05-10 at 13:37, Ross Dickson wrote: > Craig Bradney wrote >=20 > >Well.. 2.6.6 is released.. and THANK YOU Linus and all the patch=20 > > writers.. we have nforce2 fixes in the released kernel now. I'm just=20 > > waiting for a gentoo-dev-sources release now..=20 > >=20 > > > > > >Craig=20 >=20 > MOMENT PLEASE. > ALMOST complete nforce2 support. Job not done yet. I was waiting for that... > Unfortunately 2.6.6 still has the old check_timer code which inhibits > nmi_watchdog=3D1 on all nforce2 from working by having timer_ack=3D1 > when checking io-apic pit routing. >=20 > It is a hardware issue - NOT A BUGGY BIOS ISSUE inside the integrated=20 > nforce2 interrupt routing. >=20 > To my understanding IT WILL NEVER BE FIXED BY A BIOS REVISION and=20 > after reading the 8259 datasheets I think it is a mistake within the > existing code to have the timer_ack on there in the first place.=20 >=20 > I would still like to see Maciej's check_timer patch in the kernel. It wa= s > pulled after only a single user mobo complaint was posted yet it helps > both nforce2 and ibm bios pc's. To my knowledge little effort was made > by that user to accomodate the patch - it was just outright pulled in spi= te > of its benefit to others? >=20 > Who do we ask to revisit this? Linus? the io-apic.c maintainer? or the on= e > user with a complaint? >=20 > That patch that was dropped by Linus? after appearing in 2.6.3-mm3.=20 > For those nforce2 users with problems of clock skew with the timer into p= in0 > routing, that patch gave a virtual wire timer routing which worked well. Why was it dropped? > It also works around serious problems for ibm users who also want it in. > http://linux.derkeiler.com/Mailing-Lists/Kernel/2004-04/4421.html It looks like theres IDE caching problems with the new flushing mechanism on Maxtor 8mb cache drives.. of which I have 2, so, looks like I'm awaiting 2.6.7 now anyway or a patch to remove it. Craig --=-ckArD5ycp4QaMDDhYbjY Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) iD8DBQBAn3Bmi+pIEYrr7mQRApMEAJ93k3QK/OaoX0d8B1dkyjxztZtyfACfShkA czglwHVuz1KxAwdGzy6hvIU= =GdtR -----END PGP SIGNATURE----- --=-ckArD5ycp4QaMDDhYbjY--