Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751192AbWI3Je1 (ORCPT ); Sat, 30 Sep 2006 05:34:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751193AbWI3Je0 (ORCPT ); Sat, 30 Sep 2006 05:34:26 -0400 Received: from mtagate5.uk.ibm.com ([195.212.29.138]:16044 "EHLO mtagate5.uk.ibm.com") by vger.kernel.org with ESMTP id S1751192AbWI3Je0 (ORCPT ); Sat, 30 Sep 2006 05:34:26 -0400 Date: Sat, 30 Sep 2006 12:34:21 +0300 From: Muli Ben-Yehuda To: Jeff Garzik Cc: Andrew Morton , Greg KH , Jim Paradis , Andi Kleen , LKML , jdmason@kudzu.us Subject: Re: [PATCH] x86[-64] PCI domain support Message-ID: <20060930093421.GP22787@rhun.haifa.ibm.com> References: <20060926191508.GA6350@havoc.gtf.org> <20060928093332.GG22787@rhun.haifa.ibm.com> <451B99C5.7080809@garzik.org> <20060928224550.GJ22787@rhun.haifa.ibm.com> <451C54C0.6080402@garzik.org> <20060928233116.GK22787@rhun.haifa.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060928233116.GK22787@rhun.haifa.ibm.com> User-Agent: Mutt/1.5.11 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1221 Lines: 29 On Fri, Sep 29, 2006 at 02:31:16AM +0300, Muli Ben-Yehuda wrote: > On Thu, Sep 28, 2006 at 07:03:28PM -0400, Jeff Garzik wrote: > > > hmmmm. What kernels did you test? > > mainline as of today + several unrelated Calgary patches I'll post > shortly + your PCI domains patch + my Calgary patch. I'll test with > iommu=off next. > > > That should narrow down the problems. A problem with aic94xx sorta > > sounds like something unrelated. > > Not necessarily - Calgary is an isolating IOMMU, meaning that if we > set up a mapping for aic94xx in the wrong IO space due to a Calgary > bug, aic94xx will fall over and die. Usually however this happens a > lot sooner. Also, we have code in Calgary to detect when an errant DMA > happens and it hasn't triggered in this case. Ok, turns out it's neither a PCI domains nor Calgary issue, since I can reproduce it on mainline with iommu=off. Must be an aic94xx issue, I'll send the details to linux-scsi in a bit. Cheers, Muli - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/