Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750700AbWI3KDb (ORCPT ); Sat, 30 Sep 2006 06:03:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750706AbWI3KDb (ORCPT ); Sat, 30 Sep 2006 06:03:31 -0400 Received: from srv5.dvmed.net ([207.36.208.214]:52176 "EHLO mail.dvmed.net") by vger.kernel.org with ESMTP id S1750700AbWI3KDa (ORCPT ); Sat, 30 Sep 2006 06:03:30 -0400 Message-ID: <451E40DF.30406@garzik.org> Date: Sat, 30 Sep 2006 06:03:11 -0400 From: Jeff Garzik User-Agent: Thunderbird 1.5.0.7 (X11/20060913) MIME-Version: 1.0 To: Muli Ben-Yehuda CC: Andrew Morton , Greg KH , Jim Paradis , Andi Kleen , LKML , jdmason@kudzu.us Subject: Re: [PATCH] x86[-64] PCI domain support 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> <20060930093421.GP22787@rhun.haifa.ibm.com> In-Reply-To: <20060930093421.GP22787@rhun.haifa.ibm.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -4.3 (----) X-Spam-Report: SpamAssassin version 3.1.3 on srv5.dvmed.net summary: Content analysis details: (-4.3 points, 5.0 required) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1561 Lines: 36 Muli Ben-Yehuda wrote: > 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. Would you also make sure that Andrew has the necessary bits to keep Calgary going under PCI domains? If it's a patch that sits on top of linux-2.6.git + my patch, I can merge it into misc-2.6.git#pciseg (which automatically goes into -mm). Otherwise, make sure -mm has the stack of patches necessary. Jeff - 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/