Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762949AbZAHV53 (ORCPT ); Thu, 8 Jan 2009 16:57:29 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755221AbZAHV5U (ORCPT ); Thu, 8 Jan 2009 16:57:20 -0500 Received: from bombadil.infradead.org ([18.85.46.34]:39601 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754615AbZAHV5T (ORCPT ); Thu, 8 Jan 2009 16:57:19 -0500 Date: Thu, 8 Jan 2009 13:56:25 -0800 From: Dirk Hohndel To: Grant Grundler Cc: Ingo Molnar , iommu@lists.linux-foundation.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Jesse Barnes , Arjan van de Ven Subject: Re: git-latest: kernel oops in IOMMU setup Message-ID: <20090108135625.7e8dc1b4@infradead.org> In-Reply-To: <20090108214116.GB20506@colo.lackof.org> References: <20090108120538.0176d348@infradead.org> <20090108214116.GB20506@colo.lackof.org> X-Mailer: Claws Mail 3.6.1 (GTK+ 2.14.5; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1136 Lines: 33 On Thu, 8 Jan 2009 14:41:16 -0700 Grant Grundler wrote: > On Thu, Jan 08, 2009 at 12:05:38PM -0800, Dirk Hohndel wrote: > > > > latest git from Linus. On a Thinkpad x200s with VT-d enabled (if I > > disable VT-d, this of course goes away). > > > > The oops happens very early during boot in device_to_iommu (called > > from domain_context_mapping_one). Look here, that's where it's called from. Do you want me to note down the complete backtrace? > If you can, a back trace. Basically just need to know which caller > is tripping over this. But there can't be that many callers and they > are all in this file: > ... > so it should be possible to figure out which one is called > before the dev is setup. It's unlikely to be anything with > "remove" in the name. :) correct - it's context_mapping_one -- Dirk Hohndel Intel Open Source Technology Center -- 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/