From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751596AbVJSWQz (ORCPT ); Wed, 19 Oct 2005 18:16:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751593AbVJSWQz (ORCPT ); Wed, 19 Oct 2005 18:16:55 -0400 Received: from gate.crashing.org ([63.228.1.57]:35044 "EHLO gate.crashing.org") by vger.kernel.org with ESMTP id S1751601AbVJSWQy (ORCPT ); Wed, 19 Oct 2005 18:16:54 -0400 Subject: Re: [BUG] PDC20268 crashing during DMA setup on stock Debian 2.6.12-1-powerpc From: Benjamin Herrenschmidt To: Kyle Moffett Cc: Andrew Morton , Bartlomiej Zolnierkiewicz , LKML Kernel In-Reply-To: <204AB9A8-7701-402F-A6B9-DF455DAA2A3F@mac.com> References: <20051017005855.132266ac.akpm@osdl.org> <1129536482.7620.76.camel@gaston> <6DFB5723-0042-46FE-811F-BF372B068014@mac.com> <204AB9A8-7701-402F-A6B9-DF455DAA2A3F@mac.com> Content-Type: text/plain Date: Thu, 20 Oct 2005 08:13:44 +1000 Message-Id: <1129760024.7620.219.camel@gaston> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2005-10-19 at 13:48 -0400, Kyle Moffett wrote: > Do you have any other ideas WRT this bug? I've been browsing around > in the code a bit, and I plan to try diffing my 2.6.8.1 version of > the files against the latest Debian to see what changed, although I > suspect it will be a relatively fat hunk of changes. Thanks for your > help! Nope. The lspci output looks perfectly normal. I looks like a mixture of issues with BM DMA being disabled for a reason I haven't figured out and then the code crashing because it doesn't like BM-DMA being disabled ... Again, best is you pour printk's all over setup-pci.c and ide-dma.c to figure out what's going on... Ben