Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964871AbWALLkI (ORCPT ); Thu, 12 Jan 2006 06:40:08 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964890AbWALLkI (ORCPT ); Thu, 12 Jan 2006 06:40:08 -0500 Received: from [81.2.110.250] ([81.2.110.250]:55182 "EHLO lxorguk.ukuu.org.uk") by vger.kernel.org with ESMTP id S964871AbWALLkH (ORCPT ); Thu, 12 Jan 2006 06:40:07 -0500 Subject: Re: [GIT PATCH] PCI patches for 2.6.15 - retry From: Alan Cox To: Reuben Farrelly Cc: Andrew Morton , torvalds@osdl.org, gregkh@suse.de, linux-kernel@vger.kernel.org, linux-pci@atrey.karlin.mff.cuni.cz In-Reply-To: <43C5D34B.1090903@reub.net> References: <20060109203711.GA25023@kroah.com> <20060109164410.3304a0f6.akpm@osdl.org> <1136857742.14532.0.camel@localhost.localdomain> <20060109174941.41b617f6.akpm@osdl.org> <43C5D34B.1090903@reub.net> Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Thu, 12 Jan 2006 11:42:25 +0000 Message-Id: <1137066145.17090.20.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-2.fc4) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 696 Lines: 14 On Iau, 2006-01-12 at 16:55 +1300, Reuben Farrelly wrote: > ata1: SATA max UDMA/133 cmd 0x0 ctl 0x2 bmdma 0x0 irq 0 > ata2: SATA max UDMA/133 cmd 0x0 ctl 0x2 bmdma 0x8 irq 0 > Unable to handle kernel NULL pointer dereference at virtual address 00000000 That is the critical bit. The SATA ports have no PCI resources assigned for bus mastering (BAR 4). libata should have driven the device PIO in this case but the resource should have been assigned. - 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/