Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757777Ab0HJSFb (ORCPT ); Tue, 10 Aug 2010 14:05:31 -0400 Received: from vs244178.vserver.de ([62.75.244.178]:44473 "EHLO smtp.eikelenboom.it" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757679Ab0HJSF1 convert rfc822-to-8bit (ORCPT ); Tue, 10 Aug 2010 14:05:27 -0400 Date: Tue, 10 Aug 2010 20:05:14 +0200 From: Sander Eikelenboom Organization: Eikelenboom IT services X-Priority: 3 (Normal) Message-ID: <1609756756.20100810200514@eikelenboom.it> To: Joerg Roedel CC: linux-kernel@vger.kernel.org Subject: Re: [2.6.35] AMD-Vi: Enabling IOMMU at 0000:00:00.2 cap 0x40 BUG: unable to handle kernel NULL pointer dereference at 0000000000000198 In-Reply-To: <20100810180122.GR23755@8bytes.org> References: <1154489525.20100810164850@eikelenboom.it> <20100810162606.GQ23755@8bytes.org> <419601760.20100810185745@eikelenboom.it> <20100810180122.GR23755@8bytes.org> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1471 Lines: 42 Hello Joerg, Could you also provide a perhaps more specific message what is wrong with the bios, that i could forward to MSI, in the hope it will reach the bios engineers someday ? :-) -- Sander Tuesday, August 10, 2010, 8:01:22 PM, you wrote: > On Tue, Aug 10, 2010 at 06:57:45PM +0200, Sander Eikelenboom wrote: >> The requested info is attached. >> So that would mean a bios problem ? (those are not on my wishlist :-p) > Yeah, looks like a BIOS problem. But the driver should handle that > without crashing the system, so there is a bug in the driver too. > Problem is: > AMD-Vi: DEV_ALIAS_RANGE devid: 0a:01.0 flags: 00 devid_to: 0a:00.0 > AMD-Vi: DEV_RANGE_END devid: 0a:1f.7 > This means that PCI devices from 0a:01.0 to 0a:1f.7 may use their own > device-id or 0a:00.0. But a device which id 0a:00.0 is not present in > the system. From the lspci output this looks like your USB3 controler > should alias to 09:00.0. I prepare a patch for you to fix the crash but > I can't guarantee that your USB3 controler will work afterwards. If you > see IO-Page-Faults please report them to me. > Joerg -- Best regards, Sander mailto:linux@eikelenboom.it -- 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/