Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755283AbXL1FcT (ORCPT ); Fri, 28 Dec 2007 00:32:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751056AbXL1FcI (ORCPT ); Fri, 28 Dec 2007 00:32:08 -0500 Received: from gate.crashing.org ([63.228.1.57]:55125 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750762AbXL1FcF (ORCPT ); Fri, 28 Dec 2007 00:32:05 -0500 Subject: Re: [Patch v2] Make PCI extended config space (MMCONFIG) a driver opt-in From: Benjamin Herrenschmidt Reply-To: benh@kernel.crashing.org To: Kai Ruhnau Cc: Linus Torvalds , Loic Prylli , Robert Hancock , Jeff Garzik , Arjan van de Ven , Linux Kernel Mailing List , gregkh@suse.de, linux-pci , Martin Mares , Matthew Wilcox In-Reply-To: <47742498.1060900@tragetaschen.dyndns.org> References: <4773EBB4.2020805@shaw.ca> <477414C9.3040906@myri.com> <47742498.1060900@tragetaschen.dyndns.org> Content-Type: text/plain Date: Fri, 28 Dec 2007 16:31:22 +1100 Message-Id: <1198819882.7209.29.camel@pasglop> Mime-Version: 1.0 X-Mailer: Evolution 2.12.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 985 Lines: 32 On Thu, 2007-12-27 at 23:18 +0100, Kai Ruhnau wrote: > That one did not work out so well. > I reenabled the call to pci_enable_crs() and changed the line as above. > That resulted in two timeouts (from dmesg): > > [....] > ACPI: Interpreter enabled > ACPI: (supports S0 S3 S4 S5) > ACPI: Using IOACPI for interrupt routing > ACPI: PCI Root Bridge [PCI0] (0000:00) > Device 0000:01:00.0 not responding > Device 0000:02:00.0 not responding > [....] > > Then, the kernel boots up normally except of graphics and network card > not showing up at all in lspci. Could be that DRS is totally broken on those bridges. Might need some per bridge quirks to disable CRS. But don't do that by default please, other people need it. Cheers, Ben. -- 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/