Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762264AbWLJRHa (ORCPT ); Sun, 10 Dec 2006 12:07:30 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762265AbWLJRHa (ORCPT ); Sun, 10 Dec 2006 12:07:30 -0500 Received: from mail.suse.de ([195.135.220.2]:50440 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762264AbWLJRHa (ORCPT ); Sun, 10 Dec 2006 12:07:30 -0500 From: Andreas Schwab To: Benjamin Herrenschmidt Cc: Paul Collins , linuxppc-dev@ozlabs.org, paulus@samba.org, linux-kernel@vger.kernel.org Subject: Re: powerpc: "IRQ probe failed (0x0)" on powerbook References: <87lklg9rkz.fsf@briny.internal.ondioline.org> <1165737970.1103.171.camel@localhost.localdomain> X-Yow: TAILFINS!! ...click... Date: Sun, 10 Dec 2006 18:07:19 +0100 In-Reply-To: <1165737970.1103.171.camel@localhost.localdomain> (Benjamin Herrenschmidt's message of "Sun, 10 Dec 2006 19:06:10 +1100") Message-ID: User-Agent: Gnus/5.110006 (No Gnus v0.6) Emacs/22.0.91 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1458 Lines: 41 Benjamin Herrenschmidt writes: > On Sun, 2006-12-10 at 19:45 +1300, Paul Collins wrote: >> On my PowerBook when booting Linus's tree as of commit af1713e0 I get >> something like this: >> >> [blah blah] >> ide0: Found Apple UniNorth ATA-6 controller, bus ID 3, irq 0 >> Probing IDE interface ide0... >> hda: HTS541080G9AT00, ATA DISK drive >> IRQ probe failed (0x0) >> IRQ probe failed (0x0) >> IRQ probe failed (0x0) >> IRQ probe failed (0x0) >> >> And then of course it fails to mount root. No such problem using a >> kernel built from commit 97be852f of December 2nd. > > I'll investigate tomorrow, looks like irq assignment got broken in a way > or another for that IDE controller. Bisection has identified this patch: commit f90bb153b1493719d18b4529a46ebfe43220ea6c Author: Benjamin Herrenschmidt Date: Sat Nov 11 17:24:51 2006 +1100 [POWERPC] Make pci_read_irq_line the default Andreas. -- Andreas Schwab, SuSE Labs, schwab@suse.de SuSE Linux Products GmbH, Maxfeldstra?e 5, 90409 N?rnberg, Germany PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different." - 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/