From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751882Ab2DYPAV (ORCPT ); Wed, 25 Apr 2012 11:00:21 -0400 Received: from mail-ob0-f174.google.com ([209.85.214.174]:37228 "EHLO mail-ob0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750757Ab2DYPAU (ORCPT ); Wed, 25 Apr 2012 11:00:20 -0400 Message-ID: <4F98117C.7080309@lwfinger.net> Date: Wed, 25 Apr 2012 10:00:12 -0500 From: Larry Finger User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:11.0) Gecko/20120328 Thunderbird/11.0.1 MIME-Version: 1.0 To: Benjamin Herrenschmidt CC: Paul Mackerras , linuxppc-dev@lists.ozlabs.org, LKML Subject: Re: Regression in 32-bit ppc kernel References: <4F973026.3020103@lwfinger.net> <1335311621.15830.42.camel@pasglop> <4F976352.4060001@lwfinger.net> <1335327081.21961.28.camel@pasglop> In-Reply-To: <1335327081.21961.28.camel@pasglop> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 04/24/2012 11:11 PM, Benjamin Herrenschmidt wrote: > On Tue, 2012-04-24 at 21:37 -0500, Larry Finger wrote: >>>> Somewhere between v3.2 and v3.3, the kernel in my Powerbook G4 >> started issuing >>>> the following traceback on bootup: >>> >>> Does it continue working afterward or not at all ? >>> >>> Are you using the old IDE driver or the newer libata based >> pata_macio ? >> >> Yes, it finishes the boot, and appears to work correctly. If a device >> is >> missing, I do not know what it is. >> >> I think I am using the old IDE driver. >> > Interesting. Does it make a difference if you switch to pata_macio ? After a few tries, I managed to change over to pata_macio. Fortunately, most of the system used dev-by-id or UUID, thus most of the process was getting all the kernel pieces built in. Unfortunately, the original problem remains. I have resumed the bisecting - only 11 steps to go. I should have it by Friday! :) Larry