From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 40802B6F77 for ; Sun, 24 Jul 2011 22:07:59 +1000 (EST) Subject: Re: Linux 3.0 boot failure on the Powerbook G4 From: Benjamin Herrenschmidt To: Michael =?ISO-8859-1?Q?B=FCsch?= In-Reply-To: <20110723222034.6757604b@maggie> References: <20110723222034.6757604b@maggie> Content-Type: text/plain; charset="UTF-8" Date: Sun, 24 Jul 2011 22:07:30 +1000 Message-ID: <1311509250.25044.583.camel@pasglop> Mime-Version: 1.0 Cc: linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Sat, 2011-07-23 at 22:20 +0200, Michael Büsch wrote: > Linux 3.0 fails to boot _very_ early on my Powerbook G4. See the > yaboot/OF screenshot: > http://bues.ch/misc/linux-3.0-pbook.jpg > > Linux 2.6.39.2 boots fine. > Does somebody have an idea? Interesting, that's before it even kills OF. Are you booting a zImage or a vmlinux ? It might be also useful to compile yaboot with debug output enabled to figure out where the kernel is loaded so we can try calculating where exactly it dies if it's a vmlinux... Cheers, Ben. > The config can be found here: > http://bues.ch/misc/linux-3.0-ppc-config > It's mostly equivalent to the working 2.6.39 config. I enabled > early OF console, but that didn't help to show better error messages. > > The machine is a: > > cpu : 7447A, altivec supported > clock : 1499.999000MHz > revision : 1.2 (pvr 8003 0102) > platform : PowerMac > motherboard : PowerBook5,6 MacRISC3 Power Macintosh > detected as : 287 (PowerBook G4 15") > pmac-generation : NewWorld >