From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <benh@kernel.crashing.org>
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 ESMTP id 0ED0267CA2
	for <linuxppc-dev@ozlabs.org>; Tue, 12 Dec 2006 07:30:04 +1100 (EST)
Subject: Re: powerpc: "IRQ probe failed (0x0)" on powerbook
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Christoph Hellwig <hch@infradead.org>
In-Reply-To: <20061211112017.GA16399@infradead.org>
References: <87lklg9rkz.fsf@briny.internal.ondioline.org>
	<20061211112017.GA16399@infradead.org>
Content-Type: text/plain
Date: Tue, 12 Dec 2006 07:28:23 +1100
Message-Id: <1165868903.7260.53.camel@localhost.localdomain>
Mime-Version: 1.0
Cc: linuxppc-dev@ozlabs.org, paulus@samba.org, linux-kernel@vger.kernel.org
List-Id: Linux on PowerPC Developers Mail List <linuxppc-dev.ozlabs.org>
List-Unsubscribe: <https://ozlabs.org/mailman/listinfo/linuxppc-dev>,
	<mailto:linuxppc-dev-request@ozlabs.org?subject=unsubscribe>
List-Archive: <http://ozlabs.org/pipermail/linuxppc-dev>
List-Post: <mailto:linuxppc-dev@ozlabs.org>
List-Help: <mailto:linuxppc-dev-request@ozlabs.org?subject=help>
List-Subscribe: <https://ozlabs.org/mailman/listinfo/linuxppc-dev>,
	<mailto:linuxppc-dev-request@ozlabs.org?subject=subscribe>

On Mon, 2006-12-11 at 11:20 +0000, Christoph Hellwig wrote:
> On Sun, Dec 10, 2006 at 07:45:48PM +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.
> 
> Same here, btw - except that I couldn't catch the exact message as
> nicely.

Yeah, fixed in the patch I sent yesterday [PATCH] powerpc: Fix irq
routing on some PowerMac 32 bit.

Ben