From mboxrd@z Thu Jan  1 00:00:00 1970
From: Robert Hancock <hancockr@shaw.ca>
Subject: Re: 2.6.28: Moved to SATA driver (w/PATA support), kernel OOPS at
 boot
Date: Sun, 25 Jan 2009 14:18:19 -0600
Message-ID: <497CC90B.1010605@shaw.ca>
References: <alpine.DEB.1.10.0901250741300.11258__18268.0605132648$1232890652$gmane$org@p34.internal.lan>
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Return-path: <linux-ide-owner@vger.kernel.org>
Received: from idcmail-mo2no.shaw.ca ([64.59.134.9]:22643 "EHLO
	idcmail-mo2no.shaw.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1752275AbZAYUSW (ORCPT
	<rfc822;linux-ide@vger.kernel.org>); Sun, 25 Jan 2009 15:18:22 -0500
In-Reply-To: <alpine.DEB.1.10.0901250741300.11258__18268.0605132648$1232890652$gmane$org@p34.internal.lan>
Sender: linux-ide-owner@vger.kernel.org
List-Id: linux-ide@vger.kernel.org
To: Justin Piszcz <jpiszcz@lucidpixels.com>
Cc: linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org

Justin Piszcz wrote:
> Switched from the old IDE interface (disabled it) to SATA only in the 
> kernel:
> 
> [    1.788921] irq 11: nobody cared (try booting with the "irqpoll" option)
> [    1.788978] Pid: 0, comm: swapper Not tainted 2.6.28 #4
> [    1.789031] Call Trace:
> [    1.789085]  [<c0134153>] __report_bad_irq+0x24/0x81
> [    1.789138]  [<c01342df>] note_interrupt+0x12f/0x170
> [    1.789191]  [<c01338dc>] handle_IRQ_event+0x25/0x4a
> [    1.789244]  [<c01348c4>] handle_level_irq+0x7a/0x90
> [    1.789299]  [<c0104e07>] do_IRQ+0x6f/0x88
> [    1.789352]  [<c012c1c4>] getnstimeofday+0x3b/0xd1
> [    1.789407]  [<c010f150>] smp_apic_timer_interrupt+0x41/0x71
> [    1.789461]  [<c0103973>] common_interrupt+0x23/0x28
> [    1.789515]  [<c011c9bf>] __do_softirq+0x2d/0xea
> [    1.789535]  [<c011caa2>] do_softirq+0x26/0x2e
> [    1.789535]  [<c010f150>] smp_apic_timer_interrupt+0x41/0x71
> [    1.789535]  [<c01039a0>] apic_timer_interrupt+0x28/0x30
> [    1.789535]  [<c0108362>] default_idle+0x36/0x42
> [    1.789535]  [<c0101f7c>] cpu_idle+0x4b/0x5f
> [    1.789535]  [<c0586925>] start_kernel+0x221/0x261
> [    1.789535]  [<c05864d3>] unknown_bootoption+0x0/0x1e3
> [    1.789535] handlers:
> [    1.789535] [<c039e087>] (ata_sff_interrupt+0x0/0x242)
> [    1.789535] Disabling IRQ #11
> 
> Full dmesg:
> http://home.comcast.net/~jpiszcz/20090125/dmesg20090125.txt
> 
> Kernel config:
> http://home.comcast.net/~jpiszcz/20090125/2.6.28-config.txt
> 
> This never happened with the old IDE layer.
> 
> Justin.
> 

That presumably is some kind of bug, yes, or oddity of that controller.. 
OK, who knows pata_pdc2027x hardware? :-)