Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755112AbYGPR3c (ORCPT ); Wed, 16 Jul 2008 13:29:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752178AbYGPR3Z (ORCPT ); Wed, 16 Jul 2008 13:29:25 -0400 Received: from yx-out-2324.google.com ([74.125.44.28]:29922 "EHLO yx-out-2324.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751659AbYGPR3Y (ORCPT ); Wed, 16 Jul 2008 13:29:24 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=pK8ZWhhYdIdoFnh0GU7ldL8YtMtuIMt9XlSvIPb353d3lA9fj3neLdFdQvP75W1nk+ ZlLuWEzfzdQKjewSIpNKyC6wm/cxkCAYnap8dFAcH57vHD203nNi8jnxRbHrdsRTwxY/ zmmB4HDNzRB6PHmExfkjEHKGCipTOxmF35GCQ= Message-ID: <86802c440807161029n7e0dac98x1ec260879204b6f0@mail.gmail.com> Date: Wed, 16 Jul 2008 10:29:21 -0700 From: "Yinghai Lu" To: "Jack Howarth" Subject: Re: 2.6.26-rc9-git9 doesn't boot on Macintel Cc: "Justin Mattock" , "Ingo Molnar" , "Barnes, Jesse" , "Linux Kernel Mailing List" In-Reply-To: <20080716140810.GA2861@bromo.msbb.uc.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20080716012427.GA27398@bromo.msbb.uc.edu> <20080716035830.GA27935@bromo.msbb.uc.edu> <86802c440807160044ge504cacl419b6cbcad5f0f9d@mail.gmail.com> <86802c440807160136m6af981b2u6a37cabb8e33a629@mail.gmail.com> <20080716140810.GA2861@bromo.msbb.uc.edu> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2318 Lines: 60 On Wed, Jul 16, 2008 at 7:08 AM, Jack Howarth wrote: > Yunghai, > I had partial success with your proposed patch. The MacPro2 > identifier doesn't appear to be correct for a second generation > MacBook Pro so I had to comment out the line... > > DMI_MATCH(DMI_PRODUCT_NAME, "MacPro2"), > > With that change, a patched 2.6.26-git2 kernel now uses MMCONFIG. > However I still see the same hang. The boot messages I see on > screen are... > > ACPI: bus type pci registered > PCI: MCFG configuration 0: base f0000000 segment 0 buses 0 - 63 > PCI: MCFG area at f0000000 reserved in E820 > PCI: Using MMCONFIG at f0000000 - f3ffffff > PCI: Using configuration type 1 for base access > ACPI: EC: EC description table is found, configuring boot EC > ACPI: EC: non-query interrupt received, switching to interrupt mode something wrong here > ACPI: BIOS_OSI(Linux) query ignored via DMI > ACPI: Interpreter enabled > ACPI: (S0 S3 S4 S5) > ACPI: Using IOAPIC for interrupt routing > ACPI: EC: GPE = 0x17, I/O: command/status = 0x66, data = 0x62 > ACPI: EC: drivers started in interrupt mode > ACPI: PCI Root Bridge [PCI0] (0000.00) > pci 0000:00:1f.00 : quirk region 0400-047f claimed by ICH6 ACPI/GPIO/TCO > pci 0000.00:1f:00 : quirk region 0500-053f claimed by ICH6 GPIO > > ...at which the boot hangs. On the positive side, I was able to fully > boot if I passed 'pci=noacpi' to the kernel options (which never worked > before with 2.6.26). > I can post the dmesg from a noacpi boot of the > patched kernel to my bugzilla report tonight if it would help debug the > issues we are still seeing with ACPI. that will help. > One thing I notice with the patched kernel (without noacpi) is that I > only see buses 0 - 63. A normal boot of 2.6.25.10 on this machine (or > 2.6.26 reportedly on a MacMini) always shows buses 0 - 255. that is right > Could this > be related to the ACPI breakage? Let me know if I can do anything > else to debug the ACPI issues under MMCONFIG. please boot with debug apic=verbose pci=routeirq YH -- 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/