linux-kernel - Re: [PATCH 1/1] ACPI: pci_irq, add PRT

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Message-ID: <AANLkTi=bnr-tnTkCWuSqYhLkfnXhJQjSyLDTt_5RyiAN@mail.gmail.com>
Date:	Tue, 7 Sep 2010 08:40:18 -0600
From:	Robert Hancock <hancockrwd@...il.com>
To:	Jiri Slaby <jirislaby@...il.com>
Cc:	Matthew Garrett <mjg59@...f.ucam.org>, lenb@...nel.org,
	linux-pci@...r.kernel.org, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Jesse Barnes <jbarnes@...tuousgeek.org>
Subject: Re: [PATCH 1/1] ACPI: pci_irq, add PRT_ quirk for IBM Bartolo

On Tue, Sep 7, 2010 at 5:02 AM, Jiri Slaby <jirislaby@...il.com> wrote:
> On 08/30/2010 09:36 AM, Jiri Slaby wrote:
>> On 08/25/2010 01:25 AM, Robert Hancock wrote:
>>> On Tue, Aug 24, 2010 at 2:11 AM, Jiri Slaby <jirislaby@...il.com> wrote:
>>>> So, to sum up:
>>>> 1) acpi routing enabled (no kernel parameter) => ports 4+5 defunct.
>>>> ports 4+5+6+7 are all on irq 11
>>>>
>>>> 2) acpi routing disabled (acpi=noirq) => all ports working, 4+5 on irq
>>>> 10, 6+7 on irq 11
>>>>
>>>> 3) with the quirk [1] and acpi routing enabled => all ports working,
>>>> ports 4+5 on irq 10, 6+7 on irq 11
>>>>
>>>> 4) in windows => 4+5+6+7 are all on irq 9 and the ports are all working.
>>>>
>>>> Any ideas what this means? Especially point 4)?
>>>>
>>>> [1] http://lkml.org/lkml/2010/6/27/85
>>>
>>> I think that's the key question. Is Windows actually using ACPI on
>>> that machine at all? (Check the computer type in Device Manager and
>>> see if it mentions ACPI.)
>>
>> Yes, there is Computer->ACPI PC.
>
> Any ideas here, please? Is there anything what I might try?

I'd suggest opening a report on kernel.org bugzilla under ACPI and
attach the acpidump output..
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