linux-kernel - Re: Problems with mainboard INTEL D201GLY2A, pci devices only available with acpi=noirq

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Date:	Thu, 15 May 2008 21:00:07 +0200
From:	Robert Goldner <robert@...79.de>
To:	linux-kernel@...r.kernel.org
CC:	Robert Hancock <hancockr@...w.ca>
Subject: Re: Problems with mainboard INTEL D201GLY2A, pci devices only available
 with acpi=noirq

Robert Hancock schrieb:
> Robert Goldner wrote:
>> Hi everyone,
>>
>> I use a INTEL D201GLY2A mainboard, and after serveral trys PCI devices 
>> were only useable (not visable) with the boot-parameter acpi=noirq (or 
>> noacpi). I tryed several kernel-versions (stated with 2.6.22), and no 
>> sucess without his parameter.
>> Without acpi=noirq all pci devices are deteced well, but if you want 
>> to use them, there is no response.
> 
> Do you have the latest BIOS on this board? Any nonstandard BIOS 
> settings? It looks like the board is not using APIC but the ACPI IRQ 
> information is giving out IRQs over 15, which doesn't make any sense. 
> Maybe you're running in some kind of broken/untested BIOS configuration.


Yes, it was the latest BIOS for this board, but Intel put a new to the 
Internet these days. I updated the Bios, but no change at all.
There is only one ACPI-Relevant switch in the Bios, so I don´t think 
that the Bios configuration is the problem. The only on ACPI-relevant 
option is:
"Resume from S5 by LAN". But I don´t belive that this makes the problem 
(and I tryed both: on and off). There is no way to modify/reservate 
interrups in the Bios.

It looks like very buggy ACPI-tables in the Bios.

Robert
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