linux-kernel - Re: linux-next: ACPI I/O resource conflicts warning

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Date:	Fri, 09 May 2008 19:04:04 +0200
From:	Gabriel C <nix.or.die@...glemail.com>
To:	Jean Delvare <khali@...ux-fr.org>
CC:	trenn@...e.de,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Len Brown <lenb@...nel.org>, linux-acpi@...r.kernel.org
Subject: Re: linux-next: ACPI I/O resource conflicts warning

Jean Delvare wrote:
> On Fri, 09 May 2008 18:52:11 +0200, Gabriel C wrote:
>> Thomas Renninger wrote:
>>> On Fri, 2008-05-09 at 03:20 +0200, Gabriel C wrote:
>>>> Hi all ,
>>>>
>>>> I've noticed on linux-next from today the following ACPI warning:
>>>>
>>>> ...
>>>>
>>>> [4294023.308622] ACPI: PCI Interrupt 0000:00:1f.3[C] -> GSI 18 (level, low) -> IRQ 18
>>>> [4294023.308622] ACPI: I/O resource  [0x400-0x41f] conflicts with ACPI region SMRG [0x400-0x40f]
>>>> [4294023.316478] ACPI: Device needs an ACPI driver
>>> You use libsensors and the sensor you use is also declared and possibly
>>> used via ACPI.
>> Not really , lsmsensors was not running and no modules loaded for my sensors but yeah when I start it another warning
>> pops up ( this one I've reported to lm-sensors mailing list )
> 
> Could be your SMBus controller then, we have these checks in both hwmon
> drivers and i2c bus drivers... Check what appears at 0x400
> in /proc/iports.

Ahh, you are right.

0400-041f : 0000:00:1f.3
  0400-041f : i801_smbus

00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 02)


> 
>> w83627ehf: Found W83627DHG chip at 0x290
>> ACPI: I/O resource w83627ehf [0x295-0x296] conflicts with ACPI region HWRE [0x290-0x299]
>> ACPI: Device needs an ACPI driver
>>
>>>> dsdt.dsl from my motherboard can be found there:
>>>>
>>>> http://frugalware.org/~crazy/ASUS_P5E-VM_DO/dsdt.dsl
>>>>
>>>> full dmesg:
>>>>
>>>> http://frugalware.org/~crazy/dmesg/DMAR/dmesg
>>>>
>>>> Please let me know if you need more infos.
>>> Maybe you could open a bug report on bugzilla.kernel.org and post
>>> acpidump and dmi output (not only dsdt) there. Then we could collect
>>> affected BIOSes at one central place for further evaluation and
>>> discussion.
>> Sure I will open an task about soon.
> 
> When you do, please add me to Cc, thanks.
> 

Sure I will
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