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

Jean Delvare
2008-05-09T16:58:53Z

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.

> 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.

--
Jean Delvare