[CC linux-acpi]
On 9/20/09, wixor <wixorpeek@xxxxxxxxx> wrote:
> Hello,
> with recent upgrade to 2.6.31 I get
>
> it87: Found IT8712F chip at 0x290, revision 7
> it87: in3 is VCC (+5V)
> it87: in7 is VCCH (+5V Stand-By)
> ACPI: I/O resource it87 [0x295-0x296] conflicts with ACPI region IP__
> [0x295-0x296]
> ACPI: Device needs an ACPI driver
> FATAL: Error inserting it87
> (/lib/modules/2.6.31/kernel/drivers/hwmon/it87.ko): Device or resource
> busy
>
> when trying to load it87 module. On previous kernels the module worked
> fine. I tried grepping for IP__ in acpi dump and found this:
>
> OperationRegion (IP, SystemIO, 0x0295, 0x02)
> Field (IP, ByteAcc, NoLock, Preserve)
> {
> INDX, 8,
> DAT0, 8
> }
>
> I have also discovered that dsdt contains description of what is
> connected to each it87 input. Maybe it has also some code to access
> the chip? In /proc/acpi I can read only one temperature, while the
> chip measures three temperatures, fan speeds and voltages. This is
> desktop pc with ASUS A8N1-E maniboard, athlon64 and nforce4 chipset.
>
> Thanks for your time.
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