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SubjectRe: [lm-sensors] it87 sensors need an ACPI driver (2.6.31)
Luca Tettamanti wrote:
> On Sun, Sep 20, 2009 at 10:20 AM, wixor <wixorpeek@gmail.com> 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
> [...]
>> 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.
>
> Try the asus_atk0110 driver, it handles the ACPI hwmon interface on
> Asus motherboards. If it does not work then please send a dump of your
> DSDT (/sys/firmware/acpi/tables/DSDT).

Vanilla Kernel 2.6.31.1 fails to load it87 on my machine with the same messages as posted above.

[71916.534278] it87: Found IT8716F chip at 0x290, revision 0
[71916.535783] it87: in3 is VCC (+5V)
[71916.537239] it87: in7 is VCCH (+5V Stand-By)
[71916.538763] ACPI: I/O resource it87 [0x295-0x296] conflicts with ACPI region IP__ [0x295-0x296]
[71916.540365] ACPI: Device needs an ACPI driver

In addition, asus_atk0110 loads but leaves no trace in dmesg when loaded.

Motherboard is an Asus M2N32-WS. DSDT attached.

Regards,
--
Dolphins are so intelligent that within a few weeks they can
train Americans to stand at the edge of the pool and throw them
fish.
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