[lm-sensors] ATK0110 breaks keyboard and mouse on asus p7p55d - i5-750

Luca Tettamanti kronos.it at gmail.com
Fri Dec 11 21:44:38 CET 2009


On Fri, Dec 11, 2009 at 7:03 PM,  <comsublant at gmx.net> wrote:
> On Fri, Dec 11, 2009 at 02:04:52PM +0100, Luca Tettamanti wrote:
>> It's very strange since I had a tester that helped my with the very same board.
>
> This might be mistakable: this is a pure p7p55d, not -premium or
> something.

I have a report of a working "pro" board, shouldn't change much, at
least as far as the ACPI interface is concerned.

>> What kind of keyboard/mouse are you using? PS2 or USB?
>
> PS2
>
>> Can you access the machine remotely (ssh)? If so, please send me a
>> dump of /proc/interrupts _after_ the keyboard becomes unresponsive.
>
> no remote access at the moment :(

Ok, does it respond to the power button? A clean shutdown may help to
preserve something interesting in the logs.

>> Ok, the only difference between working and non-working is the atk0110 driver?
>
> yes
>
>> Locate atk_ec_present function in asus_atk0110.c; put a
>>
>> return 0;
>> as first instruction; recompile and see if it still locks up the keyboard.
>> Also enable HWMON_DEBUG_CHIP.
>
> done.
> its not locking up anymore,
[...]
> its not changing though.

This is expected, since the EC is responsible of updating the values.
The behaviour that you describe seems to indicate a runaway interrupt
(possibly from the EC).
Please send me a copy of the DSDT (/sys/firmware/acpi/tables/DSDT) and
the output of lspci -vn

thanks,
Luca
PS: don't strip the CC




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