Re: Laptop keyboard unusable when ACPI is active was Re: [2.6.22]i8042, ACPI, ipw2100 and issues reported by psmouse.c atkbd.c

From: legolas558@xxxxxxxxxxxxxxxxxxxxx
Date: Sun Oct 21 2007 - 07:13:31 EST


Pavel Machek ha scritto:
> Hi!
>> egolas558@xxxxxxxxxxxxxxxxxxxxx ha scritto:
>>
>>> Kernel: 2.6.22-r5
>>> Kernel option: i8042.nomux=1
>>>
>> I am now using kernel 2.6.22-r8 (Gentoo) and the following kernel options:
>>
>> i8042.nomux=1 acpi=off
>>
>> I have tried kernel 2.6.23-rc9 but the problem is still there.
>>
> Try usb keyboard.
>
The USB keyboard is not affected by the problem, and more importantly it
has not the latencies in ACPI mode which the embedded PS2 keyboard has.

> Try disabling lm_sensors.
>
lm_sensors was not installed at all. I have now enabled HWMON and other
CONFIG_I2C_* kernel config parameters to use lm_sensors (without success).

> Is it smp box?
>
It is not but from the sensors-detect's log seems like the motherboard
supports it.

Best regards,
--
Daniele


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