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

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Message-ID: <20071018195202.GA6962@ucw.cz>
Date:	Thu, 18 Oct 2007 19:52:02 +0000
From:	Pavel Machek <pavel@....cz>
To:	"legolas558@...rs.sourceforge.net" <legolas558@...rs.sourceforge.net>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Laptop keyboard unusable when ACPI is active was Re: [2.6.22] i8042, ACPI, ipw2100 and issues reported by psmouse.c atkbd.c

Hi!

> legolas558@...rs.sourceforge.net 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.

Are you experiencing unusually high latencies in acpi mode?

Any unusual activity on top?

Try disabling lm_sensors.

Try disabling acpi embedded controller.

Is it smp box?

Try watching keyboard interrupts. Are they lost?
							Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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