Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1765364AbXJTLyR (ORCPT ); Sat, 20 Oct 2007 07:54:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758815AbXJTLyG (ORCPT ); Sat, 20 Oct 2007 07:54:06 -0400 Received: from m-04.th.seeweb.it ([217.64.195.227]:32814 "EHLO m-04.th.seeweb.it" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757953AbXJTLyF (ORCPT ); Sat, 20 Oct 2007 07:54:05 -0400 Message-ID: <4719EAEB.6060703@users.sourceforge.net> Date: Sat, 20 Oct 2007 13:47:55 +0200 From: "legolas558@users.sourceforge.net" User-Agent: Thunderbird 2.0.0.6 (X11/20070908) MIME-Version: 1.0 To: Pavel Machek CC: linux-kernel@vger.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 References: <47001841.1000107@users.sourceforge.net> <470DD906.9090504@users.sourceforge.net> <20071018195202.GA6962@ucw.cz> In-Reply-To: <20071018195202.GA6962@ucw.cz> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1731 Lines: 67 Pavel Machek ha scritto: > Hi! > Hi! Finally an answer, thank you. >> legolas558@users.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. > I will get one within 24 hours. > Are you experiencing unusually high latencies in acpi mode? > Yes. > Any unusual activity on top? > Xorg with XFCE4 - it even happens opening up a mousepad and typing something in it. I do not have particular services running, I have apache, mysql and samba. I have installed it on July, so it's a pretty new system - the problem didn't happen before the most recent kernels. > Try disabling lm_sensors. > I will and report here. > Try disabling acpi embedded controller. > How can I accomplish this? Are you referring to the i8042? > Is it smp box? > It is a laptop (Maxdata Pro 7000 DX) with an Intel Centrino 1.6 GhZ (pentium-m), so it is not. > Try watching keyboard interrupts. Are they lost? > I am pretty sure they are. I think that ACPI pauses interrupts for a while (100ms?) and so some keyboard interrupts are lost. See also http://bugzilla.kernel.org/show_bug.cgi?id=9147 I will come up with a test for lm_sensors and the USB keyboard as soon as possible. Thank you very much -- Daniele > Pavel > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/