From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alan Jenkins Subject: Re: [patch 2/2] acpi: Avoid dropping rapid hotkey events (or other GPEs) on Asus EeePC Date: Sat, 23 Aug 2008 12:31:35 +0100 Message-ID: <48AFF517.90205@tuffmail.co.uk> References: <200808202341.m7KNflv7005413@imap1.linux-foundation.org> <48AD5BBB.2050701@suse.de> <48AD6F14.9080700@tuffmail.co.uk> <48AD73E9.9090904@suse.de> <48AD7EBD.9030507@tuffmail.co.uk> <48AD9160.90005@suse.de> <48AE99E3.7090702@tuffmail.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from nf-out-0910.google.com ([64.233.182.185]:46186 "EHLO nf-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752585AbYHWLbl (ORCPT ); Sat, 23 Aug 2008 07:31:41 -0400 Received: by nf-out-0910.google.com with SMTP id d3so404836nfc.21 for ; Sat, 23 Aug 2008 04:31:39 -0700 (PDT) In-Reply-To: <48AE99E3.7090702@tuffmail.co.uk> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Alexey Starikovskiy Cc: akpm@linux-foundation.org, andi@firstfloor.org, linux-acpi@vger.kernel.org, hmh@hmh.eng.br, maxi@daemonizer.de, stable@kernel.org Alan Jenkins wrote: > Alexey Starikovskiy wrote: > >> Here is the patch. >> >> Please try/review. >> >> > Sorry, I can't help with testing this any more. The "bad state" I > complained about earlier seems to be permanent now. > > I left the laptop with AC and battery disconnected last night. This > morning both 2.6.22 and 2.6.24-19-generic (ubuntu) are locking up or > rebooting as soon as I press a hotkey. The patch resets the default > behaviour back to 2.6.24, so it won't make any difference. > > None of these kernels should have the GPE polling problem. There are > many people using Ubuntu on the EeePC without complaint; I must have > damaged the hardware or firmware. > > OTOH 2.6.21.4-eeepc (the pre-installed kernel from Xandros/Asus) is > immune. I will work on it, but don't expect anything soon. > I was able to bisect this to a config option, X86_UP_IOAPIC. I can get rid of it on all kernels by just booting with noapic. I was then able to try your patch, which works fine. I see the warning in the kernel log, but no hotkey keypresses are lost. Thanks Alan