From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753540AbYKGKmz (ORCPT ); Fri, 7 Nov 2008 05:42:55 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751758AbYKGKmo (ORCPT ); Fri, 7 Nov 2008 05:42:44 -0500 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:60034 "EHLO gprs189-60.eurotel.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751557AbYKGKmn (ORCPT ); Fri, 7 Nov 2008 05:42:43 -0500 Date: Fri, 7 Nov 2008 11:44:20 +0100 From: Pavel Machek To: Len Brown Cc: Andrew Morton , kernel list , Ingo Molnar , Thomas Gleixner , linux-acpi@vger.kernel.org Subject: Re: 2.6.28-rc2-mm1: multiple BUG: scheduling while atomic: swapper, first in acpi_idle_enter_simple, then fbcon has problems Message-ID: <20081107104420.GB2146@elf.ucw.cz> References: <20081106102309.GA334@atrey.karlin.mff.cuni.cz> <20081106093324.57d88a43.akpm@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu 2008-11-06 13:56:16, Len Brown wrote: > > > > > ...kernel contains experimental version of HP accelerometer driver and > > > new HP acclerometer LED, but hopefully they are not causing this? > > > > > > > The trace is a bit of a mess, but we first hit problems around > > acpi_idle(), so I'd be suspecting acpi, x86 or sched-type changes. > > try "idle=poll" to run none of the ACPI idle code. > or "idle=halt" to just flirt with the idle code. I'll try that if the problem happens. I had problems twice on two boots, but then it started to behave, so... Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html