From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268686AbUHTShV (ORCPT ); Fri, 20 Aug 2004 14:37:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268687AbUHTShU (ORCPT ); Fri, 20 Aug 2004 14:37:20 -0400 Received: from mx1.elte.hu ([157.181.1.137]:25508 "EHLO mx1.elte.hu") by vger.kernel.org with ESMTP id S268691AbUHTSf2 (ORCPT ); Fri, 20 Aug 2004 14:35:28 -0400 Date: Fri, 20 Aug 2004 20:35:59 +0200 From: Ingo Molnar To: Lee Revell , jackit-devel , linux-kernel , lists@rumori.de Subject: Re: problems with volunteer preempt patch WAS: little NPTL SCHED_FIFO test program Message-ID: <20040820183559.GD21956@elte.hu> References: <20040818004633.35eb6501@mango.fruits.de> <200408180100.04955.pnambic@unu.nu> <20040818023546.03e79fc4@mango.fruits.de> <1092794828.813.49.camel@krustophenia.net> <20040818050708.54a27a7e@mango.fruits.de> <1092987523.10063.62.camel@krustophenia.net> <20040820092042.GA2496@amadora.tejo> <1092994979.10063.80.camel@krustophenia.net> <20040820175351.GA2302@amadora.tejo> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040820175351.GA2302@amadora.tejo> User-Agent: Mutt/1.4.1i X-ELTE-SpamVersion: MailScanner 4.31.6-itk1 (ELTE 1.2) SpamAssassin 2.63 ClamAV 0.73 X-ELTE-VirusStatus: clean X-ELTE-SpamCheck: no X-ELTE-SpamCheck-Details: score=-4.9, required 5.9, autolearn=not spam, BAYES_00 -4.90 X-ELTE-SpamLevel: X-ELTE-SpamScore: -4 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * martin rumori wrote: > ACPI RSDP ..... > ..... > ACPI build 1 zone list > Detected Processor... > Memory ... > ... > Checking if processor honors the WP bit even in supervisor mode... ok. > > --- > that's it. freezes for 1-2 seconds after this last message, then > reboots. tried to write down these contents of the screen, as far as > i could recognize them during the short period of time. > > i am wondering especially about the ACPI messages, as ACPI is > completely switched off now. is ACPI switched off in the .config too? > second (minor) issue: when having enabled CONFIG_PREEMPT_VOLUNTARY(=y) > but not CONFIG_PREEMPT_TIMING(=n), i get the following when linking: > > LD init/built-in.o > LD .tmp_vmlinux1 > arch/i386/kernel/built-in.o(.text+0x2da1): In function `do_nmi': > : undefined reference to `__trace' > maybe latency.o is not included when linking without > CONFIG_PREEMPT_TIMING? right. We dont want to link it in so i've added a NOP define for __trace() to sched.h. This fix will show up in -P6. Ingo