Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S269184AbUJQQwr (ORCPT ); Sun, 17 Oct 2004 12:52:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266117AbUJQQwq (ORCPT ); Sun, 17 Oct 2004 12:52:46 -0400 Received: from mx2.elte.hu ([157.181.151.9]:46724 "EHLO mx2.elte.hu") by vger.kernel.org with ESMTP id S269205AbUJQQqZ (ORCPT ); Sun, 17 Oct 2004 12:46:25 -0400 Date: Sun, 17 Oct 2004 18:47:43 +0200 From: Ingo Molnar To: Rui Nuno Capela Cc: Lee Revell , linux-kernel , mark_h_johnson@raytheon.com, "K.R. Foley" , Daniel Walker , Bill Huey , Andrew Morton , Adam Heath , Lorenzo Allegrucci , Andrew Rodland Subject: Re: [patch] Real-Time Preemption, -VP-2.6.9-rc4-mm1-U3 Message-ID: <20041017164743.GA26350@elte.hu> References: <20041014234202.GA26207@elte.hu> <20041015102633.GA20132@elte.hu> <1097888438.6737.63.camel@krustophenia.net> <1097894120.31747.1.camel@krustophenia.net> <20041016064205.GA30371@elte.hu> <1097917325.1424.13.camel@krustophenia.net> <20041016103608.GA3548@elte.hu> <32801.192.168.1.5.1098018846.squirrel@192.168.1.5> <20041017132107.GA18462@elte.hu> <32793.192.168.1.5.1098023139.squirrel@192.168.1.5> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <32793.192.168.1.5.1098023139.squirrel@192.168.1.5> 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 Content-Length: 851 Lines: 23 * Rui Nuno Capela wrote: > OK. Here goes some more food-for-thought :) > > - minitor.cap-2.6.9-rc4-mm1-RT-U4.1smp.tar.gz has another three > capture sessions, minicom.cap.{3,4,5}, which stalls on boot/init > (CONFIG_PREEMPT_REALTIME=y). Take a special look on minicom.cap.5, > where the session has been force-truncated, due to an never ending > trace dump, and where no SysRq could do the rescue. This is one of > another symptoms, but with less occurrences I've noticed. i think you are getting stack overflows. Could you disable CONFIG_4KSTACKS and see whether that helps? Ingo - 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/