From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261744AbVGKOQr (ORCPT ); Mon, 11 Jul 2005 10:16:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261715AbVGKOOZ (ORCPT ); Mon, 11 Jul 2005 10:14:25 -0400 Received: from mx2.elte.hu ([157.181.151.9]:16516 "EHLO mx2.elte.hu") by vger.kernel.org with ESMTP id S261744AbVGKOMy (ORCPT ); Mon, 11 Jul 2005 10:12:54 -0400 Date: Mon, 11 Jul 2005 16:12:32 +0200 From: Ingo Molnar To: Alistair John Strachan Cc: linux-kernel@vger.kernel.org Subject: Re: Realtime Preemption, 2.6.12, Beginners Guide? Message-ID: <20050711141232.GA16586@elte.hu> References: <200507061257.36738.s0348365@sms.ed.ac.uk> <20050709155704.GA14535@elte.hu> <200507091704.12368.s0348365@sms.ed.ac.uk> <200507111455.45105.s0348365@sms.ed.ac.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200507111455.45105.s0348365@sms.ed.ac.uk> User-Agent: Mutt/1.4.2.1i 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 * Alistair John Strachan wrote: > Here's a screenshot of the oops. Notice that "stack left" is now -52. > We've confirmed this is a stack overflow! > > http://devzero.co.uk/~alistair/oops8.jpeg > > I'm going to try the 8K stack kernel with the same stuff and see if I > can get a stack trace. I hope this is the beginning of the end for > this problem. might be an incorrect printout of stack_left :( The esp looks more or less normal. Not sure why it printed -52. Ingo