Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262224AbUKDOFj (ORCPT ); Thu, 4 Nov 2004 09:05:39 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262225AbUKDOFi (ORCPT ); Thu, 4 Nov 2004 09:05:38 -0500 Received: from mx2.elte.hu ([157.181.151.9]:48816 "EHLO mx2.elte.hu") by vger.kernel.org with ESMTP id S262224AbUKDOFZ (ORCPT ); Thu, 4 Nov 2004 09:05:25 -0500 Date: Thu, 4 Nov 2004 15:05:28 +0100 From: Ingo Molnar To: "Michael J. Cohen" Cc: "K.R. Foley" , sboyce@blueyonder.co.uk, linux-kernel@vger.kernel.org Subject: Re: [patch] Real-Time Preemption, -RT-2.6.10-rc1-mm2-V0.7.7 Message-ID: <20041104140528.GA16604@elte.hu> References: <4189108C.2050804@blueyonder.co.uk> <41892899.6080400@cybsft.com> <41897119.6030607@blueyonder.co.uk> <418988A6.4090902@cybsft.com> <20041104100634.GA29785@elte.hu> <1099563805.30372.2.camel@localhost> <1099567061.7911.4.camel@localhost> <20041104114545.GA3722@elte.hu> <1099573171.7876.0.camel@optie.uni.325i.org> <1099575262.8110.1.camel@optie.uni.325i.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1099575262.8110.1.camel@optie.uni.325i.org> 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: 525 Lines: 17 * Michael J. Cohen wrote: > I just managed to hardlock it reproducibly with no useful output on > serial. do you have APIC+IOAPIC enabled & nmi_watchdog=1? if you have KGDB enabled then i'd suggest to disable it, it's totally untested on PREEMPT_REALTIME. 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/