From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262287AbVGFUTo (ORCPT ); Wed, 6 Jul 2005 16:19:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262236AbVGFUNH (ORCPT ); Wed, 6 Jul 2005 16:13:07 -0400 Received: from mail.metronet.co.uk ([213.162.97.75]:49032 "EHLO mail.metronet.co.uk") by vger.kernel.org with ESMTP id S262362AbVGFTrZ (ORCPT ); Wed, 6 Jul 2005 15:47:25 -0400 From: Alistair John Strachan To: Ingo Molnar Subject: Re: Realtime Preemption, 2.6.12, Beginners Guide? Date: Wed, 6 Jul 2005 20:47:26 +0100 User-Agent: KMail/1.8.1 Cc: linux-kernel@vger.kernel.org References: <200507061257.36738.s0348365@sms.ed.ac.uk> <20050706183836.GA31269@elte.hu> <20050706184121.GA31399@elte.hu> In-Reply-To: <20050706184121.GA31399@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200507062047.26855.s0348365@sms.ed.ac.uk> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday 06 Jul 2005 19:41, Ingo Molnar wrote: > * Ingo Molnar wrote: > > does the patch below help? We initialized the timestamps to 0, but > > with jiffies starting out negative, that means a ~5 minutes gap until > > we first reach a value of 0. That would explain the messages. The only > > thing it doesnt explain, why did this only trigger on your box? > > here's an updated patch - it will print out all timestamps too. (you'll > have to revert all previous softlockup patches first, via patch -R.) > > Ingo > Yep, thanks, that fixed it. I don't know why it only shows up on my configuration, but it was a bug, and this patch fixes it. I also took the liberty of upgrading to -06 while I was doing it, so I think you can probably release -07 with the specified changes. So far no lockups, either, but I'm not convinced they're gone forever. I'll let you know how it goes. -- Cheers, Alistair. personal: alistair()devzero!co!uk university: s0348365()sms!ed!ac!uk student: CS/CSim Undergraduate contact: 1F2 55 South Clerk Street, Edinburgh. EH8 9PP.