From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935086AbXGSHqi (ORCPT ); Thu, 19 Jul 2007 03:46:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1764406AbXGSHq3 (ORCPT ); Thu, 19 Jul 2007 03:46:29 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:53451 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758734AbXGSHq2 (ORCPT ); Thu, 19 Jul 2007 03:46:28 -0400 Date: Thu, 19 Jul 2007 09:46:09 +0200 From: Ingo Molnar To: Andrew Morton Cc: Jeremy Fitzhardinge , linux-kernel@vger.kernel.org, Linus Torvalds , stable@kernel.org, Greg KH , Chris Wright Subject: Re: [patch] fix the softlockup watchdog to actually work Message-ID: <20070719074609.GA12760@elte.hu> References: <20070717114453.GA8212@elte.hu> <469CCF8F.4010107@goop.org> <20070717154934.GA24231@elte.hu> <20070719002231.069ebbdd.akpm@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070719002231.069ebbdd.akpm@linux-foundation.org> User-Agent: Mutt/1.5.14 (2007-02-12) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.0 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.0.3 -1.0 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * Andrew Morton wrote: > > [this is -stable material too.] > > This seems terribly sensitive. > > Someone has broken the Vaio (shock, horror). It now has mysterious > jerkiness: when leaning on autorepeat it stalls for maybe 0.25 seconds > every 1.5 seconds. The stalls are far less than a second. Yet this > is enough to trigger random softlockup warnings. > > Some of those warnings are below. Note that the traces are all pretty > useless, as softlockup warnings so often seem to be. hm, you havent picked up the other softlockup enhancements i did, which make the warnings more useful. Ingo