Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262483AbVBBOOG (ORCPT ); Wed, 2 Feb 2005 09:14:06 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262416AbVBBONh (ORCPT ); Wed, 2 Feb 2005 09:13:37 -0500 Received: from gprs215-137.eurotel.cz ([160.218.215.137]:5301 "EHLO amd.ucw.cz") by vger.kernel.org with ESMTP id S262674AbVBBONZ (ORCPT ); Wed, 2 Feb 2005 09:13:25 -0500 Date: Wed, 2 Feb 2005 15:11:05 +0100 From: Pavel Machek To: Tony Lindgren Cc: Benjamin Herrenschmidt , Arjan van de Ven , Martin Schwidefsky , Andrea Arcangeli , George Anzinger , Thomas Gleixner , john stultz , Zwane Mwaikambo , Lee Revell , linux-kernel@vger.kernel.org Subject: Re: [PATCH] Dynamic tick, version 050127-1 Message-ID: <20050202141105.GA1316@elf.ucw.cz> References: <20050127212902.GF15274@atomide.com> <20050201110006.GA1338@elf.ucw.cz> <20050201204008.GD14274@atomide.com> <20050201212542.GA3691@openzaurus.ucw.cz> <20050201230357.GH14274@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050201230357.GH14274@atomide.com> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.6+20040907i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1381 Lines: 31 Hi! > > > > I used your config advices from second mail, still it does not work as > > > > expected: system gets "too sleepy". Like it takes a nap during boot > > > > after "dyn-tick: Maximum ticks to skip limited to 1339", and key is > > > > needed to make it continue boot. Then cursor stops blinking and > > > > machine is hung at random intervals during use, key is enough to awake > > > > it. > > > > > > Hmmm, that sounds like the local APIC does not wake up the PIT > > > interrupt properly after sleep. Hitting the keys causes the timer > > > interrupt to get called, and that explains why it keeps running. But > > > the timer ticks are not happening as they should for some reason. > > > This should not happen (tm)... > > > > :-). Any ideas how to debug it? Previous version of patch seemed to work better... > > I don't think it's HPET timer, or CONFIG_SMP. It also looks like your > local APIC timer is working. I turned off CONFIG_PREEMPT, but nothing changed :-(. Pavel -- People were complaining that M$ turns users into beta-testers... ...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl! - 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/