Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261221AbVBFRJt (ORCPT ); Sun, 6 Feb 2005 12:09:49 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261228AbVBFRJt (ORCPT ); Sun, 6 Feb 2005 12:09:49 -0500 Received: from ylpvm15-ext.prodigy.net ([207.115.57.46]:57581 "EHLO ylpvm15.prodigy.net") by vger.kernel.org with ESMTP id S261221AbVBFRHv (ORCPT ); Sun, 6 Feb 2005 12:07:51 -0500 Date: Sun, 6 Feb 2005 09:07:52 -0800 From: Tony Lindgren To: Pavel Machek Cc: linux-kernel@vger.kernel.org Subject: Re: [PATCH] Dynamic tick, version 050127-1 Message-ID: <20050206170751.GA13936@atomide.com> References: <20050201230357.GH14274@atomide.com> <20050202141105.GA1316@elf.ucw.cz> <20050203030359.GL13984@atomide.com> <20050203105647.GA1369@elf.ucw.cz> <20050203164331.GE14325@atomide.com> <20050204051929.GO14325@atomide.com> <20050205230017.GA1070@elf.ucw.cz> <20050206023344.GA15853@atomide.com> <20050206035417.GB15853@atomide.com> <20050206085009.GA1073@elf.ucw.cz> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="BXVAT5kNtrzKuDFl" Content-Disposition: inline In-Reply-To: <20050206085009.GA1073@elf.ucw.cz> User-Agent: Mutt/1.5.6i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 11015 Lines: 172 --BXVAT5kNtrzKuDFl Content-Type: text/plain; charset=us-ascii Content-Disposition: inline * Pavel Machek [050206 00:50]: > Hi! > > > > > Ok, works slightly better: time no longer runs 2x too fast. When TSC > > > > is used, I get same behaviour as before ("sleepy machine"). With > > > > "notsc", machine seems to work okay, but I still get 1000 timer > > > > interrupts a second. > > > > > > Sounds like your system is not running with the dyn-tick... I'll try > > > to fix that TSC bug. > > > > The following patch fixes TSC timer with dyn-tick, and local APIC > > timer on UP system with CONFIG_SMP. > > I disabled CPUFREQ & PREEMPT, but still get "sleepy machine" > behaviour. Could you perhaps send me your .config? I don't have CPUFREQ on but I do have PREEMPT. Attached is my generic config that I'm using on my Celeron box and my dual Athlon box for testing with NFS root. I don't think your problems are caused by the Kconfig options any longer though. 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