From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267401AbUHPDyK (ORCPT ); Sun, 15 Aug 2004 23:54:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267407AbUHPDyJ (ORCPT ); Sun, 15 Aug 2004 23:54:09 -0400 Received: from viper.oldcity.dca.net ([216.158.38.4]:6123 "HELO viper.oldcity.dca.net") by vger.kernel.org with SMTP id S267401AbUHPDyG (ORCPT ); Sun, 15 Aug 2004 23:54:06 -0400 Subject: Re: [patch] voluntary-preempt-2.6.8.1-P0 From: Lee Revell To: Ingo Molnar Cc: Florian Schmidt , linux-kernel , Felipe Alfaro Solana In-Reply-To: <20040816034618.GA13063@elte.hu> References: <1092432929.3450.78.camel@mindpipe> <20040814072009.GA6535@elte.hu> <20040815115649.GA26259@elte.hu> <20040816022554.16c3c84a@mango.fruits.de> <1092622121.867.109.camel@krustophenia.net> <20040816023655.GA8746@elte.hu> <1092624221.867.118.camel@krustophenia.net> <20040816032806.GA11750@elte.hu> <20040816033623.GA12157@elte.hu> <1092627691.867.150.camel@krustophenia.net> <20040816034618.GA13063@elte.hu> Content-Type: text/plain Message-Id: <1092628493.810.3.camel@krustophenia.net> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 Date: Sun, 15 Aug 2004 23:54:54 -0400 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 2004-08-15 at 23:46, Ingo Molnar wrote: > * Lee Revell wrote: > > > On Sun, 2004-08-15 at 23:36, Ingo Molnar wrote: > > > doh - i think i found a brown-paperbag bug. > > > > Heh, this would explain all those latency traces with repeated > > calls to voluntary_resched... > > hm, didnt those traces show preempt_schedule()? > Yes, they did. Anyway, the change to sched.c fixes the mlockall bug, it works perfectly now. Thanks! I will try next with /dev/random disabled. Don't most/many new machines have a hardware RNG that would eliminate the need for this code? Lee