From owner-freebsd-questions@FreeBSD.ORG Sun Oct 31 00:32:33 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9171D16A4CE for ; Sun, 31 Oct 2004 00:32:33 +0000 (GMT) Received: from out012.verizon.net (out012pub.verizon.net [206.46.170.137]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2A70343D31 for ; Sun, 31 Oct 2004 00:32:33 +0000 (GMT) (envelope-from leblanc@keyslapper.org) Received: from keyslapper.org ([68.163.166.57]) by out012.verizon.net (InterMail vM.5.01.06.06 201-253-122-130-106-20030910) with ESMTP id <20041031003232.XAEN2329.out012.verizon.net@keyslapper.org> for ; Sat, 30 Oct 2004 19:32:32 -0500 Received: from keyslapper.org (localhost [127.0.0.1]) by keyslapper.org (8.12.11/8.12.11) with ESMTP id i9V0WWWk031456 for ; Sat, 30 Oct 2004 20:32:32 -0400 (EDT) (envelope-from leblanc@keyslapper.org) Received: (from leblanc@localhost) by keyslapper.org (8.12.11/8.12.11/Submit) id i9V0WVht031455 for freebsd-questions@freebsd.org; Sat, 30 Oct 2004 20:32:31 -0400 (EDT) (envelope-from leblanc) Date: Sat, 30 Oct 2004 20:32:31 -0400 From: Louis LeBlanc To: FreeBSD_Questions FreeBSD_Questions Message-ID: <20041031003231.GD9405@keyslapper.org> Mail-Followup-To: FreeBSD_Questions FreeBSD_Questions References: <20041029223412.GD4114@keyslapper.org> <69B28466-2A27-11D9-B312-000393BB56F2@HiWAAY.net> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <69B28466-2A27-11D9-B312-000393BB56F2@HiWAAY.net> User-Agent: Mutt/1.5.6i X-Authentication-Info: Submitted using SMTP AUTH at out012.verizon.net from [68.163.166.57] at Sat, 30 Oct 2004 19:32:32 -0500 Subject: Re: More Intel ICH5 SATA150 hangs X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: freebsd-questions@freebsd.org List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 31 Oct 2004 00:32:33 -0000 On 10/29/04 10:54 PM, David Kelly sat at the `puter and typed: > > On Oct 29, 2004, at 7:48 PM, Mike Tancsa wrote: > > >> Same result the other poor schmuck got when he tried it. There was > >> also a suggestion that HT be turned off. Kinda defeats the whole > > > > HT works against you unless the scheduler is specifically aware of it, > > and right now the ULE scheduler is broken. For sure turn HT off in > > your BIOS and make sure you use SCHED_4BSD and NOT ULE > > I turned off HT on my Dell PE400SC (uses Intel ICH5 chipset) almost > instantly after installing FreeBSD. Partitioning and labeling my SATA > drives went just fine. System is on a PATA drive. Even striping the two > SATA drives with Vinum followed by newfs was fine. System locked hard > the instant I actually tried to use the SATA drives. Reformatted > without vinum and had similar lock/panic. This was possibly 5.2.1-p10. > Have darn near the latest 5.3 on it now and its running nicely w/o HT. > > Pretty sure ULE was the scheduler being used when I had problems as I > remember when SCHED_4BSD was the new default. IMO, when it worked, ULE > ran smoother. Now it seems that one process can hog the filesystem > resources and block out another doing the exact same thing but to > another file. > > That instance with HT was the first and only time FreeBSD messed up a > filesystem and I've had at least one FreeBSD machine running 24/7 since > 2.0.0-RELEASE. As a result I'm not much in the mood to re-enable HT now > that I have real data on the drives. This is a bit disconcerting. That implies that 5.2 isn't SMP stable. Lou -- Louis LeBlanc FreeBSD@keyslapper.org Fully Funded Hobbyist, KeySlapper Extrordinaire :) http://www.keyslapper.org ԿԬ Weinberg's Principle: An expert is a person who avoids the small errors while sweeping on to the grand fallacy.