From owner-freebsd-current@FreeBSD.ORG Mon Jun 21 00:35:30 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id BDFD816A4CE for ; Mon, 21 Jun 2004 00:35:30 +0000 (GMT) Received: from thekla.de.clara.net (thekla.de.clara.net [212.82.225.81]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0902243D45 for ; Mon, 21 Jun 2004 00:35:30 +0000 (GMT) (envelope-from michael.riexinger@de.clara.net) Received: from localhost.de.clara.net ([127.0.0.1] helo=localhost) by thekla.de.clara.net with esmtp (Exim 4.30; FreeBSD) id 1BcCra-0009va-I5 for current@freebsd.org; Mon, 21 Jun 2004 02:40:42 +0200 Received: from box.int.de.clara.net ([192.168.0.226]) by thekla.de.clara.net with esmtp (Exim 4.30; FreeBSD) id 1BcCra-0009vU-3J for current@freebsd.org; Mon, 21 Jun 2004 02:40:42 +0200 Received: from box.int.de.clara.net (localhost [127.0.0.1]) by box.int.de.clara.net (8.12.10/8.12.10) with ESMTP id i5L0ZSKd071727 for ; Mon, 21 Jun 2004 02:35:28 +0200 (CEST) (envelope-from michael.riexinger@de.clara.net) Received: (from mriexi@localhost) by box.int.de.clara.net (8.12.10/8.12.10/Submit) id i5L0ZS1q071726 for current@freebsd.org; Mon, 21 Jun 2004 02:35:28 +0200 (CEST) (envelope-from michael.riexinger@de.clara.net) X-Authentication-Warning: box.int.de.clara.net: mriexi set sender to michael.riexinger@de.clara.net using -f Date: Mon, 21 Jun 2004 02:35:28 +0200 From: Michael Riexinger To: current@freebsd.org Message-ID: <20040621003528.GA71625@box.int.de.clara.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.6i Subject: Bad IO handling under FreeBSD 5? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 21 Jun 2004 00:35:30 -0000 Hi, I recognized some strange things under heavy IO. For example when extracting a large tar.bz2 file (I tested with make extract in ports/www/firefox), pings via ethernet are sometimes very high (30-40ms). I noticed that both with SCHED_ULE and SCHED_4BSD. I tested this on many machines with different hardware (x86) and everytime the same. Friends reported, that they have on some machines sound problems (hanging etc) and X11 mouse pointer hangs, too. No problems under FreeBSD 4.x. Is there a way to solve these problems? Thanks! Michael Riexinger systems engineer -- claranet gmbh internet service provider tel +49 (0) 69 - 40 80 18 - 300 email: michael.riexinger@de.clara.net http://www.claranet.de/