From owner-freebsd-stable@FreeBSD.ORG  Sun Oct 21 19:22:17 2007
Return-Path: <owner-freebsd-stable@FreeBSD.ORG>
Delivered-To: freebsd-stable@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 5E94416A420
	for <freebsd-stable@freebsd.org>; Sun, 21 Oct 2007 19:22:17 +0000 (UTC)
	(envelope-from marc@blackend.org)
Received: from abigail.blackend.org (ns0.blackend.org [82.227.222.164])
	by mx1.freebsd.org (Postfix) with ESMTP id E91CE13C4B7
	for <freebsd-stable@freebsd.org>; Sun, 21 Oct 2007 19:22:16 +0000 (UTC)
	(envelope-from marc@blackend.org)
Received: from abigail.blackend.org (localhost [127.0.0.1])
	by abigail.blackend.org (8.13.4/8.13.3) with ESMTP id l9LJM5wJ094926;
	Sun, 21 Oct 2007 21:22:05 +0200 (CEST)
	(envelope-from marc@abigail.blackend.org)
Received: (from marc@localhost)
	by abigail.blackend.org (8.13.4/8.13.3/Submit) id l9LJM5pg094925;
	Sun, 21 Oct 2007 21:22:05 +0200 (CEST) (envelope-from marc)
Date: Sun, 21 Oct 2007 21:22:05 +0200
From: Marc Fonvieille <blackend@freebsd.org>
To: Yi Wang <wangyi6854@gmail.com>
Message-ID: <20071021192205.GA94894@abigail.blackend.org>
Mail-Followup-To: Yi Wang <wangyi6854@gmail.com>,
	freebsd-stable@freebsd.org
References: <5ea5cca50710202007p6081f44dyc4ca92a8917cdacf@mail.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <5ea5cca50710202007p6081f44dyc4ca92a8917cdacf@mail.gmail.com>
X-Useless-Header: blackend.org
X-Operating-System: FreeBSD 4.11-STABLE
User-Agent: Mutt/1.5.9i
Cc: freebsd-stable@freebsd.org
Subject: Re: X11 extremely slow while compiling other things
X-BeenThere: freebsd-stable@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Production branch of FreeBSD source code <freebsd-stable.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-stable>, 
	<mailto:freebsd-stable-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-stable>
List-Post: <mailto:freebsd-stable@freebsd.org>
List-Help: <mailto:freebsd-stable-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-stable>,
	<mailto:freebsd-stable-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 21 Oct 2007 19:22:17 -0000

On Sun, Oct 21, 2007 at 11:07:34AM +0800, Yi Wang wrote:
> Hi,
> 
> My box is running 7.0-PREREALEASE.
> 
> When I run more than two building tasks, X11 became extremely slow.
> The mouse pointer can also hardly move.
> 
> Running more than two building tasks under 6-stable does not introduce
> the issues.
> 
> Does any one know how to solve it?
> 

To improve slightly the things:

- use UP kernel (i.e. remove SMP and apic lines)
- use ULE scheduler

This will help a bit but it's not a definitive solution.

-- 
Marc