From owner-freebsd-questions@FreeBSD.ORG Sat Jan 24 01:25:21 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 8E6B516A4E1 for ; Sat, 24 Jan 2004 01:25:21 -0800 (PST) Received: from server945.gisol.com (server945.gisol.com [207.44.208.108]) by mx1.FreeBSD.org (Postfix) with ESMTP id 263E643D31 for ; Sat, 24 Jan 2004 01:25:08 -0800 (PST) (envelope-from webmaster@countrypure.net) Received: from 216-229-72-44-dialup-mo.fidnet.com ([216.229.72.44] helo=countrypure.net) by server945.gisol.com with asmtp (Exim 4.24) id 1AkK2E-0002BU-KR; Sat, 24 Jan 2004 01:24:59 -0800 Message-ID: <4012396B.2040701@countrypure.net> Date: Sat, 24 Jan 2004 03:22:51 -0600 From: Quintin Riis User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.5) Gecko/20031013 Thunderbird/0.3 X-Accept-Language: en-us, en MIME-Version: 1.0 To: "Richard G. Roberto" References: In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - server945.gisol.com X-AntiAbuse: Original Domain - freebsd.org X-AntiAbuse: Originator/Caller UID/GID - [0 0] / [47 12] X-AntiAbuse: Sender Address Domain - countrypure.net cc: freebsd-questions@freebsd.org Subject: Re: CPU usage goes way up on 5.1 when memory is added X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 24 Jan 2004 09:25:21 -0000 Install GENERIC kernel and see if the problem persists. Quintin Richard G. Roberto wrote: > Hi, > > I've been running 5.1-RELEASE for quite some time on my dual PIII 333Mhz > Micron PC with 384MB of RAM and 670MB of swap. Its a little low on memory > for what I'm now doing with it though, so I added 256MB of RAM. The new > RAM gets recognized, and there are no obvious errors on the console or in > the logs, but every little thing drives the CPU utilization through the > roof and the system is unusable. Even just typing "man ls" triggers it, > never mind trying to run ssh. I remove the RAM, and it goes back to > normal. > > I'm using a kernel with these relevent settings: > > cpu I686_CPU > options SCHED_ULE > options COMPAT_43 > options COMPAT_FREEBSD4 > options _KPOSIX_PRIORITY_SCHEDULING > options SMP > options APIC_IO > options LAZY_SWITCH > > There are other settings, but these are the only ones that might be > related, I'm guessing. > > Has anyone seen anything similar to this? I've searched google as well as > the mailing list archives and can't really find anything similar. Any > help would be greatly appreciated. > > Thanks in advance, > > rgr >