From owner-freebsd-current@FreeBSD.ORG Wed May 7 11:51:59 2003 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 B56D737B401; Wed, 7 May 2003 11:51:59 -0700 (PDT) Received: from symbion.srrc.usda.gov (symbion.srrc.usda.gov [199.133.86.40]) by mx1.FreeBSD.org (Postfix) with ESMTP id E565443F93; Wed, 7 May 2003 11:51:57 -0700 (PDT) (envelope-from gjohnson@srrc.ars.usda.gov) Received: from node1.cluster.srrc.usda.gov (localhost [127.0.0.1]) by symbion.srrc.usda.gov (8.12.9/8.12.9) with ESMTP id h47IpsD7058675; Wed, 7 May 2003 13:51:54 -0500 (CDT) (envelope-from glenn@node1.cluster.srrc.usda.gov) Received: (from glenn@localhost)h47Ipr7C058670; Wed, 7 May 2003 13:51:53 -0500 (CDT) (envelope-from glenn) Date: Wed, 7 May 2003 13:51:52 -0500 From: Glenn Johnson To: John Baldwin Message-ID: <20030507185152.GA39911@node1.cluster.srrc.usda.gov> Mail-Followup-To: John Baldwin , freebsd-current@FreeBSD.org, "W. Josephson" , Doug Barton References: <20030507173548.GA24421@node1.cluster.srrc.usda.gov> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.4i cc: freebsd-current@FreeBSD.org cc: "W. Josephson" cc: Doug Barton Subject: Re: recent performance problems? 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: Wed, 07 May 2003 18:52:00 -0000 On Wed, May 07, 2003 at 02:02:36PM -0400, John Baldwin wrote: > On 07-May-2003 Glenn Johnson wrote: > > > On Tue, May 06, 2003 at 10:22:20PM -0700, Doug Barton wrote: > > > >> On Wed, 7 May 2003, W. Josephson wrote: > >> > >> > On Tue, May 06, 2003 at 09:40:19PM -0700, Doug Barton wrote: > >> > > >> > > On Wed, 7 May 2003, W. Josephson wrote: > >> > > > >> > > > On Tue, May 06, 2003 at 08:51:09PM -0700, Doug Barton wrote: > >> > > > > >> > > > > Do the recommendations in UPDATING help you guys at all? > >> > > > > >> > > > I'm not quite sure what you are after > >> > > > >> > > Did you actually read /usr/src/UPDATING? > >> > > >> > yes. Do you actually care about having feedback on -CURRENT? > >> > >> Yes we do. That's why I asked. Which of the options suggested in > >> UPDATING did you try, and what were the results? > > > > In my case I have all of the debugging options off as per UPDATING. > > I think I have a system with a different twist though. Here is the > > uname output: > > > > FreeBSD 5.1-BETA #2: Tue May 6 10:38:29 CDT 2003 > > root@node1.cluster.srrc.usda.gov:/usr/obj/usr/src/sys/CLUSTER-FW > > > > When I first boot the system up it is fine. However, it slows > > down after a period of time. Within a few hours it is essentially > > unusable. It does not seem to be a gradual slowdown but I do > > not know how to quantify that. I did find the following in > > /var/log/messages after the most recent slowdown: > > > > May 6 19:52:21 node1 kernel: swap_pager: indefinite wait buffer: > > device: twed0s1b, blkno: 408, size: 4096 > > > > The system had been up for about four and a half hours and the time > > stamp above corresponds to when the slowdown occurred. Now, I could > > be having problems with the 3-Ware RAID card or this could be the > > same thing that others are reporting. Anyway, I thought I should > > share that as it might provide a clue to someone. > > It sounds like perhaps a lock is being held across sleep or some such. > Have you tried running the system with WITNESS and INVARIANTS turned > on? No I have not but I will. -- Glenn Johnson USDA, ARS, SRRC Phone: (504) 286-4252 New Orleans, LA 70124 e-mail: gjohnson@srrc.ars.usda.gov