From owner-freebsd-current@FreeBSD.ORG Wed May 7 11:02:36 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 4CF6A37B401 for ; Wed, 7 May 2003 11:02:33 -0700 (PDT) Received: from mail.speakeasy.net (mail14.speakeasy.net [216.254.0.214]) by mx1.FreeBSD.org (Postfix) with ESMTP id E690143FCB for ; Wed, 7 May 2003 11:02:31 -0700 (PDT) (envelope-from jhb@FreeBSD.org) Received: (qmail 6238 invoked from network); 7 May 2003 18:02:37 -0000 Received: from unknown (HELO server.baldwin.cx) ([216.27.160.63]) (envelope-sender )encrypted SMTP for ; 7 May 2003 18:02:37 -0000 Received: from laptop.baldwin.cx ([216.133.140.1]) by server.baldwin.cx (8.12.8/8.12.8) with ESMTP id h47I2Sp0005550; Wed, 7 May 2003 14:02:29 -0400 (EDT) (envelope-from jhb@FreeBSD.org) Message-ID: X-Mailer: XFMail 1.5.4 on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: <20030507173548.GA24421@node1.cluster.srrc.usda.gov> Date: Wed, 07 May 2003 14:02:36 -0400 (EDT) From: John Baldwin To: Glenn Johnson 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 18:02:37 -0000 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? -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/