From owner-freebsd-stable@FreeBSD.ORG Fri May 16 18:20:47 2008 Return-Path: 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 3C5B61065672; Fri, 16 May 2008 18:20:47 +0000 (UTC) (envelope-from tom.hurst@clara.net) Received: from spork.qfe3.net (spork.qfe3.net [212.13.207.101]) by mx1.freebsd.org (Postfix) with ESMTP id F1B168FC16; Fri, 16 May 2008 18:20:46 +0000 (UTC) (envelope-from tom.hurst@clara.net) Received: from [81.104.123.28] (helo=voi.aagh.net) by spork.qfe3.net with esmtp (Exim 4.66 (FreeBSD)) (envelope-from ) id 1Jx4Xt-0006m1-6Y; Fri, 16 May 2008 19:20:45 +0100 Received: from freaky by voi.aagh.net with local (Exim 4.69 (FreeBSD)) (envelope-from ) id 1Jx4Xs-0002jx-VY; Fri, 16 May 2008 19:20:44 +0100 Date: Fri, 16 May 2008 19:20:44 +0100 From: Thomas Hurst To: Evren Yurtesen Message-ID: <20080516182044.GA5921@voi.aagh.net> Mail-Followup-To: Evren Yurtesen , Jeremy Chadwick , freebsd-stable@freebsd.org References: <482B4DEE.3050705@ispro.net> <20080515010347.GA85202@eos.sc1.parodius.com> <482BE398.8010203@ispro.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <482BE398.8010203@ispro.net> Organization: Not much. User-Agent: Mutt/1.5.17 (2007-11-01) Sender: Thomas Hurst Cc: Jeremy Chadwick , freebsd-stable@freebsd.org Subject: Re: Approaching the limit on PV entries, consider increasing either the vm.pmap.shpgperproc or the vm.pmap.pv_entry_max sysctl. X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 May 2008 18:20:47 -0000 * Evren Yurtesen (yurtesen@ispro.net) wrote: > I guess one good question is, how can one see the number of PV entries > used by a process? shouldnt these appear in the output of ipcs -a > command? No, PV entries are a VM thing, not limited to SysV IPC. > Another good question is, in many places there is references to > rebooting after putting a new vm.pmap.shpgperproc value to > loader.conf. However I just changed this on a running system, has it > really been changed or was I suppose to reboot? Looking at the code it should be fine, the limit's just a couple of integers. > In either case, I already increased vm.pmap.shpgperproc to 2000 (from > 200) and still the error occurs, there is not so much load on this > box, maybe there is a leak somewhere? What sort of load is there? Do you have a bunch of big processes sharing significant chunks of memory in any way? -- Thomas 'Freaky' Hurst http://hur.st/