From owner-freebsd-stable@FreeBSD.ORG Sun Feb 10 07:34:32 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 34C6D16A468 for ; Sun, 10 Feb 2008 07:34:32 +0000 (UTC) (envelope-from LoN_Kamikaze@gmx.de) Received: from mail.gmx.net (mail.gmx.net [213.165.64.20]) by mx1.freebsd.org (Postfix) with SMTP id 6FC6A13C4CC for ; Sun, 10 Feb 2008 07:34:31 +0000 (UTC) (envelope-from LoN_Kamikaze@gmx.de) Received: (qmail invoked by alias); 10 Feb 2008 07:34:26 -0000 Received: from nat-wh-1.rz.uni-karlsruhe.de (EHLO mobileKamikaze.norad) [129.13.72.169] by mail.gmx.net (mp043) with SMTP; 10 Feb 2008 08:34:26 +0100 X-Authenticated: #5465401 X-Provags-ID: V01U2FsdGVkX1+Zu41mSR6ZH3LOQJmFLrSoiAPsipbDTriZ/Smbqf XASNp7MVtkxbzd Message-ID: <47AEA902.1020502@gmx.de> Date: Sun, 10 Feb 2008 08:34:26 +0100 From: Dominic Fandrey User-Agent: Thunderbird 2.0.0.9 (X11/20080205) MIME-Version: 1.0 To: freebsd-stable@freebsd.org Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 Subject: strange performance problem 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: Sun, 10 Feb 2008 07:34:32 -0000 When I build openoffice with NUMOFPROCESSES=4 the system starts to act unresponsive after some time on my Core2 Duo, very similar to a single core system running make -j. However if I set debug.vfscache=0 the system immediately becomes responsive again. After resetting debug.vfscache to 1 the system _remains_ responsive. I'm considering to put debug.vfscache=0 debug.vfscache=1 into my sysctl.conf. Whatever causes this behaviour, I doubt it is intended.