From owner-freebsd-current@FreeBSD.ORG Sun Dec 5 20:09:49 2004 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 BEB2916A4CE; Sun, 5 Dec 2004 20:09:49 +0000 (GMT) Received: from ss.eunet.cz (ss.eunet.cz [193.85.228.13]) by mx1.FreeBSD.org (Postfix) with ESMTP id 10A1843D55; Sun, 5 Dec 2004 20:09:49 +0000 (GMT) (envelope-from mime@traveller.cz) Received: from [127.0.0.1] (ss.eunet.cz. [193.85.228.13]) by ss.eunet.cz (8.13.1/8.13.1) with ESMTP id iB5K9pxK006938; Sun, 5 Dec 2004 21:09:51 +0100 (CET) (envelope-from mime@traveller.cz) Message-ID: <41B36AF6.8010906@traveller.cz> Date: Sun, 05 Dec 2004 21:09:26 +0100 From: Michal Mertl User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; cs-CZ; rv:1.7.3) Gecko/20041117 X-Accept-Language: cs, en-us, en MIME-Version: 1.0 To: freebsd-current@freebsd.org Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Subject: Increase of WITNESS_COUNT 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: Sun, 05 Dec 2004 20:09:49 -0000 Hello, for some time I'm seeing "witness exhausted" message in my logs when I run with WITNESS enabled. I know it's nothing new but it's either the bug which is causing it is surviving for long time or there's something special in my setups or that it's just normal (as more code get fine grained locking more witnesses are used). What are the consequences of increasing WITNESS_COUNT in src/sys/kern/subr_witness.c? I don't see any ill effects and I don't get the dreaded "witness exhausted" message. Can it be increased by default? Thanks. -- Michal Mertl