From owner-freebsd-stable@FreeBSD.ORG Tue Jan 17 07:37:43 2012 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 C0ED7106564A for ; Tue, 17 Jan 2012 07:37:43 +0000 (UTC) (envelope-from ari@ish.com.au) Received: from fish.ish.com.au (eth5921.nsw.adsl.internode.on.net [59.167.240.32]) by mx1.freebsd.org (Postfix) with ESMTP id 7D28D8FC17 for ; Tue, 17 Jan 2012 07:37:42 +0000 (UTC) Received: from ip-136.ish.com.au ([203.29.62.136]:49737) by fish.ish.com.au with esmtpsa (TLSv1:CAMELLIA256-SHA:256) (Exim 4.76) (envelope-from ) id 1Rn3br-0002ca-0v for freebsd-stable@freebsd.org; Tue, 17 Jan 2012 18:37:35 +1100 X-CTCH-RefID: str=0001.0A150204.4F15253F.0130:SCFSTAT15613948, ss=1, re=-4.000, fgs=0 Message-ID: <4F15253E.7070404@ish.com.au> Date: Tue, 17 Jan 2012 18:37:34 +1100 From: Aristedes Maniatis User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:10.0) Gecko/20120111 Thunderbird/10.0 MIME-Version: 1.0 To: freebsd-stable Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: dumpdev default 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: Tue, 17 Jan 2012 07:37:43 -0000 The manual states that dumpdev "AUTO is the default as of FreeBSD 6.0" [1] However: # uname -a FreeBSD xxxxxx 9.0-RELEASE FreeBSD 9.0-RELEASE #0: Tue Jan 3 07:46:30 UTC 2012 root@farrell.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64 # grep dumpdev /etc/defaults/rc.conf dumpdev="NO" # Device to crashdump to (device name, AUTO, or NO). savecore_flags="" # Used if dumpdev is enabled above, and present. It looks like NO is still the default. Is there a reason why this should not be turned on even for production machines? I haven't read about any side effects, but it seems to be off by default for some reason. Please cc me on any responses since I'm not currently subscribed. Cheers Ari [1] http://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug.html -- --------------------------> Aristedes Maniatis ish http://www.ish.com.au Level 1, 30 Wilson Street Newtown 2042 Australia phone +61 2 9550 5001 fax +61 2 9550 4001 GPG fingerprint CBFB 84B4 738D 4E87 5E5C 5EFA EF6A 7D2E 3E49 102A