From owner-freebsd-fs@FreeBSD.ORG Thu Feb 14 13:45:08 2013 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id E3B38530 for ; Thu, 14 Feb 2013 13:45:08 +0000 (UTC) (envelope-from ronald-freebsd8@klop.yi.org) Received: from smarthost1.greenhost.nl (smarthost1.greenhost.nl [195.190.28.78]) by mx1.freebsd.org (Postfix) with ESMTP id A34252F0 for ; Thu, 14 Feb 2013 13:45:08 +0000 (UTC) Received: from smtp.greenhost.nl ([213.108.104.138]) by smarthost1.greenhost.nl with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.69) (envelope-from ) id 1U5z7U-0000dn-5e for freebsd-fs@freebsd.org; Thu, 14 Feb 2013 14:45:00 +0100 Received: from a83-161-216-224.adsl.xs4all.nl ([83.161.216.224] helo=ronaldradial) by smtp.greenhost.nl with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.72) (envelope-from ) id 1U5z7U-00020x-6u for freebsd-fs@freebsd.org; Thu, 14 Feb 2013 14:45:00 +0100 Content-Type: text/plain; charset=us-ascii; format=flowed; delsp=yes To: freebsd-fs@freebsd.org Subject: Re: FreeBSD 9.1 ZFS-Related Crash References: Date: Thu, 14 Feb 2013 14:45:00 +0100 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: "Ronald Klop" Message-ID: In-Reply-To: User-Agent: Opera Mail/12.14 (Win32) X-Virus-Scanned: by clamav at smarthost1.samage.net X-Spam-Level: - X-Spam-Score: -1.9 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=disabled version=3.3.1 X-Scan-Signature: 739ba1b2be5fabc1cc6069058737919f X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 14 Feb 2013 13:45:08 -0000 On Wed, 13 Feb 2013 20:09:25 +0100, Tim Gustafson wrote: >> Do you have something like serial console so you can capture the output? > > We do not, unfortunately. I'm not even sure this box has any serial > ports. The box does have an IPKVM management interface that we use > regularly, but I don't think that has any recording capability. Recording can be as simple as the possibility to scroll back in a terminal window. > I turned on crash dumps by adding this to my /etc/rc.conf: > > dumpdev="auto" > > Will crash dumps be helpful here? Yes. Make sure you have enough swap space for the dump. See 'man dumpon' and 'man savecore' for more information. Ronald.