From owner-freebsd-questions@freebsd.org Tue Apr 19 14:47:56 2016 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 5D2D8B14973 for ; Tue, 19 Apr 2016 14:47:56 +0000 (UTC) (envelope-from allan@physics.umn.edu) Received: from mail.physics.umn.edu (smtp.spa.umn.edu [128.101.220.4]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 39F4619FF for ; Tue, 19 Apr 2016 14:47:55 +0000 (UTC) (envelope-from allan@physics.umn.edu) Received: from c-66-41-25-68.hsd1.mn.comcast.net ([66.41.25.68] helo=[192.168.0.115]) by mail.physics.umn.edu with esmtpsa (TLSv1:AES128-SHA:128) (Exim 4.77 (FreeBSD)) (envelope-from ) id 1asWbY-0003oP-4F for freebsd-questions@freebsd.org; Tue, 19 Apr 2016 09:26:16 -0500 Subject: Re: FreeBSD Crashes Intermittently !! To: freebsd-questions@freebsd.org References: <56E2E9AC.1040902@gmx.de> <33444.128.135.52.6.1457712900.squirrel@cosmo.uchicago.edu> <56E2F586.9000108@gmx.de> <5715DF0F.4090808@gmx.de> <5715EBDA.10907@gmx.de> From: Graham Allan Message-ID: <57163FFE.2010700@physics.umn.edu> Date: Tue, 19 Apr 2016 09:26:06 -0500 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.7.2 MIME-Version: 1.0 In-Reply-To: <5715EBDA.10907@gmx.de> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-Mailman-Approved-At: Tue, 19 Apr 2016 16:02:09 +0000 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 19 Apr 2016 14:47:56 -0000 I think also that if you update the R510 BIOS, Dell often include microcode updates in that (though checking their release notes should confirm that). Does the server have an iDRAC or BMC? Checking the event log in that might possibly show more clues. You could install ipmitool to query the BMC log from within FreeBSD. G.