From owner-freebsd-questions@freebsd.org Thu Mar 10 10:14:54 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 782B2ACABD5 for ; Thu, 10 Mar 2016 10:14:54 +0000 (UTC) (envelope-from shahzaib.cb@gmail.com) Received: from mail-io0-x233.google.com (mail-io0-x233.google.com [IPv6:2607:f8b0:4001:c06::233]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4378094F for ; Thu, 10 Mar 2016 10:14:54 +0000 (UTC) (envelope-from shahzaib.cb@gmail.com) Received: by mail-io0-x233.google.com with SMTP id n190so100266774iof.0 for ; Thu, 10 Mar 2016 02:14:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to; bh=IvldfXHBSFPEQM47HNuDHndX2xXcJJcKMH5lTMRC0bk=; b=jKVg+ww3eTy79DYa84+rz7glljN2NIQEohlCnx4PGLuLuuUIe49rPDV/g1n/bJKCha mvO3bThyq1lijXWH7oaK2JpLLB+CPbj3f3joQT+G4H1c5b4asxURy8jQB2wkhJPjGhdl W9BYzKM8KYNXSxL2nzIAelrh0JLSxVUFnU2WEcIJwzOAnSwQQWqbwh87EkHVYcNXNabv rmriEf6pqUVHANv463qnqx+opRAujRGjsGlcoOX9V77OpE5nuofJvEdc6967aZCoZMBc d51Qogau/t5DvG0v5zYZy7ajQ1YVGVGwRJcsAteV+uCS5sY1BtKyAmvZcCU3aSMiDWpr SSZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to; bh=IvldfXHBSFPEQM47HNuDHndX2xXcJJcKMH5lTMRC0bk=; b=HEUh9vwxpTGgtqScFg+G8tK2KkZPSWeTK84rVofxiJeqAPWRXNtg8X9m9D2QFeYAUL R5pm/yTruHW5xz/T3iJ3FiPUgxiqYLxhJWioJfZEkYCyRgdXiaT9d8E3BL0rZAisz+Tt i9QlV7j8HjFV/GmilRTrI+2lccszHYNL0cCY9k+EoV4GcsEQpSHlXJ60PN5RtgW9k3CZ tRAgBWelRoCcFwa6eXrT1G2i+hfE3yrsZAdww/AYb4vc8kVlO4+HoO4d3rIAqV95H3Zs sbQqH3QqNY6COMUWm+7yq4+3bKWdf76ZOwSPuYucCOS78Hh+dy+Dgxb8EaIAwjx/dfIF gPJQ== X-Gm-Message-State: AD7BkJIu+Xb+K82QoYHlB8bkw4OXimbOLPrRBDbzm/lmXTfmbseiYJhLP+Ac2HGC4Tv9cfpRhmSnk0hmSRixpA== MIME-Version: 1.0 X-Received: by 10.107.14.142 with SMTP id 136mr2543928ioo.94.1457604893529; Thu, 10 Mar 2016 02:14:53 -0800 (PST) Received: by 10.79.128.145 with HTTP; Thu, 10 Mar 2016 02:14:53 -0800 (PST) In-Reply-To: <20160309191918.GA93884@slackbox.erewhon.home> References: <20160309191918.GA93884@slackbox.erewhon.home> Date: Thu, 10 Mar 2016 15:14:53 +0500 Message-ID: Subject: Re: FreeBSD Crashes Intermittently !! From: shahzaib shahzaib To: shahzaib shahzaib , freebsd-questions@freebsd.org Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.21 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: Thu, 10 Mar 2016 10:14:54 -0000 Hi, Thanks for all your detailed explanation to help me as much as you can - very much appreciated your assistance :) . Now we've deployed 5 x Dell r510 / Controller LSi-9211 to run same services on them and i guess that's the only way to diagnose actual cause of the crash. If Dell do not crash then conclusion would be Faulty Hardware. On Thu, Mar 10, 2016 at 12:19 AM, Roland Smith wrote: > On Wed, Mar 09, 2016 at 05:24:37PM +0500, shahzaib shahzaib wrote: > > Hi, > > > > I am new to this mailing list so please pardon me for any mistakes. We've > > started using FreeBSD from past 4-5 months and facing auto-reboot crash > > issue since the beginning. Following are the servers specs : > > > > Supermicro X5690 (12 cores, 24 threads - 2u) > > 96GB RAM > > 12x3TB mirror+stripping (HBA-LSI9211) > > X8DT3 Board > > > > We've total of 5 supermicro servers built upon same hardware and all of > > them intermittently goes down and sometimes they crash and boot up > > automatically (within 6min) and sometimes they gets freeze and we've to > > manually boot them via IPMI interface. All the time we get 'MCA Internal > > Timer Error' in crash logs. Here is the recent one : > > > > http://pastebin.com/042SJ11c > > In my experience, random crashes/reboots are almost certainly hardware > issues. > Sometimes a card or memory module isn't seated properly (especially after a > machine has been moved). But other times it's things like memory modules or > power supplies failing. > > Sometimes logging things like voltages, CPU temperatures and fan RPM can > give > you a clue. > > At $WORK I've experienced spectacular power supply blow-outs because > (conductive) carbon fibers caused a short circuit in it. So dust et cetera > can > also be a problem, but usually not with new systems. > > Roland > > -- > R.F.Smith http://rsmith.home.xs4all.nl/ > [plain text _non-HTML_ PGP/GnuPG encrypted/signed email much appreciated] > pgp: 5753 3324 1661 B0FE 8D93 FCED 40F6 D5DC A38A 33E0 (keyID: A38A33E0) >