From owner-freebsd-questions@FreeBSD.ORG Tue Aug 24 19:58:19 2010 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9DE4D1065696 for ; Tue, 24 Aug 2010 19:58:19 +0000 (UTC) (envelope-from christopher.maness@gmail.com) Received: from mail-ew0-f54.google.com (mail-ew0-f54.google.com [209.85.215.54]) by mx1.freebsd.org (Postfix) with ESMTP id 2C3418FC18 for ; Tue, 24 Aug 2010 19:58:18 +0000 (UTC) Received: by ewy26 with SMTP id 26so4173085ewy.13 for ; Tue, 24 Aug 2010 12:58:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:sender:received :in-reply-to:references:date:x-google-sender-auth:message-id:subject :from:to:cc:content-type:content-transfer-encoding; bh=2pbs5/F1rvcgKT16LphiMzkSDQKWTIzrIWbuzjWr+3E=; b=Woczr4Gwlzn/F/7Z2i/HmwSYFJiZrxnqbz+bdjuYibOQHN1AyYdj9GNxmCMVT5F7AH i4C6PWBpNLruIisoMGwa4InGm4mB8iCpUFH4xP82NbZbqX6omS8BB7MYKeUiR8H9EDI+ P8mhU8Uyra4Z4sPDcZ8v50NUNKBxUhTDdM0Ig= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; b=IrRJrPRW8ZGvISLFLinUsBkp2qARWAlxCak9xbJLF+bL27MXN18EpbD5rAgkNCYZdZ 8Ei8nHng7yHu6jCghAcH48o5lkgW+76PeEuFkYQYqLU+hmGVB5bCNPQqEq5ECHFVw1JN E1ZY7BiZd68ziYeEDxXQVnNLNj9OSpEzqJkH8= MIME-Version: 1.0 Received: by 10.213.48.193 with SMTP id s1mr4834352ebf.20.1282679898070; Tue, 24 Aug 2010 12:58:18 -0700 (PDT) Sender: christopher.maness@gmail.com Received: by 10.14.122.65 with HTTP; Tue, 24 Aug 2010 12:58:17 -0700 (PDT) In-Reply-To: <201008241947.o7OJlYbJ012327@mail.r-bonomi.com> References: <201008241947.o7OJlYbJ012327@mail.r-bonomi.com> Date: Tue, 24 Aug 2010 12:58:17 -0700 X-Google-Sender-Auth: byjv0wRHcEIspx7dMFmyQ48wAzY Message-ID: From: Chris Maness To: Robert Bonomi Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: freebsd-questions@freebsd.org Subject: Re: Spontaneous Reboots (I thought it was Virtualbox Kernel Modules) X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 24 Aug 2010 19:58:19 -0000 On Tue, Aug 24, 2010 at 12:47 PM, Robert Bonomi wrote: >> From owner-freebsd-questions@freebsd.org =A0Tue Aug 24 12:29:16 2010 >> Date: Tue, 24 Aug 2010 10:29:27 -0700 >> From: Chris Maness >> To: freebsd-questions@freebsd.org >> Subject: Spontaneous Reboots (I thought it was Virtualbox Kernel Modules= ) >> >> I have commented out the lines that load kernel modules for >> virtualbox, and made sure they were gone with kldstat. However I am >> still getting VERY infrequent spontaneous reboots. =A0So it is not the >> modules. =A0I am thinking hardware. =A0It has a temperature alarm that >> sounds when it is hot, but since I have cleaned it out I have not had >> any issues with heat. =A0I am thinking bad processor/ram. =A0It is >> behaving the same way before/after the upgraded to the latest release. >> =A0What do you guys think? > > I think its 100% certain that it is hardware, or software. =A0<*GRIN*> > > You can try randomly replacing things, which can be expensive, time- > consuming, and not necessarily effective -- how do you *KNOW* that the > parts you're putting _IN_ do not, themselves, have (as-yet undiscovered) > problems? > > I'd try to make the box tell me "something" about *why* it crashed. > > crank up the level of logging for 'kernel' events in syslog.con, > enable crash dumps, and make sure the boot process saves the dump > Then you can get into the weird,wonderful, world of 'crash dump' > analysis. > > With a few dumps in hand, you can begin to see if there is any consistenc= y > in what the machine was doing -when- it crashed. > > Happy hunting > When I looked at the regular level kernel log, it seemed to be out of the clear blue. I am an experienced user, but I am not sure if I have the programing skills to look at debug output to find a fault. I might need a bit of hand holding on this one. I looked at backtrace to. I was thinking it was a command or something, but it looks like some debugging procedure. Regards, Chris Maness