From owner-freebsd-hackers@freebsd.org Wed Mar 8 15:59:45 2017 Return-Path: Delivered-To: freebsd-hackers@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 EBDF2D03C0F for ; Wed, 8 Mar 2017 15:59:45 +0000 (UTC) (envelope-from jan@digitaldaemon.com) Received: from digitaldaemon.com (digitaldaemon.com [162.217.114.50]) by mx1.freebsd.org (Postfix) with SMTP id 92DBE633 for ; Wed, 8 Mar 2017 15:59:45 +0000 (UTC) (envelope-from jan@digitaldaemon.com) Received: (qmail 97889 invoked by uid 89); 8 Mar 2017 15:53:02 -0000 Received: from c-73-198-164-157.hsd1.nj.comcast.net (HELO iMac.local) (jan@digitaldaemon.com@73.198.164.157) by digitaldaemon.com with SMTP; 8 Mar 2017 15:53:02 -0000 From: Jan Knepper Subject: Re: Help with silent reboot of 10.3-stable system To: Bob Willcox , hackers list References: <20170308015630.GE22199@rancor.immure.com> Message-ID: <86b89c6c-9a00-1033-4181-a7e0da2ed66f@digitaldaemon.com> Date: Wed, 8 Mar 2017 10:53:02 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.7.1 MIME-Version: 1.0 In-Reply-To: <20170308015630.GE22199@rancor.immure.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 08 Mar 2017 15:59:46 -0000 Is your system swapping to disk? Heavily? Might want to check the swap space on disk. I had spontaneous reboots some years ago because of bad swap space on disk. (Got a new disk, 'dd'-ed the old disk to the new disk, reboot on the new disk and everything was fine) Jan On 03/07/2017 20:56, Bob Willcox wrote: > Over the past month or so my network fileserver system (NFS support for my > entire, small, network) has begun silently rebooting itself. Here is the uname > -a output: > > FreeBSD vader.immure.com 10.3-STABLE FreeBSD 10.3-STABLE #15 r313997: Mon Feb 20 14:40:00 CST 2017 bob@vader.immure.com:/usr/obj/usr/src/sys/GENERIC amd64 > > At first I suspected that it might be the power supply as it was a couple of > years old so I replaced that. Unfortunately, it has begun doing it again (had > a couple of weeks respite) so now my suspicions seem to have been incorrect. > > I was hoping that someone might be able to give me some clues on what I can do > to reveal the problem. Are there any general debug settings for the kernel (or > elsewhere) that would maybe give an indication of why it is being rebooted > (assuming it's a software problem)? > > Thanks for any suggestions you may have! > > Bob >