From owner-freebsd-questions@FreeBSD.ORG Fri Apr 4 12:37:16 2008 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 0F7E1106568B for ; Fri, 4 Apr 2008 12:37:16 +0000 (UTC) (envelope-from kris@FreeBSD.org) Received: from weak.local (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 46D9D8FC13; Fri, 4 Apr 2008 12:37:15 +0000 (UTC) (envelope-from kris@FreeBSD.org) Message-ID: <47F620F8.5010206@FreeBSD.org> Date: Fri, 04 Apr 2008 14:37:12 +0200 From: Kris Kennaway User-Agent: Thunderbird 2.0.0.12 (Macintosh/20080213) MIME-Version: 1.0 To: n j References: <92bcbda50804010613p3cd927e4g4a3c3c7820a6a06e@mail.gmail.com> <002e01c893fd$2bb5e8d0$3202a8c0@glattwerk.local> <92bcbda50804010852s20e5d681y9d2d2a4cd9e9adea@mail.gmail.com> In-Reply-To: <92bcbda50804010852s20e5d681y9d2d2a4cd9e9adea@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-questions@freebsd.org Subject: Re: FreeBSD crashes 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: Fri, 04 Apr 2008 12:37:16 -0000 n j wrote: >> I hope someone can help me. I have started to experience >> seemingly random crashes causing FreeBSD to shutdown and >> power off the machine. The only trace I can find as far as >> the reason for the crash is concerned are the following >> excerpts from /var/log/messages: >> >> Mar 23 11:52:36 myhostname kernel: <<22>N>NMIMN NIMIMII IISISSSAAA >> A 20,22 200E,0,I, S EIEEASI ISAAS f Aff ff >> Mar 23 11:52:36 myhostname kernel: f >> Mar 23 11:52:36 myhostname kernel: >> Mar 23 11:52:36 myhostname kernel: f< >> Mar 23 11:52:36 myhostname kernel: 2<>2> >> Mar 23 11:52:36 myhostname kernel: f >> Mar 23 11:52:36 myhostname kernel: >> Mar 23 11:52:47 myhostname syslogd: exiting on signal 15 >> Mar 23 13:04:32 myhostname syslogd: kernel boot file is >> /boot/kernel/kernel > > Small update: I have received some feedback that this seemingly random > junk is related to ipfw > (http://www.freebsd.org/cgi/query-pr.cgi?pr=116458). > > However, I have also received information that this junk might not be > completely random and could be, in fact, related to NMI (non-maskable > interrupt) which would suggest hardware error. Any thoughts on this? > Yep, it's definitely a NMI (interleaved from several CPUs at once) which most likely means hardware failure. Kris