From owner-freebsd-hackers@FreeBSD.ORG Sun Aug 27 06:35:43 2006 Return-Path: X-Original-To: hackers@freebsd.org Delivered-To: freebsd-hackers@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C73CD16A4DA for ; Sun, 27 Aug 2006 06:35:43 +0000 (UTC) (envelope-from alive@dienub.org) Received: from pfepa.post.tele.dk (pfepa.post.tele.dk [195.41.46.235]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6B0B343D46 for ; Sun, 27 Aug 2006 06:35:43 +0000 (GMT) (envelope-from alive@dienub.org) Received: from m00h.dienub.org (dienub.org [83.88.67.155]) by pfepa.post.tele.dk (Postfix) with ESMTP id ACC0AFAC006; Sun, 27 Aug 2006 08:35:41 +0200 (CEST) Received: from [192.168.0.2] (unknown [192.168.0.2]) by m00h.dienub.org (Postfix) with ESMTP id 4FB241CC0B; Sun, 27 Aug 2006 08:35:41 +0200 (CEST) Message-ID: <44F13D3C.3090909@dienub.org> Date: Sun, 27 Aug 2006 08:35:40 +0200 From: "Daniel A." User-Agent: Thunderbird 1.5.0.5 (Windows/20060719) MIME-Version: 1.0 To: Peter Jeremy References: <44EDC84C.6010505@dienub.org> <20060826022302.GE16768@turion.vk2pj.dyndns.org> In-Reply-To: <20060826022302.GE16768@turion.vk2pj.dyndns.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: hackers@freebsd.org Subject: Re: doadump at pcpu.h:165 X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 27 Aug 2006 06:35:43 -0000 Peter Jeremy wrote: > On Thu, 2006-Aug-24 17:39:56 +0200, Daniel A. wrote: >> My server crashes very often and it's very random. > ... >> panic: machine check trap > ... >> As far as I understand, the issue is CPU-related, but that doesn't make >> sense, as my network interface cards are constantly giving me watchdog >> timeouts. > > This sounds like flaky hardware. Try checking cooling, PSU, RAM, > cabling socketing etc. Run memtest86 or similar and try swapping > components. > Hi Peter, this is no doubt caused by flaky hardware. The reason I keep posting my kgdb results is that I want to see if someone has experienced something similar. So far, I have had two crashes where I had saved the vmcore for debugging, and these two crashes are not identical. In fact, the only thing they have in common is that they are somehow related to networking. Also, I have no extra hardware. And I have tried the regular debugging stuff - After all, this has been going on for several months now, and I'm not the type of person who wouldn't notice that something is wrong with his beloved server. Sincerely, Daniel.