From owner-freebsd-questions@FreeBSD.ORG Sun Nov 20 01:58:59 2011 Return-Path: Delivered-To: questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id DC0171065674 for ; Sun, 20 Nov 2011 01:58:59 +0000 (UTC) (envelope-from conrads@cox.net) Received: from eastrmfepi203.cox.net (eastrmfepi203.cox.net [68.230.241.207]) by mx1.freebsd.org (Postfix) with ESMTP id 854408FC1A for ; Sun, 20 Nov 2011 01:58:59 +0000 (UTC) Received: from eastrmimpo306.cox.net ([68.230.241.238]) by eastrmfepo203.cox.net (InterMail vM.8.01.04.00 201-2260-137-20101110) with ESMTP id <20111120014031.IEJB25070.eastrmfepo203.cox.net@eastrmimpo306.cox.net>; Sat, 19 Nov 2011 20:40:31 -0500 Received: from serene.no-ip.org ([98.164.86.236]) by eastrmimpo306.cox.net with bizsmtp id zDgW1h00F55wwzE02DgWg8; Sat, 19 Nov 2011 20:40:30 -0500 X-CT-Class: Clean X-CT-Score: 0.00 X-CT-RefID: str=0001.0A020208.4EC85A8E.00AF,ss=1,re=0.000,fgs=0 X-CT-Spam: 0 X-Authority-Analysis: v=1.1 cv=cdJjHAINPiZBdT+VAeFfLOvj93neuvwrRIGsWSZO+Cw= c=1 sm=1 a=SUp_pKQUj1kA:10 a=G8Uczd0VNMoA:10 a=kj9zAlcOel0A:10 a=uAbGmPAyUfLL1M3oYAsfuA==:17 a=6I5d2MoRAAAA:8 a=kviXuzpPAAAA:8 a=Ngbr-iO39LyRuYprh_cA:9 a=Kix7Z54OqbtkL-BD4bYA:7 a=CjuIK1q_8ugA:10 a=2T2vCPrP5NoA:10 a=4vB-4DCPJfMA:10 a=uAbGmPAyUfLL1M3oYAsfuA==:117 X-CM-Score: 0.00 Authentication-Results: cox.net; none Received: from cox.net (localhost [127.0.0.1]) by serene.no-ip.org (8.14.5/8.14.5) with ESMTP id pAK1eUfx018815; Sat, 19 Nov 2011 19:40:30 -0600 (CST) (envelope-from conrads@cox.net) Date: Sat, 19 Nov 2011 19:40:25 -0600 From: "Conrad J. Sabatier" To: jau@iki.fi Message-ID: <20111119194025.1ea5eec6@cox.net> In-Reply-To: <201111191054.pAJAsI9q087098@jau.iki.fi> References: <201111191054.pAJAsI9q087098@jau.iki.fi> X-Mailer: Claws Mail 3.7.10 (GTK+ 2.24.6; amd64-portbld-freebsd9.0) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Cc: questions@freebsd.org Subject: Re: AMD64 with 9.0 PRERELEASE freezing/hanging without any messages 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: Sun, 20 Nov 2011 01:58:59 -0000 On Sat, 19 Nov 2011 12:54:18 +0200 (EET) jau@iki.fi (Jukka A. Ukkonen) wrote: > > Hello, > > Has anyone else noticed a similar odd behavior with AMD64 and 9.0 > prerelease (as well as RCs and betas)? Yes, I've seen a few of these myself, under both of the RCs and PRERELEASE. No idea what the cause is, though. Impossible to track down. > On my 12 core (2*4162EE) the whole system just freezes quite often > without any warning, without any messages being logged. Neither is > there any panic message from the kernel. The system just suddenly > hangs such that there is no alternative but to reboot using the > reset button. Yes, exactly the same here. Doesn't happen often, but it does happen. > At the moment I don't have any further info about the cause of the > problem, but quite often the freeze has happened when there has been > some network activity. > Does anyone have an idea how to start tracking down such a problem? > I mean anything in addition to this... > http://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug-options.html Sorry, wish I had a clue as to how to pinpoint the cause of these hangs. There's no record anywhere of what may have gone wrong. If you find out anything, please let us know. -- Conrad J. Sabatier conrads@cox.net