From owner-freebsd-stable@FreeBSD.ORG Mon Jun 26 17:38:44 2006 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id E6BC016A56E for ; Mon, 26 Jun 2006 17:38:44 +0000 (UTC) (envelope-from scrappy@hub.org) Received: from hub.org (hub.org [200.46.204.220]) by mx1.FreeBSD.org (Postfix) with ESMTP id D3A4B44092 for ; Mon, 26 Jun 2006 17:10:59 +0000 (GMT) (envelope-from scrappy@hub.org) Received: from localhost (wm.hub.org [200.46.204.128]) by hub.org (Postfix) with ESMTP id 98C362919EE; Mon, 26 Jun 2006 14:10:33 -0300 (ADT) Received: from hub.org ([200.46.204.220]) by localhost (mx1.hub.org [200.46.204.128]) (amavisd-new, port 10024) with ESMTP id 01063-02-5; Mon, 26 Jun 2006 17:10:33 +0000 (UTC) Received: from ganymede.hub.org (blk-7-151-244.eastlink.ca [71.7.151.244]) by hub.org (Postfix) with ESMTP id 4C8C9291B2E; Mon, 26 Jun 2006 13:12:55 -0300 (ADT) Received: by ganymede.hub.org (Postfix, from userid 1000) id E2560490B7; Mon, 26 Jun 2006 13:12:53 -0300 (ADT) Received: from localhost (localhost [127.0.0.1]) by ganymede.hub.org (Postfix) with ESMTP id DC1DB4908D; Mon, 26 Jun 2006 13:12:53 -0300 (ADT) Date: Mon, 26 Jun 2006 13:12:53 -0300 (ADT) From: "Marc G. Fournier" To: Kostik Belousov In-Reply-To: <20060626143038.GK79678@deviant.kiev.zoral.com.ua> Message-ID: <20060626131139.I1114@ganymede.hub.org> References: <20060624221556.O30039@woozle.rinet.ru> <20060624152525.D1114@ganymede.hub.org> <20060625164752.H52500@woozle.rinet.ru> <20060625105843.O1114@ganymede.hub.org> <20060625211510.D52500@woozle.rinet.ru> <20060625154247.N1114@ganymede.hub.org> <20060626014210.P1114@ganymede.hub.org> <20060626014601.E1114@ganymede.hub.org> <20060626045547.GI79678@deviant.kiev.zoral.com.ua> <20060626021616.W1114@ganymede.hub.org> <20060626143038.GK79678@deviant.kiev.zoral.com.ua> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: freebsd-stable@freebsd.org, Dmitry Morozovsky Subject: Re: vmstat 'b' (disk busy?) field keeps climbing ... X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 26 Jun 2006 17:38:45 -0000 On Mon, 26 Jun 2006, Kostik Belousov wrote: > On Mon, Jun 26, 2006 at 02:20:12AM -0300, Marc G. Fournier wrote: >> On Mon, 26 Jun 2006, Kostik Belousov wrote: >> >>> Yes, this looks like a deadlock. As I understand, that's on 6.1-STABLE ? >> >> Yes, kernel sources, it seems, from May 25th, according to my /usr/src >> tree ... >> >>> BTW, do you use snapshots ? >> >> Not that I've explicitly enabled ... >> >>> I think that without ddb access, diagnose and debug the problem would be >>> quite hard. >> >> Would it be a simple matter of: >> >> CTL-ALT-ESC >> panic >> >> to get it to dump core? Or would more be involved? Would a core dump >> even work? > Core dumps are somewhat unconvenient in this situation. Better, > sending report to me, follow my advise in > http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug-deadlocks.html The problem is that I'm dealing with a remote server here, no serial console, and no guaranteed keyboard :( I'm between a rock and a hard place on this one :( ---- Marc G. Fournier Hub.Org Networking Services (http://www.hub.org) Email . scrappy@hub.org MSN . scrappy@hub.org Yahoo . yscrappy Skype: hub.org ICQ . 7615664