From owner-freebsd-stable@FreeBSD.ORG Wed Jul 19 11:25:27 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 D484516A4E0; Wed, 19 Jul 2006 11:25:27 +0000 (UTC) (envelope-from freebsd@hub.org) Received: from hub.org (hub.org [200.46.204.220]) by mx1.FreeBSD.org (Postfix) with ESMTP id 82D7B43D4C; Wed, 19 Jul 2006 11:25:26 +0000 (GMT) (envelope-from freebsd@hub.org) Received: from localhost (wm.hub.org [200.46.204.128]) by hub.org (Postfix) with ESMTP id A8735291B0A; Wed, 19 Jul 2006 08:25:21 -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 44351-05; Wed, 19 Jul 2006 11:25:26 +0000 (UTC) Received: from ganymede.hub.org (blk-224-179-167.eastlink.ca [24.224.179.167]) by hub.org (Postfix) with ESMTP id 3B2DB291B09; Wed, 19 Jul 2006 08:25:21 -0300 (ADT) Received: by ganymede.hub.org (Postfix, from userid 1027) id E05445D4E5; Wed, 19 Jul 2006 08:25:28 -0300 (ADT) Received: from localhost (localhost [127.0.0.1]) by ganymede.hub.org (Postfix) with ESMTP id DF48A5D4D9; Wed, 19 Jul 2006 08:25:28 -0300 (ADT) Date: Wed, 19 Jul 2006 08:25:28 -0300 (ADT) From: User Freebsd To: Kostik Belousov In-Reply-To: <20060719053023.GG1464@deviant.kiev.zoral.com.ua> Message-ID: <20060719082450.P1799@ganymede.hub.org> References: <20060705100403.Y80381@fledge.watson.org> <20060705234514.I70011@fledge.watson.org> <20060715000351.U1799@ganymede.hub.org> <20060715035308.GJ32624@deviant.kiev.zoral.com.ua> <20060718074804.W1799@ganymede.hub.org> <20060719012941.H1799@ganymede.hub.org> <20060719053023.GG1464@deviant.kiev.zoral.com.ua> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: Robert Watson , freebsd-stable@freebsd.org Subject: Re: file system deadlock - the whole story? 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: Wed, 19 Jul 2006 11:25:27 -0000 On Wed, 19 Jul 2006, Kostik Belousov wrote: > On Wed, Jul 19, 2006 at 01:31:17AM -0300, User Freebsd wrote: >> >> Kostik/Robert ... does this provide enough (any?) information concerning >> the deadlock situation(s) that are being reported? is there anything else >> I should do the next time it happens? >> >> I tried to submit a GnATs report on this also, but fear that the >> attachment was a wee bit too big :( >> > Marc, > thank you for the report. It does contain useful information, I'm looking > into it. > > I see at least one obvius deadlock (you shell becomes unresponible when > you tried to make auto-completion, right ?). Yup, that was when I first noticed it this time through, actually ... > >> On Tue, 18 Jul 2006, User Freebsd wrote: >> >>> >>> 'k, had a bunch of fun tonight, but one of the results is that I was able >>> to achieve file system deadlock, or so it appears ... >>> >>> Using the following from DDB: >>> >>> set $lines=0 >>> show pcpu >>> show allpcpu >>> ps >>> trace >>> alltrace >>> show locks >>> show alllocks >>> show uma >>> show malloc >>> show lockedvnods >>> call doadump >>> >>> I've been able to produce the attached output, as well as have a core dump >>> that can hopefully be used to gather any that I may have missed this time >>> *cross fingers* >> >> ---- >> 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 > ---- 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