From owner-freebsd-stable@FreeBSD.ORG Sat Jul 15 03:28:05 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 BD0C916A4DD; Sat, 15 Jul 2006 03:28:05 +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 42E6B43D45; Sat, 15 Jul 2006 03:28:05 +0000 (GMT) (envelope-from freebsd@hub.org) Received: from localhost (wm.hub.org [200.46.204.128]) by hub.org (Postfix) with ESMTP id 6413A291EF2; Sat, 15 Jul 2006 00:28:04 -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 01046-06; Sat, 15 Jul 2006 03:28:04 +0000 (UTC) Received: from ganymede.hub.org (blk-224-179-167.eastlink.ca [24.224.179.167]) by hub.org (Postfix) with ESMTP id DAC81291EF1; Sat, 15 Jul 2006 00:27:41 -0300 (ADT) Received: by ganymede.hub.org (Postfix, from userid 1027) id 049FF48830; Sat, 15 Jul 2006 00:27:40 -0300 (ADT) Received: from localhost (localhost [127.0.0.1]) by ganymede.hub.org (Postfix) with ESMTP id F34513F0F1; Sat, 15 Jul 2006 00:27:40 -0300 (ADT) Date: Sat, 15 Jul 2006 00:27:40 -0300 (ADT) From: User Freebsd To: Robert Watson In-Reply-To: <20060715000351.U1799@ganymede.hub.org> Message-ID: <20060715002634.E1799@ganymede.hub.org> References: <20060705100403.Y80381@fledge.watson.org> <20060705234514.I70011@fledge.watson.org> <20060715000351.U1799@ganymede.hub.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: freebsd-stable@freebsd.org, Michel Talon , Francisco Reyes Subject: Re: vm_map.c lock up (Was: Re: NFS Locking Issue) 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: Sat, 15 Jul 2006 03:28:05 -0000 On Sat, 15 Jul 2006, User Freebsd wrote: > On Wed, 5 Jul 2006, Robert Watson wrote: > >> If you can get into DDB when the hang has occurred, output via serial >> console for the following commands would be very helpful: >> >> show pcpu >> show allpcpu >> ps >> trace >> traceall >> show locks >> show alllocks >> show uma >> show malloc >> show lockedvnods > > 'k, after 16 days uptime, the server that I got all the debugging turned on > for finally hung up solid ... I was able to break into DDB over the serial > link, and have run all of the above on it ... and the output is attached ... > > One thing to note is that the ps listing is not complete ... there are >6k > processes running at the time, and I don't know how to get rid of the > '--more--' prompt :( After 1k processes, I just hit 'q' and went onto the > other commands ... > > Also, traceall gave me a 'No such command' error ... now that I think about > it, my luck, it was supposed to be 'trace all'? > > If this doesn't provide enough information, please let me know what else I > should do the next time through, besides the above commands ... > > Oh, and how do you get DDB to 'dump core' in 6.x? Back in 4.x days, I'd just > do 'panic' (maybe twice) at the DDB prompt, but that didn't work with 6.x ... > it just gave me a stacktrace and then the DDB> prompt both times ... Quick appendum ... the kernel on this server is from June 28th of this year ... ---- 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