From owner-freebsd-questions@FreeBSD.ORG Mon Jun 4 18:16:36 2007 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 4D55F16A47C for ; Mon, 4 Jun 2007 18:16:36 +0000 (UTC) (envelope-from jerrymc@gizmo.acns.msu.edu) Received: from gizmo.acns.msu.edu (gizmo.acns.msu.edu [35.8.1.43]) by mx1.freebsd.org (Postfix) with ESMTP id DCAC313C4C1 for ; Mon, 4 Jun 2007 18:16:35 +0000 (UTC) (envelope-from jerrymc@gizmo.acns.msu.edu) Received: from gizmo.acns.msu.edu (localhost [127.0.0.1]) by gizmo.acns.msu.edu (8.13.6/8.13.6) with ESMTP id l54IBuJo069384; Mon, 4 Jun 2007 14:11:56 -0400 (EDT) (envelope-from jerrymc@gizmo.acns.msu.edu) Received: (from jerrymc@localhost) by gizmo.acns.msu.edu (8.13.6/8.13.6/Submit) id l54IBsbX069383; Mon, 4 Jun 2007 14:11:54 -0400 (EDT) (envelope-from jerrymc) Date: Mon, 4 Jun 2007 14:11:54 -0400 From: Jerry McAllister To: Zbigniew Szalbot Message-ID: <20070604181154.GA69350@gizmo.acns.msu.edu> References: <4664392E.1030409@szalbot.homedns.org> <46644D4F.2060406@szalbot.homedns.org> <20070604175518.GC69110@gizmo.acns.msu.edu> <4664543C.5050109@szalbot.homedns.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4664543C.5050109@szalbot.homedns.org> User-Agent: Mutt/1.4.2.2i Cc: freebsd-questions@freebsd.org Subject: Re: total system freeze - where to look for more information 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: Mon, 04 Jun 2007 18:16:36 -0000 On Mon, Jun 04, 2007 at 08:04:44PM +0200, Zbigniew Szalbot wrote: > Hello, > > Jerry McAllister pisze: > > >On Mon, Jun 04, 2007 at 07:35:11PM +0200, Zbigniew Szalbot wrote: > > > >>Hello, > >> > >>Zbigniew Szalbot pisze: > >> > >>>Dear all, > >>> > >>>Today - for the first time ever - I have a total system freeze. It > >>>occured after 105 days of uninterrupted work. The freeze was > >>>unrecoverable because even though I attached a screen to the machine, I > >>>was not able to do anything with it. I had to hard-reboot it. > >>> > >>>dmesg.today has just one line (and dmesg.yestarday is empty). > >>> > >>>pid 25536 (portmanager), uid 0: exited on signal 6 (core dumped) > >>> > >>>This file was modified at night so it does not contain any useful > >>>information. > >>> > >>>Where can I look for more information? The only thing that comes to my > >>>mind is that today I installed denyhosts-2.6. It is possible that the > >>>freeze occured during dump operation which is done to a network drive > >>>mounted via mount_nfs option. > >> > >> > >>Could the dump operation (a very likely reason for the crash) freeze the > >>system. I am thinking of the following scenario. The dump operation to a > >>network share is underway. For some reason, the LAN network connection > >>is unavailable for a short time. Dump freezes and never recovers as it > >>cannot continue its operation. I went back to the box two hours after > >>the dump operation had started but the box (FBSD machine) did not > >>respond to physically connected keyboard and screen. The dump file on > >>the network is shown to have 0 KB. Thanks for any info! > > > >If it thinks it ran out of media space (maybe doe to some network error, > >I don't know), it could be waiting for a response at the console or > >whatever terminal it was running from. It will "hang" there until it > >gets some input it knows how to handle. > > > > In that case I will probably be much better of using another HD > physically connected to the box rather than shared network drive, > wouldn't I? Lack of free space could not have been the reason - the > network share can handle about 750GB of data so it must have been > temporary network error. No guarantee that is what is happening, but it seems like it could be a possibility - at least one to eliminate. ////jerry > > > Thanks Jerry! > > ZS > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org"