From owner-freebsd-current@FreeBSD.ORG Thu Dec 28 23:03:27 2006 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 977F316A415 for ; Thu, 28 Dec 2006 23:03:27 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from server.baldwin.cx (66-23-211-162.clients.speedfactory.net [66.23.211.162]) by mx1.freebsd.org (Postfix) with ESMTP id 2094D13C47A for ; Thu, 28 Dec 2006 23:03:27 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from zion.baldwin.cx (zion.baldwin.cx [192.168.0.7]) (authenticated bits=0) by server.baldwin.cx (8.13.6/8.13.6) with ESMTP id kBSN3FSx068908; Thu, 28 Dec 2006 18:03:22 -0500 (EST) (envelope-from jhb@freebsd.org) From: John Baldwin To: freebsd-current@freebsd.org Date: Thu, 28 Dec 2006 17:56:29 -0500 User-Agent: KMail/1.9.4 References: <45891FE9.4020700@cisco.com> <58281AA0-3738-490C-9EA8-7766033713A2@siliconlandmark.com> <458960F2.9090703@cisco.com> In-Reply-To: <458960F2.9090703@cisco.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200612281756.29949.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-2.0.2 (server.baldwin.cx [192.168.0.1]); Thu, 28 Dec 2006 18:03:23 -0500 (EST) X-Virus-Scanned: ClamAV 0.88.3/2389/Thu Dec 28 12:39:35 2006 on server.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-4.4 required=4.2 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.1.3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on server.baldwin.cx Cc: Randall Stewart Subject: Re: A stuck system X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 28 Dec 2006 23:03:27 -0000 On Wednesday 20 December 2006 11:12, Randall Stewart wrote: > Interesting.. I have actually been having > this problem for a while... can't remember > when I last updated.. its related to pounding > the network.. at least mine seems to be... (I > am pounding the loopback).. and it appears > that everything just "freezes". > > Is your machine a Gig-a-Byte motherboard? Do you have a dual-port msk0 device? > R > > Andre Guibert de Bruet wrote: > > > > > > On Dec 20, 2006, at 8:49 AM, Randall Stewart wrote: > > > >> Ok, I was wrong on this... I recreated it.. hooked up > >> my em0 card to my laptop (right now its isolated > >> running the mpi tests and uses the loopback only). > >> > >> I do a ping > >> > >> And ta-da the system comes back to life after > >> being hung for 15 minutes. > >> > >> This time I did not see any of the usual syslog messages > >> either... of course it was only "stuck" for 15 minutes or > >> so... > >> > >> I will leave the thing running and get it stuck again and > >> validate that the msk and usb will also cause the machine > >> to come back to life.. > >> > >> Is there any way this could be a lost interupt type problem (remember > >> the scheduler is appearing to "stop" scheduling things). OR > >> is this a problem with my hardware... somehow failing to > >> deliver interupts maybe??? > > > > > > I am seeing something similar on my dual Xeon system. It appears that a > > kernel from December 13th did not exhibit this behavior whereas one > > from the 16th does. I am able to "revive" the machine by pushing traf > > on the msk0 interface. > > > > Kernel config: http://bling.properkernel.com/freebsd/BLING > > > > Andy > > > > /* Andre Guibert de Bruet * 6f43 6564 7020 656f 2e74 4220 7469 6a20 */ > > /* Code poet / Sysadmin * 636f 656b 2e79 5320 7379 6461 696d 2e6e */ > > /* GSM: +1 734 846 8758 * 5520 494e 2058 6c73 7565 6874 002e 0000 */ > > /* WWW: siliconlandmark.com * C/C++, Java, Perl, PHP, SQL, XHTML, XML */ > > > > > > _______________________________________________ > > freebsd-current@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-current > > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" > > > > -- John Baldwin