From owner-freebsd-stable@FreeBSD.ORG Mon Mar 7 21:05:41 2005 Return-Path: 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 3620016A4CE for ; Mon, 7 Mar 2005 21:05:41 +0000 (GMT) Received: from meisai.numachi.com (meisai.numachi.com [198.175.254.6]) by mx1.FreeBSD.org (Postfix) with SMTP id 31F5143D54 for ; Mon, 7 Mar 2005 21:05:40 +0000 (GMT) (envelope-from reichert@numachi.com) Received: (qmail 37685 invoked from network); 7 Mar 2005 21:05:39 -0000 Received: from natto.numachi.com (198.175.254.216) by meisai.numachi.com with SMTP; 7 Mar 2005 21:05:39 -0000 Received: (qmail 34423 invoked by uid 1001); 7 Mar 2005 21:05:39 -0000 Date: Mon, 7 Mar 2005 16:05:39 -0500 From: Brian Reichert To: Kris Kennaway Message-ID: <20050307210539.GJ90757@numachi.com> References: <1110213509.593.18.camel@p4-3200.local> <20050307171009.GA37856@e-Gitt.NET> <20050307171244.GO22873@hub.freebsd.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050307171244.GO22873@hub.freebsd.org> User-Agent: Mutt/1.5.7i cc: freebsd-stable@freebsd.org Subject: Re: FreeBSD 5.3 freezes under heavy hdd load X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 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, 07 Mar 2005 21:05:41 -0000 On Mon, Mar 07, 2005 at 05:12:44PM +0000, Kris Kennaway wrote: > It is necessary to increase KSTACK_PAGES (e.g. to 4) on machines with > certain patterns of heavy disk write load to avoid double faults in > the softupdates code (softupdates has potentially unbounded call stack > and can overflow the default kernel stack size without too much > effort). Can these 'certain patterns' be characterized? I've got a system that hangs on haavy rsync usage, where the file sizes can me measured in a half-gig or more... > This would cause panics though, not freezes. I can't tell remotely if all of my hangs are panics, as it's a remote box. Once, on the console of a hung box, I found panic: worklist_remove: not on list This box did not reboot of it's own accord, and has wedged again under a similar workload... > Kris > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" -- Brian Reichert 55 Crystal Ave. #286 Daytime number: (603) 434-6842 Derry NH 03038-1725 USA BSD admin/developer at large