From owner-freebsd-current@FreeBSD.ORG Thu Jul 19 11:56:30 2007 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 728A916A402 for ; Thu, 19 Jul 2007 11:56:30 +0000 (UTC) (envelope-from tony@crosswinds.net) Received: from out-mx1.crosswinds.net (out-mx1.crosswinds.net [216.18.117.38]) by mx1.freebsd.org (Postfix) with ESMTP id 4F72313C4A5 for ; Thu, 19 Jul 2007 11:56:30 +0000 (UTC) (envelope-from tony@crosswinds.net) Received: from admin.crosswinds.net (out-mx1.crosswinds.net [216.18.117.38]) by out-mx1.crosswinds.net (Postfix) with ESMTP id D9F4B2C250; Thu, 19 Jul 2007 07:56:51 -0400 (EDT) Received: by admin.crosswinds.net (Postfix, from userid 1001) id 882F9403D; Thu, 19 Jul 2007 07:56:51 -0400 (EDT) Date: Thu, 19 Jul 2007 07:56:51 -0400 From: Tony Holmes To: Scott Long Message-ID: <20070719115651.GA74237@crosswinds.net> References: <20070718133345.GA82366@crosswinds.net> <469EE67F.8030504@samsco.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <469EE67F.8030504@samsco.org> User-Agent: Mutt/1.4.2.1i Cc: freebsd-current@freebsd.org Subject: Re: 7.0/6.2, 4GB and AHC 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, 19 Jul 2007 11:56:30 -0000 On +Jul 19, Scott Long wrote: > The AHC driver was personally tested with >4GB while it was in active > development, but it's certainly possible that bugs have crept in over > the years. I'll test it when I get off vacation next week and see what > I come up with. Please contact me directly if I forget. Just out of > curiosity, try booting with one of your known bad configurations and > break into the the loader prompt and do the following: > > set vm.old_contigmalloc=1 Ah I wish I could but the box has been deployed into production 550 km away with 2GB :) It was very easy to reproduce - 4GB ram, 2 ahc cards with drives and 6.2R amd64 would trigger it. -- Tony Holmes Ph: (416) 993-1219 Founder and Senior Systems Architect Crosswinds Internet Communications Inc.