From owner-freebsd-stable@FreeBSD.ORG Wed Aug 10 08:09:27 2011 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 65C37106566B for ; Wed, 10 Aug 2011 08:09:27 +0000 (UTC) (envelope-from daniel@digsys.bg) Received: from smtp-sofia.digsys.bg (smtp-sofia.digsys.bg [193.68.3.230]) by mx1.freebsd.org (Postfix) with ESMTP id E47A38FC08 for ; Wed, 10 Aug 2011 08:09:26 +0000 (UTC) Received: from dcave.digsys.bg (dcave.digsys.bg [192.92.129.5]) (authenticated bits=0) by smtp-sofia.digsys.bg (8.14.4/8.14.4) with ESMTP id p7A89G2O049693 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO); Wed, 10 Aug 2011 11:09:22 +0300 (EEST) (envelope-from daniel@digsys.bg) Message-ID: <4E423CAC.20008@digsys.bg> Date: Wed, 10 Aug 2011 11:09:16 +0300 From: Daniel Kalchev User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:5.0) Gecko/20110720 Thunderbird/5.0 MIME-Version: 1.0 To: Jeremy Chadwick References: <4E4143A6.6030307@digsys.bg> <20110809151646.GF1814@albert.catwhisker.org> <4E422F8A.1070508@digsys.bg> <20110810074759.GA30254@icarus.home.lan> In-Reply-To: <20110810074759.GA30254@icarus.home.lan> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: FreeBSD-STABLE Mailing List Subject: Re: 32GB limit per swap device? 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: Wed, 10 Aug 2011 08:09:27 -0000 On 10.08.11 10:47, Jeremy Chadwick wrote: > On Wed, Aug 10, 2011 at 10:13:14AM +0300, Daniel Kalchev wrote: >> I am more concerned that with 32GB of swap in single device I could >> not dump kernel core, with 64GB of RAM. > My apologies if I've misunderstood something, but why does this of any > concern? Machine has 64GB RAM. You have a single swap slice that's > effectively 32GB. How is a kernel panic worth of 64GB RAM going to fit > into a 32GB swap slice? > The swap partitions are 64GB, it is only that FreeBSD refuses to use more than 32GB of each for swap. But.. it might happily dump core to the whole partition, tests will show. Daniel