From owner-freebsd-hackers@FreeBSD.ORG Thu May 27 03:33:03 2004 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9917716A4CE for ; Thu, 27 May 2004 03:33:03 -0700 (PDT) Received: from smtp.des.no (flood.des.no [217.116.83.31]) by mx1.FreeBSD.org (Postfix) with ESMTP id C068943D31 for ; Thu, 27 May 2004 03:33:02 -0700 (PDT) (envelope-from des@des.no) Received: by smtp.des.no (Pony Express, from userid 666) id 92895530A; Thu, 27 May 2004 12:32:22 +0200 (CEST) Received: from dwp.des.no (des.no [80.203.228.37]) by smtp.des.no (Pony Express) with ESMTP id 1FBF45309; Thu, 27 May 2004 12:32:15 +0200 (CEST) Received: by dwp.des.no (Postfix, from userid 2602) id CFB5C33CAA; Thu, 27 May 2004 12:32:14 +0200 (CEST) To: bjohns123@msn.com References: From: des@des.no (=?iso-8859-1?q?Dag-Erling_Sm=F8rgrav?=) Date: Thu, 27 May 2004 12:32:14 +0200 In-Reply-To: (lost inferno's message of "Wed, 26 May 2004 15:15:44 -0400") Message-ID: User-Agent: Gnus/5.1006 (Gnus v5.10.6) Emacs/21.3 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on flood.des.no X-Spam-Level: X-Spam-Status: No, hits=0.5 required=5.0 tests=AWL,MAILTO_TO_SPAM_ADDR autolearn=no version=2.63 cc: freebsd-hackers@freebsd.org Subject: Re: KVA space problems? X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 27 May 2004 10:33:03 -0000 "lost inferno" writes: > I posted something to stable about this, but Im wondering if anyone > has seen this... I saw something over here ( > http://gobsd.com/node/view/39 ) that made me really consider my > options as the 4.x series comes to an end... is anyone else looking > into this? Perhaps i would be best off to move over to this DragonFly > thing and see what it's about. First of all, you need to realize that GoBSD is a DragonFly advocacy site. That doesn't necessarily make it a bad site, but it does mean it's biased. Second, the FreeBSD 4 kernel is not reentrant, even on SMP systems, so as far as I know, the bug described in that article Can't Happen[tm]. I haven't investigated this closely, however, so I may be wrong; but I'm pretty sure that if there really was a serious problem there, Matt would have let us know. He usually does. Finally, David's claim that we have not "been doing much of anything over the past few years" is simply untrue; he should take a look at -CURRENT, which actually "moved away from this memory allocation method" about a year and a half before DragonFlyBSD got off the ground. DES --=20 Dag-Erling Sm=F8rgrav - des@des.no