From owner-freebsd-current@FreeBSD.ORG Thu May 8 08:18:26 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4AD2F37B401; Thu, 8 May 2003 08:18:26 -0700 (PDT) Received: from zibbi.icomtek.csir.co.za (zibbi.icomtek.csir.co.za [146.64.24.58]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5167843FBF; Thu, 8 May 2003 08:18:21 -0700 (PDT) (envelope-from jhay@zibbi.icomtek.csir.co.za) Received: from zibbi.icomtek.csir.co.za (localhost [IPv6:::1]) h48FIB5v073232; Thu, 8 May 2003 17:18:11 +0200 (SAST) (envelope-from jhay@zibbi.icomtek.csir.co.za) Received: (from jhay@localhost) by zibbi.icomtek.csir.co.za (8.12.9/8.12.9/Submit) id h48FIBA0073227; Thu, 8 May 2003 17:18:11 +0200 (SAST) (envelope-from jhay) Date: Thu, 8 May 2003 17:18:11 +0200 From: John Hay To: Poul-Henning Kamp Message-ID: <20030508151810.GA72636@zibbi.icomtek.csir.co.za> References: <20030508142234.GA1359@laptop.6bone.nl> <3908.1052404777@critter.freebsd.dk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3908.1052404777@critter.freebsd.dk> User-Agent: Mutt/1.4i cc: alc@freebsd.org cc: freebsd-current@freebsd.org cc: Robert Watson cc: Heiko Schaefer Subject: Re: data corruption with current (maybe sis chipset related?) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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, 08 May 2003 15:18:26 -0000 On Thu, May 08, 2003 at 04:39:37PM +0200, Poul-Henning Kamp wrote: > In message <20030508142234.GA1359@laptop.6bone.nl>, Mark Santcroos writes: > > >They prevent the usage of 4M pages. It's a CPU bug that will cause data > >corruption if enabled. > > > >Terry Lambert (at least) knows the details. > > I _really_ doubt that. > > Please treat all information from Terry as highly suspect, he has not > been in touch with our source code for years. Be that as it may, it was still he that suggested those options and claims that he knows more. On my machine at work, a 1.8GHz P4, those options give me a useable stable machine and without it I get signal 10 and 11's left,right and center. That machine is building a snap every night and has an uptime of 37 days because that is when I last updated it. John -- John Hay -- John.Hay@icomtek.csir.co.za / jhay@FreeBSD.org