From owner-freebsd-stable@FreeBSD.ORG Wed Jul 23 23:18:25 2008 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 75E751065675 for ; Wed, 23 Jul 2008 23:18:25 +0000 (UTC) (envelope-from ianjhart@ntlworld.com) Received: from mtaout02-winn.ispmail.ntl.com (mtaout02-winn.ispmail.ntl.com [81.103.221.48]) by mx1.freebsd.org (Postfix) with ESMTP id BB31A8FC20 for ; Wed, 23 Jul 2008 23:18:24 +0000 (UTC) (envelope-from ianjhart@ntlworld.com) Received: from aamtaout01-winn.ispmail.ntl.com ([81.103.221.35]) by mtaout02-winn.ispmail.ntl.com with ESMTP id <20080723232342.QBZF7070.mtaout02-winn.ispmail.ntl.com@aamtaout01-winn.ispmail.ntl.com> for ; Thu, 24 Jul 2008 00:23:42 +0100 Received: from cpc2-cove3-0-0-cust311.sol2.cable.ntl.com ([86.20.33.56]) by aamtaout01-winn.ispmail.ntl.com with ESMTP id <20080723232505.GUBS16854.aamtaout01-winn.ispmail.ntl.com@cpc2-cove3-0-0-cust311.sol2.cable.ntl.com> for ; Thu, 24 Jul 2008 00:25:05 +0100 X-Virus-Scanned: amavisd-new at cpc2-cove3-0-0-cust311.sol2.cable.ntl.com Received: from gamma.private.lan (gamma.private.lan [192.168.0.12]) by cpc2-cove3-0-0-cust311.sol2.cable.ntl.com (8.14.2/8.14.2) with ESMTP id m6NNI1gI096851; Thu, 24 Jul 2008 00:18:01 +0100 (BST) (envelope-from ianjhart@ntlworld.com) From: ian j hart To: Clifton Royston Date: Thu, 24 Jul 2008 00:18:01 +0100 User-Agent: KMail/1.9.7 References: <200807221659.20396.ianjhart@ntlworld.com> <200807232123.52186.ianjhart@ntlworld.com> <20080723220638.GF2010@lava.net> In-Reply-To: <20080723220638.GF2010@lava.net> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200807240018.01208.ianjhart@ntlworld.com> X-Spam-Status: No, score=-1.4 required=5.0 tests=ALL_TRUSTED autolearn=failed version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on cpc2-cove3-0-0-cust311.sol2.cable.ntl.com Cc: freebsd-stable@freebsd.org Subject: Re: unable to use gmirror on supermicro 5015b-mt 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, 23 Jul 2008 23:18:25 -0000 On Wednesday 23 July 2008 23:06:39 Clifton Royston wrote: > On Wed, Jul 23, 2008 at 09:23:52PM +0100, ian j hart wrote: > ... > > > As I suspected, no takers :) > > > > "Fix". > > > > In /boot/loader.conf > > > > hw.ata.atapi_dma="0" > > > > This allows kldload without hang. I'm sure that this fix will allow me to > > configure a mirror. I'll post back if I'm wrong. > > OK, but *probably* this is an indicator that you need to either > replace the cable (think you said you've tried that) or replace the > motherboard. I tried a 40 wire cable. That's a different test than trying a new (80 wire) cable. > If the cable is known-good and the other components are > known-good, and it won't run with DMA on supported hardware, something > is seriously wrong with this particular board and odds are too high > that it will die horribly later. What are the odds that I bought five systems with exactly the same fault? To avoid tempting fate I should say I only tried "the fix" one one box so far. I'm really not that worried tho'. > (Not to mention that you'll be > hammering your CPU just to get lousy throughput out of it.) Given that the CDROM (DVD if we're being pedantic) will probably get no use at all, ever, I'm not that worried about it's throughput. > > As you said in the other post, you've already spent hours of your > life you won't get back - do you want to sign up for some more hours > further down the road? > > -- Clifton (suddenly questioning why I'm spending hours on mailing lists > today) -- ian j hart