From owner-freebsd-current@FreeBSD.ORG Wed Jul 25 20:44:02 2007 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4E04D16A419 for ; Wed, 25 Jul 2007 20:44:02 +0000 (UTC) (envelope-from scottl@samsco.org) Received: from pooker.samsco.org (pooker.samsco.org [168.103.85.57]) by mx1.freebsd.org (Postfix) with ESMTP id F1CAB13C458 for ; Wed, 25 Jul 2007 20:44:01 +0000 (UTC) (envelope-from scottl@samsco.org) Received: from phobos.samsco.home (phobos.samsco.home [192.168.254.11]) (authenticated bits=0) by pooker.samsco.org (8.13.8/8.13.8) with ESMTP id l6PKhuKt014447; Wed, 25 Jul 2007 14:43:57 -0600 (MDT) (envelope-from scottl@samsco.org) Message-ID: <46A7B607.2070207@samsco.org> Date: Wed, 25 Jul 2007 14:43:51 -0600 From: Scott Long User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.1.4) Gecko/20070509 SeaMonkey/1.1.2 MIME-Version: 1.0 To: Steven Schlansker References: <46A7B47F.3050300@berkeley.edu> In-Reply-To: <46A7B47F.3050300@berkeley.edu> X-Enigmail-Version: 0.95.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-2.0.2 (pooker.samsco.org [168.103.85.57]); Wed, 25 Jul 2007 14:43:57 -0600 (MDT) X-Spam-Status: No, score=-1.4 required=5.5 tests=ALL_TRUSTED autolearn=failed version=3.1.8 X-Spam-Checker-Version: SpamAssassin 3.1.8 (2007-02-13) on pooker.samsco.org Cc: freebsd-current@freebsd.org Subject: Re: Are SATA port multipliers supported in -CURRENT? 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: Wed, 25 Jul 2007 20:44:02 -0000 Steven Schlansker wrote: > Hello everyone, > I am considering buying a SiI 3132 SATA card along with a 5-1 port > multiplier. I'm trying to see if FreeBSD supports such a configuration, > but the only reference found to port multipliers and FreeBSD was some > poor, lonely man asking about a "porn multiplier" crashing his system on > startup. :-p > The thread trailed off quickly, without resolution. > > So my question is: Are port multipliers supported in CURRENT? Are > there any caveats? I don't see anything in UPDATING, the handbook, or > our friend Google. I want to check that it is supported before I drop > $80 on it :) Thanks a bunch! > Steven They are only supported at the moment by controllers that are intelligent enough to hide the details of how they work from the OS. The SiI family probably doesn't fall into this category. I'm working on this as part of a larger SATA/SAS/SCSI/FC overhaul, but it'll be a few months before there are any results. Scott