From owner-freebsd-current@FreeBSD.ORG Tue Sep 11 04:53:04 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 832DF16A417; Tue, 11 Sep 2007 04:53:04 +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 41CDC13C458; Tue, 11 Sep 2007 04:53:03 +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 l8B4r05e036282; Mon, 10 Sep 2007 22:53:00 -0600 (MDT) (envelope-from scottl@samsco.org) Message-ID: <46E61F17.7050504@samsco.org> Date: Mon, 10 Sep 2007 22:52:39 -0600 From: Scott Long User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.1.6) Gecko/20070802 SeaMonkey/1.1.4 MIME-Version: 1.0 To: "Kenneth D. Merry" References: <46E615C4.1010605@samsco.org> <20070911042517.GA18197@nargothrond.kdm.org> In-Reply-To: <20070911042517.GA18197@nargothrond.kdm.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed 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]); Mon, 10 Sep 2007 22:53:01 -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-scsi@freebsd.org, njl@freebsd.org, freebsd-current@freebsd.org Subject: Re: Retirement of CAM_QUIRK_NOSERIAL 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: Tue, 11 Sep 2007 04:53:04 -0000 Kenneth D. Merry wrote: > On Mon, Sep 10, 2007 at 22:12:52 -0600, Scott Long wrote: >> All, >> >> The attached patch should make CAM behave properly with regard to >> probing device serial numbers only when the device advertises that >> it supports it. It will hopefully eliminate the need for the >> CAM_QUIRK_NOSERIAL quirk (one instance is left because of an unrelated >> legacy problem that may or may not be possible to fix). This should >> especially benefit USB-UMASS devices, where the console output should >> be less noisy. It might even make more devices work out-of-the-box. >> So please focus testing on USB, but I'd also ask that people test >> the following devices as well as any firewire devices: >> >> * Western Digital My Book 250GB (USB) >> * Maxtor Personal Storage 3000XT (Firewire) > > Good idea. I wonder, though, whether devices that hang or otherwise blow > up on a serial number inquiry would also have trouble with the supported > pages VPD page. All the more reason we'll need people with the quirked > hardware to test it... > > Ken I'm pretty sure that VPD page 0x00 is part of WHQL, so there's a good chance that just about anything made in the last 10 years will support it sanely. Support should extend much further back since it was clearly defined in the SCSI-2 spec, though we both know how muddy that argument is. Scott