From owner-svn-src-all@FreeBSD.ORG Fri Dec 10 08:42:15 2010 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8D95D1065670; Fri, 10 Dec 2010 08:42:15 +0000 (UTC) (envelope-from avg@freebsd.org) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id 28B748FC0C; Fri, 10 Dec 2010 08:42:13 +0000 (UTC) Received: from porto.topspin.kiev.ua (porto-e.starpoint.kiev.ua [212.40.38.100]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id KAA01177; Fri, 10 Dec 2010 10:42:06 +0200 (EET) (envelope-from avg@freebsd.org) Received: from localhost.topspin.kiev.ua ([127.0.0.1]) by porto.topspin.kiev.ua with esmtp (Exim 4.34 (FreeBSD)) id 1PQyYI-0002rK-KB; Fri, 10 Dec 2010 10:42:06 +0200 Message-ID: <4D01E7DD.8050904@freebsd.org> Date: Fri, 10 Dec 2010 10:42:05 +0200 From: Andriy Gapon User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US; rv:1.9.2.12) Gecko/20101029 Lightning/1.0b2 Thunderbird/3.1.6 MIME-Version: 1.0 To: Erik Trulsson References: <201012072046.oB7KkB4L079555@svn.freebsd.org> <4CFEAD09.30904@freebsd.org> <4CFEAFA6.4020103@feral.com> <4CFEB1AD.70906@freebsd.org> <20101208153857.H1428@besplex.bde.org> <20101208225235.501ced0e@core.draftnet> <20101209191657.B1400@besplex.bde.org> <20101209221458.42448075@core.draftnet> <4D015A09.7070608@freebsd.org> <20101210011022.GB68703@owl.midgard.homeip.net> In-Reply-To: <20101210011022.GB68703@owl.midgard.homeip.net> X-Enigmail-Version: 1.1.2 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Bruce Cran , src-committers@freebsd.org, svn-src-all@freebsd.org, Bruce Evans , Bruce Cran , svn-src-head@freebsd.org, Matthew Jacob Subject: Re: svn commit: r216269 - head/sys/geom/part X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 10 Dec 2010 08:42:15 -0000 on 10/12/2010 03:10 Erik Trulsson said the following: > On Fri, Dec 10, 2010 at 12:36:57AM +0200, Andriy Gapon wrote: >> on 10/12/2010 00:14 Bruce Cran said the following: >>> Since it appears that disks are still using the CHS fields despite >>> having been obsolete since ATA-7 I guess it makes sense to continue >>> printing them. Label1: >> I apologize for repeating myself, that probably starts to be annoying... >> We read some reserved/unused/obsolete bytes and get some garbage in them. >> The fact that the garbage looks like "valid" (for some definition of "valid") >> CHS parameters doesn't mean that those are really valid, or CHS parameters, or >> we should use them, or we should even report them, even for debug. >> That's my personal position and I am sticking to it :-) > > > No. Those bytes may be obsolete, and might be reserved by the latest > version(s) of the ATA standard, but they are not unused and they do not > contain garbage. They do contain CHS parameters as set by the drive > manufacturers, and should continue to be reported as such by the tools > we have that provide disk information. So, your personal belief/interpretation against mine, fair enough. Can't add anything except go to $Label1. :-) -- Andriy Gapon