From owner-svn-src-head@FreeBSD.ORG Mon Apr 25 15:37:05 2011 Return-Path: Delivered-To: svn-src-head@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A6133106571B; Mon, 25 Apr 2011 15:37:05 +0000 (UTC) (envelope-from imp@bsdimp.com) Received: from harmony.bsdimp.com (bsdimp.com [199.45.160.85]) by mx1.freebsd.org (Postfix) with ESMTP id 3F3108FC19; Mon, 25 Apr 2011 15:37:05 +0000 (UTC) Received: from 63.imp.bsdimp.com (63.imp.bsdimp.com [10.0.0.63]) (authenticated bits=0) by harmony.bsdimp.com (8.14.4/8.14.3) with ESMTP id p3PFYCxT021338 (version=TLSv1/SSLv3 cipher=DHE-DSS-AES128-SHA bits=128 verify=NO); Mon, 25 Apr 2011 09:34:12 -0600 (MDT) (envelope-from imp@bsdimp.com) Mime-Version: 1.0 (Apple Message framework v1084) Content-Type: text/plain; charset=us-ascii From: Warner Losh In-Reply-To: <20110425134531.GA4391@garage.freebsd.pl> Date: Mon, 25 Apr 2011 09:34:12 -0600 Content-Transfer-Encoding: quoted-printable Message-Id: <50385B7B-7EC8-4BC3-8F88-83F9EB4096FB@bsdimp.com> References: <201104240858.p3O8wwqT024628@svn.freebsd.org> <4DB441B0.8020906@FreeBSD.org> <20110425134531.GA4391@garage.freebsd.pl> To: Pawel Jakub Dawidek X-Mailer: Apple Mail (2.1084) X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.0.1 (harmony.bsdimp.com [10.0.0.6]); Mon, 25 Apr 2011 09:34:12 -0600 (MDT) Cc: src-committers@FreeBSD.org, Alexander Motin , "Bjoern A. Zeeb" , Robert Watson , svn-src-head@FreeBSD.org, svn-src-all@FreeBSD.org Subject: Re: svn commit: r220982 - in head: . sys/amd64/conf sys/arm/conf sys/conf sys/i386/conf sys/ia64/conf sys/mips/conf sys/mips/malta sys/pc98/conf sys/powerpc/conf sys/sparc64/conf sys/sun4v/conf X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Apr 2011 15:37:05 -0000 On Apr 25, 2011, at 7:45 AM, Pawel Jakub Dawidek wrote: > On Sun, Apr 24, 2011 at 06:59:40PM +0000, Bjoern A. Zeeb wrote: >> I had been pondering devfs "link"s myself, the problem is that from = the rc >> framework they come too late. If you can add a simple .ko that does = it >> programmatically on 9 that would be great. The problem is that after = booting >> the new kernel you don't know whether people had ATA_STATIC on or = not, so >> we'd have to go with the defaults, that were in 8.x (and an extra = tunable to >> flip the logic maybe)? >=20 > We do know that people have ATA_STATIC_ID, because if they don't, this > means they have their custom kernel config which doesn't contain = ATA_CAM > and when they will use it next time they recompile their kernel they > will still have /dev/adX entries. >=20 > Also, as Alexander already noted, because of all the problems with ATA > naming over the years and for other reasons too, people often hardcode > provider name in various GEOM classes metadata, so symlink won't help. Do we have a short list of the places to look? A lot of this could be = done with a script that gets run at installworld and boot time to hunt = down the old cases and report them to the user before they upgrade their = kernel (but this would mean backing out the GENERIC change for a while = to give people a chance to upgrade to label-based provisioning... Warner