From owner-freebsd-stable@FreeBSD.ORG Wed Mar 27 22:05:14 2013 Return-Path: Delivered-To: freebsd-stable@FreeBSD.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id D638A7CA; Wed, 27 Mar 2013 22:05:14 +0000 (UTC) (envelope-from sgk@troutmask.apl.washington.edu) Received: from troutmask.apl.washington.edu (troutmask.apl.washington.edu [128.95.76.21]) by mx1.freebsd.org (Postfix) with ESMTP id A2357634; Wed, 27 Mar 2013 22:05:14 +0000 (UTC) Received: from troutmask.apl.washington.edu (localhost.apl.washington.edu [127.0.0.1]) by troutmask.apl.washington.edu (8.14.6/8.14.6) with ESMTP id r2RM5ETw068095; Wed, 27 Mar 2013 15:05:14 -0700 (PDT) (envelope-from sgk@troutmask.apl.washington.edu) Received: (from sgk@localhost) by troutmask.apl.washington.edu (8.14.6/8.14.6/Submit) id r2RM5Eov068094; Wed, 27 Mar 2013 15:05:14 -0700 (PDT) (envelope-from sgk) Date: Wed, 27 Mar 2013 15:05:14 -0700 From: Steve Kargl To: Alexander Motin Subject: Re: Any objections/comments on axing out old ATA stack? Message-ID: <20130327220514.GA68064@troutmask.apl.washington.edu> References: <51536306.5030907@FreeBSD.org> <20130327213242.GA67876@troutmask.apl.washington.edu> <51536627.7090005@FreeBSD.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <51536627.7090005@FreeBSD.org> User-Agent: Mutt/1.5.21 (2010-09-15) Cc: freebsd-current@FreeBSD.org, freebsd-stable@FreeBSD.org X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.14 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, 27 Mar 2013 22:05:14 -0000 On Wed, Mar 27, 2013 at 11:35:35PM +0200, Alexander Motin wrote: > On 27.03.2013 23:32, Steve Kargl wrote: > > On Wed, Mar 27, 2013 at 11:22:14PM +0200, Alexander Motin wrote: > >> Hi. > >> > >> Since FreeBSD 9.0 we are successfully running on the new CAM-based ATA > >> stack, using only some controller drivers of old ata(4) by having > >> `options ATA_CAM` enabled in all kernels by default. I have a wish to > >> drop non-ATA_CAM ata(4) code, unused since that time from the head > >> branch to allow further ATA code cleanup. > >> > >> Does any one here still uses legacy ATA stack (kernel explicitly built > >> without `options ATA_CAM`) for some reason, for example as workaround > >> for some regression? > > > > Yes, I use the legacy ATA stack. > > On 9.x or HEAD where new one is default? Head. > >> Does anybody have good ideas why we should not drop > >> it now? > > > > Because it works? > > Any problems with new one? > Last time I tested the new one, and this was several months ago, the system (a Dell Latitude D530 laptop) would not boot. -- Steve