From owner-freebsd-current@FreeBSD.ORG Wed Mar 27 22:22:21 2013 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 814C3D4E; Wed, 27 Mar 2013 22:22:21 +0000 (UTC) (envelope-from mavbsd@gmail.com) Received: from mail-ea0-x230.google.com (mail-ea0-x230.google.com [IPv6:2a00:1450:4013:c01::230]) by mx1.freebsd.org (Postfix) with ESMTP id E84FA70C; Wed, 27 Mar 2013 22:22:20 +0000 (UTC) Received: by mail-ea0-f176.google.com with SMTP id h10so3727313eaj.35 for ; Wed, 27 Mar 2013 15:22:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:sender:message-id:date:from:user-agent:mime-version:to :cc:subject:references:in-reply-to:content-type :content-transfer-encoding; bh=n0ILBAJEmYbSebiH5E2NvzEIyIZJLagZ2UlCP0JUtPQ=; b=bE/qe0cuopf6flXjvatl/TZSxCGIBzdnQkqxz3D4pEBfSM7SuXkaMKTLhFKi9yxWpT mq6I2VASwx2bLuWWtoysndKVrX1uroYMhbPBakq2y4QNrjO6EaPwHFsX4BXXsrvNGESW W7BclSdwcUbjUKLRozzEJNpoeD2cogBV9ROgpE7tV0PONRJqmFCR3WitOVYykJngeDtO ZktGt0nkGQx4/QBWzFZf2E5KVu4InNRYYUEuQgvB1qmOgJ8xzlNQgSu+CP4mhy08ktc6 FR7kpiHNfLt2DARyLxJmaw3SJOjSt10AK9uBV0JO32y64vUQ9EECuaHV4ItjNT5fMsqB xs4w== X-Received: by 10.14.179.5 with SMTP id g5mr60308104eem.41.1364422939559; Wed, 27 Mar 2013 15:22:19 -0700 (PDT) Received: from mavbook.mavhome.dp.ua (mavhome.mavhome.dp.ua. [213.227.240.37]) by mx.google.com with ESMTPS id t4sm34133642eel.0.2013.03.27.15.22.16 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 27 Mar 2013 15:22:18 -0700 (PDT) Sender: Alexander Motin Message-ID: <51537113.6080406@FreeBSD.org> Date: Thu, 28 Mar 2013 00:22:11 +0200 From: Alexander Motin User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:17.0) Gecko/20130326 Thunderbird/17.0.4 MIME-Version: 1.0 To: Steve Kargl Subject: Re: Any objections/comments on axing out old ATA stack? References: <51536306.5030907@FreeBSD.org> <20130327213242.GA67876@troutmask.apl.washington.edu> <51536627.7090005@FreeBSD.org> <20130327220514.GA68064@troutmask.apl.washington.edu> In-Reply-To: <20130327220514.GA68064@troutmask.apl.washington.edu> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-current@FreeBSD.org, freebsd-stable@FreeBSD.org X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 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, 27 Mar 2013 22:22:21 -0000 On 28.03.2013 00:05, Steve Kargl wrote: > 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. Probably we should just fix that. Any more info? -- Alexander Motin