From owner-svn-src-all@FreeBSD.ORG Thu Jun 18 14:10:56 2009 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 0B80F1065676; Thu, 18 Jun 2009 14:10:56 +0000 (UTC) (envelope-from alexander@leidinger.net) Received: from mail.ebusiness-leidinger.de (mail.ebusiness-leidinger.de [217.11.53.44]) by mx1.freebsd.org (Postfix) with ESMTP id 9B4808FC0A; Thu, 18 Jun 2009 14:10:55 +0000 (UTC) (envelope-from alexander@leidinger.net) Received: from outgoing.leidinger.net (pD9E2D1B3.dip.t-dialin.net [217.226.209.179]) by mail.ebusiness-leidinger.de (Postfix) with ESMTPSA id 2C26F8444EC; Thu, 18 Jun 2009 16:10:18 +0200 (CEST) Received: from webmail.leidinger.net (webmail.leidinger.net [192.168.1.102]) by outgoing.leidinger.net (Postfix) with ESMTP id E02F0BF5D7; Thu, 18 Jun 2009 16:10:14 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=Leidinger.net; s=outgoing-alex; t=1245334215; bh=PGS/JB5pILRRk2Yx/efloybKsQiZSlPO80gi4cMw4hY=; h=Message-ID:Date:From:To:Cc:Subject:References:In-Reply-To: MIME-Version:Content-Type:Content-Transfer-Encoding; b=qcSY/bsCcJfk/GSICFMHghyhMv4LsBuGMCwZoL2NBHgOzP9g1OZhjuK+maK0oCwBg P9AY4bY61E0JH67sSw0Z42lT5hIMqEeezQ5Abe3fWWXjGDyhmku/pe8ti+FEhd4lbG KGf+lbMLeCL5bqcgxDeFe02rOSyAVKxc45Vvuiota8Eh2a9OliAksaCXFKnVlvowlf 6QNHZXwovA5zeOlII1dimiafZqE+kOLOjRbMr2glVBCn66JYlz5Ij2EjhZXG71PcAT CK6tVbbEoCCKOcrzs201+RpvfoV6/0Nk4gM1oWoaDnIWQ5tMbkMI60GFvezAF/35Tv afzGdNZlg7ZSw== Received: (from www@localhost) by webmail.leidinger.net (8.14.3/8.13.8/Submit) id n5IEAEY0051252; Thu, 18 Jun 2009 16:10:14 +0200 (CEST) (envelope-from Alexander@Leidinger.net) Received: from pslux.cec.eu.int (pslux.cec.eu.int [158.169.9.14]) by webmail.leidinger.net (Horde Framework) with HTTP; Thu, 18 Jun 2009 16:10:14 +0200 Message-ID: <20090618161014.20533fy9f9hs0ukg@webmail.leidinger.net> X-Priority: 3 (Normal) Date: Thu, 18 Jun 2009 16:10:14 +0200 From: Alexander Leidinger To: Alexander Motin References: <200904292117.n3TLHIpt093110@svn.freebsd.org> <20090617150015.18455ggwluk5bcgs@webmail.leidinger.net> <4A38EB41.2080206@FreeBSD.org> <20090618152740.1806764x8heftjv0@webmail.leidinger.net> <4A3A41A6.3080404@FreeBSD.org> In-Reply-To: <4A3A41A6.3080404@FreeBSD.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; DelSp="Yes"; format="flowed" Content-Disposition: inline Content-Transfer-Encoding: 7bit User-Agent: Internet Messaging Program (IMP) 4.3.3 / FreeBSD-8.0 X-EBL-MailScanner-Information: Please contact the ISP for more information X-EBL-MailScanner-ID: 2C26F8444EC.B5B36 X-EBL-MailScanner: Found to be clean X-EBL-MailScanner-SpamCheck: not spam, spamhaus-ZEN, SpamAssassin (not cached, score=-1.363, required 6, autolearn=disabled, ALL_TRUSTED -1.44, DKIM_SIGNED 0.00, DKIM_VERIFIED -0.00, TW_SV 0.08) X-EBL-MailScanner-From: alexander@leidinger.net X-EBL-MailScanner-Watermark: 1245939025.67024@TokX7ngn4QMZBluO7prYWw X-EBL-Spam-Status: No Cc: svn-src-head@FreeBSD.org, svn-src-all@FreeBSD.org, src-committers@FreeBSD.org Subject: Re: svn commit: r191674 - in head/sys/dev/ata: . chipsets 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: Thu, 18 Jun 2009 14:10:56 -0000 Quoting Alexander Motin (from Thu, 18 Jun 2009 16:31:18 +0300): > Alexander Leidinger wrote: >> Quoting Alexander Motin (from Wed, 17 Jun 2009 >> 16:10:25 +0300): >> >>> Alexander Leidinger wrote: >>>> Quoting Alexander Motin (from Wed, 29 Apr 2009 >>>> 21:17:18 +0000 (UTC)): >> >>>>> PARTIAL state has up to 100us (50us for me) wakeup latency, but >>>>> for my >>>>> ICH8M saves 0.5W of power per drive. SLUMBER state has up to 10ms >>>>> (3.5ms >>>>> for me) wakeup latency, but saves 0.8W of power. >>>>> >>>>> Modes 2 and 3 are implemented only for AHCI driver now. >>>> >>>> Does this mean it is for SATA devices only, or is this a feature of the >>>> complete controller (ICH5 in my case) and also works with PATA drives? >>> >>> This feature is SATA-specific by definition. AFAIK there is no bus power >>> management in PATA. >> >> What happens if such a setting is made for a pata channel, will the >> system ignore it? The idea of the question is: can I just add those >> hints for all my ata channels on a remote system without getting into >> trouble? > > You can. Nothing happen. It will just set variable that is used only by > SATA and AHCI code. PATA does not use it. Ok, thanks! I'm going to try this now. Bye, Alexander. -- Creativity is no substitute for knowing what you are doing. http://www.Leidinger.net Alexander @ Leidinger.net: PGP ID = B0063FE7 http://www.FreeBSD.org netchild @ FreeBSD.org : PGP ID = 72077137