From owner-freebsd-stable@FreeBSD.ORG Sun Dec 18 19:46:54 2005 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 38F0916A41F for ; Sun, 18 Dec 2005 19:46:54 +0000 (GMT) (envelope-from martinkov@pobox.sk) Received: from smtp.dkm.cz (smtp.dkm.cz [62.24.64.34]) by mx1.FreeBSD.org (Postfix) with SMTP id 8A8AE43D46 for ; Sun, 18 Dec 2005 19:46:51 +0000 (GMT) (envelope-from martinkov@pobox.sk) Received: (qmail 9049 invoked by uid 0); 18 Dec 2005 19:46:49 -0000 Received: from r5k4.chello.upc.cz (HELO ?86.49.10.4?) (86.49.10.4) by smtp.dkm.cz with SMTP; 18 Dec 2005 19:46:49 -0000 Message-ID: <43A5BCA9.3090105@pobox.sk> Date: Sun, 18 Dec 2005 20:46:49 +0100 From: martinko User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.7.12) Gecko/20051205 X-Accept-Language: sk, cs, en-gb, en-us, en MIME-Version: 1.0 To: Kevin Oberman References: <20051218001359.46E495D07@ptavv.es.net> In-Reply-To: <20051218001359.46E495D07@ptavv.es.net> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Cc: martinko , Melvyn Sopacua , freebsd-stable@freebsd.org Subject: Re: HEADS UP: Release schedule for 2006 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 18 Dec 2005 19:46:54 -0000 Kevin Oberman wrote: >>Date: Sat, 17 Dec 2005 18:14:01 +0100 >>From: martinko >> >>Kevin Oberman wrote: >> >> >>>>Date: Fri, 16 Dec 2005 14:29:39 -0600 >>>>From: Craig Boston >>>>Sender: owner-freebsd-stable@freebsd.org >>>> >>>> >>>> >>>> >>>>>-cpu0: on acpi0 >>>>>+cpu0: on acpi0 >>>>> >>>>>Q: Guessing that's a formatting difference, rather then 6.x not recognizing >>>>>the states (sysctl hw.acpi.cpu.cx_supported confirms 4 states) >>>>> >>>>> >>>>Not sure on this, but you're probably better off using EST anyway as I >>>>think it gives you more control over the processor frequency. >>>> >>>> >>>No. There is no conflict between Cx states and EST. Cx states specifies >>>how deeply the CPU will sleep when idle. EST controls processor speed >>>and voltage. In most cases, your REALLY want to use both of these. They >>>are very significant in saving power. (Of course, USB tends to limit the >>>effectiveness of Cx states. I need to run without USB to get really good >>>battery life and to make suspend (S3) really ut power drain. >>> >>> >>Kevin, >> >>I used to have 3 Cx states supported when I started with FreeBSD on >>version 5.3. Since I upgraded to 5.4 and recently to 6.0, all I can see >>is just one supported Cx state. I much wonder why. (?) >> >> > >What value do you have in /etc/rc.conf (if any) for >performance_cx_lowest? It defaults to HIGH which will limit you to only >the most power hungry sleep state (simple halt). This was made the >default because some hardware was breaking when this was defaulted to >LOW. T0 get other Cx states to be utilized, add >'performance_cx_lowest="LOW"' to /etc/rc.conf. > > i see. anyway: # grep cx /etc/rc.conf.local economy_cx_lowest="LOW" performance_cx_lowest="LOW" still: # sysctl hw.acpi.cpu hw.acpi.cpu.cx_supported: C1/1 hw.acpi.cpu.cx_lowest: C1 hw.acpi.cpu.cx_usage: 100.00% and, imho, cx_supported should list all available states, doesn't matter what is in rc.conf. (well, at least i reckon it's supposed to work that way.) but: i already had 3 Cx states back on 5.3. and when i had them, C2 was used most often (and C3 wasn't at all iirc). so what has changed in the system please and how am i to get back my states please ?? many thanks, martin