From owner-freebsd-acpi@freebsd.org Thu Aug 18 05:47:43 2016 Return-Path: Delivered-To: freebsd-acpi@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 4CCFFBBE7D8 for ; Thu, 18 Aug 2016 05:47:43 +0000 (UTC) (envelope-from pribyl@lowlevel.cz) Received: from mx.sandbox.cz (sandbox.cz [87.236.197.188]) by mx1.freebsd.org (Postfix) with ESMTP id 181EC1ECA for ; Thu, 18 Aug 2016 05:47:41 +0000 (UTC) (envelope-from pribyl@lowlevel.cz) Received: by sandbox.cz (Postfix, from userid 1007) id ECF0D6017E4; Thu, 18 Aug 2016 07:47:33 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by sandbox.cz (Postfix) with ESMTP id E53496017E3 for ; Thu, 18 Aug 2016 07:47:33 +0200 (CEST) Date: Thu, 18 Aug 2016 07:47:33 +0200 (CEST) From: Adam Pribyl X-X-Sender: covex@sandbox.cz cc: freebsd-acpi@freebsd.org Subject: Re: Problems with CPU throttling on HP 15-n066us laptop In-Reply-To: <1471488612.2196853.698646081.0844D23B@webmail.messagingengine.com> Message-ID: References: <1471488612.2196853.698646081.0844D23B@webmail.messagingengine.com> User-Agent: Alpine 2.11 (DEB 23 2013-08-11) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Aug 2016 05:47:43 -0000 FreeBSD 10 has throttling disabled. I can confirm the throttling is saving almost nothing, it is much better to use Cstates: https://wiki.freebsd.org/TuningPowerConsumption On Wed, 17 Aug 2016, am_dxer@fastmail.fm wrote: > Hello, > I purchased a new laptop for FreeBSD and am having some problems with > CPU throttling. This laptop has an aMD a10-5745m processor. I cannot > start powerd and the frequency levels in dev.cpu are absent. I tried > with 11 and when that didn't work, I upgraded to Current. The laptop is > running very hot and the fans are often running at a high speed so I > think the cpu is running near full speed. This is the only issue I am > having in general use of the laptop. I will include the url for my asl > below as well as the output of dmesg after boot -v and sysctl hw.acpi. I > noticed messages like "acpi_ec0: EcCommand: no response to 0x84" near > the bottom of the dmesg but honestly don't know enough about acpi to say > whether this could be causing the problem. I tried Googling the error > and found people who seemed to be having trouble with temperature > readings and battery status. For me, the battery status is working fine > when I check it via acpiconf although I did notice some unusual > temperature readings in the dmesg output. There are some other > temperature readings that appear in sysctl but I would have to study > them more during a work session to see if they remain reasonable. Thanks > in advance for any help. > > > asl url: http://pasted.co/5770b687 > > boot-v output: http://pasted.co/c8e9fb89 > > hw.acpi output: http://pasted.co/cc611266