From owner-freebsd-acpi@freebsd.org Thu Aug 18 07:46:20 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 CF5DBBBE575 for ; Thu, 18 Aug 2016 07:46:20 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4E93D13C2 for ; Thu, 18 Aug 2016 07:46:20 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from tom.home (kib@localhost [127.0.0.1]) by kib.kiev.ua (8.15.2/8.15.2) with ESMTPS id u7I7kAYu062625 (version=TLSv1 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO); Thu, 18 Aug 2016 10:46:10 +0300 (EEST) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.10.3 kib.kiev.ua u7I7kAYu062625 Received: (from kostik@localhost) by tom.home (8.15.2/8.15.2/Submit) id u7I7k9xh062611; Thu, 18 Aug 2016 10:46:09 +0300 (EEST) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Thu, 18 Aug 2016 10:46:09 +0300 From: Konstantin Belousov To: am_dxer@fastmail.fm Cc: freebsd-acpi@freebsd.org Subject: Re: Problems with CPU throttling on HP 15-n066us laptop Message-ID: <20160818074609.GV83214@kib.kiev.ua> References: <1471488612.2196853.698646081.0844D23B@webmail.messagingengine.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1471488612.2196853.698646081.0844D23B@webmail.messagingengine.com> User-Agent: Mutt/1.6.1 (2016-04-27) X-Spam-Status: No, score=-2.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED autolearn=no autolearn_force=no version=3.4.1 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on tom.home 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 07:46:20 -0000 On Wed, Aug 17, 2016 at 10:50:12PM -0400, 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 It is more useful to show sysctl dev.cpu. I suspect your bios reports C-states in a way which we do not parse properly. I am not aware of AMD-specific analog for the Intel' document 'Processor Vendor-Specific ACPI Interface Specification'. If somebody has a pointer to AMD version and wants to test, I am willing to code that.