From owner-freebsd-questions@freebsd.org Sat Jul 16 22:25:18 2016 Return-Path: Delivered-To: freebsd-questions@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 4ADDAB9B182 for ; Sat, 16 Jul 2016 22:25:18 +0000 (UTC) (envelope-from freebsd@edvax.de) Received: from mx01.qsc.de (mx01.qsc.de [213.148.129.14]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 117F41EDC for ; Sat, 16 Jul 2016 22:25:17 +0000 (UTC) (envelope-from freebsd@edvax.de) Received: from r56.edvax.de (port-92-195-96-167.dynamic.qsc.de [92.195.96.167]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx01.qsc.de (Postfix) with ESMTPS id D708A3CDDB; Sun, 17 Jul 2016 00:25:08 +0200 (CEST) Received: from r56.edvax.de (localhost [127.0.0.1]) by r56.edvax.de (8.14.5/8.14.5) with SMTP id u6GMP8CR002117; Sun, 17 Jul 2016 00:25:08 +0200 (CEST) (envelope-from freebsd@edvax.de) Date: Sun, 17 Jul 2016 00:25:08 +0200 From: Polytropon To: David Demelier Cc: freebsd-questions@freebsd.org Subject: Re: High CPU temperature and high fans level Message-Id: <20160717002508.591a61ce.freebsd@edvax.de> In-Reply-To: References: Reply-To: Polytropon Organization: EDVAX X-Mailer: Sylpheed 3.1.1 (GTK+ 2.24.5; i386-portbld-freebsd8.2) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 16 Jul 2016 22:25:18 -0000 On Sun, 17 Jul 2016 00:06:07 +0200, David Demelier wrote: > Hello, > > I was trying FreeBSD 10.3 on my laptop (hp probook 4510s) and was surprised > to see high CPU temperature and fans running high. > > No apps running, I get a temperature of 57C in dev.cpu.x.temperature and > fans run high (not able to get rpms). > > On a 4.6.3 Linux distro I get an average of 48C and fans are quite low. > > Both tests were kept in tty. No Xorg running just a boot and user login in > console. > > Do you have any clue? Did you enable powerd? It can slow down the CPU when the system is idle, and increase the CPU speed when needed. This should have an effect on CPU temperature and fan speed. -- Polytropon Magdeburg, Germany Happy FreeBSD user since 4.0 Andra moi ennepe, Mousa, ...