From owner-freebsd-questions@freebsd.org Sun Jul 17 09:59:34 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 EAB73B9B0B2 for ; Sun, 17 Jul 2016 09:59:34 +0000 (UTC) (envelope-from demelier.david@gmail.com) Received: from mail-vk0-x231.google.com (mail-vk0-x231.google.com [IPv6:2607:f8b0:400c:c05::231]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id A1BE91AE8 for ; Sun, 17 Jul 2016 09:59:34 +0000 (UTC) (envelope-from demelier.david@gmail.com) Received: by mail-vk0-x231.google.com with SMTP id w127so148072708vkh.2 for ; Sun, 17 Jul 2016 02:59:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=Cm1Es+gOfG5NzyQWGD1H+iHb1x11H1FHoK7BkoAa1o8=; b=QKXsN89KHfgucJORcPcyR3XH2VcgH5e2P8GODNE7KI61px75Hnm9WC8rOUeMO41UwD PcG9MTQE+b6krzdJ4qAGMv4AgCRsrddXPpgzJbr8QjVvCn++drzZZOWbm4unaAV4PpjF Q5iIzK6lFsq1gC2Cr/957A4MVuW73xjWR6UMQ9NtWrk4cLffevnPBsGY+Ds0qTI0BveE aM70Q59ktcdqPSye4v87utPUO6q8xGBRVt2qrtaDk5H2QFyqpgcWJ7ceZ2JzJg9A09Gg Th9b7RizZKEDFG2XOD5HWVgY5CzzFo73VWl4Apl/oGFjNNdXb2h1mTjprMUcZlCmT8Mr pNtw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=Cm1Es+gOfG5NzyQWGD1H+iHb1x11H1FHoK7BkoAa1o8=; b=bB6vRU5m3TWx976aJ2iVML+AmanHblfnGhR3wi4Znz7T3vTmYWEABraWX6CVy20zQr iTeyRP9Ld5u90UozdFDX7YQrhfXLM1FSe1U/Aqh6hj2ofCGXmld0+6+efaHfak/xWz7A p3rcwdcoQGympHwLv+BNf7evYG0Hc/mnlx10rmjMHUEj87PvVK6wUrZ7RV4Tk7TDSHUO QEFiWtGmBwbfnCtS85xvK2QJt8cj4oeZyLBVU2B4p1hjZoQl0TVpcgU00i8fTHSiuCj0 wdLkbUorKufZU6KVbHWCHI33I/NdCkAzCIFoNiI1QOFygONf7MHY4o5vpzWFyn4dW5SW 9ppA== X-Gm-Message-State: ALyK8tIKvGExyNr+B+GkqWpb29OLHH1sqL6/RfG45o+/ZoPJt5DWMaqf3RD18aWbTPHHFsEI3HavNDfEHyMGqA== X-Received: by 10.159.55.206 with SMTP id q72mr12770866uaq.152.1468749573365; Sun, 17 Jul 2016 02:59:33 -0700 (PDT) MIME-Version: 1.0 Received: by 10.103.44.84 with HTTP; Sun, 17 Jul 2016 02:59:32 -0700 (PDT) In-Reply-To: <20160717002508.591a61ce.freebsd@edvax.de> References: <20160717002508.591a61ce.freebsd@edvax.de> From: David Demelier Date: Sun, 17 Jul 2016 11:59:32 +0200 Message-ID: Subject: Re: High CPU temperature and high fans level To: freebsd-questions@freebsd.org Content-Type: text/plain; charset=UTF-8 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: Sun, 17 Jul 2016 09:59:35 -0000 2016-07-17 0:25 GMT+02:00 Polytropon : > 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. > Yes, I had powerd enabled, I tried -a adaptive, -a hiadaptive as suggested by Erich but it seems that only -a min has some little effect. I could get a temperature of 52C. I've tested back on Linux and I got an average much lower (41C). By the way the other sensors in hw.acpi.tz* are also much higher than Linux (using lm_sensors). The highest value is my tz5 which is at 78C almost 5 seconds after boot while the maximum tz value in Linux sensors is 55. I have no idea what's wrong. :( -- Demelier David