Date: Sun, 17 Jul 2016 07:36:09 +0800 From: Yubin Ruan <ablacktshirt@gmail.com> To: Polytropon <freebsd@edvax.de> Cc: freebsd-questions@freebsd.org Subject: Re: High CPU temperature and high fans level Message-ID: <578AC4E9.7080108@gmail.com> In-Reply-To: <20160717002508.591a61ce.freebsd@edvax.de> References: <CAO%2BPfDe_Bs=OyN39UxKpSGt1RnCKiYxAOFCW5P=VtmYmmtkGuw@mail.gmail.com> <20160717002508.591a61ce.freebsd@edvax.de>
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On 2016年07月17日 06:25, Polytropon wrote: > 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. > How to check whether the powerd configuration is right ? thanks, Ruan.
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