From owner-freebsd-stable@FreeBSD.ORG Fri May 22 13:28:51 2015 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id D56DFBA2 for ; Fri, 22 May 2015 13:28:51 +0000 (UTC) Received: from mail-lb0-x22e.google.com (mail-lb0-x22e.google.com [IPv6:2a00:1450:4010:c04::22e]) (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 5C147152D for ; Fri, 22 May 2015 13:28:51 +0000 (UTC) Received: by lbbqq2 with SMTP id qq2so12845184lbb.3 for ; Fri, 22 May 2015 06:28:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=w6vHIRp+KlXadytAmunf/J98rtWFIeeNTlf7r4BhsQY=; b=zBsGp0Clt7cFHs2yxUQnsdPaT8PnOX4T8GkqkAvK09ST3As1Tp7+29t1pEBEkL0Ylv actA4ydp3CXlb8JFG7Flk0Kx6I8feP16WNPCm/nJj7DE7qUGsMW+a9S1FqeeWxqbvq4C nLbNj7ZvH3FU9Xo3b3+6jeS9G09wqcXiKJDF9hLlerPyzpNteuAkaED2Zx4NjffmhqaW 51wdxxSva+aK6MEJU7FwQ+Tak8NTP1s//sZJOV1oDJWASYm9E+kQo3JQqiEUozVJcfkX xl3zQjhWAodG4rtBTOzSOLwDmbwmUzjdg9v9OEox3k3VRS9u3KookTT2EQclQqAByoTO Mnhw== MIME-Version: 1.0 X-Received: by 10.152.164.233 with SMTP id yt9mr6611604lab.58.1432301329144; Fri, 22 May 2015 06:28:49 -0700 (PDT) Received: by 10.152.137.193 with HTTP; Fri, 22 May 2015 06:28:49 -0700 (PDT) In-Reply-To: <20150522104213.4e083225@nonamehost.local> References: <555C71C8.4080007@gmx.com> <555EDBBB.4090107@gmx.com> <20150522104213.4e083225@nonamehost.local> Date: Fri, 22 May 2015 16:28:49 +0300 Message-ID: Subject: Re: CPU frequency doesn't drop below 1200MHz (like it used to) From: Kimmo Paasiala To: Ivan Klymenko Cc: Nikos Vassiliadis , "freebsd-stable@freebsd.org" Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 22 May 2015 13:28:51 -0000 On Fri, May 22, 2015 at 10:42 AM, Ivan Klymenko wrote: > Fri, 22 May 2015 09:33:15 +0200 > Nikos Vassiliadis =D0=BD=D0=B0=D0=BF=D0=B8=D1=81=D0=B0=D0= =B2: > >> Hi, >> >> I just noticed that my CPU's frequency doesn't support dropping >> below 1200MHz. It used to be able to go down to 150MHz, if I am >> not mistaken. I'd like it to go down to 600MHz via powerd, like >> it used to go. This is a month's old 10-STABLE. >> >> > [nik@moby ~]$ sysctl dev.cpu.0.freq_levels >> > dev.cpu.0.freq_levels: 2400/35000 2300/32872 2200/31127 2100/29417 >> > 2000/27740 1900/26096 1800/24490 1700/22588 1600/21045 1500/19534 >> > 1400/18055 1300/16611 1200/15194 >> >> This is the CPU: >> > hw.model: Intel(R) Core(TM) i3-3110M CPU @ 2.40GHz >> >> Thanks in advance for any ideas, >> Nikos > > Try changing the options in /boot/device.hints > hint.acpi_throttle.0.disabled=3D"0" > hint.p4tcc.0.disabled=3D"0" Thanks, those also fixed powerd(8) for me that stopped working after upgrading to stable/10 from releng/10.1. Why are those setting suddenly needed now? -Kimmo