From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755430AbcI2QZC (ORCPT ); Thu, 29 Sep 2016 12:25:02 -0400 Received: from mail-oi0-f43.google.com ([209.85.218.43]:36850 "EHLO mail-oi0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755540AbcI2QYd (ORCPT ); Thu, 29 Sep 2016 12:24:33 -0400 Subject: Re: Regression in 4.8 - CPU speed set very low To: Srinivas Pandruvada , "Rafael J. Wysocki" , Zhang Rui References: <5271ed6f-5798-e930-d7fd-17fe6bb7ea96@lwfinger.net> <16590757.26uEfRfeet@vostro.rjw.lan> <1475164576.5547.10.camel@linux.intel.com> Cc: "Rafael J. Wysocki" , Doug Smythies , LKML , Linux PM list From: Larry Finger Message-ID: <67ccf531-8b8a-701f-49a3-faed02e7dabe@lwfinger.net> Date: Thu, 29 Sep 2016 11:24:29 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0 MIME-Version: 1.0 In-Reply-To: <1475164576.5547.10.camel@linux.intel.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/29/2016 10:56 AM, Srinivas Pandruvada wrote: > On Thu, 2016-09-29 at 14:19 +0200, Rafael J. Wysocki wrote: > > [...] > >>> My laptop was inadvertently put to sleep while I was gone. I forgot >>> to leave a >>> note for my wife and she quieted the noisy cpu fan. :) >> It looks like in 4.8-rc we made a change that caused the "high" trip >> point to >> be acted on. > This high trip point we don't expose in thermal subsystem (the thermal > zone dump didn't show this anywhere as a trip). This is exposed by > core-dts driver only. This is the point BIOS is supposed to act, I > guess that's why you are seeing 50% clock modulation. > > > Are you running thermald > > What is? > # ps -e | grep thermald The output is blank. I am not running thermald. Larry