Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754962AbcKENUy (ORCPT ); Sat, 5 Nov 2016 09:20:54 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:35940 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754355AbcKENUw (ORCPT ); Sat, 5 Nov 2016 09:20:52 -0400 Date: Sat, 5 Nov 2016 14:20:49 +0100 From: Pavel Machek To: "Pandruvada, Srinivas" Cc: "linux-kernel@vger.kernel.org" , "Zhang, Rui" , "linux-pm@vger.kernel.org" , "platform-driver-x86@vger.kernel.org" , "rjw@rjwysocki.net" , "viresh.kumar@linaro.org" , "ibm-acpi-devel@lists.sourceforge.net" , "ibm-acpi@hmh.eng.br" , "linux-acpi@vger.kernel.org" Subject: Re: v4.8-rc1: thinkpad x60: running at low frequency even during kernel build Message-ID: <20161105132049.GC10310@amd> References: <20161104083849.GA32688@amd> <20161104085830.GA4089@amd> <1478268311.26953.17.camel@intel.com> <20161104204439.GA2581@amd> <20161104221600.GA7007@amd> <1478301649.7947.3.camel@intel.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="5QAgd0e35j3NYeGe" Content-Disposition: inline In-Reply-To: <1478301649.7947.3.camel@intel.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1398 Lines: 54 --5QAgd0e35j3NYeGe Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri 2016-11-04 23:20:53, Pandruvada, Srinivas wrote: > On Fri, 2016-11-04 at 23:16 +0100, Pavel Machek wrote: > > Hi! > >=20 >=20 > [...] >=20 > > So we seem to have thermal or ACPI regression in v4.9-rc3. > >=20 > It is possible. Can you add either add printk > in=A0acpi_processor_ppc_has_changed() or use ftrace and see do you get to > these functions >=20 > acpi_processor_ppc_init() > acpi_processor_ppc_has_changed() > acpi_processor_ppc_notifier() >=20 > ? Ok, can do, let me recompile and reboot. > When temperature limit is reached=A0acpi_processor_ppc_notifier() should > be called. No, that's not correct for ACPI passive trip points, is it? If I recall correctly, those should be monitored even when temperature is below them so that it does not reach them...? Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --5QAgd0e35j3NYeGe Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAlgd3LEACgkQMOfwapXb+vIQhgCfWsJumT+4zEoAZpcdI7bIEdwA PsQAoJZu81tRhyIYKl5AINajKtZCuiAK =bOP1 -----END PGP SIGNATURE----- --5QAgd0e35j3NYeGe--