From owner-freebsd-acpi@FreeBSD.ORG Wed Nov 13 18:33:33 2013 Return-Path: Delivered-To: freebsd-acpi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 4AA84F19 for ; Wed, 13 Nov 2013 18:33:33 +0000 (UTC) Received: from nm6.bullet.mail.bf1.yahoo.com (nm6.bullet.mail.bf1.yahoo.com [98.139.212.165]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 66D5D2642 for ; Wed, 13 Nov 2013 18:33:32 +0000 (UTC) Received: from [66.196.81.170] by nm6.bullet.mail.bf1.yahoo.com with NNFMP; 13 Nov 2013 18:33:25 -0000 Received: from [98.139.211.199] by tm16.bullet.mail.bf1.yahoo.com with NNFMP; 13 Nov 2013 18:33:25 -0000 Received: from [127.0.0.1] by smtp208.mail.bf1.yahoo.com with NNFMP; 13 Nov 2013 18:33:25 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1384367605; bh=vqhwsoPXbDwKlQujyq+kpZT9ExeBmA8H07MlJ9tI3L0=; h=X-Yahoo-Newman-Id:X-Yahoo-Newman-Property:X-YMail-OSG:X-Yahoo-SMTP:X-Rocket-Received:Subject:From:Reply-To:To:Cc:In-Reply-To:References:Content-Type:Date:Message-ID:Mime-Version:X-Mailer; b=jPJE8tEEqpfe2NvrhJzW7nDXZjXDvsoSmCMdHJaEybjcPACG4CO1Puzo50Yxy66HX00n2wdPcZBKuE4jSL3lRhx4J0e0bcA27UJXAJ9H0h9J7oNSh9K7cOUnR/2MD44Ld8oYMBq3enQK8ROSDkPCzJjbMZvxV4CjjaCgZclNKYA= X-Yahoo-Newman-Id: 558669.55594.bm@smtp208.mail.bf1.yahoo.com X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: n9kJ8P0VM1kWv2kg6ntQ3mOiuOrmFM_MI41A4Pgf7XYb4.x o.nZtkZ8m33EKisQMO29_lIDpqkqbw40379NwnRqG.6Ixv3d9L400OfvkWs1 RRnkUF1eCgpvraAnTpSraoLZQa5jh4qkAPyo456XbUA8XJ1ZZ.vKWIXvwJqr ef13W.VeIhvaeXy_TH.ZysA6d_ne9RgP_tBpeYrWzf0j5yk3jZd9TJ0tAUPg ubQcUhns6bcyapJsfKOFe.4oNo.0n0YjsEcBLmTNE.CyPGegYOmgtqs5oVFt 7UpIOCkZ.Tzt9MKkNeE2XUJR7Nu4wOJk2OJ7fGdXHZ5WY8kAMJTgiFoHnksE ZY9THn31lcUqojoBIDFJnCQpSBiUxF7GszflUnNUJBbFmJxCW5hxsM6AODNU lf60Ad5N.Qu.G0upS5CX7kHekMEpw_DLLU0dwU4zlJsRXGxSUozj.iZPuPfW E0nszqWWEiW5nZL1gW9WVxg0T_SApGXs58VaO.Om8QLaVW7W29Kk9tZ_.4Oj wXIp_xR6K1KFBjAYmlhPUT2YErWQlpXQs7f9d8Lqfy4B5zNtu8ZXLLw-- X-Yahoo-SMTP: u5BKR6OswBC_iZJVfGRoMkTIpc8pEA4- X-Rocket-Received: from [192.168.100.228] (sean_bruno@24.23.220.111 with ) by smtp208.mail.bf1.yahoo.com with SMTP; 13 Nov 2013 10:33:25 -0800 PST Subject: Re: Problems with amd FX 8 core and freq scaling From: Sean Bruno To: Jung-uk Kim In-Reply-To: <52815060.9050406@FreeBSD.org> References: <5281358D.1010406@FreeBSD.org> <5281374F.7080802@FreeBSD.org> <52814CB2.6050204@FreeBSD.org> <52815060.9050406@FreeBSD.org> Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-z8O+z5GG8LCmkLGO1Kwu" Date: Wed, 13 Nov 2013 10:33:23 -0800 Message-ID: <1384367603.98053.0.camel@powernoodle.corp.yahoo.com> Mime-Version: 1.0 X-Mailer: Evolution 2.32.1 FreeBSD GNOME Team Port Cc: freebsd-acpi X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.16 Precedence: list Reply-To: sbruno@freebsd.org List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Nov 2013 18:33:33 -0000 --=-z8O+z5GG8LCmkLGO1Kwu Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable On Mon, 2013-11-11 at 16:47 -0500, Jung-uk Kim wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 >=20 > On 2013-11-11 16:31:30 -0500, Jung-uk Kim wrote: > > On 2013-11-11 15:26:58 -0500, Adrian Chadd wrote: > >> On 11 November 2013 12:00, Jung-uk Kim wrote: > >>> -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 > >>>=20 > >>> On 2013-11-11 13:16:47 -0500, Nicholas McKenzie wrote: > >>>> But wouldn't this just disable frequency scaling and the > >>>> whole point of powerd? > >>>=20 > >>> No. acpi_throttle (and p4tcc) controls T-state. "Frequency=20 > >>> scaling" should be done by changing P-state. > >=20 > >> Right. > >=20 > >> IIRC, T-state is just for emergency temperature throttling. It=20 > >> shouldn't be used outside of that. > >=20 > >=20 > >>>>> There have been a number of reports of throttling causing=20 > >>>>> crashes. This setting does not prevent powerd from > >>>>> adjusting your CPU's clock, it just disables some arcane > >>>>> feature which pre-dates the modern power management > >>>>> methods. > >=20 > >> .. did anyone ever figure out why crashes would be caused by=20 > >> T-state adjustment? > >=20 > > My memory is vague but I think it was not able to reject a broken > > FADT or _PTC table, or something like that. >=20 > Just in case, here I attached the uncommitted (and untested) patch. >=20 > Jung-uk Kim > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v2.0.22 (FreeBSD) >=20 > iQEcBAEBAgAGBQJSgVBgAAoJEHyflib82/FGACsIAJGDQGOYYO8dxvtQMw4BBnzl > BNbFkvalvHOzaSezJz+A4R0zeIMvkfJtu0Gb8qiTkxJF+REREFo6a7lmzC7hOMwa > 7PzRRRG34rtmnnHJro3Wc5qQwc1zBbmyFgYEJ45AkmIc62mpp9f0sZyNA1+aSpau > 2sY6H0dXktapc2pLR1uNyxfUlr1tRhoabceGSlGLYiB583FrMsvASkaTnuWQ2IfI > gytrJBKjMihu60KlwKauzUOVDrEuN3J/B1y7V/TrTXmcFmWgL9Wdw/gC7ToRdloT > JdF812Duj/xYvyoNEwkz1Rm0NT5r1ZTYqwMvkOPuMfK7IWX0O9UFO8VG+QnJXhU=3D > =3D/d/E > -----END PGP SIGNATURE----- > _______________________________________________ > freebsd-acpi@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-acpi > To unsubscribe, send any mail to "freebsd-acpi-unsubscribe@freebsd.org" Up and running this patch now on my FX-8150. Anything interesting that I should gather report? sean --=-z8O+z5GG8LCmkLGO1Kwu Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.15 (FreeBSD) iQEcBAABAgAGBQJSg8XsAAoJEBkJRdwI6BaHYV0H/R0NCo8t6MFFWSi8dTWFoTnN cDN6BEmE3BFhBc3nDPUuhitm1xwivPU68x+g+UBnSbcdDCmBk2K2zwpfTZREk2gI elc7boh3Z4WA0qA0M6M+9OnICe35jEDX+rtmSmfJM0xFLRu2b76ZV8WfYq20EMHn n0Nd7ssLgoPIcuPCiqsy8FZwo0ioB4MIqBu8bL8R3VdRotJDTWpqEektxmFz9ndI cYoMLjmSOVEfXK20Rn4mTwNXZ0jHOi9zWAHnG/IAWU2ZnBpCQ/YW/iRrJ6TNhkaC bIcLZ6Xwy+Blvp7CMwHfuvXA5TUncNM6YgzpsNK8VBW4Jsb/NkNzBYP/AU6ecCg= =sdhd -----END PGP SIGNATURE----- --=-z8O+z5GG8LCmkLGO1Kwu--