Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755398Ab0BUKR4 (ORCPT ); Sun, 21 Feb 2010 05:17:56 -0500 Received: from he.sipsolutions.net ([78.46.109.217]:56343 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752144Ab0BUKRz (ORCPT ); Sun, 21 Feb 2010 05:17:55 -0500 Subject: Re: [2.6.33-rc5] Weird deadlock when shutting down From: Johannes Berg To: =?ISO-8859-1?Q?Am=E9rico?= Wang Cc: Linus Torvalds , Benjamin Herrenschmidt , "linux-kernel@vger.kernel.org" , Ingo Molnar , Peter Zijlstra In-Reply-To: <2375c9f91002210151i6fe3f769k72a8a6a3485d8cf5@mail.gmail.com> References: <1264740107.20211.53.camel@pasglop> <1266485775.6539.6.camel@jlt3.sipsolutions.net> <1266518735.3829.4.camel@jlt3.sipsolutions.net> <2375c9f91002192313j3fb84acje4c286c4f86457f3@mail.gmail.com> <1266656213.5347.0.camel@jlt3.sipsolutions.net> <2375c9f91002200106j56b0298ds1a425fde8983d988@mail.gmail.com> <1266665331.12525.0.camel@jlt3.sipsolutions.net> <20100220134447.GA3000@hack> <1266674268.18465.6.camel@jlt3.sipsolutions.net> <2375c9f91002210151i6fe3f769k72a8a6a3485d8cf5@mail.gmail.com> Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-Ylc1HwIbIjBPiIn2nPun" Date: Sun, 21 Feb 2010 11:17:20 +0100 Message-ID: <1266747440.5468.0.camel@jlt3.sipsolutions.net> Mime-Version: 1.0 X-Mailer: Evolution 2.29.3.2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1958 Lines: 55 --=-Ylc1HwIbIjBPiIn2nPun Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Sun, 2010-02-21 at 17:51 +0800, Am=C3=A9rico Wang wrote: > On Sat, Feb 20, 2010 at 9:57 PM, Johannes Berg > wrote: > > On Sat, 2010-02-20 at 21:44 +0800, Am=C3=A9rico Wang wrote: > > > >> That message is displayed before shutting down the devices. > >> > >> To verify, you can add some printk() in the end of > >> __cpufreq_remove_dev(), or enable CONFIG_CPU_FREQ_DEBUG. > > > > That is already enabled. > > >=20 > Ok, I got it. >=20 > Could you test the patch below? Thanks! No change, sorry, still hangs right after "Disabling non-boot CPUs ..." before the machine turns off. johannes --=-Ylc1HwIbIjBPiIn2nPun Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJLgQgtAAoJEODzc/N7+QmatbMQAI9XvCRczZOtSI9SA7ha5fxB /WQQlCIlXGOHgZWmNFKfGE6PblQRLsdRxGy/am5BTGD7ogyt1q4bozdgJYsgX/PM 7S6a9vRu11/Mj2TbqWWkL0P7bLcqjyNNLaEif1ArLitM3yndZZX47xDeY8ThRxKQ j3T49UQx4vkFOTxbGfjGTS0uCNWQYYIXTeZdmxcXnYAwTnJ6S4ZBMh4P3gZCKUKL +12wuNAElwaoGumXJHDze6C5CQFOep9XaNtXWY+9qooTeOziNoLh3KS0KG6Er3L4 DLOLQinG/wDC/jMMjtMVts6jRF0kNuyNJ2PRbBqzJVYx6VS5rlh3Y1vp6d6Grn4V BU3S6MuLqUrbFY3spqdc1CB/YffzKZ/DED6VCpcjxKye9lJscPiM3qSXheqho1Cz 4nS++SofsCOV/3zsovBI7pigDbF6Qj7tojYBxl84di8PsTiZ0PTx+QcnRlpg+HlC gv0JKtpjHh9GE98H6USo4nHGATjCF1SpOdo+6U7OZlaXCd9eh8zrOXMOxbVrxgDI D0f0GNRWkN36LDQycN8LUYN6iKDjHscgJpwz5P7soMFkGfTFdthwGmt35MOvKk8U HTAnp57kVIa2oOFa9cMvhyK59eG+y8Ua1jg5AJ1wLwfQECaaCjgm6erq5ESGgfaF x6z2vl/KwD6pEhUpkZ/l =v0WM -----END PGP SIGNATURE----- --=-Ylc1HwIbIjBPiIn2nPun-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/