Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756237AbZLYQoL (ORCPT ); Fri, 25 Dec 2009 11:44:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755693AbZLYQoK (ORCPT ); Fri, 25 Dec 2009 11:44:10 -0500 Received: from mail-ew0-f219.google.com ([209.85.219.219]:45849 "EHLO mail-ew0-f219.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755570AbZLYQoJ convert rfc822-to-8bit (ORCPT ); Fri, 25 Dec 2009 11:44:09 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=rw7VwIv0MI9SICjdf0LamNBzi8A1xgqQrR3WJe2OUO1rkAIBoubewRMBmmbRKQLw5q ZD7OIPpGMKCsvcI7lOYLPRD55JKn8s3gq7ewWwSxFuwkwJWj2L8c31hN6OLcwvjk1crT 9uv/JVZr1aA1gCs6o422zt3IZZx5U9oOU/Gl8= MIME-Version: 1.0 In-Reply-To: References: <20091225122107.357d7102@mosly> <20091225162528.5dbbbea0@mosly> <8db1092f0912250731u46637a55lccb77e6cdb376a57@mail.gmail.com> Date: Fri, 25 Dec 2009 17:44:06 +0100 Message-ID: <8db1092f0912250844p16d20209ib07f54f521bdb252@mail.gmail.com> Subject: Re: intel hda regression: 2.6.33-rc{1,2}: hd-audio0 eats 25% CPU (according to top) From: Maciej Rutecki To: Takashi Iwai Cc: Sergei Trofimovich , linux-kernel@vger.kernel.org, =?UTF-8?Q?=C3=89ric_Piel?= Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 833 Lines: 28 2009/12/25 Takashi Iwai : > > OK, thanks for quick tests. > > It's a bit surprising that this resulted in the high CPU usage > instead of erroneous behavior.  This should be rather a bug of > codec chip... > > Anyway, Segei, which codec is on your machine?  Is it Analog Device > one? > IIRC, the one's on Maciej and Eric machines are AD codecs. > If so, we can just revert the changes to patch_analog.c in that > commit. > So all we have hp notebook and AD codecs? Maybe You are right, that is bug in codec chip. Regards -- Maciej Rutecki http://www.maciek.unixy.pl -- 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/