From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner+willy=40w.ods.org-S1751232AbWDEMjb@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1751232AbWDEMjb (ORCPT <rfc822;willy@w.ods.org>);
	Wed, 5 Apr 2006 08:39:31 -0400
Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751234AbWDEMjb
	(ORCPT <rfc822;linux-kernel-outgoing>);
	Wed, 5 Apr 2006 08:39:31 -0400
Received: from ns.suse.de ([195.135.220.2]:12191 "EHLO mx1.suse.de")
	by vger.kernel.org with ESMTP id S1751232AbWDEMja (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Wed, 5 Apr 2006 08:39:30 -0400
Date: Wed, 05 Apr 2006 14:39:29 +0200
Message-ID: <s5hslosnqm6.wl%tiwai@suse.de>
From: Takashi Iwai <tiwai@suse.de>
To: Jan Niehusmann <jan@gondor.com>
Cc: Ken Moffat <zarniwhoop@ntlworld.com>, linux-kernel@vger.kernel.org,
       alsa-devel@alsa-project.org
Subject: Re: [Alsa-devel] Slab corruptions & Re: 2.6.17-rc1: Oops in sound applications
In-Reply-To: <20060405121537.GA4807@knautsch.gondor.com>
References: <Pine.LNX.4.63.0604032155220.17605@deepthought.mydomain>
	<20060404133814.GA11741@knautsch.gondor.com>
	<s5hlkul72rv.wl%tiwai@suse.de>
	<20060404190631.GA4895@knautsch.gondor.com>
	<s5h7j656tpp.wl%tiwai@suse.de>
	<20060404231911.GA4862@knautsch.gondor.com>
	<20060405002846.GA5201@knautsch.gondor.com>
	<20060405090117.GB4794@knautsch.gondor.com>
	<s5h1wwcp93l.wl%tiwai@suse.de>
	<20060405121537.GA4807@knautsch.gondor.com>
User-Agent: Wanderlust/2.12.0 (Your Wildest Dreams) SEMI/1.14.6 (Maruoka)
 FLIM/1.14.7 (=?ISO-8859-4?Q?Sanj=F2?=) APEL/10.6 MULE XEmacs/21.5 (beta25)
 (eggplant) (+CVS-20060326) (i386-suse-linux)
MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka")
Content-Type: text/plain; charset=US-ASCII
Sender: linux-kernel-owner@vger.kernel.org
X-Mailing-List: linux-kernel@vger.kernel.org

At Wed, 5 Apr 2006 14:15:38 +0200,
Jan Niehusmann wrote:
> 
> On Wed, Apr 05, 2006 at 01:14:54PM +0200, Takashi Iwai wrote:
> > Try the patch below.  The change in pcm_native.c may be unnecessary,
> > but it's better so.
> > If it works, I'll submit the patches with a proper log.
> 
> The patch (applied to 2.6.17-rc1) does fix the oops, but sound is still
> garbled with twinkle using /dev/dsp. 
> 
> About this garbled sound: I call an echo service on my asterisk server,
> which just echoes back everything I say. Works well using /dev/dsp with
> 2.6.16, but with 2.6.17-rc1, even with the patch applied, I hear no echo
> at all for ~1s. After that, I hear a strongly distorted echo.

Did you have any special setting (e.g. oss proc file)?


Takashi