linux-kernel - Re: [alsa-devel] Crash 2.6.32.x, Echo 3G, Alsa, SCSI

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Message-ID: <s5heigr8g95.wl%tiwai@suse.de>
Date:	Tue, 01 Jun 2010 07:37:58 +0200
From:	Takashi Iwai <tiwai@...e.de>
To:	Giuliano Pochini <pochini@...ny.it>
Cc:	"F. Heitkamp" <heitkamp@...ritech.net>,
	linux-audio-user@...ts.linuxaudio.org,
	alsa-user@...ts.sourceforge.net,
	Clemens Ladisch <clemens@...isch.de>,
	linux-kernel@...r.kernel.org, alsa-devel@...a-project.org
Subject: Re: [alsa-devel] Crash 2.6.32.x, Echo 3G, Alsa, SCSI

At Mon, 31 May 2010 22:59:36 +0200,
Giuliano Pochini wrote:
> 
> On Mon, 31 May 2010 15:05:08 -0400
> "F. Heitkamp" <heitkamp@...ritech.net> wrote:
> 
> > On 02/02/10 17:09, Giuliano Pochini wrote:
> > > On Tue, 02 Feb 2010 16:30:27 +0100
> > > Clemens Ladisch<clemens@...isch.de>  wrote:
> > >
> > >    
> > >> Frederick V Heitkamp wrote:
> > >>      
> > >>> Repeatable Hard Crash.
> > >>> What else do I need to provide?
> [...]
> > > Signed-off-by: Giuliano Pochini<pochini@...ny.it>
> > >
> > > --- alsa-driver-1.0.22.1/alsa-kernel/pci/echoaudio/echoaudio.c__orig	2010-02-02 22:37:33.000000000 +0100
> > > +++ alsa-driver-1.0.22.1/alsa-kernel/pci/echoaudio/echoaudio.c	2010-02-02 22:44:03.000000000 +0100
> > > @@ -1821,7 +1821,9 @@ static irqreturn_t snd_echo_interrupt(in
> > >   	/* The hardware doesn't tell us which substream caused the irq,
> > >   	thus we have to check all running substreams. */
> > >   	for (ss = 0; ss<  DSP_MAXPIPES; ss++) {
> > > -		if ((substream = chip->substream[ss])) {
> > > +		substream = chip->substream[ss];
> > > +		if (substream&&  ((struct audiopipe *)substream->runtime->
> > > +				private_data)->state == PIPE_STATE_STARTED) {
> > >   			period = pcm_pointer(substream) /
> > >   				substream->runtime->period_size;
> > >   			if (period != chip->last_period[ss]) {
> > >
> > >
> > >    
> > I've tried some newer kernels.  Still having problems with the echo 3G.  
> > This is kernel version:
> > 2.6.32.13.  The above patches posted to the linux kernel list seemed to 
> > get rid of the crashes, but evidently did not go into the main kernel tree.
> 
> Indeed. I've just checked 2.6.33 and the patch isn't there. It's in 2.6.34.
> 
> If you need 2.6.32.13 you can apply the above patch to the kernel tree or
> download ftp://ftp.alsa-project.org/pub/driver/alsa-driver-1.0.23.tar.bz2,
> otherwise just use the latest kernel.

Care to send the patch to stable kernel (with the upstream commit id)?


thanks,

Takashi
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