From mboxrd@z Thu Jan  1 00:00:00 1970
From: Takashi Iwai <tiwai@suse.de>
Subject: Re: ALSA + jack + xrun = kernel crash
Date: Wed, 21 May 2003 13:49:29 +0200
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To: Jaroslav Kysela <perex@suse.cz>
Cc: Pieter Palmers <pieter.palmers@student.kuleuven.ac.be>, Paul Davis <paul@linuxaudiosystems.com>, Arthur Peters <amp@singingwizard.org>, Alsa dev list <alsa-devel@lists.sourceforge.net>
List-Id: alsa-devel@alsa-project.org

At Wed, 21 May 2003 13:35:39 +0200 (CEST),
Jaroslav wrote:
> 
> On Wed, 21 May 2003, Takashi Iwai wrote:
> 
> > At Wed, 21 May 2003 02:32:02 +0200,
> > Pieter Palmers wrote:
> > > 
> > >   Ok, second try:
> > > 
> > > alsa 0.9.3c fresh from CVS
> > >    ---------------------------------------
> > >     /proc/asound/version:
> > >    Advanced Linux Sound Architecture Driver Version 0.9.3c.
> > >    Compiled on May 21 2003 for kernel 2.4.20-LL with versioned symbols.
> > > 
> > >     /proc/asound/cards:
> > >    0 [AudioPCI       ]: ENS1371 - Ensoniq AudioPCI
> > >                         Ensoniq AudioPCI ENS1371 at 0xb000, irq 5
> > > 
> > >    ---------------------------------------
> > 
> > how about this one?  this should fix another deadlock
> > (including the simplified expression of stream lock)
> 
> Takashi, the self_group is designed to avoid mess in the lowlevel drivers. 

which mess do you mean?
as far as i see, only self_group.lock is used in the code.
(so i replaced self_group with a single spinlock.)

> Now, the code is same for both linked and standalone streams. Please, do 
> not remove it.

ok.

meanwhile, i committed my fixes (without the self_group change) to cvs
now.  i hope this is the last fix for this problem...


Takashi


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