[ALSA - driver 0001823]: surround40 memory leak

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A NOTE has been added to this issue.
======================================================================
<https://bugtrack.alsa-project.org/alsa-bug/view.php?id=1823> 
======================================================================
Reported By:                darkbrain
Assigned To:                
======================================================================
Project:                    ALSA - driver
Issue ID:                   1823
Category:                   PCI - cs46xx
Reproducibility:            always
Severity:                   major
Priority:                   normal
Status:                     new
Distribution:               
Kernel Version:             
======================================================================
Date Submitted:             02-05-2006 22:59 CET
Last Modified:              07-30-2006 11:52 CEST
======================================================================
Summary:                    surround40 memory leak
Description: 
It seems that surround40 has a memory leak or somthing similar, playing a
game in surround40 mode the game result unplayable after some minutes. 
And there is a problem in CS46xx.conf file, i need to remove the hook on
the rear pcm to permit multiple surround40 subdevices to be opened.
======================================================================

----------------------------------------------------------------------
 Raymond - 07-30-06 03:41 
----------------------------------------------------------------------
Refer to test.state, there are two 'Capture Source Switch' because of two
AC97 codec.

Do all the capture sources connected to one AC97 and the other switch is
dummy ?

Do it allow four channels capture if the capture sources are connected to
two AC97 ?

Can you post the output of amixer ?

You better open another bug report if you want to fix the mixer controls
of cs46xx driver



----------------------------------------------------------------------
 darkbrain - 07-30-06 11:52 
----------------------------------------------------------------------
>How about 'DAC Playback Volume' ? It seem to be the control which change
the >volume of mixer_scb(s) inside DSP.
>Does it control the volume of all the playback channels ?
Yes it does.

>If you want to implement the volume control per PCM stream (subdevice)
like >emu10k1 or ymfpci, you may need to remove this control. 0001318
I know it, but the volume control per PCM stream doesn't want to work,
maybe bitmage2 wants to try that patch and play blinded till he undestand
how scb manage these volumes.

>If there are only 2 pcm_channels left and pcm_multi try to open
surround40 or >surround51, it is possible that pcm_multi and cs46xx driver
is not capable to >recover from this kind of error.
It's possible i'll do some tests.

>I don't know what game darkbrain (bug reporter) is talking about.
Well i'm working on a my implementation of openal
(dino.e4a.it/openal-alsa) and i've an unreleased version that can play
with surrond40(that works with an emu10k1) unfortunally, because of this
problems i can't use it :(

bye,
   DarkBrain

Issue History
Date Modified  Username       Field                    Change              
======================================================================
02-05-06 22:59 darkbrain      New Issue                                    
02-06-06 06:32 Raymond        Note Added: 0007943                          
02-06-06 07:10 Raymond        Note Edited: 0007943                         
02-06-06 07:31 Raymond        Note Edited: 0007943                         
02-06-06 07:32 Raymond        Note Edited: 0007943                         
02-06-06 10:46 darkbrain      Note Added: 0007945                          
02-06-06 10:46 darkbrain      Note Added: 0007946                          
02-06-06 10:47 darkbrain      Note Deleted: 0007946                        
02-06-06 18:37 darkbrain      Note Added: 0007950                          
02-11-06 15:01 darkbrain      Note Added: 0008018                          
02-12-06 05:09 Raymond        Note Added: 0008025                          
02-15-06 06:21 Raymond        Note Added: 0008076                          
02-21-06 07:56 Raymond        Note Added: 0008152                          
03-27-06 04:42 Raymond        Note Added: 0008987                          
06-02-06 09:33 Raymond        Note Deleted: 0008152                        
06-02-06 09:33 Raymond        Note Deleted: 0008987                        
06-02-06 09:34 Raymond        Note Deleted: 0008076                        
07-11-06 13:28 Raymond        Note Added: 0010970                          
07-24-06 21:21 bitmage2       Note Added: 0011215                          
07-24-06 21:25 bitmage2       Note Added: 0011216                          
07-25-06 02:41 Raymond        Note Added: 0011222                          
07-25-06 05:47 Raymond        Note Edited: 0011222                         
07-25-06 10:18 darkbrain      Note Added: 0011224                          
07-25-06 16:03 Raymond        Note Added: 0011228                          
07-25-06 20:29 bitmage2       Note Added: 0011231                          
07-26-06 02:21 Raymond        Note Added: 0011236                          
07-26-06 02:26 Raymond        Note Edited: 0011236                         
07-26-06 02:30 Raymond        Note Edited: 0011236                         
07-26-06 08:34 bitmage2       Note Added: 0011244                          
07-26-06 09:45 Raymond        Note Added: 0011246                          
07-26-06 09:51 Raymond        Note Edited: 0011246                         
07-26-06 09:56 Raymond        Note Edited: 0011246                         
07-26-06 10:04 Raymond        Note Edited: 0011246                         
07-26-06 10:08 Raymond        Note Edited: 0011246                         
07-26-06 10:14 Raymond        Note Edited: 0011246                         
07-26-06 16:26 Raymond        Note Added: 0011249                          
07-26-06 16:28 Raymond        Note Edited: 0011249                         
07-26-06 16:31 Raymond        Note Edited: 0011249                         
07-28-06 05:03 Raymond        Note Added: 0011282                          
07-28-06 10:25 Raymond        Note Edited: 0011282                         
07-29-06 05:13 Raymond        Note Added: 0011298                          
07-29-06 09:06 Raymond        Note Deleted: 0011298                        
07-29-06 12:20 bitmage2       Note Added: 0011299                          
07-29-06 12:23 bitmage2       Note Added: 0011300                          
07-29-06 14:02 Raymond        Note Added: 0011302                          
07-29-06 14:12 Raymond        Note Added: 0011303                          
07-29-06 14:50 bitmage2       Note Added: 0011304                          
07-29-06 14:51 bitmage2       File Added: proc-asound-card0-codec               
    
07-29-06 15:01 bitmage2       Note Added: 0011305                          
07-29-06 15:03 bitmage2       File Added: test.state                       
07-29-06 17:23 Raymond        Note Added: 0011309                          
07-29-06 22:44 bitmage2       Note Added: 0011311                          
07-30-06 03:26 Raymond        Note Added: 0011313                          
07-30-06 03:33 Raymond        Note Added: 0011314                          
07-30-06 03:39 Raymond        Note Edited: 0011314                         
07-30-06 03:41 Raymond        Note Edited: 0011314                         
07-30-06 11:52 darkbrain      Note Added: 0011317                          
======================================================================



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