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Re: sound problem ibook g4



I have been having this same trouble of no working sound for months. 

So recently, after installing the latest kernel from sid and seeing no benefit, I thought based upon web posting of other people that the problem was the older released alsa drivers. So I went directly to the alsa web site and installed the latest alsa-drivers. It has had no effect. same sound output on the installed debian. Thus I don't think that we can attribute the problem to the new alsa drivers which are newer than the sid alsa version.
 
I did what you said to do. rmmod the snd-powermac and did the install of the kernel you asked for. Now I get the following:

snd_aoa_codec_tas      13459  0 
snd_aoa                15648  1 snd_aoa_codec_tas
snd_aoa_i2sbus         20887  0 
snd_pcm_oss            44965  0 
snd_mixer_oss          19254  1 snd_pcm_oss
snd_pcm                68590  2 snd_aoa_i2sbus,snd_pcm_oss
snd_page_alloc          9121  1 snd_pcm
snd_seq_dummy           4759  0 
snd_seq_oss            33902  0 
snd_seq_midi            8352  0 
snd_rawmidi            22252  1 snd_seq_midi
snd_seq_midi_event      7904  2 snd_seq_oss,snd_seq_midi
snd_seq                53422  6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_timer              21631  2 snd_pcm,snd_seq
snd_seq_device          8861  5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
snd                    55632  13 snd_aoa_codec_tas,snd_aoa,snd_aoa_i2sbus,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
soundcore               8067  1 snd
snd_aoa_soundbus        6701  1 snd_aoa_i2sbus


however now when i try to play an mp3 file:
 mlaks@B1:~$ mpg321 my-singing.mp3 
High Performance MPEG 1.0/2.0/2.5 Audio Player for Layer 1, 2, and 3.
Version 0.2.12-1 (2010/07/01). Written and copyrights by Joe Drew,
now maintained by Nanakos Chrysostomos and others.
Uses code from various people. See 'README' for more!
THIS SOFTWARE COMES WITH ABSOLUTELY NO WARRANTY! USE AT YOUR OWN RISK!
Title	: mysinging           Artist : me      
Album	: stuff                        Year	 : 1994
Comment : This and thousands more  Genre :                               

Playing MPEG stream from my-singing.mp3 ...
MPEG 2.0 layer III, 64 kbit/s, 22050 Hz mono
ALSA lib confmisc.c:768:(parse_card) cannot find card '0'
ALSA lib conf.c:4170:(_snd_config_evaluate) function snd_func_card_driver returned error: No such file or directory
ALSA lib confmisc.c:392:(snd_func_concat) error evaluating strings
ALSA lib conf.c:4170:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory
ALSA lib confmisc.c:1251:(snd_func_refer) error evaluating name
ALSA lib conf.c:4170:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
ALSA lib conf.c:4649:(snd_config_expand) Evaluate error: No such file or directory
ALSA lib pcm.c:2190:(snd_pcm_open_noupdate) Unknown PCM default
Can't find a suitable libao driver. (Is device in use?)

--- On Fri, 4/29/11, Elimar Riesebieter <riesebie@lxtec.de> wrote:

> From: Elimar Riesebieter <riesebie@lxtec.de>
> Subject: Re: sound problem ibook g4
> To: debian-powerpc@lists.debian.org
> Date: Friday, April 29, 2011, 4:55 AM
> * m laks [110428 20:34 -0700]:
> > 
> > mlaks@B1:~$ uname -a
> > Linux B1 2.6.38-2-powerpc #1 Sat Apr 23 19:45:44 UTC
> 2011 ppc GNU/Linux
> > 
> > here is the output on the laptop when booted into
> debian
> > 
> > mlaks@B1:~$ lsmod |grep snd
> > snd_aoa_i2sbus     
>    20887  0 
> > snd_powermac       
>    58851  0 
> > snd_pcm_oss           
> 44965  0 
> > snd_mixer_oss         
> 19254  1 snd_pcm_oss
> > snd_pcm           
>     68590  3
> snd_aoa_i2sbus,snd_powermac,snd_pcm_oss
> > snd_page_alloc         
> 9121  1 snd_pcm
> > snd_seq_dummy       
>    4759  0 
> > snd_seq_oss           
> 33902  0 
> > snd_seq_midi           
> 8352  0 
> > snd_rawmidi           
> 22252  1 snd_seq_midi
> > snd_seq_midi_event      7904  2
> snd_seq_oss,snd_seq_midi
> > snd_seq           
>     53422  6
> snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
> > snd_timer           
>   21631  2 snd_pcm,snd_seq
> > snd_seq_device         
> 8861  5
> snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
> > snd             
>       55632  12
> snd_aoa_i2sbus,snd_powermac,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
> > soundcore           
>    8067  1 snd
> > snd_aoa_soundbus        6701 
> 1 snd_aoa_i2sbus
> 
> This is contradictory. A mix of snd-poermac and snd-aoa.
> Try
> 
> # rmmod snd-powerma
> # modprobe -v snd-aoa
> # modprobe snd-aoa-codec-tas
> 
> lsmod | grep snd which sholuld look similar to:
> snd_aoa_codec_tas      13216  2 
> snd_aoa_fabric_layout    12392  0
> snd_aoa             
>   17472  2
> snd_aoa_codec_tas,snd_aoa_fabric_layout
> snd_aoa_i2sbus     
>    21540  1 
> snd_pcm_oss           
> 47968  0
> snd_mixer_oss          19008 
> 1 snd_pcm_oss
> snd_pcm             
>   85508  2 snd_aoa_i2sbus,snd_pcm_oss
> snd_timer             
> 22564  1 snd_pcm
> snd_page_alloc          9352 
> 1 snd_pcm
> snd               
>     62036  8
> +snd_aoa_codec_tas,snd_aoa_fabric_layout,snd_aoa,snd_aoa_i2sbus,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer
> soundcore           
>    6948  1 snd
> snd_aoa_soundbus        6148  2
> snd_aoa_fabric_layout,snd_aoa_i2sbus
> 
> 
> > mlaks@B1:~$ cat /proc/asound/cards
> >  0 [Snapper        ]: PMac
> Snapper - PowerMac Snapper
> >               
>        PowerMac Snapper (Dev 38)
> Sub-frame 0
> 
> snd_powermac is used for AWACS, DACA, Burgundi, Tumbler,
> Keywest. Do
> you have instructions to load snd-powermac in /etc/modules
> or
> /etc/modprobe.d?
> 
> A look into the alsa sources gives me:
> snd-powermac is used to run on:
>                
>    AWACS, DACA, Burgundy, Tumbler, Keywest
> snd_aoa_codec_onyx is used to run on:
>                
>    latest (last) generation of Apple PPC
> snd_aoa_codec_tas is uded to run on:
>                
>    iBooks and PowerBooks without digital
> snd_aoa_codec_toonie is used to run on:
>                
>    Mac Mini
> 
> 
> > mlaks@B1:~$ cat /proc/asound/version
> > Advanced Linux Sound Architecture Driver Version
> 1.0.24.12.ge9da1.286.ge539e.
> 
> Uuups. This doesn't look like a Debian version. AFAIK
> 2.6.38
> provides 1.0.23? Did you compiled the drivers by youself?
> 
> Elimar
> 
> -- 
>     .~.
>    
> /V\   L   I   N   U   X
>    /( )\ >Phear the Penguin<
>    ^^-^^
> 
> 
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> 
>


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