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Re: sound problem ibook g4



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
mlaks@B1:~$ cat /proc/asound/cards
 0 [Snapper        ]: PMac Snapper - PowerMac Snapper
                      PowerMac Snapper (Dev 38) Sub-frame 0
mlaks@B1:~$ cat /proc/asound/version
Advanced Linux Sound Architecture Driver Version 1.0.24.12.ge9da1.286.ge539e.
Compiled on Apr 24 2011 for kernel 2.6.38-2-powerpc.
mlaks@B1:~$ dpkg -l|egrep "(alsa-|asound)"
ii  alsa-base                                        1.0.23+dfsg-3                     ALSA driver configuration files
ii  alsa-firmware-loaders                            1.0.23-3+b1                       ALSA software loaders for specific hardware
ii  alsa-source                                      1.0.23+dfsg-3                     ALSA driver sources
ii  alsa-utils                                       1.0.23-3                          Utilities for configuring and using ALSA
ii  libasound2                                       1.0.23-2.1                        shared library for ALSA applications
ii  libasound2-plugins                               1.0.23-1+b1                       ALSA library additional plugins
mlaks@B1:~$ aplay -lL
null
    Discard all samples (playback) or generate zero samples (capture)
default:CARD=Snapper
    PowerMac Snapper, PowerMac Snapper
    Default Audio Device
front:CARD=Snapper,DEV=0
    PowerMac Snapper, PowerMac Snapper
    Front speakers
**** List of PLAYBACK Hardware Devices ****
card 0: Snapper [PowerMac Snapper], device 0: PMac Snapper [PowerMac Snapper]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
mlaks@B1:~$ groups
mlaks dialout cdrom floppy audio video plugdev netdev












--- On Thu, 4/28/11, 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: Thursday, April 28, 2011, 2:58 AM
> * m laks [110427 18:03 -0700]:
> 
> > Hi I have been using debian squeeze and now sid 
> on a ibookg g4
> > 1.2Ghz which  i believe is a  late 2004
> machine - 30G harddrive.
> >  
> > Some time ago  (way before squeeze) sound 
> stopped working at all. 
> > 
> > instead I get a scratchy terrible sound that sounds
> like someone
> > blowing air under their tongue while scratching their
> fingernails
> > on glass, whenever I try to listen to a ogg or mp3
> lecture or
> > music. 
> > 
> > When I downloaded a  ubuntu live disk 10.04 sound
> works fine. So
> > it is not a hardware problem.
> 
> A good way of debugging would be to list the snd modules
> Ubuntu
> distro is using. I guess snd-aoa-codec-tas should be
> correct for
> your machine. Could you please send the output of
> 
> $ lsmod | grep snd
> 
> from your Ubuntu distro?
> 
> > 
> > I had the problem for some before squeeze time and was
> running
> > squeeze with this problem too. I tried some random
> things i
> > googled - such as putting snd-powermac in the
> /etc/modules
> > directory as well as putting 
> > 
> 
> Don't put any snd module in /etc/modules and let udev do
> the job.
> 
> > the  following modules to be blacklisted:
> > 
> > snd-aoa
> > snd-aoa-codec-tas
> > snd-aoa-fabric-layout
> > snd-aoa-i2sbus
> > snd-aoa-soundbus
> 
> Don't do that.
> 
> > - 
> > this had no effect. still the same bad sound.
> > 
> > I upgraded to the latest sid kernel 2.6.38-2 from the
> squeeze
> > kernel and no help. I also tried installing the latest
> alsa-driver
> > from the alsa web site and this did not help?
> > 
> > Is there anything that I can do to get this very
> portable nice
> > laptop sound working? It worked fine for the longest
> time...
> 
> Do what I've mentioned above, reboot and post the following
> outputs
> as user:
> 
> $ lsmod | grep snd
> $ cat /proc/asound/cards
> $ cat /proc/asound/version
> $ dpkg -l | egrep "(alsa-|asound)"
> $ aplay -lL
> $ groups
> 
> Elimar
> 
> -- 
>   It's a good thing we don't get all 
>   the government we pay for.
> 
> 
> --
> To UNSUBSCRIBE, email to debian-powerpc-REQUEST@lists.debian.org
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> Archive: 20110428065847.GA3343@samweis.home.lxtec.de">http://lists.debian.org/20110428065847.GA3343@samweis.home.lxtec.de
> 
>


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