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ALSA Sound Problems on 15" Powerbook Al
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newLux
n00b
n00b


Joined: 13 Sep 2003
Posts: 15
Location: Abilene, Texas

PostPosted: Tue Nov 09, 2004 11:41 pm    Post subject: ALSA Sound Problems on 15" Powerbook Al Reply with quote

Ok, I have been searching for about three weeks now attempting to get my sound to work. After such a long time, I have finally been able to get the sound to work via the command line. I can hear a very low volume "dink" when I hit tab and mpg123 plays mp3s that I have, but again at a very low volume. I have tried emerging aumix to change the volume, but I keep getting an error:
Code:

~: aumix -v +3
 aumix:  SOUND_MIXER_READ_DEVMASK

I have also tried to set it up to work in kde, but with no luck, I keep getting errors saying that arts did not load correctly and asking me if I want to try again or if I want to disable arts. It also appears says that /dev/sound/dsp is not there, but there is something there (I am not sure if it is the correct type of file or not, but it seems to be). Kmix has no mixers listed, and I can't for the life of me figure out how to add one. I used the HOWTO sticky that has been up to configure my sound and it seems to work for everyone else, but I think there might be something missing that I do not know about. I would really appreciate it if someone could help, and it would be great to see a step by step guide plus a troubleshooter for this, as I have seen many other people with similar problems. One good comment though, KDE no longer crashes when I try to change the sound options, great job on 3.3.1 :). All of your comments are appreciated, thank you!

System Specs:
1.25 GHz G4 15" PowerBook with 512 RAM running Gentoo Kernel-2.6.7. ALSA and OSS are compiled into the kernel and appear as options under the hardware tab of the control center in KDE 3.3.1.

EDIT: Random side-note, does anyone know how to change the keyboard layout in fluxbox/blackbox/fvwm. My layout works in kde, works on the command line, but it seems to get things wrong if I use a different window manager. Thanks!
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gnomeza
Tux's lil' helper
Tux's lil' helper


Joined: 31 Dec 2003
Posts: 97

PostPosted: Wed Nov 10, 2004 11:06 am    Post subject: Reply with quote

Some info from my setup on PB 15" 1.25GHz Alubook. linux-2.6.9-rc3:
Check that alsamixer / amixer have sane settings.
Especially "DRC Range" which was dampening all my sound.
My output from amixer is on the webpage in my sig, along with my current kernel .config

Major, minor numbers:
Code:

116,  0  /dev/snd/controlC0
116, 24 /dev/snd/pcmC0D0c
116, 16 /dev/snd/pcmC0D0p
116, 1 /dev/snd/seq
116, 33 /dev/snd/timer

14, 4 /dev/sound/audio
14, 3 /dev/sound/dsp
14, 0 /dev/sound/mixer
14, 1 /dev/sound/sequencer
14, 8 /dev/sound/sequencer2


lsmod:
Code:

snd_powermac
snd_seq_oss
snd_seq_midi_event
snd_seq
snd_seq_device
snd_pcm_oss
snd_pcm
snd_timer
snd_page_alloc
snd_mixer_oss
snd
soundcore


.config:
Code:

CONFIG_SND=m
CONFIG_SND_TIMER=m
CONFIG_SND_PCM=m
CONFIG_SND_RAWMIDI=m
CONFIG_SND_SEQUENCER=m
CONFIG_SND_SEQ_DUMMY=m
CONFIG_SND_OSSEMUL=m
CONFIG_SND_MIXER_OSS=m
CONFIG_SND_PCM_OSS=m
CONFIG_SND_SEQUENCER_OSS=y
CONFIG_SND_POWERMAC=m
CONFIG_SND_USB_AUDIO=m
CONFIG_SOUND=m


Quote:
does anyone know how to change the keyboard layout in fluxbox/blackbox/fvwm


Perhaps your xkb settings in /etc/X11/xorg.conf (or XF86Config-4)?

Code:

Section "InputDevice"
    Identifier "Powerbook Keyboard"
    Driver "kbd"
    Option "XkbModel"        "pc105"
    Option "XkbLayout"        "us"
EndSection


Hope some of this helps...
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