I am having difficulties getting ALSA to work on my Debian sarge
system running the 2.6.3 kernel. I have a ASUS A7N8X motherboard with
the NVIDIA nForce2 chipset. My speakers are hooked up to the "line out"
jack on the motherboard.
xmms works with the Output Plugin set to "OSS Driver 1.2.9", but I get
no sound if it is set to "ALSA 1.2.9 output plugin".
aplay works, but only if I use "-Dplug:front", or "-Dplughw".
$ aplay explosion.wav
Playing WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 22050 Hz,
Stereo
[NO SOUND]
$ aplay -Dfront test.wav
Playing WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 22050 Hz,
Stereo
Warning: rate is not accurate (requested = 22050Hz, got = 48000Hz)
please, try the plug plugin (-Dplug:front)
[SOUND, BUT DISTORTED]
$ aplay -Dplug:front test.wav
Playing WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 22050 Hz,
Stereo
[SOUND!]
$ aplay -Drear explosion.wav
ALSA lib pcm.c:1833:(snd_pcm_open_conf) Invalid type for PCM rear
definition (id: rear, value: cards.pcm.rear)
aplay: main:502: audio open error: Invalid argument
[NO SOUND]
$ aplay -Dplughw test.wav
Playing WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 22050 Hz,
Stereo
[SOUND!]
Any help would be appreciated!
$ uname -a
Linux pixel 2.6.3-1-k7 #2 Tue Feb 24 20:39:50 EST 2004 i686 GNU/Linux
$ dmesg | grep intel8x0
intel8x0_measure_ac97_clock: measured 49228 usecs
intel8x0: clocking to 47417
$ cat /proc/asound/cards
0 [nForce2 ]: NFORCE - NVidia nForce2
NVidia nForce2 at 0xe9000000, irq 21
$ cat /proc/asound/modules
0 snd_intel8x0
$ cat /proc/asound/card0/intel8x0
Intel8x0
Global control : 0x00000002
Global status : 0x00300100
AC'97 codecs ready : primary
$ cat /proc/asound/version
Advanced Linux Sound Architecture Driver Version 1.0.2c (Thu Feb 05
15:41:49 2004 UTC).
Compiled on Feb 21 2004 for kernel 2.6.3-1-k7.
$ lsmod | grep snd
snd_seq_oss 34624 0
snd_seq_midi_event 7936 1 snd_seq_oss
snd_seq 55312 4 snd_seq_oss,snd_seq_midi_event
snd_pcm_oss 53732 0
snd_mixer_oss 19840 2 snd_pcm_oss
snd_intel8x0 34088 2
snd_ac97_codec 62724 1 snd_intel8x0
snd_pcm 100196 2 snd_pcm_oss,snd_intel8x0
snd_timer 25924 2 snd_seq,snd_pcm
gameport 4736 1 snd_intel8x0
snd_page_alloc 12164 2 snd_intel8x0,snd_pcm
snd_mpu401_uart 7872 1 snd_intel8x0
snd_rawmidi 25120 1 snd_mpu401_uart
snd_seq_device 8136 3 snd_seq_oss,snd_seq,snd_rawmidi
snd 55780 13
snd_seq_oss,snd_seq_midi_event,snd_seq,snd_pcm_oss,snd_mixer_oss,snd_intel8x0,snd_ac97_codec,snd_pcm,snd_timer,snd_mpu401_uart,snd_rawmidi,snd_seq_device
soundcore 10272 2 snd
$ amixer sget Line
Simple mixer control 'Line',0
Capabilities: pvolume pswitch pswitch-joined cswitch cswitch-joined
cswitch-exclusive
Capture exclusive group: 0
Playback channels: Front Left - Front Right
Capture channels: Front Left - Front Right
Limits: Playback 0 - 31
Front Left: Playback 29 [94%] [on] Capture [off]
Front Right: Playback 30 [97%] [on] Capture [off]
$ ls -l /dev/audio0 /dev/dsp0 /dev/mixer0
crw-rw---- 1 root audio 14, 4 Jul 26 2003 /dev/audio0
crw-rw---- 1 root audio 14, 3 Jul 26 2003 /dev/dsp0
crw-rw---- 1 root audio 14, 0 Jul 26 2003 /dev/mixer0
$ groups
tom tape audio users
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