I post this here because I _want_ to contribute to alsa development,
but I never can get alsa working to even begin. And no, I'm not a
moron (I hope). Here is what I did:
1. I got the 2003-06-29.tar file, and I was pleased and suprised when
it compiled without errors (except alsa-tools, but that looks
unimportant).
2. I ran alsa-driver/snddevices.
3. I loaded the modules: lsmod |grep snd
snd-intel8x0 17888 0
snd-mpu401-uart 3584 0 [snd-intel8x0]
snd-rawmidi 14304 0 [snd-mpu401-uart]
snd-seq 41580 0 (unused)
snd-seq-device 4212 0 [snd-rawmidi snd-seq]
snd-ac97-codec 36368 0 [snd-intel8x0]
snd-pcm 66080 0 [snd-intel8x0]
snd-page-alloc 6116 0 [snd-intel8x0 snd-pcm]
snd-hwdep 5280 0
snd-timer 16448 0 [snd-seq snd-pcm]
snd 35424 0 [snd-intel8x0 snd-mpu401-uart snd-rawmidi snd-seq
snd-seq-device snd-ac97-codec snd-pcm snd-hwdep snd-timer]
4. Installed alsa-lib into /usr/local.
5. Ran 'aplay -D hw:0,0 alone.wav', this produces:
ALSA lib pcm_hw.c:1055:(snd_pcm_hw_open) open /dev/snd/pcmC0D0p failed: Invalid
argument
aplay: main:484: audio open error: Invalid argument
What am I doing wrong? Thanks,
Richard
Other diagnostics:
ls -l /dev/snd/pcmC0D0p
crw-rw---- 1 root audio 116, 16 Jul 5 07:34 /dev/snd/pcmC0D0p
tail syslog
Jul 10 20:10:59 muse kernel: PCI: Enabling device 00:1f.5 (0000 -> 0001)
Jul 10 20:10:59 muse kernel: PCI: Setting latency timer of device 00:1f.5 to 64
Jul 10 20:10:59 muse kernel: intel8x0: clocking to 48000
Jul 10 20:11:36 muse kernel: ALSA pcm_native.c:1789: BUG? (err >= 0) (called from
d8922afa)
Jul 10 20:11:36 muse kernel: ALSA pcm_native.c:1923: snd_pcm_hw_constraints_complete
failed
cat /proc/asound/cards
0 [I82801CAICH3 ]: ICH - Intel 82801CA-ICH3
Intel 82801CA-ICH3 at 0x1c00, irq 9
cat /proc/asound/pcm
00-00: Intel ICH : Intel 82801CA-ICH3 : playback 1 : capture 1
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