Hi.
I'm having weird problems with the ALSA drivers. I'm Running linux-2.5.5 with
beta11 drivers for an ISA SB AWE32 (isapnp support).
First, I only got repeating noise (random clicks and stuff) which implied an
IRQ problem as well as the more obvious erronous data problem..
Then, after doing non-alsa-related things for a while(*), it suddenly went
silent. I played around with amixer and *cheer* the sound worked.. Then I
unloaded the modules and tried to modprobe them again, which resulted in the
"silent mode" again. No matter what I do with amixer, there's no sound at
all...
((*) I unplugged my USB mouse and plugged in an old serial mouse as I had to
send it away for replacement as it's got cable-problems.)
Now, after reading a bit on the archives of this list, I saw something about
USB interfering with ALSA, so I unloaded the USB modules, and now I get white
noise instead of silence...
Any ideas? (This is the first time I've tried my hand on ALSA, so don't assume
I know anything about alsa.. I do have reasonable experience with linux in
general though...)
Following is some info on my setup. If you need to know more, don't hesitate
to post... :)
Thank you in advance,
Christer Kaivo-oja
***** From /etc/modules.conf
# ALSA Stuff
alias char-major-116 snd
alias snd-card-0 snd-sbawe
options snd-sbawe snd_index=0 snd_id="SBAWE" snd_isapnp=1
#OSS/Free
alias char-major-14 soundcore
***** /proc/asound info
# cat /proc/asound/cards
0 [SBAWE ]: SB AWE - Sound Blaster 16
Sound Blaster 16 at 0x220, irq 5, dma 1&5
# cat /proc/asound/pcm
00-00: SB16 DSP : DSP v4.16 : playback 1 : capture 1
# cat /proc/asound/sndstat
Sound Driver:3.8.1a-980706 (ALSA v0.9.0beta11 emulation code)
Kernel: Linux trollcave 2.5.5 #1 Mon Feb 25 05:26:47 CET 2002 i686
Config options: 0
Installed drivers:
Type 10: ALSA emulation
Card config:
Sound Blaster 16 at 0x220, irq 5, dma 1&5
Audio devices:
0: DSP v4.16 (DUPLEX)
Synth devices:
0: OPL3 FM
Midi devices:
0: MPU-401 (UART)
Timers:
7: system timer
Mixers:
0: mixer00
# cat /proc/asound/devices
0: [0- 0]: ctl
4: [0- 0]: hardware dependent
8: [0- 0]: raw midi
16: [0- 0]: digital audio playback
24: [0- 0]: digital audio capture
33: : timer
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