I'm having lots of problems trying to get alsa to work VIA VT8235 SB.
I've tried alsa-driver-0.9.0_rc6, alsa-driver-0.9.0_rc8, and yesterdays
cvs snapshot.
At first I was getting this error, when I tried using aplay to play a
.wav file:
ALSA lib pcm_hw.c:481:(snd_pcm_hw_drain) SNDRV_PCM_IOCTL_DRAIN failed:
Input/output error
When I pass acpi=off pci=biosirq on the kernel line in grub.conf, alsa
doesn't give me any errors when I use aplay, but I still don't get any
sound.
I have unmuted the mixer and alsamixer correctly identifies my chipset.
I compiled my kernel with "Sound card support" as a module and no other
sound drivers.
I'm using devfs,and /dev/dsp is not being created and /dev/sound/ is
empty.
Here's some more info:
# cat /proc/pci
Bus 0, device 17, function 5:
Multimedia audio controller: VIA Technologies, Inc. VT8233 AC97
Audio Controller (rev 80).
IRQ 11.
I/O at 0xe800 [0xe8ff].
# lsmod
Module Size Used by Not tainted
ext2 31584 1 (autoclean)
snd-via82xx 9196 0
snd-pcm 63904 0 [snd-via82xx]
snd-timer 11944 0 [snd-pcm]
snd-mpu401-uart 3520 0 [snd-via82xx]
snd-rawmidi 14848 0 [snd-mpu401-uart]
snd-seq-device 4348 0 [snd-rawmidi]
snd-ac97-codec 30724 0 [snd-via82xx]
snd 28748 0 [snd-via82xx snd-pcm snd-timer
snd-mpu401-uart snd-rawmidi snd-seq-device snd-ac97-codec]
soundcore 3524 0 [snd]
/etc/modules.d/alsa
# ALSA portion
alias char-major-116 snd
# OSS/Free portion
alias char-major-14 soundcore
## ALSA portion
alias snd-card-0 snd-via82xx
# OSS/Free portion - card #1
alias sound-service-0-0 snd-mixer-oss
alias sound-service-0-1 snd-seq-oss
alias sound-service-0-3 snd-pcm-oss
alias sound-service-0-8 snd-seq-oss
alias sound-service-0-12 snd-pcm-oss
alias /dev/mixer snd-mixer-oss
alias /dev/dsp snd-pcm-oss
alias /dev/midi snd-seq-oss
# Set this to the correct number of cards.
options snd cards_limit=1
/etc/devfsd.conf
# ALSA/OSS stuff
# Comment/change these if you want to change the permissions on
# the audio devices
LOOKUP snd MODLOAD ACTION snd
LOOKUP dsp MODLOAD
LOOKUP mixer MODLOAD
LOOKUP midi MODLOAD
REGISTER sound/.* PERMISSIONS root.audio 660
REGISTER snd/.* PERMISSIONS root.audio 660
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