[alsa-devel] function snd_mixer_load failed: Inappropriate ioctl for device
Salatiel Filho
salatiel.filho at gmail.com
Thu Dec 13 01:45:26 CET 2007
*** please let me in the to or cc fields. I am not on the list ***
I am having a big trouble to make sound work on my ARM machine. I am
running debian 4.
# uname -a
Linux LS-GL7D6 2.6.16.57-arm2 #7 Wed Dec 12 18:14:51 BRT 2007
armv5tejl GNU/Linux
# cat /proc/asound/version
Advanced Linux Sound Architecture Driver Version 1.0.15.
Compiled on Dec 12 2007 for kernel 2.6.16.57-arm2.
Modules load successfully
# lsmod
Module Size Used by
snd_pcm_oss 47680 0
snd_mixer_oss 15040 1 snd_pcm_oss
snd_usb_audio 79904 0
snd_pcm 75877 2 snd_pcm_oss,snd_usb_audio
snd_timer 20164 1 snd_pcm
snd_page_alloc 8264 1 snd_pcm
snd_usb_lib 15808 1 snd_usb_audio
snd_rawmidi 21376 1 snd_usb_lib
snd_seq_device 7116 1 snd_rawmidi
snd_hwdep 7460 1 snd_usb_audio
snd 54368 9
snd_pcm_oss,snd_mixer_oss,snd_usb_audio,snd_pcm,snd_timer,snd_usb_lib,snd_rawmidi,snd_seq_device,snd_hwdep
soundcore 7684 1 snd
nfs 102044 0
lockd 61780 1 nfs
sunrpc 142808 3 nfs,lockd
dm_mod 48176 0
usbhid 38628 0
# cat /proc/asound/cards
0 [default ]: USB-Audio - C-Media USB Headphone Set
C-Media USB Headphone Set at
usb-ehci_platform.4523-1, full speed
# cat /proc/asound/version
Advanced Linux Sound Architecture Driver Version 1.0.15.
Compiled on Dec 12 2007 for kernel 2.6.16.57-arm2.
but everytime i try to use alsamixer i get:
# alsamixer
alsamixer: function snd_mixer_load failed: Inappropriate ioctl for device
# aplay test.wav
Playing WAVE 'test.wav' : Unsigned 8 bit, Rate 8000 Hz, Mono
aplay: xrun:1090: read/write error, state = PREPARED
# strace alsamixer
...
stat64("/usr//share/alsa/alsa.conf", {st_mode=S_IFREG|0644,
st_size=8611, ...}) = 0
open("/usr//share/alsa/alsa.conf", O_RDONLY) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=8611, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0x40017000
read(3, "#\n# ALSA library configuration "..., 4096) = 4096
read(3, "r\n\t\t\t\tname defaults.pcm.device\n\t"..., 4096) = 4096
read(3, "{\n\t\t\t at func refer\n\t\t\tname default"..., 4096) = 419
read(3, "", 4096) = 0
read(3, "", 4096) = 0
close(3) = 0
munmap(0x40017000, 4096) = 0
access("/etc/asound.conf", R_OK) = -1 ENOENT (No such file or directory)
access("/root/.asoundrc", R_OK) = -1 ENOENT (No such file or directory)
open("/dev/snd/controlC0", O_RDONLY) = 3
close(3) = 0
open("/dev/snd/controlC0", O_RDWR) = 3
ioctl(3, USBDEVFS_CONTROL, 0xbec2da64) = 0
ioctl(3, UI_DEV_CREATE, 0xbec2db2c) = 0
close(3) = 0
stat64("/usr//share/alsa/alsa.conf", {st_mode=S_IFREG|0644,
st_size=8611, ...}) = 0
open("/dev/snd/controlC0", O_RDONLY) = 3
close(3) = 0
open("/dev/snd/controlC0", O_RDWR) = 3
ioctl(3, USBDEVFS_CONTROL, 0xbec2da44) = 0
fcntl64(3, F_GETFL) = 0x2 (flags O_RDWR)
fcntl64(3, F_SETFL, O_RDWR|O_NONBLOCK) = 0
ioctl(3, USBDEVFS_RELEASEINTERFACE, 0xbec2dac0) = 0
ioctl(3, USBDEVFS_RELEASEINTERFACE, 0xbec2dac0) = 0
ioctl(3, USBDEVFS_CONNECTINFO, 0xbec2d86c) = 0
ioctl(3, USBDEVFS_IOCTL, 0xbec2d42c) = -1 ENOTTY (Inappropriate
ioctl for device)
fstat64(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 2), ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0x40017000
write(1, "\n", 1
) = 1
write(2, "alsamixer: function snd_mixer_lo"..., 74alsamixer: function
snd_mixer_load failed: Inappropriate ioctl for device
) = 74
munmap(0x40017000, 4096) = 0
io_submit(0x2, 0, 0x8 <unfinished ... exit status 2>
any help?
The same card works ok on my x86 machine using . So the problem is not
the card but something else.
--
[]'s
Salatiel
"O maior prazer do inteligente é bancar o idiota
diante de um idiota que banca o inteligente".
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