I just set up an M-Audio MobilePre USB audio device, it went quite painlessly... except for the fact that alsamixer returns

function snd_ctl_open failed for default: No such device"

and the lack of controls I have in kmix. What am I missing? In kmix, I have 2 options in the "Current mixer" tab, both called "USB Audio Class Driver". One has Volume, PCM, and Line, and the other just has Line (it's a 2 channel pre amp. Oh, and I can't play cd's either...

Have you run 'alsaconf' (as root)?

Best,
Ott

Yes, but it says no supported pnp or pci cards, and no ISA.
This is what dmesg spits out:

Advanced Linux Sound Architecture Driver Version 1.0.9b (Thu Jul 28 12:20:13 2005 UTC).
ALSA device list:
No soundcards found.

...and later on...


usbaudio: device 2 audiocontrol interface 0 has 1 input and 1 output AudioStreaming interfaces
usbaudio: valid input sample rate 8000
usbaudio: valid input sample rate 48000
usbaudio: valid input sample rate 44100
usbaudio: valid input sample rate 32000
usbaudio: valid input sample rate 24000
usbaudio: valid input sample rate 22050
usbaudio: valid input sample rate 16000
usbaudio: valid input sample rate 12000
usbaudio: valid input sample rate 11025
usbaudio: valid input sample rate 9600
usbaudio: device 2 interface 2 altsetting 1: format 0x80000010 sratelo 8000 sratehi 48000 attributes 0x01
usbaudio: valid output sample rate 8000
usbaudio: valid output sample rate 48000
usbaudio: valid output sample rate 44100
usbaudio: valid output sample rate 32000
usbaudio: valid output sample rate 24000
usbaudio: valid output sample rate 22050
usbaudio: valid output sample rate 16000
usbaudio: valid output sample rate 12000
usbaudio: valid output sample rate 11025
usbaudio: valid output sample rate 9600
usbaudio: device 2 interface 1 altsetting 1: format 0x80000010 sratelo 8000 sratehi 48000 attributes 0x01
usbaudio: registered dsp 14,3
usbaudio: constructing mixer for Terminal 5 type 0x0101
usbaudio: registered mixer 14,0
usbaudio: constructing mixer for Terminal 3 type 0x0301
usbaudio: registered mixer 14,16
usb_audio_parsecontrol: usb_audio_state at eeaf6380
usbcore: registered new driver audio
drivers/usb/class/audio.c: v1.0.0:USB Audio Class driver
kobject_register failed for snd (-17)
[<b038f140>] kobject_register+0x67/0x75
[<b0136f6b>] mod_sysfs_setup+0x50/0xb6
[<b0138398>] load_module+0xaa7/0xbcf
[<b013855f>] sys_init_module+0x7c/0x223
[<b0102e75>] syscall_call+0x7/0xb
kobject_register failed for snd_timer (-17)
[<b038f140>] kobject_register+0x67/0x75
[<b0136f6b>] mod_sysfs_setup+0x50/0xb6
[<b0138398>] load_module+0xaa7/0xbcf
[<b013855f>] sys_init_module+0x7c/0x223
[<b0102e75>] syscall_call+0x7/0xb
kobject_register failed for snd_pcm (-17)
[<b038f140>] kobject_register+0x67/0x75
[<b0136f6b>] mod_sysfs_setup+0x50/0xb6
[<b0138398>] load_module+0xaa7/0xbcf
[<b013855f>] sys_init_module+0x7c/0x223
[<b0102e75>] syscall_call+0x7/0xb
usbcore: registered new driver snd-usb-audio
kobject_register failed for snd (-17)
[<b038f140>] kobject_register+0x67/0x75
[<b0136f6b>] mod_sysfs_setup+0x50/0xb6
[<b0138398>] load_module+0xaa7/0xbcf
[<b013855f>] sys_init_module+0x7c/0x223
[<b0102e75>] syscall_call+0x7/0xb
kobject_register failed for snd_timer (-17)
[<b038f140>] kobject_register+0x67/0x75
[<b0136f6b>] mod_sysfs_setup+0x50/0xb6
[<b0138398>] load_module+0xaa7/0xbcf
[<b013855f>] sys_init_module+0x7c/0x223
[<b0102e75>] syscall_call+0x7/0xb
kobject_register failed for snd_pcm (-17)
[<b038f140>] kobject_register+0x67/0x75
[<b0136f6b>] mod_sysfs_setup+0x50/0xb6
[<b0138398>] load_module+0xaa7/0xbcf
[<b013855f>] sys_init_module+0x7c/0x223
[<b0102e75>] syscall_call+0x7/0xb
kobject_register failed for snd_pcm_oss (-17)
[<b038f140>] kobject_register+0x67/0x75
[<b0136f6b>] mod_sysfs_setup+0x50/0xb6
[<b0138398>] load_module+0xaa7/0xbcf
[<b013855f>] sys_init_module+0x7c/0x223
[<b0102e75>] syscall_call+0x7/0xb
kobject_register failed for snd (-17)
[<b038f140>] kobject_register+0x67/0x75
[<b0136f6b>] mod_sysfs_setup+0x50/0xb6
[<b0138398>] load_module+0xaa7/0xbcf
[<b013855f>] sys_init_module+0x7c/0x223
[<b0102e75>] syscall_call+0x7/0xb
kobject_register failed for snd (-17)
[<b038f140>] kobject_register+0x67/0x75
[<b0136f6b>] mod_sysfs_setup+0x50/0xb6
[<b0138398>] load_module+0xaa7/0xbcf
[<b013855f>] sys_init_module+0x7c/0x223
[<b0102e75>] syscall_call+0x7/0xb
kobject_register failed for snd_timer (-17)
[<b038f140>] kobject_register+0x67/0x75
[<b0136f6b>] mod_sysfs_setup+0x50/0xb6
[<b0138398>] load_module+0xaa7/0xbcf
[<b013855f>] sys_init_module+0x7c/0x223
[<b0102e75>] syscall_call+0x7/0xb
kobject_register failed for snd_seq (-17)
[<b038f140>] kobject_register+0x67/0x75
[<b0136f6b>] mod_sysfs_setup+0x50/0xb6
[<b0138398>] load_module+0xaa7/0xbcf
[<b013855f>] sys_init_module+0x7c/0x223
[<b0102e75>] syscall_call+0x7/0xb
kobject_register failed for snd_seq_oss (-17)
[<b038f140>] kobject_register+0x67/0x75
[<b0136f6b>] mod_sysfs_setup+0x50/0xb6
[<b0138398>] load_module+0xaa7/0xbcf
[<b013855f>] sys_init_module+0x7c/0x223
[<b0102e75>] syscall_call+0x7/0xb
agpgart: Found an AGP 3.0 compliant device at 0000:00:00.0.
agpgart: Putting AGP V3 device at 0000:00:00.0 into 8x mode
agpgart: Putting AGP V3 device at 0000:01:00.0 into 8x mode
agpgart: Found an AGP 3.0 compliant device at 0000:00:00.0.
agpgart: Putting AGP V3 device at 0000:00:00.0 into 8x mode
agpgart: Putting AGP V3 device at 0000:01:00.0 into 8x mode
kobject_register failed for snd (-17)
[<b038f140>] kobject_register+0x67/0x75
[<b0136f6b>] mod_sysfs_setup+0x50/0xb6
[<b0138398>] load_module+0xaa7/0xbcf
[<b013855f>] sys_init_module+0x7c/0x223
[<b0102e75>] syscall_call+0x7/0xb
kobject_register failed for snd (-17)
[<b038f140>] kobject_register+0x67/0x75
[<b0136f6b>] mod_sysfs_setup+0x50/0xb6
[<b0138398>] load_module+0xaa7/0xbcf
[<b013855f>] sys_init_module+0x7c/0x223
[<b0102e75>] syscall_call+0x7/0xb
kobject_register failed for snd (-17)
[<b038f140>] kobject_register+0x67/0x75
[<b0136f6b>] mod_sysfs_setup+0x50/0xb6
[<b0138398>] load_module+0xaa7/0xbcf
[<b013855f>] sys_init_module+0x7c/0x223
[<b0102e75>] syscall_call+0x7/0xb
kobject_register failed for snd (-17)
[<b038f140>] kobject_register+0x67/0x75
[<b0136f6b>] mod_sysfs_setup+0x50/0xb6
[<b0138398>] load_module+0xaa7/0xbcf
[<b013855f>] sys_init_module+0x7c/0x223
[<b0102e75>] syscall_call+0x7/0xb

Any suggestions?

Thanks

ALSO... with KInfoCenter I can see this under usb devices:

MobilePre

Manufacturer: M Audio
class 0 ((defined at Interface level))

Subclass 0
Protocol 0
USB Version 1.10

Vendor ID 0x763 (Midiman)
Product ID 0x200f
Revision 1.03
Speed 12 Mbit/s
Channels 0
Max. Packet size 0

but under "sound" I have

Config Options: 0
Installed drivers: ALSA emulation
Card Config: --- no soundcards ---
Audio devices: NOT ENABLED IN CONFIG
Synth devices: NOT ENABLED IN CONFIG
Midi devices: NOT ENABLED IN CONFIG

Timers: 7: system timer

Mixers: NOT ENABLED IN CONFIG

How do I enable them in config?