It looks like this might be your issue:
> La periferica di riproduzione รจ hw:0
> I parametri dello stream sono 48000Hz, S16_LE, 2 canali
> Using 16 octaves of pink noise
> ALSA lib confmisc.c:1286:(snd_func_refer) Unable to find definition
> 'defaults.namehint.extended'
> ALSA lib conf.c:3513:(_snd_config_evaluate) function snd_func_refer returned
> error: Nessun file o directory
> ALSA lib conf.c:3985:(snd_config_expand) Evaluate error: Nessun file o
> directory
> ALSA lib pcm.c:2184:(snd_pcm_open_noupdate) Unknown PCM hw:0
> Playback open error: -2,Nessun file o directory [...],
Not that I've had that issue. But you might only have some of your modules
loaded. Or a mixmatch of versions loaded. Or some sort of udev or /dev/audio/
issues. Do you get sound on the main/default soundcard? Because it seems you
got the same error on both cards. You might try hw:0,0 instead of just hw:0.
Generally speaking hw:0,0 for playback and hw:0,1 for recording. I've seen
issues like this (snd_ctl_open) when the /dev/ devices were not present.
------
For reference here's my Mobile Pre setup. From memory and cut and paste for
the most part so grain of salt. And I used to have 2 mobile pre's. You might
try using a liveCD like knoppix and see if it auto detects/configures your
primary soundcard. Just to verify that at least that works under linux.
-----
There's many parts to an alsa setup / configuration. Listed below are some of
mine. Most of these are taken care of by your distro. Or at least should be.
-----
speaker-test -c 2
Playback device is default
Stream parameters are 48000Hz, S16_LE, 2 channels
Using 16 octaves of pink noise
Rate set to 48000Hz (requested 48000Hz)
Buffer size range from 2048 to 16384
Period size range from 1024 to 1024
Using max buffer size 16384
Periods = 4
was set period_size = 1024
was set buffer_size = 16384
0 - Front Left
1 - Front Right
Time per period = 5.650262
0 - Front Left
1 - Front Right
-----
cd alsa-driver-???
./configure --prefix=/usr --with-cards=atiixp,atiixp-modem,usb-audio
--with-sequencer=yes
make
make install
-----
# FROM /etc/modprobe.d/alsa_custom
# implies moving or disabling distro default entries.
alias char-major-116 snd
alias char-major-14 soundcore
options snd major=116 cards_limit=3
options snd-atiixp index=0
options snd-atiixp-modem index=1
options snd-usb-audio index=2
options snd-usb-audio index=3
alias snd-card-0 snd-atiixp
alias sound-slot-0 snd-card-0
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-seqr-oss
alias sound-service-0-12 snd-pcm-oss
alias snd-card-1 snd-atiixp-modem
alias sound-slot-1 snd-card-1
alias sound-service-1-0 snd-mixer-oss
alias sound-service-1-1 snd-seq-oss
alias sound-service-1-3 snd-pcm-oss
alias sound-service-1-8 snd-seqr-oss
alias sound-service-1-12 snd-pcm-oss
alias snd-card-2 snd-usb-audio
alias sound-slot-2 snd-card-2
alias sound-service-2-0 snd-mixer-oss
alias sound-service-2-1 snd-seq-oss
alias sound-service-2-3 snd-pcm-oss
alias sound-service-2-8 snd-seqr-oss
alias sound-service-2-12 snd-pcm-oss
alias snd-card-3 snd-usb-audio
alias sound-slot-3 snd-card-3
alias sound-service-3-0 snd-mixer-oss
alias sound-service-3-1 snd-seq-oss
alias sound-service-3-3 snd-pcm-oss
alias sound-service-3-8 snd-seqr-oss
alias sound-service-3-12 snd-pcm-oss
#alias usb-controller ohci-hcd
#alias usb-controller1 ehci-hcd
-----
# FROM /etc/modules
snd-usb-audio
snd-atiixp
snd-seq-oss
-----
# FROM /home/user/.asoundrc
pcm.atiixp {
type hw
card 0
}
ctl.atiixp {
type hw
card 0
}
pcm.atiixp_modem {
type hw
card 1
}
ctl.atiixp_modem {
type hw
card 1
}
pcm.usb_audio2 {
type hw
card 2
}
ctl.usb_audio2 {
type hw
card 2
}
pcm.usb_audio3 {
type hw
card 3
}
ctl.usb_audio3 {
type hw
card 3
}
defaults.pcm.card 0
pcm.copy {
type plug
slave {
pcm hw
}
route_policy copy
}
-----
I used udev to create the modules in /dev. I wasn't really given a choice with
my current distros incarnation. I used to just run the ./snddevices script to
mknod the audio devices.
-----
find /lib/modules/`uname -r`/kernel/sound/ -iname '*'
/lib/modules/2.6.25.9/kernel/sound/
/lib/modules/2.6.25.9/kernel/sound/ac97_bus.ko
/lib/modules/2.6.25.9/kernel/sound/soundcore.ko
/lib/modules/2.6.25.9/kernel/sound/pci
/lib/modules/2.6.25.9/kernel/sound/pci/snd-atiixp-modem.ko
/lib/modules/2.6.25.9/kernel/sound/pci/ac97
/lib/modules/2.6.25.9/kernel/sound/pci/ac97/snd-ac97-codec.ko
/lib/modules/2.6.25.9/kernel/sound/pci/snd-atiixp.ko
/lib/modules/2.6.25.9/kernel/sound/usb
/lib/modules/2.6.25.9/kernel/sound/usb/caiaq
/lib/modules/2.6.25.9/kernel/sound/usb/caiaq/snd-usb-caiaq.ko
/lib/modules/2.6.25.9/kernel/sound/usb/snd-usb-audio.ko
/lib/modules/2.6.25.9/kernel/sound/usb/snd-usb-lib.ko
/lib/modules/2.6.25.9/kernel/sound/usb/usx2y
/lib/modules/2.6.25.9/kernel/sound/usb/usx2y/snd-usb-usx2y.ko
/lib/modules/2.6.25.9/kernel/sound/core
/lib/modules/2.6.25.9/kernel/sound/core/snd.ko
/lib/modules/2.6.25.9/kernel/sound/core/seq
/lib/modules/2.6.25.9/kernel/sound/core/seq/snd-seq-midi.ko
/lib/modules/2.6.25.9/kernel/sound/core/seq/snd-seq.ko
/lib/modules/2.6.25.9/kernel/sound/core/seq/snd-seq-device.ko
/lib/modules/2.6.25.9/kernel/sound/core/seq/oss
/lib/modules/2.6.25.9/kernel/sound/core/seq/oss/snd-seq-oss.ko
/lib/modules/2.6.25.9/kernel/sound/core/seq/snd-seq-midi-event.ko
/lib/modules/2.6.25.9/kernel/sound/core/snd-hwdep.ko
/lib/modules/2.6.25.9/kernel/sound/core/snd-rawmidi.ko
/lib/modules/2.6.25.9/kernel/sound/core/snd-pcm.ko
/lib/modules/2.6.25.9/kernel/sound/core/snd-rtctimer.ko
/lib/modules/2.6.25.9/kernel/sound/core/oss
/lib/modules/2.6.25.9/kernel/sound/core/oss/snd-pcm-oss.ko
/lib/modules/2.6.25.9/kernel/sound/core/oss/snd-mixer-oss.ko
/lib/modules/2.6.25.9/kernel/sound/core/snd-page-alloc.ko
/lib/modules/2.6.25.9/kernel/sound/core/snd-timer.ko
-----
lsmod | grep -i 'snd'
snd_usb_audio 80800 0
snd_usb_lib 17024 1 snd_usb_audio
snd_seq_oss 31808 0
snd_seq_midi 8416 0
snd_seq_midi_event 7552 2 snd_seq_oss,snd_seq_midi
snd_seq 50768 5 snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_rawmidi 24736 2 snd_usb_lib,snd_seq_midi
snd_seq_device 8204 4 snd_seq_oss,snd_seq_midi,snd_seq,snd_rawmidi
snd_hwdep 9284 1 snd_usb_audio
snd_atiixp_modem 15560 0
snd_atiixp 19532 0
snd_ac97_codec 97568 2 snd_atiixp_modem,snd_atiixp
ac97_bus 1856 1 snd_ac97_codec
snd_pcm_oss 39200 0
snd_mixer_oss 16576 1 snd_pcm_oss
snd_pcm 69960 5
snd_usb_audio,snd_atiixp_modem,snd_atiixp,snd_ac97_codec,snd_pcm_oss
snd_timer 23492 2 snd_seq,snd_pcm
snd 53412 13
snd_usb_audio,snd_seq_oss,snd_seq,snd_rawmidi,snd_seq_device,snd_hwdep,snd_atiixp_modem,snd_atiixp,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer
soundcore 7968 1 snd
snd_page_alloc 10312 3 snd_atiixp_modem,snd_atiixp,snd_pcm
usbcore 138544 8
ub,usb_storage,snd_usb_audio,snd_usb_lib,ndiswrapper,ehci_hcd,ohci_hcd
-----
lsmod | grep -i usb
usb_storage 40320 0
scsi_mod 148744 4 sg,sr_mod,sd_mod,usb_storage
snd_usb_audio 80800 0
snd_usb_lib 17024 1 snd_usb_audio
snd_rawmidi 24736 2 snd_usb_lib,snd_seq_midi
snd_hwdep 9284 1 snd_usb_audio
snd_pcm 69960 5
snd_usb_audio,snd_atiixp_modem,snd_atiixp,snd_ac97_codec,snd_pcm_oss
snd 53412 13
snd_usb_audio,snd_seq_oss,snd_seq,snd_rawmidi,snd_seq_device,snd_hwdep,snd_atiixp_modem,snd_atiixp,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer
usbcore 138544 8
ub,usb_storage,snd_usb_audio,snd_usb_lib,ndiswrapper,ehci_hcd,ohci_hcd
-----
lsmod | grep -i hci
ehci_hcd 34956 0
ohci_hcd 24068 0
usbcore 138544 8
ub,usb_storage,snd_usb_audio,snd_usb_lib,ndiswrapper,ehci_hcd,ohci_hcd
-----
HTH
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