Un résultat de Alsa Debug :
jc@jcdesktop:~$ ./alsa_debug
ALSA Audio Debug v0.1.0 - dimanche 29 août 2010, 20:23:00 (UTC+0200)
http://alsa.opensrc.org/aadebug
http://www.gnu.org/licenses/gpl.txt
Kernel ----------------------------------------------------
Linux jcdesktop 2.6.32-24-generic #39-Ubuntu SMP Wed Jul 28 05:14:15 UTC 2010 x86_64 GNU/Linux
Loaded Modules --------------------------------------------
snd_hda_codec_atihdmi 3023 1
snd_hda_codec_realtek 279040 0
snd_seq_dummy 1782 0
snd_seq_oss 31219 0
snd_seq_midi 5829 0
snd_rawmidi 23420 1 snd_seq_midi
snd_seq_midi_event 7267 2 snd_seq_oss,snd_seq_midi
snd_seq 57481 6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_hda_intel 25677 6
snd_hda_codec 85759 3 snd_hda_codec_atihdmi,snd_hda_codec_realtek,snd_hda_intel
snd_hwdep 6924 1 snd_hda_codec
snd_pcm_oss 41394 0
snd_mixer_oss 16299 1 snd_pcm_oss
snd_pcm 87882 4 snd_hda_intel,snd_hda_codec,snd_pcm_oss
snd_timer 23649 3 snd_seq,snd_pcm
snd_seq_device 6888 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
snd 71106 22 snd_hda_codec_realtek,snd_seq_oss,snd_rawmidi,snd_seq,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer,snd_seq_device
snd_page_alloc 8500 2 snd_hda_intel,snd_pcm
Modprobe Conf ---------------------------------------------
Warning: module config file does not exist
This means any kernel modules will not be auto loaded
See your linux distro docs on how to create this file
Proc Asound -----------------------------------------------
Advanced Linux Sound Architecture Driver Version 1.0.21.
0 [SB ]: HDA-Intel - HDA ATI SB
HDA ATI SB at 0xfe024000 irq 16
1 [HDMI ]: HDA-Intel - HDA ATI HDMI
HDA ATI HDMI at 0xfdffc000 irq 19
2: : timer
3: : sequencer
4: [ 0- 0]: digital audio playback
5: [ 0- 0]: digital audio capture
6: [ 0- 0]: hardware dependent
7: [ 0] : control
8: [ 1- 3]: digital audio playback
9: [ 1- 0]: hardware dependent
10: [ 1] : control
00-00: HDA Codec 0
01-00: HDA Codec 0
00-00: HDA Generic : HDA Generic : playback 1 : capture 1
01-03: ATI HDMI : ATI HDMI : playback 1
Client info
cur clients : 3
peak clients : 3
max clients : 192
Client 0 : "System" [Kernel]
Port 0 : "Timer" (Rwe-)
Port 1 : "Announce" (R-e-)
Connecting To: 15:0
Client 14 : "Midi Through" [Kernel]
Port 0 : "Midi Through Port-0" (RWe-)
Client 15 : "OSS sequencer" [Kernel]
Port 0 : "Receiver" (-we-)
Connected From: 0:1
Dev Snd ---------------------------------------------------
by-path controlC1 hwC1D0 pcmC0D0p seq
controlC0 hwC0D0 pcmC0D0c pcmC1D3p timer
CPU -------------------------------------------------------
model name : AMD Phenom(tm) II X6 1055T Processor
cpu MHz : 800.000
model name : AMD Phenom(tm) II X6 1055T Processor
cpu MHz : 800.000
model name : AMD Phenom(tm) II X6 1055T Processor
cpu MHz : 800.000
model name : AMD Phenom(tm) II X6 1055T Processor
cpu MHz : 800.000
model name : AMD Phenom(tm) II X6 1055T Processor
cpu MHz : 800.000
model name : AMD Phenom(tm) II X6 1055T Processor
cpu MHz : 800.000
RAM -------------------------------------------------------
MemTotal: 3536508 kB
SwapTotal: 2056184 kB
Hardware --------------------------------------------------
00:00.0 Host bridge: Advanced Micro Devices [AMD] RS780 Host Bridge Alternate
00:18.0 Host bridge: Advanced Micro Devices [AMD] K10 [Opteron, Athlon64, Sempron] HyperTransport Configuration
00:18.1 Host bridge: Advanced Micro Devices [AMD] K10 [Opteron, Athlon64, Sempron] Address Map
00:18.2 Host bridge: Advanced Micro Devices [AMD] K10 [Opteron, Athlon64, Sempron] DRAM Controller
00:18.3 Host bridge: Advanced Micro Devices [AMD] K10 [Opteron, Athlon64, Sempron] Miscellaneous Control
00:18.4 Host bridge: Advanced Micro Devices [AMD] K10 [Opteron, Athlon64, Sempron] Link Control