salut voici le message d erreur
ALSA lib conf.c:3949:(snd_config_expand) Unknown parameters 0
ALSA lib pcm.c:2145:(snd_pcm_open_noupdate) Unknown PCM default:0
err:alsa:ALSA_CheckSetVolume Could not find 'PCM Playback Volume' element
ALSA lib conf.c:3949:(snd_config_expand) Unknown parameters 0
ALSA lib pcm.c:2145:(snd_pcm_open_noupdate) Unknown PCM default:0
err:alsa:ALSA_CheckSetVolume Could not find 'PCM Playback Volume' element
fixme:mixer:ALSA_MixerInit No master control found on HDA NVidia, disabling mixer
