# aplay -l **** List of PLAYBACK Hardware Devices **** ALSA lib conf.c:1016:(parse_value) card is not a string ALSA lib conf.c:1685:(snd_config_load1) _toplevel_:74:25:Invalid argument ALSA lib conf.c:3704:(snd_config_update_r) /usr/share/alsa/alsa.conf may be old or corrupted: consider to remove or fix it aplay: device_list:232: control open (0): Invalid argument