magnus@frigg:~$ speaker-test -c 6 -t 2
speaker-test 0.0.8
Playback device is plughw:0,0
Stream parameters are 48000Hz, S16_LE, 6 channels
Sine wave rate is 440.0000Hz
ALSA lib confmisc.c:1107:(snd_func_refer) Unable to find definition 'defaults.pcm.subdevice'
ALSA lib conf.c:3493:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
ALSA lib conf.c:3951:(snd_config_expand) Args evaluate error: No such file or directory
ALSA lib pcm.c:2102:(snd_pcm_open_noupdate) Unknown PCM plughw:0,0
Playback open error: -2,No such file or directory