ozstriker@ozstriker:~$ sudo alsa force-reload 
[sudo] password for ozstriker: 
Unloading ALSA sound driver modules: snd-hda-codec-realtek snd-hda-codec-generic snd-hda-intel snd-hda-controller snd-hda-codec snd-usb-audio snd-usbmidi-lib snd-seq-midi snd-seq-midi-event snd-hwdep snd-rawmidi snd-bt87x snd-seq snd-pcm snd-seq-device snd-timer (failed: modules still loaded: snd-hda-codec-realtek snd-hda-codec-generic snd-hda-intel snd-hda-controller snd-hda-codec snd-usb-audio snd-usbmidi-lib snd-hwdep snd-rawmidi snd-bt87x snd-pcm snd-seq-device snd-timer).
Loading ALSA sound driver modules: snd-hda-codec-realtek snd-hda-codec-generic snd-hda-intel snd-hda-controller snd-hda-codec snd-usb-audio snd-usbmidi-lib snd-seq-midi snd-seq-midi-event snd-hwdep snd-rawmidi snd-bt87x snd-seq snd-pcm snd-seq-device snd-timer.
ozstriker@ozstriker:~$