After reboot, sound works again.... here are some of the same commands
with the working system:

r...@ubuntudesktop:~# aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: VT1708B Analog [VT1708B Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 1: VT1708B Digital [VT1708B Digital]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

alsa-info.sh output:
http://www.alsa-project.org/db/?f=576ebf32b3117195dfa0b0928130f2db612e84ec

I then tried the alsa force-unload and alsa force-reload commands and
then aplay -l shows no sound card again, so it looks like that part was
broken from my debugging.  Should it loose track of the hardware like
that, is that another bug?


r...@ubuntudesktop:~# alsa force-unload
lsof: WARNING: can't stat() fuse.gvfs-fuse-daemon file system /home/reece/.gvfs
      Output information may be incomplete.
Terminating processes: 6029 6190lsof: WARNING: can't stat() 
fuse.gvfs-fuse-daemon file system /home/reece/.gvfs
      Output information may be incomplete.
lsof: WARNING: can't stat() fuse.gvfs-fuse-daemon file system /home/reece/.gvfs
      Output information may be incomplete.
.
lsof: WARNING: can't stat() fuse.gvfs-fuse-daemon file system /home/reece/.gvfs
      Output information may be incomplete.
Unloading ALSA sound driver modules: snd-hda-intel snd-pcm-oss snd-mixer-oss 
snd-pcm snd-seq-dummy snd-seq-oss snd-seq-midi snd-rawmidi snd-seq-midi-event 
snd-seq snd-timer snd-seq-device snd-page-alloc.
r...@ubuntudesktop:~# alsa force-reload
lsof: WARNING: can't stat() fuse.gvfs-fuse-daemon file system /home/reece/.gvfs
      Output information may be incomplete.
lsof: WARNING: can't stat() fuse.gvfs-fuse-daemon file system /home/reece/.gvfs
      Output information may be incomplete.
Unloading ALSA sound driver modules: (none loaded).
Loading ALSA sound driver modules: (none to reload).
r...@ubuntudesktop:~# aplay -l
aplay: device_list:215: no soundcards found...

Next time the sound stops, I won't mess with alsa since it looks like
that makes things worse, but please let me know what information you
need while my system is in that state.

-- 
Sound works for a while, then randomly stops working in 8.10
https://bugs.launchpad.net/bugs/315824
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