getting sound back

[Alan Cox]

> > Fortunately, my kids are savvy enough to check the sound first then 
> > check the cables.  All that was good.  I wasn't expecting pulseaudio not 
> > to be a service I could just restart on the fly.  But I'll check it out 
> > when I get home.
> ----
> pulseaudio is run in user space and not as a system service.

On my intel board I've lost sound a couple of times with the latest
Fedora kernel. In both cases I had to kill off the sound using processes
and unload the snd_hda_intel driver then reload it. Simply restarting
pulseaudio didn't do anything