You may want to take a look at this:
https://help.ubuntu.com/community/SoundTroubleshooting
and see if you can provide us with some more information.
** Package changed: ubuntu => alsa-driver (Ubuntu)
** Changed in: alsa-driver (Ubuntu)
Status: New => Incomplete
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during process starting... stop and then restarting without audio
https://bugs.launchpad.net/bugs/555486
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