So suddenly I see No volume control GStreamer plugins and/or devices found instead of the usual volume control tool in Feisty. I googled the problem and most of the solutions hinged around the system not detecting the soundcard, or the user forgetting that they didn't have one =) But my sound had been working fine for a few months, so it had to be something else. In this case, careless use of the usermod command; I used the command usermod -G groupname to add my user to a group I had just created. Unfortunately it removed me from every other group, including the audio group.

A quick gedit of /etc/group and I was back in business. The moral of the story: if your sound suddenly stops working, check that your user is still a member of the audio group. Oh, and use usermod more carefully than I did.


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