Comment 15 for bug 1657994

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Kai-Heng Feng (kaihengfeng) wrote :

Do you have any alsa/pulseaudio config?

This can be quickly verified by running "vanilla" Ubuntu.

16.04: http://cdimage.ubuntu.com/xenial/daily-live/current/
17.04: http://cdimage.ubuntu.com/daily-live/current/

If both of them work, then it's probably related to your config setting.