You have been subscribed to a public bug:
The only way I've found to restore it is by rebooting. I can control the
volume with amixer, and pavucontrol's per-application sliders work fine,
but the master in pavucontrol doesn't work. (So naturally the volume
keys don't work either.)
** Affects: pulseaudio (Ubuntu)
Importance: Undecided
Status: New
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Pulseaudio volume master breaks after plugging in headphones
https://bugs.launchpad.net/bugs/1670022
You received this bug notification because you are a member of Ubuntu Touch
seeded packages, which is subscribed to pulseaudio in Ubuntu.
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