Ubuntu
pulseaudio package

  1. Bug #1585084
  2. Comment #26

Comment 26 for bug 1585084

Revision history for this message
Klo Ake (kloake) wrote : Re: Volume notification keeps popping up constantly(the notifyosd bubble on top-right corner)

I have the same issue with Ubuntu 16.04 (LTS) on my workstation.
The sound bar regularly pops up when I am listening to music, both when using speakers or USB headphones.