Just crashed again and pulseaudio is running normally. It must be sound-indicator, something places the slider at the bottom under "Sound Preferences" (not usually there) and then the sound-indicator icon is kind of superseded.
Just crashed again and pulseaudio is running normally. It must be sound-indicator, something places the slider at the bottom under "Sound Preferences" (not usually there) and then the sound-indicator icon is kind of superseded.