> In my case. "timidity" was causing my problem. Within X, I did a "sudo kill > timidity", and immediately my Volume control on the pane of KDE's Plasma > desktop changed, and the volume control slider produced test clicks. I > tried purging timidity, but it seems to want to take half of KDE with it, > so I'm gonna hold off until tomorrow to tinker any more with it. > > Whew!
Yessir. The timidity update on 19 June messed up my sound, too. After a frustrating few hours of troubleshooting I discovered that timidity is hogging the sound server. Which brings us to the obvious question of how do you get Pulse to play nicely with Timidity?