artsmessage error popup

[Fulko Hew]

As of (about) Monday's Rawhide update, I now get a dialog box
when I log in with a KDE session:

Sound server informational message:
Error while initializing the sound driver:
device: default can't be opened for playback (Connection refused)
The sound server will continue, using the null output device.

Sound still seems to be working, audacity & xine are all I've tried.
Assuming the message isn't bogus, where should I look next?

TIA
Fulko
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