Looks like the cause of the problem was my attempt to make pulseaudio contol PCM volume. I had 'load-module module-alsa-sink control=PCM' in my default.pm. Removing it reduced CPU usage to 2%.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/778625 Title: Pulseaudio uses 10% of cpu -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
