Should use pulseaudio output plugin
Binary package hint: cmus
A number of playback and mixer problems occur when using the ALSA output plugin with pulseaudio, as in the current v2.2.0 package in Karmic. A dedicated "pulse" output plugin is available in the new stable release which resolves all of these issues and should be made the default in Ubuntu.
This is a recent discussion about one of the issues: http://
What used to be the cmus-unofficial fork has since officially taken over development of the project with lots of active work happening, so the package should be bumped up to the new v2.3.1. :)