On Wed, 08 Feb 2012 16:00:24 +0100 Yves-Alexis Perez wrote: > By the way, how do you start/stop playback? Using what app(s)? Using play (from sox package), vlc or ffplay (ffmpeg package). All of them lead to a xfce4-mixer crash without doing any operation on it. Best Regards, -- Manolo D?az