Evening list, Today i tryed playing around with pd for the first time, and enabled the audio system to use jack, which works fine except for: If I move the mouse and it crosses the boundary between two windows, I then get reports of Xruns from within pd in the main window and the sound crackles accordingly. Qjackctl does not report any of these xruns. This is getting a little annoying and may leave me having to leave pd for now as i need to utilise my mouse whilst using it. I am running Ubuntu Edgy with a 2.6.17-rt kernel and jack as realtime. If I do not enable the audio system within pd then this problem does not occur. Any help much appreciated. Chris