OK problem solved by removing ESI Julia Pro Soundcard and inserting ESI Julia pro. Rosegarden now works in all my distros. Lets close this topic now and move on to the next problem. Many thanks to everyone that helped. Bal -- View this message in context: http://www.nabble.com/Rosegarden4-Freezes-my-machine%2Cneed-to-system-reset.-t1204043.html#a3244092 Sent from the linux-audio-user forum at Nabble.com.