Denis Alessandro Altoe Falqueto wrote: > aplaymidi is working very well... I could play lots of midi files, and > some of them very large and it didn't freeze. Then it's probably not a hardware problem. Does the "rtc" interrupt count increase when you play in Muse/ Rosegarden? If yes, try adding the line alias snd-timer-1 off to your /etc/modprobe.conf, and reboot. (This should disable the RTC interrupt). HTH Clemens