> In which situation? I was testing something that listens for alsa events and for that I ran a continuous loop that did: while true do aconnect 128:1 14:0 aconnect -d 128:1 14:0 aconnect -d 128:2 128:1 aconnect 128:2 128:1 done I ran 5 instances in parallel. 14 is midi through 128 is rtpmidi