[root@localhost@localdomain root]# timidity -iA -Os Requested buffer size 32768, fragment size 8192 ALSA pcm 'default' set buffer size 32768, period size 8192 bytes TiMidity starting in ALSA server mode set SCHED_FIFO Opening sequencer port: 129:0 129:1 and then the program can't stop, i've tried it, then i've tried a modprobe snd-seq-midi and i've typed timidity -iA -Os but it doesn't work.