Jacco Kramer wrote: > When I play a single note it is played by the synthesizer connected to it. > However, if I use a sequencer to play notes only the first one is played > (the lights on the M4U flash though, as if it was sending a midi event), > unless there's a 'silence' between two notes. Please show the output of "lsusb -v" for this device. It's possible that the M4U does not have an input buffer as big as it claims it has. As a workaround, try to change line 921 or so of usbmidi.c from ep->max_transfer = usb_maxpacket(umidi->chip->dev, pipe, 1); to ep->max_transfer = 4; HTH Clemens ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user