Jacco Kramer wrote: > On 11/6/06, Clemens Ladisch <cladisch@xxxxxxxxxxxx> wrote: > > 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; > > Thanx, that worked great!! Unfortunately, this workaround limits the combined data rate for all four output ports to 3000 bytes per second, which is about the data rate for one standard MIDI port. Please check if greater values than four (8, 12, 16) still work. Regards, Clemens ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user