On 08/18/2013 09:26 PM, Clemens Ladisch wrote: > Carlos sanchiavedraz wrote: >> The MIDI port on my UA25EX just shows up when audio card is in advanced >> driver mode > > In Windows, the advanced mode is intended to be used with the Roland > drivers; disabling it should be necessary only when you're using it with > a system where these drivers are not installed. Due to bugs in the > built-in Windows USB MIDI driver, MIDI is made available only in > advanced mode. > > In theory, Linux should support advanced mode. > >> which by now is not the main mode I'm playing because of problems with >> this mode on Raspberry PI (for the moment It runs with jack1 and it >> won't start in advanced mode). > > Which kernel are you using? To other programs (i.e., aplay/arecord) > work? > >> I suppose that with Jack2 this won't be a problem > > If this is a driver problem, Jack2 will not work either. > > > Regards, > Clemens I have the same issue with my UA25 on a Raspberry Pi. With advanced mode enabled the UA25 simply doesn't work well on the RPi. JACK does start but a lot of xruns are generated. My guess is that this is probably due to the poor USB implementation of the RPi. The workaround I use is adding an extra USB-MIDI cable. Jeremy
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