Your advice was perfect ... it is pretty much embarrassing, but yeah, changing to another USB port helped :-) Did try that before, but just had catched the only other USB port of the machine that obviously has problems, too. All other USB ports are working fine - as I know now ... ;-) So, thanks a bunch again! Regards, Joachim Am 11.04.2013 13:12, schrieb Clemens Ladisch: > jem_7@xxxxxx wrote: > > One thing I have seen while watching the data received by amidi with > > the -d option as well as with the other tools was, that the "data > > stream" sometimes seems to stop while the Axe-Fx II is still sending > > data. Sometimes the stream continues after or short break, sometimes > > it does not. > > MIDI dumps works fine with every other device. > > You could try another cable and/or another USB port. > > > Don't know if this could be a timing issue? > > USB MIDI uses bulk transfers, which is the same method that is used by > USB hard disks. I guess your machine doesn't have problems with > reading from such devices at a speed of 1.5 KB/s or more? > > > Regards, > Clemens > ------------------------------------------------------------------------------ Precog is a next-generation analytics platform capable of advanced analytics on semi-structured data. The platform includes APIs for building apps and a phenomenal toolset for data science. Developers can use our toolset for easy data analysis & visualization. Get a free account! http://www2.precog.com/precogplatform/slashdotnewsletter _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user