Clemens wrote: > Does /proc/sys/kernel/hotplug exist? Yes. It contains the text /sbin/udevsend, which exists. > Is CONFIG_HOTPLUG enabled? I suppose you mean in the kernel configuration. For this operation, menuconfig doesn't give an option - just three dashes - so I guess that means it's on automatically. (Any way I can check this?) BTW I found a workaround: cd /usr/share/usb/midisport modprobe snd-usb-audio fxload -D /proc/bus/usb/XXX/YYY -s MidiSportLoader.ihx -I \ MidiSport2x2.ihx Regards, Peter C