> > I recently switched from Red Hat FC1 to Debian Sarge, > > kernel 2.6.8-11, and am having trouble getting my MIDI > > interface -- USB Edirol UM-1S -- working. ?Perhaps > > someone could give a little advice? > > Mine works fine. Make sure usb-audio is being loaded in you > alsa. Try manually modprobe, see if it will work? Mine also works fine. But: * ensure there's no OSS in the kernel, especially it will produce lots of problems if you have loaded the OSS USB-audio together with the ALSA snd-usb-audio. Please note that the OSS module can be found in the usb drivers section of the kernel, not in the OSS section. After that, loading snd-usb-audio should immediately give the desired result. Best regards ce