David Baron wrote:
I added lines that were in modules.conf to
modprobe.conf.
Now and mpu401 driven devices is active!
The USB still is not, though snd-usb-audio is registering on boot and
deregistering on shutdown.
Does the USB device show up in /proc/bus/usb/devices?
Probably the OSS drivers ("usb-midi" or "audio") are loaded. If so,
deactivate them or put them into /etc/hotplug/blacklist.
Regards,
Clemens