Francesco Ariis wrote:
> I recently acquired a roland a-500s midi keyboard and I have problems
> using it under linux. When I connect the device via usb, dmesg tells me
> this:
>
> [ 73.700119] usb 3-1: new full-speed USB device number 3 using uhci_hcd
> [ 73.860165] usb 3-1: Product: A-500S
> [ 73.860169] usb 3-1: Manufacturer: ROLAND
> [ 73.867172] snd-usb-audio: probe of 3-1:1.0 failed with error -5
When in "Advanced Mode", most newer devices tell the driver in the
descriptors how many MIDI ports they have; for older devices, the driver
just has to know.
Please show the "lsusb -v" output for this device in standard mode.
Regards,
Clemens
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Received on Sun Jan 29 12:15:03 2017
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