My cable is a few meters long, so it is possible that Linux just can't establish the connection because of this. The few times I got the -110 caught my attention, because this particular error signals that there is not enough power to establish connection with the device. However, I knew none of the hardware was faulty, since the identical setup on my computer booted under Windows 10 worked perfectly (and of course, changing USB ports and rebooting did not solve the issue).
A lot of "fixes" included rebooting, changing ports, or suggested some piece of hardware in the connection was faulty.
Sometimes, I also had error -110 instead of -64.Īfter a couple hours of research, I gathered that -64 corresponds to a connection issue that is likely at the hardware level. Usb usb2-port3: unable to enumerate USB device Usb 2-3: device not accepting address 33, error -71 Usb 2-3: new full-speed USB device number 33 using xhci_hcd Usb 2-3: device not accepting address 32, error -71 Usb 2-3: Device not responding to setup address. Usb 2-3: new full-speed USB device number 32 using xhci_hcd Usb 2-3: new full-speed USB device number 31 using xhci_hcd Usb 2-3: device descriptor read/64, error -71 Usb 2-3: new full-speed USB device number 30 using xhci_hcd I do have Jack, a2jmidid and some MIDI input monitors installed, but I suspect they don't see anything because the usb connection is never established. Linux's ALSA should also support midi inputs ( https:/ / / viewtopic.php?f=6&t=1055&p=5760&hilit=Kawai+MIDI#p5760). Some google searches didn't bring up any solution, but apparently other Kawai instruments like the VPC1 and CS11 work in linux ( https:/ / / t/ kawai-usb-midi/ 88221/ 2). I know that the cable, piano and computer USB ports all work because I could successfully connect it on my Windows boot and play around with the Pianoteq trial. So I have a MIDI-USB cable and plug it in the DP & my computer, It does not get recognized by my Linux system (as in, the lsusb command does not even list it). Though I also have Windows 10 on dual boot, most of my time is spent on Linux. I've downloaded a bunch of software/tools like Ardour4 and a Pianoteq trial to figure out how this stuff works.
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