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% uname -a
Linux elisa 4.2.5-1-ARCH #1 SMP PREEMPT Tue Oct 27 08:13:28 CET 2015 x86_64 GNU/Linux
The output of dmesg when I plug in novation launchkey 61
[ 255.319987] usb 1-2: new full-speed USB device number 11 using uhci_hcd
[ 255.733321] usb 1-2: device not accepting address 11, error -...