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USB-Serial Driver(Exar Xr21v1414) Run Error

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linux-howto

http://unix.stackexchange.com – I'm currently trying to run the bellow driver in linux-3.8.3 on Exar xr21v1414 http://www.exar.com/connectivity/uart-and-bridging-solutions/usb-uarts/x..., but when i install the driver vizzini.ko, it arise the follow error: [ 162.650000] usbserial: USB Serial support registered for Vizzini USB serial port [ 162.650000] vizzini 1-1.4:1.0: Vizzini USB serial port converter detected [ 162.660000] usb 1-1.4: Vizzini USB serial port converter now attached to ttyUSB0 [ 162.670000] vizzini 1-1.4:1.1: Zero length descriptor references [ 162.670000] vizzini: probe of 1-1.4:1.1 failed with (HowTos)