U-blox not work via Hub on OrinNX


We use u-blox GPS module NEO-M8N connect to usb port on OrinNX SOM and Xavier NX CA board (P3509), and that can found new UART port /dev/ttyACM0. When we first time to open that port /dev/ttyACM0, that can get gps data, but close and open again, no data come-in. When change SOM to Xavier NX, this behavior is work, any open/close no problem. Advance we try to use OTG port to connect GPS module by use OrinNX, and open/close can work too, but when we connect a usb hub to OTG port and connect GPS module, open/close not work again. That conclusion is when GPS module connect to hub to usb root on OrinNX seems not work. Any idea to solve that ?


Please apply the USB firmware and try again:
Jetson Linux 35.3.1 | NVIDIA Developer


It work. Thanks!!

how I do it ?

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