Hi, I am using Enertion Focbox VESC for my robocar. The device was linked to Xavier NX by usb. But recently I found my Xavier NX could not connect to it anymore. “lsusb” did not find the device. “dmesg” showed bellow error messages:
[ 299.446441] usb 1-2.3: new full-speed USB device number 10 using tegra-xusb
[ 299.526540] usb 1-2.3: device descriptor read/64, error -32
[ 299.714484] usb 1-2.3: device descriptor read/64, error -32
[ 299.902381] usb 1-2.3: new full-speed USB device number 11 using tegra-xusb
[ 299.982499] usb 1-2.3: device descriptor read/64, error -32
[ 300.170492] usb 1-2.3: device descriptor read/64, error -32
[ 300.278509] usb 1-2-port3: unable to enumerate USB device
[ 339.726450] usb 1-2.4: new full-speed USB device number 12 using tegra-xusb
[ 339.726779] usb 1-2.4: Device not responding to setup address.
[ 339.934671] usb 1-2.4: Device not responding to setup address.
[ 340.142495] usb 1-2.4: device not accepting address 12, error -71
[ 340.222452] usb 1-2.4: new full-speed USB device number 13 using tegra-xusb
[ 340.222785] usb 1-2.4: Device not responding to setup address.
[ 340.430685] usb 1-2.4: Device not responding to setup address.
[ 340.638452] usb 1-2.4: device not accepting address 13, error -71
[ 340.638745] usb 1-2-port4: attempt power cycle
[ 342.454441] usb 1-2.4: new full-speed USB device number 14 using tegra-xusb
[ 342.534537] usb 1-2.4: device descriptor read/64, error -32
[ 342.722527] usb 1-2.4: device descriptor read/64, error -32
[ 342.914481] usb 1-2.4: new full-speed USB device number 15 using tegra-xusb
[ 342.994557] usb 1-2.4: device descriptor read/64, error -32
[ 343.182590] usb 1-2.4: device descriptor read/64, error -32
[ 343.290612] usb 1-2-port4: unable to enumerate USB device
What is the root cause of the problem?
Thank you