我使用Luckfox Pico Ultra连接usb 摄像头，直接把摄像头连接到板子的usb a口，终端输出
[root@luckfox root]# [ 197.083773] usb 1-1: new high-speed USB device number 6 using xhci-hcd
[ 197.233785] usb 1-1: device descriptor read/64, error -71
[ 197.503782] usb 1-1: device descriptor read/64, error -71
[ 197.773766] usb 1-1: new ...