当我将特定 USB 设备连接到运行 Ubuntu 20.04 的旧笔记本电脑时,我在 中看到以下内容dmesg:
[ 101.184759] usb 2-1: new high-speed USB device number 6 using ehci-pci
[ 101.221814] usb 2-1: device descriptor read/8, error -71
[ 101.363311] usb 2-1: device descriptor read/8, error -71
[ 101.812806] usb 5-1: new full-speed USB device number 3 using uhci_hcd
[ 102.244741] usb 5-1: device not accepting address 3, error -71
[ 102.376800] usb 5-1: new full-speed USB device number 4 using uhci_hcd
[ 102.800780] usb 5-1: device not …Run Code Online (Sandbox Code Playgroud)