我在 Dell-XPS-15 上运行 Ubuntu 20.04。当我重新启动计算机时,我的 USB 设备被检测到并且一切正常。然后,如果我拔下设备并再次插入 - 直到下次重新启动,它才会被识别。当我使用 dmesg -w 连接设备时,我得到以下信息:
[ 2597.029465] usb 1-3: new high-speed USB device number 13 using xhci_hcd
[ 2597.184660] usb 1-3: New USB device found, idVendor=2109, idProduct=2817, bcdDevice= 3.a3
[ 2597.184665] usb 1-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 2597.184667] usb 1-3: Product: USB2.0 Hub
[ 2597.184668] usb 1-3: Manufacturer: VIA Labs, Inc.
[ 2597.184822] usb 1-3: Device is not authorized for usage
[ 2598.065839] usb 1-3: USB disconnect, device number 13
并且该设备未显示在 lsusb 中。我没有 usbgurad,我尝试了网上能找到的所有方法,但都没有成功。非常感谢您的帮助,谢谢!