我在我的 Ubuntu 14.4.02 笔记本的 dmesg 中发现了它。我不知道是否应该采取行动。
~ > grep "usb 3" dmesg
[ 2.475970] usb 3-1: new low-speed USB device number 2 using xhci_hcd
[ 2.476450] usb 3-1: Device not responding to set address.
[ 2.680655] usb 3-1: Device not responding to set address.
[ 2.884158] usb 3-1: device not accepting address 2, error -71
[ 3.052272] usb 3-1: new low-speed USB device number 3 using xhci_hcd
[ 3.054039] usb 3-1: Device not responding to set address.
[ 3.256858] usb 3-1: Device not responding to set address.
[ 3.460406] usb 3-1: device not accepting address 3, error -71
[ 3.628593] usb 3-1: new low-speed USB device number 4 using xhci_hcd
[ 3.630174] usb 3-1: Device not responding to set address.
[ 3.832966] usb 3-1: Device not responding to set address.
[ 4.036642] usb 3-1: device not accepting address 4, error -71
[ 4.148704] usb 3-1: new low-speed USB device number 5 using xhci_hcd
[ 4.149213] usb 3-1: Device not responding to set address.
[ 4.353366] usb 3-1: Device not responding to set address.
[ 4.556965] usb 3-1: device not accepting address 5, error -71
[ 4.669047] usb 3-4: new full-speed USB device number 6 using xhci_hcd
[ 4.690089] usb 3-4: New USB device found, idVendor=045e, idProduct=0745
[ 4.690116] usb 3-4: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 4.690140] usb 3-4: Product: Microsoft\xffffffc2\xffffffae\xffffffae 2.4GHz Transceiver v8.0
[ 4.690159] usb 3-4: Manufacturer: Microsoft
这是我的 USB 设备
~ > lsusb
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 005: ID 0bda:58c2 Realtek Semiconductor Corp.
Bus 001 Device 004: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 001 Device 003: ID 8087:07da Intel Corp.
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 006: ID 045e:0745 Microsoft Corp. Nano Transceiver v1.0 for Bluetooth
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub