运行命令:
[root@east81 Desktop]# dmesg|grep usb
[0.211798] usbcore: registered new interface driver usbfs
[0.211801] usbcore: registered new interface driver hub
[0.211812] usbcore: registered new device driver usb
[0.513302] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[0.513303] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[0.513304] usb usb1: Product: xHCI Host Controller
[0.513304] usb usb1: Manufacturer: Linux 3.10.0-327.el7.x86_64 xhci-hcd
[0.513305] usb usb1: SerialNumber: 0000:00:14.0
[0.518700] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003
[0.518701] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[0.518702] usb usb2: Product: xHCI Host Controller
[0.518702] usb usb2: Manufacturer: Linux 3.10.0-327.el7.x86_64 xhci-hcd
[0.518703] usb usb2: SerialNumber: 0000:00:14.0
[0.525247] usbcore: registered new interface driver usbserial
[0.525249] usbcore: registered new