我最近从我的Ubuntu12.04 USB中安装了Ubuntu12.04,Ubuntu12.04是由创建的,当我安装Ubuntu12.04时,这台计算机已经有12年的历史了,我安装了Ubuntu12.04以下是我的USB键盘的dmesg:# [ 123.141447] usb 2-2: New USB device found, idVendor=1c4f, idProduct=0002
new SuperSpeed USB device number 2 using xhci_hcdJun 22 22:22:12 host kernel: [10288570.886457] usb 2-device strings: Mfr=1, Product=2, SerialNumber=3
Jun 22 22:22:12 host kernel:
] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3[1351555.813065] usb 2-2: Manufacturer: Samsung Electronics
[1351555.813071] usb 2-2: SerialNumber] usb 2-2: reset high-speed USB device number 18
这是dmesg插入USB驱动器时返回的内容:[989699.722098] scsi7 : usb-storage 2-2:1.0
[989721.936053] usb 2-2: reset high-speed USB device number 4 using ehci_hcd[989732.180053] usb 2-2: reset high-speed USB
[21226.044538] uvcvideo 2-2:1.0: Entity type for entity Extension 8 was not initialized![21226.044547] uvcvideo 2-2:1.0: Entity type for entity Camera 1 was not initialized!2/2-2:1.0/input/input35
[21226.137559] usb 2-2: Warning!2-2: New US