连接网络摄像头和我的笔记本电脑的电缆似乎已损坏。结果，网络摄像头一直保持连接和断开连接。是否可以禁用 USB 端口？
输出的示例dmesg。当我尝试诊断其他系统问题时，这真的很烦人。
[ 2137.301986] usb 1-12: new high-speed USB device number 61 using xhci_hcd
[ 2137.459229] usb 1-12: New USB device found, idVendor=1bcf, idProduct=2c01, bcdDevice=65.03
[ 2137.459231] usb 1-12: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 2137.459232] usb 1-12: Product: Integrated Webcam
[ 2137.459233] usb 1-12: Manufacturer: SuYin
[ 2137.462279] uvcvideo: Found UVC 1.00 device Integrated Webcam (1bcf:2c01)
[ 2137.486895] input: Integrated Webcam: Integrated W as /devices/pci0000:00/0000:00:14.0/usb1/1-12/1-12:1.0/input/input98
[ 2143.584635] usb 1-12: USB disconnect, device number 61
[ 2143.950031] usb 1-12: new high-speed USB device number 62 using xhci_hcd
[ 2144.107491] usb 1-12: New USB device found, idVendor=1bcf, idProduct=2c01, bcdDevice=65.03
[ 2144.107497] usb 1-12: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 2144.107500] usb 1-12: Product: Integrated Webcam
[ 2144.107503] usb 1-12: Manufacturer: SuYin
[ 2144.110929] uvcvideo: Found UVC 1.00 device Integrated Webcam (1bcf:2c01)
[ 2144.132345] input: Integrated Webcam: Integrated W as /devices/pci0000:00/0000:00:14.0/usb1/1-12/1-12:1.0/input/input99
[ 2153.096693] usb 1-12: USB disconnect, device number 62
[ 2153.429937] usb 1-12: new high-speed USB device number 63 using xhci_hcd
[ 2153.587337] usb 1-12: New USB device found, idVendor=1bcf, idProduct=2c01, bcdDevice=65.03
[ 2153.587343] usb 1-12: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 2153.587346] usb 1-12: Product: Integrated Webcam
[ 2153.587349] usb 1-12: Manufacturer: SuYin
[ 2153.590733] uvcvideo: Found UVC 1.00 device Integrated Webcam (1bcf:2c01)
[ 2153.613767] input: Integrated Webcam: Integrated W as /devices/pci0000:00/0000:00:14.0/usb1/1-12/1-12:1.0/input/input100
[ 2157.458170] usb 1-12: USB disconnect, device number 63
[ 2157.797920] usb 1-12: new high-speed USB device number 64 using xhci_hcd
[ 2157.955190] usb 1-12: New USB device found, idVendor=1bcf, idProduct=2c01, bcdDevice=65.03
[ 2157.955196] usb 1-12: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 2157.955199] usb 1-12: Product: Integrated Webcam
[ 2157.955202] usb 1-12: Manufacturer: SuYin
[ 2157.958597] uvcvideo: Found UVC 1.00 device Integrated Webcam (1bcf:2c01)
[ 2157.986659] input: Integrated Webcam: Integrated W as /devices/pci0000:00/0000:00:14.0/usb1/1-12/1-12:1.0/input/input101
[ 2168.693293] usb 1-12: USB disconnect, device number 64
[ 2169.021824] usb 1-12: new high-speed USB device number 65 using xhci_hcd
[ 2169.179331] usb 1-12: New USB device found, idVendor=1bcf, idProduct=2c01, bcdDevice=65.03
[ 2169.179337] usb 1-12: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 2169.179340] usb 1-12: Product: Integrated Webcam
[ 2169.179343] usb 1-12: Manufacturer: SuYin
[ 2169.185007] uvcvideo: Found UVC 1.00 device Integrated Webcam (1bcf:2c01)
[ 2169.210042] input: Integrated Webcam: Integrated W as /devices/pci0000:00/0000:00:14.0/usb1/1-12/1-12:1.0/input/input102
[ 2175.249614] usb 1-12: USB disconnect, device number 65
[ 2175.573763] usb 1-12: new high-speed USB device number 66 using xhci_hcd
[ 2175.731137] usb 1-12: New USB device found, idVendor=1bcf, idProduct=2c01, bcdDevice=65.03
[ 2175.731143] usb 1-12: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 2175.731147] usb 1-12: Product: Integrated Webcam
[ 2175.731150] usb 1-12: Manufacturer: SuYin
[ 2175.734499] uvcvideo: Found UVC 1.00 device Integrated Webcam (1bcf:2c01)
[ 2175.754927] input: Integrated Webcam: Integrated W as /devices/pci0000:00/0000:00:14.0/usb1/1-12/1-12:1.0/input/input103
有时会出现不同的消息
[24595.350828] usb 1-12: new high-speed USB device number 32 using xhci_hcd
[24595.478920] usb 1-12: Device not responding to setup address.
[24595.686871] usb 1-12: Device not responding to setup address.
[24595.894834] usb 1-12: device not accepting address 32, error -71
[24596.806940] usb usb1-port12: Cannot enable. Maybe the USB cable is bad?
[24596.807057] usb usb1-port12: attempt power cycle
[24598.243000] usb usb1-port12: Cannot enable. Maybe the USB cable is bad?
答案1
如果幸运的话，集成网络摄像头可以通过 BIOS 单独禁用。
这解决了我的问题，但它不是一个通用的解决方案。