我的内置摄像头有问题，它不再工作了。我以前用过几次，没有任何问题，但最近它停止工作了。我禁用了它，uvcvideo因为它阻止了一些使用摄像头的应用程序工作（即使不使用视频）。我的dmesg输出充斥着这些信息：
[15790.697055] usb 1-13: Product: HD Webcam [15790.697056] usb 1-13: Manufacturer: SunplusIT Inc [15790.697056] usb 1-13: SerialNumber: 01.00.00 [15790.700414] usb 1-13: USB disconnect, device number 39 [15791.080408] usb 1-13: new high-speed USB device number 40 using xhci_hcd [15791.180878] usb 1-13: New USB device found, idVendor=04f2, idProduct=b68b, bcdDevice= 0.07 [15791.180879] usb 1-13: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [15791.180880] usb 1-13: Product: HD Webcam [15791.180880] usb 1-13: Manufacturer: SunplusIT Inc [15791.180881] usb 1-13: SerialNumber: 01.00.00 [15791.184280] usb 1-13: USB disconnect, device number 40 [15791.564440] usb 1-13: new high-speed USB device number 41 using xhci_hcd [15791.664853] usb 1-13: New USB device found, idVendor=04f2, idProduct=b68b, bcdDevice= 0.07 [15791.664855] usb 1-13: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [15791.664855] usb 1-13: Product: HD Webcam [15791.664856] usb 1-13: Manufacturer: SunplusIT Inc [15791.664857] usb 1-13: SerialNumber: 01.00.00 [15791.668066] usb 1-13: USB disconnect, device number 41
看起来它一直在不断连接和断开连接。当我启用 uvcvideo 时，我收到了更多错误消息：
[16096.480786] usb 1-13: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [16096.480787] usb 1-13: Product: HD Webcam [16096.480787] usb 1-13: Manufacturer: SunplusIT Inc [16096.480788] usb 1-13: SerialNumber: 01.00.00 [16096.483978] uvcvideo: Found UVC 1.50 device HD Webcam (04f2:b68b) [16096.484051] uvcvideo: Failed to query (GET_INFO) UVC control 2 on unit 1: -71 (exp. 1). [16096.484129] uvcvideo: Failed to query (GET_INFO) UVC control 3 on unit 1: -71 (exp. 1). [16096.484208] uvcvideo: Failed to query (GET_INFO) UVC control 4 on unit 1: -71 (exp. 1). [16096.484288] uvcvideo: Failed to query (GET_INFO) UVC control 2 on unit 2: -71 (exp. 1). [16096.484367] uvcvideo: Failed to query (GET_INFO) UVC control 3 on unit 2: -71 (exp. 1). [16096.484448] uvcvideo: Failed to query (GET_INFO) UVC control 6 on unit 2: -71 (exp. 1). [16096.484528] uvcvideo: Failed to query (GET_INFO) UVC control 7 on unit 2: -71 (exp. 1). [16096.484608] uvcvideo: Failed to query (GET_INFO) UVC control 8 on unit 2: -71 (exp. 1). [16096.484688] uvcvideo: Failed to query (GET_INFO) UVC control 9 on unit 2: -71 (exp. 1). [16096.484768] uvcvideo: Failed to query (GET_INFO) UVC control 10 on unit 2: -71 (exp. 1). [16096.484848] uvcvideo: Failed to query (GET_INFO) UVC control 1 on unit 2: -71 (exp. 1). [16096.484928] uvcvideo: Failed to query (GET_INFO) UVC control 4 on unit 2: -71 (exp. 1). [16096.485007] uvcvideo: Failed to query (GET_INFO) UVC control 5 on unit 2: -71 (exp. 1). [16096.485088] uvcvideo: Failed to query (GET_INFO) UVC control 11 on unit 2: -71 (exp. 1). [16096.485250] uvcvideo: UVC non compliance - GET_DEF(PROBE) not supported. Enabling workaround. [16096.485328] uvcvideo: Failed to query (129) UVC probe control : -71 (exp. 48). [16096.485329] uvcvideo: Failed to initialize the device (-5). [16096.485663] uvcvideo: Found UVC 1.50 device HD Webcam (04f2:b68b) [16096.485813] uvcvideo: UVC non compliance - GET_DEF(PROBE) not supported. Enabling workaround. [16096.485894] uvcvideo: Failed to query (129) UVC probe control : -71 (exp. 48). [16096.485895] uvcvideo: Failed to initialize the device (-5). [16096.485965] usb 1-13: USB disconnect, device number 10
我能做什么吗？或者我的相机突然坏了？