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18.04 版中的某些应用程序无法识别 USB 摄像头

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18.04 版中的某些应用程序无法识别 USB 摄像头

我刚刚安装了 18.04 MATE。我有两个摄像头可用，一个是内置的，另一个是 USB 摄像头。在 16.04 中，cheese 可以看到这两个摄像头（Cheese->Preferences->Webcam）。在 18.04 中，cheese 只注册了内置摄像头。但是，guvcview 和 vlc 可以看到另一个摄像头。我尝试使用 dconf 编辑器，但没有效果。

dsmesg 报告：

16.354843] Linux video capture interface: v2.00
[   16.374078] uvcvideo: Found UVC 1.00 device SCMOS02000KPB (053a:9230)
[   16.378130] uvcvideo 2-1:1.0: Entity type for entity Processing 2 was not initialized!
[   16.378133] uvcvideo 2-1:1.0: Entity type for entity Extension 6 was not initialized!
[   16.378135] uvcvideo 2-1:1.0: Entity type for entity Camera 1 was not initialized!
[   16.378231] input: SCMOS02000KPB: SCMOS02000KPB as /devices/pci0000:00/0000:00:14.0/usb2/2-1/2-1:1.0/input/input20
[   16.380953] uvcvideo: Found UVC 1.00 device HD WebCam (04f2:b452)
[   16.392232] uvcvideo 2-7:1.0: Entity type for entity Extension 4 was not initialized!
[   16.392236] uvcvideo 2-7:1.0: Entity type for entity Processing 2 was not initialized!
[   16.392240] uvcvideo 2-7:1.0: Entity type for entity Camera 1 was not initialized!
[   16.392358] input: HD WebCam: HD WebCam as /devices/pci0000:00/0000:00:14.0/usb2/2-7/2-7:1.0/input/input21
[   16.393383] usbcore: registered new interface driver uvcvideo
[   16.393385] USB Video Class driver (1.1.1)

有人有什么建议吗？或者这只是一个错误？

谢谢

答案1

dmesg 报告中的问题无害，不会影响 Cheese。以下是有关消息的详细信息：https://bugzilla.kernel.org/show_bug.cgi?id=111291#c9

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