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在“编写您的第一个内核修补程序”一节中，我们对'uvcvideo‘驱动程序进行更改并重新编译它。但我就是不能让它起作用。正如教程所提到的，我添加了pr_info()函数。const struct uvc_device_info *)id->driver_info; int ret;
pr_info("I changed uvcvideo
浏览 0提问于2023-03-22得票数 0
回答已采纳
我启用了模块跟踪，如：，它给了我uvcvideo:Marking buffer as bad (error bit set
浏览 7修改于2017-05-23得票数 0
回答已采纳
检测摄像头是否处于打开状态很容易通过 cat /sys/module/uvcvideo/refcnt 如果输出为0，则没有应用程序正在使用网络摄像头，否则就是。
浏览 31修改于2020-09-11得票数 1
回答已采纳
[ 6441.309222] uvcvideo: uvc_dequeue_buffer is timeout!![ 6441.309347] uvcvideo: uvc_dequeue_buffer is timeout!![ 6441.309458] uvcvideo: uvc_dequeue_buffer is timeout!![ 6441.309612] uvcvideo: uvc_dequeue_buffer is timeout!![ 6441.309795] uvcvideo: uvc_de
浏览 0提问于2015-04-08得票数 0
RTL 8153 USB 3.0 hub with gigabit ethernet
[ 1535.943470] uvcvideo: Failed to[ 1828.434872] uvcvideo: Found UVC 1.00 device ASUS Xtion2 R
浏览 9提问于2017-07-22得票数 2
Jan 21 08:48:52 kernel: [ 612.294270] uvcvideo: Frame complete (FID bit toggled).Jan 21 08:48:52 kernel: [ 612.294686] uvcvideo: Frame complete (EOF found).Jan 21 08:48:52 kernel: [ 612.294888] uvcvideo: Dropping payload (out of sync).Jan 21 08:48:52 kernel: [ 612.295094]
浏览 0提问于2022-01-26得票数 2
回答已采纳
然后但还是不起作用。[ 13.890312] uvcvideo 1-1.5:1.0: Entity type for entity Camera 1 was not initialized![ 13.890460] usbcore: registered new interface driver uvcvideo
[ 212.279744] uvcvideo: Failed to query] uvcvideo: Failed to resubmi
浏览 0提问于2019-03-23得票数 0
回答已采纳
我在终端中执行了以下命令并获得了输出：lsmod \ grep uvcvideouvcvideo视频86016 0 videobuf2_vmalloc 16384 1 uvcvideo视频videobuf2_v4l2 24576 1 uvcvideo视频videobuf2_core 40960 2 videobuf2_v4l2，uvcvideo视频视频开发184320 3 videobuf2_core，videobuf2_v4l2，uvcvideo视频媒体40960
浏览 0提问于2018-10-27得票数 0
6.170158] uvcvideo: Found UVC 1.00 device Webcam C170 (046d:082b)6.576261] <e
浏览 0修改于2021-08-13得票数 0
我谷歌我的问题，我发现一些网页说，我应该重新启用uvcvideo模块。我是由sudo modprobe -r uvcvideo && sudo modprobe uvcvideo做的，但问题没有解决。这是我的一些命令的结果：uvcvideo 86016 0
videobuf2_vmalloc 16384 1 uvcvideovideobuf2_v4l2 24576 1 uvcvide
浏览 0修改于2018-12-20得票数 5
] usbcore: registered new interface driver uvcvideo[569.042808] usbcore: deregistering interface driver uvcvideo[ 595.775370] uvcvideo: Failed to query (1
浏览 0提问于2010-12-13得票数 3
回答已采纳
LifeCam NX-3000 (UVC-compliant)[ 16.552513] uvcvideo: Found UVC 1.00 deviceMicrosoft LifeCam NX-3000 (045e:0721)[ 16.554225] uvcvideo: Failed to qu
浏览 0修改于2013-10-04得票数 0
下面是dmesg的输出：usb 2-5: Product: USB 2.0 Camera以下是我在启动时遇到的uvcvideo错误：.. kernel: [ 1046.127803] uvcvideo
浏览 0修改于2021-11-17得票数 2
videodev: Linux video capture interface: v2.00[ 72.848476] videodev: Linux videocapture interface: v2.00
[ 72.857832] usbcore: registered new interfa
浏览 0修改于2021-06-09得票数 2
dsmesg报告：[ 16.374078] uvcvideo: Found UVC 1.00 device[ 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 initiali
浏览 0修改于2018-04-29得票数 3
5回答
videodevblacklist videobuf2_memopsblacklist uvcvideo但是lsmod给了我(在重新启动之后)：uvcvideo 80885 0 videobuf2_memops 13362 1 v
浏览 0修改于2017-04-13得票数 10
回答已采纳
1回答
以下命令给出了这些结果：videobuf2_vmalloc 13048 1uvcvideo videodev 107508 2 uvcvideo,videobuf2
浏览 0修改于2014-02-02得票数 0
uvcvideovideobuf2_v4l2 24576 1 uvcvideovideodev 225280 3 videobuf2_v4l2,uvcvideo+0.004001] uvcvideo: Failed to resubmit vide
浏览 0提问于2020-05-26得票数 7
回答已采纳
[ 3.161694] uvcvideo 1-6:1.0: Entity type for entity Extension 4 was not initialized![ 3.161696] uvcvideo 1-6:1.0: Entity type for entity Extension 7 was not initialized![ 3.161698] uvcvideo 1-6:1.0: Entity type for entity Camera 1 was not initialized
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