. xioctl(UVCIOC_CTRL_QUERY) failed Last Error: Device or resource busy [ERROR] [1551446004.683362375]: An exception has been thrown: get_xu(...). xioctl(UVCIOC_CTRL_QUERY) failed Last Error: Device or resource busy [FATAL] [1551446004.739934165]: Failed to load nodelet '/camera/realsense...
Failed to establish dbus connectionRealSense error calling rs2_create_device(info_list:0x55a3bec0e660, index:2): get_xu(ctrl=1) failed! Last Error: Input/output error I am getting this error now MartyG. Here is my latest full code: https://gist.github.com/richardrl/0efea5733a910ca2...
{/*部分函数省略*/structuvc_streaming*stream;structuvc_fh*handle; stream =video_drvdata(file);//获取uvc视频流ret =usb_autopm_get_interface(stream->dev->intf);//唤醒设备handle =kzalloc(sizeof *handle, GFP_KERNEL);//创建uvc句柄if(stream->dev->users ==0) {//第一次时ret =uvc_status_s...
ret = uvc_status_start(stream->dev, GFP_KERNEL);//uvc状态开始,里面提交urb } stream->dev->users++; v4l2_fh_init(&handle->vfh, &stream->vdev); v4l2_fh_add(&handle->vfh); handle->chain = stream->chain;//捆绑uvc句柄和uvc视频链 handle->stream = stream;//捆绑uvc句柄和uvc视频流 han...