root@ubuntu:~# ros2 launch origincar_bringup usb_websocket_display.launch.py
[INFO] [launch]: All log files can be found below /root/.ros/log/2025-07-25-00-37-13-419897-ubuntu-31118
[INFO] [launch]: Default logging verbosity is set to INFO
webserver has launch
[INFO] [hobot_usb_cam-1]: process started with pid [31239]
[INFO] [hobot_codec_republish-2]: process started with pid [31241]
[INFO] [example-3]: process started with pid [31243]
[INFO] [websocket-4]: process started with pid [31245]
[example-3] [WARN] [1753375034.062890996] [example]: This is dnn node example!
[example-3] [WARN] [1753375035.535180737] [example]: Parameter:
[example-3] feed_type(0:local, 1:sub): 1
[example-3] image: config/test.jpg
[example-3] image_type: 0
[example-3] dump_render_img: 0
[example-3] is_shared_mem_sub: 1
[example-3] config_file: config/fcosworkconfig.json
[example-3] msg_pub_topic_name_: hobot_dnn_detection
[example-3] [ERROR] [1753375035.536051345] [fcos_detection_parser]: class_names length 2 is not equal to class_num 80
[example-3] [ERROR] [1753375035.536261174] [example]: Load fcos Parser config file fail
[example-3] [ERROR] [1753375035.536356381] [example]: Load config fail!
[example-3] terminate called after throwing an instance of 'rclcpp::exceptions::RCLError'
[example-3] what(): Failed to create interrupt guard condition in Executor constructor: the given context is not valid, either rcl_init() was not called or rcl_shutdown() was called., at /mnt/disk1/zhuo.wang/build_deb/cc_ws_x3/tros_ws/src/tros/rcl/rcl/src/rcl/guard_condition.c:67
[ERROR] [example-3]: process has died [pid 31243, exit code -6, cmd '/opt/tros/lib/dnn_node_example/example --ros-args --log-level warn --ros-args --params-file /tmp/launch_params_hj18bdxm --params-file /tmp/launch_params_96dvwc4e --params-file /tmp/launch_params_jfzc5ord --params-file /tmp/launch_params_8x5qhm4e --params-file /tmp/launch_params_0zu08gss'].
[hobot_usb_cam-1] [WARN] [1753375035.814324896] [hobot_usb_cam]: Camera calibration file: [/opt/tros/lib/hobot_usb_cam/config/usb_camera_calibration.yaml] does not exist!
[hobot_usb_cam-1] If you need calibration msg, please make sure the calibration file path is correct and the calibration file exists!
[hobot_usb_cam-1] [WARN] [1753375035.816146611] [hobot_usb_cam]: get camera calibration parameters failed
[hobot_usb_cam-1] [WARN] [1753375035.816394898] [hobot_usb_cam]: Start to open device /dev/video8.
[hobot_usb_cam-1] [ERROR] [1753375035.821260679] [hobot_usb_cam]: VIDIOC_S_FMT error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375035.821561882] [hobot_usb_cam]: Set camera framerate failed! 30 25 20 15 10 5 are supported.
[hobot_usb_cam-1] Use framerate:30 instead
[hobot_usb_cam-1]
[hobot_usb_cam-1] [ERROR] [1753375035.821735212] [hobot_usb_cam]: VIDIOC_REQBUFS error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375035.821841876] [hobot_usb_cam]: VIDIOC_QUERYBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375035.821925041] [hobot_usb_cam]: mmap error 22, Invalid argument
[hobot_usb_cam-1] [ERROR] [1753375035.822004790] [hobot_usb_cam]: VIDIOC_QUERYBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375035.822078622] [hobot_usb_cam]: mmap error 22, Invalid argument
[hobot_usb_cam-1] [ERROR] [1753375035.822152120] [hobot_usb_cam]: VIDIOC_QUERYBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375035.822222744] [hobot_usb_cam]: mmap error 22, Invalid argument
[hobot_usb_cam-1] [ERROR] [1753375035.822291784] [hobot_usb_cam]: VIDIOC_QUERYBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375035.822361033] [hobot_usb_cam]: mmap error 22, Invalid argument
[hobot_usb_cam-1] [WARN] [1753375035.822459364] [hobot_usb_cam]: Open & Init device /dev/video8 success.
[hobot_usb_cam-1] [ERROR] [1753375035.898490940] [hobot_usb_cam]: VIDIOC_QBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375035.898745643] [hobot_usb_cam]: VIDIOC_QBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375035.898868891] [hobot_usb_cam]: VIDIOC_QBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375035.898953889] [hobot_usb_cam]: VIDIOC_QBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375035.899029263] [hobot_usb_cam]: VIDIOC_STREAMON error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375036.623058328] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375036.825278312] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375036.855056906] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375036.855440690] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375036.986989576] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375037.151015676] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375037.219003579] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375037.251056713] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375037.315060984] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375037.351035085] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375037.415302060] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375037.415575846] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375037.416036504] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375037.416354040] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375037.416549661] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375037.416714574] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375037.417002277] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375037.417156483] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375037.417251439] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375037.417448144] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375037.417603099] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375037.417789470] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375037.447073283] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375037.483080008] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375037.515084686] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375037.579091790] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375037.615083016] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375037.647095109] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375037.711629287] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375037.747090398] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375037.843361133] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375037.879131612] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375038.011159536] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375038.143229339] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375038.175174977] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375038.207169989] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375038.239203750] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375038.307191406] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375038.339212042] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375038.503223566] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375038.539180253] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375038.571220139] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375038.635253412] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375038.671246555] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375038.703261984] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375038.735251871] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375038.767322798] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375038.899319561] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375038.935265580] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375038.967258342] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375039.163357216] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375039.331318004] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375039.559402518] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375039.691442702] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375039.727355056] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375039.759424735] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375039.791396749] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375039.823445261] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375039.859401823] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375040.023441146] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375040.055454618] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375040.087458174] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375040.123435237] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375040.155452376] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375040.187460266] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375040.219474738] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375040.255461468] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375040.287480732] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375040.319482955] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375040.351493219] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375040.387475532] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375040.419510629] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375040.451538893] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375040.483519574] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375040.519500929] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375040.551527735] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375040.583534249] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375040.615543472] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
[hobot_usb_cam-1] [ERROR] [1753375040.651505744] [hobot_usb_cam]: VIDIOC_DQBUF error 16, Device or resource busy
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