Android - OpenCV Sample - face -detection - Dragonboard 8060

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Hi , i am trying to run the Face detection sample app on my Dragonboard 8060a. when the app starts i get these errors:

01-02 00:04:40.298: E/QualcommCamera(261): Qint android::get_camera_info(int, camera_info*): E
01-02 00:04:40.298: E/QualcommCamera(261): Qint android::get_camera_info(int, camera_info*): E
01-02 00:04:40.298: I/QCameraHWI(261): QCameraHardwareInterface: E
01-02 00:04:40.298: I/QCameraHWI(261): Init mPreviewState = 0
01-02 00:04:40.508: E/mm-libcamera2(261): mm_camera_open:  ctrl_fd = 28
01-02 00:04:40.508: E/mm-libcamera2(261): Errno:0
01-02 00:04:40.508: E/mm-libcamera2(261): mm_camera_open:  opened, break out while loop
01-02 00:04:40.508: E/mm-libcamera2(261): mm_camera_open:  after while loop
01-02 00:04:40.508: E/mm-libcamera2(261): mm_camera_open:  2
01-02 00:04:40.508: E/mm-libcamera2(261): mm_camera_open:  ds_fd = 34
01-02 00:04:40.508: E/mm-libcamera2(261): Errno:0
01-02 00:04:40.508: E/mm-libcamera2(261): mm_camera_open:  opened, break out while loop
01-02 00:04:40.508: E/mm-libcamera2(261): mm_camera_open:  after while loop for domain socket open
01-02 00:04:40.508: E/mm-camera(292): config_proc_CAMERA_GET_CAPABILITIES: yuv_output = 1, af_enable = 0
01-02 00:04:40.508: E/mm-libcamera2(261): mm_camera_poll_thread_launch: ch_type = 0, poll_type = 1, read fd = 35, write fd = 36
01-02 00:04:40.508: E/mm-libcamera2(261): mm_camera_poll_thread_launch: ch_type = 1, poll_type = 1, read fd = 37, write fd = 38
01-02 00:04:40.508: E/mm-libcamera2(261): mm_camera_poll_thread_launch: ch_type = 2, poll_type = 1, read fd = 39, write fd = 40
01-02 00:04:40.508: E/mm-libcamera2(261): mm_camera_poll_thread_launch: ch_type = 3, poll_type = 1, read fd = 41, write fd = 42
01-02 00:04:40.508: E/mm-libcamera2(261): mm_camera_poll_thread_launch: ch_type = 4, poll_type = 1, read fd = 43, write fd = 44
01-02 00:04:40.508: E/mm-libcamera2(261): mm_camera_poll_thread_launch: ch_type = 5, poll_type = 0, read fd = 45, write fd = 46
01-02 00:04:40.508: E/QCameraHWI_Parm(261): void android::QCameraHardwareInterface::loadTables(): E
01-02 00:04:40.508: E/mm-camera(292): config_proc_CAMERA_GET_PARM_DEF_VIDEO_SIZES: E
01-02 00:04:40.508: E/QCameraHWI_Parm(261): void android::QCameraHardwareInterface::loadTables(): X
01-02 00:04:40.508: E/QCameraHWI_Parm(261): android::status_t android::QCameraHardwareInterface::setVideoSizeTable(): E
01-02 00:04:40.508: E/QCameraHWI_Parm(261): android::status_t android::QCameraHardwareInterface::setVideoSizeTable(): X

And the device gets stuck – a reset is needed in order to continue working with it.

does anyone have an idea what the issue is?