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balena-io-experimental / balena-rpi-python-picamera

balena + python + raspberry pi camera module
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picamera.exc.PiCameraMMALError: Failed to create MMAL component b'vc.camera_info': I/O error #13

Closed iball8 closed 6 years ago

iball8 commented 6 years ago

Using Raspberry Pi 3 Model B with Raspberry Pi camera v1.3 5MP. Not sure why I'm getting error in the title.

Docker File FROM resin/%%RESIN_MACHINE_NAME%%-python

ENV INITSYSTEM on

RUN sudo apt-get update RUN sudo apt-get install python3 python3-dev python3-pip python3-rpi.gpio git libraspberrypi-bin python3-smbus RUN READTHEDOCS=True pip3 install picamera RUN git clone https://github.com/adafruit/Adafruit_Python_GPIO.git \ && cd Adafruit_Python_GPIO \ && sudo python3 setup.py install RUN git clone https://github.com/aws/aws-iot-device-sdk-python.git \ && cd aws-iot-device-sdk-python \ && sudo python3 setup.py install

COPY . /usr/src/app WORKDIR /usr/src/app

CMD ["bash","start.sh"]

start.sh modprobe i2c-dev && modprobe v4l2_common && python3 /usr/src/app/main.py

main.py import picamera camera = picamera.PiCamera() def Camera(): camera.resolution = (1024, 768) camera.start_preview()

Camera warm-up time

    time.sleep(2)
    camera.capture('/data/image.jpg')
    print("Picture Taken")

while True: Camera(): time.sleep(60)

LOGS 17.04.18 00:59:14 (+0000) Traceback (most recent call last): 17.04.18 00:59:14 (+0000) File "/usr/src/app/main.py", line 107, in 17.04.18 00:59:14 (+0000) camera = picamera.PiCamera() 17.04.18 00:59:14 (+0000) File "/usr/local/lib/python3.4/dist-packages/picamera/camera.py", line 367, in init 17.04.18 00:59:14 (+0000) with mo.MMALCameraInfo() as camera_info: 17.04.18 00:59:14 (+0000) File "/usr/local/lib/python3.4/dist-packages/picamera/mmalobj.py", line 2346, in init 17.04.18 00:59:14 (+0000) super(MMALCameraInfo, self).init() 17.04.18 00:59:14 (+0000) File "/usr/local/lib/python3.4/dist-packages/picamera/mmalobj.py", line 633, in init 17.04.18 00:59:14 (+0000) prefix="Failed to create MMAL component %s" % self.component_type) 17.04.18 00:59:14 (+0000) File "/usr/local/lib/python3.4/dist-packages/picamera/exc.py", line 184, in mmal_check 17.04.18 00:59:14 (+0000) raise PiCameraMMALError(status, prefix) 17.04.18 00:59:14 (+0000) picamera.exc.PiCameraMMALError: Failed to create MMAL component b'vc.camera_info': I/O error

iball8 commented 6 years ago

Solved! Needed to change environmental variables. RESIN_HOST_CONFIG_gpu_mem to 128 RESIN_HOST_CONFIG_start_x to 1 in the fleet or device configuration.