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    voxl-camera-server segmentation fault

    Video and Image Sensors
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    • P
      psafi
      last edited by

      I am seeing a pattern which voxl-camera-server will crash every time I have an image sensor plugged into a specific port (J6) on my VOXL. Could I have accidentally damaged hardware by plugging in the adapter board the wrong way?

      d5fcc6fb-3ee6-4665-a709-51e08285cca6-image.png

      P 1 Reply Last reply Reply Quote 0
      • P
        psafi @psafi
        last edited by

        @psafi with debug turned on:

        DEBUG:   Attempting to open the hal module
DEBUG:   SUCCESS: Camera module opened on attempt 0
DEBUG:   ----------- Number of cameras: 2

VERBOSE: cci-direct: using voxl_platform_mod config 1 and 2 layout
DEBUG:   Cam idx: 0, Cam slot: 0, Slave Address: 0x0030, Sensor Id: 0x0356
DEBUG:   Cam idx: 1, Cam slot: 2, Slave Address: 0x0030, Sensor Id: 0x0356
thread is locked to cores: 4 5 6 7
connected to mavlink pipe
Connected to cpu-monitor
DEBUG:   
------ voxl-camera-server: Starting IMU manager
DEBUG:   ------ voxl-camera-server: Starting 2 cameras
Starting Camera: tracking_front (id #0)
DEBUG:   Checking Gain limits for Camera: tracking_front
DEBUG:   Using gain limits min: 54 max: 1596
DEBUG:   cam ID 0 checking for fmt:   38  w: 1280 h:  800 o:   0
DEBUG:   	==> option   0: format= 34 width=1280 height= 800 is_input=0
DEBUG:   	==> option   4: format= 34 width=1280 height= 800 is_input=1
DEBUG:   	==> option   8: format= 35 width=1280 height= 800 is_input=0
DEBUG:   	==> option  12: format= 35 width=1280 height= 800 is_input=1
DEBUG:   	==> option  16: format= 33 width=1280 height= 800 is_input=0
DEBUG:   	==> option  20: format= 34 width=1280 height= 768 is_input=0
DEBUG:   	==> option  24: format= 34 width=1280 height= 768 is_input=1
DEBUG:   	==> option  28: format= 35 width=1280 height= 768 is_input=0
DEBUG:   	==> option  32: format= 35 width=1280 height= 768 is_input=1
DEBUG:   	==> option  36: format= 33 width=1280 height= 768 is_input=0
DEBUG:   	==> option  40: format= 34 width=1280 height= 720 is_input=0
DEBUG:   	==> option  44: format= 34 width=1280 height= 720 is_input=1
DEBUG:   	==> option  48: format= 35 width=1280 height= 720 is_input=0
DEBUG:   	==> option  52: format= 35 width=1280 height= 720 is_input=1
DEBUG:   	==> option  56: format= 33 width=1280 height= 720 is_input=0
DEBUG:   	==> option  60: format= 34 width=1024 height= 738 is_input=0
DEBUG:   	==> option  64: format= 34 width=1024 height= 738 is_input=1
DEBUG:   	==> option  68: format= 35 width=1024 height= 738 is_input=0
DEBUG:   	==> option  72: format= 35 width=1024 height= 738 is_input=1
DEBUG:   	==> option  76: format= 33 width=1024 height= 738 is_input=0
DEBUG:   	==> option  80: format= 34 width=1024 height= 768 is_input=0
DEBUG:   	==> option  84: format= 34 width=1024 height= 768 is_input=1
DEBUG:   	==> option  88: format= 35 width=1024 height= 768 is_input=0
DEBUG:   	==> option  92: format= 35 width=1024 height= 768 is_input=1
DEBUG:   	==> option  96: format= 33 width=1024 height= 768 is_input=0
DEBUG:   	==> option 100: format= 34 width= 864 height= 480 is_input=0
DEBUG:   	==> option 104: format= 34 width= 864 height= 480 is_input=1
DEBUG:   	==> option 108: format= 35 width= 864 height= 480 is_input=0
DEBUG:   	==> option 112: format= 35 width= 864 height= 480 is_input=1
DEBUG:   	==> option 116: format= 33 width= 864 height= 480 is_input=0
DEBUG:   	==> option 120: format= 34 width= 800 height= 600 is_input=0
DEBUG:   	==> option 124: format= 34 width= 800 height= 600 is_input=1
DEBUG:   	==> option 128: format= 35 width= 800 height= 600 is_input=0
DEBUG:   	==> option 132: format= 35 width= 800 height= 600 is_input=1
DEBUG:   	==> option 136: format= 33 width= 800 height= 600 is_input=0
DEBUG:   	==> option 140: format= 34 width= 800 height= 480 is_input=0
DEBUG:   	==> option 144: format= 34 width= 800 height= 480 is_input=1
DEBUG:   	==> option 148: format= 35 width= 800 height= 480 is_input=0
DEBUG:   	==> option 152: format= 35 width= 800 height= 480 is_input=1
DEBUG:   	==> option 156: format= 33 width= 800 height= 480 is_input=0
DEBUG:   	==> option 160: format= 34 width= 720 height= 480 is_input=0
DEBUG:   	==> option 164: format= 34 width= 720 height= 480 is_input=1
DEBUG:   	==> option 168: format= 35 width= 720 height= 480 is_input=0
DEBUG:   	==> option 172: format= 35 width= 720 height= 480 is_input=1
DEBUG:   	==> option 176: format= 33 width= 720 height= 480 is_input=0
DEBUG:   	==> option 180: format= 34 width= 640 height= 512 is_input=0
DEBUG:   	==> option 184: format= 34 width= 640 height= 512 is_input=1
DEBUG:   	==> option 188: format= 35 width= 640 height= 512 is_input=0
DEBUG:   	==> option 192: format= 35 width= 640 height= 512 is_input=1
DEBUG:   	==> option 196: format= 33 width= 640 height= 512 is_input=0
DEBUG:   	==> option 200: format= 34 width= 640 height= 480 is_input=0
DEBUG:   	==> option 204: format= 34 width= 640 height= 480 is_input=1
DEBUG:   	==> option 208: format= 35 width= 640 height= 480 is_input=0
DEBUG:   	==> option 212: format= 35 width= 640 height= 480 is_input=1
DEBUG:   	==> option 216: format= 33 width= 640 height= 480 is_input=0
DEBUG:   	==> option 220: format= 34 width= 640 height= 400 is_input=0
DEBUG:   	==> option 224: format= 34 width= 640 height= 400 is_input=1
DEBUG:   	==> option 228: format= 35 width= 640 height= 400 is_input=0
DEBUG:   	==> option 232: format= 35 width= 640 height= 400 is_input=1
DEBUG:   	==> option 236: format= 33 width= 640 height= 400 is_input=0
DEBUG:   	==> option 240: format= 34 width= 640 height= 360 is_input=0
DEBUG:   	==> option 244: format= 34 width= 640 height= 360 is_input=1
DEBUG:   	==> option 248: format= 35 width= 640 height= 360 is_input=0
DEBUG:   	==> option 252: format= 35 width= 640 height= 360 is_input=1
DEBUG:   	==> option 256: format= 33 width= 640 height= 360 is_input=0
DEBUG:   	==> option 260: format= 34 width= 352 height= 288 is_input=0
DEBUG:   	==> option 264: format= 34 width= 352 height= 288 is_input=1
DEBUG:   	==> option 268: format= 35 width= 352 height= 288 is_input=0
DEBUG:   	==> option 272: format= 35 width= 352 height= 288 is_input=1
DEBUG:   	==> option 276: format= 33 width= 352 height= 288 is_input=0
DEBUG:   	==> option 280: format= 34 width= 320 height= 240 is_input=0
DEBUG:   	==> option 284: format= 34 width= 320 height= 240 is_input=1
DEBUG:   	==> option 288: format= 35 width= 320 height= 240 is_input=0
DEBUG:   	==> option 292: format= 35 width= 320 height= 240 is_input=1
DEBUG:   	==> option 296: format= 33 width= 320 height= 240 is_input=0
DEBUG:   	==> option 300: format= 34 width= 240 height= 320 is_input=0
DEBUG:   	==> option 304: format= 34 width= 240 height= 320 is_input=1
DEBUG:   	==> option 308: format= 35 width= 240 height= 320 is_input=0
DEBUG:   	==> option 312: format= 35 width= 240 height= 320 is_input=1
DEBUG:   	==> option 316: format= 33 width= 240 height= 320 is_input=0
DEBUG:   	==> option 320: format= 34 width= 176 height= 144 is_input=0
DEBUG:   	==> option 324: format= 34 width= 176 height= 144 is_input=1
DEBUG:   	==> option 328: format= 35 width= 176 height= 144 is_input=0
DEBUG:   	==> option 332: format= 35 width= 176 height= 144 is_input=1
DEBUG:   	==> option 336: format= 33 width= 176 height= 144 is_input=0
DEBUG:   	==> option 340: format= 37 width=1280 height= 800 is_input=0
DEBUG:   	==> option 344: format= 38 width=1280 height= 800 is_input=0
DEBUG:   	==> option 348: format= 32 width=1280 height= 800 is_input=0
DEBUG:   	==> option 352: format= 36 width=1280 height= 800 is_input=0
VERBOSE: Successfully found configuration match for camera 0: 1280x800
VERBOSE: Adding preview stream for camera: 0
gbm_create_device(156): Info: backend name is: msm_drm
DEBUG:   Successfully set up pipeline for stream: PREVIEW
MISP Initializing for camera tracking_front
 Detected 1 platform(s)
 Detected 1 GPU device(s)
Estimated imu dt = 0.000976s
DEBUG:   Entering pitmode
DEBUG:   Value of pitmode_active is: 1 

Segmentation fault:
Fault thread: voxl-camera-ser(tid: 2486)
Segmentation fault
        P 1 Reply Last reply Reply Quote 0
        • P
          psafi @psafi
          last edited by psafi

          @psafi UPDATE: I re-flashed the SDK and it fixed it. voxl-camera-server is running and cameras are working. I am setting up VIO for a custom system. I believe a change I made along the way for VIO set up process could have caused this.

          Alex KushleyevA 1 Reply Last reply Reply Quote 0
          • Alex KushleyevA
            Alex Kushleyev ModalAI Team @psafi
            last edited by Alex Kushleyev

            @psafi ,

            There was a libmodal-pipe library update earlier this week, so if you have updated that library on your VOXL2, then any other library or app (which uses libmodal-pipe) that you deploy to that VOXL2 needs to be built against the same version of libmodal-pipe.

            So if you want use the latest dev version, you would update the drone.

            make sure you are using dev for apt sources:
            in /etc/apt/sources.list.d/modalai.list:

            deb [trusted=yes] http://voxl-packages.modalai.com/ ./dists/qrb5165/dev/binary-arm64/

            then update libmodal-pipe on VOXL2, this should also update any other packages that depend on it.

            apt update
apt install libmodal-pipe

            When building your application using voxl-cross docker, make sure you run the following in order to get the latest deps from dev:

            ./install_build_deps.sh qrb5165 dev

            Most of the time you can get away not doing this, but this time there was an interface change in libmodal-pipe, so a mismatch occurred.

            Alex

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