NEON - NOT AVAILABLE error on Raspberry Pi 3B+

[flatsiedatsie]

I get the error "This OpenCV build doesn't support current CPU/HW configuration"

Raspberry Pi 3B+

OpenCV build configuration is:

General configuration for OpenCV 4.0.1 =====================================
  Version control:               4.0.1

  Extra modules:
    Location (extra):            /home/pi/rpi3-opencv/opencv_contrib/modules
    Version control (extra):     4.0.1

  Platform:
    Timestamp:                   2019-02-07T21:21:06Z
    Host:                        Linux 4.14.79-v7+ armv7l
    CMake:                       3.7.2
    CMake generator:             Unix Makefiles
    CMake build tool:            /usr/bin/make
    Configuration:               RELEASE

  CPU/HW features:
    Baseline:                    VFPV3 NEON
      requested:                 DETECT
      required:                  VFPV3 NEON

  C/C++:
    Built as dynamic libs?:      YES
    C++ Compiler:                /usr/bin/c++  (ver 6.3.0)
    C++ flags (Release):         -mtune=cortex-a53 -march=armv8-a+crc -mcpu=cortex-a53 -mfpu=crypto-neon-fp-armv8   -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Winit-self -Wsuggest-override -Wno-narrowing -Wno-delete-non-virtual-dtor -Wno-comment -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections  -mfpu=neon -mfp16-format=ieee -fvisibility=hidden -fvisibility-inlines-hidden -fopenmp -O3 -DNDEBUG  -DNDEBUG
    C++ flags (Debug):           -mtune=cortex-a53 -march=armv8-a+crc -mcpu=cortex-a53 -mfpu=crypto-neon-fp-armv8   -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Winit-self -Wsuggest-override -Wno-narrowing -Wno-delete-non-virtual-dtor -Wno-comment -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections  -mfpu=neon -mfp16-format=ieee -fvisibility=hidden -fvisibility-inlines-hidden -fopenmp -g  -O0 -DDEBUG -D_DEBUG
    C Compiler:                  /usr/bin/cc
    C flags (Release):           -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Winit-self -Wno-narrowing -Wno-comment -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections  -mfpu=neon -mfp16-format=ieee -fvisibility=hidden -fopenmp -O3 -DNDEBUG  -DNDEBUG
    C flags (Debug):             -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Winit-self -Wno-narrowing -Wno-comment -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections  -mfpu=neon -mfp16-format=ieee -fvisibility=hidden -fopenmp -g  -O0 -DDEBUG -D_DEBUG
    Linker flags (Release):      
    Linker flags (Debug):        
    ccache:                      YES
    Precompiled headers:         NO
    Extra dependencies:          dl m pthread rt
    3rdparty dependencies:

  OpenCV modules:
    To be built:                 aruco bgsegm bioinspired calib3d ccalib core cvv datasets dnn dnn_objdetect dpm face features2d flann freetype fuzzy gapi hdf hfs highgui img_hash imgcodecs imgproc java_bindings_generator line_descriptor ml objdetect optflow phase_unwrapping photo plot python2 python3 python_bindings_generator reg rgbd saliency sfm shape stereo stitching structured_light superres surface_matching text tracking ts video videoio videostab xfeatures2d ximgproc xobjdetect xphoto
    Disabled:                    cudaarithm cudabgsegm cudacodec cudafeatures2d cudafilters cudaimgproc cudaobjdetect cudaoptflow cudastereo cudawarping viz world
    Disabled by dependency:      -
    Unavailable:                 cnn_3dobj cudalegacy cudev java js matlab ovis
    Applications:                apps
    Documentation:               NO
    Non-free algorithms:         NO

  GUI: 
    QT:                          YES (ver 5.7.1)
      QT OpenGL support:         NO
    GTK+:                        NO
    VTK support:                 YES (ver 6.3.0)

  Media I/O: 
    ZLib:                        /usr/lib/arm-linux-gnueabihf/libz.so (ver 1.2.8)
    JPEG:                        /usr/lib/arm-linux-gnueabihf/libjpeg.so (ver 62)
    WEBP:                        /usr/lib/arm-linux-gnueabihf/libwebp.so (ver encoder: 0x0209)
    PNG:                         /usr/lib/arm-linux-gnueabihf/libpng.so (ver 1.6.28)
    TIFF:                        /usr/lib/arm-linux-gnueabihf/libtiff.so (ver 42 / 4.0.8)
    JPEG 2000:                   /usr/lib/arm-linux-gnueabihf/libjasper.so (ver 1.900.1)
    OpenEXR:                     /usr/lib/arm-linux-gnueabihf/libImath.so /usr/lib/arm-linux-gnueabihf/libIlmImf.so /usr/lib/arm-linux-gnueabihf/libIex.so /usr/lib/arm-linux-gnueabihf/libHalf.so /usr/lib/arm-linux-gnueabihf/libIlmThread.so (ver 2.2.0)
    HDR:                         YES
    SUNRASTER:                   YES
    PXM:                         YES
    PFM:                         YES

  Video I/O:
    DC1394:                      YES (ver 2.2.5)
    FFMPEG:                      YES
      avcodec:                   YES (ver 57.64.101)
      avformat:                  YES (ver 57.56.101)
      avutil:                    YES (ver 55.34.101)
      swscale:                   YES (ver 4.2.100)
      avresample:                YES (ver 3.1.0)
    GStreamer:                   
      base:                      YES (ver 1.10.4)
      video:                     YES (ver 1.10.4)
      app:                       YES (ver 1.10.4)
      riff:                      YES (ver 1.10.4)
      pbutils:                   YES (ver 1.10.4)
    v4l/v4l2:                    linux/videodev2.h
    gPhoto2:                     YES

  Parallel framework:            TBB (ver 4.3 interface 8006)

  Trace:                         YES (built-in)

  Other third-party libraries:
    Lapack:                      YES (/usr/lib/liblapack.so /usr/lib/libcblas.so /usr/lib/libatlas.so)
    Eigen:                       YES (ver 3.3.2)
    Custom HAL:                  YES (carotene (ver 0.0.1))
    Protobuf:                    build (3.5.1)

  OpenCL:                        YES (no extra features)
    Include path:                /usr/include
    Link libraries:              /usr/lib/arm-linux-gnueabihf/libOpenCL.so

  Python 2:
    Interpreter:                 /usr/bin/python2.7 (ver 2.7.13)
    Libraries:                   /usr/lib/arm-linux-gnueabihf/libpython2.7.so (ver 2.7.13)
    numpy:                       /usr/lib/python2.7/dist-packages/numpy/core/include (ver 1.12.1)
    install path:                lib/python2.7/dist-packages/cv2/python-2.7

  Python 3:
    Interpreter:                 /usr/bin/python3 (ver 3.5.3)
    Libraries:                   /usr/lib/arm-linux-gnueabihf/libpython3.5m.so (ver 3.5.3)
    numpy:                       /usr/lib/python3/dist-packages/numpy/core/include (ver 1.12.1)
    install path:                lib/python3.5/dist-packages/cv2/python-3.5

  Python (for build):            /usr/bin/python2.7

  Install to:                    /usr/local
-----------------------------------------------------------------



******************************************************************
* FATAL ERROR:                                                   *
* This OpenCV build doesn't support current CPU/HW configuration *
*                                                                *
* Use OPENCV_DUMP_CONFIG=1 environment variable for details      *
******************************************************************

Required baseline features:
NEON - NOT AVAILABLE
terminate called after throwing an instance of 'cv::Exception'
  what():  OpenCV(4.0.1) /home/pi/rpi3-opencv/opencv/modules/core/src/system.cpp:538: error: (-215:Assertion failed) Missing support for required CPU baseline features. Check OpenCV build configuration and required CPU/HW setup. in function 'initialize'

Aborted

[pzarzycki]

have you tried running your app with sudo? I faced today similar problem with OpenCV 4.0.1 in a complex scenario (used in library called by mono runtime). Running app with sudo worked. Without - I've go the error you mentioned.

[flatsiedatsie]

I suspect I must have tried that.

In the end, what worked somehow, is that I created a virtual python environment. After "workon name-here" it does run. Magic.

[blacklight]

I'm getting the same error on a RPi4 as well running Raspbian. It used to work until a few weeks ago, not sure if anything changed because of system upgrades. Running as root solves the issue, but running my scripts as root isn't really an option in my case. Is it possible to identify what's the root cause?

[89jd]

any update on this?