I cant get gocv to open a window on Ubuntu 24.04

[mikolbeckwith]

Hello All,

I am on Ubuntu 24.04 and I can get most of the examples to run. I wanted to try the capwindow example and it starts up my camera but the window never appears. I don't get any errors and it will just stay like that. when I hit Ctrl-C it closes normally. Has anyone else run into this problem? The camera is fine but I can't get gocv to open a window. I used python and it was able to open the window. go and python are both using Opencv 4.12.0. Any advice would be very appreciated. I am excited to use go with Opencv.

[deadprogram]

$ cat /etc/os-release 
PRETTY_NAME="Ubuntu 24.04.3 LTS"
...

Still working for me and passes the CI tests for that part of the code.

How did you install OpenCV?

[mikolbeckwith]

I installed it using the guide on the website. I did go get the I used the make install command.

[deadprogram]

Are you able to run the command opencv_version -v and if so can you please provide the output?

[mikolbeckwith]

Here is the output:

General configuration for OpenCV 4.12.0 =====================================
  Version control:               unknown

  Extra modules:
    Location (extra):            /tmp/opencv/opencv_contrib-4.12.0/modules
    Version control (extra):     unknown

  Platform:
    Timestamp:                   2025-09-11T22:13:20Z
    Host:                        Linux 6.14.0-29-generic x86_64
    CMake:                       3.31.6
    CMake generator:             Unix Makefiles
    CMake build tool:            /usr/bin/gmake
    Configuration:               RELEASE
    Algorithm Hint:              ALGO_HINT_ACCURATE

  CPU/HW features:
    Baseline:                    SSE SSE2 SSE3
      requested:                 SSE3
    Dispatched code generation:  SSE4_1 SSE4_2 AVX FP16 AVX2 AVX512_SKX
      SSE4_1 (17 files):         + SSSE3 SSE4_1
      SSE4_2 (1 files):          + SSSE3 SSE4_1 POPCNT SSE4_2
      AVX (9 files):             + SSSE3 SSE4_1 POPCNT SSE4_2 AVX
      FP16 (0 files):            + SSSE3 SSE4_1 POPCNT SSE4_2 AVX FP16
      AVX2 (37 files):           + SSSE3 SSE4_1 POPCNT SSE4_2 AVX FP16 AVX2 FMA3
      AVX512_SKX (6 files):      + SSSE3 SSE4_1 POPCNT SSE4_2 AVX FP16 AVX2 FMA3 AVX_512F AVX512_COMMON AVX512_SKX

  C/C++:
    Built as dynamic libs?:      YES
    C++ standard:                11
    C++ Compiler:                /usr/bin/c++  (ver 14.2.0)
    C++ flags (Release):         -fsigned-char -W -Wall -Wreturn-type -Wnon-virtual-dtor -Waddress -Wsequence-point -Wformat -Wformat-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Wsuggest-override -Wno-delete-non-virtual-dtor -Wno-comment -Wimplicit-fallthrough=3 -Wno-strict-overflow -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections  -msse3 -fvisibility=hidden -fvisibility-inlines-hidden -O3 -DNDEBUG  -DNDEBUG
    C++ flags (Debug):           -fsigned-char -W -Wall -Wreturn-type -Wnon-virtual-dtor -Waddress -Wsequence-point -Wformat -Wformat-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Wsuggest-override -Wno-delete-non-virtual-dtor -Wno-comment -Wimplicit-fallthrough=3 -Wno-strict-overflow -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections  -msse3 -fvisibility=hidden -fvisibility-inlines-hidden -g  -O0 -DDEBUG -D_DEBUG
    C Compiler:                  /usr/bin/cc
    C flags (Release):           -fsigned-char -W -Wall -Wreturn-type -Waddress -Wsequence-point -Wformat -Wformat-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Wno-comment -Wimplicit-fallthrough=3 -Wno-strict-overflow -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections  -msse3 -fvisibility=hidden -O3 -DNDEBUG  -DNDEBUG
    C flags (Debug):             -fsigned-char -W -Wall -Wreturn-type -Waddress -Wsequence-point -Wformat -Wformat-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Wno-comment -Wimplicit-fallthrough=3 -Wno-strict-overflow -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections  -msse3 -fvisibility=hidden -g  -O0 -DDEBUG -D_DEBUG
    Linker flags (Release):      -Wl,--exclude-libs,libippicv.a -Wl,--exclude-libs,libippiw.a   -Wl,--gc-sections -Wl,--as-needed -Wl,--no-undefined  
    Linker flags (Debug):        -Wl,--exclude-libs,libippicv.a -Wl,--exclude-libs,libippiw.a   -Wl,--gc-sections -Wl,--as-needed -Wl,--no-undefined  
    ccache:                      NO
    Precompiled headers:         NO
    Extra dependencies:          dl m pthread rt
    3rdparty dependencies:

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

  GUI:                           NONE
    GTK+:                        NO
    VTK support:                 NO

  Media I/O: 
    ZLib:                        /usr/lib/x86_64-linux-gnu/libz.so (ver 1.3.1)
    JPEG:                        build-libjpeg-turbo (ver 3.1.0-70)
      SIMD Support Request:      YES
      SIMD Support:              NO
    WEBP:                        build (ver decoder: 0x0209, encoder: 0x020f, demux: 0x0107)
    AVIF:                        NO
    PNG:                         /usr/lib/x86_64-linux-gnu/libpng.so (ver 1.6.47)
    TIFF:                        build (ver 42 - 4.6.0)
    JPEG 2000:                   build (ver 2.5.3)
    OpenEXR:                     build (ver 2.3.0)
    GIF:                         YES
    HDR:                         YES
    SUNRASTER:                   YES
    PXM:                         YES
    PFM:                         YES

  Video I/O:
    FFMPEG:                      NO
      avcodec:                   NO
      avformat:                  NO
      avutil:                    NO
      swscale:                   NO
      avresample:                NO
    GStreamer:                   NO
    v4l/v4l2:                    YES (linux/videodev2.h)

  Parallel framework:            pthreads

  Trace:                         YES (with Intel ITT(3.25.4))

  Other third-party libraries:
    Intel IPP:                   2022.1.0 [2022.1.0]
           at:                   /tmp/opencv/opencv-4.12.0/build/3rdparty/ippicv/ippicv_lnx/icv
    Intel IPP IW:                sources (2022.1.0)
              at:                /tmp/opencv/opencv-4.12.0/build/3rdparty/ippicv/ippicv_lnx/iw
    VA:                          NO
    Lapack:                      NO
    Eigen:                       NO
    Custom HAL:                  YES (ipp (ver 0.0.1))
    Protobuf:                    build (3.19.1)
    Flatbuffers:                 builtin/3rdparty (23.5.9)

  OpenCL:                        YES (no extra features)
    Include path:                /tmp/opencv/opencv-4.12.0/3rdparty/include/opencl/1.2
    Link libraries:              Dynamic load

  Python (for build):            /usr/bin/python3

  Java:                          
    ant:                         NO
    Java:                        NO
    JNI:                         NO
    Java wrappers:               NO
    Java tests:                  NO

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

[mikolbeckwith]

Ok I figured it out. I installed GTK then rebuilt and it works now. Thank you for your response, It pointed me in the right direction.