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  4. [SOLVED] Qt6 crosscompiled for pi4 raspi os 64 FAILED TO CREATE EGL CONTEXT

[SOLVED] Qt6 crosscompiled for pi4 raspi os 64 FAILED TO CREATE EGL CONTEXT

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  • Z Offline
    Z Offline
    Zavar
    wrote last edited by
    #4

    Hi @Harlock21, i'm having the same problems: (Failed to create RHI and Failed to initialize graphics backend for OpenGL). Could you share your method to fix this?

    SGaistS 1 Reply Last reply
    0
    • Z Zavar

      Hi @Harlock21, i'm having the same problems: (Failed to create RHI and Failed to initialize graphics backend for OpenGL). Could you share your method to fix this?

      SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote last edited by
      #5

      @Zavar hi and welcome to devnet,

      @Harlock21 wrote what was wrong in their last post as well as how they fixed it.

      Interested in AI ? www.idiap.ch
      Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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      • Z Offline
        Z Offline
        Zavar
        wrote last edited by
        #6

        Hi, @SGaist! I'm deploying on Ubuntu 22.04, which is not supported by linuxdeloyqt, so what I'm trying to do is using linuxdeploy and qt-plugin, which is kinda more manually than lixnuxdeployqt. I'm having the same issue and considering it as lacking of plugins/libraries. But there no tutorial to do this, and AI is not very helpful

        SGaistS 1 Reply Last reply
        0
        • Z Zavar

          Hi, @SGaist! I'm deploying on Ubuntu 22.04, which is not supported by linuxdeloyqt, so what I'm trying to do is using linuxdeploy and qt-plugin, which is kinda more manually than lixnuxdeployqt. I'm having the same issue and considering it as lacking of plugins/libraries. But there no tutorial to do this, and AI is not very helpful

          SGaistS Offline
          SGaistS Offline
          SGaist
          Lifetime Qt Champion
          wrote last edited by
          #7

          @Zavar If you want to see which plugin is missing, start your application with the QT_DEBUG_PLUGINS environment variable set to 1.

          Interested in AI ? www.idiap.ch
          Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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          • Z Offline
            Z Offline
            Zavar
            wrote last edited by Zavar
            #8

            @SGaist I try QT DEBUG PLUGINS and I didn't see anything wrong. Then I tried running with variable QT_QPA_PLATFORM=xcb helped fix the issue. Can you help me understand how this works?

            SGaistS 1 Reply Last reply
            0
            • Z Zavar

              @SGaist I try QT DEBUG PLUGINS and I didn't see anything wrong. Then I tried running with variable QT_QPA_PLATFORM=xcb helped fix the issue. Can you help me understand how this works?

              SGaistS Offline
              SGaistS Offline
              SGaist
              Lifetime Qt Champion
              wrote last edited by
              #9

              @Zavar which Linux distribution are you running ? With which desktop environment ?

              Interested in AI ? www.idiap.ch
              Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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              • Z Offline
                Z Offline
                Zavar
                wrote last edited by Zavar
                #10

                @SGaist I'm using Ubuntu24.04 with GNOME, Wayland disabled (Qt version 6.8.3)

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                • SGaistS Offline
                  SGaistS Offline
                  SGaist
                  Lifetime Qt Champion
                  wrote last edited by
                  #11

                  How did you disable Wayland ?

                  Interested in AI ? www.idiap.ch
                  Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                  Z 1 Reply Last reply
                  0
                  • SGaistS SGaist

                    How did you disable Wayland ?

                    Z Offline
                    Z Offline
                    Zavar
                    wrote last edited by
                    #12

                    @SGaist I did it by sudo nano /etc/gdm3/custom.conf -> WaylandEnable=false

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                    • SGaistS Offline
                      SGaistS Offline
                      SGaist
                      Lifetime Qt Champion
                      wrote last edited by
                      #13

                      Did you check whether you have somewhere in your environnement something that sets the QPA platform to wayland ?

                      Interested in AI ? www.idiap.ch
                      Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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