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  1. Qt
  2. QTBUG-122663

Live Preview doesn't work on Boot2Qt

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Details

    • Linux/Yocto
    • 818f8de64 (dev), 0a3b5042a (dev), e3b2386dd (6.7), bdf324871 (6.7), 393323211 (6.6), 7d1186d50 (6.6)

    Description

      QDS version in use:

      Boot2Qt version on the device: Boot2Qt 6.6.0 Raspberry Pi 4 64-bit

      The used app: Coffee machine sample:

      QDS is connected to Boot2Qt. Here's the result of "test".

      Sending echo to device...
      Device replied to echo with expected contents.
      
      
      Sending echo to device...
      Device replied to echo with expected contents.
      
      
      Checking kernel version...
      Linux 6.1.20-v8 aarch64
      
      
      Checking if specified ports are available...
      The following specified ports are currently in use: 10001
      
      
      Checking whether "generic file copy" works...
      "generic file copy" is functional.
      
      
      Checking whether "sftp" works...
      "sftp" is functional.
      
      
      Checking whether "rsync" works...
      Failed to start "rsync": "rsync" failed to start: The program "rsync" does not exist or is not executable.
      
      
      Checking if required commands are available...
      base64...
      base64 found.
      cat...
      cat found.
      chmod...
      chmod found.
      cp...
      cp found.
      cut...
      cut found.
      dd...
      dd found.
      df...
      df found.
      echo...
      echo found.
      eval...
      eval found.
      exit...
      exit found.
      kill...
      kill found.
      ls...
      ls found.
      mkdir...
      mkdir found.
      mkfifo...
      mkfifo found.
      mktemp...
      mktemp found.
      mv...
      mv found.
      printf...
      printf found.
      read...
      read found.
      readlink...
      readlink found.
      rm...
      rm found.
      sed...
      sed found.
      sh...
      sh found.
      shift...
      shift found.
      stat...
      stat found.
      tail...
      tail found.
      test...
      test found.
      touch...
      touch found.
      trap...
      trap found.
      which...
      which found.
      Device test finished successfully. 

      After executing LivePreview, the Coffee machine app displayed on the device for about 0.5 seconds and it went blank. Here is the output in the Application Output.

      21:39:17: Checking available ports...
      21:39:17: Found 101 free ports.
      "DBUS_SESSION_BUS_ADDRESS" "unix:path=/run/user/0/dbus_session_socket"
      "QTWEBENGINE_DISABLE_SANDBOX" "1"
      "QT_IM_MODULE" "qtvirtualkeyboard"
      "QT_QPA_EGLFS_FORCE888" "1"
      "QT_QPA_EGLFS_KMS_ATOMIC" "0"
      "QT_QPA_PLATFORM" "eglfs"
      "WAYLAND_DISPLAY" "/run/wayland-0"
      "XDG_RUNTIME_DIR" "/run/user/0"
      "/usr/bin/qml" QList("-qmljsdebugger=port:10001,block,services:QmlPreview,DebugTranslation", "-I", "/opt/CoffeeMachine/imports", "-I", "/opt/CoffeeMachine/asset_imports", "/opt/CoffeeMachine/content/App.qml")
      QML Debugger: Waiting for connection on port 10001...
      Could not queue DRM page flip on screen HDMI1 (Device or resource busy)
      Could not queue DRM page flip on screen HDMI1 (Device or resource busy)
      Could not queue DRM page flip on screen HDMI1 (Device or resource busy) 

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              lagocs Laszlo Agocs
              mikio_hirai Mikio Hirai
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              Dates

                Created:
                Updated:
                Resolved: