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  1. Qt
  2. QTBUG-50371

Windows: OpenGL crash on start on Intel + AMD GPU (Multi-adapter) systems

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Details

    • Bug
    • Resolution: Done
    • P2: Important
    • 5.12.0 Alpha
    • 5.4.1, 5.5.1
    • GUI: OpenGL
    • Windows 10
      Intel GPU (can repro on HD4600 and also on HD 530)
      AMD GPU ( HD 7950) or AMD FirePro W5100
      Drivers: can repro with all latest Intel and AMD gfx drivers
    • 38cb72b6fd34142785d0f791218d39ccafcfe84f

    Description

      OpenGL crash on start on Intel + AMD GPU systems

      All Qt applications that try to create OepnGL context crash on my systems with Intel GPU and an AMD HD 7950.

      • Mininal repro with Qt OpenGL examples like the hellogl2
      • Qt Creator also will crash the AMD driver on start.
      • Need to have two monitors : one connected to the AMD and the other one to the Intel GPU DVI port.
      • Main Windows Display has to be set to the AMD monitor (use Win10 system / display settings as shown in the attachment)
      • To repro the crash start the application on the Intel window.

      No crash if you start the application on the AMD window / monitor.
      No crash if Intel monitor is set as the Main monitor
      No crash with other GPU vendor combinations (i.e. Intel + NVIDIA ).

      – Other OpenGL applications seem to run fine on the systems that can repro this.

      Typical system configuration for a repro:

      • Desktop motherboard + Haswell or Skylake CPU with integrated graphics like HD 4600 or HD 530
      • Also plug in an AMD HD 7950 to the PCI-e slot
      • Install Windows 10 and all the latest drivers

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              anrocha André De La Rocha (Inactive)
              ngeorgis Nikos Georgis
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              Dates

                Created:
                Updated:
                Resolved:

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