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  1. Qt
  2. QTBUG-72538

Eglfs: Could not queue DRM page flip on screen on RaspberryPi

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    Details

    • Type: Bug
    • Status: Reported
    • Priority: P3: Somewhat important
    • Resolution: Unresolved
    • Affects Version/s: 5.12.0
    • Fix Version/s: None
    • Component/s: QPA: EGLFS
    • Labels:
      None
    • Environment:
      Raspberry Pi 3B+, Raspberrian November 2018
    • Platform/s:
      Linux/X11

      Description

      When I try to start example on Raspberry Pi with eglfs platform I get:

      pi@raspberrypi:~ $ ./qopenglwidget  
      MESA-LOADER: failed to retrieve device information
      MESA-LOADER: failed to retrieve device information
      MESA-LOADER: failed to retrieve device information
      Setting framebuffer size is only available with DRM atomic API
      Failed to move cursor on screen HDMI1: -13
      No usable crtc/encoder pair for connector "Composite1"
      Could not set cursor on screen HDMI1: -13
      Could not set cursor on screen HDMI1: -13
      Could not set cursor on screen HDMI1: -13
      Could not set DRM mode for screen HDMI1 (Permission denied)
      Could not queue DRM page flip on screen HDMI1 (Permission denied)
      ..... (Endless lines "Could not queue DRM page flip on screen HDMI1 (Permission denied)") ....

       

       

       

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            Assignee:
            lagocs Laszlo Agocs
            Reporter:
            bitok BiTOk
            Votes:
            1 Vote for this issue
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            8 Start watching this issue

              Dates

              Created:
              Updated:

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