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  1. Qt
  2. QTBUG-54248

createdibsection failed when enlarge the subwindow size and much memory used in main program

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Not Evaluated
    • Resolution: Incomplete
    • Affects Version/s: 5.6.0, 5.10.1
    • Fix Version/s: None
    • Component/s: QPA: Windows
    • Labels:
      None
    • Environment:
      windows 10, Qt creator 3.6.1, Qt 5.6.0

      Description

      When much memory (about 1.2GB) is used in my Qt application, one new window (subclass of QWidget) for QGraphicsView shown caused the issue "createdib: createdibsection failed." , then the application crashed immediately. But the total memory in machine is 16GB which is large enough.
      Additionally, sometimes the new window can be shown normally but it crashed when the window size was enlarged. And the debugging of resizeEvent is correct.

        Attachments

        1. call stack.png
          call stack.png
          17 kB
        2. crash-.png
          crash-.png
          25 kB
        3. image-2018-12-21-18-57-28-531.png
          image-2018-12-21-18-57-28-531.png
          16 kB
        4. image-2019-04-18-12-32-08-898.png
          image-2019-04-18-12-32-08-898.png
          168 kB
        5. ok.png
          ok.png
          43 kB
        6. output.png
          53 kB

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              Assignee:
              kleint Friedemann Kleint
              Reporter:
              lychen ly chen
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                Dates

                Created:
                Updated:
                Resolved:

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