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  1. Qt
  2. QTBUG-21425

QWidget(tst_qwidget) crashes often on Mac.

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    • Icon: Bug Bug
    • Resolution: Won't Do
    • Icon: P2: Important P2: Important
    • None
    • 5.0.0
    • Widgets: Widgets and Dialogs
    • None
    • Mac OS X 10.6.8 & Ubuntu Linux 10.04
    • macOS

      tst_qwidget crashes often on Mac. (qtbase/tests/auto/qwidget)
      And it warns 'BadWindow's on Linux.
      I checked it with e3990c358a5ffa0f43ab3ded018f29e468697841 (master in qt5/qtbase).

      Reason:

      QWindow's d->platformWindow(QPlatformWindow) is destroyed and created when QWindow::setScreen() is called.
      But QWidget doesn't take care of it's backing store at that time.
      So the backing store continues to use old destroyed platform window.

        1. linux.log
          15 kB
        2. mac.log
          5 kB
        3. trace_21425.txt
          45 kB
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            Unassigned Unassigned
            asaki Takumi ASAKI
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              Created:
              Updated:
              Resolved:

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