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  1. Qt
  2. QTBUG-136252

Crash when changing screen resolution

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    • Icon: Bug Bug
    • Resolution: Incomplete
    • Icon: P1: Critical P1: Critical
    • None
    • 5.15.16, 6.8.3
    • GUI: Window management
    • None
    • Windows

      We have an application that uses widgets. When changing the resolution from 4K to low and rotating the image, a crash is observed.

      It was also noticed that this happens when recreating windows, which is called from a slot that is connected to the QScreen::geometryChanged signal. If you use Qt::QueuedConnection to connect to the signal, the problem does not occur.

      Tested with versions qt 5.15.16 and qt 6.8.3. Crash in both cases.

      Call stack in the attached screenshot.

        1. screen.png
          screen.png
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            owolff Oliver Wolff
            dchapyshev_corp Dmitrii Chapyshev
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