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  1. Qt
  2. QTBUG-42037

Mac App with QtSerialPort crashes but does not crash out of QT creator

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Details

    • Bug
    • Resolution: Duplicate
    • Not Evaluated
    • 5.4.0
    • 5.3.2
    • Serial Port
    • None
    • OSX 10.9.5 with Xcode 5.1.1
    • macOS

    Description

      When attempting to run an FTDI Interface from an app on the Mac the app crashes with an EXC_BAD_ACCESS (SIGSEGV) error. This did not happen in QT5.2.1 (or lower).
      Running the exe file from within the app does not crash, running inside QTCreator does not crash either.

      QT5.2.1 outputs an error message "QSocketNotifier::Exception is not supported on iOS" This was fixed in QT5.3.2 but the fix obviously introduced the above new error/crash.

      QtSerialPort seems to need the “exception notifier“ in QSocketNotifier to run FTDI USB interfaces, explicitly the QSerialPortInfo class.

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            kuzulis Denis Shienkov
            mgams Matthias Gams
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            Dates

              Created:
              Updated:
              Resolved:

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