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  1. Qt
  2. QTBUG-96285

QProcess can't be restarted

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Details

    • Bug
    • Resolution: Done
    • P2: Important
    • 6.2.0, 6.2.1, 6.3.0 Alpha
    • 6.2.0 Beta2
    • Core: Other
    • None
    • Windows
    • 4e0082a9cacfdfd0c43e6105274bc0d41dd18801 (qt/qtbase/dev) 197f6ab7312551907c0e4ba522a28a9d56cd9acf (qt/qtbase/6.2) c5a79d6dbc563719cfc71a2169cfa01156e10307 (qt/qtbase/6.1) a1f6721fc8874d0c15b723db9908d090cd422585 (qt/qtbase/6.2.0)

    Description

      If the example application is built with MSVC2019 64bit, the QProcess can't be restarted.

      To reproduce
      1) build the example in release with MSVC2019.
      2) run the project
      3) Go to task manager and kill the cmd.exe process
      -> the process is restarted
      4) Repeat kill 2-3 more times - the application crashes:

      ProcessTest::processFinished  30
ProcessTest::processFinished  29
21:31:46: The program has unexpectedly finished.

      In debug it hardly crashes.
      Not reproducible with MinGW.

      Attachments

        1. 2021-09-08 17-53-39.mp4
          1.18 MB
        2. hellotr.zip
          3 kB
        3. qprocess_stack.txt
          2 kB
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            alex1973tr Alex Trotsenko
            alexey89 alexey89
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            Dates

              Created:
              Updated:
              Resolved:

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