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  1. Qt
  2. QTBUG-101444

QSerialPort: trouble with high baud rates / waitForReadyRead() stalls

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    Details

    • Platform/s:
      Windows
    • Story Points:
      8
    • Commits:
      01e0371f9d (qt/tqtc-qtserialport/5.15) f3a306a30f (qt/qtserialport/dev) f3a306a30f (qt/tqtc-qtserialport/dev) b71e60fbed (qt/tqtc-qtserialport/6.2) 6d5b4b3d71 (qt/qtserialport/6.3) 0f5d0b4bb2 (qt/qtserialport/6.4) 6d5b4b3d71 (qt/tqtc-qtserialport/6.3)
    • Sprint:
      Team A Foundation Sprint 58, Team A Foundation Sprint 59

      Description

      With sufficiently high baud rates (> 115200) it appears that the synchronous functions will stall. This problem did not occur in early 5.12 versions.

      This should be possible to reproduce with the blocking examples at https://doc.qt.io/qt-5.15/qtserialport-examples.html .

      Reported occurring with MSVC 2017. No information if it is different when other compilers are used

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              Assignee:
              ivan.solovev Ivan Solovev
              Reporter:
              miikapernu Miika Pernu
              PM Owner:
              Vladimir Minenko Vladimir Minenko
              RnD Owner:
              Alex Blasche Alex Blasche
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              4 Start watching this issue

                Dates

                Created:
                Updated:
                Resolved: