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    Bug 
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    Resolution: Done
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    P1: Critical 
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    5.6.2, 5.7.1, 5.8.0 RC
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    Windows (64 bit), macOS 10.12
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        979c8b746b56b8e68acf47b5af2eecf834043b50 124b9a6ff89da8be83a256135ec6c4d0603e9a6f
With attached test program QUdpSocket::readyRead() signal stops firing while new UDP packets are reveived (and QUdpSocket::hasPendingDatagrams() returns true).
With Qt5.7.1 there are additional spurious readyRead() signals (QUdpSocket::pendingDatagramSize() call in the connected slot returns -1).
I believe the problem is an incomplete fix for QTBUG-46552, see [1] for description (and legacy suggested fix).
- relates to
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                    QTBUG-62083 Windows: WM_USER to a different HWND in the message queue does not turn on the socket notifiers again -         
- Closed
 
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