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Details

Type: Bug
Resolution: Unresolved
Priority: P3: Somewhat important
Fix Version/s: None
Affects Version/s: 5.5.1, 5.6.0 Beta
Component/s: Network
Labels:
None
Environment:

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MacBook Air, OS X El Capitan 10.11.2
MacBook Pro, OS X Yosemite 10.10.5
Qt 5.5.1 - http://download.qt.io/official_releases/qt/5.5/5.5.1/qt-opensource-mac-x64-clang-5.5.1.dmg
Qt 5.6.0 beta - http://download.qt.io/snapshots/qt/5.6/5.6.0-beta/235/qt-opensource-mac-x64-clang-5.6.0-beta_235.dmg

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MacBook Air, OS X El Capitan 10.11.2 MacBook Pro, OS X Yosemite 10.10.5 Qt 5.5.1 - http://download.qt.io/official_releases/qt/5.5/5.5.1/qt-opensource-mac-x64-clang-5.5.1.dmg Qt 5.6.0 beta - http://download.qt.io/snapshots/qt/5.6/5.6.0-beta/235/qt-opensource-mac-x64-clang-5.6.0-beta_235.dmg

Platform/s:

macOS

Description

If write simple application

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);

    QNetworkAccessManager *networkManager = new QNetworkAccessManager;

    return app.exec();
}

then it starts load CPU up to 99% (periodically).
I can reproduce this on MacBook Air and MacBook Pro. On Mac Mini with OS X Yosemite 10.10.5 this simple app uses 0,5-1% of CPU (also periodically).

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MacBookAir.png
61 kB
26 Dec '15 22:13
MacBookPro.png
104 kB
26 Dec '15 22:13
out.txt
553 kB
26 May '16 06:41
QTBUG-50181.tgz
0.4 kB
28 Dec '15 09:37

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Activity

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Assignee:: Richard Moore (qtnetwork)

Reporter:: Kirill Bukaev

Votes:: 9 Vote for this issue

Watchers:: 16 Start watching this issue

Dates

Created:: 26 Dec '15 22:13

Updated:: 14 Feb '22 12:13

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