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  1. Qt
  2. QTBUG-70749

Creating a QApplication with Qt5.11.2 blocks for a very short time any other QApplication running at Ubuntu

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Details

    • Bug
    • Resolution: Duplicate
    • P3: Somewhat important
    • None
    • 5.11.2
    • Widgets: Widgets and Dialogs
    • None
    • This was tested with 3 differnts PC's using Ubunut. All pc's showed same issue with Qt5.1.2
    • Linux/X11

    Description

      In Ubuntu, when a new QApplication is created/instantied with "QApplication app(argc, argv);" any other Qt application running at the moment blocks for a very short time. It's really a very very short time, but still perceptive cause app really blocks for some milliseconds. This happen only with Qt Applications. and only with version 5.11.2. With Qt5.9.6 this problem dosen't happen. 

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          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-70760 QT 5.11.2 causes stutter opening Applications on Linux

          • P2: Important - Urgent, should be fixed, but will not stop the release.
          • Closed

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            People

              qt.team.quick.subscriptions Qt Quick and Widgets Team
              mr.schmitz Helmuth Schmitz
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              Dates

                Created:
                Updated:
                Resolved: