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  1. Qt
  2. QTBUG-85730

Missing wayland callback timers fix on 5.14

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Details

    • Bug
    • Status: Closed
    • Not Evaluated
    • Resolution: Out of scope
    • 5.14.2
    • None
    • QPA: Wayland
    • None
    • Fedora 32, Gnome Wayland, Qt 5.14.2
    • Linux/Wayland

    Description

      QTBUG-82914 fixed leaking callback timers in 5.12.9:

      https://codereview.qt-project.org/c/qt/qtwayland/+/294949

      https://codereview.qt-project.org/c/qt/qtwayland/+/296293

       

      Those changes were also cherry-picked into 5.15:

      https://codereview.qt-project.org/c/qt/qtwayland/+/298454

      https://codereview.qt-project.org/c/qt/qtwayland/+/298455

       

      This was never fixed for 5.13 or 5.14. Specifically, Qt applications on Fedora (using 5.14.2) and Gnome are usually spinning at least one 100ms timer even while inactive, easily visible with strace.

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            qt.team.graphics.and.multimedia Qt Graphics Team
            special John Brooks
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            Dates

              Created:
              Updated:
              Resolved:

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