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  1. Qt
  2. QTBUG-111185

Running any Qt WASM app on Safari causes system to freeze and crash (panic)

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Details

    • Bug
    • Resolution: Out of scope
    • P1: Critical
    • None
    • 6.4.2, 6.5.0 Beta2
    • Other
    • None
    • Safari Version 16.3 (18614.4.6.1.5)
      macOS 13.2 (22D49)
      Qt Creator 9.0.1
    • macOS, WebAssembly

    Description

      Steps to reproduce:

      1. Build and run any Qt example. e.g.: https://doc.qt.io/qt-6/qtquickcontrols-gallery-example.html 
      2. Open the app on Safari. 

       

      Expected: The app shows up in the browser.

       

      Actual: Only the Qt logo shows up with the message 'compiling' and after 2 minutes system crashes. 

       

      panic(cpu 2 caller 0xffffff8017131941): userspace watchdog timeout: no successful checkins from WindowServer in 120 seconds
      service: logd, total successful checkins in 56716 seconds: 5570, last successful checkin: 0 seconds ago
      service: WindowServer, total successful checkins in 56681 seconds: 5550, last successful checkin: 120 seconds ago
      service: remoted, total successful checkins in 56716 seconds: 5566, last successful checkin: 0 seconds ago
      service: opendirectoryd, total successful checkins in 56716 seconds: 5569, last successful checkin: 0 seconds ago
      service: configd, total successful checkins in 56716 seconds: 5567, last successful checkin: 0 seconds agoPanicked task 0xffffffa26aad6208: 3 threads: pid 134: watchdogd
      Backtrace (CPU 2), panicked thread: 0xffffff9d9faf6598, Frame : Return Address 

       

      Reproducibility: 100%

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              sorvig Morten Sørvig
              lkos Łukasz Kosiorowski
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              Dates

                Created:
                Updated:
                Resolved:

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