Uploaded image for project: 'Qt'
  1. Qt
  2. QTBUG-119540

[Reg 6.2.10->6.5.3][Win] Qt WebEngine hangs with software OpenGL

    XMLWordPrintable

Details

    • Bug
    • Resolution: Moved
    • P1: Critical
    • None
    • 6.5.3, 6.5.5, 6.6.1, 6.6.3
    • WebEngine
    • Windows 10 22H2, MSVC 2019 x64
    • Windows

    Description

      Steps to reproduce

      From the commit message at https://github.com/qt/qtwebengine/commit/c7d46325e635d1fb4482b53dce866e2c55026a7e :

      1. Load the WebEngine Widgets Simple Browser Example (https://doc.qt.io/qt-6/qtwebengine-webenginewidgets-simplebrowser-example.html )

       

      2. Add this to the top of main():

      qputenv("QT_OPENGL", "software");
qputenv("QTWEBENGINE_CHROMIUM_FLAGS", "--enable-webgl-software-rendering");

       

      3. Build and run the example

       

      Outcomes

      The application freezes indefinitely at startup

      Attachments

        Issue Links

          is replaced by

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-124887 [Reg 5.12 -> 5.15/6.x] Attempting to use software WebGL can freeze/crash Qt WebEngine

          • P1: Critical - Urgent and Important, will STOP the release if matched with set FixVersion field. This includes regressions from the last version that are not edge cases; Data loss; Build issues; All but the most unlikely crashes/lockups/hanging; Serious usability issues and embarrassing bugs & Bugs critical to a deliverable. This is the highest possible priority for requirements.
          • Reported
          No reviews matched the request. Check your Options in the drop-down menu of this sections header.

          Activity

            People

              qt_webengine_team Qt WebEngine Team
              skoh-qt Sze Howe Koh
              Votes:
              0 Vote for this issue
              Watchers:
              6 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved:

                Gerrit Reviews

                  There are no open Gerrit changes