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  1. Qt
  2. QTBUG-63914

Crash after showing a Wayland Window on mesa llvmpipe

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Details

    • Bug
    • Resolution: Cannot Reproduce
    • P1: Critical
    • None
    • 5.10.0 Alpha
    • QPA: Wayland
    • None
    • Ubuntu 16.04

    Description

      The issue could be reproduced on Ubuntu (16.04, 64bit) using the mesa llvmpipe based software renderer:
      1. Start a Wayland compositor (e.g. weston or qwindow-compositor).
      2. Launch the attached QML with:

      LIBGL_ALWAYS_SOFTWARE=1 qmlscene window.qml -platform wayland

      The crash occurs after the window is shown, hidden and shown again. It first appeared when running a Qt AS (appman) auto test on Ubuntu 16.04 in a virtual machine. The assumption is that hiding the window does not clean up all resources in QtWayland. It could however also be a bug in Mesa (this is the related bug report: https://bugs.freedesktop.org/show_bug.cgi?id=96953).

      Attachments

        1. window.qml
          0.3 kB
          Bernd Weimer

        Issue Links

          relates to

          Bug - A problem which impairs or prevents the functions of the product. QTBUG-68325 Wayland client crash in VM

          • 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; Flaky tests; 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.
          • Closed
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              qt.team.graphics.and.multimedia Qt Graphics Team
              bweimer Bernd Weimer
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              Dates

                Created:
                Updated:
                Resolved:

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