Details
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Bug
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Resolution: Fixed
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P1: Critical
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6.5.2
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None
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Archlinux, sway
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Linux/Wayland
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38f5679d5 (dev), 14d7659c7 (6.6)
Description
Running this minimal example under Wayland results in a segmentation fault, unless I set the QT_QPA_PLATFORM environment-variable to xcb to use XWayland instead. When using the Xorg backend, everything works as expected.
Here is the backtrace (captured using gdb)
0x00007ffff57112a5 in QDrag::dragCursor(Qt::DropAction) const () from /usr/lib/libQt6Gui.so.6 (gdb) backtrace #0 0x00007ffff57112a5 in QDrag::dragCursor(Qt::DropAction) const () at /usr/lib/libQt6Gui.so.6 #1 0x00007ffff57124dd in QBasicDrag::updateCursor(Qt::DropAction) () at /usr/lib/libQt6Gui.so.6 #2 0x00007ffff2dbb914 in () at /usr/lib/qt6/plugins/platforms/../../../libQt6WaylandClient.so.6 #3 0x00007ffff7b9134a in () at /usr/lib/libQt6Core.so.6 #4 0x00007ffff2dbd45f in non-virtual thunk to QtWaylandClient::QWaylandDataSource::data_source_target(QString const&) () at /usr/lib/qt6/plugins/platforms/../../../libQt6WaylandClient.so.6 #5 0x00007ffff2daceb4 in QtWayland::wl_data_source::handle_target(void*, wl_data_source*, char const*) () at /usr/lib/qt6/plugins/platforms/../../../libQt6WaylandClient.so.6 #6 0x00007ffff61074f6 in () at /usr/lib/libffi.so.8 #7 0x00007ffff6103f5e in () at /usr/lib/libffi.so.8 #8 0x00007ffff6106b73 in ffi_call () at /usr/lib/libffi.so.8 #9 0x00007ffff7fb3645 in () at /usr/lib/qt6/plugins/platforms/../../../libwayland-client.so.0 #10 0x00007ffff7fb3e73 in () at /usr/lib/qt6/plugins/platforms/../../../libwayland-client.so.0 #11 0x00007ffff7fb413c in wl_display_dispatch_queue_pending () at /usr/lib/qt6/plugins/platforms/../../../libwayland-client.so.0 #12 0x00007ffff2d7b906 in () at /usr/lib/qt6/plugins/platforms/../../../libQt6WaylandClient.so.6 #13 0x00007ffff7b7d147 in QObject::event(QEvent*) () at /usr/lib/libQt6Core.so.6 #14 0x00007ffff737136b in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt6Widgets.so.6 #15 0x00007ffff7b3b718 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt6Core.so.6 #16 0x00007ffff7b3ba9b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt6Core.so.6 #17 0x00007ffff7d34854 in () at /usr/lib/libQt6Core.so.6 #18 0x00007ffff710fa31 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0 #19 0x00007ffff716ccc9 in () at /usr/lib/libglib-2.0.so.0 #20 0x00007ffff710d0e2 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0 #21 0x00007ffff7d32794 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt6Core.so.6 #22 0x00007ffff7b45623 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt6Core.so.6 #23 0x00007ffff7b3f1f8 in QCoreApplication::exec() () at /usr/lib/libQt6Core.so.6 #24 0x0000555555557641 in main(int, char**) (argc=1, argv=0x7fffffffe6a8) at ../main.cpp:10
Attachments
Issue Links
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- Closed
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