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  1. Qt
  2. QTBUG-121997

BUS ERROR in examples/positioning/satelliteinfo on aarch64

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    • 8fdea76d3 (dev), 00e7e3c89 (6.7), 949b17999 (6.6), 0aad93eda (tqtc/lts-6.5)

    Description

      This is about a 2 months old Qt6-dev snapshot (20231130) cross-compiled for aarch64.

      The "satelliteinfo" example is failing to run, and exits with SIGBUS.

      First I get the error message

      qt.positioning.geoclue2: Unable to obtain the client patch: "org.freedesktop.DBus.Error.ServiceUnknownThe name org.freedesktop.GeoClue2 was not provided by any .service files"

      Then I get "bus error". Running under GDB gives me:

      Thread 1 "satelliteinfo" received signal SIGBUS, Bus error.
      0x0000007ff6103848 in QCoreApplicationPrivate::lockThreadPostEventList(QObject*) () from /home/builder/dest/qt6-dev-debug-20231130-c0f9a303-RPiOS_11_arm64/lib/libQt6Core.so.6
      (gdb) bt
      #0  0x0000007ff6103848 in QCoreApplicationPrivate::lockThreadPostEventList(QObject*) () at /home/builder/dest/qt6-dev-debug-20231130-c0f9a303-RPiOS_11_arm64/lib/libQt6Core.so.6
      #1  0x0000007ff6103a24 in QCoreApplication::postEvent(QObject*, QEvent*, int) () at /home/builder/dest/qt6-dev-debug-20231130-c0f9a303-RPiOS_11_arm64/lib/libQt6Core.so.6
      #2  0x0000007ff614c158 in QObject::deleteLater() () at /home/builder/dest/qt6-dev-debug-20231130-c0f9a303-RPiOS_11_arm64/lib/libQt6Core.so.6
      #3  0x0000007fe8d4c4c4 in QtPrivate::QCallableObject<QGeoPositionInfoSourceGeoclue2::createClient()::$_0, QtPrivate::List<QDBusPendingCallWatcher*>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) ()
          at /home/builder/dest/qt6-dev-debug-20231130-c0f9a303-RPiOS_11_arm64/plugins/position/libqtposition_geoclue2.so
      #4  0x0000007ff61569c4 in void doActivate<false>(QObject*, int, void**) () at /home/builder/dest/qt6-dev-debug-20231130-c0f9a303-RPiOS_11_arm64/lib/libQt6Core.so.6
      #5  0x0000007ff56db164 in QtPrivate::QCallableObject<QDBusPendingCallWatcherHelper::add(QDBusPendingCallWatcher*)::$_0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*) ()
          at /home/builder/dest/qt6-dev-debug-20231130-c0f9a303-RPiOS_11_arm64/lib/libQt6DBus.so.6
      #6  0x0000007ff614a9dc in QObject::event(QEvent*) () at /home/builder/dest/qt6-dev-debug-20231130-c0f9a303-RPiOS_11_arm64/lib/libQt6Core.so.6
      #7  0x0000007ff6102c70 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /home/builder/dest/qt6-dev-debug-20231130-c0f9a303-RPiOS_11_arm64/lib/libQt6Core.so.6
      #8  0x0000007ff610422c in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /home/builder/dest/qt6-dev-debug-20231130-c0f9a303-RPiOS_11_arm64/lib/libQt6Core.so.6
      #9  0x0000007ff6372ea4 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /home/builder/dest/qt6-dev-debug-20231130-c0f9a303-RPiOS_11_arm64/lib/libQt6Core.so.6
      #10 0x0000007ff5767bc8 in g_main_context_dispatch () at /lib/aarch64-linux-gnu/libglib-2.0.so.0
      #11 0x0000007ff5767e5c in  () at /lib/aarch64-linux-gnu/libglib-2.0.so.0
      #12 0x0000007ff5767f24 in g_main_context_iteration () at /lib/aarch64-linux-gnu/libglib-2.0.so.0
      #13 0x0000007ff6372570 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /home/builder/dest/qt6-dev-debug-20231130-c0f9a303-RPiOS_11_arm64/lib/libQt6Core.so.6
      #14 0x0000007ff610e6dc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /home/builder/dest/qt6-dev-debug-20231130-c0f9a303-RPiOS_11_arm64/lib/libQt6Core.so.6
      #15 0x0000007ff6103490 in QCoreApplication::exec() () at /home/builder/dest/qt6-dev-debug-20231130-c0f9a303-RPiOS_11_arm64/lib/libQt6Core.so.6
      #16 0x0000005555576d08 in main ()
      

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              ivan.solovev Ivan Solovev
              jimis Dimitrios Apostolou
              Vladimir Minenko Vladimir Minenko
              Alex Blasche Alex Blasche
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