SIGBUS / SIGSEGV using FreeCAD

QObject::installEventFilter(): Cannot filter events for objects in a different thread.

FreeCAD 0.20, Libs: 0.20R28809 (Git) 

 Thread 1 "FreeCAD" received signal SIGSEGV, Segmentation fault. QObject::installEventFilter (this=0x45bbb40, obj=0x23947850) at kernel/qobject.cpp:2221 2221 if (d->threadData != obj->d_func()->threadData) { (gdb) bt #0 QObject::installEventFilter(QObject*) (this=0x45bbb40, obj=0x23947850) at kernel/qobject.cpp:2221 #1 0x00007ffff2f036aa in QAbstractItemView::commitData(QWidget*) (this=<optimized out>, editor=0x45bbb40) at itemviews/qabstractitemview.cpp:2909 #2 0x00007ffedab072a1 in SpreadsheetGui::SheetTableView::commitData(QWidget*) (this=0x2208f970, editor=0x45bbb40) at /home/system/usr/FreeCAD/src/src/Mod/Spreadsheet/Gui/SheetTableView.cpp:478 #3 0x00007ffedab0bad5 in SpreadsheetGui::SheetTableView::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=0x2208f970, _c=QMetaObject::InvokeMetaMethod, _id=9, _a=0x7fffffffb180) at /home/system/usr/FreeCAD/bin/build/src/Mod/Spreadsheet/Gui/SpreadsheetGui_autogen/include/moc_SheetTableView.cpp:272 #4 0x00007ffff2115488 in doActivate<false>(QObject*, int, void**) (sender=0x23947850, signal_index=3, argv=0x7fffffffb180) at kernel/qobject.cpp:3898 #5 0x00007ffff210e7af in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x23947850, m=m@entry=0x7ffff31c8da0 <QAbstractItemDelegate::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fffffffb180) at kernel/qobject.cpp:3946 #6 0x00007ffff2f2143f in QAbstractItemDelegate::commitData(QWidget*) (this=this@entry=0x23947850, _t1=<optimized out>, _t1@entry=0x45bbb40) at .moc/moc_qabstractitemdelegate.cpp:205 #7 0x00007ffff2f21fda in QAbstractItemDelegatePrivate::_q_commitDataAndCloseEditor(QWidget*) (editor=0x45bbb40, this=<optimized out>) at itemviews/qabstractitemdelegate.cpp:634 #8 QAbstractItemDelegate::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qabstractitemdelegate.cpp:100 #9 0x00007ffff210b28e in QObject::event(QEvent*) (this=0x23947850, e=0x212b5970) at kernel/qobject.cpp:1314 #10 0x00007ffff2c8fb0f in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=<optimized out>, receiver=0x23947850, e=0x212b5970) at kernel/qapplication.cpp:3632 #11 0x00007ffff6aaf3ce in Gui::GUIApplication::notify(QObject*, QEvent*) (this=0x7fffffffc1d0, receiver=0x23947850, event=0x212b5970) at /home/system/usr/FreeCAD/src/src/Gui/GuiApplication.cpp:84 #12 0x00007ffff20deb5a in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x23947850, event=0x212b5970) at kernel/qcoreapplication.cpp:1064 #13 0x00007ffff20e1b97 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=0x0, event_type=0, data=0x6995e0) at kernel/qcoreapplication.cpp:1821 #14 0x00007ffff2136c33 in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=s@entry=0x8011b0) at kernel/qeventdispatcher_glib.cpp:277 #15 0x00007ffff08ca122 in g_main_dispatch (context=0x7fffe4005010) at ../glib/gmain.c:3417 #16 g_main_context_dispatch (context=0x7fffe4005010) at ../glib/gmain.c:4135 #17 0x00007ffff08ca4b8 in g_main_context_iterate --Type <RET> for more, q to quit, c to continue without paging-- (context=context@entry=0x7fffe4005010, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4211 #18 0x00007ffff08ca56f in g_main_context_iteration (context=0x7fffe4005010, may_block=1) at ../glib/gmain.c:4276 #19 0x00007ffff21362b4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x80c990, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #20 0x00007ffff20dd55b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fffffffb7b0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69 #21 0x00007ffff20e5820 in QCoreApplication::exec() () at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #22 0x00007ffff695d8ef in Gui::Application::runApplication() () at /home/system/usr/FreeCAD/src/src/Gui/Application.cpp:2277 #23 0x000000000040c43f in main(int, char**) (argc=3, argv=0x7fffffffd408) at /home/system/usr/FreeCAD/src/src/Main/MainGui.cpp:290 (gdb)

Thread 1 "FreeCAD" received signal SIGBUS, Bus error. QObject::installEventFilter (this=0x5b7a870, obj=0x53816e0) at kernel/qobject.cpp:2221 2221 if (d->threadData != obj->d_func()->threadData) { (gdb) bt #0 QObject::installEventFilter(QObject*) (this=0x5b7a870, obj=0x53816e0) at kernel/qobject.cpp:2221 #1 0x00007ffff2f036aa in QAbstractItemView::commitData(QWidget*) (this=<optimized out>, editor=0x5b7a870) at itemviews/qabstractitemview.cpp:2909 #2 0x00007ffed67662a1 in SpreadsheetGui::SheetTableView::commitData(QWidget*) (this=0x2602bc0, editor=0x5b7a870) at /home/system/usr/FreeCAD/src/src/Mod/Spreadsheet/Gui/SheetTableView.cpp:478 #3 0x00007ffed676aad5 in SpreadsheetGui::SheetTableView::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=0x2602bc0, _c=QMetaObject::InvokeMetaMethod, _id=9, _a=0x7fffffffb180) at /home/system/usr/FreeCAD/bin/build/src/Mod/Spreadsheet/Gui/SpreadsheetGui_autogen/include/moc_SheetTableView.cpp:272 #4 0x00007ffff2115488 in doActivate<false>(QObject*, int, void**) (sender=0x53816e0, signal_index=3, argv=0x7fffffffb180) at kernel/qobject.cpp:3898 #5 0x00007ffff210e7af in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x53816e0, m=m@entry=0x7ffff31c8da0 <QAbstractItemDelegate::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fffffffb180) at kernel/qobject.cpp:3946 #6 0x00007ffff2f2143f in QAbstractItemDelegate::commitData(QWidget*) (this=this@entry=0x53816e0, _t1=<optimized out>, _t1@entry=0x5b7a870) at .moc/moc_qabstractitemdelegate.cpp:205 #7 0x00007ffff2f21fda in QAbstractItemDelegatePrivate::_q_commitDataAndCloseEditor(QWidget*) (editor=0x5b7a870, this=<optimized out>) at itemviews/qabstractitemdelegate.cpp:634 #8 QAbstractItemDelegate::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qabstractitemdelegate.cpp:100 #9 0x00007ffff210b28e in QObject::event(QEvent*) (this=0x53816e0, e=0xd13520) at kernel/qobject.cpp:1314 #10 0x00007ffff2c8fb0f in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=<optimized out>, receiver=0x53816e0, e=0xd13520) at kernel/qapplication.cpp:3632 #11 0x00007ffff6aaf3ce in Gui::GUIApplication::notify(QObject*, QEvent*) (this=0x7fffffffc1d0, receiver=0x53816e0, event=0xd13520) at /home/system/usr/FreeCAD/src/src/Gui/GuiApplication.cpp:84 #12 0x00007ffff20deb5a in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x53816e0, event=0xd13520) at kernel/qcoreapplication.cpp:1064 #13 0x00007ffff20e1b97 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=0x0, event_type=0, data=0x684880) at kernel/qcoreapplication.cpp:1821 #14 0x00007ffff2136c33 in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=s@entry=0x801db0) at kernel/qeventdispatcher_glib.cpp:277 #15 0x00007ffff08ca122 in g_main_dispatch (context=0x7fffe4005010) at ../glib/gmain.c:3417 #16 g_main_context_dispatch (context=0x7fffe4005010) at ../glib/gmain.c:4135 #17 0x00007ffff08ca4b8 in g_main_context_iterate --Type <RET> for more, q to quit, c to continue without paging-- (context=context@entry=0x7fffe4005010, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4211 #18 0x00007ffff08ca56f in g_main_context_iteration (context=0x7fffe4005010, may_block=1) at ../glib/gmain.c:4276 #19 0x00007ffff21362b4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x80d6d0, flags=...) at kernel/qeventdispatcher_glib.cpp:423 #20 0x00007ffff20dd55b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fffffffb7b0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69 #21 0x00007ffff20e5820 in QCoreApplication::exec() () at ../../include/QtCore/../../src/corelib/global/qflags.h:121 #22 0x00007ffff695d8ef in Gui::Application::runApplication() () at /home/system/usr/FreeCAD/src/src/Gui/Application.cpp:2277 #23 0x000000000040c43f in main(int, char**) (argc=3, argv=0x7fffffffd408) at /home/system/usr/FreeCAD/src/src/Main/MainGui.cpp:290 (gdb) q