Program received signal SIGSEGV, Segmentation fault.
#0  /lib/x86_64-linux-gnu/libc.so.6(+0x46210) [0x7fdec3a86210]
#1  /lib/x86_64-linux-gnu/libc.so.6(+0x18d03e) [0x7fdec3bcd03e]
0000002  /usr/lib/x86_64-linux-gnu/libCoin.so.80c(cc_glglue_instance+0x158) [0x7fdec35e3ed8]
0000003  0x7fdec34861a8 in SoGLRenderActionP::isDirectRendering(SoState const*) const from /usr/lib/x86_64-linux-gnu/libCoin.so.80c+0x48
0000004  0x7fdec3488577 in SoGLRenderActionP::render(SoNode*) from /usr/lib/x86_64-linux-gnu/libCoin.so.80c+0xc7
0000005  0x7fdec34887c3 in SoGLRenderAction::beginTraversal(SoNode*) from /usr/lib/x86_64-linux-gnu/libCoin.so.80c+0xa3
0000006  0x7fdec348171a in SoAction::apply(SoNode*) from /usr/lib/x86_64-linux-gnu/libCoin.so.80c+0x28a
0000007  0x7fdec5a7023d in Gui::SoBoxSelectionRenderAction::apply(SoNode*) from /usr/lib/freecad-python3/lib/libFreeCADGui.so+0x2d
0000008  0x7fdec5b082a5 in Gui::View3DInventorViewer::renderScene() from /usr/lib/freecad-python3/lib/libFreeCADGui.so+0x145
0000009  0x7fdec5adb299 in SIM::Coin3D::Quarter::QuarterWidget::paintEvent(QPaintEvent*) from /usr/lib/freecad-python3/lib/libFreeCADGui.so+0x89
0000010  0x7fdec5ae2ee1 in SIM::Coin3D::Quarter::SoQTQuarterAdaptor::paintEvent(QPaintEvent*) from /usr/lib/freecad-python3/lib/libFreeCADGui.so+0x21
0000011  0x7fdec45262b6 in QWidget::event(QEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x286
0000012  0x7fdec45d3d52 in QFrame::event(QEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x22
0000013  0x7fdec483e421 in QGraphicsView::viewportEvent(QEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x161
0000014  0x7fdec5adb45e in SIM::Coin3D::Quarter::QuarterWidget::viewportEvent(QEvent*) from /usr/lib/freecad-python3/lib/libFreeCADGui.so+0x9e
0000015  0x7fdec40b664b in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5+0x9b
0000016  0x7fdec44e3a55 in QApplicationPrivate::notify_helper(QObject*, QEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x75
0000017  0x7fdec44ed0f0 in QApplication::notify(QObject*, QEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x330
0000018  0x7fdec58bc208 in Gui::GUIApplication::notify(QObject*, QEvent*) from /usr/lib/freecad-python3/lib/libFreeCADGui.so+0x88
0000019  0x7fdec40b693a in QCoreApplication::notifyInternal2(QObject*, QEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5+0x18a
0000020  0x7fdec451ef4a in QWidgetPrivate::sendPaintEvent(QRegion const&) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x3a
0000021  0x7fdec451f799 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x7f9
0000022  0x7fdec4520423 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x4d3
0000023  0x7fdec451f4a4 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x504
0000024  0x7fdec4520423 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x4d3
0000025  0x7fdec451f4a4 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x504
0000026  0x7fdec4520423 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x4d3
0000027  0x7fdec451f4a4 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x504
0000028  0x7fdec4520423 in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x4d3
0000029  0x7fdec451f4a4 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x504
0000030  /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5(+0x17cb8e) [0x7fdec44f5b8e]
0000031  /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5(+0x17cdc1) [0x7fdec44f5dc1]
0000032  0x7fdec450e385 in QWidgetPrivate::syncBackingStore() from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0xa5
0000033  0x7fdec4526cac in QWidget::event(QEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0xc7c
0000034  0x7fdec463b148 in QMainWindow::event(QEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x68
0000035  0x7fdec5b701ab in Gui::MainWindow::event(QEvent*) from /usr/lib/freecad-python3/lib/libFreeCADGui.so+0x18b
0000036  0x7fdec44e3a66 in QApplicationPrivate::notify_helper(QObject*, QEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x86
0000037  0x7fdec44ed0f0 in QApplication::notify(QObject*, QEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x330
0000038  0x7fdec58bc208 in Gui::GUIApplication::notify(QObject*, QEvent*) from /usr/lib/freecad-python3/lib/libFreeCADGui.so+0x88
#39  0x7fdec40b693a in QCoreApplication::notifyInternal2(QObject*, QEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5+0x18a
#40  /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5(+0x17de53) [0x7fdec44f6e53]
0000041  /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5(+0x17edb0) [0x7fdec44f7db0]
0000042  0x7fdec4510231 in QWidget::repaint(QRect const&) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x91
0000043  0x7fdec45102a0 in QWidget::repaint() from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x40
0000044  /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5(+0x260e3a) [0x7fdec45d9e3a]
0000045  0x7fdec45da035 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0xe5
0000046  0x7fdec46cd5fe in QToolButton::mouseReleaseEvent(QMouseEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0xe
0000047  0x7fdec45262b6 in QWidget::event(QEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x286
0000048  0x7fdec46cd6a8 in QToolButton::event(QEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x38
0000049  0x7fdec44e3a66 in QApplicationPrivate::notify_helper(QObject*, QEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x86
0000050  0x7fdec44ed343 in QApplication::notify(QObject*, QEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x583
0000051  0x7fdec58bc208 in Gui::GUIApplication::notify(QObject*, QEvent*) from /usr/lib/freecad-python3/lib/libFreeCADGui.so+0x88
0000052  0x7fdec40b693a in QCoreApplication::notifyInternal2(QObject*, QEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5+0x18a
0000053  0x7fdec44ec457 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x1b7
0000054  /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5(+0x1c935d) [0x7fdec454235d]
0000055  /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5(+0x1cc1ec) [0x7fdec45451ec]
0000056  0x7fdec44e3a66 in QApplicationPrivate::notify_helper(QObject*, QEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x86
0000057  0x7fdec44ed0f0 in QApplication::notify(QObject*, QEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x330
0000058  0x7fdec58bc208 in Gui::GUIApplication::notify(QObject*, QEvent*) from /usr/lib/freecad-python3/lib/libFreeCADGui.so+0x88
0000059  0x7fdec40b693a in QCoreApplication::notifyInternal2(QObject*, QEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5+0x18a
0000060  0x7fdec22e17d3 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5+0x6e3
0000061  0x7fdec22e310b in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5+0x25b
0000062  0x7fdec22bd35b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5+0xbb
0000063  /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5(+0x7932e) [0x7fdebdba132e]
0000064  /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0(g_main_context_dispatch+0x27d) [0x7fdec192efbd]
0000065  /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0(+0x52240) [0x7fdec192f240]
0000066  /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0(g_main_context_iteration+0x33) [0x7fdec192f2e3]
0000067  0x7fdec410e565 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5+0x65
0000068  0x7fdec40b54db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5+0x12b
0000069  0x7fdec40bd246 in QCoreApplication::exec() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5+0x96
0000070  0x7fdec584a92f in Gui::Application::runApplication() from /usr/lib/freecad-python3/lib/libFreeCADGui.so+0x165f
0000071  freecad(main+0x6a6) [0x55b5f4a43bd6]
0000072  /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf3) [0x7fdec3a670b3]
0000073  freecad(_start+0x2e) [0x55b5f4a43f3e]