(gdb) bt #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f9b57e1b5ce in cc_condvar_wait () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #2 0x00007f9b57e1af2b in cc_rwmutex_write_lock () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #3 0x00007f9b57d8a440 in SoVertexShape::generateAndReadLockNormalCache(SoState*) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #4 0x00007f9b57d5221c in SoIndexedShape::getVertexData(SoState*, SoCoordinateElement const*&, SbVec3f const*&, int const*&, int const*&, int const*&, int const*&, int&, int, int&) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #5 0x00007f9b57d4b1b4 in SoIndexedLineSet::GLRender(SoGLRenderAction*) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #6 0x00007f9b57d1cb41 in SoSeparator::GLRenderBelowPath(SoGLRenderAction*) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #7 0x00007f9b57d1cb41 in SoSeparator::GLRenderBelowPath(SoGLRenderAction*) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #8 0x00007f9b57d0a203 in SoNode::GLRenderS(SoAction*, SoNode*) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #9 0x00007f9b57ad0c04 in SoAction::traverse(SoNode*) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #10 0x00007f9b57c20294 in SoChildList::traverse(SoAction*, int, int) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #11 0x00007f9b57d21750 in SoSwitch::doAction(SoAction*) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #12 0x00007f9b57d1cb41 in SoSeparator::GLRenderBelowPath(SoGLRenderAction*) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #13 0x00007f9b57d00cfd in SoGroup::GLRender(SoGLRenderAction*) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #14 0x00007f9b57d0a203 in SoNode::GLRenderS(SoAction*, SoNode*) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #15 0x00007f9b57ad0c04 in SoAction::traverse(SoNode*) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #16 0x00007f9b57c20294 in SoChildList::traverse(SoAction*, int, int) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #17 0x00007f9b57d21750 in SoSwitch::doAction(SoAction*) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #18 0x00007f9b57d1cb41 in SoSeparator::GLRenderBelowPath(SoGLRenderAction*) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #19 0x00007f9b57d1cb41 in SoSeparator::GLRenderBelowPath(SoGLRenderAction*) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #20 0x00007f9b5b70e995 in Gui::SoFCUnifiedSelection::GLRenderBelowPath (this=0x2aaf7f0, action=0x2f48ba0) at /home/tanderson/Programming/freeCad/free-cad-git/src/Gui/SoFCUnifiedSelection.cpp:531 #21 0x00007f9b57d1cb41 in SoSeparator::GLRenderBelowPath(SoGLRenderAction*) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #22 0x00007f9b57d0a203 in SoNode::GLRenderS(SoAction*, SoNode*) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #23 0x00007f9b57ad0c04 in SoAction::traverse(SoNode*) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #24 0x00007f9b57ad88b3 in SoGLRenderAction::beginTraversal(SoNode*) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #25 0x00007f9b57ad7bf3 in SoGLRenderActionP::renderSingle(SoNode*) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #26 0x00007f9b57ad8238 in SoGLRenderActionP::render(SoNode*) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #27 0x00007f9b57ad8957 in SoGLRenderAction::beginTraversal(SoNode*) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #28 0x00007f9b57ad17d2 in SoAction::apply(SoNode*) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #29 0x00007f9b5b716bdd in Gui::SoBoxSelectionRenderAction::apply (this=0x2f48ba0, node=0x2d2feb0) at /home/tanderson/Programming/freeCad/free-cad-git/src/Gui/SoFCSelectionAction.cpp:1010 #30 0x00007f9b57cca174 in SoRenderManager::renderScene(SoGLRenderAction*, SoNode*, unsigned int) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #31 0x00007f9b57ccb16f in SoRenderManager::actuallyRender(SoGLRenderAction*, int, int, int) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #32 0x00007f9b57ccb302 in SoRenderManager::renderSingle(SoGLRenderAction*, int, int, int) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #33 0x00007f9b57ccb9d1 in SoRenderManager::render(SoGLRenderAction*, int, int, int) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #34 0x00007f9b57cc9a0c in SoRenderManager::render(int, int) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #35 0x00007f9b5b77ec1b in SIM::Coin3D::Quarter::QuarterWidget::actualRedraw (this=0x1c5afc0) at /home/tanderson/Programming/freeCad/free-cad-git/src/Gui/Quarter/QuarterWidget.cpp:797 #36 0x00007f9b5b7aaed5 in Gui::View3DInventorViewer::renderScene (this=0x1c5afc0) at /home/tanderson/Programming/freeCad/free-cad-git/src/Gui/View3DInventorViewer.cpp:1441 #37 0x00007f9b5b7aa78e in Gui::View3DInventorViewer::actualRedraw (this=0x1c5afc0) at /home/tanderson/Programming/freeCad/free-cad-git/src/Gui/View3DInventorViewer.cpp:1324 #38 0x00007f9b5b77e9f0 in SIM::Coin3D::Quarter::QuarterWidget::paintEvent (this=0x1c5afc0, event=0x7fff0035b8d0) ---Type to continue, or q to quit---c at /home/tanderson/Programming/freeCad/free-cad-git/src/Gui/Quarter/QuarterWidget.cpp:728 #39 0x00007f9b595acce8 in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 #40 0x00007f9b599569fe in QFrame::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 #41 0x00007f9b59b64441 in QGraphicsView::viewportEvent(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 #42 0x00007f9b5b77eadd in SIM::Coin3D::Quarter::QuarterWidget::viewportEvent (this=0x1c5afc0, event=0x7fff0035b8d0) at /home/tanderson/Programming/freeCad/free-cad-git/src/Gui/Quarter/QuarterWidget.cpp:752 #43 0x00007f9b58de89d6 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #44 0x00007f9b5955d0fc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 #45 0x00007f9b59563870 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 #46 0x00007f9b5b50e018 in Gui::GUIApplication::notify (this=0x7fff0035cd60, receiver=0x1b98100, event=0x7fff0035b8d0) at /home/tanderson/Programming/freeCad/free-cad-git/src/Gui/Application.cpp:1559 #47 0x00007f9b58de886d in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #48 0x00007f9b595a77ad in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 #49 0x00007f9b5976d24f in QWidgetPrivate::repaint_sys(QRegion const&) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 #50 0x00007f9b5959ca17 in QWidgetPrivate::syncBackingStore() () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 #51 0x00007f9b595acf00 in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 #52 0x00007f9b575b8af1 in QGLWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtOpenGL.so.4 #53 0x00007f9b5955d11c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 #54 0x00007f9b59563870 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 #55 0x00007f9b5b50e018 in Gui::GUIApplication::notify (this=0x7fff0035cd60, receiver=0x1b98100, event=0x7fff0035bfa0) at /home/tanderson/Programming/freeCad/free-cad-git/src/Gui/Application.cpp:1559 #56 0x00007f9b58de886d in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #57 0x00007f9b59770824 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 #58 0x00007f9b5959d0a5 in QWidget::repaint(QRect const&) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 #59 0x00007f9b5959d0e3 in QWidget::repaint() () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 #60 0x00007f9b5b77ebc8 in SIM::Coin3D::Quarter::QuarterWidget::redraw (this=0x1c5afc0) at /home/tanderson/Programming/freeCad/free-cad-git/src/Gui/Quarter/QuarterWidget.cpp:787 #61 0x00007f9b5b7737d2 in SIM::Coin3D::Quarter::QuarterWidgetP::rendercb (userdata=0x1c5afc0) at /home/tanderson/Programming/freeCad/free-cad-git/src/Gui/Quarter/QuarterWidgetP.cpp:186 #62 0x00007f9b57d9a1a6 in SoSensorManager::processDelayQueue(int) () from /usr/lib/x86_64-linux-gnu/libCoin.so.80 #63 0x00007f9b5b776cc1 in SIM::Coin3D::Quarter::SensorManager::idleTimeout (this=0x1293f00) at /home/tanderson/Programming/freeCad/free-cad-git/src/Gui/Quarter/SensorManager.cpp:150 #64 0x00007f9b5b781a7e in SIM::Coin3D::Quarter::SensorManager::qt_static_metacall (_o=0x1293f00, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7fff0035c220) at /home/tanderson/Programming/freeCad/free-cad-git-build/src/Gui/Quarter/moc_SensorManager.cxx:55 #65 0x00007f9b58dfca7a in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #66 0x00007f9b58e00e0b in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #67 0x00007f9b5955d11c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 #68 0x00007f9b59563870 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 #69 0x00007f9b5b50e018 in Gui::GUIApplication::notify (this=0x7fff0035cd60, receiver=0x1294410, event=0x7fff0035c730) at /home/tanderson/Programming/freeCad/free-cad-git/src/Gui/Application.cpp:1559 #70 0x00007f9b58de886d in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #71 0x00007f9b58e184eb in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #72 0x00007f9b58e15711 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #73 0x00007f9b521e1c5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 ---Type to continue, or q to quit---c #74 0x00007f9b521e1f48 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #75 0x00007f9b521e1ffc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #76 0x00007f9b58e16031 in QEventDispatcherGlib::processEvents(QFlags) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #77 0x00007f9b596004e6 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 #78 0x00007f9b58de74f1 in QEventLoop::processEvents(QFlags) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #79 0x00007f9b58de7805 in QEventLoop::exec(QFlags) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #80 0x00007f9b58decf67 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #81 0x00007f9b5b509692 in Gui::Application::runApplication () at /home/tanderson/Programming/freeCad/free-cad-git/src/Gui/Application.cpp:1833 #82 0x000000000040bee7 in main (argc=1, argv=0x7fff0035d6f8) at /home/tanderson/Programming/freeCad/free-cad-git/src/Main/MainGui.cpp:328