Clicking on "Open" be it via File - Open or through button on the interface hangs kdenlive. Reproducible: Always Steps to Reproduce: 1. Open Kdenlive 2. Click in "Open" 3. Hangs. Actual Results: Kdenlive hangs/freezes. Expected Results: Open dialog to appear. (gdb) backtrace #0 0x00007ffff06d4ea0 in ?? () from /usr/lib/libQt5Core.so.5 #1 0x00007ffff06d7495 in QChar::category(unsigned int) () from /usr/lib/libQt5Core.so.5 #2 0x00007ffff0f0d6db in ?? () from /usr/lib/libQt5Gui.so.5 #3 0x00007fffe8c7de33 in ?? () from /usr/lib/libharfbuzz.so.0 #4 0x00007fffe8c60263 in hb_shape_plan_execute () from /usr/lib/libharfbuzz.so.0 #5 0x00007fffe8c5f80e in hb_shape_full () from /usr/lib/libharfbuzz.so.0 #6 0x00007ffff0e532e3 in QTextEngine::shapeTextWithHarfbuzzNG(QScriptItem const&, unsigned short const*, int, QFontEngine*, QVector<unsigned int> const&, bool, bool) const () from /usr/lib/libQt5Gui.so.5 #7 0x00007ffff0e561bc in QTextEngine::shapeText(int) const () from /usr/lib/libQt5Gui.so.5 #8 0x00007ffff0e56dbd in QTextEngine::shape(int) const () from /usr/lib/libQt5Gui.so.5 #9 0x00007ffff0e5d5ea in QTextEngine::width(int, int) const () from /usr/lib/libQt5Gui.so.5 #10 0x00007ffff0e5ee36 in QTextEngine::elidedText(Qt::TextElideMode, QFixed const&, int, int, int) const () from /usr/lib/libQt5Gui.so.5 #11 0x00007ffff0e41b34 in QFontMetrics::elidedText(QString const&, Qt::TextElideMode, int, int) const () from /usr/lib/libQt5Gui.so.5 #12 0x00007ffff19b3bde in QLineEdit::paintEvent(QPaintEvent*) () from /usr/lib/libQt5Widgets.so.5 #13 0x00007ffff18bcf18 in QWidget::event(QEvent*) () from /usr/lib/libQt5Widgets.so.5 #14 0x00007ffff19b8399 in QLineEdit::event(QEvent*) () ---Type <return> to continue, or q <return> to quit--- from /usr/lib/libQt5Widgets.so.5 #15 0x00007ffff1875e3c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5 #16 0x00007ffff187d5b1 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5 #17 0x00007ffff082cc80 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5 #18 0x00007ffff18b5cea in QWidgetPrivate::sendPaintEvent(QRegion const&) () from /usr/lib/libQt5Widgets.so.5 #19 0x00007ffff18b6339 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib/libQt5Widgets.so.5 #20 0x00007ffff18b702c in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib/libQt5Widgets.so.5 #21 0x00007ffff18b5ea4 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib/libQt5Widgets.so.5 #22 0x00007ffff18b702c in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib/libQt5Widgets.so.5 #23 0x00007ffff18b5ea4 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib/libQt5Widgets.so.5 #24 0x00007ffff18b702c in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList---Type <return> to continue, or q <return> to quit--- <QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib/libQt5Widgets.so.5 #25 0x00007ffff18b5ea4 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib/libQt5Widgets.so.5 #26 0x00007ffff18b702c in QWidgetPrivate::paintSiblingsRecursive(QPaintDevice*, QList<QObject*> const&, int, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib/libQt5Widgets.so.5 #27 0x00007ffff18b5ea4 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () from /usr/lib/libQt5Widgets.so.5 #28 0x00007ffff18860fa in ?? () from /usr/lib/libQt5Widgets.so.5 #29 0x00007ffff1886845 in ?? () from /usr/lib/libQt5Widgets.so.5 #30 0x00007ffff18d9793 in ?? () from /usr/lib/libQt5Widgets.so.5 #31 0x00007ffff1875e3c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5 #32 0x00007ffff187d5b1 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5 #33 0x00007ffff082cc80 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5 #34 0x00007ffff0d7c0cd in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () from /usr/lib/libQt5Gui.so.5 #35 0x00007ffff0d7ccdd in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib/libQt5Gui.so.5 #36 0x00007ffff0d5acbb in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEven---Type <return> to continue, or q <return> to quit--- tLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Gui.so.5 #37 0x00007fffdeaaf310 in ?? () from /usr/lib/libQt5XcbQpa.so.5 #38 0x00007fffe7c85dd7 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #39 0x00007fffe7c86040 in ?? () from /usr/lib/libglib-2.0.so.0 #40 0x00007fffe7c86362 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0 #41 0x00007fffdab2c770 in gtk_dialog_run () from /usr/lib/libgtk-3.so.0 #42 0x00007fffdb28b232 in ?? () from /usr/lib/qt/plugins/platformthemes/libqgtk3.so #43 0x00007ffff1a6265a in QDialog::exec() () from /usr/lib/libQt5Widgets.so.5 #44 0x00007ffff1a74635 in QFileDialog::getOpenFileUrl(QWidget*, QString const&, QUrl const&, QString const&, QString*, QFlags<QFileDialog::Option>, QStringList const&) () from /usr/lib/libQt5Widgets.so.5 #45 0x0000000000510fdb in ?? () #46 0x000000000084e865 in ?? () #47 0x00007ffff08584e9 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/libQt5Core.so.5 #48 0x00007ffff186f472 in QAction::triggered(bool) () from /usr/lib/libQt5Widgets.so.5 #49 0x00007ffff1871e60 in QAction::activate(QAction::ActionEvent) () from /usr/lib/libQt5Widgets.so.5 #50 0x00007ffff195e72d in ?? () from /usr/lib/libQt5Widgets.so.5 #51 0x00007ffff195e964 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libQt5Widgets.so.5 #52 0x00007ffff1a2a30a in QToolButton::mouseReleaseEvent(QMouseEvent*) () from /usr/lib/libQt5Widgets.so.5 #53 0x00007ffff18bcf18 in QWidget::event(QEvent*) () ---Type <return> to continue, or q <return> to quit--- from /usr/lib/libQt5Widgets.so.5 #54 0x00007ffff1a2a3e9 in QToolButton::event(QEvent*) () from /usr/lib/libQt5Widgets.so.5 #55 0x00007ffff1875e3c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5 #56 0x00007ffff187e46d in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5 #57 0x00007ffff082cc80 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5 #58 0x00007ffff187cb1d in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/libQt5Widgets.so.5 #59 0x00007ffff18d6fc0 in ?? () from /usr/lib/libQt5Widgets.so.5 #60 0x00007ffff18d9763 in ?? () from /usr/lib/libQt5Widgets.so.5 #61 0x00007ffff1875e3c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5 #62 0x00007ffff187d5b1 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5 #63 0x00007ffff082cc80 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5 #64 0x00007ffff0d7b0e3 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /usr/lib/libQt5Gui.so.5 #65 0x00007ffff0d7cc65 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib/libQt5Gui.so.5 #66 0x00007ffff0d5acbb in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEven---Type <return> to continue, or q <return> to quit--- tLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Gui.so.5 #67 0x00007fffdeaaf310 in ?? () from /usr/lib/libQt5XcbQpa.so.5 #68 0x00007fffe7c85dd7 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #69 0x00007fffe7c86040 in ?? () from /usr/lib/libglib-2.0.so.0 #70 0x00007fffe7c860ec in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 #71 0x00007ffff088157f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5 #72 0x00007ffff082b0da in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5 #73 0x00007ffff08335cc in QCoreApplication::exec() () from /usr/lib/libQt5Core.so.5 #74 0x0000000000486802 in ?? () #75 0x00007fffefb9a741 in __libc_start_main () from /usr/lib/libc.so.6 #76 0x0000000000486e69 in _start ()