. Thread 4 (Thread 0x7f486b1dc700 (LWP 3504)): #0 0x00007f487f0fad84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #1 0x00007f487c9dc222 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4 No symbol table info available. #2 0x00007f487c9dc259 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4 No symbol table info available. #3 0x00007f487f0f6e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #4 0x00007f487f3fe4bd in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #5 0x0000000000000000 in ?? () No symbol table info available. . Thread 3 (Thread 0x7f486bfff700 (LWP 3503)): #0 0x00007f487f3f2b03 in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f487e81eff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007f487e81f45a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007f487963b2c6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #4 0x00007f487e8409a5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007f487f0f6e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #6 0x00007f487f3fe4bd in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #7 0x0000000000000000 in ?? () No symbol table info available. . Thread 2 (Thread 0x7f4871d69700 (LWP 3502)): #0 0x00007f487f3f2b03 in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f487e81eff6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007f487e81f45a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007f4871d6e98b in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so No symbol table info available. #4 0x00007f487e8409a5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007f487f0f6e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #6 0x00007f487f3fe4bd in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #7 0x0000000000000000 in ?? () No symbol table info available. . Thread 1 (Thread 0x7f48828a9dc0 (LWP 3501)): #0 0x00007f487f342445 in raise () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f487f345bab in abort () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #2 0x00007f487fc4dabb in ?? () from /usr/lib/libunity-2d-private.so.0 No symbol table info available. #3 0x00007f488226441e in qt_message_output(QtMsgType, char const*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 No symbol table info available. #4 0x00007f48822648bf in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 No symbol table info available. #5 0x00007f4882264a64 in qFatal(char const*, ...) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 No symbol table info available. #6 0x00007f487fcb60a8 in PointerBarrierWrapper::setThreshold(int) () from /usr/lib/libunity-2d-private.so.0 No symbol table info available. #7 0x00007f487fcb6aa3 in PointerBarrierWrapper::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libunity-2d-private.so.0 No symbol table info available. #8 0x00007f4880eaee7c in ?? () from /usr/lib/x86_64-linux-gnu/libQtDeclarative.so.4 No symbol table info available. #9 0x00007f4880ecaeed in QDeclarativePropertyPrivate::write(QObject*, QDeclarativePropertyCache::Data const&, QVariant const&, QDeclarativeContextData*, QFlags) () from /usr/lib/x86_64-linux-gnu/libQtDeclarative.so.4 No symbol table info available. #10 0x00007f4880ecb7c1 in QDeclarativePropertyPrivate::writeValueProperty(QVariant const&, QFlags) () from /usr/lib/x86_64-linux-gnu/libQtDeclarative.so.4 No symbol table info available. #11 0x00007f4880ecb8b6 in QDeclarativePropertyPrivate::write(QDeclarativeProperty const&, QVariant const&, QFlags) () from /usr/lib/x86_64-linux-gnu/libQtDeclarative.so.4 No symbol table info available. #12 0x00007f4880ec51b9 in QDeclarativeBinding::update(QFlags) () from /usr/lib/x86_64-linux-gnu/libQtDeclarative.so.4 No symbol table info available. #13 0x00007f4880ec3fcb in ?? () from /usr/lib/x86_64-linux-gnu/libQtDeclarative.so.4 No symbol table info available. #14 0x00007f4880ec2f4b in QDeclarativeExpression::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtDeclarative.so.4 No symbol table info available. #15 0x00007f4880fbf250 in QDeclarativeBinding::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtDeclarative.so.4 No symbol table info available. #16 0x00007f4882382489 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 No symbol table info available. #17 0x00007f4880eaf419 in ?? () from /usr/lib/x86_64-linux-gnu/libQtDeclarative.so.4 No symbol table info available. #18 0x00007f4880ecaeed in QDeclarativePropertyPrivate::write(QObject*, QDeclarativePropertyCache::Data const&, QVariant const&, QDeclarativeContextData*, QFlags) () from /usr/lib/x86_64-linux-gnu/libQtDeclarative.so.4 No symbol table info available. #19 0x00007f4880ecb7c1 in QDeclarativePropertyPrivate::writeValueProperty(QVariant const&, QFlags) () from /usr/lib/x86_64-linux-gnu/libQtDeclarative.so.4 No symbol table info available. #20 0x00007f4880ecb8b6 in QDeclarativePropertyPrivate::write(QDeclarativeProperty const&, QVariant const&, QFlags) () from /usr/lib/x86_64-linux-gnu/libQtDeclarative.so.4 No symbol table info available. #21 0x00007f4880ec51b9 in QDeclarativeBinding::update(QFlags) () from /usr/lib/x86_64-linux-gnu/libQtDeclarative.so.4 No symbol table info available. #22 0x00007f4880ec601c in QDeclarativeBinding::setEnabled(bool, QFlags) () from /usr/lib/x86_64-linux-gnu/libQtDeclarative.so.4 No symbol table info available. #23 0x00007f4880ecdbfe in ?? () from /usr/lib/x86_64-linux-gnu/libQtDeclarative.so.4 No symbol table info available. #24 0x00007f4880ece35f in ?? () from /usr/lib/x86_64-linux-gnu/libQtDeclarative.so.4 No symbol table info available. #25 0x00007f487fc50232 in Unity2DDeclarativeView::setSource(QUrl const&, QMap const&) () from /usr/lib/libunity-2d-private.so.0 No symbol table info available. #26 0x000000000040cfd3 in ShellDeclarativeView::showEvent(QShowEvent*) () No symbol table info available. #27 0x00007f48817413f5 in QWidget::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 No symbol table info available. #28 0x00007f4881b013c6 in QFrame::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 No symbol table info available. #29 0x00007f4881b834d3 in QAbstractScrollArea::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 No symbol table info available. #30 0x00007f48816f0894 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 No symbol table info available. #31 0x00007f48816f5713 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 No symbol table info available. #32 0x00007f488236de9c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 No symbol table info available. #33 0x00007f4881743810 in QWidgetPrivate::show_helper() () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 No symbol table info available. #34 0x00007f4881743b02 in QWidget::setVisible(bool) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 No symbol table info available. #35 0x000000000040ef17 in ShellManagerPrivate::initShell(int) () No symbol table info available. #36 0x00000000004102d6 in ShellManagerPrivate::updateScreenCount(int) () No symbol table info available. #37 0x0000000000410ab2 in ShellManager::ShellManager(QUrl const&, QObject*) () No symbol table info available. #38 0x000000000040b7b8 in main () No symbol table info available.