. Thread 3 (Thread 0x7f30f77fe700 (LWP 8591)): #0 0x00007f310389eddd in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f31059b2fe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007f31059b30ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007f30fc06a18d in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so No symbol table info available. #4 0x00007f31059d7f15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007f310359b182 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #6 0x00007f31038ac12d in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. . Thread 2 (Thread 0x7f30fd271700 (LWP 3002)): #0 0x00007f310389eddd in poll () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #1 0x00007f31059b2fe4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007f31059b330a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007f3105f9a306 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #4 0x00007f31059d7f15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007f310359b182 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 No symbol table info available. #6 0x00007f31038ac12d in clone () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. . Thread 1 (Thread 0x7f3106eaa880 (LWP 2642)): #0 0x00007f31049cadc1 in QAction::text() const () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 No symbol table info available. #1 0x000000000042e25c in ?? () No symbol table info available. #2 0x000000000042e68a in ?? () No symbol table info available. #3 0x0000000000430dc2 in hud::service::ItemStore::search(QString const&, QList&) () No symbol table info available. #4 0x00000000004351c1 in hud::service::QueryImpl::refresh() () No symbol table info available. #5 0x0000000000445975 in ?? () No symbol table info available. #6 0x00007f31068d0e06 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #7 0x00000000004503da in hud::service::ApplicationListImpl::FocusedWindowChanged(unsigned int, QString const&, unsigned int) () No symbol table info available. #8 0x00007f31068d0e06 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #9 0x0000000000461f81 in ComCanonicalUnityWindowStackInterface::FocusedWindowChanged(unsigned int, QString const&, unsigned int) () No symbol table info available. #10 0x000000000046251d in ?? () No symbol table info available. #11 0x00000000004628c3 in ComCanonicalUnityWindowStackInterface::qt_metacall(QMetaObject::Call, int, void**) () No symbol table info available. #12 0x00007f31052ce0cf in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5 No symbol table info available. #13 0x00007f31068d1e0e in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #14 0x00007f31049d10bc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 No symbol table info available. #15 0x00007f31049d5dc2 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 No symbol table info available. #16 0x00007f31068ac97d in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #17 0x00007f31068ae147 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #18 0x00007f31068f1ab3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #19 0x00007f31059b2e04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #20 0x00007f31059b3048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #21 0x00007f31059b30ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #22 0x00007f31068f176c in QEventDispatcherGlib::processEvents(QFlags) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #23 0x00007f31068ab84b in QEventLoop::exec(QFlags) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #24 0x00007f310648f02b in ?? () from /usr/lib/x86_64-linux-gnu/libdbusmenu-qt5.so.2 No symbol table info available. #25 0x00007f310648f9af in DBusMenuImporter::slotMenuAboutToShow() () from /usr/lib/x86_64-linux-gnu/libdbusmenu-qt5.so.2 No symbol table info available. #26 0x00007f31068d0e06 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #27 0x0000000000453467 in hud::service::DBusMenuCollector::openMenu(QMenu*) () No symbol table info available. #28 0x0000000000453508 in hud::service::DBusMenuCollector::openMenu(QMenu*) () No symbol table info available. #29 0x0000000000453508 in hud::service::DBusMenuCollector::openMenu(QMenu*) () No symbol table info available. #30 0x0000000000454704 in hud::service::DBusMenuCollector::activate() () No symbol table info available. #31 0x000000000043c577 in hud::service::WindowImpl::activate() () No symbol table info available. #32 0x00000000004349ba in hud::service::QueryImpl::updateToken(QSharedPointer) () No symbol table info available. #33 0x0000000000435165 in hud::service::QueryImpl::refresh() () No symbol table info available. #34 0x0000000000445975 in ?? () No symbol table info available. #35 0x00007f31068d0e06 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #36 0x00000000004503da in hud::service::ApplicationListImpl::FocusedWindowChanged(unsigned int, QString const&, unsigned int) () No symbol table info available. #37 0x00007f31068d0e06 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #38 0x0000000000461f81 in ComCanonicalUnityWindowStackInterface::FocusedWindowChanged(unsigned int, QString const&, unsigned int) () No symbol table info available. #39 0x000000000046251d in ?? () No symbol table info available. #40 0x00000000004628c3 in ComCanonicalUnityWindowStackInterface::qt_metacall(QMetaObject::Call, int, void**) () No symbol table info available. #41 0x00007f31052ce0cf in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5 No symbol table info available. #42 0x00007f31068d1e0e in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #43 0x00007f31049d10bc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 No symbol table info available. #44 0x00007f31049d5dc2 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 No symbol table info available. #45 0x00007f31068ac97d in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #46 0x00007f31068ae147 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #47 0x00007f31068f1ab3 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #48 0x00007f31059b2e04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #49 0x00007f31059b3048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #50 0x00007f31059b30ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #51 0x00007f31068f176c in QEventDispatcherGlib::processEvents(QFlags) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #52 0x00007f31068ab84b in QEventLoop::exec(QFlags) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #53 0x00007f31068b0fa1 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 No symbol table info available. #54 0x0000000000424486 in main () No symbol table info available.