Application: systemsettings5 (5.12.8) Qt Version: 5.9.5 Frameworks Version: 5.44.0 Operating System: Linux 4.15.0-65-generic x86_64 Distribution: Ubuntu 18.04.3 LTS -- Information about the crash: - What I was doing when the application crashed: Opening the "Startup and Shutdown" category in KDE System Settings. The crash can be reproduced every time. -- Backtrace: Application: System Settings (systemsettings5), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0x7f9e10139c80 (LWP 2876))] Thread 9 (Thread 0x7f9dcf1d5700 (LWP 2888)): #0 0x00007f9e0b99dbf9 in __GI___poll (fds=0x7f9dc40020a0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f9e058005c9 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f9e058006dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f9e0c2e699b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f9e0c28b9fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f9e0c0aa23a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f9e097dc6f5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #7 0x00007f9e0c0af17d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f9e0b46d6db in start_thread (arg=0x7f9dcf1d5700) at pthread_create.c:463 #9 0x00007f9e0b9aa88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 8 (Thread 0x7f9dcfbe4700 (LWP 2887)): #0 0x00007f9e0b9990b4 in __GI___libc_read (fd=21, buf=0x7f9dcfbe3cd0, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27 #1 0x00007f9e058452d0 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f9e058000b7 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f9e05800570 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f9e05800962 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f9dd0d820e6 in () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 #6 0x00007f9e05828195 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #7 0x00007f9e0b46d6db in start_thread (arg=0x7f9dcfbe4700) at pthread_create.c:463 #8 0x00007f9e0b9aa88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 7 (Thread 0x7f9dd03e5700 (LWP 2886)): #0 0x00007f9e0b99dbf9 in __GI___poll (fds=0x5616c9bf93f0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f9e058005c9 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f9e058006dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f9e05800721 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f9e05828195 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f9e0b46d6db in start_thread (arg=0x7f9dd03e5700) at pthread_create.c:463 #6 0x00007f9e0b9aa88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 6 (Thread 0x7f9ddcad3700 (LWP 2884)): #0 0x00007f9e0c0a69ae in QMutex::lock() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #1 0x00007f9e0c2e68bd in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007f9e057ffb28 in g_main_context_prepare () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f9e058004fb in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f9e058006dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f9e0c2e699b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f9e0c28b9fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f9e0c0aa23a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f9e097dc6f5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #9 0x00007f9e0c0af17d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #10 0x00007f9e0b46d6db in start_thread (arg=0x7f9ddcad3700) at pthread_create.c:463 #11 0x00007f9e0b9aa88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 0x7f9de4b01700 (LWP 2883)): #0 0x00007f9e0b99dbf9 in __GI___poll (fds=0x7f9dd8004a00, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f9e058005c9 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f9e058006dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f9e0c2e699b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f9e0c28b9fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f9e0c0aa23a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f9e097dc6f5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #7 0x00007f9e0c0af17d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f9e0b46d6db in start_thread (arg=0x7f9de4b01700) at pthread_create.c:463 #9 0x00007f9e0b9aa88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7f9de7475700 (LWP 2880)): #0 0x00007f9e0b4739f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x5616c4e75a5c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88 #1 0x00007f9e0b4739f3 in __pthread_cond_wait_common (abstime=0x0, mutex=0x5616c4e75a08, cond=0x5616c4e75a30) at pthread_cond_wait.c:502 #2 0x00007f9e0b4739f3 in __pthread_cond_wait (cond=0x5616c4e75a30, mutex=0x5616c4e75a08) at pthread_cond_wait.c:655 #3 0x00007f9de866f2cb in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #4 0x00007f9de866eff7 in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so #5 0x00007f9e0b46d6db in start_thread (arg=0x7f9de7475700) at pthread_create.c:463 #6 0x00007f9e0b9aa88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7f9df3aba700 (LWP 2879)): #0 0x00007f9e0b9990b4 in __GI___libc_read (fd=7, buf=0x7f9df3ab9b60, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27 #1 0x00007f9e058452d0 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f9e058000b7 in g_main_context_check () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f9e05800570 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f9e058006dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f9e0c2e699b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f9e0c28b9fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f9e0c0aa23a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f9e0dbf0d45 in () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5 #9 0x00007f9e0c0af17d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #10 0x00007f9e0b46d6db in start_thread (arg=0x7f9df3aba700) at pthread_create.c:463 #11 0x00007f9e0b9aa88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7f9dfcffb700 (LWP 2878)): #0 0x00007f9e0b99dbf9 in __GI___poll (fds=0x7f9dfcffaca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f9e074dc747 in () at /usr/lib/x86_64-linux-gnu/libxcb.so.1 #2 0x00007f9e074de36a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1 #3 0x00007f9dffda85e9 in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 #4 0x00007f9e0c0af17d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f9e0b46d6db in start_thread (arg=0x7f9dfcffb700) at pthread_create.c:463 #6 0x00007f9e0b9aa88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7f9e10139c80 (LWP 2876)): [KCrash Handler] #6 0x00007f9e0c2c43aa in QObject::setProperty(char const*, QVariant const&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f9dd1e2c3ae in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kcm_sddm.so #8 0x00007f9dd1e2cd2c in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kcm_sddm.so #9 0x00007f9dd1e2d23e in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kcm_sddm.so #10 0x00007f9dd1e25f94 in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kcm_sddm.so #11 0x00007f9dd1e26adc in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kcm_sddm.so #12 0x00007f9dd1e2924b in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kcm_sddm.so #13 0x00007f9e0c78e019 in KPluginFactory::create(char const*, QWidget*, QObject*, QList<QVariant> const&, QString const&) () at /usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5 #14 0x00007f9e0f72c85c in KCModuleLoader::loadModule(KCModuleInfo const&, KCModuleLoader::ErrorReporting, QWidget*, QStringList const&) () at /usr/lib/x86_64-linux-gnu/libKF5KCMUtils.so.5 #15 0x00007f9e0f73369f in () at /usr/lib/x86_64-linux-gnu/libKF5KCMUtils.so.5 #16 0x00007f9e0f7341d8 in KCModuleProxy::realModule() const () at /usr/lib/x86_64-linux-gnu/libKF5KCMUtils.so.5 #17 0x00007f9e0fb74314 in ModuleView::stateChanged() () at /usr/lib/x86_64-linux-gnu/libsystemsettingsview.so.3 #18 0x00007f9e0fb74540 in ModuleView::activeModuleChanged(KPageWidgetItem*, KPageWidgetItem*) () at /usr/lib/x86_64-linux-gnu/libsystemsettingsview.so.3 #19 0x00007f9e0c2bc645 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #20 0x00007f9e0e8b5d9b in KPageWidget::currentPageChanged(KPageWidgetItem*, KPageWidgetItem*) () at /usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5 #21 0x00007f9e0e8b5f5c in () at /usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5 #22 0x00007f9e0c2bc645 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #23 0x00007f9e0e8b0437 in KPageView::currentPageChanged(QModelIndex const&, QModelIndex const&) () at /usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5 #24 0x00007f9e0e8b1829 in () at /usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5 #25 0x00007f9e0c2bc645 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #26 0x00007f9e0c239627 in QItemSelectionModel::selectionChanged(QItemSelection const&, QItemSelection const&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #27 0x00007f9e0c23dec0 in QItemSelectionModel::emitSelectionChanged(QItemSelection const&, QItemSelection const&) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #28 0x00007f9e0c241093 in QItemSelectionModel::select(QItemSelection const&, QFlags<QItemSelectionModel::SelectionFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #29 0x00007f9e0c23b65c in QItemSelectionModel::select(QModelIndex const&, QFlags<QItemSelectionModel::SelectionFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #30 0x00007f9e0c23995d in QItemSelectionModel::setCurrentIndex(QModelIndex const&, QFlags<QItemSelectionModel::SelectionFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #31 0x00007f9e0e8b08ea in () at /usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5 #32 0x00007f9e0e8b1645 in () at /usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5 #33 0x00007f9e0c2bc645 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #34 0x00007f9e0c228946 in QAbstractItemModel::layoutChanged(QList<QPersistentModelIndex> const&, QAbstractItemModel::LayoutChangeHint) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #35 0x00007f9e0e8b7b56 in KPageWidgetModel::addPage(KPageWidgetItem*) () at /usr/lib/x86_64-linux-gnu/libKF5WidgetsAddons.so.5 #36 0x00007f9e0fb74b51 in ModuleView::addModule(KCModuleInfo*) () at /usr/lib/x86_64-linux-gnu/libsystemsettingsview.so.3 #37 0x00007f9e0fb74f0b in ModuleView::loadModule(QModelIndex) () at /usr/lib/x86_64-linux-gnu/libsystemsettingsview.so.3 #38 0x00007f9de4f95b8e in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/systemsettings_sidebar_mode.so #39 0x00007f9de4f95f77 in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/systemsettings_sidebar_mode.so #40 0x00007f9de4f9bb27 in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/systemsettings_sidebar_mode.so #41 0x00007f9de4f9be33 in () at /usr/lib/x86_64-linux-gnu/qt5/plugins/systemsettings_sidebar_mode.so #42 0x00007f9e09710ca3 in QV4::QObjectWrapper::setProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData*, QV4::Value const&) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #43 0x00007f9e0971168e in QV4::QObjectWrapper::setQmlProperty(QV4::ExecutionEngine*, QQmlContextData*, QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, QV4::Value const&) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #44 0x00007f9e09711799 in QV4::QObjectWrapper::put(QV4::Managed*, QV4::String*, QV4::Value const&) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #45 0x00007f9e0972013c in QV4::Runtime::method_setProperty(QV4::ExecutionEngine*, QV4::Value const&, int, QV4::Value const&) () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #46 0x00007f9dfc05ec24 in () #47 0x0000000000000000 in () Reported using DrKonqi
Could you install debug symbols for /usr/lib/x86_64-linux-gnu/qt5/plugins/kcm_sddm.so
I'm not sure what caused it, but the sddm-kcm directory in .local/share/ was missing. I reinstalled kde-config-sddm and it fixed it. I'm guessing it just got removed accidentally at some point.