Application: systemsettings5 (5.12.4) Qt Version: 5.9.4 Frameworks Version: 5.44.0 Operating System: Linux 4.15.0-13-generic x86_64 Distribution: Ubuntu Bionic Beaver (development branch) -- Information about the crash: - What I was doing when the application crashed: Typing in the filter box. Has happened several times, not entirely predictable but very likely to happen on the second or third thing you type in. -- 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 0x7f8fc6de3800 (LWP 1871))] Thread 11 (Thread 0x7f8f7b186700 (LWP 14196)): #0 0x00007f8fc28250b4 in __GI___libc_read (fd=36, buf=0x7f8f7b185b70, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27 #1 0x00007f8fbc6d4960 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f8fbc68ff27 in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f8fbc6903e0 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f8fbc69054c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f8fc31754fb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f8fc311a61a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f8fc2f3922a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f8fc0a8ca45 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #9 0x00007f8fc2f3e16d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #10 0x00007f8fbe9e06db in start_thread (arg=0x7f8f7b186700) at pthread_create.c:463 #11 0x00007f8fc283688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 10 (Thread 0x7f8f7277c700 (LWP 4841)): #0 0x00007f8fc2829bf9 in __GI___poll (fds=0x7f8f64003150, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f8fbc690439 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f8fbc69054c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f8fc31754fb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f8fc311a61a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f8fc2f3922a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f8fc2f3e16d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f8fbe9e06db in start_thread (arg=0x7f8f7277c700) at pthread_create.c:463 #8 0x00007f8fc283688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 9 (Thread 0x7f8f73d95700 (LWP 4839)): #0 0x00007f8fc28250b4 in __GI___libc_read (fd=43, buf=0x7f8f73d94b90, nbytes=16) at ../sysdeps/unix/sysv/linux/read.c:27 #1 0x00007f8fbc6d4960 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f8fbc68ff27 in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f8fbc6903e0 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f8fbc69054c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f8fc31754fb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f8fc311a61a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f8fc2f3922a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f8fc2f3e16d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007f8fbe9e06db in start_thread (arg=0x7f8f73d95700) at pthread_create.c:463 #10 0x00007f8fc283688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 8 (Thread 0x7f8f7977a700 (LWP 4838)): #0 0x00007f8fc31758e2 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #1 0x00007f8fbc68fe51 in g_main_context_check () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f8fbc6903e0 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f8fbc69054c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f8fc31754fb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f8fc311a61a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f8fc2f3922a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f8fc2f3e16d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f8fbe9e06db in start_thread (arg=0x7f8f7977a700) at pthread_create.c:463 #9 0x00007f8fc283688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 7 (Thread 0x7f8f895cb700 (LWP 4816)): #0 0x00007f8fbc6d5cd9 in g_mutex_lock () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #1 0x00007f8fbc69041f in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f8fbc6907d2 in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f8f7bd30e16 in () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 #4 0x00007f8fbc6b7e05 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f8fbe9e06db in start_thread (arg=0x7f8f895cb700) at pthread_create.c:463 #6 0x00007f8fc283688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 6 (Thread 0x7f8f89dcc700 (LWP 4815)): #0 0x00007f8fbc6d5cd9 in g_mutex_lock () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #1 0x00007f8fbc6903fe in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f8fbc69054c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f8fbc690591 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f8fbc6b7e05 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f8fbe9e06db in start_thread (arg=0x7f8f89dcc700) at pthread_create.c:463 #6 0x00007f8fc283688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 0x7f8f93fff700 (LWP 1942)): #0 0x00007f8fc2829bf9 in __GI___poll (fds=0x7f8f8c003ce0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f8fbc690439 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f8fbc69054c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f8fc31754fb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f8fc311a61a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f8fc2f3922a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f8fc0a8ca45 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #7 0x00007f8fc2f3e16d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f8fbe9e06db in start_thread (arg=0x7f8f93fff700) at pthread_create.c:463 #9 0x00007f8fc283688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7f8f9c73f700 (LWP 1927)): #0 0x00007f8fc2829bf9 in __GI___poll (fds=0x7f8f94004a00, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f8fbc690439 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f8fbc69054c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f8fc31754fb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f8fc311a61a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f8fc2f3922a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f8fc0a8ca45 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #7 0x00007f8fc2f3e16d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f8fbe9e06db in start_thread (arg=0x7f8f9c73f700) at pthread_create.c:463 #9 0x00007f8fc283688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7f8faa74a700 (LWP 1902)): #0 0x00007f8fc2f3599c in QMutex::lock() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #1 0x00007f8fc317541d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #2 0x00007f8fbc68f998 in g_main_context_prepare () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f8fbc69036b in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f8fbc69054c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f8fc31754fb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f8fc311a61a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f8fc2f3922a in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f8fc4a7fd45 in () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5 #9 0x00007f8fc2f3e16d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #10 0x00007f8fbe9e06db in start_thread (arg=0x7f8faa74a700) at pthread_create.c:463 #11 0x00007f8fc283688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7f8fb3e92700 (LWP 1872)): #0 0x00007f8fc2829bf9 in __GI___poll (fds=0x7f8fb3e91ca8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f8fbe56f747 in () at /usr/lib/x86_64-linux-gnu/libxcb.so.1 #2 0x00007f8fbe57136a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1 #3 0x00007f8fb6c3f1c9 in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 #4 0x00007f8fc2f3e16d in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f8fbe9e06db in start_thread (arg=0x7f8fb3e92700) at pthread_create.c:463 #6 0x00007f8fc283688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7f8fc6de3800 (LWP 1871)): [KCrash Handler] #6 0x00007f8fc311c530 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f8fc0f83d15 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #8 0x00007f8fc0f8faca in QQuickItemPrivate::deliverKeyEvent(QKeyEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #9 0x00007f8fc0f8fe55 in QQuickItem::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #10 0x00007f8fc412c82c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #11 0x00007f8fc41340f4 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #12 0x00007f8fc311c5c8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #13 0x00007f8fc0fa2018 in QQuickWindow::sendEvent(QQuickItem*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #14 0x00007f8fc0fa232f in QQuickWindow::keyReleaseEvent(QKeyEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #15 0x00007f8fc397c2b5 in QWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #16 0x00007f8fc0fa8eb5 in QQuickWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #17 0x00007f8fc412c82c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #18 0x00007f8fc41340f4 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #19 0x00007f8fc311c5c8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #20 0x00007f8fc160c10c in QQuickWidget::keyReleaseEvent(QKeyEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5 #21 0x00007f8fc416b048 in QWidget::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #22 0x00007f8fc160d9eb in QQuickWidget::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5 #23 0x00007f8fc412c82c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #24 0x00007f8fc4135632 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #25 0x00007f8fc311c5c8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #26 0x00007f8fc41887b5 in () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #27 0x00007f8fc412c82c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #28 0x00007f8fc41340f4 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #29 0x00007f8fc311c5c8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #30 0x00007f8fc396cfc0 in QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #31 0x00007f8fc3971f15 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #32 0x00007f8fc394928b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #33 0x00007f8fb6ca20e0 in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5 #34 0x00007f8fbc690287 in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #35 0x00007f8fbc6904c0 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #36 0x00007f8fbc69054c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #37 0x00007f8fc31754df in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #38 0x00007f8fc311a61a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #39 0x00007f8fc3123664 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5 #40 0x0000559fd73e8e44 in () #41 0x00007f8fc2736b97 in __libc_start_main (main=0x559fd73e8a40, argc=3, argv=0x7fff0662e9d8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff0662e9c8) at ../csu/libc-start.c:310 #42 0x0000559fd73e8eca in _start () Reported using DrKonqi
*** This bug has been marked as a duplicate of bug 388414 ***