Application: systemsettings5 (5.9.0)

Qt Version: 5.8.0
Frameworks Version: 5.30.0
Operating System: Linux 4.9.6-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed:
i was changing a setting , i choosed discard setting,it crashed.

-- Backtrace:
Application: 系统设置 (systemsettings5), signal: Aborted
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f0d8e6d8580 (LWP 2191))]

Thread 10 (Thread 0x7f0c9a7fc700 (LWP 2232)):
#0  0x00007f0d86428eeb in __lll_lock_wait_private () at /usr/lib/libpthread.so.0
#1  0x00007f0d8641f6cb in __deallocate_stack () at /usr/lib/libpthread.so.0
#2  0x00007f0d864206d4 in start_thread () at /usr/lib/libpthread.so.0
#3  0x00007f0d8a3dd7df in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f0c9affd700 (LWP 2231)):
#0  0x00007f0d8a3e9fdb in __lll_lock_wait_private () at /usr/lib/libc.so.6
#1  0x00007f0d8a36cba0 in _int_free () at /usr/lib/libc.so.6
#2  0x00007f0d8e5a45a7 in _dl_deallocate_tls () at /lib64/ld-linux-x86-64.so.2
#3  0x00007f0d8641f666 in __free_stacks () at /usr/lib/libpthread.so.0
#4  0x00007f0d8641f7ba in __deallocate_stack () at /usr/lib/libpthread.so.0
#5  0x00007f0d864206d4 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f0d8a3dd7df in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f0cb4ba8700 (LWP 2228)):
#0  0x00007f0d86428eeb in __lll_lock_wait_private () at /usr/lib/libpthread.so.0
#1  0x00007f0d8641f6cb in __deallocate_stack () at /usr/lib/libpthread.so.0
#2  0x00007f0d864206d4 in start_thread () at /usr/lib/libpthread.so.0
#3  0x00007f0d8a3dd7df in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f0cb53a9700 (LWP 2227)):
#0  0x00007f0d86428eeb in __lll_lock_wait_private () at /usr/lib/libpthread.so.0
#1  0x00007f0d8641f6cb in __deallocate_stack () at /usr/lib/libpthread.so.0
#2  0x00007f0d864206d4 in start_thread () at /usr/lib/libpthread.so.0
#3  0x00007f0d8a3dd7df in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f0cb620a700 (LWP 2226)):
#0  0x00007f0d86428eeb in __lll_lock_wait_private () at /usr/lib/libpthread.so.0
#1  0x00007f0d8641f6cb in __deallocate_stack () at /usr/lib/libpthread.so.0
#2  0x00007f0d864206d4 in start_thread () at /usr/lib/libpthread.so.0
#3  0x00007f0d8a3dd7df in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f0cd8804700 (LWP 2219)):
#0  0x00007f0d844feb51 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#1  0x00007f0d844ff6ab in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f0d844ff89c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f0d8acf846b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f0d8aca1c9a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f0d8aac3a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f0d88dc7025 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007f0d8aac86d8 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f0d86420454 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f0d8a3dd7df in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f0d69cad700 (LWP 2195)):
#0  0x00007f0d8642610f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f0d69e37234 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007f0d69e37279 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007f0d86420454 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f0d8a3dd7df in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f0d72759700 (LWP 2194)):
#0  0x00007f0d84544dd4 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f0d844fe6de in g_main_context_acquire () at /usr/lib/libglib-2.0.so.0
#2  0x00007f0d844ff635 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f0d844ff89c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f0d8acf846b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f0d8aca1c9a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f0d8aac3a73 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f0d8b612125 in  () at /usr/lib/libQt5DBus.so.5
#8  0x00007f0d8aac86d8 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f0d86420454 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f0d8a3dd7df in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f0d7a91e700 (LWP 2193)):
#0  0x00007f0d8a3d448d in poll () at /usr/lib/libc.so.6
#1  0x00007f0d86ca38e0 in  () at /usr/lib/libxcb.so.1
#2  0x00007f0d86ca5679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f0d7ce82239 in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f0d8aac86d8 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f0d86420454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f0d8a3dd7df in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f0d8e6d8580 (LWP 2191)):
[KCrash Handler]
#6  0x00007f0d8a32804f in raise () at /usr/lib/libc.so.6
#7  0x00007f0d8a32947a in abort () at /usr/lib/libc.so.6
#8  0x00007f0d8a365c50 in __libc_message () at /usr/lib/libc.so.6
#9  0x00007f0d8a36bfe6 in malloc_printerr () at /usr/lib/libc.so.6
#10 0x00007f0d8a36e411 in _int_malloc () at /usr/lib/libc.so.6
#11 0x00007f0d8a36eeb1 in _int_realloc () at /usr/lib/libc.so.6
#12 0x00007f0d8a3704f9 in realloc () at /usr/lib/libc.so.6
#13 0x00007f0d8ab20fb1 in QListData::realloc_grow(int) () at /usr/lib/libQt5Core.so.5
#14 0x00007f0d8ab2104f in QListData::append(int) () at /usr/lib/libQt5Core.so.5
#15 0x00007f0d8e3872b8 in  () at /usr/lib/libsystemsettingsview.so.3
#16 0x00007f0d8e386c89 in MenuModel::childrenList(MenuItem*) const () at /usr/lib/libsystemsettingsview.so.3
#17 0x00007f0d8e386efa in MenuModel::rowCount(QModelIndex const&) const () at /usr/lib/libsystemsettingsview.so.3
#18 0x00007f0d8ac4545a in QAbstractItemModel::hasIndex(int, int, QModelIndex const&) const () at /usr/lib/libQt5Core.so.5
#19 0x00007f0d8e386f7a in MenuModel::index(int, int, QModelIndex const&) const () at /usr/lib/libsystemsettingsview.so.3
#20 0x00007f0d8ac67082 in  () at /usr/lib/libQt5Core.so.5
#21 0x00007f0d8ac672b4 in QSortFilterProxyModel::data(QModelIndex const&, int) const () at /usr/lib/libQt5Core.so.5
#22 0x00007f0d8a04c1ca in KFileItemDelegate::Private::initStyleOption(QStyleOptionViewItem*, QModelIndex const&) const () at /usr/lib/libKF5KIOWidgets.so.5
#23 0x00007f0d8a04cc8a in KFileItemDelegate::sizeHint(QStyleOptionViewItem const&, QModelIndex const&) const () at /usr/lib/libKF5KIOWidgets.so.5
#24 0x00007f0d8ca81f61 in QAbstractItemView::sizeHintForIndex(QModelIndex const&) const () at /usr/lib/libQt5Widgets.so.5
#25 0x00007f0d89d81a55 in  () at /usr/lib/libKF5ItemViews.so.5
#26 0x00007f0d89d85653 in KCategorizedView::visualRect(QModelIndex const&) const () at /usr/lib/libKF5ItemViews.so.5
#27 0x00007f0d89d81185 in  () at /usr/lib/libKF5ItemViews.so.5
#28 0x00007f0d89d82cdf in  () at /usr/lib/libKF5ItemViews.so.5
#29 0x00007f0d8c87ecd8 in QWidget::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#30 0x00007f0d8c966ece in QFrame::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#31 0x00007f0d8ca8ded3 in QAbstractItemView::viewportEvent(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#32 0x00007f0d8aca35a1 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#33 0x00007f0d8c837325 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#34 0x00007f0d8c83eb61 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#35 0x00007f0d8aca3840 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#36 0x00007f0d8c877a3a in QWidgetPrivate::sendPaintEvent(QRegion const&) () at /usr/lib/libQt5Widgets.so.5
#37 0x00007f0d8c8780a6 in QWidgetPrivate::drawWidget(QPaintDevice*, QRegion const&, QPoint const&, int, QPainter*, QWidgetBackingStore*) () at /usr/lib/libQt5Widgets.so.5
#38 0x00007f0d8c847710 in  () at /usr/lib/libQt5Widgets.so.5
#39 0x00007f0d8c847922 in  () at /usr/lib/libQt5Widgets.so.5
#40 0x00007f0d8c866e7f in QWidgetPrivate::syncBackingStore() () at /usr/lib/libQt5Widgets.so.5
#41 0x00007f0d8c87eda8 in QWidget::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#42 0x00007f0d8c97dd0b in QMainWindow::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#43 0x00007f0d8de88fca in KMainWindow::event(QEvent*) () at /usr/lib/libKF5XmlGui.so.5
#44 0x00007f0d8dedb8b5 in KXmlGuiWindow::event(QEvent*) () at /usr/lib/libKF5XmlGui.so.5
#45 0x00007f0d8c83734c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#46 0x00007f0d8c83eb61 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#47 0x00007f0d8aca3840 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#48 0x00007f0d8c848135 in  () at /usr/lib/libQt5Widgets.so.5
#49 0x00007f0d8c849296 in  () at /usr/lib/libQt5Widgets.so.5
#50 0x00007f0d8c8696c8 in QWidget::repaint(QRect const&) () at /usr/lib/libQt5Widgets.so.5
#51 0x00007f0d8c869733 in QWidget::repaint() () at /usr/lib/libQt5Widgets.so.5
#52 0x00007f0d8c921311 in  () at /usr/lib/libQt5Widgets.so.5
#53 0x00007f0d8c921524 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () at /usr/lib/libQt5Widgets.so.5
#54 0x00007f0d8c9ed71a in QToolButton::mouseReleaseEvent(QMouseEvent*) () at /usr/lib/libQt5Widgets.so.5
#55 0x00007f0d8c87ecd8 in QWidget::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#56 0x00007f0d8c9ed7f9 in QToolButton::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#57 0x00007f0d8c83734c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#58 0x00007f0d8c83f8c5 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#59 0x00007f0d8aca3840 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#60 0x00007f0d8c83e0cd in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at /usr/lib/libQt5Widgets.so.5
#61 0x00007f0d8c8993e6 in  () at /usr/lib/libQt5Widgets.so.5
#62 0x00007f0d8c89be03 in  () at /usr/lib/libQt5Widgets.so.5
#63 0x00007f0d8c83734c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#64 0x00007f0d8c83eb61 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#65 0x00007f0d8aca3840 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#66 0x00007f0d8c0a2d53 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at /usr/lib/libQt5Gui.so.5
#67 0x00007f0d8c0a48c5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib/libQt5Gui.so.5
#68 0x00007f0d8c08044b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Gui.so.5
#69 0x00007f0d7cee29e0 in  () at /usr/lib/libQt5XcbQpa.so.5
#70 0x00007f0d844ff587 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#71 0x00007f0d844ff7f0 in  () at /usr/lib/libglib-2.0.so.0
#72 0x00007f0d844ff89c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#73 0x00007f0d8acf844f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#74 0x00007f0d8aca1c9a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#75 0x00007f0d8acaa1e4 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#76 0x000000000040c240 in  ()
#77 0x00007f0d8a315291 in __libc_start_main () at /usr/lib/libc.so.6
#78 0x000000000040c2ba in _start ()

Possible duplicates by query: bug 375899.

Reported using DrKonqi