Bug 372052

Application: plasmashell (5.8.3)

Qt Version: 5.7.0
Frameworks Version: 5.27.0
Operating System: Linux 4.8.6-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed:
当我打开应用程序菜单浏览菜单中的应用程序时，Plasma崩溃了，在此之前我删除了~/.local/share下的所有.directory文件。

The crash does not seem to be reproducible.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f4899faa800 (LWP 2307))]

Thread 9 (Thread 0x7f47c4689700 (LWP 6507)):
#0  0x00007f4893dca2e9 in QMutex::unlock() () at /usr/lib/libQt5Core.so.5
#1  0x00007f4894000eb1 in  () at /usr/lib/libQt5Core.so.5
#2  0x00007f488e9a6c89 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#3  0x00007f488e9a76ab in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f488e9a789c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007f489400172b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f4893fab23a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007f4893dce0f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007f48971312d5 in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007f4893dd2d78 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f4892ee2454 in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f48936e87df in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f47d62e6700 (LWP 2447)):
#0  0x00007f48936df48d in poll () at /usr/lib/libc.so.6
#1  0x00007f488e9a7786 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f488e9a789c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f489400172b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f4893fab23a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f4893dce0f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f47d88120a7 in KCupsConnection::run() () at /usr/lib/libkcupslib.so
#7  0x00007f4893dd2d78 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f4892ee2454 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f48936e87df in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f47e23cc700 (LWP 2445)):
#0  0x00007f48936df48d in poll () at /usr/lib/libc.so.6
#1  0x00007f488e9a7786 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f488e9a789c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f489400172b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f4893fab23a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f4893dce0f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f4897cd0856 in  () at /usr/lib/libQt5Quick.so.5
#7  0x00007f4893dd2d78 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f4892ee2454 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f48936e87df in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f486fbdd700 (LWP 2429)):
#0  0x00007f4892ee810f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f4899760ac4 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007f4899760b09 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007f4892ee2454 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f48936e87df in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f487998a700 (LWP 2426)):
#0  0x00007f48936df48d in poll () at /usr/lib/libc.so.6
#1  0x00007f488e9a7786 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f488e9a789c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f489400172b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f4893fab23a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f4893dce0f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f48971312d5 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007f4893dd2d78 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f4892ee2454 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f48936e87df in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f487b7c8700 (LWP 2376)):
#0  0x00007f48936f502f in __libc_enable_asynccancel () at /usr/lib/libc.so.6
#1  0x00007f48936df482 in poll () at /usr/lib/libc.so.6
#2  0x00007f488e9a7786 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f488e9a789c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f489400172b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f4893fab23a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f4893dce0f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f48971312d5 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007f4893dd2d78 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f4892ee2454 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f48936e87df in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f48816ea700 (LWP 2324)):
#0  0x00007f488e9ecdd4 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f488e9a6c7c in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0x00007f488e9a76ab in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f488e9a789c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f489400172b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f4893fab23a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f4893dce0f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f4894b4ee55 in  () at /usr/lib/libQt5DBus.so.5
#8  0x00007f4893dd2d78 in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f4892ee2454 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f48936e87df in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f48830aa700 (LWP 2317)):
#0  0x00007f48936df48d in poll () at /usr/lib/libc.so.6
#1  0x00007f48986a08e0 in  () at /usr/lib/libxcb.so.1
#2  0x00007f48986a2679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f4884de7449 in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f4893dd2d78 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f4892ee2454 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f48936e87df in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f4899faa800 (LWP 2307)):
[KCrash Handler]
#6  0x00007f4893fb5d20 in QMetaObject::methodOffset() const () at /usr/lib/libQt5Core.so.5
#7  0x00007f4893fd8fab in QMetaObject::activate(QObject*, int, void**) () at /usr/lib/libQt5Core.so.5
#8  0x00007f4896f0610f in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007f48971552aa in QQmlDelegateModel::_q_itemsChanged(int, int, QVector<int> const&) () at /usr/lib/libQt5Qml.so.5
#10 0x00007f489717c92c in  () at /usr/lib/libQt5Qml.so.5
#11 0x00007f489717d068 in QQmlDelegateModel::qt_metacall(QMetaObject::Call, int, void**) () at /usr/lib/libQt5Qml.so.5
#12 0x00007f4893fd87f4 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#13 0x00007f489404fe4c in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) () at /usr/lib/libQt5Core.so.5
#14 0x00007f47db334561 in  () at /usr/lib/qt/qml/org/kde/plasma/private/kicker/libkickerplugin.so
#15 0x00007f47db351d0f in  () at /usr/lib/qt/qml/org/kde/plasma/private/kicker/libkickerplugin.so
#16 0x00007f47db35431f in  () at /usr/lib/qt/qml/org/kde/plasma/private/kicker/libkickerplugin.so
#17 0x00007f4897098c30 in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () at /usr/lib/libQt5Qml.so.5
#18 0x00007f48970ad078 in QQmlPropertyPrivate::write(QObject*, QQmlPropertyData const&, QVariant const&, QQmlContextData*, QFlags<QQmlPropertyPrivate::WriteFlag>) () at /usr/lib/libQt5Qml.so.5
#19 0x00007f4897079f0c in QV4::QObjectWrapper::setProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData*, QV4::Value const&) () at /usr/lib/libQt5Qml.so.5
#20 0x00007f489707a9f0 in QV4::QObjectWrapper::setQmlProperty(QV4::ExecutionEngine*, QQmlContextData*, QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, QV4::Value const&) () at /usr/lib/libQt5Qml.so.5
#21 0x00007f489707ab22 in QV4::QObjectWrapper::put(QV4::Managed*, QV4::String*, QV4::Value const&) () at /usr/lib/libQt5Qml.so.5
#22 0x00007f489708b4d6 in QV4::Runtime::setProperty(QV4::ExecutionEngine*, QV4::Value const&, int, QV4::Value const&) () at /usr/lib/libQt5Qml.so.5
#23 0x00007f486c05d3c8 in  ()
#24 0x0000000005092da0 in  ()
#25 0x00007f4897074cbd in  () at /usr/lib/libQt5Qml.so.5
#26 0x00007f48683e21e0 in  ()
#27 0x000000a878980005 in  ()
#28 0x00007f47d42eb670 in  ()
#29 0x00007f487898b500 in  ()
#30 0x0000000000000000 in  ()

Reported using DrKonqi