Application: plasmashell (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.4.3-300.fc23.x86_64+debug x86_64
Distribution: "Fedora release 23 (Twenty Three)"

-- Information about the crash:
I received a message the Plasma had crashed, but nothing really happened. I keep on using it perfectly, including the appeareance of widgets which is untouched.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f5c4c1f2940 (LWP 2006))]

Thread 8 (Thread 0x7f5c2b7a5700 (LWP 2007)):
#0  0x00007f5c43bdcfdd in poll () at /lib64/libc.so.6
#1  0x00007f5c4a096272 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007f5c4a097ee7 in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007f5c2e0cfda9 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007f5c447e53de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007f5c42f2060a in start_thread () at /lib64/libpthread.so.0
#6  0x00007f5c43be8a4d in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f5c28d54700 (LWP 2070)):
#0  0x00007f5c43bdcfdd in poll () at /lib64/libc.so.6
#1  0x00007f5c3f10016c in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f5c3f10027c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f5c44a1cecb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f5c449c3eca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f5c447e0434 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f5c48b2d9b5 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f5c447e53de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f5c42f2060a in start_thread () at /lib64/libpthread.so.0
#9  0x00007f5c43be8a4d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f5c20e71700 (LWP 2091)):
#0  0x00007f5c43bdcfdd in poll () at /lib64/libc.so.6
#1  0x00007f5c3f10016c in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f5c3f10027c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f5c44a1cecb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f5c449c3eca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f5c447e0434 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f5c48b2d9b5 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f5c447e53de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f5c42f2060a in start_thread () at /lib64/libpthread.so.0
#9  0x00007f5c43be8a4d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f5c1a1a0700 (LWP 2483)):
#0  0x00007f5c43bdcfdd in poll () at /lib64/libc.so.6
#1  0x00007f5c3f10016c in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f5c3f10027c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f5c44a1cecb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f5c449c3eca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f5c447e0434 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f5c48b2d9b5 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f5c447e53de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f5c42f2060a in start_thread () at /lib64/libpthread.so.0
#9  0x00007f5c43be8a4d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f5c18957700 (LWP 2526)):
#0  0x00007f5c42f25b10 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f5c4b986514 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /lib64/libQt5Script.so.5
#2  0x00007f5c4b986559 in  () at /lib64/libQt5Script.so.5
#3  0x00007f5c42f2060a in start_thread () at /lib64/libpthread.so.0
#4  0x00007f5c43be8a4d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f5c12768700 (LWP 2635)):
#0  0x00007f5c43bdcfdd in poll () at /lib64/libc.so.6
#1  0x00007f5c3f10016c in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f5c3f10027c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f5c44a1cecb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f5c449c3eca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f5c447e0434 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f5c12db49f5 in QQuickXmlQueryEngine::run() () at /usr/lib64/qt5/qml/QtQuick/XmlListModel/libqmlxmllistmodelplugin.so
#7  0x00007f5c447e53de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f5c42f2060a in start_thread () at /lib64/libpthread.so.0
#9  0x00007f5c43be8a4d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f5c11f67700 (LWP 2636)):
#0  0x00007f5c43bdcfdd in poll () at /lib64/libc.so.6
#1  0x00007f5c3f10016c in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f5c3f10027c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f5c44a1cecb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f5c449c3eca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f5c447e0434 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f5c447e53de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#7  0x00007f5c42f2060a in start_thread () at /lib64/libpthread.so.0
#8  0x00007f5c43be8a4d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f5c4c1f2940 (LWP 2006)):
[KCrash Handler]
#5  0x00007f5c2e0e055c in QXcbScreen::mapFromNative(QPoint const&) const () at /lib64/libQt5XcbQpa.so.5
#6  0x00007f5c2e0e81c8 in QXcbWindow::handleLeaveNotifyEvent(xcb_enter_notify_event_t const*) () at /lib64/libQt5XcbQpa.so.5
#7  0x00007f5c2e0d1ab5 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /lib64/libQt5XcbQpa.so.5
#8  0x00007f5c2e0d2433 in QXcbConnection::processXcbEvents() () at /lib64/libQt5XcbQpa.so.5
#9  0x00007f5c449f6161 in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#10 0x00007f5c45f7a41c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#11 0x00007f5c45f7f8e6 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#12 0x00007f5c449c673b in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#13 0x00007f5c449c8b36 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib64/libQt5Core.so.5
#14 0x00007f5c44a1caa3 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5Core.so.5
#15 0x00007f5c3f0ffe3a in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#16 0x00007f5c3f1001d0 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#17 0x00007f5c3f10027c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#18 0x00007f5c44a1ceaf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#19 0x00007f5c449c3eca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#20 0x00007f5c449cbfac in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#21 0x000055c20672608a in main ()

Possible duplicates by query: bug 359650, bug 357685, bug 356894.

Reported using DrKonqi