Application: plasmashell (5.10.2)

Qt Version: 5.9.0
Frameworks Version: 5.35.0
Operating System: Linux 4.9.32-1-lts x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed:
I changed the look and feel of plasma, tick Use Desktop Layout Theme and click apply, before it finished applying, I click on Desktop Theme, and changed it.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f0fc88c7d80 (LWP 764))]

Thread 8 (Thread 0x7f0efd7a6700 (LWP 876)):
#0  0x00007f0fc17da73a in pthread_getspecific () at /usr/lib/libpthread.so.0
#1  0x00007f0fbcaf7fb0 in g_thread_self () at /usr/lib/libglib-2.0.so.0
#2  0x00007f0fbcacfa6c in g_main_context_acquire () at /usr/lib/libglib-2.0.so.0
#3  0x00007f0fbcad0ab5 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f0fbcad0d0c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007f0fc283de9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f0fc27e421a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007f0fc260640a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007f0f0014a427 in KCupsConnection::run() () at /usr/lib/libkcupslib.so
#9  0x00007f0fc260acbd in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f0fc17d3297 in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f0fc1f1f25f in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f0f11ee0700 (LWP 868)):
#0  0x00007ffdb69ec9f0 in clock_gettime ()
#1  0x00007f0fc1f2c7b6 in clock_gettime () at /usr/lib/libc.so.6
#2  0x00007f0fc283d041 in  () at /usr/lib/libQt5Core.so.5
#3  0x00007f0fc283b879 in QTimerInfoList::updateCurrentTime() () at /usr/lib/libQt5Core.so.5
#4  0x00007f0fc283be55 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/libQt5Core.so.5
#5  0x00007f0fc283d47e in  () at /usr/lib/libQt5Core.so.5
#6  0x00007f0fbcad0138 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#7  0x00007f0fbcad0b2b in  () at /usr/lib/libglib-2.0.so.0
#8  0x00007f0fbcad0d0c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#9  0x00007f0fc283de9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#10 0x00007f0fc27e421a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#11 0x00007f0fc260640a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#12 0x00007f0fc632d836 in  () at /usr/lib/libQt5Quick.so.5
#13 0x00007f0fc260acbd in  () at /usr/lib/libQt5Core.so.5
#14 0x00007f0fc17d3297 in start_thread () at /usr/lib/libpthread.so.0
#15 0x00007f0fc1f1f25f in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f0f9305a700 (LWP 867)):
#0  0x00007f0fc17d939d in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f0fc8048ac4 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007f0fc8048b09 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007f0fc17d3297 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f0fc1f1f25f in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f0fa2236700 (LWP 863)):
#0  0x00007f0fbcb15a44 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f0fbcacfac7 in g_main_context_acquire () at /usr/lib/libglib-2.0.so.0
#2  0x00007f0fbcad0ab5 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f0fbcad0d0c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f0fc283de9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f0fc27e421a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f0fc260640a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f0fc5775645 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007f0fc260acbd in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f0fc17d3297 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f0fc1f1f25f in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f0faabe9700 (LWP 859)):
#0  0x00007f0fbcacdb91 in  () at /usr/lib/libglib-2.0.so.0
#1  0x00007f0fbcad0511 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0x00007f0fbcad0ba0 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f0fbcad0d0c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f0fc283de9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f0fc27e421a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f0fc260640a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f0fc5775645 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007f0fc260acbd in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f0fc17d3297 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f0fc1f1f25f in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f0fabfff700 (LWP 805)):
#0  0x00007f0fbcb15a20 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f0fbcad0143 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0x00007f0fbcad0b2b in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f0fbcad0d0c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f0fc283de9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f0fc27e421a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f0fc260640a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f0fc2c64d45 in  () at /usr/lib/libQt5DBus.so.5
#8  0x00007f0fc260acbd in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f0fc17d3297 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f0fc1f1f25f in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f0fb2808700 (LWP 771)):
#0  0x00007f0fc1f152bd in poll () at /usr/lib/libc.so.6
#1  0x00007f0fc6f568e0 in  () at /usr/lib/libxcb.so.1
#2  0x00007f0fc6f58679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f0fb4d79d49 in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f0fc260acbd in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f0fc17d3297 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f0fc1f1f25f in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f0fc88c7d80 (LWP 764)):
[KCrash Handler]
#5  0x00007f0f014e24a4 in  () at /usr/lib/qt/plugins/plasma/applets/plasma_applet_notifications.so
#6  0x00007f0fc281457f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#7  0x00007f0fc281457f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#8  0x00007f0fc2814bdf in QObject::destroyed(QObject*) () at /usr/lib/libQt5Core.so.5
#9  0x00007f0fc281b44a in QObject::~QObject() () at /usr/lib/libQt5Core.so.5
#10 0x00007f0fc6a9f959 in Plasma::Containment::~Containment() () at /usr/lib/libKF5Plasma.so.5
#11 0x0000000000443af1 in  ()
#12 0x0000000000451ba0 in  ()
#13 0x00000000004820e2 in  ()
#14 0x00007f0fc2c700f8 in  () at /usr/lib/libQt5DBus.so.5
#15 0x00007f0fc2c750c0 in  () at /usr/lib/libQt5DBus.so.5
#16 0x00007f0fc2c7597c in  () at /usr/lib/libQt5DBus.so.5
#17 0x00007f0fc2c7809e in  () at /usr/lib/libQt5DBus.so.5
#18 0x00007f0fc2814e72 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#19 0x00007f0fc379b46c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#20 0x00007f0fc37a2cf4 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#21 0x00007f0fc27e5b98 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#22 0x00007f0fc27e802d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#23 0x00007f0fc283da63 in  () at /usr/lib/libQt5Core.so.5
#24 0x00007f0fbcad0a47 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#25 0x00007f0fbcad0c78 in  () at /usr/lib/libglib-2.0.so.0
#26 0x00007f0fbcad0d0c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#27 0x00007f0fc283de7f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#28 0x00007f0fc27e421a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#29 0x00007f0fc27eca74 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#30 0x000000000041cc32 in  ()
#31 0x00007f0fc1e5243a in __libc_start_main () at /usr/lib/libc.so.6
#32 0x000000000041cfaa in _start ()

Reported using DrKonqi