Application: plasmashell (5.4.2)

Qt Version: 5.5.0
Operating System: Linux 4.1.12-1-default x86_64
Distribution: "openSUSE Leap 42.1 (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:

This problem occurs if you "wake up" energy saving of monitor.

- fresh install + updates of openSUSE Leap 42.1 and default KDE config
- nvidia driver + two 4k monitors (DP)

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7ff24b560800 (LWP 2617))]

Thread 10 (Thread 0x7ff23375f700 (LWP 2620)):
#0  0x00007ff244ad6c1d in poll () at /lib64/libc.so.6
#1  0x00007ff2499dc422 in  () at /usr/lib64/libxcb.so.1
#2  0x00007ff2499de00f in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007ff235ee1c29 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007ff2451cd55f in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff2442e00a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007ff244adf04d in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7ff22bfff700 (LWP 2646)):
#0  0x00007ff244ad6c1d in poll () at /lib64/libc.so.6
#1  0x00007ff2411c7e64 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007ff2411c7f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007ff2453fea5b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007ff2453a5a63 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff2451c884a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007ff2484985f8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007ff2451cd55f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007ff2442e00a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007ff244adf04d in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7ff220112700 (LWP 2724)):
#0  0x00007ff241209d14 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007ff2411c74a0 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#2  0x00007ff2411c7d80 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007ff2411c7f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007ff2453fea5b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff2453a5a63 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007ff2451c884a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007ff2484985f8 in  () at /usr/lib64/libQt5Qml.so.5
#8  0x00007ff2451cd55f in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007ff2442e00a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007ff244adf04d in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7ff21ea92700 (LWP 2731)):
#0  0x00007ff2442e405f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007ff24ac407eb in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007ff24ac40819 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007ff2442e00a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007ff244adf04d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7ff21d86b700 (LWP 2732)):
#0  0x00007ff244ad6c1d in poll () at /lib64/libc.so.6
#1  0x00007ff2411c7e64 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007ff2411c7f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007ff2453fea5b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007ff2453a5a63 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff2451c884a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007ff2484985f8 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007ff2451cd55f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007ff2442e00a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007ff244adf04d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7ff195d93700 (LWP 2733)):
#0  0x00007ff244ad6c1d in poll () at /lib64/libc.so.6
#1  0x00007ff2411c7e64 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007ff2411c7f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007ff2453fea5b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007ff2453a5a63 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff2451c884a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007ff249024f82 in  () at /usr/lib64/libQt5Quick.so.5
#7  0x00007ff2451cd55f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007ff2442e00a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007ff244adf04d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7ff16ee07700 (LWP 2738)):
#0  0x00007ff244ad2ced in read () at /lib64/libc.so.6
#1  0x00007ff23cca6f75 in  () at /usr/lib64/tls/libnvidia-tls.so.352.55
#2  0x00007ff241208b60 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007ff2411c7999 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#4  0x00007ff2411c7df8 in  () at /usr/lib64/libglib-2.0.so.0
#5  0x00007ff2411c7f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#6  0x00007ff2453fea5b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007ff2453a5a63 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#8  0x00007ff2451c884a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#9  0x00007ff170453b77 in KCupsConnection::run() () at /usr/lib64/libkcupslib.so
#10 0x00007ff2451cd55f in  () at /usr/lib64/libQt5Core.so.5
#11 0x00007ff2442e00a4 in start_thread () at /lib64/libpthread.so.0
#12 0x00007ff244adf04d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7ff161b82700 (LWP 2772)):
#0  0x00007ff2442e405f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007ff2451ce57b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007ff2490979cb in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007ff249097e63 in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007ff2451cd55f in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff2442e00a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007ff244adf04d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7ff161381700 (LWP 2773)):
#0  0x00007ff2442e405f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007ff2451ce57b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007ff2490979cb in  () at /usr/lib64/libQt5Quick.so.5
#3  0x00007ff249097e63 in  () at /usr/lib64/libQt5Quick.so.5
#4  0x00007ff2451cd55f in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff2442e00a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007ff244adf04d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7ff24b560800 (LWP 2617)):
[KCrash Handler]
#6  0x00007ff24591ebd0 in QScreen::refreshRate() const () at /usr/lib64/libQt5Gui.so.5
#7  0x00007ff24909831f in  () at /usr/lib64/libQt5Quick.so.5
#8  0x00007ff24909848f in  () at /usr/lib64/libQt5Quick.so.5
#9  0x00007ff2453d7996 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#10 0x00007ff2451a703e in QUnifiedTimer::startAnimationDriver() () at /usr/lib64/libQt5Core.so.5
#11 0x00007ff2451a887a in QUnifiedTimer::startTimers() () at /usr/lib64/libQt5Core.so.5
#12 0x00007ff2453d8796 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#13 0x00007ff246720e8c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#14 0x00007ff246725cd8 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#15 0x00007ff2453a7ba5 in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#16 0x00007ff2453a9d67 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#17 0x00007ff2453ff5c3 in  () at /usr/lib64/libQt5Core.so.5
#18 0x00007ff2411c7c84 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#19 0x00007ff2411c7ed8 in  () at /usr/lib64/libglib-2.0.so.0
#20 0x00007ff2411c7f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#21 0x00007ff2453fea3c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#22 0x00007ff2453a5a63 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#23 0x00007ff2453ad5d6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#24 0x000000000043467b in main ()

Reported using DrKonqi