Application: plasmashell (5.4.2)

Qt Version: 5.4.2
Operating System: Linux 4.2.0-42-generic x86_64
Distribution: Ubuntu 15.10

-- Information about the crash:
- What I was doing when the application crashed:
restarted computer and plasma crashed. only second screen working. main (built in) display not working.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fa073f61800 (LWP 1692))]

Thread 3 (Thread 0x7fa05cf5e700 (LWP 1715)):
#0  0x00007fa06e711b1d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fa06b4be1ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa06b4be2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa06f03b29b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa06efe175a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fa06edff3d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fa071627f85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fa06ee042be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fa06def36aa in start_thread (arg=0x7fa05cf5e700) at pthread_create.c:333
#9  0x00007fa06e71d13d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fa04db20700 (LWP 1732)):
#0  0x00007fa06e711b1d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fa06b4be1ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fa06b4be2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fa06f03b29b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fa06efe175a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fa06edff3d4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fa071627f85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fa06ee042be in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fa06def36aa in start_thread (arg=0x7fa04db20700) at pthread_create.c:333
#9  0x00007fa06e71d13d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fa073f61800 (LWP 1692)):
[KCrash Handler]
#6  0x00007fa06e64b1c7 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55
#7  0x00007fa06e64ce2a in __GI_abort () at abort.c:89
#8  0x00007fa06ea6fb7d in __gnu_cxx::__verbose_terminate_handler() () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#9  0x00007fa06ea6d9c6 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#10 0x00007fa06ea6da11 in std::terminate() () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#11 0x00007fa06ea6e55f in __cxa_pure_virtual () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#12 0x00007fa06f2f37ca in QPlatformScreen::physicalSize() const () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#13 0x00007fa06f32c212 in QScreen::physicalSize() const () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#14 0x00007fa06f32c2c9 in QScreen::physicalDotsPerInch() const () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#15 0x00007fa07211bb6b in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#16 0x00007fa06f01478a in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007fa06f309dbf in QWindow::screenChanged(QScreen*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#18 0x00007fa06f30acb5 in QWindowPrivate::emitScreenChangedRecursion(QScreen*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#19 0x00007fa06f30dcf3 in QWindowPrivate::setTopLevelScreen(QScreen*, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#20 0x00007fa06f30de85 in QWindow::screenDestroyed(QObject*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#21 0x00007fa06f014617 in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007fa06f01502f in QObject::destroyed(QObject*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007fa06f01c19a in QObject::~QObject() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x00007fa06f32c0c9 in QScreen::~QScreen() () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#25 0x00007fa06f2f3d49 in QPlatformScreen::~QPlatformScreen() () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#26 0x00007fa061911519 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#27 0x00007fa061904909 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#28 0x00007fa0619055c6 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#29 0x00007fa0619063b3 in ?? () from /usr/lib/x86_64-linux-gnu/qt5/plugins/platforms/libqxcb.so
#30 0x00007fa06f015651 in QObject::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007fa06fac1b8c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#32 0x00007fa06fac7230 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#33 0x00007fa06efe3f1b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007fa06efe6057 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007fa06f03ae73 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00007fa06b4bdff7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007fa06b4be250 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007fa06b4be2fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007fa06f03b27f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#40 0x00007fa06efe175a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#41 0x00007fa06efe92cc in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#42 0x00000000004322c3 in main (argc=2, argv=<optimized out>) at ../../shell/main.cpp:176

Possible duplicates by query: bug 361659, bug 360867, bug 355614, bug 355567, bug 354968.

Reported using DrKonqi