Application: plasmashell (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.4.0-21-generic x86_64
Distribution: Ubuntu 16.04 LTS

-- Information about the crash:
Installing 16.4 over 15.4. (no disk format, same root partition)

-- 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 0x7fe606ae28c0 (LWP 29009))]

Thread 7 (Thread 0x7fe5f2d5b700 (LWP 29012)):
#0  0x00007fe6011e4e8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fe6052a9c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fe6052ab8d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fe5f54db629 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007fe6018da84e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fe6009c76fa in start_thread (arg=0x7fe5f2d5b700) at pthread_create.c:333
#6  0x00007fe6011f0b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7fe5e9b1d700 (LWP 29014)):
#0  0x00007fe6018d983e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x00007fe601b10ffa in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007fe5fdf798ad in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe5fdf7a24b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fe5fdf7a42c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fe601b11a9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fe601ab8dea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fe6018d58a4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fe60417d3c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#9  0x00007fe6018da84e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fe6009c76fa in start_thread (arg=0x7fe5e9b1d700) at pthread_create.c:333
#11 0x00007fe6011f0b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7fe5dffbc700 (LWP 29015)):
#0  0x00007fe6011e4e8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fe5fdf7a31c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe5fdf7a42c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe601b11a9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe601ab8dea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fe6018d58a4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fe60417d3c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fe6018da84e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fe6009c76fa in start_thread (arg=0x7fe5dffbc700) at pthread_create.c:333
#9  0x00007fe6011f0b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fe5de14b700 (LWP 29016)):
#0  0x00007fe5fdf7a28c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fe5fdf7a42c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe601b11a9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007fe601ab8dea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe6018d58a4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fe60417d3c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007fe6018da84e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007fe6009c76fa in start_thread (arg=0x7fe5de14b700) at pthread_create.c:333
#8  0x00007fe6011f0b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fe5dc807700 (LWP 29017)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fe606522bd4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007fe606522c19 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007fe6009c76fa in start_thread (arg=0x7fe5dc807700) at pthread_create.c:333
#4  0x00007fe6011f0b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fe5d5382700 (LWP 29018)):
#0  0x00007fe6011e4e86 in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fe5fdf7a31c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe5fdf7a42c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe601b11a9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007fe601ab8dea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007fe6018d58a4 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007fe604b03ed6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7  0x00007fe6018da84e in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007fe6009c76fa in start_thread (arg=0x7fe5d5382700) at pthread_create.c:333
#9  0x00007fe6011f0b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fe606ae28c0 (LWP 29009)):
[KCrash Handler]
#6  0x00007fe60111f418 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
#7  0x00007fe60112101a in __GI_abort () at abort.c:89
#8  0x00007fe6018c7ff1 in QMessageLogger::fatal(char const*, ...) const () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007fe604b70af1 in QSGRenderLoop::handleContextCreationFailure(QQuickWindow*, bool) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007fe604b71b05 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007fe604b72aa6 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007fe601e062e5 in QWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#13 0x00007fe604bac871 in QQuickWindow::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x000000000043f206 in DesktopView::event(QEvent*) ()
#15 0x00007fe6025be05c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007fe6025c3516 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007fe601abb62b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007fe601dfe4ec in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#19 0x00007fe601dff25d in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#20 0x00007fe601de2f38 in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#21 0x00007fe5f550cf10 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#22 0x00007fe5fdf7a127 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007fe5fdf7a380 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007fe5fdf7a42c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007fe601b11a7f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007fe601ab8dea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#27 0x00007fe601ac0e8c in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#28 0x0000000000432d4a in main ()

Possible duplicates by query: bug 362228, bug 362198, bug 362123, bug 362060, bug 361818.

Reported using DrKonqi