Application: plasmashell (5.5.1)

Qt Version: 5.5.1
Operating System: Linux 4.2.8-300.fc23.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
probably the proprietary driver.
other desktop environmanet also crash on login

until yesterday this machine was fine, must look at recent updates

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f92d6114940 (LWP 2988))]

Thread 7 (Thread 0x7f92b517b700 (LWP 3007)):
#0  0x00007f92cdaf0fdd in poll () at /lib64/libc.so.6
#1  0x00007f92d3fa8272 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007f92d3fa9ee7 in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007f92b7f27da9 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007f92ce6f93de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007f92cce3460a in start_thread () at /lib64/libpthread.so.0
#6  0x00007f92cdafca4d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f92ac515700 (LWP 3013)):
#0  0x00007f92cce3c89d in __lll_lock_wait () at /lib64/libpthread.so.0
#1  0x00007f92cce36a36 in pthread_mutex_lock () at /lib64/libpthread.so.0
#2  0x00007f92cb84c22c in  () at /usr/lib64/nvidia/libGL.so.1
#3  0x00007f92cb851101 in  () at /usr/lib64/nvidia/libGL.so.1
#4  0x00007f92cb851608 in  () at /usr/lib64/nvidia/libGL.so.1
#5  0x00007f92c4a43102 in  () at /usr/lib64/nvidia/tls/libnvidia-tls.so.358.16
#6  0x00007f92c8fbe390 in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#7  0x00007f92c8f7ac64 in g_main_context_check () at /lib64/libglib-2.0.so.0
#8  0x00007f92c8f7b110 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#9  0x00007f92c8f7b27c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#10 0x00007f92ce930ecb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#11 0x00007f92ce8d7eca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#12 0x00007f92ce6f4434 in QThread::exec() () at /lib64/libQt5Core.so.5
#13 0x00007f92d2a3fb45 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#14 0x00007f92ce6f93de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#15 0x00007f92cce3460a in start_thread () at /lib64/libpthread.so.0
#16 0x00007f92cdafca4d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f92a3fff700 (LWP 3067)):
#0  0x00007f92c8fbf734 in g_mutex_unlock () at /lib64/libglib-2.0.so.0
#1  0x00007f92c8f7a700 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#2  0x00007f92c8f7b09b in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007f92c8f7b27c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007f92ce930ecb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f92ce8d7eca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007f92ce6f4434 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007f92d2a3fb45 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#8  0x00007f92ce6f93de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f92cce3460a in start_thread () at /lib64/libpthread.so.0
#10 0x00007f92cdafca4d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f92a2c6a700 (LWP 3137)):
#0  0x00007f92cdaf0fdd in poll () at /lib64/libc.so.6
#1  0x00007f92c8f7b16c in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f92c8f7b27c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f92ce930ecb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f92ce8d7eca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f92ce6f4434 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f92d2a3fb45 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f92ce6f93de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f92cce3460a in start_thread () at /lib64/libpthread.so.0
#9  0x00007f92cdafca4d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f92a134b700 (LWP 3233)):
#0  0x00007f92cce39b10 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f92d5898514 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /lib64/libQt5Script.so.5
#2  0x00007f92d5898559 in  () at /lib64/libQt5Script.so.5
#3  0x00007f92cce3460a in start_thread () at /lib64/libpthread.so.0
#4  0x00007f92cdafca4d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f9210da5700 (LWP 3268)):
#0  0x00007f92cdaf0fdd in poll () at /lib64/libc.so.6
#1  0x00007f92c8f7b16c in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f92c8f7b27c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f92ce930ecb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f92ce8d7eca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f92ce6f4434 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f92d35ed8d6 in QQuickPixmapReader::run() () at /lib64/libQt5Quick.so.5
#7  0x00007f92ce6f93de in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f92cce3460a in start_thread () at /lib64/libpthread.so.0
#9  0x00007f92cdafca4d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f92d6114940 (LWP 2988)):
[KCrash Handler]
#5  0x00007f92cda2ea98 in raise () at /lib64/libc.so.6
#6  0x00007f92cda3069a in abort () at /lib64/libc.so.6
#7  0x00007f92ce6e6b51 in  () at /lib64/libQt5Core.so.5
#8  0x00007f92d365a0e1 in  () at /lib64/libQt5Quick.so.5
#9  0x00007f92d365b0f5 in QSGGuiThreadRenderLoop::renderWindow(QQuickWindow*) () at /lib64/libQt5Quick.so.5
#10 0x00007f92d365c096 in QSGGuiThreadRenderLoop::exposureChanged(QQuickWindow*) () at /lib64/libQt5Quick.so.5
#11 0x00007f92cee1f995 in QWindow::event(QEvent*) () at /lib64/libQt5Gui.so.5
#12 0x00007f92d3695621 in QQuickWindow::event(QEvent*) () at /lib64/libQt5Quick.so.5
#13 0x000055e21d12e746 in DesktopView::event(QEvent*) ()
#14 0x00007f92cfe8e41c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#15 0x00007f92cfe938e6 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#16 0x00007f92ce8da73b in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#17 0x00007f92cee17e7c in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () at /lib64/libQt5Gui.so.5
#18 0x00007f92cee18bed in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /lib64/libQt5Gui.so.5
#19 0x00007f92cedfc918 in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Gui.so.5
#20 0x00007f92b7f590b0 in userEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5XcbQpa.so.5
#21 0x00007f92c8f7ae3a in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#22 0x00007f92c8f7b1d0 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#23 0x00007f92c8f7b27c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#24 0x00007f92ce930eaf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#25 0x00007f92ce8d7eca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#26 0x00007f92ce8dffac in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#27 0x000055e21d11f8a4 in main ()

Reported using DrKonqi