Application: plasmashell (5.4.1)

Qt Version: 5.5.0
Operating System: Linux 4.1.6-201.fc22.x86_64+debug x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
This was the first start after applying a bunch of updates to plasma and other item. 

I had removed .kde and .config before starting X. NO other changes were in effect.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7ff11cc66900 (LWP 16594))]

Thread 8 (Thread 0x7ff0fcc83700 (LWP 16603)):
#0  0x00007ff11465b2fd in poll () at /usr/lib64/libc.so.6
#1  0x00007ff11aa92182 in _xcb_conn_wait () at /usr/lib64/libxcb.so.1
#2  0x00007ff11aa93c77 in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007ff0fec03999 in QXcbEventReader::run() () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007ff11526754e in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff11330b555 in start_thread () at /usr/lib64/libpthread.so.0
#6  0x00007ff114666b9d in clone () at /usr/lib64/libc.so.6

Thread 7 (Thread 0x7ff0f9a4f700 (LWP 16699)):
#0  0x00007ff11465b2fd in poll () at /usr/lib64/libc.so.6
#1  0x00007ff10f80fdbc in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0x7ff0ec003070, timeout=<optimized out>, context=0x7ff0ec000990) at gmain.c:4103
#2  0x00007ff10f80fdbc in g_main_context_iterate (context=context@entry=0x7ff0ec000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3803
#3  0x00007ff10f80fecc in g_main_context_iteration (context=0x7ff0ec000990, may_block=1) at gmain.c:3869
#4  0x00007ff11549edab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff115445daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007ff1152625a4 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007ff119528245 in QQmlThreadPrivate::run() () at /usr/lib64/libQt5Qml.so.5
#8  0x00007ff11526754e in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#9  0x00007ff11330b555 in start_thread () at /usr/lib64/libpthread.so.0
#10 0x00007ff114666b9d in clone () at /usr/lib64/libc.so.6

Thread 6 (Thread 0x7ff0f1017700 (LWP 16761)):
#0  0x00007ff11465b2fd in poll () at /usr/lib64/libc.so.6
#1  0x00007ff10f80fdbc in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0x7ff0e4002e70, timeout=<optimized out>, context=0x7ff0e4000990) at gmain.c:4103
#2  0x00007ff10f80fdbc in g_main_context_iterate (context=context@entry=0x7ff0e4000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3803
#3  0x00007ff10f80fecc in g_main_context_iteration (context=0x7ff0e4000990, may_block=1) at gmain.c:3869
#4  0x00007ff11549edab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff115445daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007ff1152625a4 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007ff119528245 in QQmlThreadPrivate::run() () at /usr/lib64/libQt5Qml.so.5
#8  0x00007ff11526754e in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#9  0x00007ff11330b555 in start_thread () at /usr/lib64/libpthread.so.0
#10 0x00007ff114666b9d in clone () at /usr/lib64/libc.so.6

Thread 5 (Thread 0x7ff0ea3d2700 (LWP 17107)):
#0  0x00007ff113310540 in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib64/libpthread.so.0
#1  0x00007ff11c361494 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /usr/lib64/libQt5Script.so.5
#2  0x00007ff11c3614d9 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007ff11330b555 in start_thread () at /usr/lib64/libpthread.so.0
#4  0x00007ff114666b9d in clone () at /usr/lib64/libc.so.6

Thread 4 (Thread 0x7ff063fff700 (LWP 17109)):
#0  0x00007ff11465b2fd in poll () at /usr/lib64/libc.so.6
#1  0x00007ff10f80fdbc in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0x7ff05c003070, timeout=<optimized out>, context=0x7ff05c000990) at gmain.c:4103
#2  0x00007ff10f80fdbc in g_main_context_iterate (context=context@entry=0x7ff05c000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3803
#3  0x00007ff10f80fecc in g_main_context_iteration (context=0x7ff05c000990, may_block=1) at gmain.c:3869
#4  0x00007ff11549edab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff115445daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007ff1152625a4 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007ff119528245 in QQmlThreadPrivate::run() () at /usr/lib64/libQt5Qml.so.5
#8  0x00007ff11526754e in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#9  0x00007ff11330b555 in start_thread () at /usr/lib64/libpthread.so.0
#10 0x00007ff114666b9d in clone () at /usr/lib64/libc.so.6

Thread 3 (Thread 0x7ff05bd45700 (LWP 17124)):
#0  0x00007ff11465b2fd in poll () at /usr/lib64/libc.so.6
#1  0x00007ff10f80fdbc in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0x7ff054003120, timeout=<optimized out>, context=0x7ff054000990) at gmain.c:4103
#2  0x00007ff10f80fdbc in g_main_context_iterate (context=context@entry=0x7ff054000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3803
#3  0x00007ff10f80fecc in g_main_context_iteration (context=0x7ff054000990, may_block=1) at gmain.c:3869
#4  0x00007ff11549edab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff115445daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007ff1152625a4 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007ff11a0ca616 in QQuickPixmapReader::run() () at /usr/lib64/libQt5Quick.so.5
#8  0x00007ff11526754e in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#9  0x00007ff11330b555 in start_thread () at /usr/lib64/libpthread.so.0
#10 0x00007ff114666b9d in clone () at /usr/lib64/libc.so.6

Thread 2 (Thread 0x7ff04fc49700 (LWP 17131)):
#0  0x00007ff11465b2fd in poll () at /usr/lib64/libc.so.6
#1  0x00007ff10f80fdbc in g_main_context_iterate (priority=2147483647, n_fds=1, fds=0x7ff0480048c0, timeout=<optimized out>, context=0x7ff048000990) at gmain.c:4103
#2  0x00007ff10f80fdbc in g_main_context_iterate (context=context@entry=0x7ff048000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3803
#3  0x00007ff10f80fecc in g_main_context_iteration (context=0x7ff048000990, may_block=1) at gmain.c:3869
#4  0x00007ff11549edab in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007ff115445daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007ff1152625a4 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007ff051898397 in KCupsConnection::run() (this=0x478d890) at ../../libkcups/KCupsConnection.cpp:303
#8  0x00007ff11526754e in QThreadPrivate::start(void*) () at /usr/lib64/libQt5Core.so.5
#9  0x00007ff11330b555 in start_thread () at /usr/lib64/libpthread.so.0
#10 0x00007ff114666b9d in clone () at /usr/lib64/libc.so.6

Thread 1 (Thread 0x7ff11cc66900 (LWP 16594)):
[KCrash Handler]
#5  0x00007ff0f2d9f71f in brw_workaround_depthstencil_alignment () at /usr/lib64/dri/i965_dri.so
#6  0x00007ff0f2d27883 in brw_clear () at /usr/lib64/dri/i965_dri.so
#7  0x00007ff11a0fa3fa in QSGBatchRenderer::Renderer::renderBatches() () at /usr/lib64/libQt5Quick.so.5
#8  0x00007ff11a0ffde2 in QSGBatchRenderer::Renderer::render() () at /usr/lib64/libQt5Quick.so.5
#9  0x00007ff11a10badf in QSGRenderer::renderScene(QSGBindable const&) () at /usr/lib64/libQt5Quick.so.5
#10 0x00007ff11a10c32b in QSGRenderer::renderScene(unsigned int) () at /usr/lib64/libQt5Quick.so.5
#11 0x00007ff11a11c71e in QSGRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () at /usr/lib64/libQt5Quick.so.5
#12 0x00007ff11a16665b in QQuickWindowPrivate::renderSceneGraph(QSize const&) () at /usr/lib64/libQt5Quick.so.5
#13 0x00007ff11a13701b in QSGGuiThreadRenderLoop::renderWindow(QQuickWindow*) () at /usr/lib64/libQt5Quick.so.5
#14 0x00007ff11a138916 in QSGGuiThreadRenderLoop::exposureChanged(QQuickWindow*) () at /usr/lib64/libQt5Quick.so.5
#15 0x00007ff11598d585 in QWindow::event(QEvent*) () at /usr/lib64/libQt5Gui.so.5
#16 0x00007ff11a171e91 in QQuickWindow::event(QEvent*) () at /usr/lib64/libQt5Quick.so.5
#17 0x0000000000445a9b in PanelView::event(QEvent*) (this=0x3dc1330, e=0x7ffc653bd210) at ../../shell/panelview.cpp:828
#18 0x00007ff1169fe4ac in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#19 0x00007ff116a03976 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#20 0x00007ff11544861b in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#21 0x00007ff115985abc in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () at /usr/lib64/libQt5Gui.so.5
#22 0x00007ff11598683d in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib64/libQt5Gui.so.5
#23 0x00007ff11596a5d8 in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Gui.so.5
#24 0x00007ff0fec34b10 in userEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /usr/lib64/libQt5XcbQpa.so.5
#25 0x00007ff10f80fa8a in g_main_context_dispatch (context=0x7ff0f40016f0) at gmain.c:3122
#26 0x00007ff10f80fa8a in g_main_context_dispatch (context=context@entry=0x7ff0f40016f0) at gmain.c:3737
#27 0x00007ff10f80fe20 in g_main_context_iterate (context=context@entry=0x7ff0f40016f0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3808
#28 0x00007ff10f80fecc in g_main_context_iteration (context=0x7ff0f40016f0, may_block=1) at gmain.c:3869
#29 0x00007ff11549ed8f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#30 0x00007ff115445daa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#31 0x00007ff11544de6c in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#32 0x00000000004302c3 in main(int, char**) (argc=2, argv=<optimized out>) at ../../shell/main.cpp:176

Possible duplicates by query: bug 351509, bug 343756.

Reported using DrKonqi