https://bugs.kde.org/show_bug.cgi?id=358806

            Bug ID: 358806
           Summary: Plasma Crashed for no Apparent Reason
           Product: plasmashell
           Version: 5.5.3
          Platform: Fedora RPMs
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: p6...@yahoo.com
                CC: bhus...@gmail.com, plasma-b...@kde.org

Application: plasmashell (5.5.3)

Qt Version: 5.5.1
Operating System: Linux 4.3.3-303.fc23.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- What I was doing when the application crashed:  I had just finished using
firefox web browser.  After the application had closed the plasma crash
occured.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f5a43bcc940 (LWP 2616))]

Thread 8 (Thread 0x7f5a23c9f700 (LWP 2621)):
#0  0x00007f5a3b5b3fdd in poll () at /lib64/libc.so.6
#1  0x00007f5a41a6b272 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007f5a41a6cee7 in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007f5a25c29da9 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007f5a3c1bc3de in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#5  0x00007f5a3a8f760a in start_thread () at /lib64/libpthread.so.0
#6  0x00007f5a3b5bfa4d in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f5a21251700 (LWP 2622)):
#0  0x00007ffddcddebbf in clock_gettime ()
#1  0x00007f5a3b5cdcc6 in clock_gettime () at /lib64/libc.so.6
#2  0x00007f5a3c26c956 in qt_gettime() () at /lib64/libQt5Core.so.5
#3  0x00007f5a3c3f1949 in QTimerInfoList::updateCurrentTime() () at
/lib64/libQt5Core.so.5
#4  0x00007f5a3c3f1eb5 in QTimerInfoList::timerWait(timespec&) () at
/lib64/libQt5Core.so.5
#5  0x00007f5a3c3f32ae in timerSourcePrepare(_GSource*, int*) () at
/lib64/libQt5Core.so.5
#6  0x00007f5a36ad970d in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#7  0x00007f5a36ada09b in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#8  0x00007f5a36ada27c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#9  0x00007f5a3c3f3ecb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#10 0x00007f5a3c39aeca in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#11 0x00007f5a3c1b7434 in QThread::exec() () at /lib64/libQt5Core.so.5
#12 0x00007f5a40502b45 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#13 0x00007f5a3c1bc3de in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#14 0x00007f5a3a8f760a in start_thread () at /lib64/libpthread.so.0
#15 0x00007f5a3b5bfa4d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f5a108cf700 (LWP 2623)):
#0  0x00007ffddcddebbf in clock_gettime ()
#1  0x00007f5a3b5cdcc6 in clock_gettime () at /lib64/libc.so.6
#2  0x00007f5a3c26c956 in qt_gettime() () at /lib64/libQt5Core.so.5
#3  0x00007f5a3c3f1949 in QTimerInfoList::updateCurrentTime() () at
/lib64/libQt5Core.so.5
#4  0x00007f5a3c3f1eb5 in QTimerInfoList::timerWait(timespec&) () at
/lib64/libQt5Core.so.5
#5  0x00007f5a3c3f32ae in timerSourcePrepare(_GSource*, int*) () at
/lib64/libQt5Core.so.5
#6  0x00007f5a36ad970d in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#7  0x00007f5a36ada09b in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#8  0x00007f5a36ada27c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#9  0x00007f5a3c3f3ecb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#10 0x00007f5a3c39aeca in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#11 0x00007f5a3c1b7434 in QThread::exec() () at /lib64/libQt5Core.so.5
#12 0x00007f5a40502b45 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#13 0x00007f5a3c1bc3de in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#14 0x00007f5a3a8f760a in start_thread () at /lib64/libpthread.so.0
#15 0x00007f5a3b5bfa4d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f5a0adf4700 (LWP 2624)):
#0  0x00007f5a3b5b3fdd in poll () at /lib64/libc.so.6
#1  0x00007f5a36ada16c in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#2  0x00007f5a36ada27c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#3  0x00007f5a3c3f3ecb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#4  0x00007f5a3c39aeca in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#5  0x00007f5a3c1b7434 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f5a40502b45 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f5a3c1bc3de in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#8  0x00007f5a3a8f760a in start_thread () at /lib64/libpthread.so.0
#9  0x00007f5a3b5bfa4d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f5a09477700 (LWP 2625)):
#0  0x00007f5a3a8fcb10 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f5a4335b514 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at
/lib64/libQt5Script.so.5
#2  0x00007f5a4335b559 in  () at /lib64/libQt5Script.so.5
#3  0x00007f5a3a8f760a in start_thread () at /lib64/libpthread.so.0
#4  0x00007f5a3b5bfa4d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f59827e4700 (LWP 2626)):
#0  0x00007ffddcddebbf in clock_gettime ()
#1  0x00007f5a3b5cdcc6 in clock_gettime () at /lib64/libc.so.6
#2  0x00007f5a3c26c956 in qt_gettime() () at /lib64/libQt5Core.so.5
#3  0x00007f5a3c3f1949 in QTimerInfoList::updateCurrentTime() () at
/lib64/libQt5Core.so.5
#4  0x00007f5a3c3f1eb5 in QTimerInfoList::timerWait(timespec&) () at
/lib64/libQt5Core.so.5
#5  0x00007f5a3c3f32ae in timerSourcePrepare(_GSource*, int*) () at
/lib64/libQt5Core.so.5
#6  0x00007f5a36ad970d in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#7  0x00007f5a36ada09b in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#8  0x00007f5a36ada27c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#9  0x00007f5a3c3f3ecb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#10 0x00007f5a3c39aeca in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#11 0x00007f5a3c1b7434 in QThread::exec() () at /lib64/libQt5Core.so.5
#12 0x00007f5a410b08d6 in QQuickPixmapReader::run() () at
/lib64/libQt5Quick.so.5
#13 0x00007f5a3c1bc3de in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#14 0x00007f5a3a8f760a in start_thread () at /lib64/libpthread.so.0
#15 0x00007f5a3b5bfa4d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f59708ed700 (LWP 2628)):
#0  0x00007f5a3b5b3fdd in poll () at /lib64/libc.so.6
#1  0x00007f5a36ada16c in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#2  0x00007f5a36ada27c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#3  0x00007f5a3c3f3ecb in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#4  0x00007f5a3c39aeca in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#5  0x00007f5a3c1b7434 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f5972525547 in KCupsConnection::run() () at /lib64/libkcupslib.so
#7  0x00007f5a3c1bc3de in QThreadPrivate::start(void*) () at
/lib64/libQt5Core.so.5
#8  0x00007f5a3a8f760a in start_thread () at /lib64/libpthread.so.0
#9  0x00007f5a3b5bfa4d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f5a43bcc940 (LWP 2616)):
[KCrash Handler]
#5  0x00007f5a3b4f1a98 in raise () at /lib64/libc.so.6
#6  0x00007f5a3b4f369a in abort () at /lib64/libc.so.6
#7  0x00007f5a3b4ea227 in __assert_fail_base () at /lib64/libc.so.6
#8  0x00007f5a3b4ea2d2 in  () at /lib64/libc.so.6
#9  0x00007f5a19dee7ec in  () at /lib64/libdrm_nouveau.so.2
#10 0x00007f5a19defcb2 in nouveau_pushbuf_reloc () at
/lib64/libdrm_nouveau.so.2
#11 0x00007f5a1a6d7920 in nv30_transfer_copy_data () at
/usr/lib64/dri/nouveau_dri.so
#12 0x00007f5a1a6c1dac in nouveau_transfer_write () at
/usr/lib64/dri/nouveau_dri.so
#13 0x00007f5a1a6c1f68 in nouveau_buffer_transfer_unmap () at
/usr/lib64/dri/nouveau_dri.so
#14 0x00007f5a1a5d0756 in u_default_transfer_inline_write () at
/usr/lib64/dri/nouveau_dri.so
#15 0x00007f5a1a43ad07 in st_bufferobj_data () at /usr/lib64/dri/nouveau_dri.so
#16 0x00007f5a1a2fc1c0 in _mesa_buffer_data () at /usr/lib64/dri/nouveau_dri.so
#17 0x00007f5a1a2fc4ff in _mesa_BufferData () at /usr/lib64/dri/nouveau_dri.so
#18 0x00007f5a410d8eef in
QSGBatchRenderer::Renderer::unmap(QSGBatchRenderer::Buffer*, bool) () at
/lib64/libQt5Quick.so.5
#19 0x00007f5a410db2f9 in
QSGBatchRenderer::Renderer::uploadBatch(QSGBatchRenderer::Batch*) () at
/lib64/libQt5Quick.so.5
#20 0x00007f5a410e6376 in QSGBatchRenderer::Renderer::render() () at
/lib64/libQt5Quick.so.5
#21 0x00007f5a410f20af in QSGRenderer::renderScene(QSGBindable const&) () at
/lib64/libQt5Quick.so.5
#22 0x00007f5a410f28fb in QSGRenderer::renderScene(unsigned int) () at
/lib64/libQt5Quick.so.5
#23 0x00007f5a41102dde in QSGRenderContext::renderNextFrame(QSGRenderer*,
unsigned int) () at /lib64/libQt5Quick.so.5
#24 0x00007f5a4114cdcb in QQuickWindowPrivate::renderSceneGraph(QSize const&)
() at /lib64/libQt5Quick.so.5
#25 0x00007f5a4111d78b in QSGGuiThreadRenderLoop::renderWindow(QQuickWindow*)
() at /lib64/libQt5Quick.so.5
#26 0x00007f5a4111e891 in QSGGuiThreadRenderLoop::event(QEvent*) () at
/lib64/libQt5Quick.so.5
#27 0x00007f5a3d95141c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /lib64/libQt5Widgets.so.5
#28 0x00007f5a3d9568e6 in QApplication::notify(QObject*, QEvent*) () at
/lib64/libQt5Widgets.so.5
#29 0x00007f5a3c39d73b in QCoreApplication::notifyInternal(QObject*, QEvent*)
() at /lib64/libQt5Core.so.5
#30 0x00007f5a3c3f2ccd in QTimerInfoList::activateTimers() () at
/lib64/libQt5Core.so.5
#31 0x00007f5a3c3f3209 in idleTimerSourceDispatch(_GSource*, int (*)(void*),
void*) () at /lib64/libQt5Core.so.5
#32 0x00007f5a36ad9e3a in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#33 0x00007f5a36ada1d0 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#34 0x00007f5a36ada27c in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#35 0x00007f5a3c3f3eaf in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /lib64/libQt5Core.so.5
#36 0x00007f5a3c39aeca in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/lib64/libQt5Core.so.5
#37 0x00007f5a3c3a2fac in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#38 0x0000558515b1208a in main ()

Reported using DrKonqi

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