Bug 361193

Application: plasmashell (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.4.6-300.fc23.x86_64 x86_64
Distribution: "Fedora release 23 (Twenty Three)"

-- Information about the crash:
- What I was doing when the application crashed:

I played "Forge of empire" in google Chrome. Plasma falls several times a day.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fbb543a2940 (LWP 4325))]

Thread 10 (Thread 0x7fbb33943700 (LWP 4328)):
#0  0x00007fbb4bd7afdd in poll () from /lib64/libc.so.6
#1  0x00007fbb52235272 in _xcb_conn_wait () from /lib64/libxcb.so.1
#2  0x00007fbb52236ee7 in xcb_wait_for_event () from /lib64/libxcb.so.1
#3  0x00007fbb3626dda9 in QXcbEventReader::run() () from /lib64/libQt5XcbQpa.so.5
#4  0x00007fbb4c9833de in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#5  0x00007fbb4b0be60a in start_thread () from /lib64/libpthread.so.0
#6  0x00007fbb4bd86a4d in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7fbb30ef2700 (LWP 4331)):
#0  0x00007fbb4bd7afdd in poll () from /lib64/libc.so.6
#1  0x00007fbb4729e16c in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007fbb4729e27c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007fbb4cbbaecb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007fbb4cb61eca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007fbb4c97e434 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007fbb50ccc9b5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#7  0x00007fbb4c9833de in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007fbb4b0be60a in start_thread () from /lib64/libpthread.so.0
#9  0x00007fbb4bd86a4d in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7fbb29021700 (LWP 4349)):
#0  0x00007fbb4b0c3b10 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fbb2a596a23 in thread_function () from /usr/lib64/dri/swrast_dri.so
#2  0x00007fbb2a596887 in impl_thrd_routine () from /usr/lib64/dri/swrast_dri.so
#3  0x00007fbb4b0be60a in start_thread () from /lib64/libpthread.so.0
#4  0x00007fbb4bd86a4d in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7fbb28820700 (LWP 4350)):
#0  0x00007fbb4b0c3b10 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fbb2a596a23 in thread_function () from /usr/lib64/dri/swrast_dri.so
#2  0x00007fbb2a596887 in impl_thrd_routine () from /usr/lib64/dri/swrast_dri.so
#3  0x00007fbb4b0be60a in start_thread () from /lib64/libpthread.so.0
#4  0x00007fbb4bd86a4d in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7fbb2001b700 (LWP 4353)):
#0  0x00007fbb472e2734 in g_mutex_unlock () from /lib64/libglib-2.0.so.0
#1  0x00007fbb4729d700 in g_main_context_prepare () from /lib64/libglib-2.0.so.0
#2  0x00007fbb4729e09b in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#3  0x00007fbb4729e27c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x00007fbb4cbbaecb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007fbb4cb61eca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007fbb4c97e434 in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007fbb50ccc9b5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#8  0x00007fbb4c9833de in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007fbb4b0be60a in start_thread () from /lib64/libpthread.so.0
#10 0x00007fbb4bd86a4d in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7fbb1e55b700 (LWP 4354)):
#0  0x00007fbb4bd7afdd in poll () from /lib64/libc.so.6
#1  0x00007fbb4729e16c in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#2  0x00007fbb4729e27c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007fbb4cbbaecb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#4  0x00007fbb4cb61eca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007fbb4c97e434 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007fbb50ccc9b5 in QQmlThreadPrivate::run() () from /lib64/libQt5Qml.so.5
#7  0x00007fbb4c9833de in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#8  0x00007fbb4b0be60a in start_thread () from /lib64/libpthread.so.0
#9  0x00007fbb4bd86a4d in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7fbb1cbea700 (LWP 4355)):
#0  0x00007fbb4b0c3b10 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fbb53b25514 in QTWTF::TCMalloc_PageHeap::scavengerThread() () from /lib64/libQt5Script.so.5
#2  0x00007fbb53b25559 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /lib64/libQt5Script.so.5
#3  0x00007fbb4b0be60a in start_thread () from /lib64/libpthread.so.0
#4  0x00007fbb4bd86a4d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7fbb150b8700 (LWP 4357)):
#0  0x00007fbb472e2719 in g_mutex_lock () from /lib64/libglib-2.0.so.0
#1  0x00007fbb4729dbbc in g_main_context_check () from /lib64/libglib-2.0.so.0
#2  0x00007fbb4729e110 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#3  0x00007fbb4729e27c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x00007fbb4cbbaecb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007fbb4cb61eca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007fbb4c97e434 in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007fbb5187a8d6 in QQuickPixmapReader::run() () from /lib64/libQt5Quick.so.5
#8  0x00007fbb4c9833de in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007fbb4b0be60a in start_thread () from /lib64/libpthread.so.0
#10 0x00007fbb4bd86a4d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fba7f917700 (LWP 4364)):
#0  0x00007fbb472e2734 in g_mutex_unlock () from /lib64/libglib-2.0.so.0
#1  0x00007fbb4729dba9 in g_main_context_check () from /lib64/libglib-2.0.so.0
#2  0x00007fbb4729e110 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#3  0x00007fbb4729e27c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#4  0x00007fbb4cbbaecb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#5  0x00007fbb4cb61eca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#6  0x00007fbb4c97e434 in QThread::exec() () from /lib64/libQt5Core.so.5
#7  0x00007fba81553547 in KCupsConnection::run() () from /lib64/libkcupslib.so
#8  0x00007fbb4c9833de in QThreadPrivate::start(void*) () from /lib64/libQt5Core.so.5
#9  0x00007fbb4b0be60a in start_thread () from /lib64/libpthread.so.0
#10 0x00007fbb4bd86a4d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fbb543a2940 (LWP 4325)):
[KCrash Handler]
#5  0x00007fbb4bd17d31 in _wordcopy_fwd_aligned () from /lib64/libc.so.6
#6  0x00007fbb4bd1255f in __memmove_sse2 () from /lib64/libc.so.6
#7  0x00007fbb2a1fcf0d in drisw_update_tex_buffer () from /usr/lib64/dri/swrast_dri.so
#8  0x00007fbb2a1fb8c5 in dri_set_tex_buffer2 () from /usr/lib64/dri/swrast_dri.so
#9  0x00007fbb3009fb2a in Plasma::WindowThumbnail::windowToTextureGLX(Plasma::WindowTextureNode*) () from /usr/lib64/qt5/qml/org/kde/plasma/core/libcorebindingsplugin.so
#10 0x00007fbb300a0629 in Plasma::WindowThumbnail::windowToTexture(Plasma::WindowTextureNode*) () from /usr/lib64/qt5/qml/org/kde/plasma/core/libcorebindingsplugin.so
#11 0x00007fbb300a0b94 in Plasma::WindowThumbnail::updatePaintNode(QSGNode*, QQuickItem::UpdatePaintNodeData*) () from /usr/lib64/qt5/qml/org/kde/plasma/core/libcorebindingsplugin.so
#12 0x00007fbb519181c8 in QQuickWindowPrivate::updateDirtyNode(QQuickItem*) () from /lib64/libQt5Quick.so.5
#13 0x00007fbb51918a4b in QQuickWindowPrivate::updateDirtyNodes() () from /lib64/libQt5Quick.so.5
#14 0x00007fbb51918bc0 in QQuickWindowPrivate::syncSceneGraph() () from /lib64/libQt5Quick.so.5
#15 0x00007fbb518e792c in QSGGuiThreadRenderLoop::renderWindow(QQuickWindow*) () from /lib64/libQt5Quick.so.5
#16 0x00007fbb518e8aa1 in QSGGuiThreadRenderLoop::event(QEvent*) () from /lib64/libQt5Quick.so.5
#17 0x00007fbb4e11841c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#18 0x00007fbb4e11d8e6 in QApplication::notify(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#19 0x00007fbb4cb6473b in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#20 0x00007fbb4cbb9ccd in QTimerInfoList::activateTimers() () from /lib64/libQt5Core.so.5
#21 0x00007fbb4cbba1d1 in timerSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQt5Core.so.5
#22 0x00007fbb4729de3a in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#23 0x00007fbb4729e1d0 in g_main_context_iterate.isra () from /lib64/libglib-2.0.so.0
#24 0x00007fbb4729e27c in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#25 0x00007fbb4cbbaeaf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#26 0x00007fbb4cb61eca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#27 0x00007fbb4cb69fac in QCoreApplication::exec() () from /lib64/libQt5Core.so.5
#28 0x000056165883108a in main ()

Possible duplicates by query: bug 361142, bug 361119, bug 361110, bug 360900, bug 360496.

Reported using DrKonqi