Bug 373560

Application: plasmashell (5.7.5)

Qt Version: 5.6.1
Frameworks Version: 5.27.0
Operating System: Linux 4.8.8-200.fc24.i686 i686
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- What I was doing when the application crashed:
No application was runing
I was just in plasma launcher, looking à Digikan

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Aborted
Using host libthread_db library "/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0xb192eac0 (LWP 1663))]

Thread 9 (Thread 0x9b043b40 (LWP 2102)):
#0  0xb77b7ce5 in __kernel_vsyscall ()
#1  0xb4b1a24f in read () from /lib/libc.so.6
#2  0xb40f4d06 in g_wakeup_acknowledge () from /lib/libglib-2.0.so.0
#3  0xb40aba02 in g_main_context_check () from /lib/libglib-2.0.so.0
#4  0xb40abf02 in g_main_context_iterate.isra () from /lib/libglib-2.0.so.0
#5  0xb40ac0b7 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#6  0xb50a226f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5Core.so.5
#7  0xb5045f10 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5Core.so.5
#8  0xb4e8943b in QThread::exec() () from /lib/libQt5Core.so.5
#9  0xb69ecea0 in QQmlThreadPrivate::run() () from /lib/sse2/libQt5Qml.so.5
#10 0xb4e8e74a in QThreadPrivate::start(void*) () from /lib/libQt5Core.so.5
#11 0xb48883ee in start_thread () from /lib/libpthread.so.0
#12 0xb4b2e92e in clone () from /lib/libc.so.6

Thread 8 (Thread 0xa0719b40 (LWP 1931)):
#0  0xb4e860c3 in QMutex::lock() () from /lib/libQt5Core.so.5
#1  0xb50a1f2f in postEventSourcePrepare(_GSource*, int*) () from /lib/libQt5Core.so.5
#2  0xb50a1fb8 in postEventSourceCheck(_GSource*) () from /lib/libQt5Core.so.5
#3  0xb40ab923 in g_main_context_check () from /lib/libglib-2.0.so.0
#4  0xb40abf02 in g_main_context_iterate.isra () from /lib/libglib-2.0.so.0
#5  0xb40ac0b7 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#6  0xb50a226f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5Core.so.5
#7  0xb5045f10 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5Core.so.5
#8  0xb4e8943b in QThread::exec() () from /lib/libQt5Core.so.5
#9  0xa0ade705 in KCupsConnection::run() () from /lib/libkcupslib.so
#10 0xb4e8e74a in QThreadPrivate::start(void*) () from /lib/libQt5Core.so.5
#11 0xb48883ee in start_thread () from /lib/libpthread.so.0
#12 0xb4b2e92e in clone () from /lib/libc.so.6

Thread 7 (Thread 0xa6721b40 (LWP 1908)):
#0  0xb77b7ce5 in __kernel_vsyscall ()
#1  0xb77b7979 in __vdso_clock_gettime ()
#2  0xb4b3cd51 in clock_gettime () from /lib/libc.so.6
#3  0xb4f1f526 in qt_gettime() () from /lib/libQt5Core.so.5
#4  0xb50a03d2 in QTimerInfoList::updateCurrentTime() () from /lib/libQt5Core.so.5
#5  0xb50a0847 in QTimerInfoList::timerWait(timespec&) () from /lib/libQt5Core.so.5
#6  0xb50a1cfb in timerSourcePrepareHelper(GTimerSource*, int*) () from /lib/libQt5Core.so.5
#7  0xb50a1dbd in timerSourcePrepare(_GSource*, int*) () from /lib/libQt5Core.so.5
#8  0xb40ab3fb in g_main_context_prepare () from /lib/libglib-2.0.so.0
#9  0xb40abe62 in g_main_context_iterate.isra () from /lib/libglib-2.0.so.0
#10 0xb40ac0b7 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#11 0xb50a226f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5Core.so.5
#12 0xb5045f10 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5Core.so.5
#13 0xb4e8943b in QThread::exec() () from /lib/libQt5Core.so.5
#14 0xb6d3a181 in QQuickPixmapReader::run() () from /lib/libQt5Quick.so.5
#15 0xb4e8e74a in QThreadPrivate::start(void*) () from /lib/libQt5Core.so.5
#16 0xb48883ee in start_thread () from /lib/libpthread.so.0
#17 0xb4b2e92e in clone () from /lib/libc.so.6

Thread 6 (Thread 0xacf6bb40 (LWP 1841)):
#0  0xb77b7ce5 in __kernel_vsyscall ()
#1  0xb488d58c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb7622a96 in QTWTF::TCMalloc_PageHeap::scavengerThread() () from /lib/libQt5Script.so.5
#3  0xb7622ae0 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*) () from /lib/libQt5Script.so.5
#4  0xb48883ee in start_thread () from /lib/libpthread.so.0
#5  0xb4b2e92e in clone () from /lib/libc.so.6

Thread 5 (Thread 0xae066b40 (LWP 1820)):
#0  0xb77b7ce5 in __kernel_vsyscall ()
#1  0xb77b7979 in __vdso_clock_gettime ()
#2  0xb4b3cd51 in clock_gettime () from /lib/libc.so.6
#3  0xb4f1f526 in qt_gettime() () from /lib/libQt5Core.so.5
#4  0xb50a03d2 in QTimerInfoList::updateCurrentTime() () from /lib/libQt5Core.so.5
#5  0xb50a0847 in QTimerInfoList::timerWait(timespec&) () from /lib/libQt5Core.so.5
#6  0xb50a1cfb in timerSourcePrepareHelper(GTimerSource*, int*) () from /lib/libQt5Core.so.5
#7  0xb50a1dbd in timerSourcePrepare(_GSource*, int*) () from /lib/libQt5Core.so.5
#8  0xb40ab3fb in g_main_context_prepare () from /lib/libglib-2.0.so.0
#9  0xb40abe62 in g_main_context_iterate.isra () from /lib/libglib-2.0.so.0
#10 0xb40ac0b7 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#11 0xb50a226f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5Core.so.5
#12 0xb5045f10 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5Core.so.5
#13 0xb4e8943b in QThread::exec() () from /lib/libQt5Core.so.5
#14 0xb69ecea0 in QQmlThreadPrivate::run() () from /lib/sse2/libQt5Qml.so.5
#15 0xb4e8e74a in QThreadPrivate::start(void*) () from /lib/libQt5Core.so.5
#16 0xb48883ee in start_thread () from /lib/libpthread.so.0
#17 0xb4b2e92e in clone () from /lib/libc.so.6

Thread 4 (Thread 0xaf3f4b40 (LWP 1708)):
#0  0xb40ab839 in g_main_context_check () from /lib/libglib-2.0.so.0
#1  0xb40abf02 in g_main_context_iterate.isra () from /lib/libglib-2.0.so.0
#2  0xb40ac0b7 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0xb50a226f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5Core.so.5
#4  0xb5045f10 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5Core.so.5
#5  0xb4e8943b in QThread::exec() () from /lib/libQt5Core.so.5
#6  0xb69ecea0 in QQmlThreadPrivate::run() () from /lib/sse2/libQt5Qml.so.5
#7  0xb4e8e74a in QThreadPrivate::start(void*) () from /lib/libQt5Core.so.5
#8  0xb48883ee in start_thread () from /lib/libpthread.so.0
#9  0xb4b2e92e in clone () from /lib/libc.so.6

Thread 3 (Thread 0xb0770b40 (LWP 1700)):
#0  0xb77b7ce5 in __kernel_vsyscall ()
#1  0xb4b1a24f in read () from /lib/libc.so.6
#2  0xb40f4d06 in g_wakeup_acknowledge () from /lib/libglib-2.0.so.0
#3  0xb40aba02 in g_main_context_check () from /lib/libglib-2.0.so.0
#4  0xb40abf02 in g_main_context_iterate.isra () from /lib/libglib-2.0.so.0
#5  0xb40ac0b7 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#6  0xb50a226f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5Core.so.5
#7  0xb5045f10 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5Core.so.5
#8  0xb4e8943b in QThread::exec() () from /lib/libQt5Core.so.5
#9  0xb57cb871 in QDBusConnectionManager::run() () from /lib/libQt5DBus.so.5
#10 0xb4e8e74a in QThreadPrivate::start(void*) () from /lib/libQt5Core.so.5
#11 0xb48883ee in start_thread () from /lib/libpthread.so.0
#12 0xb4b2e92e in clone () from /lib/libc.so.6

Thread 2 (Thread 0xb12ffb40 (LWP 1694)):
#0  0xb77b7ce5 in __kernel_vsyscall ()
#1  0xb4b21e8f in poll () from /lib/libc.so.6
#2  0xb7142518 in _xcb_conn_wait () from /lib/libxcb.so.1
#3  0xb7144880 in xcb_wait_for_event () from /lib/libxcb.so.1
#4  0xb162759b in QXcbEventReader::run() () from /lib/libQt5XcbQpa.so.5
#5  0xb4e8e74a in QThreadPrivate::start(void*) () from /lib/libQt5Core.so.5
#6  0xb48883ee in start_thread () from /lib/libpthread.so.0
#7  0xb4b2e92e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb192eac0 (LWP 1663)):
[KCrash Handler]
#7  0xb77b7ce5 in __kernel_vsyscall ()
#8  0xb4a64669 in raise () from /lib/libc.so.6
#9  0xb4a65d47 in abort () from /lib/libc.so.6
#10 0xb4a5ce17 in __assert_fail_base () from /lib/libc.so.6
#11 0xb4a5ce9b in __assert_fail () from /lib/libc.so.6
#12 0xac5eb562 in pushbuf_krel () from /lib/libdrm_nouveau.so.2
#13 0xac5ece93 in nouveau_pushbuf_reloc () from /lib/libdrm_nouveau.so.2
#14 0xab9dea39 in nv30_transfer_copy_data () from /usr/lib/dri/nouveau_dri.so
#15 0xab9c6efe in nouveau_transfer_write () from /usr/lib/dri/nouveau_dri.so
#16 0xab9c7195 in nouveau_buffer_transfer_unmap () from /usr/lib/dri/nouveau_dri.so
#17 0xab8be025 in u_default_transfer_inline_write () from /usr/lib/dri/nouveau_dri.so
#18 0xab6b29d6 in st_bufferobj_data () from /usr/lib/dri/nouveau_dri.so
#19 0xab541bd7 in _mesa_buffer_data () from /usr/lib/dri/nouveau_dri.so
#20 0xab541f32 in _mesa_BufferData () from /usr/lib/dri/nouveau_dri.so
#21 0xb6d6a5d5 in QSGBatchRenderer::Renderer::unmap(QSGBatchRenderer::Buffer*, bool) () from /lib/libQt5Quick.so.5
#22 0xb6d6c401 in QSGBatchRenderer::Renderer::uploadBatch(QSGBatchRenderer::Batch*) () from /lib/libQt5Quick.so.5
#23 0xb6d77669 in QSGBatchRenderer::Renderer::render() () from /lib/libQt5Quick.so.5
#24 0xb6d84849 in QSGRenderer::renderScene(QSGBindable const&) () from /lib/libQt5Quick.so.5
#25 0xb6d853e3 in QSGRenderer::renderScene(unsigned int) () from /lib/libQt5Quick.so.5
#26 0xb6d989ac in QSGRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () from /lib/libQt5Quick.so.5
#27 0xb6deaac8 in QQuickWindowPrivate::renderSceneGraph(QSize const&) () from /lib/libQt5Quick.so.5
#28 0xb6db1c83 in QSGGuiThreadRenderLoop::renderWindow(QQuickWindow*) () from /lib/libQt5Quick.so.5
#29 0xb6db3453 in QSGGuiThreadRenderLoop::event(QEvent*) () from /lib/libQt5Quick.so.5
#30 0xb5979b6c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/libQt5Widgets.so.5
#31 0xb597f7a0 in QApplication::notify(QObject*, QEvent*) () from /lib/libQt5Widgets.so.5
#32 0xb50474bc in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/libQt5Core.so.5
#33 0xb50a1451 in QTimerInfoList::activateTimers() () from /lib/libQt5Core.so.5
#34 0xb50a1c39 in timerSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib/libQt5Core.so.5
#35 0xb40abc13 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#36 0xb40abfe5 in g_main_context_iterate.isra () from /lib/libglib-2.0.so.0
#37 0xb40ac0b7 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#38 0xb50a2250 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5Core.so.5
#39 0xb16680b7 in QPAEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5XcbQpa.so.5
#40 0xb5045f10 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/libQt5Core.so.5
#41 0xb504e9f8 in QCoreApplication::exec() () from /lib/libQt5Core.so.5
#42 0xb535c9a5 in QGuiApplication::exec() () from /lib/libQt5Gui.so.5
#43 0xb5976465 in QApplication::exec() () from /lib/libQt5Widgets.so.5
#44 0x800fe010 in main ()

Possible duplicates by query: bug 360761, bug 360618, bug 358852.

Reported using DrKonqi