Bug 355700

Application: plasmashell (5.4.3)

Qt Version: 5.5.1
Operating System: Linux 4.2.6-300.fc23.x86_64 x86_64
Distribution: "Fedora release 23 (Twenty Three)"

-- Information about the crash:
- What I was doing when the application crashed:
I was copying data from sftp device and watching progres in notification plugin, when I plugged in USB pendrive plasma has crashed

-- Backtrace:
Application: Plazma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f99d532f940 (LWP 2542))]

Thread 9 (Thread 0x7f99b5066700 (LWP 2545)):
#0  0x00007f99ccd5ffdd in poll () at /lib64/libc.so.6
#1  0x00007f99d31fa272 in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007f99d31fbee7 in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007f99b6feada9 in QXcbEventReader::run() () at /lib64/libQt5XcbQpa.so.5
#4  0x00007f99cd9683ce in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#5  0x00007f99cba0760a in start_thread () at /lib64/libpthread.so.0
#6  0x00007f99ccd6ba7d in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f99aea9e700 (LWP 2653)):
#0  0x00007f99c7ed7734 in g_mutex_unlock () at /lib64/libglib-2.0.so.0
#1  0x00007f99c7e929e9 in g_main_context_query () at /lib64/libglib-2.0.so.0
#2  0x00007f99c7e930e7 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007f99c7e9327c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007f99cdb9ff0b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f99cdb46f0a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007f99cd963424 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007f99d1c86b45 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#8  0x00007f99cd9683ce in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f99cba0760a in start_thread () at /lib64/libpthread.so.0
#10 0x00007f99ccd6ba7d in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f99a4b99700 (LWP 2681)):
#0  0x00007f99cba0cb10 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f99a79dae3a in radeon_drm_cs_emit_ioctl () at /usr/lib64/dri/r600_dri.so
#2  0x00007f99a79da577 in impl_thrd_routine () at /usr/lib64/dri/r600_dri.so
#3  0x00007f99cba0760a in start_thread () at /lib64/libpthread.so.0
#4  0x00007f99ccd6ba7d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f99a2906700 (LWP 2688)):
#0  0x00007f99c7e901cc in g_source_iter_next () at /lib64/libglib-2.0.so.0
#1  0x00007f99c7e926ab in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#2  0x00007f99c7e9309b in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007f99c7e9327c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007f99cdb9ff0b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f99cdb46f0a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007f99cd963424 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007f99d1c86b45 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#8  0x00007f99cd9683ce in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f99cba0760a in start_thread () at /lib64/libpthread.so.0
#10 0x00007f99ccd6ba7d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f99a0c1c700 (LWP 2705)):
#0  0x00007f99ccd5ffdd in poll () at /lib64/libc.so.6
#1  0x00007f99c7e9316c in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f99c7e9327c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f99cdb9ff0b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f99cdb46f0a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f99cd963424 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f99d1c86b45 in QQmlThreadPrivate::run() () at /lib64/libQt5Qml.so.5
#7  0x00007f99cd9683ce in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f99cba0760a in start_thread () at /lib64/libpthread.so.0
#9  0x00007f99ccd6ba7d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f999b1c0700 (LWP 2724)):
#0  0x00007f99cba0cb10 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f99d4acc514 in QTWTF::TCMalloc_PageHeap::scavengerThread() () at /lib64/libQt5Script.so.5
#2  0x00007f99d4acc559 in  () at /lib64/libQt5Script.so.5
#3  0x00007f99cba0760a in start_thread () at /lib64/libpthread.so.0
#4  0x00007f99ccd6ba7d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f9913498700 (LWP 2962)):
#0  0x00007f99cdb9f45e in postEventSourcePrepare(_GSource*, int*) () at /lib64/libQt5Core.so.5
#1  0x00007f99c7e9270d in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#2  0x00007f99c7e9309b in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#3  0x00007f99c7e9327c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#4  0x00007f99cdb9ff0b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f99cdb46f0a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#6  0x00007f99cd963424 in QThread::exec() () at /lib64/libQt5Core.so.5
#7  0x00007f99d28308d6 in QQuickPixmapReader::run() () at /lib64/libQt5Quick.so.5
#8  0x00007f99cd9683ce in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#9  0x00007f99cba0760a in start_thread () at /lib64/libpthread.so.0
#10 0x00007f99ccd6ba7d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f9908537700 (LWP 3066)):
#0  0x00007f99ccd5ffdd in poll () at /lib64/libc.so.6
#1  0x00007f99c7e9316c in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#2  0x00007f99c7e9327c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007f99cdb9ff0b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#4  0x00007f99cdb46f0a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#5  0x00007f99cd963424 in QThread::exec() () at /lib64/libQt5Core.so.5
#6  0x00007f990a16d3c7 in KCupsConnection::run() () at /lib64/libkcupslib.so
#7  0x00007f99cd9683ce in QThreadPrivate::start(void*) () at /lib64/libQt5Core.so.5
#8  0x00007f99cba0760a in start_thread () at /lib64/libpthread.so.0
#9  0x00007f99ccd6ba7d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f99d532f940 (LWP 2542)):
[KCrash Handler]
#5  0x00007f99d1c0c464 in QQmlContext::isValid() const () at /lib64/libQt5Qml.so.5
#6  0x00007f99d1bfd235 in QQmlExpression::QQmlExpression(QQmlScriptString const&, QQmlContext*, QObject*, QObject*) () at /lib64/libQt5Qml.so.5
#7  0x00007f99d280dafc in QQuickScriptActionPrivate::execute() () at /lib64/libQt5Quick.so.5
#8  0x00007f99d1cbcfdd in QAbstractAnimationJob::setState(QAbstractAnimationJob::State) () at /lib64/libQt5Qml.so.5
#9  0x00007f99d1cbe87c in QSequentialAnimationGroupJob::activateCurrentAnimation(bool) () at /lib64/libQt5Qml.so.5
#10 0x00007f99d1cbe96c in QSequentialAnimationGroupJob::uncontrolledAnimationFinished(QAbstractAnimationJob*) () at /lib64/libQt5Qml.so.5
#11 0x00007f99d1cbc56f in QAbstractAnimationJob::finished() () at /lib64/libQt5Qml.so.5
#12 0x00007f99d1cbd0d8 in QAbstractAnimationJob::setState(QAbstractAnimationJob::State) () at /lib64/libQt5Qml.so.5
#13 0x00007f99d2850549 in QQuickAnimatorProxyJob::setWindow(QQuickWindow*) () at /lib64/libQt5Quick.so.5
#14 0x00007f99cdb782ea in QMetaObject::activate(QObject*, int, int, void**) () at /lib64/libQt5Core.so.5
#15 0x00007f99d28b4b12 in QQuickItem::windowChanged(QQuickWindow*) () at /lib64/libQt5Quick.so.5
#16 0x00007f99d28c0c6b in QQuickItemPrivate::derefWindow() () at /lib64/libQt5Quick.so.5
#17 0x00007f99d28c2d3c in QQuickItem::setParentItem(QQuickItem*) () at /lib64/libQt5Quick.so.5
#18 0x00007f99d28c31f6 in QQuickItem::~QQuickItem() () at /lib64/libQt5Quick.so.5
#19 0x00007f99d28ddcd6 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement() () at /lib64/libQt5Quick.so.5
#20 0x00007f99cdb791d0 in QObject::event(QEvent*) () at /lib64/libQt5Core.so.5
#21 0x00007f99d28c1cab in QQuickItem::event(QEvent*) () at /lib64/libQt5Quick.so.5
#22 0x00007f99cf0fd41c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#23 0x00007f99cf1028e6 in QApplication::notify(QObject*, QEvent*) () at /lib64/libQt5Widgets.so.5
#24 0x00007f99cdb4977b in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /lib64/libQt5Core.so.5
#25 0x00007f99cdb4bb76 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /lib64/libQt5Core.so.5
#26 0x00007f99cdb9fae3 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /lib64/libQt5Core.so.5
#27 0x00007f99c7e92e3a in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#28 0x00007f99c7e931d0 in g_main_context_iterate.isra () at /lib64/libglib-2.0.so.0
#29 0x00007f99c7e9327c in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#30 0x00007f99cdb9feef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#31 0x00007f99cdb46f0a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /lib64/libQt5Core.so.5
#32 0x00007f99cdb4efec in QCoreApplication::exec() () at /lib64/libQt5Core.so.5
#33 0x000055a6ac312363 in main ()

Possible duplicates by query: bug 354698, bug 354320, bug 354089, bug 351789, bug 351108.

Reported using DrKonqi