Bug 361425

Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0xb312d800 (LWP 2292))]

Thread 8 (Thread 0xb002ab40 (LWP 2319)):
#0  0xb4483a5d in g_main_context_check (context=0xaf7004d8, max_priority=2147483647, fds=0xaf702738, n_fds=1) at gmain.c:3663
#1  0xb4484081 in g_main_context_iterate (context=context@entry=0xaf7004d8, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3837
#2  0xb4484224 in g_main_context_iteration (context=0xaf7004d8, may_block=1) at gmain.c:3901
#3  0xb52b1a84 in QEventDispatcherGlib::processEvents (this=0xaf700468, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0xb52594c3 in QEventLoop::processEvents (this=0xb002a1d8, flags=...) at kernel/qeventloop.cpp:128
#5  0xb52598fa in QEventLoop::exec (this=0xb002a1d8, flags=...) at kernel/qeventloop.cpp:204
#6  0xb508d855 in QThread::exec (this=0x88123f8) at thread/qthread.cpp:503
#7  0xb68aa48f in QQmlThreadPrivate::run (this=0x88123f8) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/ftw/qqmlthread.cpp:141
#8  0xb5092c00 in QThreadPrivate::start (arg=0x88123f8) at thread/qthread_unix.cpp:331
#9  0xb4c652f5 in start_thread () from /lib/libpthread.so.0
#10 0xb4dba55e in clone () from /lib/libc.so.6

Thread 7 (Thread 0xac773b40 (LWP 2320)):
#0  0xb773bf3d in __kernel_vsyscall ()
#1  0xb4c6aa2b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb4dc74dd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libc.so.6
#3  0xae60575a in cnd_wait (mtx=0x895f26c, cond=0x895f284) at ../../../../../include/c11/threads_posix.h:159
#4  pipe_semaphore_wait (sema=0x895f26c) at ../../../../../src/gallium/auxiliary/os/os_thread.h:259
#5  radeon_drm_cs_emit_ioctl (param=0x895f008) at radeon_drm_winsys.c:653
#6  0xae604e55 in impl_thrd_routine (p=0x88d00a8) at ../../../../../include/c11/threads_posix.h:87
#7  0xb4c652f5 in start_thread () from /lib/libpthread.so.0
#8  0xb4dba55e in clone () from /lib/libc.so.6

Thread 6 (Thread 0xaa7ecb40 (LWP 2330)):
#0  0xb773bf3d in __kernel_vsyscall ()
#1  0xb4db017b in poll () from /lib/libc.so.6
#2  0xb4492980 in poll (__timeout=-1, __nfds=1, __fds=0xa9e02938) at /usr/include/bits/poll2.h:46
#3  g_poll (fds=0xa9e02938, nfds=1, timeout=-1) at gpoll.c:124
#4  0xb44840ec in g_main_context_poll (priority=2147483647, n_fds=1, fds=0xa9e02938, timeout=<optimized out>, context=0xa9e004d8) at gmain.c:4135
#5  g_main_context_iterate (context=context@entry=0xa9e004d8, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3835
#6  0xb4484224 in g_main_context_iteration (context=0xa9e004d8, may_block=1) at gmain.c:3901
#7  0xb52b1a84 in QEventDispatcherGlib::processEvents (this=0xa9e00468, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#8  0xb52594c3 in QEventLoop::processEvents (this=0xaa7ec1d8, flags=...) at kernel/qeventloop.cpp:128
#9  0xb52598fa in QEventLoop::exec (this=0xaa7ec1d8, flags=...) at kernel/qeventloop.cpp:204
#10 0xb508d855 in QThread::exec (this=0x8814440) at thread/qthread.cpp:503
#11 0xb68aa48f in QQmlThreadPrivate::run (this=0x8814440) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/ftw/qqmlthread.cpp:141
#12 0xb5092c00 in QThreadPrivate::start (arg=0x8814440) at thread/qthread_unix.cpp:331
#13 0xb4c652f5 in start_thread () from /lib/libpthread.so.0
#14 0xb4dba55e in clone () from /lib/libc.so.6

Thread 5 (Thread 0xa9468b40 (LWP 2337)):
#0  0xb52b101a in postEventSourcePrepare (s=0x8a6cd48, timeout=0xa946803c) at kernel/qeventdispatcher_glib.cpp:253
#1  0xb448365b in g_main_context_prepare (context=0x8a62430, priority=0xa9468098) at gmain.c:3442
#2  0xb4483ffc in g_main_context_iterate (context=context@entry=0x8a62430, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3820
#3  0xb4484224 in g_main_context_iteration (context=0x8a62430, may_block=1) at gmain.c:3901
#4  0xb52b1a84 in QEventDispatcherGlib::processEvents (this=0x8a75dc0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0xb52594c3 in QEventLoop::processEvents (this=0xa94681d8, flags=...) at kernel/qeventloop.cpp:128
#6  0xb52598fa in QEventLoop::exec (this=0xa94681d8, flags=...) at kernel/qeventloop.cpp:204
#7  0xb508d855 in QThread::exec (this=0x8a7fa98) at thread/qthread.cpp:503
#8  0xb68aa48f in QQmlThreadPrivate::run (this=0x8a7fa98) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/ftw/qqmlthread.cpp:141
#9  0xb5092c00 in QThreadPrivate::start (arg=0x8a7fa98) at thread/qthread_unix.cpp:331
#10 0xb4c652f5 in start_thread () from /lib/libpthread.so.0
#11 0xb4dba55e in clone () from /lib/libc.so.6

Thread 4 (Thread 0xa832db40 (LWP 2370)):
#0  0xb773bf3d in __kernel_vsyscall ()
#1  0xb4c6aa2b in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb4dc74dd in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libc.so.6
#3  0xb757259c in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0xb76a37c0 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#4  0xb75725dc in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0xb76a37c0 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#5  0xb4c652f5 in start_thread () from /lib/libpthread.so.0
#6  0xb4dba55e in clone () from /lib/libc.so.6

Thread 3 (Thread 0xa6d4cb40 (LWP 2394)):
#0  0xb773bc76 in __vdso_clock_gettime ()
#1  0xb4dc8002 in clock_gettime () from /lib/libc.so.6
#2  0xb512c78c in qt_clock_gettime (ts=0xa6d4bf08, clock=<optimized out>) at tools/qelapsedtimer_unix.cpp:105
#3  do_gettime (frac=<synthetic pointer>, sec=<synthetic pointer>) at tools/qelapsedtimer_unix.cpp:156
#4  qt_gettime () at tools/qelapsedtimer_unix.cpp:165
#5  0xb52af501 in QTimerInfoList::updateCurrentTime (this=0xa9e04064) at kernel/qtimerinfo_unix.cpp:84
#6  0xb52af9b4 in QTimerInfoList::timerWait (this=0xa9e04064, tm=...) at kernel/qtimerinfo_unix.cpp:381
#7  0xb52b0ed1 in timerSourcePrepareHelper (timeout=0xa6d4bffc, src=0xa9e04030) at kernel/qeventdispatcher_glib.cpp:127
#8  timerSourcePrepare (source=0xa9e04030, timeout=0xa6d4bffc) at kernel/qeventdispatcher_glib.cpp:160
#9  0xb448365b in g_main_context_prepare (context=0xa9e0b910, priority=0xa6d4c058) at gmain.c:3442
#10 0xb4483ffc in g_main_context_iterate (context=context@entry=0xa9e0b910, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3820
#11 0xb4484224 in g_main_context_iteration (context=0xa9e0b910, may_block=1) at gmain.c:3901
#12 0xb52b1a84 in QEventDispatcherGlib::processEvents (this=0xa9e0c3d8, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#13 0xb52594c3 in QEventLoop::processEvents (this=0xa6d4c198, flags=...) at kernel/qeventloop.cpp:128
#14 0xb52598fa in QEventLoop::exec (this=0xa6d4c198, flags=...) at kernel/qeventloop.cpp:204
#15 0xb508d855 in QThread::exec (this=0x877c2a0) at thread/qthread.cpp:503
#16 0xb6c8d6f9 in QQuickPixmapReader::run (this=0x877c2a0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/util/qquickpixmapcache.cpp:760
#17 0xb5092c00 in QThreadPrivate::start (arg=0x877c2a0) at thread/qthread_unix.cpp:331
#18 0xb4c652f5 in start_thread () from /lib/libpthread.so.0
#19 0xb4dba55e in clone () from /lib/libc.so.6

Thread 2 (Thread 0xa0902b40 (LWP 2670)):
#0  0xb773bf3d in __kernel_vsyscall ()
#1  0xb4db017b in poll () from /lib/libc.so.6
#2  0xb4492980 in poll (__timeout=2478225, __nfds=1, __fds=0xaf799ee0) at /usr/include/bits/poll2.h:46
#3  g_poll (fds=0xaf799ee0, nfds=1, timeout=2478225) at gpoll.c:124
#4  0xb44840ec in g_main_context_poll (priority=2147483647, n_fds=1, fds=0xaf799ee0, timeout=<optimized out>, context=0xaf736420) at gmain.c:4135
#5  g_main_context_iterate (context=context@entry=0xaf736420, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3835
#6  0xb4484224 in g_main_context_iteration (context=0xaf736420, may_block=1) at gmain.c:3901
#7  0xb52b1a84 in QEventDispatcherGlib::processEvents (this=0xaf74ba80, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#8  0xb52594c3 in QEventLoop::processEvents (this=0xa09021b8, flags=...) at kernel/qeventloop.cpp:128
#9  0xb52598fa in QEventLoop::exec (this=0xa09021b8, flags=...) at kernel/qeventloop.cpp:204
#10 0xb508d855 in QThread::exec (this=0x98c7db0) at thread/qthread.cpp:503
#11 0xa0e6fee4 in KCupsConnection::run() () from /usr/lib/libkcupslib.so
#12 0xb5092c00 in QThreadPrivate::start (arg=0x98c7db0) at thread/qthread_unix.cpp:331
#13 0xb4c652f5 in start_thread () from /lib/libpthread.so.0
#14 0xb4dba55e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb312d800 (LWP 2292)):
[KCrash Handler]
#7  0xb6820c84 in QQmlExpressionPrivate::init (this=0xa0ad010, ctxt=0xa405db8, runtimeFunction=0xa1fb188, me=0xa343910) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlexpression.cpp:75
#8  0xb6820f99 in QQmlExpression::QQmlExpression (this=0xbf8a59fc, script=..., ctxt=0x0, scope=0xa343910, parent=0x0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlexpression.cpp:164
#9  0xb6c6a03c in QQuickScriptActionPrivate::execute (this=0xa343928) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/util/qquickanimation.cpp:990
#10 0xb6c62604 in QActionAnimation::updateState (this=0xa142240, newState=QAbstractAnimationJob::Running, oldState=QAbstractAnimationJob::Stopped) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/util/qquickanimation.cpp:863
#11 0xb68e08b4 in QAbstractAnimationJob::setState (this=0xa142240, newState=QAbstractAnimationJob::Running) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/animations/qabstractanimationjob.cpp:360
#12 0xb68e12ab in QAbstractAnimationJob::start (this=0xa142240) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/animations/qabstractanimationjob.cpp:522
#13 0xb68e2389 in QSequentialAnimationGroupJob::activateCurrentAnimation (this=0xa343188, intermediate=false) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/animations/qsequentialanimationgroupjob.cpp:310
#14 0xb68e243b in QSequentialAnimationGroupJob::setCurrentAnimation (this=0xa343188, anim=0xa142240, intermediate=false) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/animations/qsequentialanimationgroupjob.cpp:293
#15 0xb68e24a6 in QSequentialAnimationGroupJob::uncontrolledAnimationFinished (this=0xa343188, animation=0xa343b80) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/animations/qsequentialanimationgroupjob.cpp:326
#16 0xb68dfee3 in QAbstractAnimationJob::finished (this=0xa343b80) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/animations/qabstractanimationjob.cpp:594
#17 0xb68e09be in QAbstractAnimationJob::setState (this=0xa343b80, newState=QAbstractAnimationJob::Stopped) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/animations/qabstractanimationjob.cpp:393
#18 0xb68e0a15 in QAbstractAnimationJob::stop (this=0xa343b80) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/animations/qabstractanimationjob.cpp:530
#19 0xb6cadca4 in QQuickAnimatorProxyJob::setWindow (this=0xa343b78, window=0x0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/util/qquickanimatorjob.cpp:158
#20 0xb6cade8c in QQuickAnimatorProxyJob::windowChanged (this=0xa343b78, window=0x0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/util/qquickanimatorjob.cpp:146
#21 0xb6e590f5 in QQuickAnimatorProxyJob::qt_static_metacall (_o=0xa343b78, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0xbf8a5da8) at .moc/moc_qquickanimatorjob_p.cpp:75
#22 0xb528ab01 in QMetaObject::activate (sender=0xa21a2f8, signalOffset=3, local_signal_index=11, argv=0xbf8a5da8) at kernel/qobject.cpp:3713
#23 0xb528affd in QMetaObject::activate (sender=0xa21a2f8, m=0xb6fd4aac <QQuickItem::staticMetaObject>, local_signal_index=11, argv=0xbf8a5da8) at kernel/qobject.cpp:3578
#24 0xb6d16805 in QQuickItem::windowChanged (this=0xa21a2f8, _t1=0x0) at .moc/moc_qquickitem.cpp:1044
#25 0xb6d16842 in QQuickItem::itemChange (this=0xa21a2f8, change=QQuickItem::ItemSceneChange, value=...) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickitem.cpp:4751
#26 0xb6d19e4d in QQuickItemPrivate::itemChange (this=0xa405e18, change=QQuickItem::ItemSceneChange, data=...) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickitem.cpp:5713
#27 0xb6d22b7c in QQuickItemPrivate::derefWindow (this=0xa405e18) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickitem.cpp:2852
#28 0xb6d24c28 in QQuickItem::setParentItem (this=0xa21a2f8, parentItem=0x0) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickitem.cpp:2527
#29 0xb6d25102 in QQuickItem::~QQuickItem (this=0xa21a2f8, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickitem.cpp:2239
#30 0xb6d40642 in QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0xa21a2f8, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlprivate.h:98
#31 QQmlPrivate::QQmlElement<QQuickItem>::~QQmlElement (this=0xa21a2f8, __in_chrg=<optimized out>) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/qqmlprivate.h:98
#32 0xb5289b24 in qDeleteInEventHandler (o=0xa21a2f8) at kernel/qobject.cpp:4455
#33 0xb528b669 in QObject::event (this=0xa21a2f8, e=0xa0935d8) at kernel/qobject.cpp:1230
#34 0xb6d23c3a in QQuickItem::event (this=0xa21a2f8, ev=0xa0935d8) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/quick/items/qquickitem.cpp:7317
#35 0xb5bde50a in QApplicationPrivate::notify_helper (this=0x8761728, receiver=0xa21a2f8, e=0xa0935d8) at kernel/qapplication.cpp:3716
#36 0xb5be3936 in QApplication::notify (this=0xbf8a659c, receiver=0xa21a2f8, e=0xa0935d8) at kernel/qapplication.cpp:3499
#37 0xb525c1ef in QCoreApplication::notifyInternal (this=0xbf8a659c, receiver=0xa21a2f8, event=0xa0935d8) at kernel/qcoreapplication.cpp:965
#38 0xb525e775 in QCoreApplication::sendEvent (event=0xa0935d8, receiver=<optimized out>) at kernel/qcoreapplication.h:224
#39 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x875bf98) at kernel/qcoreapplication.cpp:1593
#40 0xb525ec67 in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1451
#41 0xb52b1673 in postEventSourceDispatch (s=0x87a0808) at kernel/qeventdispatcher_glib.cpp:271
#42 0xb4483ed9 in g_main_dispatch (context=0xb0c02a00) at gmain.c:3154
#43 g_main_context_dispatch (context=0xb0c02a00) at gmain.c:3769
#44 0xb4484159 in g_main_context_iterate (context=context@entry=0xb0c02a00, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3840
#45 0xb4484224 in g_main_context_iteration (context=0xb0c02a00, may_block=1) at gmain.c:3901
#46 0xb52b1a63 in QEventDispatcherGlib::processEvents (this=0x87a5750, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#47 0xb1713801 in QPAEventDispatcherGlib::processEvents (this=0x87a5750, flags=...) at eventdispatchers/qeventdispatcher_glib.cpp:115
#48 0xb52594c3 in QEventLoop::processEvents (this=0xbf8a64bc, flags=...) at kernel/qeventloop.cpp:128
#49 0xb52598fa in QEventLoop::exec (this=0xbf8a64bc, flags=...) at kernel/qeventloop.cpp:204
#50 0xb5261aaa in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#51 0xb55866d1 in QGuiApplication::exec () at kernel/qguiapplication.cpp:1529
#52 0xb5bda6d4 in QApplication::exec () at kernel/qapplication.cpp:2976
#53 0x080760bf in main (argc=2, argv=0xbf8a6694) at /usr/src/debug/plasma-workspace-5.5.5/shell/main.cpp:184

Reproducible: Didn't try