Application: plasma-desktop (4.11.8)
KDE Platform Version: 4.12.4
Qt Version: 4.8.6
Operating System: Linux 3.14.2-200.fc20.x86_64 x86_64
Distribution: "Fedora release 20 (Heisenbug)"

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

I was switching applications windows from a desktop to another, when I got the Plasma crash

-- Backtrace:
Application: Shell del desktop di Plasma (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
81	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7ff286412900 (LWP 1875))]

Thread 3 (Thread 0x7ff26bc13700 (LWP 1882)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x0000003db538ef2b in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x3db568df00 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x0000003db538ef69 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x0000003504eaa8f4 in ?? () from /usr/lib64/nvidia-304xx/libGL.so.1
#4  0x000000396e807f33 in start_thread (arg=0x7ff26bc13700) at pthread_create.c:309
#5  0x000000396dcf4ded in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7ff1df46a700 (LWP 1887)):
#0  __pthread_mutex_unlock_usercnt (decr=1, mutex=0x7ff1d8000a90) at pthread_mutex_unlock.c:41
#1  __GI___pthread_mutex_unlock (mutex=0x7ff1d8000a90) at pthread_mutex_unlock.c:310
#2  0x000000396fc8a5d1 in g_mutex_unlock (mutex=mutex@entry=0x7ff1d80009d0) at gthread-posix.c:232
#3  0x000000396fc496e6 in g_main_context_iteration (context=0x7ff1d80009d0, may_block=<optimized out>) at gmain.c:3775
#4  0x0000003dad3b5af6 in QEventDispatcherGlib::processEvents (this=0x7ff1d80008f0, flags=...) at kernel/qeventdispatcher_glib.cpp:427
#5  0x0000003dad38595f in QEventLoop::processEvents (this=this@entry=0x7ff1df469bc0, flags=...) at kernel/qeventloop.cpp:149
#6  0x0000003dad385cad in QEventLoop::exec (this=this@entry=0x7ff1df469bc0, flags=...) at kernel/qeventloop.cpp:204
#7  0x0000003dad279e8f in QThread::exec (this=this@entry=0x22b83a0) at thread/qthread.cpp:538
#8  0x0000003dad3662e3 in QInotifyFileSystemWatcherEngine::run (this=0x22b83a0) at io/qfilesystemwatcher_inotify.cpp:265
#9  0x0000003dad27c6bf in QThreadPrivate::start (arg=0x22b83a0) at thread/qthread_unix.cpp:349
#10 0x0000003504eaa8f4 in ?? () from /usr/lib64/nvidia-304xx/libGL.so.1
#11 0x000000396e807f33 in start_thread (arg=0x7ff1df46a700) at pthread_create.c:309
#12 0x000000396dcf4ded in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7ff286412900 (LWP 1875)):
[KCrash Handler]
#6  QTimer::start (this=0x0, msec=800) at kernel/qtimer.cpp:233
#7  0x00007ff269b660d2 in MouseEventListener::mousePressEvent(QGraphicsSceneMouseEvent*) () from /usr/lib64/kde4/imports/org/kde/qtextracomponents/libqtextracomponentsplugin.so
#8  0x0000003dae3a3cca in QGraphicsItem::sceneEvent (this=this@entry=0x2967f20, event=event@entry=0x7fffca524f00) at graphicsview/qgraphicsitem.cpp:6752
#9  0x0000003db61553a4 in QDeclarativeItem::sceneEvent (this=0x2967f10, event=0x7fffca524f00) at graphicsitems/qdeclarativeitem.cpp:3047
#10 0x0000003dae3ccabf in QGraphicsScenePrivate::sendMouseEvent (this=0xec0c40, mouseEvent=0x7fffca524f00) at graphicsview/qgraphicsscene.cpp:1295
#11 0x0000003dae3d8bc6 in QGraphicsScenePrivate::mousePressEventHandler (this=this@entry=0xec0c40, mouseEvent=mouseEvent@entry=0x7fffca524f00) at graphicsview/qgraphicsscene.cpp:1422
#12 0x0000003dae3d9069 in QGraphicsScene::mousePressEvent (this=<optimized out>, mouseEvent=0x7fffca524f00) at graphicsview/qgraphicsscene.cpp:4074
#13 0x0000003dae3e2100 in QGraphicsScene::event (this=0xec1d90, event=0x7fffca524f00) at graphicsview/qgraphicsscene.cpp:3455
#14 0x0000003daddcaebc in QApplicationPrivate::notify_helper (this=0xd7a410, receiver=0xec1d90, e=0x7fffca524f00) at kernel/qapplication.cpp:4565
#15 0x0000003daddd1825 in QApplication::notify (this=this@entry=0xd293a0, receiver=receiver@entry=0xec1d90, e=e@entry=0x7fffca524f00) at kernel/qapplication.cpp:4351
#16 0x0000003db1a4ab0a in KApplication::notify (this=0xd293a0, receiver=0xec1d90, event=0x7fffca524f00) at /usr/src/debug/kdelibs-4.12.4/kdeui/kernel/kapplication.cpp:311
#17 0x0000003dad386ebd in QCoreApplication::notifyInternal (this=0xd293a0, receiver=0xec1d90, event=event@entry=0x7fffca524f00) at kernel/qcoreapplication.cpp:953
#18 0x0000003daddc9736 in sendSpontaneousEvent (event=event@entry=0x7fffca524f00, receiver=<optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:234
#19 qt_sendSpontaneousEvent (receiver=<optimized out>, event=event@entry=0x7fffca524f00) at kernel/qapplication.cpp:5563
#20 0x0000003dae3f9c9f in QGraphicsView::mousePressEvent (this=0x2b400c0, event=0x7fffca5254f0) at graphicsview/qgraphicsview.cpp:3164
#21 0x0000003dade1ddd1 in QWidget::event (this=this@entry=0x2b400c0, event=event@entry=0x7fffca5254f0) at kernel/qwidget.cpp:8385
#22 0x0000003dae1d586e in QFrame::event (this=0x2b400c0, e=0x7fffca5254f0) at widgets/qframe.cpp:557
#23 0x0000003dae3faa89 in QGraphicsView::viewportEvent (this=0x2b400c0, event=0x7fffca5254f0) at graphicsview/qgraphicsview.cpp:2866
#24 0x0000003dad387026 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x26b17f0, event=0x7fffca5254f0) at kernel/qcoreapplication.cpp:1063
#25 0x0000003daddcae9c in QApplicationPrivate::notify_helper (this=0xd7a410, receiver=0x26b17f0, e=0x7fffca5254f0) at kernel/qapplication.cpp:4561
#26 0x0000003daddd1961 in QApplication::notify (this=this@entry=0xd293a0, receiver=receiver@entry=0x26b17f0, e=e@entry=0x7fffca5254f0) at kernel/qapplication.cpp:4108
#27 0x0000003db1a4ab0a in KApplication::notify (this=0xd293a0, receiver=0x26b17f0, event=0x7fffca5254f0) at /usr/src/debug/kdelibs-4.12.4/kdeui/kernel/kapplication.cpp:311
#28 0x0000003dad386ebd in QCoreApplication::notifyInternal (this=0xd293a0, receiver=0x26b17f0, event=0x7fffca5254f0) at kernel/qcoreapplication.cpp:953
#29 0x0000003daddd10d7 in QApplicationPrivate::sendMouseEvent (receiver=0x26b17f0, event=0x7fffca5254f0, alienWidget=0x26b17f0, nativeWidget=0x2b400c0, buttonDown=<optimized out>, lastMouseReceiver=..., spontaneous=true) at ../../src/corelib/kernel/qcoreapplication.h:231
#30 0x0000003dade467ab in QETWidget::translateMouseEvent (this=0x2b400c0, event=<optimized out>) at kernel/qapplication_x11.cpp:4540
#31 0x0000003dade4521c in QApplication::x11ProcessEvent (this=0xd293a0, event=event@entry=0x7fffca525860) at kernel/qapplication_x11.cpp:3663
#32 0x0000003dade6cc24 in x11EventSourceDispatch (s=s@entry=0xd7a910, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:148
#33 0x000000396fc492a6 in g_main_dispatch (context=0xd7a7b0) at gmain.c:3066
#34 g_main_context_dispatch (context=context@entry=0xd7a7b0) at gmain.c:3642
#35 0x000000396fc49628 in g_main_context_iterate (context=context@entry=0xd7a7b0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3713
#36 0x000000396fc496dc in g_main_context_iteration (context=0xd7a7b0, may_block=1) at gmain.c:3774
#37 0x0000003dad3b5ad5 in QEventDispatcherGlib::processEvents (this=0xcaf9c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#38 0x0000003dade6cda6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#39 0x0000003dad38595f in QEventLoop::processEvents (this=this@entry=0x7fffca525c50, flags=...) at kernel/qeventloop.cpp:149
#40 0x0000003dad385cad in QEventLoop::exec (this=this@entry=0x7fffca525c50, flags=...) at kernel/qeventloop.cpp:204
#41 0x0000003dad38b399 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#42 0x0000003daddc952c in QApplication::exec () at kernel/qapplication.cpp:3823
#43 0x0000003508e3d9cc in kdemain (argc=1, argv=0x7fffca525ec8) at /usr/src/debug/kde-workspace-4.11.8/plasma/desktop/shell/main.cpp:126
#44 0x000000396dc21d65 in __libc_start_main (main=0x400940 <main(int, char**)>, argc=1, argv=0x7fffca525ec8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffca525eb8) at libc-start.c:285
#45 0x0000000000400971 in _start ()

Possible duplicates by query: bug 334036, bug 333532, bug 332599, bug 331658, bug 331115.

Reported using DrKonqi