Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-13-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed: Several applictions were open.  I was working inside of iReport (Jasper report application).  Other apps open included Firefox, Konsole, Kettle (spoon) by Pentaho, Thunderbird, Dolphin, and Kopete.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f037f3b47a0 (LWP 2100))]

Thread 4 (Thread 0x7f035a574700 (LWP 2102)):
#0  0x00007f037ec97773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f0373221f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0373222429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f037be88f3e in QEventDispatcherGlib::processEvents (this=0x1b3a0f0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f037be5ccf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f037be5cef7 in QEventLoop::exec (this=0x7f035a573db0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f037bd7427f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f037be3fcbf in QInotifyFileSystemWatcherEngine::run (this=0x1ba8a60) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f037bd76d05 in QThreadPrivate::start (arg=0x1ba8a60) at thread/qthread_unix.cpp:331
#9  0x00007f0373d2eefc in start_thread (arg=0x7f035a574700) at pthread_create.c:304
#10 0x00007f037eca389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f03535e9700 (LWP 2105)):
#0  0x00007f037ec97773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f0373221f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0373222429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f037be88f3e in QEventDispatcherGlib::processEvents (this=0x2042dc0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f037be5ccf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f037be5cef7 in QEventLoop::exec (this=0x7f03535e8db0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f037bd7427f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f037be3fcbf in QInotifyFileSystemWatcherEngine::run (this=0x20452a0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f037bd76d05 in QThreadPrivate::start (arg=0x20452a0) at thread/qthread_unix.cpp:331
#9  0x00007f0373d2eefc in start_thread (arg=0x7f03535e9700) at pthread_create.c:304
#10 0x00007f037eca389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f034fd67700 (LWP 2111)):
#0  0x00007f037ec97773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f0373221f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f0373222792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0350845516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f03732472b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f0373d2eefc in start_thread (arg=0x7f034fd67700) at pthread_create.c:304
#6  0x00007f037eca389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f037f3b47a0 (LWP 2100)):
[KCrash Handler]
#6  operator== (value=0, this=0x130000000e) at /usr/include/qt4/QtCore/qbasicatomic.h:70
#7  isNull (this=0x278af50) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:568
#8  operator! (this=0x278af50) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:574
#9  TaskManager::TaskItem::task (this=<optimized out>) at ../../../libs/taskmanager/taskitem.cpp:113
#10 0x00007f0364f2a112 in WindowTaskItem::publishIconGeometry (this=0x3f33b40) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.cpp:120
#11 0x00007f0364f327cc in AbstractTaskItem::setGeometry (this=0x3f33b40, geometry=...) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:1018
#12 0x00007f037b834911 in QGraphicsWidgetPrivate::setGeometryFromSetPos (this=0x3da9a30) at graphicsview/qgraphicswidget_p.cpp:906
#13 0x00007f037b82e265 in QGraphicsWidget::itemChange (this=0x3f33b40, change=QGraphicsItem::ItemPositionHasChanged, value=...) at graphicsview/qgraphicswidget.cpp:1150
#14 0x00007f037b7cb7be in QGraphicsItem::setPos (this=0x3f33b50, pos=<optimized out>) at graphicsview/qgraphicsitem.cpp:3740
#15 0x00007f0364f35024 in AbstractTaskItem::setAnimationPos (this=0x3f33b40, pos=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:993
#16 0x00007f0364f3667c in AbstractTaskItem::qt_metacall (this=0x3f33b40, _c=QMetaObject::WriteProperty, _id=<optimized out>, _a=0x7fffce5bff28) at ./abstracttaskitem.moc:126
#17 0x00007f0364f2a9c0 in WindowTaskItem::qt_metacall (this=0x3f33b40, _c=QMetaObject::WriteProperty, _id=<optimized out>, _a=0x7fffce5bff28) at ./windowtaskitem.moc:72
#18 0x00007f037bd60aa1 in QPropertyAnimationPrivate::updateProperty (this=0x27f4600, newValue=...) at animation/qpropertyanimation.cpp:139
#19 0x00007f037bd5e338 in QVariantAnimationPrivate::setCurrentValueForProgress (this=0x27f4600, progress=<optimized out>) at animation/qvariantanimation.cpp:293
#20 0x00007f037bd5e5ae in QVariantAnimationPrivate::recalculateCurrentInterval (this=0x27f4600, force=<optimized out>) at animation/qvariantanimation.cpp:278
#21 0x00007f037bd5c8cc in QAbstractAnimation::setCurrentTime (this=0x2188a10, msecs=<optimized out>) at animation/qabstractanimation.cpp:751
#22 0x00007f037bd5caef in updateAnimationsTime (this=0x1500410) at animation/qabstractanimation.cpp:234
#23 QUnifiedTimer::updateAnimationsTime (this=0x1500410) at animation/qabstractanimation.cpp:206
#24 0x00007f037bd5d06f in QUnifiedTimer::timerEvent (this=0x1500410, event=0x7fffce5c05c0) at animation/qabstractanimation.cpp:291
#25 0x00007f037be74789 in QObject::event (this=0x1500410, e=<optimized out>) at kernel/qobject.cpp:1181
#26 0x00007f037b20e424 in notify_helper (e=0x7fffce5c05c0, receiver=0x1500410, this=0x1193c60) at kernel/qapplication.cpp:4486
#27 QApplicationPrivate::notify_helper (this=0x1193c60, receiver=0x1500410, e=0x7fffce5c05c0) at kernel/qapplication.cpp:4458
#28 0x00007f037b213291 in QApplication::notify (this=0x11819f0, receiver=0x1500410, e=0x7fffce5c05c0) at kernel/qapplication.cpp:4365
#29 0x00007f037cb0c126 in KApplication::notify (this=0x11819f0, receiver=0x1500410, event=0x7fffce5c05c0) at ../../kdeui/kernel/kapplication.cpp:311
#30 0x00007f037be5dafc in QCoreApplication::notifyInternal (this=0x11819f0, receiver=0x1500410, event=0x7fffce5c05c0) at kernel/qcoreapplication.cpp:787
#31 0x00007f037be8ad62 in sendEvent (event=0x7fffce5c05c0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#32 QTimerInfoList::activateTimers (this=0x1191310) at kernel/qeventdispatcher_unix.cpp:603
#33 0x00007f037be88514 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#34 0x00007f0373221a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f0373222258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f0373222429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007f037be88ed6 in QEventDispatcherGlib::processEvents (this=0x1121f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#38 0x00007f037b2b607e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#39 0x00007f037be5ccf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#40 0x00007f037be5cef7 in QEventLoop::exec (this=0x7fffce5c0850, flags=...) at kernel/qeventloop.cpp:201
#41 0x00007f037be61789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#42 0x00007f037efa21a3 in kdemain (argc=1, argv=0x7fffce5c0c38) at ../../../../plasma/desktop/shell/main.cpp:120
#43 0x00007f037ebe330d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fffce5c0c38, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffce5c0c28) at libc-start.c:226
#44 0x0000000000400671 in _start ()

Possible duplicates by query: bug 286299, bug 286254, bug 286211, bug 285913, bug 272495.

Reported using DrKonqi