Application: plasma-desktop (0.4)
KDE Platform Version: 4.8.00 (4.8.0
Qt Version: 4.7.4
Operating System: Linux 3.2.0-17-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed: I clicked on the menu item to activate the activity-manager. Then the crash happenend

-- Backtrace:
Application: Plasma-Desktop-Umgebung (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f7d2c7327a0 (LWP 4217))]

Thread 4 (Thread 0x7f7d182f9700 (LWP 4234)):
#0  0x000000344a843f9b in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x000000344a844dfd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x000000344a845429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x0000003447397f3e in QEventDispatcherGlib::processEvents (this=0x1b3e150, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x000000344736bcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x000000344736bef7 in QEventLoop::exec (this=0x7f7d182f8db0, flags=...) at kernel/qeventloop.cpp:201
#6  0x000000344728327f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x000000344734ecbf in QInotifyFileSystemWatcherEngine::run (this=0x1b40670) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x0000003447285d05 in QThreadPrivate::start (arg=0x1b40670) at thread/qthread_unix.cpp:331
#9  0x0000003448c07efc in start_thread (arg=0x7f7d182f9700) at pthread_create.c:304
#10 0x00000034480e189d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f7d153cc700 (LWP 4243)):
#0  0x000000344a844d81 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x000000344a845429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x0000003447397f3e in QEventDispatcherGlib::processEvents (this=0x1bf1f70, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#3  0x000000344736bcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#4  0x000000344736bef7 in QEventLoop::exec (this=0x7f7d153cbdb0, flags=...) at kernel/qeventloop.cpp:201
#5  0x000000344728327f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#6  0x000000344734ecbf in QInotifyFileSystemWatcherEngine::run (this=0x1bf19a0) at io/qfilesystemwatcher_inotify.cpp:248
#7  0x0000003447285d05 in QThreadPrivate::start (arg=0x1bf19a0) at thread/qthread_unix.cpp:331
#8  0x0000003448c07efc in start_thread (arg=0x7f7d153cc700) at pthread_create.c:304
#9  0x00000034480e189d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f7d148e8700 (LWP 4255)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x0000003468986fe2 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x3468c801e0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x0000003468987019 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x0000003448c07efc in start_thread (arg=0x7f7d148e8700) at pthread_create.c:304
#4  0x00000034480e189d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f7d2c7327a0 (LWP 4217)):
[KCrash Handler]
#6  data (this=0x100000069) at /usr/include/qt4/QtCore/qsharedpointer_impl.h:575
#7  AbstractTaskItem::abstractItem (this=0x100000001) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:1217
#8  0x00007f7d26a8c4b0 in TaskItemLayout::size (this=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/taskitemlayout.cpp:167
#9  0x00007f7d26a8cfb2 in TaskItemLayout::gridLayoutSize (this=0x57cdf60) at ../../../../../plasma/desktop/applets/tasks/taskitemlayout.cpp:256
#10 0x00007f7d26a8d04d in TaskItemLayout::layoutItems (this=0x57cdf60) at ../../../../../plasma/desktop/applets/tasks/taskitemlayout.cpp:281
#11 0x00007f7d26a8d7d7 in TaskItemLayout::remove (this=0x57cdf60, item=0x2732340) at ../../../../../plasma/desktop/applets/tasks/taskitemlayout.cpp:153
#12 0x00007f7d26a8d833 in TaskItemLayout::qt_metacall (this=0x57cdf60, _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7fff68639ba0) at ./taskitemlayout.moc:75
#13 0x000000344737feba in QMetaObject::activate (sender=0x2732340, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff68639ba0) at kernel/qobject.cpp:3278
#14 0x00007f7d26a92732 in AbstractTaskItem::destroyed (this=<optimized out>, _t1=0x2732340) at ./abstracttaskitem.moc:155
#15 0x00007f7d26a92ad4 in AbstractTaskItem::~AbstractTaskItem (this=0x2732340, __in_chrg=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/abstracttaskitem.cpp:155
#16 0x00007f7d26a87105 in ~WindowTaskItem (this=0x2732340, __in_chrg=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.h:34
#17 WindowTaskItem::~WindowTaskItem (this=0x2732340, __in_chrg=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/windowtaskitem.h:34
#18 0x00000034525cee86 in QGraphicsItem::~QGraphicsItem (this=0x457dcc0, __in_chrg=<optimized out>) at graphicsview/qgraphicsitem.cpp:1488
#19 0x000000345261e600 in ~QGraphicsObject (this=0x457dcb0, __in_chrg=<optimized out>) at ../../include/QtGui/../../src/gui/graphicsview/qgraphicsitem.h:547
#20 QGraphicsWidget::~QGraphicsWidget (this=0x457dcb0, __in_chrg=<optimized out>) at graphicsview/qgraphicswidget.cpp:232
#21 0x00007f7d26a95dd9 in TaskGroupItem::~TaskGroupItem (this=0x457dcb0, __in_chrg=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:87
#22 0x0000003447383a88 in QObject::event (this=0x457dcb0, e=<optimized out>) at kernel/qobject.cpp:1200
#23 0x000000345261a95b in QGraphicsWidget::event (this=0x457dcb0, event=0x79b1000) at graphicsview/qgraphicswidget.cpp:1455
#24 0x0000003451ffc474 in notify_helper (e=0x79b1000, receiver=0x457dcb0, this=0x981e90) at kernel/qapplication.cpp:4486
#25 QApplicationPrivate::notify_helper (this=0x981e90, receiver=0x457dcb0, e=0x79b1000) at kernel/qapplication.cpp:4458
#26 0x00000034520012e1 in QApplication::notify (this=0x924d90, receiver=0x457dcb0, e=0x79b1000) at kernel/qapplication.cpp:4365
#27 0x0000003453a31ae6 in KApplication::notify (this=0x924d90, receiver=0x457dcb0, event=0x79b1000) at ../../kdeui/kernel/kapplication.cpp:311
#28 0x000000344736cafc in QCoreApplication::notifyInternal (this=0x924d90, receiver=0x457dcb0, event=0x79b1000) at kernel/qcoreapplication.cpp:787
#29 0x000000344737051f in sendEvent (event=0x79b1000, receiver=0x457dcb0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#30 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x8f2430) at kernel/qcoreapplication.cpp:1428
#31 0x0000003447397a73 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#32 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:277
#33 0x000000344a844a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x000000344a845258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x000000344a845429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x0000003447397ed6 in QEventDispatcherGlib::processEvents (this=0x8f3f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#37 0x00000034520a410e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#38 0x000000344736bcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#39 0x000000344736bef7 in QEventLoop::exec (this=0x7fff6863a4d0, flags=...) at kernel/qeventloop.cpp:201
#40 0x0000003447370789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#41 0x00007f7d2c9e37e3 in kdemain (argc=1, argv=0x7fff6863a8b8) at ../../../../plasma/desktop/shell/main.cpp:120
#42 0x000000344802130d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff6863a8b8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff6863a8a8) at libc-start.c:226
#43 0x0000000000400671 in _start ()

Reported using DrKonqi