Application: plasma-desktop (0.3)
KDE Platform Version: 4.4.3 (KDE 4.4.3)
Qt Version: 4.6.2
Operating System: Linux 2.6.33-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
Plasma crashes everytime when adding STasks widget to a panel (after drag-n-drop).

The crash can be reproduced every time.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f0f50b3e760 (LWP 3272))]

Thread 2 (Thread 0x7f0f2aaff710 (LWP 3277)):
#0  0x00007f0f4edff4d9 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007f0f4f088f25 in ?? () from /usr/lib/libQtCore.so.4
#2  0x00007f0f4f089080 in QThread::msleep(unsigned long) () from /usr/lib/libQtCore.so.4
#3  0x00007f0f2fc1b43f in Update_Thread::run() () from /usr/lib/kde4/plasma_applet_cwp.so
#4  0x00007f0f4f0895a5 in ?? () from /usr/lib/libQtCore.so.4
#5  0x00007f0f4edfa97a in start_thread () from /lib/libpthread.so.0
#6  0x00007f0f4dbc701d in clone () from /lib/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f0f50b3e760 (LWP 3272)):
[KCrash Handler]
#5  0x00007f0f280338e4 in TaskManager::TaskItem::winIds() const () from /usr/lib/libtaskmanager.so.4
#6  0x00007f0f28264f05 in STasksTask (this=0x1c9a1b0, abstractItem=0x1d81270, parent=<value optimized out>, applet=0x1c9bdc0)
    at /home/phil/kdemod/core/taskhandlers/src/stasks-0.5.1/applet/stasks_task.cpp:33
#7  0x00007f0f28262453 in STasksItem (this=0x1c9a010, abstractItem=0x1d81270, parent=<value optimized out>) at /home/phil/kdemod/core/taskhandlers/src/stasks-0.5.1/applet/stasks_item.cpp:70
#8  0x00007f0f2825a117 in STasksApplet::itemAdded (this=0x1c9bdc0, groupableItem=0x1d81270) at /home/phil/kdemod/core/taskhandlers/src/stasks-0.5.1/applet/stasks_applet.cpp:92
#9  0x00007f0f2825c5e8 in STasksApplet::qt_metacall (this=0x1c9bdc0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffc7b83770)
    at /home/phil/kdemod/core/taskhandlers/src/stasks-0.5.1/applet/stasks_applet.moc:96
#10 0x00007f0f4f190a8f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#11 0x00007f0f280301ff in TaskManager::TaskGroup::itemAdded(TaskManager::AbstractGroupableItem*) () from /usr/lib/libtaskmanager.so.4
#12 0x00007f0f28030782 in TaskManager::TaskGroup::add(TaskManager::AbstractGroupableItem*) () from /usr/lib/libtaskmanager.so.4
#13 0x00007f0f28027add in ?? () from /usr/lib/libtaskmanager.so.4
#14 0x00007f0f280231b5 in ?? () from /usr/lib/libtaskmanager.so.4
#15 0x00007f0f280234d4 in ?? () from /usr/lib/libtaskmanager.so.4
#16 0x00007f0f280237b0 in TaskManager::GroupManager::setGroupingStrategy(TaskManager::GroupManager::TaskGroupingStrategy) () from /usr/lib/libtaskmanager.so.4
#17 0x00007f0f2825c0db in STasksApplet::configuration (this=0x1c9bdc0) at /home/phil/kdemod/core/taskhandlers/src/stasks-0.5.1/applet/stasks_applet.cpp:605
#18 0x00007f0f2825c5d0 in STasksApplet::qt_metacall (this=0x1c9bdc0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffc7b83d00)
    at /home/phil/kdemod/core/taskhandlers/src/stasks-0.5.1/applet/stasks_applet.moc:95
#19 0x00007f0f4f190a8f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#20 0x00007f0f282591ea in STasksApplet::init (this=0x1c9bdc0) at /home/phil/kdemod/core/taskhandlers/src/stasks-0.5.1/applet/stasks_applet.cpp:85
#21 0x00007f0f47a41219 in Plasma::Containment::addApplet(Plasma::Applet*, QPointF const&, bool) () from /usr/lib/libplasma.so.3
#22 0x00007f0f47a41527 in ?? () from /usr/lib/libplasma.so.3
#23 0x00007f0f47a45602 in ?? () from /usr/lib/libplasma.so.3
#24 0x00007f0f35c09c7b in ?? () from /usr/lib/kde4/plasma_containment_panel.so
#25 0x00007f0f4e9152b4 in QGraphicsItem::sceneEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#26 0x00007f0f4e929bfc in ?? () from /usr/lib/libQtGui.so.4
#27 0x00007f0f4e929c3c in QGraphicsScene::dropEvent(QGraphicsSceneDragDropEvent*) () from /usr/lib/libQtGui.so.4
#28 0x00007f0f4e941d9f in QGraphicsScene::event(QEvent*) () from /usr/lib/libQtGui.so.4
#29 0x00007f0f4e31d98c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#30 0x00007f0f4e323e5b in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#31 0x00007f0f4f6aaed6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#32 0x00007f0f4f17dd5c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#33 0x00007f0f4e95bf5a in QGraphicsView::dropEvent(QDropEvent*) () from /usr/lib/libQtGui.so.4
#34 0x00007f0f42a1a7b9 in ?? () from /usr/lib/libkdeinit4_plasma-desktop.so
#35 0x00007f0f4e373d30 in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#36 0x00007f0f4e718c86 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4
#37 0x00007f0f4e95ae6b in QGraphicsView::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#38 0x00007f0f4f17d177 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#39 0x00007f0f4e31d95c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#40 0x00007f0f4e3240cd in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#41 0x00007f0f4f6aaed6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#42 0x00007f0f4f17dd5c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#43 0x00007f0f4e3b0a30 in ?? () from /usr/lib/libQtGui.so.4
#44 0x00007f0f4e3b0d12 in ?? () from /usr/lib/libQtGui.so.4
#45 0x00007f0f4e3b2d40 in ?? () from /usr/lib/libQtGui.so.4
#46 0x00007f0f4f17d23b in QCoreApplicationPrivate::sendThroughApplicationEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#47 0x00007f0f4e31d906 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#48 0x00007f0f4e32463b in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#49 0x00007f0f4f6aaed6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#50 0x00007f0f4f17dd5c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#51 0x00007f0f4e32380e in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/libQtGui.so.4
#52 0x00007f0f4e3a34eb in ?? () from /usr/lib/libQtGui.so.4
#53 0x00007f0f4e3a1e5c in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#54 0x00007f0f4e3cc942 in ?? () from /usr/lib/libQtGui.so.4
#55 0x00007f0f4a7c6b33 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#56 0x00007f0f4a7c7310 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#57 0x00007f0f4a7c75ad in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#58 0x00007f0f4f1a71b3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#59 0x00007f0f4e3cc53e in ?? () from /usr/lib/libQtGui.so.4
#60 0x00007f0f4f17c682 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#61 0x00007f0f4f17ca5c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#62 0x00007f0f4e3b58b5 in ?? () from /usr/lib/libQtGui.so.4
#63 0x00007f0f4e334128 in QDrag::exec(QFlags<Qt::DropAction>, Qt::DropAction) () from /usr/lib/libQtGui.so.4
#64 0x00007f0f4e3341e3 in QDrag::exec(QFlags<Qt::DropAction>) () from /usr/lib/libQtGui.so.4
#65 0x00007f0f4215cce0 in ?? () from /usr/lib/libplasmagenericshell.so.4
#66 0x00007f0f4e9153a2 in QGraphicsItem::sceneEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#67 0x00007f0f4e92b808 in ?? () from /usr/lib/libQtGui.so.4
#68 0x00007f0f4e92f9a1 in QGraphicsScene::mouseMoveEvent(QGraphicsSceneMouseEvent*) () from /usr/lib/libQtGui.so.4
#69 0x00007f0f4e941f0b in QGraphicsScene::event(QEvent*) () from /usr/lib/libQtGui.so.4
#70 0x00007f0f4e31d98c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#71 0x00007f0f4e323e5b in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#72 0x00007f0f4f6aaed6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#73 0x00007f0f4f17dd5c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#74 0x00007f0f4e95d1e7 in ?? () from /usr/lib/libQtGui.so.4
#75 0x00007f0f4e95d3de in QGraphicsView::mouseMoveEvent(QMouseEvent*) () from /usr/lib/libQtGui.so.4
#76 0x00007f0f4e3739bf in QWidget::event(QEvent*) () from /usr/lib/libQtGui.so.4
#77 0x00007f0f4e718c86 in QFrame::event(QEvent*) () from /usr/lib/libQtGui.so.4
#78 0x00007f0f4e95ae6b in QGraphicsView::viewportEvent(QEvent*) () from /usr/lib/libQtGui.so.4
#79 0x00007f0f4f17d177 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#80 0x00007f0f4e31d95c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#81 0x00007f0f4e32463b in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#82 0x00007f0f4f6aaed6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#83 0x00007f0f4f17dd5c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#84 0x00007f0f4e32380e in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () from /usr/lib/libQtGui.so.4
#85 0x00007f0f4e3a34eb in ?? () from /usr/lib/libQtGui.so.4
#86 0x00007f0f4e3a1e5c in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#87 0x00007f0f4e3cc942 in ?? () from /usr/lib/libQtGui.so.4
#88 0x00007f0f4a7c6b33 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#89 0x00007f0f4a7c7310 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#90 0x00007f0f4a7c75ad in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#91 0x00007f0f4f1a71b3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#92 0x00007f0f4e3cc53e in ?? () from /usr/lib/libQtGui.so.4
#93 0x00007f0f4f17c682 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#94 0x00007f0f4f17ca5c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#95 0x00007f0f4f18079b in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#96 0x00007f0f42a15d2d in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#97 0x0000000000406b93 in _start ()

Possible duplicates by query: bug 237659, bug 232969, bug 232082, bug 230572, bug 230384.

Reported using DrKonqi