Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.6.1
Operating System: Linux 2.6.31-20-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
What I was doing when the application crashed:
How to reproduce the bug:
1) open several applications until the taskbar is full and they start to group together
2) Try to choose one item from the group


 -- Backtrace:
Application: Plasma-Arbeitsfläche (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7721700 (LWP 2068))]

Thread 2 (Thread 0xabbffb70 (LWP 2100)):
#0  0x00874e06 in clock_gettime () from /lib/tls/i686/cmov/librt.so.1
#1  0x002a1a0b in qt_gettime () at kernel/qcore_unix.cpp:109
#2  0x002a6af5 in QTimerInfoList::updateCurrentTime (this=0x88b5984) at kernel/qeventdispatcher_unix.cpp:340
#3  0x002a6b3a in QTimerInfoList::timerWait (this=0x88b5984, tm=...) at kernel/qeventdispatcher_unix.cpp:443
#4  0x002a4b28 in timerSourcePrepareHelper (src=<value optimized out>, timeout=0xabbff0dc) at kernel/qeventdispatcher_glib.cpp:136
#5  0x002a4bb5 in timerSourcePrepare (source=0x0, timeout=0x878ff4) at kernel/qeventdispatcher_glib.cpp:169
#6  0x00c83f90 in g_main_context_prepare () from /lib/libglib-2.0.so.0
#7  0x00c84351 in ?? () from /lib/libglib-2.0.so.0
#8  0x00c84863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#9  0x002a491f in QEventDispatcherGlib::processEvents (this=0x889f548, flags=...) at kernel/qeventdispatcher_glib.cpp:414
#10 0x00277319 in QEventLoop::processEvents (this=0xabbff2a0, flags=) at kernel/qeventloop.cpp:149
#11 0x0027776a in QEventLoop::exec (this=0xabbff2a0, flags=...) at kernel/qeventloop.cpp:201
#12 0x001735a8 in QThread::exec (this=0x88afdf8) at thread/qthread.cpp:487
#13 0x00256fbb in QInotifyFileSystemWatcherEngine::run (this=0x88afdf8) at io/qfilesystemwatcher_inotify.cpp:248
#14 0x0017632e in QThreadPrivate::start (arg=0x88afdf8) at thread/qthread_unix.cpp:248
#15 0x0085d80e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#16 0x007df8de in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb7721700 (LWP 2068)):
[KCrash Handler]
#6  0x0132d81f in Plasma::PaintUtils::transition (from=..., to=..., amount=0.40000000000000002) at ../../plasma/paintutils.cpp:157
#7  0x01e02387 in ?? () from /usr/lib/kde4/plasma_applet_tasks.so
#8  0x01dfe325 in ?? () from /usr/lib/kde4/plasma_applet_tasks.so
#9  0x01e051bb in ?? () from /usr/lib/kde4/plasma_applet_tasks.so
#10 0x06c6d39c in _q_paintItem (item=<value optimized out>, painter=<value optimized out>, option=0x8318b08, widget=0x8671708, useWindowOpacity=true, painterStateProtection=true)
    at graphicsview/qgraphicsscene.cpp:4218
#11 0x06c87e24 in QGraphicsScenePrivate::drawItemHelper (this=0x83189a8, item=0x8f4cac0, painter=0xbfe4b4a4, option=0x8318b08, widget=0x8671708, painterStateProtection=<value optimized out>)
    at graphicsview/qgraphicsscene.cpp:4286
#12 0x06c8a471 in QGraphicsScenePrivate::draw (this=0x83189a8, item=0x8f4cac0, painter=0xbfe4b4a4, viewTransform=0xbfe4b2dc, transformPtr=0xbfe4a2f8, exposedRegion=0x8897e9c, widget=0x8671708, 
    opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4767
#13 0x06c8ae43 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0x83189a8, item=0x8f4cac0, painter=0xbfe4b4a4, viewTransform=0xbfe4b2dc, exposedRegion=0x8897e9c, widget=0x8671708, 
    parentOpacity=1, effectTransform=0x0) at graphicsview/qgraphicsscene.cpp:4700
#14 0x06c8a4fc in QGraphicsScenePrivate::draw (this=0x83189a8, item=0x8837d18, painter=0xbfe4b4a4, viewTransform=0xbfe4b2dc, transformPtr=0xbfe4a748, exposedRegion=0x8897e9c, widget=0x8671708, 
    opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4781
#15 0x06c8ae43 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0x83189a8, item=0x8837d18, painter=0xbfe4b4a4, viewTransform=0xbfe4b2dc, exposedRegion=0x8897e9c, widget=0x8671708, 
    parentOpacity=1, effectTransform=0x0) at graphicsview/qgraphicsscene.cpp:4700
#16 0x06c8a4fc in QGraphicsScenePrivate::draw (this=0x83189a8, item=0x8728738, painter=0xbfe4b4a4, viewTransform=0xbfe4b2dc, transformPtr=0xbfe4ab98, exposedRegion=0x8897e9c, widget=0x8671708, 
    opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4781
#17 0x06c8ae43 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0x83189a8, item=0x8728738, painter=0xbfe4b4a4, viewTransform=0xbfe4b2dc, exposedRegion=0x8897e9c, widget=0x8671708, 
    parentOpacity=1, effectTransform=0x0) at graphicsview/qgraphicsscene.cpp:4700
#18 0x06c8a4fc in QGraphicsScenePrivate::draw (this=0x83189a8, item=0x85bf878, painter=0xbfe4b4a4, viewTransform=0xbfe4b2dc, transformPtr=0xbfe4afe8, exposedRegion=0x8897e9c, widget=0x8671708, 
    opacity=1, effectTransform=0x0, wasDirtyParentSceneTransform=false, drawItem=true) at graphicsview/qgraphicsscene.cpp:4781
#19 0x06c8ae43 in QGraphicsScenePrivate::drawSubtreeRecursive (this=0x83189a8, item=0x85bf878, painter=0xbfe4b4a4, viewTransform=0xbfe4b2dc, exposedRegion=0x8897e9c, widget=0x8671708, 
    parentOpacity=1, effectTransform=0x0) at graphicsview/qgraphicsscene.cpp:4700
#20 0x06c8b556 in QGraphicsScenePrivate::drawItems (this=0x83189a8, painter=0xbfe4b4a4, viewTransform=0xbfe4b2dc, exposedRegion=0x8897e9c, widget=0x8671708) at graphicsview/qgraphicsscene.cpp:4593
#21 0x06ca597b in QGraphicsView::paintEvent (this=0x888fbe8, event=0xbfe4bbd4) at graphicsview/qgraphicsview.cpp:3394
#22 0x01494dac in ?? () from /usr/lib/libkdeinit4_plasma-desktop.so
#23 0x06637466 in QWidget::event (this=0x888fbe8, event=0xbfe4bbd4) at kernel/qwidget.cpp:8124
#24 0x06a32b23 in QFrame::event (this=0x888fbe8, e=0xbfe4bbd4) at widgets/qframe.cpp:557
#25 0x06accda2 in QAbstractScrollArea::viewportEvent (this=0x5a, e=0x0) at widgets/qabstractscrollarea.cpp:1036
#26 0x06ca1dfb in QGraphicsView::viewportEvent (this=0x888fbe8, event=0xbfe4bbd4) at graphicsview/qgraphicsview.cpp:2788
#27 0x06acf695 in QAbstractScrollAreaPrivate::viewportEvent (this=0x87e8b28, o=0x8671708, e=0xbfe4bbd4) at widgets/qabstractscrollarea_p.h:100
#28 QAbstractScrollAreaFilter::eventFilter (this=0x87e8b28, o=0x8671708, e=0xbfe4bbd4) at widgets/qabstractscrollarea_p.h:116
#29 0x00277f9a in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x8282710, receiver=0x8671708, event=0xbfe4bbd4) at kernel/qcoreapplication.cpp:819
#30 0x065d9259 in QApplicationPrivate::notify_helper (this=0x8282710, receiver=0x8671708, e=0xbfe4bbd4) at kernel/qapplication.cpp:4294
#31 0x065dff79 in QApplication::notify (this=0x827c830, receiver=0x8671708, e=0xbfe4bbd4) at kernel/qapplication.cpp:4263
#32 0x01099bfa in KApplication::notify (this=0x827c830, receiver=0x8671708, event=0xbfe4bbd4) at ../../kdeui/kernel/kapplication.cpp:302
#33 0x00278cfb in QCoreApplication::notifyInternal (this=0x827c830, receiver=0x8671708, event=0xbfe4bbd4) at kernel/qcoreapplication.cpp:704
#34 0x06640666 in QCoreApplication::sendSpontaneousEvent (this=0x88831b0, pdev=0x88e706c, rgn=..., offset=..., flags=<value optimized out>, sharedPainter=0x0, backingStore=0x833db20)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#35 QWidgetPrivate::drawWidget (this=0x88831b0, pdev=0x88e706c, rgn=..., offset=..., flags=<value optimized out>, sharedPainter=0x0, backingStore=0x833db20) at kernel/qwidget.cpp:5321
#36 0x066414a5 in QWidgetPrivate::paintSiblingsRecursive (this=0x8897b38, pdev=0x88e706c, siblings=..., index=3, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x833db20)
    at kernel/qwidget.cpp:5434
#37 0x066412de in QWidgetPrivate::paintSiblingsRecursive (this=0x8897b38, pdev=0x88e706c, siblings=..., index=4, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x833db20)
    at kernel/qwidget.cpp:5421
#38 0x066412de in QWidgetPrivate::paintSiblingsRecursive (this=0x8897b38, pdev=0x88e706c, siblings=..., index=5, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x833db20)
    at kernel/qwidget.cpp:5421
#39 0x066412de in QWidgetPrivate::paintSiblingsRecursive (this=0x8897b38, pdev=0x88e706c, siblings=..., index=6, rgn=..., offset=..., flags=4, sharedPainter=0x0, backingStore=0x833db20)
    at kernel/qwidget.cpp:5421
#40 0x066403b5 in QWidgetPrivate::drawWidget (this=0x8897b38, pdev=0x88e706c, rgn=..., offset=..., flags=<value optimized out>, sharedPainter=0x0, backingStore=0x833db20) at kernel/qwidget.cpp:5370
#41 0x06816490 in QWidgetBackingStore::sync (this=0x833db20) at painting/qbackingstore.cpp:1291
#42 0x06630973 in QWidgetPrivate::syncBackingStore (this=0x8897b38) at kernel/qwidget.cpp:1663
#43 0x06637c26 in QWidget::event (this=0x888fbe8, event=0x8f91c70) at kernel/qwidget.cpp:8271
#44 0x06a32b23 in QFrame::event (this=0x888fbe8, e=0x8f91c70) at widgets/qframe.cpp:557
#45 0x06acd7b7 in QAbstractScrollArea::event (this=0x888fbe8, e=0x8f91c70) at widgets/qabstractscrollarea.cpp:989
#46 0x06ca3fa6 in QGraphicsView::event (this=0x888fbe8, event=0x8f91c70) at graphicsview/qgraphicsview.cpp:2666
#47 0x01496523 in ?? () from /usr/lib/libkdeinit4_plasma-desktop.so
#48 0x065d927c in QApplicationPrivate::notify_helper (this=0x8282710, receiver=0x8f91c70, e=0x888fbe8) at kernel/qapplication.cpp:4298
#49 0x065dff79 in QApplication::notify (this=0x827c830, receiver=0x888fbe8, e=0x8f91c70) at kernel/qapplication.cpp:4263
#50 0x01099bfa in KApplication::notify (this=0x827c830, receiver=0x888fbe8, event=0x8f91c70) at ../../kdeui/kernel/kapplication.cpp:302
#51 0x00278cfb in QCoreApplication::notifyInternal (this=0x827c830, receiver=0x888fbe8, event=0x8f91c70) at kernel/qcoreapplication.cpp:704
#52 0x0027b733 in QCoreApplication::sendEvent (receiver=0x888fbe8, event_type=77, data=0x823f520) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#53 QCoreApplicationPrivate::sendPostedEvents (receiver=0x888fbe8, event_type=77, data=0x823f520) at kernel/qcoreapplication.cpp:1345
#54 0x0027b89d in QCoreApplication::sendPostedEvents (receiver=0x888fbe8, event_type=77) at kernel/qcoreapplication.cpp:1238
#55 0x06c875b6 in QGraphicsViewPrivate::dispatchPendingUpdateRequests (this=0x83189a8) at ../../include/QtGui/private/../../../src/gui/graphicsview/qgraphicsview_p.h:184
#56 QGraphicsScenePrivate::_q_processDirtyItems (this=0x83189a8) at graphicsview/qgraphicsscene.cpp:490
#57 0x06c87b06 in QGraphicsScene::qt_metacall (this=0x8361b48, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0x8fba6f8) at .moc/release-shared/moc_qgraphicsscene.cpp:130
#58 0x0130edba in Plasma::Corona::qt_metacall (this=0x8361b48, _c=QMetaObject::InvokeMetaMethod, _id=18, _a=0x8fba6f8) at ./corona.moc:101
#59 0x01485b1a in ?? () from /usr/lib/libkdeinit4_plasma-desktop.so
#60 0x0027df6a in QMetaObject::metacall (object=0x8361b48, cl=90, idx=0, argv=0x8361b48) at kernel/qmetaobject.cpp:237
#61 0x00288626 in QMetaCallEvent::placeMetaCall (this=0x8d5dbe0, object=0x8361b48) at kernel/qobject.cpp:561
#62 0x0028974e in QObject::event (this=0x8361b48, e=0x8d5dbe0) at kernel/qobject.cpp:1248
#63 0x06c837e4 in QGraphicsScene::event (this=0x8361b48, event=0x8d5dbe0) at graphicsview/qgraphicsscene.cpp:3475
#64 0x065d927c in QApplicationPrivate::notify_helper (this=0x8282710, receiver=0x8361b48, e=0x8d5dbe0) at kernel/qapplication.cpp:4298
#65 0x065dfede in QApplication::notify (this=0x827c830, receiver=0x8361b48, e=0x8d5dbe0) at kernel/qapplication.cpp:3702
#66 0x01099bfa in KApplication::notify (this=0x827c830, receiver=0x8361b48, event=0x8d5dbe0) at ../../kdeui/kernel/kapplication.cpp:302
#67 0x00278cfb in QCoreApplication::notifyInternal (this=0x827c830, receiver=0x8361b48, event=0x8d5dbe0) at kernel/qcoreapplication.cpp:704
#68 0x0027b733 in QCoreApplication::sendEvent (receiver=0x0, event_type=0, data=0x823f520) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#69 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x823f520) at kernel/qcoreapplication.cpp:1345
#70 0x0027b89d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1238
#71 0x002a4def in QCoreApplication::sendPostedEvents (s=0x8284eb8) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#72 postEventSourceDispatch (s=0x8284eb8) at kernel/qeventdispatcher_glib.cpp:276
#73 0x00c80e88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#74 0x00c84730 in ?? () from /lib/libglib-2.0.so.0
#75 0x00c84863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#76 0x002a48e5 in QEventDispatcherGlib::processEvents (this=0x8282438, flags=...) at kernel/qeventdispatcher_glib.cpp:412
#77 0x06698485 in QGuiEventDispatcherGlib::processEvents (this=0x8282438, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#78 0x00277319 in QEventLoop::processEvents (this=0xbfe4d864, flags=) at kernel/qeventloop.cpp:149
#79 0x0027776a in QEventLoop::exec (this=0xbfe4d864, flags=...) at kernel/qeventloop.cpp:201
#80 0x0027b95f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#81 0x065d9317 in QApplication::exec () at kernel/qapplication.cpp:3577
#82 0x0148b80d in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#83 0x0804dde1 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x8273c00 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x80511a5 "0") at ../../kinit/kinit.cpp:677
#84 0x0804ea35 in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at ../../kinit/kinit.cpp:1169
#85 0x0804eeac in handle_requests (waitForPid=<value optimized out>) at ../../kinit/kinit.cpp:1362
#86 0x0804fbaf in main (argc=2, argv=0xbfe4e0c4, envp=0xbfe4e0d0) at ../../kinit/kinit.cpp:1793

This bug may be a duplicate of or related to bug 226431

Reported using DrKonqi