Bug 265507

Application: plasma-desktop (0.3)
KDE Platform Version: 4.4.5 (KDE 4.4.5)
Qt Version: 4.6.2
Operating System: Linux 2.6.32-28-generic x86_64
Distribution: Ubuntu 10.04.2 LTS

-- Information about the crash:
I deleted the final panel on my desktop, afterwhich it crashed

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[KCrash Handler]
#5  0x00007fcf65e6f584 in QGraphicsScene::addItem (this=0x2731e90, item=0x357f310) at graphicsview/qgraphicsscene.cpp:2596
#6  0x00007fcf5f0bbb37 in Plasma::CoronaPrivate::addContainment(QString const&, QList<QVariant> const&, unsigned int, bool) () from /usr/lib/libplasma.so.3
#7  0x00007fcf59ee8399 in DesktopCorona::addPanel (this=0x357f310, plugin=...) at ../../../../plasma/desktop/shell/desktopcorona.cpp:527
#8  0x00007fcf59ee9074 in DesktopCorona::addPanel (this=0x2731e90) at ../../../../plasma/desktop/shell/desktopcorona.cpp:513
#9  0x00007fcf59eecd18 in DesktopCorona::qt_metacall (this=0x2731e90, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7ffff3a3b400) at ./desktopcorona.moc:93
#10 0x00007fcf666c9e3f in QMetaObject::activate (sender=0x290cc10, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3293
#11 0x00007fcf6584d032 in QAction::triggered (this=0x357f310, _t1=false) at .moc/release-shared/moc_qaction.cpp:263
#12 0x00007fcf6584f0ab in QAction::activate (this=0x290cc10, event=<value optimized out>) at kernel/qaction.cpp:1255
#13 0x00007fcf65c8e39d in QMenuPrivate::activateCausedStack (this=<value optimized out>, causedStack=..., action=0x290cc10, action_e=QAction::Trigger, self=true) at widgets/qmenu.cpp:1011
#14 0x00007fcf65c93dda in QMenuPrivate::activateAction (this=0x48b79f0, action=0x290cc10, action_e=QAction::Trigger, self=<value optimized out>) at widgets/qmenu.cpp:1103
#15 0x00007fcf66cdb48e in KMenu::mouseReleaseEvent (this=0x7ffff3a3cd00, e=0x357f300) at ../../kdeui/widgets/kmenu.cpp:471
#16 0x00007fcf658a9582 in QWidget::event (this=0x7ffff3a3cd00, event=0x7ffff3a3c050) at kernel/qwidget.cpp:7998
#17 0x00007fcf65c95f9b in QMenu::event (this=0x7ffff3a3cd00, e=0x7ffff3a3c050) at widgets/qmenu.cpp:2414
#18 0x00007fcf6585322c in QApplicationPrivate::notify_helper (this=0x25c01b0, receiver=0x7ffff3a3cd00, e=0x7ffff3a3c050) at kernel/qapplication.cpp:4300
#19 0x00007fcf65859ecb in QApplication::notify (this=0x25a9c30, receiver=0x7ffff3a3cd00, e=0x7ffff3a3c050) at kernel/qapplication.cpp:3865
#20 0x00007fcf66bfea16 in KApplication::notify (this=0x25a9c30, receiver=0x7ffff3a3cd00, event=0x7ffff3a3c050) at ../../kdeui/kernel/kapplication.cpp:302
#21 0x00007fcf666b706c in QCoreApplication::notifyInternal (this=0x25a9c30, receiver=0x7ffff3a3cd00, event=0x7ffff3a3c050) at kernel/qcoreapplication.cpp:704
#22 0x00007fcf658590ae in QCoreApplication::sendEvent (receiver=0x7ffff3a3cd00, event=0x7ffff3a3c050, alienWidget=0x0, nativeWidget=0x7ffff3a3cd00, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#23 QApplicationPrivate::sendMouseEvent (receiver=0x7ffff3a3cd00, event=0x7ffff3a3c050, alienWidget=0x0, nativeWidget=0x7ffff3a3cd00, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at kernel/qapplication.cpp:2965
#24 0x00007fcf658d93dd in QETWidget::translateMouseEvent (this=0x7ffff3a3cd00, event=<value optimized out>) at kernel/qapplication_x11.cpp:4302
#25 0x00007fcf658d78ac in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7ffff3a3c970) at kernel/qapplication_x11.cpp:3501
#26 0x00007fcf65903882 in x11EventSourceDispatch (s=0x25c3830, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#27 0x00007fcf61a988c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#28 0x00007fcf61a9c748 in ?? () from /lib/libglib-2.0.so.0
#29 0x00007fcf61a9c8fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#30 0x00007fcf666e0513 in QEventDispatcherGlib::processEvents (this=0x253ada0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#31 0x00007fcf6590346e in QGuiEventDispatcherGlib::processEvents (this=0x357f310, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#32 0x00007fcf666b5992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#33 0x00007fcf666b5d6c in QEventLoop::exec (this=0x7ffff3a3cca0, flags=) at kernel/qeventloop.cpp:201
#34 0x00007fcf65c914e5 in QMenu::exec (this=0x7ffff3a3cd00, p=<value optimized out>, action=0x0) at widgets/qmenu.cpp:2063
#35 0x00007fcf4917d9de in ContextMenu::contextEvent (this=0x2acceb0, event=<value optimized out>) at ../../../../../plasma/generic/containmentactions/contextmenu/menu.cpp:139
#36 0x00007fcf5f0a736b in Plasma::Containment::mousePressEvent (this=<value optimized out>, event=0x7ffff3a3d850) at ../../plasma/containment.cpp:577
#37 0x00007fcf65e4c4eb in QGraphicsItem::sceneEvent (this=0x2aa3930, event=0x357f300) at graphicsview/qgraphicsitem.cpp:6496
#38 0x00007fcf65e62898 in QGraphicsScenePrivate::sendMouseEvent (this=0x2718cb0, mouseEvent=0x7ffff3a3d850) at graphicsview/qgraphicsscene.cpp:1255
#39 0x00007fcf65e70ea9 in QGraphicsScenePrivate::mousePressEventHandler (this=0x2718cb0, mouseEvent=0x7ffff3a3d850) at graphicsview/qgraphicsscene.cpp:1378
#40 0x00007fcf65e71404 in QGraphicsScene::mousePressEvent (this=<value optimized out>, mouseEvent=0x7ffff3a3d850) at graphicsview/qgraphicsscene.cpp:4003
#41 0x00007fcf65e78f6f in QGraphicsScene::event (this=0x2731e90, event=0x7ffff3a3d850) at graphicsview/qgraphicsscene.cpp:3395
#42 0x00007fcf6585322c in QApplicationPrivate::notify_helper (this=0x25c01b0, receiver=0x2731e90, e=0x7ffff3a3d850) at kernel/qapplication.cpp:4300
#43 0x00007fcf658596fb in QApplication::notify (this=0x25a9c30, receiver=0x2731e90, e=0x7ffff3a3d850) at kernel/qapplication.cpp:4183
#44 0x00007fcf66bfea16 in KApplication::notify (this=0x25a9c30, receiver=0x2731e90, event=0x7ffff3a3d850) at ../../kdeui/kernel/kapplication.cpp:302
#45 0x00007fcf666b706c in QCoreApplication::notifyInternal (this=0x25a9c30, receiver=0x2731e90, event=0x7ffff3a3d850) at kernel/qcoreapplication.cpp:704
#46 0x00007fcf65e94e5f in QGraphicsView::mousePressEvent (this=0x34c9cd0, event=0x7ffff3a3e270) at graphicsview/qgraphicsview.cpp:3085
#47 0x00007fcf658a9569 in QWidget::event (this=0x34c9cd0, event=0x7ffff3a3e270) at kernel/qwidget.cpp:7994
#48 0x00007fcf65c504e6 in QFrame::event (this=0x34c9cd0, e=0x7ffff3a3e270) at widgets/qframe.cpp:557
#49 0x00007fcf65e91f0b in QGraphicsView::viewportEvent (this=0x34c9cd0, event=0x7ffff3a3e270) at graphicsview/qgraphicsview.cpp:2787
#50 0x00007fcf666b6487 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x34e0ea0, event=0x7ffff3a3e270) at kernel/qcoreapplication.cpp:819
#51 0x00007fcf658531fc in QApplicationPrivate::notify_helper (this=0x25c01b0, receiver=0x34e0ea0, e=0x7ffff3a3e270) at kernel/qapplication.cpp:4296
#52 0x00007fcf65859ecb in QApplication::notify (this=0x25a9c30, receiver=0x34e0ea0, e=0x7ffff3a3e270) at kernel/qapplication.cpp:3865
#53 0x00007fcf66bfea16 in KApplication::notify (this=0x25a9c30, receiver=0x34e0ea0, event=0x7ffff3a3e270) at ../../kdeui/kernel/kapplication.cpp:302
#54 0x00007fcf666b706c in QCoreApplication::notifyInternal (this=0x25a9c30, receiver=0x34e0ea0, event=0x7ffff3a3e270) at kernel/qcoreapplication.cpp:704
#55 0x00007fcf658590ae in QCoreApplication::sendEvent (receiver=0x34e0ea0, event=0x7ffff3a3e270, alienWidget=0x34e0ea0, nativeWidget=0x34c9cd0, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#56 QApplicationPrivate::sendMouseEvent (receiver=0x34e0ea0, event=0x7ffff3a3e270, alienWidget=0x34e0ea0, nativeWidget=0x34c9cd0, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at kernel/qapplication.cpp:2965
#57 0x00007fcf658d8f65 in QETWidget::translateMouseEvent (this=0x34c9cd0, event=<value optimized out>) at kernel/qapplication_x11.cpp:4368
#58 0x00007fcf658d78ac in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7ffff3a3eb90) at kernel/qapplication_x11.cpp:3501
#59 0x00007fcf65903882 in x11EventSourceDispatch (s=0x25c3830, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#60 0x00007fcf61a988c2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#61 0x00007fcf61a9c748 in ?? () from /lib/libglib-2.0.so.0
#62 0x00007fcf61a9c8fc in g_main_context_iteration () from /lib/libglib-2.0.so.0
#63 0x00007fcf666e0513 in QEventDispatcherGlib::processEvents (this=0x253ada0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#64 0x00007fcf6590346e in QGuiEventDispatcherGlib::processEvents (this=0x357f310, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#65 0x00007fcf666b5992 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#66 0x00007fcf666b5d6c in QEventLoop::exec (this=0x7ffff3a3eec0, flags=) at kernel/qeventloop.cpp:201
#67 0x00007fcf666b9aab in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#68 0x00007fcf59ef3fb2 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../plasma/desktop/shell/main.cpp:112
#69 0x00000000004070f3 in launch (argc=1, _name=<value optimized out>, args=<value optimized out>, cwd=<value optimized out>, envc=0, envs=<value optimized out>, reset_env=false, tty=0x0, 
    avoid_loops=false, startup_id_str=0x40a4f9 "0") at ../../kinit/kinit.cpp:717
#70 0x0000000000407cb0 in handle_launcher_request (sock=8, who=<value optimized out>) at ../../kinit/kinit.cpp:1209
#71 0x000000000040823a in handle_requests (waitForPid=0) at ../../kinit/kinit.cpp:1402
#72 0x0000000000408e22 in main (argc=4, argv=<value optimized out>, envp=<value optimized out>) at ../../kinit/kinit.cpp:1845

Possible duplicates by query: bug 248746, bug 228549.

Reported using DrKonqi