[Bug 167143] New: plasma crash on logout after resizing panel vertically

[Bohan]

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http://bugs.kde.org/show_bug.cgi?id=167143         
           Summary: plasma crash on logout after resizing panel vertically
           Product: plasma
           Version: unspecified
          Platform: SuSE RPMs
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: panel-devel kde org
        ReportedBy: bh.inbox gmail com


Version:           4.0.98 (using KDE 4.0.98)
Installed from:    SuSE RPMs
Compiler:          gcc 4.3.1 openSUSE 11.0
OS:                Linux

I made to panel thicker using the new 4.1 resizing system to make widget bigger.
on logout, plasma crashes, and all widgets added to the panel during the session were lost after logging in again.

backtrace: Using KDE 4.00.98 (KDE 4.0.98 (4.1 RC1)) "release 7.1"

Application: Plasma Workspace (plasma), signal SIGSEGV
[?1034h[Thread debugging using libthread_db enabled]
[New Thread 0x7fde57500740 (LWP 5205)]
[New Thread 0x42143950 (LWP 5209)]
[KCrash handler]
#5  0x00000000006eb7d0 in ?? ()
#6  0x00007fde5bdc33a9 in QGraphicsWidget::event (this=0x790c10, 
    event=0x7fff6a26eb80) at graphicsview/qgraphicswidget.cpp:1153
#7  0x00007fde5b8e992d in QApplicationPrivate::notify_helper (this=0x62e210, 
    receiver=0x790c10, e=0x7fff6a26eb80) at kernel/qapplication.cpp:3772
#8  0x00007fde5b8efcfa in QApplication::notify (this=0x6243e0, 
    receiver=0x790c10, e=0x7fff6a26eb80) at kernel/qapplication.cpp:3739
#9  0x00007fde60dbd9ab in KApplication::notify (this=0x6243e0, 
    receiver=0x790c10, event=0x7fff6a26eb80)
    at /usr/src/debug/kdelibs-4.0.98/kdeui/kernel/kapplication.cpp:311
#10 0x00007fde5ea1ae9c in QCoreApplication::notifyInternal (this=0x6243e0, 
    receiver=0x790c10, event=0x7fff6a26eb80) at kernel/qcoreapplication.cpp:584
#11 0x00007fde5bdc3197 in QGraphicsWidget::sceneEvent (this=0x790c10, 
    event=0x7fff6a26eb80)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#12 0x00007fde5bda660d in QGraphicsScene::setFocusItem (this=0x0, item=0x0, 
    focusReason=Qt::OtherFocusReason) at graphicsview/qgraphicsscene.cpp:2634
#13 0x00007fde5bdc1fc7 in ~QGraphicsWidget (this=0x790c10)
    at graphicsview/qgraphicswidget.cpp:218
#14 0x00007fde53c719b9 in ~Panel (this=0x781cf0)
    at /usr/src/debug/kdebase-workspace-4.0.98/plasma/containments/panel/panel.cpp:75
#15 0x00007fde61b5c4ae in ~Corona (this=0x6ea140)
    at /usr/include/QtCore/qalgorithms.h:352
#16 0x00007fde61e3a317 in ~DesktopCorona (this=0x781cf0)
    at /usr/src/debug/kdebase-workspace-4.0.98/plasma/plasma/desktopcorona.h:36
#17 0x00007fde61e469a6 in PlasmaApp::cleanup (this=0x6243e0)
    at /usr/src/debug/kdebase-workspace-4.0.98/plasma/plasma/plasmaapp.cpp:257
#18 0x00007fde61e479c0 in PlasmaApp::qt_metacall (this=0x6243e0, 
    _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, 
    _a=0x7fff6a26eef0)
    at /usr/src/debug/kdebase-workspace-4.0.98/build/plasma/plasma/plasmaapp.moc:79
#19 0x00007fde5ea2c4f0 in QMetaObject::activate (sender=0x6243e0, 
    from_signal_index=<value optimized out>, to_signal_index=4, 
    argv=0x7fde5ecdf6c0) at kernel/qobject.cpp:3007
#20 0x00007fde5ea1ba44 in QCoreApplication::exec ()
    at kernel/qcoreapplication.cpp:850
#21 0x00007fde61e3d033 in kdemain (argc=1, argv=0x7fff6a26f2b8)
    at /usr/src/debug/kdebase-workspace-4.0.98/plasma/plasma/main.cpp:54
#22 0x00007fde5a607436 in __libc_start_main () from /lib64/libc.so.6
#23 0x00000000004008b9 in _start ()
#0  0x00007fde5a68b261 in nanosleep () from /lib64/libc.so.6