Bug 300464

Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.4 (4.7.4) "release 13"
Qt Version: 4.7.4
Operating System: Linux 3.1.10-1.9-desktop x86_64
Distribution: "openSUSE 12.1 (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed
I just deleted the main panel. This happens every time while doing this.

-- Backtrace:
Application: Plasma-Desktop-Umgebung (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f51a4db8760 (LWP 3171))]

Thread 2 (Thread 0x7f51833f7700 (LWP 3178)):
#0  0x00007f51a242cff3 in poll () from /lib64/libc.so.6
#1  0x00007f519f220a98 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f519f220f59 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f51a3a3e586 in QEventDispatcherGlib::processEvents (this=0x7f517c0008c0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f51a3a12a32 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f51a3a12c2f in QEventLoop::exec (this=0x7f51833f6df0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f51a392a5df in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f51a39f5aff in QInotifyFileSystemWatcherEngine::run (this=0xfbd490) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f51a392d025 in QThreadPrivate::start (arg=0xfbd490) at thread/qthread_unix.cpp:331
#9  0x00007f51a369cf05 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f51a243610d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f51a4db8760 (LWP 3171)):
[KCrash Handler]
#6  0x00007f51a317bdd4 in QGraphicsItem::isPanel (this=0x1228e70) at graphicsview/qgraphicsitem.cpp:1780
#7  0x00007f51a31bf82b in QGraphicsScene::event (this=0x7e3400, event=<optimized out>) at graphicsview/qgraphicsscene.cpp:3478
#8  0x00007f51a2bc5c34 in notify_helper (e=0x7fff65c0a720, receiver=0x7e3400, this=0x6ee100) at kernel/qapplication.cpp:4481
#9  QApplicationPrivate::notify_helper (this=0x6ee100, receiver=0x7e3400, e=0x7fff65c0a720) at kernel/qapplication.cpp:4453
#10 0x00007f51a2bcaac1 in QApplication::notify (this=0x6d14b0, receiver=0x7e3400, e=0x7fff65c0a720) at kernel/qapplication.cpp:4360
#11 0x00007f51a47a6186 in KApplication::notify (this=0x6d14b0, receiver=0x7e3400, event=0x7fff65c0a720) at /usr/src/debug/kdelibs-4.7.4/kdeui/kernel/kapplication.cpp:311
#12 0x00007f51a3a1382c in QCoreApplication::notifyInternal (this=0x6d14b0, receiver=0x7e3400, event=0x7fff65c0a720) at kernel/qcoreapplication.cpp:787
#13 0x00007f51a31dd9b7 in sendEvent (event=0x7fff65c0a720, receiver=<optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:215
#14 QGraphicsView::viewportEvent (this=0x190c440, event=0x7fff65c0a720) at graphicsview/qgraphicsview.cpp:2793
#15 0x00007f51a3a139b8 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x1914a00, event=0x7fff65c0a720) at kernel/qcoreapplication.cpp:902
#16 0x00007f51a2bc5bff in notify_helper (e=0x7fff65c0a720, receiver=0x1914a00, this=0x6ee100) at kernel/qapplication.cpp:4477
#17 QApplicationPrivate::notify_helper (this=0x6ee100, receiver=0x1914a00, e=0x7fff65c0a720) at kernel/qapplication.cpp:4453
#18 0x00007f51a2bcaac1 in QApplication::notify (this=0x6d14b0, receiver=0x1914a00, e=0x7fff65c0a720) at kernel/qapplication.cpp:4360
#19 0x00007f51a47a6186 in KApplication::notify (this=0x6d14b0, receiver=0x1914a00, event=0x7fff65c0a720) at /usr/src/debug/kdelibs-4.7.4/kdeui/kernel/kapplication.cpp:311
#20 0x00007f51a3a1382c in QCoreApplication::notifyInternal (this=0x6d14b0, receiver=0x1914a00, event=0x7fff65c0a720) at kernel/qcoreapplication.cpp:787
#21 0x00007f51a2c16adf in sendEvent (event=0x7fff65c0a720, receiver=<optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:215
#22 QWidget::event (this=<optimized out>, event=0x7fff65c0a720) at kernel/qwidget.cpp:8551
#23 0x00007f51a2fba7d6 in QFrame::event (this=0x190c440, e=0x7fff65c0a720) at widgets/qframe.cpp:557
#24 0x00007f51a303c003 in QAbstractScrollArea::event (this=0x190c440, e=0x7fff65c0a720) at widgets/qabstractscrollarea.cpp:996
#25 0x00007f51a2bc5c34 in notify_helper (e=0x7fff65c0a720, receiver=0x190c440, this=0x6ee100) at kernel/qapplication.cpp:4481
#26 QApplicationPrivate::notify_helper (this=0x6ee100, receiver=0x190c440, e=0x7fff65c0a720) at kernel/qapplication.cpp:4453
#27 0x00007f51a2bcaac1 in QApplication::notify (this=0x6d14b0, receiver=0x190c440, e=0x7fff65c0a720) at kernel/qapplication.cpp:4360
#28 0x00007f51a47a6186 in KApplication::notify (this=0x6d14b0, receiver=0x190c440, event=0x7fff65c0a720) at /usr/src/debug/kdelibs-4.7.4/kdeui/kernel/kapplication.cpp:311
#29 0x00007f51a3a1382c in QCoreApplication::notifyInternal (this=0x6d14b0, receiver=0x190c440, event=0x7fff65c0a720) at kernel/qcoreapplication.cpp:787
#30 0x00007f51a2bc943d in sendSpontaneousEvent (event=0x7fff65c0a720, receiver=0x190c440) at ../../src/corelib/kernel/qcoreapplication.h:218
#31 QApplication::setActiveWindow (act=<optimized out>) at kernel/qapplication.cpp:2619
#32 0x00007f51a2c41d3b in QApplication::x11ProcessEvent (this=0x6d14b0, event=0x7fff65c0ad50) at kernel/qapplication_x11.cpp:3520
#33 0x00007f51a2c69332 in x11EventSourceDispatch (s=0x6f5bf0, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#34 0x00007f519f22058d in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#35 0x00007f519f220d88 in ?? () from /usr/lib64/libglib-2.0.so.0
#36 0x00007f519f220f59 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#37 0x00007f51a3a3e51f in QEventDispatcherGlib::processEvents (this=0x6f83e0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#38 0x00007f51a2c68fbe in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#39 0x00007f51a3a12a32 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#40 0x00007f51a3a12c2f in QEventLoop::exec (this=0x7fff65c0b120, flags=...) at kernel/qeventloop.cpp:201
#41 0x00007f51a3a16df7 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#42 0x00007f5192e05773 in kdemain (argc=1, argv=0x675390) at /usr/src/debug/kde-workspace-4.7.4/plasma/desktop/shell/main.cpp:120
#43 0x0000000000408897 in _start ()

Possible duplicates by query: bug 299366, bug 297243, bug 296745, bug 295149, bug 295022.

Reported using DrKonqi