Application: plasma-desktop (0.3)
KDE Platform Version: 4.4.5 (KDE 4.4.5)
Qt Version: 4.6.3
Operating System: Linux 2.6.32-5-amd64 x86_64
Distribution: Debian GNU/Linux 6.0.2 (squeeze)

-- Information about the crash:
I had just given the comand to start iceweasel, and was trying to find a way to get rid of the iceweasel that had become attached to my mouse pointer, when plasma-desktop suddenly crashed.

 -- Backtrace:
Application: Plasma-werkgebied (plasma-desktop), signal: Segmentation fault
The current source language is "auto; currently asm".
[Current thread is 1 (Thread 0x7fc61a9f4780 (LWP 4489))]

Thread 2 (Thread 0x7fc5f7cb5700 (LWP 4614)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:211
#1  0x00007fc616b5add2 in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x13ece40, time=30000) at thread/qwaitcondition_unix.cpp:85
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x13ece40, time=30000) at thread/qwaitcondition_unix.cpp:159
#3  0x00007fc616b4fe01 in QThreadPoolThread::run (this=0x139fdb0) at concurrent/qthreadpool.cpp:140
#4  0x00007fc616b59e15 in QThreadPrivate::start (arg=0x139fdb0) at thread/qthread_unix.cpp:248
#5  0x00007fc6123108ba in start_thread (arg=<value optimized out>) at pthread_create.c:300
#6  0x00007fc61a43502d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fc61a9f4780 (LWP 4489)):
[KCrash Handler]
#5  QScopedPointer<QGraphicsItemPrivate, QScopedPointerDeleter<QGraphicsItemPrivate> >::operator-> (this=0x0, point=...) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:113
#6  QGraphicsItem::mapFromScene (this=0x0, point=...) at graphicsview/qgraphicsitem.cpp:6078
#7  0x00007fc6179cc06b in QGraphicsItemPrivate::genericMapFromScene (this=<value optimized out>, pos=..., viewport=0x16fc170) at graphicsview/qgraphicsitem.cpp:922
#8  0x00007fc6179e16b3 in QGraphicsScenePrivate::sendDragDropEvent (this=0xb98f60, item=0x1cd48f0, dragDropEvent=0x7fffbe866880) at graphicsview/qgraphicsscene.cpp:1218
#9  0x00007fc6179e8e3d in QGraphicsScene::dragMoveEvent (this=<value optimized out>, event=0x7fffbe866fd0) at graphicsview/qgraphicsscene.cpp:3640
#10 0x00007fc6179f9bac in QGraphicsScene::event (this=0xb98d20, event=0x7fffbe866fd0) at graphicsview/qgraphicsscene.cpp:3352
#11 0x00007fc6173d232c in QApplicationPrivate::notify_helper (this=0xa851a0, receiver=0xb98d20, e=0x7fffbe866fd0) at kernel/qapplication.cpp:4302
#12 0x00007fc6173d880b in QApplication::notify (this=0xa63d40, receiver=0xb98d20, e=0x7fffbe866fd0) at kernel/qapplication.cpp:4185
#13 0x00007fc618589796 in KApplication::notify (this=0xa63d40, receiver=0xb98d20, event=0x7fffbe866fd0) at ../../kdeui/kernel/kapplication.cpp:302
#14 0x00007fc616c4909c in QCoreApplication::notifyInternal (this=0xa63d40, receiver=0xb98d20, event=0x7fffbe866fd0) at kernel/qcoreapplication.cpp:726
#15 0x00007fc617a13b45 in QCoreApplication::sendEvent (this=<value optimized out>, event=0x7fffbe867900) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#16 QGraphicsView::dragMoveEvent (this=<value optimized out>, event=0x7fffbe867900) at graphicsview/qgraphicsview.cpp:2939
#17 0x00007fc6174285ce in QWidget::event (this=0x16d2100, event=0x7fffbe867900) at kernel/qwidget.cpp:8242
#18 0x00007fc6177cf716 in QFrame::event (this=0x16d2100, e=0x7fffbe867900) at widgets/qframe.cpp:557
#19 0x00007fc617a12c1b in QGraphicsView::viewportEvent (this=0x16d2100, event=0x7fffbe867900) at graphicsview/qgraphicsview.cpp:2787
#20 0x00007fc616c484b7 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x16fc170, event=0x7fffbe867900) at kernel/qcoreapplication.cpp:841
#21 0x00007fc6173d22fc in QApplicationPrivate::notify_helper (this=0xa851a0, receiver=0x16fc170, e=0x7fffbe867900) at kernel/qapplication.cpp:4298
#22 0x00007fc6173d8a7d in QApplication::notify (this=<value optimized out>, receiver=0x16fc170, e=0x7fffbe867900) at kernel/qapplication.cpp:4110
#23 0x00007fc618589796 in KApplication::notify (this=0xa63d40, receiver=0x16fc170, event=0x7fffbe867900) at ../../kdeui/kernel/kapplication.cpp:302
#24 0x00007fc616c4909c in QCoreApplication::notifyInternal (this=0xa63d40, receiver=0x16fc170, event=0x7fffbe867900) at kernel/qcoreapplication.cpp:726
#25 0x00007fc617465f65 in handle_xdnd_position (w=<value optimized out>, xe=<value optimized out>, passive=<value optimized out>) at kernel/qdnd_x11.cpp:928
#26 0x00007fc617467527 in QDragManager::move (this=0x1cc9cf0, globalPos=<value optimized out>) at kernel/qdnd_x11.cpp:1643
#27 0x00007fc617467909 in QDragManager::eventFilter (this=0x0, o=<value optimized out>, e=0x16fc170) at kernel/qdnd_x11.cpp:1287
#28 0x00007fc6173d9db4 in QApplication::notify (this=<value optimized out>, receiver=0x1c53c80, e=0x7fffbe8684e0) at kernel/qapplication.cpp:3861
#29 0x00007fc618589796 in KApplication::notify (this=0xa63d40, receiver=0x1c53c80, event=0x7fffbe8684e0) at ../../kdeui/kernel/kapplication.cpp:302
#30 0x00007fc616c4909c in QCoreApplication::notifyInternal (this=0xa63d40, receiver=0x1c53c80, event=0x7fffbe8684e0) at kernel/qcoreapplication.cpp:726
#31 0x00007fc6173d81be in QCoreApplication::sendEvent (receiver=0x1c53c80, event=0x7fffbe8684e0, alienWidget=0x0, nativeWidget=0x1c53c80, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#32 QApplicationPrivate::sendMouseEvent (receiver=0x1c53c80, event=0x7fffbe8684e0, alienWidget=0x0, nativeWidget=0x1c53c80, buttonDown=<value optimized out>, lastMouseReceiver=<value optimized out>, 
    spontaneous=true) at kernel/qapplication.cpp:2967
#33 0x00007fc61745807b in QETWidget::translateMouseEvent (this=0x1c53c80, event=<value optimized out>) at kernel/qapplication_x11.cpp:4380
#34 0x00007fc6174569dc in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fffbe868c60) at kernel/qapplication_x11.cpp:3513
#35 0x00007fc6174825a2 in x11EventSourceDispatch (s=0xa88b10, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#36 0x00007fc6104d86f2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#37 0x00007fc6104dc568 in ?? () from /lib/libglib-2.0.so.0
#38 0x00007fc6104dc71c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#39 0x00007fc616c726b3 in QEventDispatcherGlib::processEvents (this=0xa49c50, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#40 0x00007fc61748219e in QGuiEventDispatcherGlib::processEvents (this=0x0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#41 0x00007fc616c479c2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#42 0x00007fc616c47d9c in QEventLoop::exec (this=0x16cc380, flags=) at kernel/qeventloop.cpp:201
#43 0x00007fc61746a455 in QDragManager::drag (this=0x1cc9cf0, o=<value optimized out>) at kernel/qdnd_x11.cpp:1960
#44 0x00007fc6173e89b8 in QDrag::exec (this=0x1b41e30, supportedActions=) at kernel/qdrag.cpp:282
#45 0x00007fc6173e8a73 in QDrag::exec (this=0x0, supportedActions=<value optimized out>) at kernel/qdrag.cpp:239
#46 0x00007fc5fa0ab4db in ?? () from /usr/lib/kde4/plasma_applet_launcher.so
#47 0x00007fc6178fae3e in QAbstractItemView::mouseMoveEvent (this=0x14c5390, event=<value optimized out>) at itemviews/qabstractitemview.cpp:1696
#48 0x00007fc5fa0ac75f in ?? () from /usr/lib/kde4/plasma_applet_launcher.so
#49 0x00007fc61742828f in QWidget::event (this=0x14c5390, event=0x7fffbe86a0e0) at kernel/qwidget.cpp:8029
#50 0x00007fc6177cf716 in QFrame::event (this=0x14c5390, e=0x7fffbe86a0e0) at widgets/qframe.cpp:557
#51 0x00007fc6178ffdbb in QAbstractItemView::viewportEvent (this=0x14c5390, event=0x7fffbe86a0e0) at itemviews/qabstractitemview.cpp:1615
#52 0x00007fc616c484b7 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x14dd7a0, event=0x7fffbe86a0e0) at kernel/qcoreapplication.cpp:841
#53 0x00007fc6173d22fc in QApplicationPrivate::notify_helper (this=0xa851a0, receiver=0x14dd7a0, e=0x7fffbe86a0e0) at kernel/qapplication.cpp:4298
#54 0x00007fc6173d8fdb in QApplication::notify (this=0xa63d40, receiver=0x14dd7a0, e=0x7fffbe86a0e0) at kernel/qapplication.cpp:3867
#55 0x00007fc618589796 in KApplication::notify (this=0xa63d40, receiver=0x14dd7a0, event=0x7fffbe86a0e0) at ../../kdeui/kernel/kapplication.cpp:302
#56 0x00007fc616c4909c in QCoreApplication::notifyInternal (this=0xa63d40, receiver=0x14dd7a0, event=0x7fffbe86a0e0) at kernel/qcoreapplication.cpp:726
#57 0x00007fc6173d81be in QCoreApplication::sendEvent (receiver=0x14dd7a0, event=0x7fffbe86a0e0, alienWidget=0x14dd7a0, nativeWidget=0xc40920, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#58 QApplicationPrivate::sendMouseEvent (receiver=0x14dd7a0, event=0x7fffbe86a0e0, alienWidget=0x14dd7a0, nativeWidget=0xc40920, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at kernel/qapplication.cpp:2967
#59 0x00007fc6173d866f in QApplicationPrivate::sendSyntheticEnterLeave (this=<value optimized out>, widget=<value optimized out>) at kernel/qapplication.cpp:3053
#60 0x00007fc617426dd4 in QWidgetPrivate::hideChildren (this=<value optimized out>, spontaneous=false) at kernel/qwidget.cpp:7579
#61 0x00007fc617426d91 in QWidgetPrivate::hideChildren (this=<value optimized out>, spontaneous=false) at kernel/qwidget.cpp:7565
#62 0x00007fc617426d91 in QWidgetPrivate::hideChildren (this=<value optimized out>, spontaneous=false) at kernel/qwidget.cpp:7565
#63 0x00007fc617426d91 in QWidgetPrivate::hideChildren (this=<value optimized out>, spontaneous=false) at kernel/qwidget.cpp:7565
#64 0x00007fc617426f56 in QWidgetPrivate::hide_helper (this=0x15a4000) at kernel/qwidget.cpp:7309
#65 0x00007fc61742f9f0 in QWidget::setVisible (this=0xc40920, visible=<value optimized out>) at kernel/qwidget.cpp:7481
#66 0x00007fc619fd2f5c in Plasma::PopupApplet::qt_metacall (this=0x10b1580, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffbe86a550) at ./popupapplet.moc:88
#67 0x00007fc5fa0b03d8 in ?? () from /usr/lib/kde4/plasma_applet_launcher.so
#68 0x00007fc616c5c2e6 in QMetaObject::activate (sender=0x14b4a80, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x1cc9960) at kernel/qobject.cpp:3295
#69 0x00007fc5fa0a4c56 in ?? () from /usr/lib/kde4/plasma_applet_launcher.so
#70 0x00007fc616c484b7 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x14dd7a0, event=0x7fffbe86ae80) at kernel/qcoreapplication.cpp:841
#71 0x00007fc6173d22fc in QApplicationPrivate::notify_helper (this=0xa851a0, receiver=0x14dd7a0, e=0x7fffbe86ae80) at kernel/qapplication.cpp:4298
#72 0x00007fc6173d8fdb in QApplication::notify (this=0xa63d40, receiver=0x14dd7a0, e=0x7fffbe86ae80) at kernel/qapplication.cpp:3867
#73 0x00007fc618589796 in KApplication::notify (this=0xa63d40, receiver=0x14dd7a0, event=0x7fffbe86ae80) at ../../kdeui/kernel/kapplication.cpp:302
#74 0x00007fc616c4909c in QCoreApplication::notifyInternal (this=0xa63d40, receiver=0x14dd7a0, event=0x7fffbe86ae80) at kernel/qcoreapplication.cpp:726
#75 0x00007fc6173d81be in QCoreApplication::sendEvent (receiver=0x14dd7a0, event=0x7fffbe86ae80, alienWidget=0x14dd7a0, nativeWidget=0xc40920, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#76 QApplicationPrivate::sendMouseEvent (receiver=0x14dd7a0, event=0x7fffbe86ae80, alienWidget=0x14dd7a0, nativeWidget=0xc40920, buttonDown=<value optimized out>, 
    lastMouseReceiver=<value optimized out>, spontaneous=true) at kernel/qapplication.cpp:2967
#77 0x00007fc61745807b in QETWidget::translateMouseEvent (this=0xc40920, event=<value optimized out>) at kernel/qapplication_x11.cpp:4380
#78 0x00007fc6174569dc in QApplication::x11ProcessEvent (this=<value optimized out>, event=0x7fffbe86b600) at kernel/qapplication_x11.cpp:3513
#79 0x00007fc6174825a2 in x11EventSourceDispatch (s=0xa88b10, callback=<value optimized out>, user_data=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:146
#80 0x00007fc6104d86f2 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#81 0x00007fc6104dc568 in ?? () from /lib/libglib-2.0.so.0
#82 0x00007fc6104dc71c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#83 0x00007fc616c726b3 in QEventDispatcherGlib::processEvents (this=0xa49c50, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#84 0x00007fc61748219e in QGuiEventDispatcherGlib::processEvents (this=0x0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#85 0x00007fc616c479c2 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#86 0x00007fc616c47d9c in QEventLoop::exec (this=0x7fffbe86b920, flags=) at kernel/qeventloop.cpp:201
#87 0x00007fc616c4ca2b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1003
#88 0x00007fc61a702f0f in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_plasma-desktop.so
#89 0x00007fc61a384c4d in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, 
    rtld_fini=<value optimized out>, stack_end=0x7fffbe86bcb8) at libc-start.c:228
#90 0x00000000004006b9 in _start ()

Reported using DrKonqi