Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.1 (KDE 4.3.1)
Qt Version: 4.5.2
Operating System: Linux 2.6.30-1-amd64 x86_64

What I was doing when the application crashed:
i copied a note from firefox, on desktop i pressed middle mouse botton,
selected notes, and boom! plasma crashed.
It's a duplicate of #206521

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fb87b8d4750 (LWP 8028))]

Thread 2 (Thread 0x7fb85a339950 (LWP 8035)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007fb87b40f469 in QWaitConditionPrivate::wait (this=0x2304e00, mutex=0x2304df8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=0x2304e00, mutex=0x2304df8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007fb877809024 in QHostInfoAgent::run (this=0x2304de0) at kernel/qhostinfo.cpp:260
#4  0x00007fb87b40e475 in QThreadPrivate::start (arg=0x2304de0) at thread/qthread_unix.cpp:188
#5  0x00007fb87814af9a in start_thread (arg=<value optimized out>) at pthread_create.c:300
#6  0x00007fb878d1356d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fb87b8d4750 (LWP 8028)):
[KCrash Handler]
#5  QMimeDataPrivate::q_func (this=0x1, format=..., type=QVariant::ByteArray) at kernel/qmimedata.cpp:59
#6  QMimeDataPrivate::retrieveTypedData (this=0x1, format=..., type=QVariant::ByteArray) at kernel/qmimedata.cpp:105
#7  0x00007fb87b500f92 in QMimeData::data (this=<value optimized out>, mimeType=...) at kernel/qmimedata.cpp:524
#8  0x00007fb872e4d9cf in Plasma::ContainmentPrivate::dropData (this=0x1ed5970, event=<value optimized out>) at ../../plasma/containment.cpp:1215
#9  0x00007fb872e4df95 in Plasma::Containment::mouseReleaseEvent (this=0x1d9b2f0, event=0x7fffe910df50) at ../../plasma/containment.cpp:499
#10 0x00007fb879a16317 in QGraphicsItem::sceneEvent (this=0x1d9b300, event=0x1) at graphicsview/qgraphicsitem.cpp:5025
#11 0x00007fb879a3c746 in QGraphicsScenePrivate::sendMouseEvent (this=0x19c5f60, mouseEvent=0x7fffe910df50) at graphicsview/qgraphicsscene.cpp:1230
#12 0x00007fb879a46d31 in QGraphicsScene::mouseReleaseEvent (this=<value optimized out>, mouseEvent=0x7fffe910df50) at graphicsview/qgraphicsscene.cpp:4445
#13 0x00007fb879a488a0 in QGraphicsScene::event (this=0x19c6de0, event=0x7fffe910df50) at graphicsview/qgraphicsscene.cpp:3808
#14 0x00007fb87947f80d in QApplicationPrivate::notify_helper (this=0x19768e0, receiver=0x19c6de0, e=0x7fffe910df50) at kernel/qapplication.cpp:4056
#15 0x00007fb87948786a in QApplication::notify (this=0x196dab0, receiver=0x19c6de0, e=0x7fffe910df50) at kernel/qapplication.cpp:4021
#16 0x00007fb87a0d943b in KApplication::notify (this=0x196dab0, receiver=0x19c6de0, event=0x7fffe910df50) at ../../kdeui/kernel/kapplication.cpp:302
#17 0x00007fb87b4f451c in QCoreApplication::notifyInternal (this=0x196dab0, receiver=0x19c6de0, event=0x7fffe910df50) at kernel/qcoreapplication.cpp:610
#18 0x00007fb879a58f7b in QCoreApplication::sendEvent (this=0x2436a90, event=0x7fffe910e960) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#19 QGraphicsView::mouseReleaseEvent (this=0x2436a90, event=0x7fffe910e960) at graphicsview/qgraphicsview.cpp:3382
#20 0x00007fb8794cfb4f in QWidget::event (this=0x2436a90, event=0x7fffe910e960) at kernel/qwidget.cpp:7549
#21 0x00007fb879838cdb in QFrame::event (this=0x2436a90, e=0x7fffe910e960) at widgets/qframe.cpp:559
#22 0x00007fb879a591fb in QGraphicsView::viewportEvent (this=0x2436a90, event=0x7fffe910e960) at graphicsview/qgraphicsview.cpp:2919
#23 0x00007fb87b4f3838 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<value optimized out>, receiver=0x244a5c0, event=0x7fffe910e960) at kernel/qcoreapplication.cpp:726
#24 0x00007fb87947f7dc in QApplicationPrivate::notify_helper (this=0x19768e0, receiver=0x244a5c0, e=0x7fffe910e960) at kernel/qapplication.cpp:4052
#25 0x00007fb879487fba in QApplication::notify (this=<value optimized out>, receiver=0x244a5c0, e=0x7fffe910e960) at kernel/qapplication.cpp:3758
#26 0x00007fb87a0d943b in KApplication::notify (this=0x196dab0, receiver=0x244a5c0, event=0x7fffe910e960) at ../../kdeui/kernel/kapplication.cpp:302
#27 0x00007fb87b4f451c in QCoreApplication::notifyInternal (this=0x196dab0, receiver=0x244a5c0, event=0x7fffe910e960) at kernel/qcoreapplication.cpp:610
#28 0x00007fb879487268 in QCoreApplication::sendSpontaneousEvent (receiver=0x244a5c0, event=0x7fffe910e960, alienWidget=0x244a5c0, nativeWidget=0x2436a90, buttonDown=<value optimized out>, 
    lastMouseReceiver=...) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#29 QApplicationPrivate::sendMouseEvent (receiver=0x244a5c0, event=0x7fffe910e960, alienWidget=0x244a5c0, nativeWidget=0x2436a90, buttonDown=<value optimized out>, lastMouseReceiver=...)
    at kernel/qapplication.cpp:2924
#30 0x00007fb8794efdf9 in QETWidget::translateMouseEvent (this=0x2436a90, event=<value optimized out>) at kernel/qapplication_x11.cpp:4409
#31 0x00007fb8794eebaf in QApplication::x11ProcessEvent (this=0x196dab0, event=0x7fffe9110330) at kernel/qapplication_x11.cpp:3550
#32 0x00007fb879516e9c in x11EventSourceDispatch (s=0x197a260, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#33 0x00007fb87839a12a in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#34 0x00007fb87839d988 in ?? () from /lib/libglib-2.0.so.0
#35 0x00007fb87839db3c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#36 0x00007fb87b51cbff in QEventDispatcherGlib::processEvents (this=0x19761d0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#37 0x00007fb87951664f in QGuiEventDispatcherGlib::processEvents (this=0x7fffe910cfc0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#38 0x00007fb87b4f2de2 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#39 0x00007fb87b4f31b4 in QEventLoop::exec (this=0x7fffe9110660, flags=...) at kernel/qeventloop.cpp:201
#40 0x00007fb87b4f5424 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#41 0x00007fb86f64626b in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#42 0x0000000000407264 in launch (argc=1, _name=0x1904908 "/usr/bin/plasma-desktop", args=<value optimized out>, cwd=0x0, envc=0, envs=0x1904928 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x40a0ff "0") at ../../kinit/kinit.cpp:677
#43 0x0000000000407a28 in handle_launcher_request (sock=8, who=<value optimized out>) at ../../kinit/kinit.cpp:1169
#44 0x0000000000407fae in handle_requests (waitForPid=0) at ../../kinit/kinit.cpp:1362
#45 0x000000000040863b in main (argc=2, argv=0x7fffe91114d8, envp=0x7fffe91114f0) at ../../kinit/kinit.cpp:1793

This bug may be a duplicate of or related to bug 206521

Reported using DrKonqi