Application: plasma-desktop (0.4)
KDE Platform Version: 4.9.4
Qt Version: 4.8.2
Operating System: Linux 3.2.0-32-generic x86_64
Distribution: Linux Mint 13 Maya

-- Information about the crash:
- What I was doing when the application crashed: I was attempting to add the KDE launcher to the panel at the bottom of the screen. the mouse pointer changed to a red "no" icon and the panel became unresponsive and eventually restarted.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f388e096780 (LWP 2082))]

Thread 4 (Thread 0x7f38716c2700 (LWP 2087)):
#0  0x00007f388d972303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f38814df036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f38814df49a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f387714a406 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f38815009e5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f3881bdbe9a in start_thread (arg=0x7f38716c2700) at pthread_create.c:308
#6  0x00007f388d97dcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f3852263700 (LWP 2091)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f388735b222 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f388735b259 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f3881bdbe9a in start_thread (arg=0x7f3852263700) at pthread_create.c:308
#4  0x00007f388d97dcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f3850fe0700 (LWP 2092)):
#0  0x00007f388d972303 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f38814df036 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f38814df164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f388a5a8906 in QEventDispatcherGlib::processEvents (this=0x7f384c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f388a577e42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f388a578097 in QEventLoop::exec (this=0x7f3850fdfdd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f388a477057 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f388a557b4f in QInotifyFileSystemWatcherEngine::run (this=0x273f610) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f388a47a07b in QThreadPrivate::start (arg=0x273f610) at thread/qthread_unix.cpp:307
#9  0x00007f3881bdbe9a in start_thread (arg=0x7f3850fe0700) at pthread_create.c:308
#10 0x00007f388d97dcbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f388e096780 (LWP 2082)):
[KCrash Handler]
#6  isSignalConnected (signal_index=31, this=0x0) at kernel/qobject_p.h:229
#7  QMetaObject::activate (sender=0x4f8c100, m=<optimized out>, local_signal_index=6, argv=0x7fff45a57910) at kernel/qobject.cpp:3456
#8  0x00007f38484953f1 in DeclarativeDragArea::drop (this=<optimized out>, _t1=0) at moc_DeclarativeDragArea.cpp:234
#9  0x00007f3848497966 in DeclarativeDragArea::mouseMoveEvent (this=0x4f8c100, event=<optimized out>) at ../../../../plasma/declarativeimports/draganddrop/DeclarativeDragArea.cpp:234
#10 0x00007f3848497a39 in DeclarativeDragArea::sceneEventFilter (this=0x4f8c100, item=0x4f951c0, event=<optimized out>) at ../../../../plasma/declarativeimports/draganddrop/DeclarativeDragArea.cpp:245
#11 0x00007f3889f022b5 in QGraphicsScenePrivate::filterDescendantEvent (this=<optimized out>, item=0x4f951c0, event=0x7fff45a582e0) at graphicsview/qgraphicsscene.cpp:1159
#12 0x00007f3889f087be in QGraphicsScenePrivate::sendEvent (this=0x1ab0770, item=0x4f951c0, event=0x7fff45a582e0) at graphicsview/qgraphicsscene.cpp:1211
#13 0x00007f3889f0940a in QGraphicsScenePrivate::sendMouseEvent (this=0x1ab0770, mouseEvent=0x7fff45a582e0) at graphicsview/qgraphicsscene.cpp:1295
#14 0x00007f3889f09f3c in QGraphicsScene::mouseMoveEvent (this=<optimized out>, mouseEvent=0x7fff45a582e0) at graphicsview/qgraphicsscene.cpp:4102
#15 0x00007f3889f17fbb in QGraphicsScene::event (this=0x1aec230, event=0x7fff45a582e0) at graphicsview/qgraphicsscene.cpp:3451
#16 0x00007f38898fa7b4 in notify_helper (e=0x7fff45a582e0, receiver=0x1aec230, this=0x1746eb0) at kernel/qapplication.cpp:4556
#17 QApplicationPrivate::notify_helper (this=0x1746eb0, receiver=0x1aec230, e=0x7fff45a582e0) at kernel/qapplication.cpp:4528
#18 0x00007f38898ff583 in QApplication::notify (this=0x1706540, receiver=0x1aec230, e=0x7fff45a582e0) at kernel/qapplication.cpp:4417
#19 0x00007f388b25d786 in KApplication::notify (this=0x1706540, receiver=0x1aec230, event=0x7fff45a582e0) at ../../kdeui/kernel/kapplication.cpp:311
#20 0x00007f388a57930c in QCoreApplication::notifyInternal (this=0x1706540, receiver=0x1aec230, event=0x7fff45a582e0) at kernel/qcoreapplication.cpp:915
#21 0x00007f3889f31ee9 in QGraphicsViewPrivate::mouseMoveEventHandler (this=0x45cc6e0, event=0x7fff45a58df0) at graphicsview/qgraphicsview.cpp:646
#22 0x00007f3889f3211e in QGraphicsView::mouseMoveEvent (this=0x4336030, event=0x7fff45a58df0) at graphicsview/qgraphicsview.cpp:3276
#23 0x00007f388994afe8 in QWidget::event (this=0x4336030, event=0x7fff45a58df0) at kernel/qwidget.cpp:8356
#24 0x00007f3889d0b836 in QFrame::event (this=0x4336030, e=0x7fff45a58df0) at widgets/qframe.cpp:557
#25 0x00007f3889f362eb in QGraphicsView::viewportEvent (this=0x4336030, event=0x7fff45a58df0) at graphicsview/qgraphicsview.cpp:2866
#26 0x00007f388a579498 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x45aed80, event=0x7fff45a58df0) at kernel/qcoreapplication.cpp:1025
#27 0x00007f38898fa77f in notify_helper (e=0x7fff45a58df0, receiver=0x45aed80, this=0x1746eb0) at kernel/qapplication.cpp:4552
#28 QApplicationPrivate::notify_helper (this=0x1746eb0, receiver=0x45aed80, e=0x7fff45a58df0) at kernel/qapplication.cpp:4528
#29 0x00007f38898fff2f in QApplication::notify (this=<optimized out>, receiver=0x45aed80, e=0x7fff45a58df0) at kernel/qapplication.cpp:4099
#30 0x00007f388b25d786 in KApplication::notify (this=0x1706540, receiver=0x45aed80, event=0x7fff45a58df0) at ../../kdeui/kernel/kapplication.cpp:311
#31 0x00007f388a57930c in QCoreApplication::notifyInternal (this=0x1706540, receiver=0x45aed80, event=0x7fff45a58df0) at kernel/qcoreapplication.cpp:915
#32 0x00007f38898fb782 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#33 QApplicationPrivate::sendMouseEvent (receiver=0x45aed80, event=0x7fff45a58df0, alienWidget=0x45aed80, nativeWidget=0x4823dd0, buttonDown=0x45aed80, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3167
#34 0x00007f388997ab15 in QETWidget::translateMouseEvent (this=0x4823dd0, event=<optimized out>) at kernel/qapplication_x11.cpp:4617
#35 0x00007f3889979ace in QApplication::x11ProcessEvent (this=0x1706540, event=0x7fff45a596c0) at kernel/qapplication_x11.cpp:3732
#36 0x00007f38899a3052 in x11EventSourceDispatch (s=0x174c210, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#37 0x00007f38814ded53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007f38814df0a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007f38814df164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007f388a5a889f in QEventDispatcherGlib::processEvents (this=0x16d5ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#41 0x00007f38899a2cde in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#42 0x00007f388a577e42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#43 0x00007f388a578097 in QEventLoop::exec (this=0x3ea8ff0, flags=...) at kernel/qeventloop.cpp:204
#44 0x00007f3889989103 in QDragManager::drag (this=0x48f5390, o=<optimized out>) at kernel/qdnd_x11.cpp:2024
#45 0x00007f388990c368 in QDrag::exec (this=0x4bd4ae0, supportedActions=..., defaultDropAction=Qt::MoveAction) at kernel/qdrag.cpp:284
#46 0x00007f384849795c in DeclarativeDragArea::mouseMoveEvent (this=0x4b5c2b0, event=<optimized out>) at ../../../../plasma/declarativeimports/draganddrop/DeclarativeDragArea.cpp:233
#47 0x00007f3848497a39 in DeclarativeDragArea::sceneEventFilter (this=0x4b5c2b0, item=0x4b65320, event=<optimized out>) at ../../../../plasma/declarativeimports/draganddrop/DeclarativeDragArea.cpp:245
#48 0x00007f3889f022b5 in QGraphicsScenePrivate::filterDescendantEvent (this=<optimized out>, item=0x4b65320, event=0x7fff45a5a5a0) at graphicsview/qgraphicsscene.cpp:1159
#49 0x00007f3889f087be in QGraphicsScenePrivate::sendEvent (this=0x1ab0770, item=0x4b65320, event=0x7fff45a5a5a0) at graphicsview/qgraphicsscene.cpp:1211
#50 0x00007f3889f0940a in QGraphicsScenePrivate::sendMouseEvent (this=0x1ab0770, mouseEvent=0x7fff45a5a5a0) at graphicsview/qgraphicsscene.cpp:1295
#51 0x00007f3889f09f3c in QGraphicsScene::mouseMoveEvent (this=<optimized out>, mouseEvent=0x7fff45a5a5a0) at graphicsview/qgraphicsscene.cpp:4102
#52 0x00007f3889f17fbb in QGraphicsScene::event (this=0x1aec230, event=0x7fff45a5a5a0) at graphicsview/qgraphicsscene.cpp:3451
#53 0x00007f38898fa7b4 in notify_helper (e=0x7fff45a5a5a0, receiver=0x1aec230, this=0x1746eb0) at kernel/qapplication.cpp:4556
#54 QApplicationPrivate::notify_helper (this=0x1746eb0, receiver=0x1aec230, e=0x7fff45a5a5a0) at kernel/qapplication.cpp:4528
#55 0x00007f38898ff583 in QApplication::notify (this=0x1706540, receiver=0x1aec230, e=0x7fff45a5a5a0) at kernel/qapplication.cpp:4417
#56 0x00007f388b25d786 in KApplication::notify (this=0x1706540, receiver=0x1aec230, event=0x7fff45a5a5a0) at ../../kdeui/kernel/kapplication.cpp:311
#57 0x00007f388a57930c in QCoreApplication::notifyInternal (this=0x1706540, receiver=0x1aec230, event=0x7fff45a5a5a0) at kernel/qcoreapplication.cpp:915
#58 0x00007f3889f31ee9 in QGraphicsViewPrivate::mouseMoveEventHandler (this=0x3fbf500, event=0x7fff45a5b0b0) at graphicsview/qgraphicsview.cpp:646
#59 0x00007f3889f3211e in QGraphicsView::mouseMoveEvent (this=0x3e90490, event=0x7fff45a5b0b0) at graphicsview/qgraphicsview.cpp:3276
#60 0x00007f388994afe8 in QWidget::event (this=0x3e90490, event=0x7fff45a5b0b0) at kernel/qwidget.cpp:8356
#61 0x00007f3889d0b836 in QFrame::event (this=0x3e90490, e=0x7fff45a5b0b0) at widgets/qframe.cpp:557
#62 0x00007f3889f362eb in QGraphicsView::viewportEvent (this=0x3e90490, event=0x7fff45a5b0b0) at graphicsview/qgraphicsview.cpp:2866
#63 0x00007f388a579498 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x3fab730, event=0x7fff45a5b0b0) at kernel/qcoreapplication.cpp:1025
#64 0x00007f38898fa77f in notify_helper (e=0x7fff45a5b0b0, receiver=0x3fab730, this=0x1746eb0) at kernel/qapplication.cpp:4552
#65 QApplicationPrivate::notify_helper (this=0x1746eb0, receiver=0x3fab730, e=0x7fff45a5b0b0) at kernel/qapplication.cpp:4528
#66 0x00007f38898fff2f in QApplication::notify (this=<optimized out>, receiver=0x3fab730, e=0x7fff45a5b0b0) at kernel/qapplication.cpp:4099
#67 0x00007f388b25d786 in KApplication::notify (this=0x1706540, receiver=0x3fab730, event=0x7fff45a5b0b0) at ../../kdeui/kernel/kapplication.cpp:311
#68 0x00007f388a57930c in QCoreApplication::notifyInternal (this=0x1706540, receiver=0x3fab730, event=0x7fff45a5b0b0) at kernel/qcoreapplication.cpp:915
#69 0x00007f38898fb782 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#70 QApplicationPrivate::sendMouseEvent (receiver=0x3fab730, event=0x7fff45a5b0b0, alienWidget=0x3fab730, nativeWidget=0x3b30210, buttonDown=0x3fab730, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3167
#71 0x00007f388997ab15 in QETWidget::translateMouseEvent (this=0x3b30210, event=<optimized out>) at kernel/qapplication_x11.cpp:4617
#72 0x00007f3889979ace in QApplication::x11ProcessEvent (this=0x1706540, event=0x7fff45a5b980) at kernel/qapplication_x11.cpp:3732
#73 0x00007f38899a3052 in x11EventSourceDispatch (s=0x174c210, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#74 0x00007f38814ded53 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#75 0x00007f38814df0a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#76 0x00007f38814df164 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#77 0x00007f388a5a889f in QEventDispatcherGlib::processEvents (this=0x16d5ad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#78 0x00007f38899a2cde in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#79 0x00007f388a577e42 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#80 0x00007f388a578097 in QEventLoop::exec (this=0x7fff45a5bd20, flags=...) at kernel/qeventloop.cpp:204
#81 0x00007f388a57d3e7 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1187
#82 0x00007f388dc84be3 in kdemain (argc=1, argv=0x7fff45a5c108) at ../../../../plasma/desktop/shell/main.cpp:120
#83 0x00007f388d8ab76d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff45a5c108, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff45a5c0f8) at libc-start.c:226
#84 0x0000000000400671 in _start ()

This bug may be a duplicate of or related to bug 310523.

Possible duplicates by query: bug 310523, bug 307660, bug 307487.

Reported using DrKonqi