Bug 319686

Application: plasma-desktop (0.4)
KDE Platform Version: 4.10.2
Qt Version: 4.8.4
Operating System: Linux 3.8.0-19-generic x86_64
Distribution: Ubuntu 13.04

-- Information about the crash:
- What I was doing when the application crashed:
I currently have nine icons in three rows in quicklauncher.  I wanted to re-arrange the order of the icons.  I tried to drag an icon from the bottom row to the top row.

-- 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 0x7fdb7acb97c0 (LWP 1840))]

Thread 4 (Thread 0x7fdb56601700 (LWP 1845)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fdb739dae77 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007fdb739daea9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007fdb6b170764 in ?? () from /usr/lib/nvidia-304/libGL.so.1
#4  0x00007fdb6e0d5f8e in start_thread (arg=0x7fdb56601700) at pthread_create.c:311
#5  0x00007fdb7a597e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7fdb48b47700 (LWP 1848)):
#0  0x00007fdb7a58b3cd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fdb6d9d31dc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdb6d9d3304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdb77177036 in QEventDispatcherGlib::processEvents (this=0x7fdb440008f0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fdb7714738f in QEventLoop::processEvents (this=this@entry=0x7fdb48b46cd0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fdb77147618 in QEventLoop::exec (this=this@entry=0x7fdb48b46cd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fdb77049410 in QThread::exec (this=this@entry=0x2e82c40) at thread/qthread.cpp:542
#7  0x00007fdb77128edf in QInotifyFileSystemWatcherEngine::run (this=0x2e82c40) at io/qfilesystemwatcher_inotify.cpp:256
#8  0x00007fdb7704bbec in QThreadPrivate::start (arg=0x2e82c40) at thread/qthread_unix.cpp:338
#9  0x00007fdb6b170764 in ?? () from /usr/lib/nvidia-304/libGL.so.1
#10 0x00007fdb6e0d5f8e in start_thread (arg=0x7fdb48b47700) at pthread_create.c:311
#11 0x00007fdb7a597e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7fdb43b71700 (LWP 1849)):
#0  0x00007fdb7a58b3cd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fdb6d9d31dc in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdb6d9d3304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdb77177036 in QEventDispatcherGlib::processEvents (this=0x7fdb3c0008f0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fdb7714738f in QEventLoop::processEvents (this=this@entry=0x7fdb43b70cd0, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fdb77147618 in QEventLoop::exec (this=this@entry=0x7fdb43b70cd0, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007fdb77049410 in QThread::exec (this=this@entry=0x3012990) at thread/qthread.cpp:542
#7  0x00007fdb77128edf in QInotifyFileSystemWatcherEngine::run (this=0x3012990) at io/qfilesystemwatcher_inotify.cpp:256
#8  0x00007fdb7704bbec in QThreadPrivate::start (arg=0x3012990) at thread/qthread_unix.cpp:338
#9  0x00007fdb6b170764 in ?? () from /usr/lib/nvidia-304/libGL.so.1
#10 0x00007fdb6e0d5f8e in start_thread (arg=0x7fdb43b71700) at pthread_create.c:311
#11 0x00007fdb7a597e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7fdb7acb97c0 (LWP 1840)):
[KCrash Handler]
#6  QGraphicsLayoutItem::geometry (this=0xb0) at graphicsview/qgraphicslayoutitem.cpp:802
#7  0x00007fdb56e703ae in determineDropMarkerIndex (localPos=..., this=<optimized out>) at ../../../../../plasma/generic/applets/quicklaunch/launchergrid.cpp:528
#8  Quicklaunch::LauncherGrid::determineDropMarkerIndex (this=0x2763f40, localPos=...) at ../../../../../plasma/generic/applets/quicklaunch/launchergrid.cpp:517
#9  0x00007fdb56e70468 in Quicklaunch::LauncherGrid::dragMoveEvent (this=0x2763f40, event=<optimized out>) at ../../../../../plasma/generic/applets/quicklaunch/launchergrid.cpp:436
#10 0x00007fdb76aaddb5 in QGraphicsItem::sceneEvent (this=0x2763f50, event=0x7fffd5ed48b0) at graphicsview/qgraphicsitem.cpp:6718
#11 0x00007fdb76ad857c in QGraphicsScenePrivate::sendDragDropEvent (this=this@entry=0x1c31580, item=item@entry=0x2763f50, dragDropEvent=dragDropEvent@entry=0x7fffd5ed48b0) at graphicsview/qgraphicsscene.cpp:1250
#12 0x00007fdb76ae6655 in QGraphicsScene::dragMoveEvent (this=<optimized out>, event=0x7fffd5ed48b0) at graphicsview/qgraphicsscene.cpp:3706
#13 0x00007fdb76aec231 in QGraphicsScene::event (this=0x1c32ea0, event=0x7fffd5ed48b0) at graphicsview/qgraphicsscene.cpp:3403
#14 0x00007fdb764ee8ec in QApplicationPrivate::notify_helper (this=this@entry=0x1ab76f0, receiver=receiver@entry=0x1c32ea0, e=e@entry=0x7fffd5ed48b0) at kernel/qapplication.cpp:4567
#15 0x00007fdb764f125b in QApplication::notify (this=this@entry=0x1a625d0, receiver=receiver@entry=0x1c32ea0, e=e@entry=0x7fffd5ed48b0) at kernel/qapplication.cpp:4428
#16 0x00007fdb77e0caf6 in KApplication::notify (this=0x1a625d0, receiver=0x1c32ea0, event=0x7fffd5ed48b0) at ../../kdeui/kernel/kapplication.cpp:311
#17 0x00007fdb7714863e in QCoreApplication::notifyInternal (this=0x1a625d0, receiver=0x1c32ea0, event=event@entry=0x7fffd5ed48b0) at kernel/qcoreapplication.cpp:946
#18 0x00007fdb76b05638 in sendEvent (event=0x7fffd5ed48b0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#19 QGraphicsView::dragMoveEvent (this=<optimized out>, event=0x7fffd5ed5140) at graphicsview/qgraphicsview.cpp:3018
#20 0x00007fdb7653bc0a in QWidget::event (this=this@entry=0x384a400, event=event@entry=0x7fffd5ed5140) at kernel/qwidget.cpp:8584
#21 0x00007fdb768ee316 in QFrame::event (this=0x384a400, e=0x7fffd5ed5140) at widgets/qframe.cpp:557
#22 0x00007fdb76b060db in QGraphicsView::viewportEvent (this=0x384a400, event=0x7fffd5ed5140) at graphicsview/qgraphicsview.cpp:2866
#23 0x00007fdb771487a6 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0x1ab76f0, receiver=receiver@entry=0x37a90e0, event=event@entry=0x7fffd5ed5140) at kernel/qcoreapplication.cpp:1056
#24 0x00007fdb764ee8bc in QApplicationPrivate::notify_helper (this=this@entry=0x1ab76f0, receiver=receiver@entry=0x37a90e0, e=e@entry=0x7fffd5ed5140) at kernel/qapplication.cpp:4563
#25 0x00007fdb764f1b7c in QApplication::notify (this=this@entry=0x1a625d0, receiver=receiver@entry=0x37a90e0, e=e@entry=0x7fffd5ed5140) at kernel/qapplication.cpp:4353
#26 0x00007fdb77e0caf6 in KApplication::notify (this=0x1a625d0, receiver=0x37a90e0, event=0x7fffd5ed5140) at ../../kdeui/kernel/kapplication.cpp:311
#27 0x00007fdb7714863e in QCoreApplication::notifyInternal (this=0x1a625d0, receiver=receiver@entry=0x37a90e0, event=event@entry=0x7fffd5ed5140) at kernel/qcoreapplication.cpp:946
#28 0x00007fdb7657a335 in sendEvent (event=0x7fffd5ed5140, receiver=0x37a90e0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#29 handle_xdnd_position (w=w@entry=0x384a400, xe=xe@entry=0x7fffd5ed5410, passive=passive@entry=false) at kernel/qdnd_x11.cpp:938
#30 0x00007fdb7657b028 in QDragManager::move (this=this@entry=0x5ed2960, globalPos=...) at kernel/qdnd_x11.cpp:1708
#31 0x00007fdb7657b541 in QDragManager::drag (this=0x5ed2960, o=o@entry=0x393d890) at kernel/qdnd_x11.cpp:2023
#32 0x00007fdb76500528 in QDrag::exec (this=0x393d890, supportedActions=..., defaultDropAction=defaultDropAction@entry=Qt::IgnoreAction) at kernel/qdrag.cpp:284
#33 0x00007fdb765005e3 in QDrag::exec (this=<optimized out>, supportedActions=...) at kernel/qdrag.cpp:239
#34 0x00007fdb56e71398 in Quicklaunch::LauncherGrid::eventFilter (this=0x2763f40, watched=<optimized out>, event=<optimized out>) at ../../../../../plasma/generic/applets/quicklaunch/launchergrid.cpp:352
#35 0x00007fdb771487a6 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0x1ab76f0, receiver=receiver@entry=0x27b76e0, event=event@entry=0x7fffd5ed6310) at kernel/qcoreapplication.cpp:1056
#36 0x00007fdb764ee8bc in QApplicationPrivate::notify_helper (this=this@entry=0x1ab76f0, receiver=receiver@entry=0x27b76e0, e=e@entry=0x7fffd5ed6310) at kernel/qapplication.cpp:4563
#37 0x00007fdb764f125b in QApplication::notify (this=this@entry=0x1a625d0, receiver=receiver@entry=0x27b76e0, e=e@entry=0x7fffd5ed6310) at kernel/qapplication.cpp:4428
#38 0x00007fdb77e0caf6 in KApplication::notify (this=0x1a625d0, receiver=0x27b76e0, event=0x7fffd5ed6310) at ../../kdeui/kernel/kapplication.cpp:311
#39 0x00007fdb7714863e in QCoreApplication::notifyInternal (this=0x1a625d0, receiver=0x27b76e0, event=event@entry=0x7fffd5ed6310) at kernel/qcoreapplication.cpp:946
#40 0x00007fdb764ed226 in sendSpontaneousEvent (event=event@entry=0x7fffd5ed6310, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#41 qt_sendSpontaneousEvent (receiver=<optimized out>, event=event@entry=0x7fffd5ed6310) at kernel/qapplication.cpp:5565
#42 0x00007fdb76ad78eb in sendEvent (event=0x7fffd5ed6310, item=0x27b76f0, this=<optimized out>) at graphicsview/qgraphicsscene.cpp:1217
#43 QGraphicsScenePrivate::sendEvent (this=<optimized out>, item=0x27b76f0, event=0x7fffd5ed6310) at graphicsview/qgraphicsscene.cpp:1197
#44 0x00007fdb76ad84d0 in sendMouseEvent (mouseEvent=0x7fffd5ed6310, this=0x1c31580) at graphicsview/qgraphicsscene.cpp:1295
#45 QGraphicsScenePrivate::sendMouseEvent (this=0x1c31580, mouseEvent=0x7fffd5ed6310) at graphicsview/qgraphicsscene.cpp:1274
#46 0x00007fdb76ae0d7c in QGraphicsScene::mouseMoveEvent (this=<optimized out>, mouseEvent=0x7fffd5ed6310) at graphicsview/qgraphicsscene.cpp:4102
#47 0x00007fdb76aec300 in QGraphicsScene::event (this=0x1c32ea0, event=0x7fffd5ed6310) at graphicsview/qgraphicsscene.cpp:3451
#48 0x00007fdb764ee8ec in QApplicationPrivate::notify_helper (this=this@entry=0x1ab76f0, receiver=receiver@entry=0x1c32ea0, e=e@entry=0x7fffd5ed6310) at kernel/qapplication.cpp:4567
#49 0x00007fdb764f125b in QApplication::notify (this=this@entry=0x1a625d0, receiver=receiver@entry=0x1c32ea0, e=e@entry=0x7fffd5ed6310) at kernel/qapplication.cpp:4428
#50 0x00007fdb77e0caf6 in KApplication::notify (this=0x1a625d0, receiver=0x1c32ea0, event=0x7fffd5ed6310) at ../../kdeui/kernel/kapplication.cpp:311
#51 0x00007fdb7714863e in QCoreApplication::notifyInternal (this=0x1a625d0, receiver=0x1c32ea0, event=0x7fffd5ed6310, event@entry=0x7fffd5ed6240) at kernel/qcoreapplication.cpp:946
#52 0x00007fdb764ed226 in sendSpontaneousEvent (event=event@entry=0x7fffd5ed6240, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#53 qt_sendSpontaneousEvent (receiver=<optimized out>, event=event@entry=0x7fffd5ed6310) at kernel/qapplication.cpp:5565
#54 0x00007fdb76b03ef4 in QGraphicsViewPrivate::mouseMoveEventHandler (this=this@entry=0x3808b80, event=event@entry=0x7fffd5ed6d40) at graphicsview/qgraphicsview.cpp:646
#55 0x00007fdb76b0427e in QGraphicsView::mouseMoveEvent (this=0x384a400, event=0x7fffd5ed6d40) at graphicsview/qgraphicsview.cpp:3276
#56 0x00007fdb7653babb in QWidget::event (this=this@entry=0x384a400, event=event@entry=0x7fffd5ed6d40) at kernel/qwidget.cpp:8360
#57 0x00007fdb768ee316 in QFrame::event (this=0x384a400, e=0x7fffd5ed6d40) at widgets/qframe.cpp:557
#58 0x00007fdb76b060db in QGraphicsView::viewportEvent (this=0x384a400, event=0x7fffd5ed6d40) at graphicsview/qgraphicsview.cpp:2866
#59 0x00007fdb771487a6 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0x1ab76f0, receiver=receiver@entry=0x37a90e0, event=event@entry=0x7fffd5ed6d40) at kernel/qcoreapplication.cpp:1056
#60 0x00007fdb764ee8bc in QApplicationPrivate::notify_helper (this=this@entry=0x1ab76f0, receiver=receiver@entry=0x37a90e0, e=e@entry=0x7fffd5ed6d40) at kernel/qapplication.cpp:4563
#61 0x00007fdb764f1a33 in QApplication::notify (this=this@entry=0x1a625d0, receiver=receiver@entry=0x37a90e0, e=e@entry=0x7fffd5ed6d40) at kernel/qapplication.cpp:4110
#62 0x00007fdb77e0caf6 in KApplication::notify (this=0x1a625d0, receiver=0x37a90e0, event=0x7fffd5ed6d40) at ../../kdeui/kernel/kapplication.cpp:311
#63 0x00007fdb7714863e in QCoreApplication::notifyInternal (this=0x1a625d0, receiver=receiver@entry=0x37a90e0, event=event@entry=0x7fffd5ed6d40) at kernel/qcoreapplication.cpp:946
#64 0x00007fdb764f4933 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#65 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x37a90e0, event=event@entry=0x7fffd5ed6d40, alienWidget=alienWidget@entry=0x37a90e0, nativeWidget=nativeWidget@entry=0x384a400, buttonDown=buttonDown@entry=0x7fdb76fcc308 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3178
#66 0x00007fdb76569ec4 in QETWidget::translateMouseEvent (this=this@entry=0x384a400, event=event@entry=0x7fffd5ed74c0) at kernel/qapplication_x11.cpp:4631
#67 0x00007fdb76568ef1 in QApplication::x11ProcessEvent (this=0x1a625d0, event=event@entry=0x7fffd5ed74c0) at kernel/qapplication_x11.cpp:3746
#68 0x00007fdb765940b2 in x11EventSourceDispatch (s=0x1ab9800, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#69 0x00007fdb6d9d2f05 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#70 0x00007fdb6d9d3248 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#71 0x00007fdb6d9d3304 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#72 0x00007fdb77177016 in QEventDispatcherGlib::processEvents (this=0x19abad0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#73 0x00007fdb765941ae in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#74 0x00007fdb7714738f in QEventLoop::processEvents (this=this@entry=0x7fffd5ed7890, flags=...) at kernel/qeventloop.cpp:149
#75 0x00007fdb77147618 in QEventLoop::exec (this=this@entry=0x7fffd5ed7890, flags=...) at kernel/qeventloop.cpp:204
#76 0x00007fdb7714ccf6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#77 0x00007fdb764ecffc in QApplication::exec () at kernel/qapplication.cpp:3828
#78 0x00007fdb7a8a346b in kdemain (argc=1, argv=0x7fffd5ed7b88) at ../../../../plasma/desktop/shell/main.cpp:126
#79 0x00007fdb7a4bfea5 in __libc_start_main (main=0x4006e0 <main(int, char**)>, argc=1, ubp_av=0x7fffd5ed7b88, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffd5ed7b78) at libc-start.c:260
#80 0x0000000000400711 in _start ()

This bug may be a duplicate of or related to bug 311366.

Possible duplicates by query: bug 311366.

Reported using DrKonqi