Bug 327515

Application: plasma-desktop (4.11.2)
KDE Platform Version: 4.11.2
Qt Version: 4.8.4
Operating System: Linux 3.11.0-13-generic x86_64
Distribution: Ubuntu 13.10

-- Information about the crash:
- What I was doing when the application crashed: I was trying to add the binary clock widget to the taskbar

- Custom settings of the application:
I have the default battery check widget on the taskbar as well as a regular clock

-- 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 0x7f310f5797c0 (LWP 3999))]

Thread 4 (Thread 0x7f30f106f700 (LWP 4006)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f31082d606b in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f31082d60a9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f310291ff6e in start_thread (arg=0x7f30f106f700) at pthread_create.c:311
#4  0x00007f310ef729cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7f30659cf700 (LWP 4011)):
#0  0x00007f310f4c1344 in update_get_addr (ti=<optimized out>) at dl-tls.c:762
#1  0x00007f310b9d1c44 in get_thread_data () at thread/qthread_unix.cpp:182
#2  QThreadData::current () at thread/qthread_unix.cpp:208
#3  0x00007f310baff981 in postEventSourcePrepare (s=0x7f30600012d0, timeout=0x7f30659cebb4) at kernel/qeventdispatcher_glib.cpp:256
#4  0x00007f3102207d4d in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f31022085c3 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f31022087ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f310baffa76 in QEventDispatcherGlib::processEvents (this=0x7f30600008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#8  0x00007f310bad15ef in QEventLoop::processEvents (this=this@entry=0x7f30659ced70, flags=...) at kernel/qeventloop.cpp:149
#9  0x00007f310bad18e5 in QEventLoop::exec (this=this@entry=0x7f30659ced70, flags=...) at kernel/qeventloop.cpp:204
#10 0x00007f310b9d088f in QThread::exec (this=this@entry=0x21b1410) at thread/qthread.cpp:542
#11 0x00007f310bab2d13 in QInotifyFileSystemWatcherEngine::run (this=0x21b1410) at io/qfilesystemwatcher_inotify.cpp:265
#12 0x00007f310b9d2f2f in QThreadPrivate::start (arg=0x21b1410) at thread/qthread_unix.cpp:338
#13 0x00007f310291ff6e in start_thread (arg=0x7f30659cf700) at pthread_create.c:311
#14 0x00007f310ef729cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f305ffff700 (LWP 4012)):
#0  0x00007f3102205b67 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f3102207ceb in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f31022085c3 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f31022087ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f310baffa76 in QEventDispatcherGlib::processEvents (this=0x7f30580008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x00007f310bad15ef in QEventLoop::processEvents (this=this@entry=0x7f305fffed70, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007f310bad18e5 in QEventLoop::exec (this=this@entry=0x7f305fffed70, flags=...) at kernel/qeventloop.cpp:204
#7  0x00007f310b9d088f in QThread::exec (this=this@entry=0x2309750) at thread/qthread.cpp:542
#8  0x00007f310bab2d13 in QInotifyFileSystemWatcherEngine::run (this=0x2309750) at io/qfilesystemwatcher_inotify.cpp:265
#9  0x00007f310b9d2f2f in QThreadPrivate::start (arg=0x2309750) at thread/qthread_unix.cpp:338
#10 0x00007f310291ff6e in start_thread (arg=0x7f305ffff700) at pthread_create.c:311
#11 0x00007f310ef729cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f310f5797c0 (LWP 3999)):
[KCrash Handler]
#6  0x00007f30667fa5bd in DeclarativeMimeData::DeclarativeMimeData (this=0x7fff6fa0dda0, copy=0x5d3e220) at ../../../../plasma/declarativeimports/draganddrop/DeclarativeMimeData.cpp:50
#7  0x00007f30667f9db1 in DeclarativeDragDropEvent::DeclarativeDragDropEvent (this=0x7fff6fa0dd80, e=0x7fff6fa0e1b0, parent=0x1f03a20) at ../../../../plasma/declarativeimports/draganddrop/DeclarativeDragDropEvent.cpp:33
#8  0x00007f30667f9ea4 in DeclarativeDropArea::dragLeaveEvent (this=0x1f03a20, event=<optimized out>) at ../../../../plasma/declarativeimports/draganddrop/DeclarativeDropArea.cpp:44
#9  0x00007f310b412c72 in QGraphicsItem::sceneEvent (this=this@entry=0x1f03a30, event=event@entry=0x7fff6fa0e1b0) at graphicsview/qgraphicsitem.cpp:6721
#10 0x00007f310d6efa54 in QDeclarativeItem::sceneEvent (this=0x1f03a20, event=0x7fff6fa0e1b0) at graphicsitems/qdeclarativeitem.cpp:3049
#11 0x00007f310b439757 in QGraphicsScenePrivate::sendDragDropEvent (this=this@entry=0x16119f0, item=0x1f03a30, dragDropEvent=0x7fff6fa0e1b0) at graphicsview/qgraphicsscene.cpp:1250
#12 0x00007f310b43978f in QGraphicsScene::dragLeaveEvent (this=<optimized out>, event=<optimized out>) at graphicsview/qgraphicsscene.cpp:3738
#13 0x00007f310b44e7c0 in QGraphicsScene::event (this=0x15c6d40, event=0x7fff6fa0e1b0) at graphicsview/qgraphicsscene.cpp:3406
#14 0x00007f310ae69dfc in QApplicationPrivate::notify_helper (this=this@entry=0x1519ff0, receiver=receiver@entry=0x15c6d40, e=e@entry=0x7fff6fa0e1b0) at kernel/qapplication.cpp:4567
#15 0x00007f310ae70470 in QApplication::notify (this=this@entry=0x1513f50, receiver=receiver@entry=0x15c6d40, e=e@entry=0x7fff6fa0e1b0) at kernel/qapplication.cpp:4353
#16 0x00007f310c7a9a6a in KApplication::notify (this=0x1513f50, receiver=0x15c6d40, event=0x7fff6fa0e1b0) at ../../kdeui/kernel/kapplication.cpp:311
#17 0x00007f310bad28bd in QCoreApplication::notifyInternal (this=0x1513f50, receiver=0x15c6d40, event=event@entry=0x7fff6fa0e1b0) at kernel/qcoreapplication.cpp:946
#18 0x00007f310b4666d8 in sendEvent (event=0x7fff6fa0e1b0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#19 QGraphicsView::dragLeaveEvent (this=<optimized out>, event=0x7fff6fa0e5c0) at graphicsview/qgraphicsview.cpp:2990
#20 0x00007f310aeb9087 in QWidget::event (this=this@entry=0x32afaf0, event=event@entry=0x7fff6fa0e5c0) at kernel/qwidget.cpp:8588
#21 0x00007f310b25a5be in QFrame::event (this=0x32afaf0, e=0x7fff6fa0e5c0) at widgets/qframe.cpp:557
#22 0x00007f310b465e09 in QGraphicsView::viewportEvent (this=0x32afaf0, event=0x7fff6fa0e5c0) at graphicsview/qgraphicsview.cpp:2866
#23 0x00007f310bad2a26 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0x1519ff0, receiver=receiver@entry=0x21f5e30, event=event@entry=0x7fff6fa0e5c0) at kernel/qcoreapplication.cpp:1056
#24 0x00007f310ae69ddc in QApplicationPrivate::notify_helper (this=this@entry=0x1519ff0, receiver=receiver@entry=0x21f5e30, e=e@entry=0x7fff6fa0e5c0) at kernel/qapplication.cpp:4563
#25 0x00007f310ae712fe in QApplication::notify (this=this@entry=0x1513f50, receiver=receiver@entry=0x21f5e30, e=e@entry=0x7fff6fa0e5c0) at kernel/qapplication.cpp:4353
#26 0x00007f310c7a9a6a in KApplication::notify (this=0x1513f50, receiver=0x21f5e30, event=0x7fff6fa0e5c0) at ../../kdeui/kernel/kapplication.cpp:311
#27 0x00007f310bad28bd in QCoreApplication::notifyInternal (this=0x1513f50, receiver=0x21f5e30, event=0x7fff6fa0e5c0) at kernel/qcoreapplication.cpp:946
#28 0x00007f310aef150e in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#29 QX11Data::xdndHandleLeave (this=0x7fff6fa0dcf0, w=0x5d3e220, xe=0x7fff6fa0e610) at kernel/qdnd_x11.cpp:1068
#30 0x00007f310aef1650 in qt_xdnd_send_leave () at kernel/qdnd_x11.cpp:1107
#31 0x00007f310aef1a5a in qt_xdnd_send_leave () at kernel/qdnd_x11.cpp:1410
#32 QDragManager::cancel (this=0x46da570, deleteSource=deleteSource@entry=false) at kernel/qdnd_x11.cpp:1411
#33 0x00007f310ae7ab7a in QDrag::~QDrag (this=0x5c7ee10, __in_chrg=<optimized out>) at kernel/qdrag.cpp:132
#34 0x00007f310ae7ab99 in QDrag::~QDrag (this=0x5c7ee10, __in_chrg=<optimized out>) at kernel/qdrag.cpp:133
#35 0x00007f310bae9308 in QObjectPrivate::deleteChildren (this=this@entry=0x51add80) at kernel/qobject.cpp:1907
#36 0x00007f310aeb5b37 in QWidget::~QWidget (this=0x517afd0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1681
#37 0x00007f310aeb5e49 in QWidget::~QWidget (this=0x517afd0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1705
#38 0x00007f310bae9308 in QObjectPrivate::deleteChildren (this=this@entry=0x40e4be0) at kernel/qobject.cpp:1907
#39 0x00007f310aeb5b37 in QWidget::~QWidget (this=0x40f8f50, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1681
#40 0x00007f310b45ff65 in QGraphicsView::~QGraphicsView (this=0x40f8f50, __in_chrg=<optimized out>) at graphicsview/qgraphicsview.cpp:1158
#41 0x00007f310b45ff99 in QGraphicsView::~QGraphicsView (this=0x40f8f50, __in_chrg=<optimized out>) at graphicsview/qgraphicsview.cpp:1164
#42 0x00007f310f26d664 in ControllerWindow::~ControllerWindow (this=0x4264d50, __in_chrg=<optimized out>) at ../../../../plasma/desktop/shell/controllerwindow.cpp:107
#43 0x00007f310f26d6b9 in ControllerWindow::~ControllerWindow (this=0x4264d50, __in_chrg=<optimized out>) at ../../../../plasma/desktop/shell/controllerwindow.cpp:108
#44 0x00007f310baeae08 in QObject::event (this=this@entry=0x4264d50, e=e@entry=0x48d9900) at kernel/qobject.cpp:1175
#45 0x00007f310aeb936b in QWidget::event (this=0x4264d50, event=0x48d9900) at kernel/qwidget.cpp:8845
#46 0x00007f310ae69dfc in QApplicationPrivate::notify_helper (this=this@entry=0x1519ff0, receiver=receiver@entry=0x4264d50, e=e@entry=0x48d9900) at kernel/qapplication.cpp:4567
#47 0x00007f310ae70470 in QApplication::notify (this=this@entry=0x1513f50, receiver=receiver@entry=0x4264d50, e=e@entry=0x48d9900) at kernel/qapplication.cpp:4353
#48 0x00007f310c7a9a6a in KApplication::notify (this=0x1513f50, receiver=0x4264d50, event=0x48d9900) at ../../kdeui/kernel/kapplication.cpp:311
#49 0x00007f310bad28bd in QCoreApplication::notifyInternal (this=0x1513f50, receiver=receiver@entry=0x4264d50, event=event@entry=0x48d9900) at kernel/qcoreapplication.cpp:946
#50 0x00007f310bad5e1f in sendEvent (event=0x48d9900, receiver=0x4264d50) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#51 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x148d1f0) at kernel/qcoreapplication.cpp:1570
#52 0x00007f310bad62c3 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1463
#53 0x00007f310bb00073 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:236
#54 postEventSourceDispatch (s=0x15195b0) at kernel/qeventdispatcher_glib.cpp:279
#55 0x00007f31022083b6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#56 0x00007f3102208708 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#57 0x00007f31022087ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#58 0x00007f310baffa55 in QEventDispatcherGlib::processEvents (this=0x148ead0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#59 0x00007f310af0b9d6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#60 0x00007f310bad15ef in QEventLoop::processEvents (this=this@entry=0x5a69f00, flags=...) at kernel/qeventloop.cpp:149
#61 0x00007f310bad18e5 in QEventLoop::exec (this=this@entry=0x5a69f00, flags=...) at kernel/qeventloop.cpp:204
#62 0x00007f310aef3ebd in QDragManager::drag (this=0x46da570, o=o@entry=0x5c7ee10) at kernel/qdnd_x11.cpp:2032
#63 0x00007f310ae7adda in QDrag::exec (this=this@entry=0x5c7ee10, supportedActions=..., defaultDropAction=Qt::MoveAction) at kernel/qdrag.cpp:284
#64 0x00007f30667f9c68 in DeclarativeDragArea::mouseMoveEvent (this=0x6107dd0, event=<optimized out>) at ../../../../plasma/declarativeimports/draganddrop/DeclarativeDragArea.cpp:233
#65 0x00007f30667f9d21 in DeclarativeDragArea::sceneEventFilter (this=0x6107dd0, item=0x6110480, event=0x7fff6fa0f5c0) at ../../../../plasma/declarativeimports/draganddrop/DeclarativeDragArea.cpp:245
#66 0x00007f310b434fd5 in QGraphicsScenePrivate::filterDescendantEvent (this=this@entry=0x16119f0, item=item@entry=0x6110480, event=event@entry=0x7fff6fa0f5c0) at graphicsview/qgraphicsscene.cpp:1159
#67 0x00007f310b43963e in QGraphicsScenePrivate::sendEvent (this=0x16119f0, item=0x6110480, event=0x7fff6fa0f5c0) at graphicsview/qgraphicsscene.cpp:1211
#68 0x00007f310b439b3f in QGraphicsScenePrivate::sendMouseEvent (this=0x16119f0, mouseEvent=0x7fff6fa0f5c0) at graphicsview/qgraphicsscene.cpp:1295
#69 0x00007f310b4426f6 in QGraphicsScene::mouseMoveEvent (this=<optimized out>, mouseEvent=0x7fff6fa0f5c0) at graphicsview/qgraphicsscene.cpp:4102
#70 0x00007f310b44e62c in QGraphicsScene::event (this=0x15c6d40, event=0x7fff6fa0f5c0) at graphicsview/qgraphicsscene.cpp:3451
#71 0x00007f310ae69dfc in QApplicationPrivate::notify_helper (this=this@entry=0x1519ff0, receiver=receiver@entry=0x15c6d40, e=e@entry=0x7fff6fa0f5c0) at kernel/qapplication.cpp:4567
#72 0x00007f310ae70470 in QApplication::notify (this=this@entry=0x1513f50, receiver=receiver@entry=0x15c6d40, e=e@entry=0x7fff6fa0f5c0) at kernel/qapplication.cpp:4353
#73 0x00007f310c7a9a6a in KApplication::notify (this=0x1513f50, receiver=0x15c6d40, event=0x7fff6fa0f5c0) at ../../kdeui/kernel/kapplication.cpp:311
#74 0x00007f310bad28bd in QCoreApplication::notifyInternal (this=0x1513f50, receiver=0x15c6d40, event=event@entry=0x7fff6fa0f5c0) at kernel/qcoreapplication.cpp:946
#75 0x00007f310ae68526 in sendSpontaneousEvent (event=event@entry=0x7fff6fa0f5c0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#76 qt_sendSpontaneousEvent (receiver=<optimized out>, event=event@entry=0x7fff6fa0f5c0) at kernel/qapplication.cpp:5565
#77 0x00007f310b4638ac in QGraphicsViewPrivate::mouseMoveEventHandler (this=this@entry=0x40e4be0, event=event@entry=0x7fff6fa0fc10) at graphicsview/qgraphicsview.cpp:646
#78 0x00007f310b4647ba in QGraphicsView::mouseMoveEvent (this=0x40f8f50, event=0x7fff6fa0fc10) at graphicsview/qgraphicsview.cpp:3276
#79 0x00007f310aeb9445 in QWidget::event (this=this@entry=0x40f8f50, event=event@entry=0x7fff6fa0fc10) at kernel/qwidget.cpp:8360
#80 0x00007f310b25a5be in QFrame::event (this=0x40f8f50, e=0x7fff6fa0fc10) at widgets/qframe.cpp:557
#81 0x00007f310b465e09 in QGraphicsView::viewportEvent (this=0x40f8f50, event=0x7fff6fa0fc10) at graphicsview/qgraphicsview.cpp:2866
#82 0x00007f310bad2a26 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=this@entry=0x1519ff0, receiver=receiver@entry=0x517afd0, event=event@entry=0x7fff6fa0fc10) at kernel/qcoreapplication.cpp:1056
#83 0x00007f310ae69ddc in QApplicationPrivate::notify_helper (this=this@entry=0x1519ff0, receiver=receiver@entry=0x517afd0, e=e@entry=0x7fff6fa0fc10) at kernel/qapplication.cpp:4563
#84 0x00007f310ae705ad in QApplication::notify (this=this@entry=0x1513f50, receiver=receiver@entry=0x517afd0, e=e@entry=0x7fff6fa0fc10) at kernel/qapplication.cpp:4110
#85 0x00007f310c7a9a6a in KApplication::notify (this=0x1513f50, receiver=0x517afd0, event=0x7fff6fa0fc10) at ../../kdeui/kernel/kapplication.cpp:311
#86 0x00007f310bad28bd in QCoreApplication::notifyInternal (this=0x1513f50, receiver=receiver@entry=0x517afd0, event=event@entry=0x7fff6fa0fc10) at kernel/qcoreapplication.cpp:946
#87 0x00007f310ae6fd63 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#88 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x517afd0, event=event@entry=0x7fff6fa0fc10, alienWidget=alienWidget@entry=0x517afd0, nativeWidget=nativeWidget@entry=0x4264d50, buttonDown=buttonDown@entry=0x7f310b94e2f8 <qt_button_down>, lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:3178
#89 0x00007f310aee47db in QETWidget::translateMouseEvent (this=this@entry=0x4264d50, event=event@entry=0x7fff6fa0ff90) at kernel/qapplication_x11.cpp:4631
#90 0x00007f310aee4079 in QApplication::x11ProcessEvent (this=0x1513f50, event=event@entry=0x7fff6fa0ff90) at kernel/qapplication_x11.cpp:3624
#91 0x00007f310af0b922 in x11EventSourceDispatch (s=0x151a5c0, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#92 0x00007f31022083b6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#93 0x00007f3102208708 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#94 0x00007f31022087ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#95 0x00007f310baffa55 in QEventDispatcherGlib::processEvents (this=0x148ead0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#96 0x00007f310af0b9d6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#97 0x00007f310bad15ef in QEventLoop::processEvents (this=this@entry=0x7fff6fa10370, flags=...) at kernel/qeventloop.cpp:149
#98 0x00007f310bad18e5 in QEventLoop::exec (this=this@entry=0x7fff6fa10370, flags=...) at kernel/qeventloop.cpp:204
#99 0x00007f310bad6e5b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1218
#100 0x00007f310ae6834c in QApplication::exec () at kernel/qapplication.cpp:3828
#101 0x00007f310f27c27c in kdemain (argc=1, argv=0x7fff6fa105c8) at ../../../../plasma/desktop/shell/main.cpp:126
#102 0x00007f310ee99de5 in __libc_start_main (main=0x4006e0 <main(int, char**)>, argc=1, ubp_av=0x7fff6fa105c8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff6fa105b8) at libc-start.c:260
#103 0x000000000040070e in _start ()

The reporter indicates this bug may be a duplicate of or related to bug 326140.

Possible duplicates by query: bug 327347, bug 326694, bug 326339, bug 326140, bug 320682.

Reported using DrKonqi