Bug 343163

Summary: plasma desktop crashes on widget drag
Product: [Plasma] plasma4 Reporter: matthias sweertvaegher <matthias.sweertvaegher>
Component: generalAssignee: Plasma Bugs List <plasma-bugs>
Status: RESOLVED DUPLICATE    
Severity: crash Keywords: drkonqi
Priority: NOR    
Version: unspecified   
Target Milestone: ---   
Platform: openSUSE   
OS: Linux   
Latest Commit: Version Fixed In:

Description matthias sweertvaegher 2015-01-22 18:48:31 UTC
Application: plasma-desktop (4.11.14)
KDE Platform Version: 4.14.3
Qt Version: 4.8.6
Operating System: Linux 3.16.7-7-desktop x86_64
Distribution: "openSUSE 13.2 (Harlequin) (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:
1 clicked add widget to panel
2 typed "virtual" for desktop selector widget
3 clicked and dragged the widget to the panel, first a little bit on task switcher widget because i wanted to locate the widget next to it
4 plasma crashes (imo before i released the mouse, so during drag)

I tried installing additional devel rpms but failed to fill in the empty spaces around libdraganddrop

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f5e3305a780 (LWP 1369))]

Thread 3 (Thread 0x7f5e07005700 (LWP 1372)):
#0  0x00007f5e3191805f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f5e241a88cb in  () at /usr/lib64/libQtScript.so.4
#2  0x00007f5e241a8909 in  () at /usr/lib64/libQtScript.so.4
#3  0x00007f5e319140a4 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f5e306807fd in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f5d7f99c700 (LWP 1375)):
#0  0x00007f5e306783cd in poll () at /lib64/libc.so.6
#1  0x00007f5e2d78abe4 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f5e2d78acec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f5e31cd90de in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#4  0x00007f5e31caae6f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#5  0x00007f5e31cab165 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#6  0x00007f5e31ba80bf in QThread::exec() () at /usr/lib64/libQtCore.so.4
#7  0x00007f5e31c8c783 in  () at /usr/lib64/libQtCore.so.4
#8  0x00007f5e31baa79f in  () at /usr/lib64/libQtCore.so.4
#9  0x00007f5e319140a4 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f5e306807fd in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f5e3305a780 (LWP 1369)):
[KCrash Handler]
#5  0x0000000000000000 in  ()
#6  0x00007f5e05c05a80 in  () at /usr/lib64/kde4/imports/org/kde/draganddrop/libdraganddropplugin.so
#7  0x00007f5e05c05411 in  () at /usr/lib64/kde4/imports/org/kde/draganddrop/libdraganddropplugin.so
#8  0x00007f5e05c05504 in  () at /usr/lib64/kde4/imports/org/kde/draganddrop/libdraganddropplugin.so
#9  0x00007f5e313ccdc2 in QGraphicsItem::sceneEvent(QEvent*) () at /usr/lib64/libQtGui.so.4
#10 0x00007f5e23988364 in QDeclarativeItem::sceneEvent(QEvent*) () at /usr/lib64/libQtDeclarative.so.4
#11 0x00007f5e313f37b7 in  () at /usr/lib64/libQtGui.so.4
#12 0x00007f5e313f37ef in QGraphicsScene::dragLeaveEvent(QGraphicsSceneDragDropEvent*) () at /usr/lib64/libQtGui.so.4
#13 0x00007f5e31408e80 in QGraphicsScene::event(QEvent*) () at /usr/lib64/libQtGui.so.4
#14 0x00007f5e30e2876c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#15 0x00007f5e30e2ecad in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#16 0x00007f5e32a4fbaa in KApplication::notify(QObject*, QEvent*) () at /usr/lib64/libkdeui.so.5
#17 0x00007f5e31cac2ad in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQtCore.so.4
#18 0x00007f5e31420cf8 in QGraphicsView::dragLeaveEvent(QDragLeaveEvent*) () at /usr/lib64/libQtGui.so.4
#19 0x00007f5e30e77973 in QWidget::event(QEvent*) () at /usr/lib64/libQtGui.so.4
#20 0x00007f5e312145ee in QFrame::event(QEvent*) () at /usr/lib64/libQtGui.so.4
#21 0x00007f5e31420429 in QGraphicsView::viewportEvent(QEvent*) () at /usr/lib64/libQtGui.so.4
#22 0x00007f5e31cac416 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () at /usr/lib64/libQtCore.so.4
#23 0x00007f5e30e2874c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#24 0x00007f5e30e2fb96 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#25 0x00007f5e32a4fbaa in KApplication::notify(QObject*, QEvent*) () at /usr/lib64/libkdeui.so.5
#26 0x00007f5e31cac2ad in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQtCore.so.4
#27 0x00007f5e30eac6be in  () at /usr/lib64/libQtGui.so.4
#28 0x00007f5e30eac800 in  () at /usr/lib64/libQtGui.so.4
#29 0x00007f5e30eacc0a in  () at /usr/lib64/libQtGui.so.4
#30 0x00007f5e30e3934a in QDrag::~QDrag() () at /usr/lib64/libQtGui.so.4
#31 0x00007f5e30e39369 in QDrag::~QDrag() () at /usr/lib64/libQtGui.so.4
#32 0x00007f5e31cc2ae8 in QObjectPrivate::deleteChildren() () at /usr/lib64/libQtCore.so.4
#33 0x00007f5e30e74437 in QWidget::~QWidget() () at /usr/lib64/libQtGui.so.4
#34 0x00007f5e30e74749 in QWidget::~QWidget() () at /usr/lib64/libQtGui.so.4
#35 0x00007f5e31cc2ae8 in QObjectPrivate::deleteChildren() () at /usr/lib64/libQtCore.so.4
#36 0x00007f5e30e74437 in QWidget::~QWidget() () at /usr/lib64/libQtGui.so.4
#37 0x00007f5e3141a595 in QGraphicsView::~QGraphicsView() () at /usr/lib64/libQtGui.so.4
#38 0x00007f5e3141a5c9 in QGraphicsView::~QGraphicsView() () at /usr/lib64/libQtGui.so.4
#39 0x00007f5e1adf7ef4 in  () at /usr/lib64/libkdeinit4_plasma-desktop.so
#40 0x00007f5e1adf7f49 in  () at /usr/lib64/libkdeinit4_plasma-desktop.so
#41 0x00007f5e31cc45d8 in QObject::event(QEvent*) () at /usr/lib64/libQtCore.so.4
#42 0x00007f5e30e77c5b in QWidget::event(QEvent*) () at /usr/lib64/libQtGui.so.4
#43 0x00007f5e30e2876c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#44 0x00007f5e30e2ecad in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#45 0x00007f5e32a4fbaa in KApplication::notify(QObject*, QEvent*) () at /usr/lib64/libkdeui.so.5
#46 0x00007f5e31cac2ad in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQtCore.so.4
#47 0x00007f5e31caf57d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQtCore.so.4
#48 0x00007f5e31cd98fe in  () at /usr/lib64/libQtCore.so.4
#49 0x00007f5e2d78aa04 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#50 0x00007f5e2d78ac48 in  () at /usr/lib64/libglib-2.0.so.0
#51 0x00007f5e2d78acec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#52 0x00007f5e31cd90be in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#53 0x00007f5e30ec5676 in  () at /usr/lib64/libQtGui.so.4
#54 0x00007f5e31caae6f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#55 0x00007f5e31cab165 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#56 0x00007f5e30eaf03d in  () at /usr/lib64/libQtGui.so.4
#57 0x00007f5e30e395aa in QDrag::exec(QFlags<Qt::DropAction>, Qt::DropAction) () at /usr/lib64/libQtGui.so.4
#58 0x00007f5e05c052c8 in  () at /usr/lib64/kde4/imports/org/kde/draganddrop/libdraganddropplugin.so
#59 0x00007f5e05c05381 in  () at /usr/lib64/kde4/imports/org/kde/draganddrop/libdraganddropplugin.so
#60 0x00007f5e313ef0d5 in  () at /usr/lib64/libQtGui.so.4
#61 0x00007f5e313f369e in  () at /usr/lib64/libQtGui.so.4
#62 0x00007f5e313f3b9f in  () at /usr/lib64/libQtGui.so.4
#63 0x00007f5e313fcea6 in QGraphicsScene::mouseMoveEvent(QGraphicsSceneMouseEvent*) () at /usr/lib64/libQtGui.so.4
#64 0x00007f5e31408cec in QGraphicsScene::event(QEvent*) () at /usr/lib64/libQtGui.so.4
#65 0x00007f5e30e2876c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#66 0x00007f5e30e2ecad in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#67 0x00007f5e32a4fbaa in KApplication::notify(QObject*, QEvent*) () at /usr/lib64/libkdeui.so.5
#68 0x00007f5e31cac2ad in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQtCore.so.4
#69 0x00007f5e3141decc in QGraphicsViewPrivate::mouseMoveEventHandler(QMouseEvent*) () at /usr/lib64/libQtGui.so.4
#70 0x00007f5e3141edda in QGraphicsView::mouseMoveEvent(QMouseEvent*) () at /usr/lib64/libQtGui.so.4
#71 0x00007f5e30e77d35 in QWidget::event(QEvent*) () at /usr/lib64/libQtGui.so.4
#72 0x00007f5e312145ee in QFrame::event(QEvent*) () at /usr/lib64/libQtGui.so.4
#73 0x00007f5e31420429 in QGraphicsView::viewportEvent(QEvent*) () at /usr/lib64/libQtGui.so.4
#74 0x00007f5e31cac416 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () at /usr/lib64/libQtCore.so.4
#75 0x00007f5e30e2874c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#76 0x00007f5e30e2edea in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQtGui.so.4
#77 0x00007f5e32a4fbaa in KApplication::notify(QObject*, QEvent*) () at /usr/lib64/libkdeui.so.5
#78 0x00007f5e31cac2ad in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQtCore.so.4
#79 0x00007f5e30e2e5e3 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at /usr/lib64/libQtGui.so.4
#80 0x00007f5e30e9fc9b in  () at /usr/lib64/libQtGui.so.4
#81 0x00007f5e30e9e70c in QApplication::x11ProcessEvent(_XEvent*) () at /usr/lib64/libQtGui.so.4
#82 0x00007f5e30ec55c2 in  () at /usr/lib64/libQtGui.so.4
#83 0x00007f5e2d78aa04 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#84 0x00007f5e2d78ac48 in  () at /usr/lib64/libglib-2.0.so.0
#85 0x00007f5e2d78acec in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#86 0x00007f5e31cd90be in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#87 0x00007f5e30ec5676 in  () at /usr/lib64/libQtGui.so.4
#88 0x00007f5e31caae6f in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#89 0x00007f5e31cab165 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQtCore.so.4
#90 0x00007f5e31cb05b9 in QCoreApplication::exec() () at /usr/lib64/libQtCore.so.4
#91 0x00007f5e1ae06b94 in kdemain () at /usr/lib64/libkdeinit4_plasma-desktop.so
#92 0x0000000000408815 in _start ()

Reported using DrKonqi
Comment 1 matthias sweertvaegher 2015-01-22 18:50:56 UTC
ps: I could not reproduce the crash on a second try
Comment 2 Christoph Feck 2015-05-09 19:09:37 UTC

*** This bug has been marked as a duplicate of bug 326140 ***