Bug 285285

Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.2 (4.7.2)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-12-server x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:
I was changing the workspace graphic effects. On testing the effects with "scrolling mousewheel, changing workspace"  i was logged out of KDE and have to relogin.

-- Backtrace:
Application: Plasma-Desktop-Umgebung (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f7ad15437c0 (LWP 8388))]

Thread 3 (Thread 0x7f7aad622700 (LWP 8389)):
#0  0x00007f7ac5393bd0 in pthread_mutex_unlock@plt () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f7ac53fcb01 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ac53c13c3 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ac53c1bcb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f7ac53c1dd4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f7ace01ff3e in QEventDispatcherGlib::processEvents (this=0x2353bb0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#6  0x00007f7acdff3cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f7acdff3ef7 in QEventLoop::exec (this=0x7f7aad621cd0, flags=...) at kernel/qeventloop.cpp:201
#8  0x00007f7acdf0b27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#9  0x00007f7acdfd6cbf in QInotifyFileSystemWatcherEngine::run (this=0x29e00d0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f7acdf0dd05 in QThreadPrivate::start (arg=0x29e00d0) at thread/qthread_unix.cpp:331
#11 0x00007f7ac26db56c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#12 0x00007f7ac5ec5efc in start_thread (arg=0x7f7aad622700) at pthread_create.c:304
#13 0x00007f7ad0e3989d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#14 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f7a9f62b700 (LWP 8392)):
#0  0x00007f7ad0e2d773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f7ac53c1ca6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f7ac53c1dd4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f7ace01ff3e in QEventDispatcherGlib::processEvents (this=0x2c6d050, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f7acdff3cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f7acdff3ef7 in QEventLoop::exec (this=0x7f7a9f62acd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f7acdf0b27f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f7acdfd6cbf in QInotifyFileSystemWatcherEngine::run (this=0x2de8ba0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f7acdf0dd05 in QThreadPrivate::start (arg=0x2de8ba0) at thread/qthread_unix.cpp:331
#9  0x00007f7ac26db56c in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007f7ac5ec5efc in start_thread (arg=0x7f7a9f62b700) at pthread_create.c:304
#11 0x00007f7ad0e3989d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f7ad15437c0 (LWP 8388)):
[KCrash Handler]
#6  0x00007f7ab44b208f in ?? () from /usr/lib/kde4/plasma_applet_simplelauncher.so
#7  0x00007f7ab44b2cd4 in ?? () from /usr/lib/kde4/plasma_applet_simplelauncher.so
#8  0x00007f7ace007eba in QMetaObject::activate (sender=0x6119c20, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff6fc2f9e0) at kernel/qobject.cpp:3278
#9  0x00007f7ace0508d4 in QAbstractItemModel::rowsInserted (this=<optimized out>, _t1=<optimized out>, _t2=0, _t3=0) at .moc/release-shared/moc_qabstractitemmodel.cpp:181
#10 0x00007f7acdfef22e in QAbstractItemModel::endInsertRows (this=0x6119c20) at kernel/qabstractitemmodel.cpp:2412
#11 0x00007f7acd942943 in QStandardItemModelPrivate::rowsInserted (this=0x50bd2e0, parent=<optimized out>, row=<optimized out>, count=1) at itemviews/qstandarditemmodel.cpp:558
#12 0x00007f7acd942ba4 in QStandardItemPrivate::insertRows (this=0x58e6c90, row=0, count=1, items=...) at itemviews/qstandarditemmodel.cpp:433
#13 0x00007f7ab4037c32 in Kickoff::FavoritesModel::setNameDisplayOrder(Kickoff::DisplayOrder) () from /usr/lib/libkickoff.so
#14 0x00007f7ab357f08d in ?? () from /usr/lib/kde4/plasma_applet_launcher.so
#15 0x00007f7ab358ce80 in ?? () from /usr/lib/kde4/plasma_applet_launcher.so
#16 0x00007f7ab358d62c in ?? () from /usr/lib/kde4/plasma_applet_launcher.so
#17 0x00007f7ace007eba in QMetaObject::activate (sender=0x6134fb0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#18 0x00007f7acebf9d2e in KDialog::slotButtonClicked(int) () from /usr/lib/libkdeui.so.5
#19 0x00007f7acebfa2d2 in KDialog::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkdeui.so.5
#20 0x00007f7acecd1060 in KPageDialog::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkdeui.so.5
#21 0x00007f7acebe9b60 in KConfigDialog::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkdeui.so.5
#22 0x00007f7ad0927f50 in ?? () from /usr/lib/libplasma.so.3
#23 0x00007f7ace007eba in QMetaObject::activate (sender=0x568ce40, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff6fc300f0) at kernel/qobject.cpp:3278
#24 0x00007f7ace00e08e in QSignalMapper::mapped (this=<optimized out>, _t1=8) at .moc/release-shared/moc_qsignalmapper.cpp:101
#25 0x00007f7ace00e62b in QSignalMapper::map (this=0x568ce40, sender=0x28ad4a0) at kernel/qsignalmapper.cpp:266
#26 0x00007f7ace00ea80 in QSignalMapper::qt_metacall (this=0x568ce40, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0x7fff6fc30240) at .moc/release-shared/moc_qsignalmapper.cpp:87
#27 0x00007f7ace007eba in QMetaObject::activate (sender=0x28ad4a0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff6fc30240) at kernel/qobject.cpp:3278
#28 0x00007f7acda16582 in QAbstractButton::clicked (this=<optimized out>, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:206
#29 0x00007f7acd75c13e in QAbstractButtonPrivate::emitClicked (this=<optimized out>) at widgets/qabstractbutton.cpp:546
#30 0x00007f7acd75d47b in QAbstractButtonPrivate::click (this=0x2ff0db0) at widgets/qabstractbutton.cpp:539
#31 0x00007f7acd75d6ec in QAbstractButton::mouseReleaseEvent (this=0x28ad4a0, e=0x7fff6fc30950) at widgets/qabstractbutton.cpp:1121
#32 0x00007f7acd3f5c9a in QWidget::event (this=0x28ad4a0, event=0x7fff6fc30950) at kernel/qwidget.cpp:8295
#33 0x00007f7acd3a5424 in notify_helper (e=0x7fff6fc30950, receiver=0x28ad4a0, this=0x1f2cca0) at kernel/qapplication.cpp:4486
#34 QApplicationPrivate::notify_helper (this=0x1f2cca0, receiver=0x28ad4a0, e=0x7fff6fc30950) at kernel/qapplication.cpp:4458
#35 0x00007f7acd3aac6b in QApplication::notify (this=<optimized out>, receiver=0x28ad4a0, e=0x7fff6fc30950) at kernel/qapplication.cpp:4047
#36 0x00007f7aceca3126 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#37 0x00007f7acdff4afc in QCoreApplication::notifyInternal (this=0x1f21bc0, receiver=0x28ad4a0, event=0x7fff6fc30950) at kernel/qcoreapplication.cpp:787
#38 0x00007f7acd3a63f2 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#39 QApplicationPrivate::sendMouseEvent (receiver=0x28ad4a0, event=0x7fff6fc30950, alienWidget=0x28ad4a0, nativeWidget=0x6134fb0, buttonDown=0x28ad4a0, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3146
#40 0x00007f7acd425945 in QETWidget::translateMouseEvent (this=0x6134fb0, event=<optimized out>) at kernel/qapplication_x11.cpp:4568
#41 0x00007f7acd4248be in QApplication::x11ProcessEvent (this=0x1f21bc0, event=0x7fff6fc31170) at kernel/qapplication_x11.cpp:3690
#42 0x00007f7acd44d412 in x11EventSourceDispatch (s=0x1f36920, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#43 0x00007f7ac53c194a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#44 0x00007f7ac53c1d10 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#45 0x00007f7ac53c1dd4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#46 0x00007f7ace01fed6 in QEventDispatcherGlib::processEvents (this=0x1e6af40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#47 0x00007f7acd44d07e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#48 0x00007f7acdff3cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#49 0x00007f7acdff3ef7 in QEventLoop::exec (this=0x5c5c5a0, flags=...) at kernel/qeventloop.cpp:201
#50 0x00007f7acd433c05 in QDragManager::drag (this=0x2005bc0, o=<optimized out>) at kernel/qdnd_x11.cpp:1981
#51 0x00007f7acd3b6f38 in QDrag::exec (this=0x58e1350, supportedActions=..., defaultDropAction=Qt::IgnoreAction) at kernel/qdrag.cpp:284
#52 0x00007f7acd3b6ff3 in QDrag::exec (this=<optimized out>, supportedActions=<optimized out>) at kernel/qdrag.cpp:239
#53 0x00007f7acfad6d5d in Plasma::AbstractIcon::mouseMoveEvent(QGraphicsSceneMouseEvent*) () from /usr/lib/libplasmagenericshell.so.4
#54 0x00007f7acd96c67e in QGraphicsItem::sceneEvent (this=0x573ae90, event=0x7fff6fc31e20) at graphicsview/qgraphicsitem.cpp:6724
#55 0x00007f7acd994c2a in QGraphicsScenePrivate::sendMouseEvent (this=0x21222a0, mouseEvent=0x7fff6fc31e20) at graphicsview/qgraphicsscene.cpp:1291
#56 0x00007f7acd99571c in QGraphicsScene::mouseMoveEvent (this=<optimized out>, mouseEvent=0x7fff6fc31e20) at graphicsview/qgraphicsscene.cpp:4095
#57 0x00007f7acd9a38cb in QGraphicsScene::event (this=0x1f42e20, event=0x7fff6fc31e20) at graphicsview/qgraphicsscene.cpp:3446
#58 0x00007f7acd3a5424 in notify_helper (e=0x7fff6fc31e20, receiver=0x1f42e20, this=0x1f2cca0) at kernel/qapplication.cpp:4486
#59 QApplicationPrivate::notify_helper (this=0x1f2cca0, receiver=0x1f42e20, e=0x7fff6fc31e20) at kernel/qapplication.cpp:4458
#60 0x00007f7acd3aa291 in QApplication::notify (this=0x1f21bc0, receiver=0x1f42e20, e=0x7fff6fc31e20) at kernel/qapplication.cpp:4365
#61 0x00007f7aceca3126 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#62 0x00007f7acdff4afc in QCoreApplication::notifyInternal (this=0x1f21bc0, receiver=0x1f42e20, event=0x7fff6fc31e20) at kernel/qcoreapplication.cpp:787
#63 0x00007f7acd9bd8d9 in QGraphicsViewPrivate::mouseMoveEventHandler (this=0x58588a0, event=0x7fff6fc32750) at graphicsview/qgraphicsview.cpp:647
#64 0x00007f7acd9bdafe in QGraphicsView::mouseMoveEvent (this=0x5823bd0, event=0x7fff6fc32750) at graphicsview/qgraphicsview.cpp:3274
#65 0x00007f7acd3f5cce in QWidget::event (this=0x5823bd0, event=0x7fff6fc32750) at kernel/qwidget.cpp:8280
#66 0x00007f7acd79e4f6 in QFrame::event (this=0x5823bd0, e=0x7fff6fc32750) at widgets/qframe.cpp:557
#67 0x00007f7acd9c1d3b in QGraphicsView::viewportEvent (this=0x5823bd0, event=0x7fff6fc32750) at graphicsview/qgraphicsview.cpp:2864
#68 0x00007f7acdff4c88 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x5828c80, event=0x7fff6fc32750) at kernel/qcoreapplication.cpp:902
#69 0x00007f7acd3a53ef in notify_helper (e=0x7fff6fc32750, receiver=0x5828c80, this=0x1f2cca0) at kernel/qapplication.cpp:4482
#70 QApplicationPrivate::notify_helper (this=0x1f2cca0, receiver=0x5828c80, e=0x7fff6fc32750) at kernel/qapplication.cpp:4458
#71 0x00007f7acd3aac6b in QApplication::notify (this=<optimized out>, receiver=0x5828c80, e=0x7fff6fc32750) at kernel/qapplication.cpp:4047
#72 0x00007f7aceca3126 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#73 0x00007f7acdff4afc in QCoreApplication::notifyInternal (this=0x1f21bc0, receiver=0x5828c80, event=0x7fff6fc32750) at kernel/qcoreapplication.cpp:787
#74 0x00007f7acd3a63f2 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#75 QApplicationPrivate::sendMouseEvent (receiver=0x5828c80, event=0x7fff6fc32750, alienWidget=0x5828c80, nativeWidget=0x51b4de0, buttonDown=0x5828c80, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3146
#76 0x00007f7acd425945 in QETWidget::translateMouseEvent (this=0x51b4de0, event=<optimized out>) at kernel/qapplication_x11.cpp:4568
#77 0x00007f7acd4248be in QApplication::x11ProcessEvent (this=0x1f21bc0, event=0x7fff6fc32f70) at kernel/qapplication_x11.cpp:3690
#78 0x00007f7acd44d412 in x11EventSourceDispatch (s=0x1f36920, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#79 0x00007f7ac53c194a in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#80 0x00007f7ac53c1d10 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#81 0x00007f7ac53c1dd4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#82 0x00007f7ace01fed6 in QEventDispatcherGlib::processEvents (this=0x1e6af40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#83 0x00007f7acd44d07e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#84 0x00007f7acdff3cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#85 0x00007f7acdff3ef7 in QEventLoop::exec (this=0x7fff6fc33310, flags=...) at kernel/qeventloop.cpp:201
#86 0x00007f7acdff8789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#87 0x00007f7ad11381a3 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_plasma-desktop.so
#88 0x00007f7ad0d7930d in __libc_start_main (main=0x400640, argc=1, ubp_av=0x7fff6fc336f8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff6fc336e8) at libc-start.c:226
#89 0x0000000000400671 in _start ()

Possible duplicates by query: bug 284661, bug 284092, bug 284084, bug 282893, bug 277244.

Reported using DrKonqi