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-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:
Shutting down my computer :With the menu bar, I asked to shit down and the iy crash

The crash can be reproduced every time.

-- Backtrace:
Application: Outil de gestion de fenêtres Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f5fef6627a0 (LWP 1809))]

Thread 4 (Thread 0x7f5fc1087700 (LWP 1813)):
#0  __pthread_mutex_lock (mutex=0x1) at pthread_mutex_lock.c:47
#1  0x00007f5fe34d5044 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5fe34d5429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5fec13bf3e in QEventDispatcherGlib::processEvents (this=0x371b130, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f5fec10fcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f5fec10fef7 in QEventLoop::exec (this=0x7f5fc1086db0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f5fec02727f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f5fec0f2cbf in QInotifyFileSystemWatcherEngine::run (this=0x371a500) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f5fec029d05 in QThreadPrivate::start (arg=0x371a500) at thread/qthread_unix.cpp:331
#9  0x00007f5fe3fe1efc in start_thread (arg=0x7f5fc1087700) at pthread_create.c:304
#10 0x00007f5feef5589d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f5fbe61a700 (LWP 1820)):
#0  0x00007f5feef49773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f5fe34d4f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5fe34d5429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5fec13bf3e in QEventDispatcherGlib::processEvents (this=0x43eb210, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f5fec10fcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f5fec10fef7 in QEventLoop::exec (this=0x7f5fbe619db0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f5fec02727f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f5fec0f2cbf in QInotifyFileSystemWatcherEngine::run (this=0x43eac30) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f5fec029d05 in QThreadPrivate::start (arg=0x43eac30) at thread/qthread_unix.cpp:331
#9  0x00007f5fe3fe1efc in start_thread (arg=0x7f5fbe61a700) at pthread_create.c:304
#10 0x00007f5feef5589d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f5fac8e3700 (LWP 1822)):
#0  0x00007f5feef49773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f5fe34d4f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f5fe34d5792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f5fbd13c516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f5fe34fa2b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f5fe3fe1efc in start_thread (arg=0x7f5fac8e3700) at pthread_create.c:304
#6  0x00007f5feef5589d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f5fef6627a0 (LWP 1809)):
[KCrash Handler]
#6  QGraphicsLayoutItem::setParentLayoutItem (this=0x5299f30, parent=0x0) at graphicsview/qgraphicslayoutitem.cpp:856
#7  0x00007f5fd0942cdf in SystemTray::CompactLayout::removeItem (this=0x2ce04f0, item=0x5299f30) at ../../../../../plasma/generic/applets/systemtray/ui/compactlayout.cpp:127
#8  0x00007f5fd0946bc7 in SystemTray::TaskArea::addWidgetForTask (this=0x2ce02c0, task=0x2f63340) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:280
#9  0x00007f5fd0947926 in SystemTray::TaskArea::addTask (this=0x2ce02c0, task=<optimized out>) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:196
#10 0x00007f5fd0948124 in SystemTray::TaskArea::qt_metacall (this=0x2ce02c0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff2c5dcbe0) at ./taskarea.moc:89
#11 0x00007f5fec123eba in QMetaObject::activate (sender=0x2c5aa70, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff2c5dcbe0) at kernel/qobject.cpp:3278
#12 0x00007f5fd092a8c2 in SystemTray::Manager::taskChanged (this=<optimized out>, _t1=0x2f63340) at ./manager.moc:106
#13 0x00007f5fd092ac24 in SystemTray::Manager::qt_metacall (this=0x2c5aa70, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff2c5dccf0) at ./manager.moc:84
#14 0x00007f5fec123eba in QMetaObject::activate (sender=0x2f63340, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff2c5dccf0) at kernel/qobject.cpp:3278
#15 0x00007f5fd092b45f in SystemTray::Task::changed (this=<optimized out>, _t1=0x2f63340) at ./task.moc:112
#16 0x00007f5fd092b731 in SystemTray::Task::widgetDeleted (this=0x2f63340) at ../../../../../plasma/generic/applets/systemtray/core/task.cpp:129
#17 0x00007f5fd092b9f4 in SystemTray::Task::qt_metacall (this=0x2f63340, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff2c5dce80) at ./task.moc:100
#18 0x00007f5fd092c430 in SystemTray::FdoTask::qt_metacall (this=0x2f63340, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff2c5dce80) at ./fdotask.moc:67
#19 0x00007f5fec123eba in QMetaObject::activate (sender=0x5299f10, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff2c5dce80) at kernel/qobject.cpp:3278
#20 0x00007f5fec12436f in QObject::destroyed (this=<optimized out>, _t1=0x5299f10) at .moc/release-shared/moc_qobject.cpp:149
#21 0x00007f5fec127ef7 in QObject::~QObject (this=0x5299f10, __in_chrg=<optimized out>) at kernel/qobject.cpp:843
#22 0x00007f5febae3548 in ~QGraphicsObject (this=0x5299f10, __in_chrg=<optimized out>) at ../../include/QtGui/../../src/gui/graphicsview/qgraphicsitem.h:547
#23 QGraphicsWidget::~QGraphicsWidget (this=0x5299f10, __in_chrg=<optimized out>) at graphicsview/qgraphicswidget.cpp:232
#24 0x00007f5fd092c709 in SystemTray::FdoGraphicsWidget::~FdoGraphicsWidget (this=0x5299f10, __in_chrg=<optimized out>) at ../../../../../plasma/generic/applets/systemtray/protocols/fdo/fdographicswidget.cpp:77
#25 0x00007f5feba93dc6 in QGraphicsItem::~QGraphicsItem (this=0x2c09ab0, __in_chrg=<optimized out>) at graphicsview/qgraphicsitem.cpp:1488
#26 0x00007f5febae3540 in ~QGraphicsObject (this=0x2c09aa0, __in_chrg=<optimized out>) at ../../include/QtGui/../../src/gui/graphicsview/qgraphicsitem.h:547
#27 QGraphicsWidget::~QGraphicsWidget (this=0x2c09aa0, __in_chrg=<optimized out>) at graphicsview/qgraphicswidget.cpp:232
#28 0x00007f5fd0945439 in SystemTray::TaskArea::~TaskArea (this=0x2c09aa0, __in_chrg=<optimized out>) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:147
#29 0x00007f5fd093db4d in SystemTray::Applet::~Applet (this=0x2c5ac90, __in_chrg=<optimized out>) at ../../../../../plasma/generic/applets/systemtray/ui/applet.cpp:145
#30 0x00007f5fd093dd59 in SystemTray::Applet::~Applet (this=0x2c5ac90, __in_chrg=<optimized out>) at ../../../../../plasma/generic/applets/systemtray/ui/applet.cpp:163
#31 0x00007f5feea635ef in qDeleteAll<QList<Plasma::Applet*>::const_iterator> (end=<optimized out>, begin=<optimized out>) at /usr/include/qt4/QtCore/qalgorithms.h:322
#32 qDeleteAll<QList<Plasma::Applet*> > (c=...) at /usr/include/qt4/QtCore/qalgorithms.h:330
#33 ~ContainmentPrivate (this=0x28b58f0, __in_chrg=<optimized out>) at ../../plasma/private/containment_p.h:70
#34 Plasma::Containment::~Containment (this=0x2bad340, __in_chrg=<optimized out>) at ../../plasma/containment.cpp:148
#35 0x00007f5fd252bb39 in Panel::~Panel (this=0x2bad340, __in_chrg=<optimized out>) at ../../../../../plasma/desktop/containments/panel/panel.cpp:129
#36 0x00007f5feea769f7 in qDeleteAll<QList<Plasma::Containment*>::const_iterator> (end=<optimized out>, begin=<optimized out>) at /usr/include/qt4/QtCore/qalgorithms.h:322
#37 qDeleteAll<QList<Plasma::Containment*> > (c=...) at /usr/include/qt4/QtCore/qalgorithms.h:330
#38 Plasma::CoronaPrivate::~CoronaPrivate (this=0x20e11d0, __in_chrg=<optimized out>) at ../../plasma/corona.cpp:805
#39 0x00007f5feea76c24 in Plasma::Corona::~Corona (this=0x220c0c0, __in_chrg=<optimized out>) at ../../plasma/corona.cpp:82
#40 0x00007f5fef248829 in DesktopCorona::~DesktopCorona (this=0x220c0c0, __in_chrg=<optimized out>) at ../../../../plasma/desktop/shell/desktopcorona.cpp:73
#41 0x00007f5fef26a146 in PlasmaApp::cleanup (this=0x1f2d820) at ../../../../plasma/desktop/shell/plasmaapp.cpp:381
#42 0x00007f5fef26ef4f in PlasmaApp::qt_metacall (this=0x1f2d820, _c=QMetaObject::InvokeMetaMethod, _id=15, _a=0x7fff2c5dd3c0) at ./plasmaapp.moc:143
#43 0x00007f5fec123eba in QMetaObject::activate (sender=0x1f2d820, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#44 0x00007f5fec1147e5 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1069
#45 0x00007f5fef2541a3 in kdemain (argc=1, argv=0x7fff2c5dd818) at ../../../../plasma/desktop/shell/main.cpp:120
#46 0x00007f5feee9530d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff2c5dd818, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff2c5dd808) at libc-start.c:226
#47 0x0000000000400671 in _start ()

Possible duplicates by query: bug 283937, bug 282269, bug 281557, bug 280449, bug 279856.

Reported using DrKonqi