Application: plasma-desktop (0.4)
KDE Platform Version: 4.6.00 (4.6.0)
Qt Version: 4.7.0
Operating System: Linux 2.6.35-25-generic x86_64
Distribution: Ubuntu 10.10

-- Information about the crash:
- What I was doing when the application crashed:

Logging out. When logging out, Plasma crashes, often taking any applications in the background (such as Kopete or Amarok) with it.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Aborted
[Current thread is 1 (Thread 0x7f950c3db780 (LWP 2423))]

Thread 3 (Thread 0x7f94e968f700 (LWP 2428)):
#0  0x00007f950138dc9d in __pthread_mutex_unlock_usercnt (mutex=0x19781d8) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x19781d8) at pthread_mutex_unlock.c:290
#2  0x00007f9500cd7ffc in ?? () from /lib/libglib-2.0.so.0
#3  0x00007f9500cd845c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#4  0x00007f950916f1e6 in QEventDispatcherGlib::processEvents (this=0x193f9e0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#5  0x00007f9509141a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#6  0x00007f9509141dec in QEventLoop::exec (this=0x7f94e968ed90, flags=) at kernel/qeventloop.cpp:201
#7  0x00007f950904c2fd in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#8  0x00007f95091215f8 in QInotifyFileSystemWatcherEngine::run (this=0x1981230) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007f950904f27e in QThreadPrivate::start (arg=0x1981230) at thread/qthread_unix.cpp:266
#10 0x00007f950138a971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#11 0x00007f950bdfa92d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f94e8a61700 (LWP 2429)):
#0  0x00007f950bdee203 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f9500cd8009 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007f9500cd845c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007f950916f1e6 in QEventDispatcherGlib::processEvents (this=0x1a35e80, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#4  0x00007f9509141a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007f9509141dec in QEventLoop::exec (this=0x7f94e8a60d90, flags=) at kernel/qeventloop.cpp:201
#6  0x00007f950904c2fd in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#7  0x00007f95091215f8 in QInotifyFileSystemWatcherEngine::run (this=0x1a569b0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f950904f27e in QThreadPrivate::start (arg=0x1a569b0) at thread/qthread_unix.cpp:266
#9  0x00007f950138a971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#10 0x00007f950bdfa92d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f950c3db780 (LWP 2423)):
[KCrash Handler]
#6  0x00007f950bd47ba5 in raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#7  0x00007f950bd4b6b0 in abort () at abort.c:92
#8  0x00007f95080a76bd in __gnu_cxx::__verbose_terminate_handler() () from /usr/lib/libstdc++.so.6
#9  0x00007f95080a5906 in ?? () from /usr/lib/libstdc++.so.6
#10 0x00007f95080a5933 in std::terminate() () from /usr/lib/libstdc++.so.6
#11 0x00007f95080a628f in __cxa_pure_virtual () from /usr/lib/libstdc++.so.6
#12 0x00007f9508abcbf1 in QGraphicsItem::sceneBoundingRect (this=0x977) at graphicsview/qgraphicsitem.cpp:4756
#13 0x00007f9508aedfe8 in QGraphicsScene::itemsBoundingRect (this=<value optimized out>) at graphicsview/qgraphicsscene.cpp:1920
#14 0x00007f9508af51c1 in QGraphicsScene::sceneRect (this=0x129ebc0) at graphicsview/qgraphicsscene.cpp:1668
#15 0x00007f950b91b1ab in Plasma::Corona::screenGeometry (this=<value optimized out>, id=<value optimized out>) at ../../plasma/corona.cpp:723
#16 0x00007f950b92f90a in Plasma::ExtenderPrivate::adjustSize (this=0x1716a50) at ../../plasma/extenders/extender.cpp:917
#17 0x00007f950b93b884 in Plasma::ExtenderItem::setCollapsed (this=0x2470320, collapsed=true) at ../../plasma/extenders/extenderitem.cpp:619
#18 0x00007f94f0a597fd in NotificationGroup::removeNotification (this=0x2470320, notification=0x24775d0) at ../../../../../plasma/generic/applets/notifications/ui/notificationgroup.cpp:181
#19 0x00007f94f0a59f74 in NotificationGroup::qt_metacall (this=0x2470320, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffe98aafd0) at ./notificationgroup.moc:83
#20 0x00007f950915ab27 in QMetaObject::activate (sender=0x24775d0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0xffffffffffffffff) at kernel/qobject.cpp:3280
#21 0x00007f94f0a3e8c2 in Notification::notificationDestroyed (this=0x977, _t1=0x24775d0) at ./notification.moc:122
#22 0x00007f94f0a3f32b in Notification::~Notification (this=0x977, __in_chrg=<value optimized out>) at ../../../../../plasma/generic/applets/notifications/core/notification.cpp:71
#23 0x00007f94f0a44b3a in DBusNotification::~DBusNotification (this=0x24775d0, __in_chrg=<value optimized out>) at ../../../../../plasma/generic/applets/notifications/protocols/notifications/dbusnotification.cpp:36
#24 0x00007f94f0a584d7 in qDeleteAll<QList<Notification*>::const_iterator> (this=0x2470320, __in_chrg=<value optimized out>) at /usr/include/qt4/QtCore/qalgorithms.h:322
#25 qDeleteAll<QList<Notification*> > (this=0x2470320, __in_chrg=<value optimized out>) at /usr/include/qt4/QtCore/qalgorithms.h:330
#26 NotificationGroup::~NotificationGroup (this=0x2470320, __in_chrg=<value optimized out>) at ../../../../../plasma/generic/applets/notifications/ui/notificationgroup.cpp:69
#27 0x00007f950b932e2a in Plasma::Extender::~Extender (this=0x17a3750, __in_chrg=<value optimized out>) at ../../plasma/extenders/extender.cpp:155
#28 0x00007f950b8e9acc in Plasma::AppletPrivate::~AppletPrivate (this=0x17b72e0, __in_chrg=<value optimized out>) at ../../plasma/applet.cpp:2557
#29 0x00007f950b8f044a in Plasma::Applet::~Applet (this=0x17b6650, __in_chrg=<value optimized out>) at ../../plasma/applet.cpp:223
#30 0x00007f94f0a4ca4d in Notifications::~Notifications (this=0x17b6650, __in_chrg=<value optimized out>) at ../../../../../plasma/generic/applets/notifications/ui/notifications.cpp:119
#31 0x00007f9508acb1df in QGraphicsItem::~QGraphicsItem (this=0x14be650, __in_chrg=<value optimized out>) at graphicsview/qgraphicsitem.cpp:1462
#32 0x00007f9508b29090 in ~QGraphicsObject (this=0x14be640, __in_chrg=<value optimized out>) at ../../include/QtGui/../../src/gui/graphicsview/qgraphicsitem.h:547
#33 QGraphicsWidget::~QGraphicsWidget (this=0x14be640, __in_chrg=<value optimized out>) at graphicsview/qgraphicswidget.cpp:277
#34 0x00007f94f36e5441 in SystemTray::TaskArea::~TaskArea (this=0x14be640, __in_chrg=<value optimized out>) at ../../../../../plasma/generic/applets/systemtray/ui/taskarea.cpp:152
#35 0x00007f94f36da6d1 in SystemTray::Applet::~Applet (this=0x14cce80, __in_chrg=<value optimized out>) at ../../../../../plasma/generic/applets/systemtray/ui/applet.cpp:125
#36 0x00007f950b90da2f in qDeleteAll<QList<Plasma::Applet*>::const_iterator> (this=0x1391b00, __in_chrg=<value optimized out>) at /usr/include/qt4/QtCore/qalgorithms.h:322
#37 qDeleteAll<QList<Plasma::Applet*> > (this=0x1391b00, __in_chrg=<value optimized out>) at /usr/include/qt4/QtCore/qalgorithms.h:330
#38 ~ContainmentPrivate (this=0x1391b00, __in_chrg=<value optimized out>) at ../../plasma/private/containment_p.h:70
#39 Plasma::Containment::~Containment (this=0x1391b00, __in_chrg=<value optimized out>) at ../../plasma/containment.cpp:148
#40 0x00007f94f4893ed5 in Panel::~Panel (this=0x1391b00, __in_chrg=<value optimized out>) at ../../../../../plasma/desktop/containments/panel/panel.cpp:117
#41 0x00007f950b91d98f in qDeleteAll<QList<Plasma::Containment*>::const_iterator> (this=0x129ebc0, __in_chrg=<value optimized out>) at /usr/include/qt4/QtCore/qalgorithms.h:322
#42 qDeleteAll<QList<Plasma::Containment*> > (this=0x129ebc0, __in_chrg=<value optimized out>) at /usr/include/qt4/QtCore/qalgorithms.h:330
#43 ~CoronaPrivate (this=0x129ebc0, __in_chrg=<value optimized out>) at ../../plasma/corona.cpp:84
#44 Plasma::Corona::~Corona (this=0x129ebc0, __in_chrg=<value optimized out>) at ../../plasma/corona.cpp:316
#45 0x00007f950c0cb894 in DesktopCorona::~DesktopCorona (this=0x129ebc0, __in_chrg=<value optimized out>) at ../../../../plasma/desktop/shell/desktopcorona.cpp:73
#46 0x00007f950c0ef816 in PlasmaApp::cleanup (this=0x11d14e0) at ../../../../plasma/desktop/shell/plasmaapp.cpp:368
#47 0x00007f950c0f5a0d in PlasmaApp::qt_metacall (this=0x11d14e0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffe98ab720) at ./plasmaapp.moc:157
#48 0x00007f950915ab27 in QMetaObject::activate (sender=0x11d14e0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0xffffffffffffffff) at kernel/qobject.cpp:3280
#49 0x00007f9509145ee3 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1014
#50 0x00007f950c0d8d23 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../plasma/desktop/shell/main.cpp:118
#51 0x00007f950bd32d8e in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fffe98abb48) at libc-start.c:226
#52 0x0000000000400669 in _start ()

This bug may be a duplicate of or related to bug 265207.

Possible duplicates by query: bug 265207, bug 265206, bug 265020, bug 264920, bug 264821.

Reported using DrKonqi