Application: plasma-desktop (0.4)
KDE Platform Version: 4.5.95 (4.6 RC2)
Qt Version: 4.7.0
Operating System: Linux 2.6.37-5-generic x86_64
Distribution: Ubuntu 10.10

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

Every time I log out plasma crashes. There is no other information that I can provide

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fc7312ba7a0 (LWP 6103))]

Thread 4 (Thread 0x7fc707a4b700 (LWP 6104)):
#0  0x00007fc730bcb203 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fc72597d009 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007fc72597d45c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007fc72df4e1e6 in QEventDispatcherGlib::processEvents (this=0x2166060, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#4  0x00007fc72df20a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007fc72df20dec in QEventLoop::exec (this=0x7fc707a4acb0, flags=) at kernel/qeventloop.cpp:201
#6  0x00007fc72de2b2fd in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#7  0x00007fc72df005f8 in QInotifyFileSystemWatcherEngine::run (this=0x21c0220) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fc72de2e27e in QThreadPrivate::start (arg=0x21c0220) at thread/qthread_unix.cpp:266
#9  0x00007fc7291acae3 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007fc72602f971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#11 0x00007fc730bd792d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fc70724a700 (LWP 6105)):
#0  0x00007fc726031665 in __pthread_mutex_lock (mutex=0x21cdc88) at pthread_mutex_lock.c:61
#1  0x00007fc72597c8bf in g_main_context_prepare () from /lib/libglib-2.0.so.0
#2  0x00007fc72597ce78 in ?? () from /lib/libglib-2.0.so.0
#3  0x00007fc72597d45c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#4  0x00007fc72df4e1e6 in QEventDispatcherGlib::processEvents (this=0x211ebe0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#5  0x00007fc72df20a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#6  0x00007fc72df20dec in QEventLoop::exec (this=0x7fc707249cd0, flags=) at kernel/qeventloop.cpp:201
#7  0x00007fc72de2b2fd in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#8  0x00007fc72426cb6c in Herqq::Upnp::HControlPointThread::run() () from /usr/lib/libHUpnp.so.0
#9  0x00007fc72de2e27e in QThreadPrivate::start (arg=0x21cf4a0) at thread/qthread_unix.cpp:266
#10 0x00007fc7291acae3 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#11 0x00007fc72602f971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#12 0x00007fc730bd792d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fc6feab7700 (LWP 6107)):
#0  0x00007fc730bcb203 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fc72597d009 in ?? () from /lib/libglib-2.0.so.0
#2  0x00007fc72597d45c in g_main_context_iteration () from /lib/libglib-2.0.so.0
#3  0x00007fc72df4e1e6 in QEventDispatcherGlib::processEvents (this=0x234dd00, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:417
#4  0x00007fc72df20a02 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#5  0x00007fc72df20dec in QEventLoop::exec (this=0x7fc6feab6cb0, flags=) at kernel/qeventloop.cpp:201
#6  0x00007fc72de2b2fd in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:490
#7  0x00007fc72df005f8 in QInotifyFileSystemWatcherEngine::run (this=0x2314630) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fc72de2e27e in QThreadPrivate::start (arg=0x2314630) at thread/qthread_unix.cpp:266
#9  0x00007fc7291acae3 in ?? () from /usr/lib/nvidia-current/libGL.so.1
#10 0x00007fc72602f971 in start_thread (arg=<value optimized out>) at pthread_create.c:304
#11 0x00007fc730bd792d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fc7312ba7a0 (LWP 6103)):
[KCrash Handler]
#6  0x00007fc72d8c0694 in QGraphicsLayoutItem::setParentLayoutItem (this=0x18c8630, parent=0x0) at graphicsview/qgraphicslayoutitem.cpp:793
#7  0x00007fc72d8c1c8a in QGraphicsLinearLayout::removeAt (this=0x19bc890, index=<value optimized out>) at graphicsview/qgraphicslinearlayout.cpp:334
#8  0x00007fc72d8c1d3c in QGraphicsLinearLayout::~QGraphicsLinearLayout (this=0x19bc890, __in_chrg=<value optimized out>) at graphicsview/qgraphicslinearlayout.cpp:212
#9  0x00007fc72d8c1d60 in QGraphicsLinearLayout::~QGraphicsLinearLayout (this=0x1916f90, __in_chrg=<value optimized out>) at graphicsview/qgraphicslinearlayout.cpp:216
#10 0x00007fc72d907f94 in QGraphicsWidget::~QGraphicsWidget (this=0x1ebb660, __in_chrg=<value optimized out>) at graphicsview/qgraphicswidget.cpp:272
#11 0x00007fc7307e88b5 in Plasma::TabBar::~TabBar (this=0x1ebb660, __in_chrg=<value optimized out>) at ../../plasma/widgets/tabbar.cpp:272
#12 0x00007fc72d8aa1df in QGraphicsItem::~QGraphicsItem (this=0x2aca070, __in_chrg=<value optimized out>) at graphicsview/qgraphicsitem.cpp:1462
#13 0x00007fc72d908090 in ~QGraphicsObject (this=0x2aca060, __in_chrg=<value optimized out>) at ../../include/QtGui/../../src/gui/graphicsview/qgraphicsitem.h:547
#14 QGraphicsWidget::~QGraphicsWidget (this=0x2aca060, __in_chrg=<value optimized out>) at graphicsview/qgraphicswidget.cpp:277
#15 0x00007fc70a6c4be5 in BackgroundWidget::~BackgroundWidget (this=0x2aca060, __in_chrg=<value optimized out>) at ../../../applets/weather/weatherapplet.cpp:63
#16 0x00007fc72d8aa1df in QGraphicsItem::~QGraphicsItem (this=0x1e28b40, __in_chrg=<value optimized out>) at graphicsview/qgraphicsitem.cpp:1462
#17 0x00007fc72d908090 in ~QGraphicsObject (this=0x1e28b30, __in_chrg=<value optimized out>) at ../../include/QtGui/../../src/gui/graphicsview/qgraphicsitem.h:547
#18 QGraphicsWidget::~QGraphicsWidget (this=0x1e28b30, __in_chrg=<value optimized out>) at graphicsview/qgraphicswidget.cpp:277
#19 0x00007fc7306ce0cb in Plasma::Applet::~Applet (this=0x1e28b30, __in_chrg=<value optimized out>) at ../../plasma/applet.cpp:224
#20 0x00007fc70a6b8597 in WeatherApplet::~WeatherApplet (this=0x1e28b30, __in_chrg=<value optimized out>) at ../../../applets/weather/weatherapplet.cpp:207
#21 0x00007fc7306eb62f in qDeleteAll<QList<Plasma::Applet*>::const_iterator> (this=0x1984aa0, __in_chrg=<value optimized out>) at /usr/include/qt4/QtCore/qalgorithms.h:322
#22 qDeleteAll<QList<Plasma::Applet*> > (this=0x1984aa0, __in_chrg=<value optimized out>) at /usr/include/qt4/QtCore/qalgorithms.h:330
#23 ~ContainmentPrivate (this=0x1984aa0, __in_chrg=<value optimized out>) at ../../plasma/private/containment_p.h:69
#24 Plasma::Containment::~Containment (this=0x1984aa0, __in_chrg=<value optimized out>) at ../../plasma/containment.cpp:148
#25 0x00007fc70f6af1e9 in DefaultDesktop::~DefaultDesktop (this=0x18c8630, __in_chrg=<value optimized out>) at ../../../../../plasma/desktop/containments/desktop/desktop.cpp:55
#26 0x00007fc7306fb58f in qDeleteAll<QList<Plasma::Containment*>::const_iterator> (this=0x144e990, __in_chrg=<value optimized out>) at /usr/include/qt4/QtCore/qalgorithms.h:322
#27 qDeleteAll<QList<Plasma::Containment*> > (this=0x144e990, __in_chrg=<value optimized out>) at /usr/include/qt4/QtCore/qalgorithms.h:330
#28 ~CoronaPrivate (this=0x144e990, __in_chrg=<value optimized out>) at ../../plasma/corona.cpp:84
#29 Plasma::Corona::~Corona (this=0x144e990, __in_chrg=<value optimized out>) at ../../plasma/corona.cpp:315
#30 0x00007fc730ea8814 in DesktopCorona::~DesktopCorona (this=0x144e990, __in_chrg=<value optimized out>) at ../../../../plasma/desktop/shell/desktopcorona.cpp:73
#31 0x00007fc730ecc796 in PlasmaApp::cleanup (this=0x1364d40) at ../../../../plasma/desktop/shell/plasmaapp.cpp:368
#32 0x00007fc730ed298d in PlasmaApp::qt_metacall (this=0x1364d40, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff796ffac0) at ./plasmaapp.moc:157
#33 0x00007fc72df39b27 in QMetaObject::activate (sender=0x1364d40, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x0) at kernel/qobject.cpp:3280
#34 0x00007fc72df24ee3 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1014
#35 0x00007fc730eb5ca3 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../plasma/desktop/shell/main.cpp:118
#36 0x00007fc730b0fd8e 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=0x7fff796ffee8) at libc-start.c:226
#37 0x0000000000400669 in _start ()

This bug may be a duplicate of or related to bug 258867.

Possible duplicates by query: bug 262976, bug 262838, bug 262360, bug 261855, bug 261804.

Reported using DrKonqi