Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.2 (4.7.2)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-13-generic x86_64
Distribution: Ubuntu 11.10

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

* Login in KDE
* Crash Plasma
* Immediately return to login
* Often the crash are more than one

The crash can be reproduced some of the time.

-- Backtrace:
Application: Shell del desktop di Plasma (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f09130477a0 (LWP 2005))]

Thread 6 (Thread 0x7f08f5471700 (LWP 2006)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f090cb21fe2 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f090cb22019 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f09079c2efc in start_thread (arg=0x7f08f5471700) at pthread_create.c:304
#4  0x00007f091293689d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f08ed977700 (LWP 2007)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007f08ed976ad0 in ?? ()
#2  0x00007fffff5f97e7 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 4 (Thread 0x7f08e74bc700 (LWP 2009)):
#0  0x00007f09079c61fd in __pthread_mutex_unlock_usercnt (mutex=<optimized out>, decr=<optimized out>) at pthread_mutex_unlock.c:52
#1  __pthread_mutex_unlock (mutex=0x332e378) at pthread_mutex_unlock.c:290
#2  0x00007f0906eb5f5c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f0906eb6792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f08e7d7c516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#5  0x00007f0906edb2b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f09079c2efc in start_thread (arg=0x7f08e74bc700) at pthread_create.c:304
#7  0x00007f091293689d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f08e1e2f700 (LWP 2016)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f090dfc4c2c in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f090dfc4d59 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f09079c2efc in start_thread (arg=0x7f08e1e2f700) at pthread_create.c:304
#4  0x00007f091293689d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f08e162e700 (LWP 2017)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007f08e162db50 in ?? ()
#2  0x00007fffff5f97e7 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 1 (Thread 0x7f09130477a0 (LWP 2005)):
[KCrash Handler]
#6  QList (this=0x7fffff466a20, l=<optimized out>) at /usr/include/qt4/QtCore/qlist.h:118
#7  QForeachContainer (t=<optimized out>, this=0x7fffff466a20) at /usr/include/qt4/QtCore/qglobal.h:2253
#8  TaskModel::listUpdate (this=0x2c3b4c0, listId=70321754) at ../../../applets/rememberthemilk/taskmodel.cpp:245
#9  0x00007f08f44ee0a0 in RememberTheMilkPlasmoid::dataUpdated (this=0x2cc8820, name=<optimized out>, data=...) at ../../../applets/rememberthemilk/rememberthemilk-plasmoid.cpp:209
#10 0x00007f08f44ee95e in RememberTheMilkPlasmoid::qt_metacall (this=0x2cc8820, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffff466e40) at ./rememberthemilk-plasmoid.moc:100
#11 0x00007f090fb04eba in QMetaObject::activate (sender=0x4012b40, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffff466e40) at kernel/qobject.cpp:3278
#12 0x00007f091245c9f7 in Plasma::DataContainer::dataUpdated (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>) at ./datacontainer.moc:112
#13 0x00007f091245cece in Plasma::DataContainer::checkForUpdate (this=0x4012b40) at ../../plasma/datacontainer.cpp:297
#14 0x00007f08e057602c in ListsSource::qt_metacall (this=0x4012b40, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffff466f30) at ./listssource.moc:79
#15 0x00007f090fb04eba in QMetaObject::activate (sender=0x392cbe0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#16 0x00007f08e033541d in completeListChanges (this=<optimized out>) at ../../../libs/rtm/session_p.h:190
#17 applyChanges (this=0x31130a0) at ../../../libs/rtm/session_p.h:200
#18 RTM::SessionPrivate::smartListReply (this=0x31130a0, reply=0x435db20) at ../../../libs/rtm/session_p.h:221
#19 0x00007f08e0333e90 in RTM::Session::qt_metacall (this=0x392cbe0, _c=QMetaObject::InvokeMetaMethod, _id=19, _a=0x7fffff467560) at ./session.moc:133
#20 0x00007f090fb04eba in QMetaObject::activate (sender=0x435db20, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffff467560) at kernel/qobject.cpp:3278
#21 0x00007f08e033153f in RTM::Request::replyReceived (this=<optimized out>, _t1=0x435db20) at moc_request.cpp:98
#22 0x00007f08e033b1b3 in RTM::Request::finished (this=0x435db20, job=0x433f4e0) at ../../../libs/rtm/request.cpp:109
#23 0x00007f08e0331684 in RTM::Request::qt_metacall (this=0x435db20, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffff467790) at moc_request.cpp:86
#24 0x00007f090fb04eba in QMetaObject::activate (sender=0x433f4e0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffff467790) at kernel/qobject.cpp:3278
#25 0x00007f09101d05b2 in KJob::result (this=<optimized out>, _t1=0x433f4e0) at ./kjob.moc:194
#26 0x00007f09101d05f0 in KJob::emitResult (this=0x433f4e0) at ../../kdecore/jobs/kjob.cpp:312
#27 0x00007f0911f8e2c4 in KIO::SimpleJob::slotFinished (this=0x433f4e0) at ../../kio/kio/job.cpp:494
#28 0x00007f0911f95c9d in KIO::TransferJob::slotFinished (this=0x433f4e0) at ../../kio/kio/job.cpp:1081
#29 0x00007f0911f94601 in KIO::TransferJob::qt_metacall (this=0x433f4e0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffff467b40) at ./jobclasses.moc:369
#30 0x00007f090fb04eba in QMetaObject::activate (sender=0x3d1ff70, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#31 0x00007f091203a9c1 in KIO::SlaveInterface::dispatch (this=<optimized out>, _cmd=104, rawdata=...) at ../../kio/kio/slaveinterface.cpp:172
#32 0x00007f0912037875 in KIO::SlaveInterface::dispatch (this=0x3d1ff70) at ../../kio/kio/slaveinterface.cpp:88
#33 0x00007f091202aace in KIO::Slave::gotInput (this=0x3d1ff70) at ../../kio/kio/slave.cpp:344
#34 0x00007f091202b22c in KIO::Slave::qt_metacall (this=0x3d1ff70, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffff467f70) at ./slave.moc:82
#35 0x00007f090fb04eba in QMetaObject::activate (sender=0x3d6a340, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#36 0x00007f0911f5f3a7 in dequeue (this=<optimized out>) at ../../kio/kio/connection.cpp:82
#37 KIO::ConnectionPrivate::dequeue (this=0x3dda2d0) at ../../kio/kio/connection.cpp:71
#38 0x00007f0911f5f44d in KIO::Connection::qt_metacall (this=0x3d6a340, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x4372e60) at ./connection.moc:79
#39 0x00007f090fb08a5e in QObject::event (this=0x3d6a340, e=<optimized out>) at kernel/qobject.cpp:1217
#40 0x00007f090eea2424 in notify_helper (e=0x43a9580, receiver=0x3d6a340, this=0x24d6ea0) at kernel/qapplication.cpp:4486
#41 QApplicationPrivate::notify_helper (this=0x24d6ea0, receiver=0x3d6a340, e=0x43a9580) at kernel/qapplication.cpp:4458
#42 0x00007f090eea7291 in QApplication::notify (this=0x24cb3d0, receiver=0x3d6a340, e=0x43a9580) at kernel/qapplication.cpp:4365
#43 0x00007f09107a0126 in KApplication::notify (this=0x24cb3d0, receiver=0x3d6a340, event=0x43a9580) at ../../kdeui/kernel/kapplication.cpp:311
#44 0x00007f090faf1afc in QCoreApplication::notifyInternal (this=0x24cb3d0, receiver=0x3d6a340, event=0x43a9580) at kernel/qcoreapplication.cpp:787
#45 0x00007f090faf551f in sendEvent (event=0x43a9580, receiver=0x3d6a340) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#46 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x245d430) at kernel/qcoreapplication.cpp:1428
#47 0x00007f090fb1ca73 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#48 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:277
#49 0x00007f0906eb5a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#50 0x00007f0906eb6258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#51 0x00007f0906eb6429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#52 0x00007f090fb1ced6 in QEventDispatcherGlib::processEvents (this=0x245ef40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#53 0x00007f090ef4a07e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#54 0x00007f090faf0cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#55 0x00007f090faf0ef7 in QEventLoop::exec (this=0x7fffff4687b0, flags=...) at kernel/qeventloop.cpp:201
#56 0x00007f090faf5789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#57 0x00007f0912c351a3 in kdemain (argc=1, argv=0x7fffff468b98) at ../../../../plasma/desktop/shell/main.cpp:120
#58 0x00007f091287630d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fffff468b98, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffff468b88) at libc-start.c:226
#59 0x0000000000400671 in _start ()

Possible duplicates by query: bug 284897, bug 284353, bug 281404, bug 280856.

Reported using DrKonqi