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:
Simply login.
I noted another error related to nepomuk (next backtrack)

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 0x7f78f7dc87a0 (LWP 3289))]

Thread 6 (Thread 0x7f78d9753700 (LWP 3290)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f78f18a2fe2 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f78f18a3019 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f78ec743efc in start_thread (arg=0x7f78d9753700) at pthread_create.c:304
#4  0x00007f78f76b789d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f78d5595700 (LWP 3293)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007f78d5594ad0 in ?? ()
#2  0x00007fffaeb797e7 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 4 (Thread 0x7f78c9811700 (LWP 3295)):
#0  0x00007f78ec74603e in __pthread_mutex_lock (mutex=0x198d8c8) at pthread_mutex_lock.c:62
#1  0x00007f78ebc35649 in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f78ebc36d81 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f78ebc37792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f78ca2ef516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#5  0x00007f78ebc5c2b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f78ec743efc in start_thread (arg=0x7f78c9811700) at pthread_create.c:304
#7  0x00007f78f76b789d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#8  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f78c4e2b700 (LWP 3302)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f78f2d45c2c in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007f78f2d45d59 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007f78ec743efc in start_thread (arg=0x7f78c4e2b700) at pthread_create.c:304
#4  0x00007f78f76b789d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f78c462a700 (LWP 3303)):
#0  0x00007f78f76ab773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f78ebc36f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f78ebc37429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f78f489df3e in QEventDispatcherGlib::processEvents (this=0x1e2cfa0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f78f4871cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f78f4871ef7 in QEventLoop::exec (this=0x7f78c4629de0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f78f478927f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f78f478bd05 in QThreadPrivate::start (arg=0x1e2c350) at thread/qthread_unix.cpp:331
#8  0x00007f78ec743efc in start_thread (arg=0x7f78c462a700) at pthread_create.c:304
#9  0x00007f78f76b789d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f78f7dc87a0 (LWP 3289)):
[KCrash Handler]
#6  QList (this=0x7fffaeb07b10, l=<optimized out>) at /usr/include/qt4/QtCore/qlist.h:118
#7  QForeachContainer (t=<optimized out>, this=0x7fffaeb07b10) at /usr/include/qt4/QtCore/qglobal.h:2253
#8  TaskModel::listUpdate (this=0x1e55be0, listId=38300890) at ../../../applets/rememberthemilk/taskmodel.cpp:245
#9  0x00007f78d87ae0a0 in RememberTheMilkPlasmoid::dataUpdated (this=0x11215e0, name=<optimized out>, data=...) at ../../../applets/rememberthemilk/rememberthemilk-plasmoid.cpp:209
#10 0x00007f78d87ae95e in RememberTheMilkPlasmoid::qt_metacall (this=0x11215e0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffaeb07f30) at ./rememberthemilk-plasmoid.moc:100
#11 0x00007f78f4885eba in QMetaObject::activate (sender=0x184c660, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffaeb07f30) at kernel/qobject.cpp:3278
#12 0x00007f78f71dd9f7 in Plasma::DataContainer::dataUpdated (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>) at ./datacontainer.moc:112
#13 0x00007f78f71ddece in Plasma::DataContainer::checkForUpdate (this=0x184c660) at ../../plasma/datacontainer.cpp:297
#14 0x00007f78c35aa02c in ListsSource::qt_metacall (this=0x184c660, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffaeb08020) at ./listssource.moc:79
#15 0x00007f78f4885eba in QMetaObject::activate (sender=0x1e6fbd0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#16 0x00007f78c338d41d in completeListChanges (this=<optimized out>) at ../../../libs/rtm/session_p.h:190
#17 applyChanges (this=0x1e61460) at ../../../libs/rtm/session_p.h:200
#18 RTM::SessionPrivate::smartListReply (this=0x1e61460, reply=0x248b290) at ../../../libs/rtm/session_p.h:221
#19 0x00007f78c338be90 in RTM::Session::qt_metacall (this=0x1e6fbd0, _c=QMetaObject::InvokeMetaMethod, _id=19, _a=0x7fffaeb08650) at ./session.moc:133
#20 0x00007f78f4885eba in QMetaObject::activate (sender=0x248b290, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffaeb08650) at kernel/qobject.cpp:3278
#21 0x00007f78c338953f in RTM::Request::replyReceived (this=<optimized out>, _t1=0x248b290) at moc_request.cpp:98
#22 0x00007f78c33931b3 in RTM::Request::finished (this=0x248b290, job=0x2213ec0) at ../../../libs/rtm/request.cpp:109
#23 0x00007f78c3389684 in RTM::Request::qt_metacall (this=0x248b290, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffaeb08880) at moc_request.cpp:86
#24 0x00007f78f4885eba in QMetaObject::activate (sender=0x2213ec0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fffaeb08880) at kernel/qobject.cpp:3278
#25 0x00007f78f4f515b2 in KJob::result (this=<optimized out>, _t1=0x2213ec0) at ./kjob.moc:194
#26 0x00007f78f4f515f0 in KJob::emitResult (this=0x2213ec0) at ../../kdecore/jobs/kjob.cpp:312
#27 0x00007f78f6d0f2c4 in KIO::SimpleJob::slotFinished (this=0x2213ec0) at ../../kio/kio/job.cpp:494
#28 0x00007f78f6d16c9d in KIO::TransferJob::slotFinished (this=0x2213ec0) at ../../kio/kio/job.cpp:1081
#29 0x00007f78f6d15601 in KIO::TransferJob::qt_metacall (this=0x2213ec0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffaeb08c30) at ./jobclasses.moc:369
#30 0x00007f78f4885eba in QMetaObject::activate (sender=0x1b83da0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#31 0x00007f78f6dbb9c1 in KIO::SlaveInterface::dispatch (this=<optimized out>, _cmd=104, rawdata=...) at ../../kio/kio/slaveinterface.cpp:172
#32 0x00007f78f6db8875 in KIO::SlaveInterface::dispatch (this=0x1b83da0) at ../../kio/kio/slaveinterface.cpp:88
#33 0x00007f78f6dabace in KIO::Slave::gotInput (this=0x1b83da0) at ../../kio/kio/slave.cpp:344
#34 0x00007f78f6dac22c in KIO::Slave::qt_metacall (this=0x1b83da0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fffaeb09060) at ./slave.moc:82
#35 0x00007f78f4885eba in QMetaObject::activate (sender=0x1bfa000, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#36 0x00007f78f6ce03a7 in dequeue (this=<optimized out>) at ../../kio/kio/connection.cpp:82
#37 KIO::ConnectionPrivate::dequeue (this=0x2077a90) at ../../kio/kio/connection.cpp:71
#38 0x00007f78f6ce044d in KIO::Connection::qt_metacall (this=0x1bfa000, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x245ec30) at ./connection.moc:79
#39 0x00007f78f4889a5e in QObject::event (this=0x1bfa000, e=<optimized out>) at kernel/qobject.cpp:1217
#40 0x00007f78f3c23424 in notify_helper (e=0x24ab960, receiver=0x1bfa000, this=0x7f0360) at kernel/qapplication.cpp:4486
#41 QApplicationPrivate::notify_helper (this=0x7f0360, receiver=0x1bfa000, e=0x24ab960) at kernel/qapplication.cpp:4458
#42 0x00007f78f3c28291 in QApplication::notify (this=0x7e2da0, receiver=0x1bfa000, e=0x24ab960) at kernel/qapplication.cpp:4365
#43 0x00007f78f5521126 in KApplication::notify (this=0x7e2da0, receiver=0x1bfa000, event=0x24ab960) at ../../kdeui/kernel/kapplication.cpp:311
#44 0x00007f78f4872afc in QCoreApplication::notifyInternal (this=0x7e2da0, receiver=0x1bfa000, event=0x24ab960) at kernel/qcoreapplication.cpp:787
#45 0x00007f78f487651f in sendEvent (event=0x24ab960, receiver=0x1bfa000) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#46 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x776430) at kernel/qcoreapplication.cpp:1428
#47 0x00007f78f489da73 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#48 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:277
#49 0x00007f78ebc36a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#50 0x00007f78ebc37258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#51 0x00007f78ebc37429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#52 0x00007f78f489ded6 in QEventDispatcherGlib::processEvents (this=0x777f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#53 0x00007f78f3ccb07e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#54 0x00007f78f4871cf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#55 0x00007f78f4871ef7 in QEventLoop::exec (this=0x7fffaeb098a0, flags=...) at kernel/qeventloop.cpp:201
#56 0x00007f78f4876789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#57 0x00007f78f79b61a3 in kdemain (argc=1, argv=0x7fffaeb09c88) at ../../../../plasma/desktop/shell/main.cpp:120
#58 0x00007f78f75f730d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fffaeb09c88, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffaeb09c78) at libc-start.c:226
#59 0x0000000000400671 in _start ()

This bug may be a duplicate of or related to bug 285661.

Possible duplicates by query: bug 287358, bug 286574, bug 286397, bug 285661, bug 284897.

Reported using DrKonqi