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:
At login in KDE, I've start from upper panel Firefox and Thunderbird.
During the logon KDE recalls the Home folder.

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 0x7ffe016847a0 (LWP 1898))]

Thread 6 (Thread 0x7ffde3010700 (LWP 1899)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ffdfb15efe2 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007ffdfb15f019 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007ffdf5fffefc in start_thread (arg=0x7ffde3010700) at pthread_create.c:304
#4  0x00007ffe00f7389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7ffdd5281700 (LWP 1902)):
#0  0x00007ffdf600203e in __pthread_mutex_lock (mutex=0x1744b18) at pthread_mutex_lock.c:62
#1  0x00007ffdf54f2023 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffdf54f2dfd in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffdf54f3429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffdfe159f3e in QEventDispatcherGlib::processEvents (this=0x17494c0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#5  0x00007ffdfe12dcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x00007ffdfe12def7 in QEventLoop::exec (this=0x7ffdd5280db0, flags=...) at kernel/qeventloop.cpp:201
#7  0x00007ffdfe04527f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#8  0x00007ffdfe110cbf in QInotifyFileSystemWatcherEngine::run (this=0x1728680) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00007ffdfe047d05 in QThreadPrivate::start (arg=0x1728680) at thread/qthread_unix.cpp:331
#10 0x00007ffdf5fffefc in start_thread (arg=0x7ffdd5281700) at pthread_create.c:304
#11 0x00007ffe00f7389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7ffdd2e90700 (LWP 1904)):
#0  0x00007ffe00f67773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007ffdf54f2f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffdf54f3792 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffdd396e516 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007ffdf55182b6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffdf5fffefc in start_thread (arg=0x7ffdd2e90700) at pthread_create.c:304
#6  0x00007ffe00f7389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7ffdce4aa700 (LWP 1911)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007ffdfc601c2c in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#2  0x00007ffdfc601d59 in ?? () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#3  0x00007ffdf5fffefc in start_thread (arg=0x7ffdce4aa700) at pthread_create.c:304
#4  0x00007ffe00f7389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7ffdcdba9700 (LWP 1912)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007ffdcdba8b20 in ?? ()
#2  0x00007fff6e5ff7e7 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 1 (Thread 0x7ffe016847a0 (LWP 1898)):
[KCrash Handler]
#6  QList (this=0x7fff6e581f80, l=<optimized out>) at /usr/include/qt4/QtCore/qlist.h:118
#7  QForeachContainer (t=<optimized out>, this=0x7fff6e581f80) at /usr/include/qt4/QtCore/qglobal.h:2253
#8  TaskModel::listUpdate (this=0x1d70520, listId=926828) at ../../../applets/rememberthemilk/taskmodel.cpp:245
#9  0x00007ffde206e0a0 in RememberTheMilkPlasmoid::dataUpdated (this=0x11f7f90, name=<optimized out>, data=...) at ../../../applets/rememberthemilk/rememberthemilk-plasmoid.cpp:209
#10 0x00007ffde206e95e in RememberTheMilkPlasmoid::qt_metacall (this=0x11f7f90, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff6e5823a0) at ./rememberthemilk-plasmoid.moc:100
#11 0x00007ffdfe141eba in QMetaObject::activate (sender=0x185e760, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff6e5823a0) at kernel/qobject.cpp:3278
#12 0x00007ffe00a999f7 in Plasma::DataContainer::dataUpdated (this=<optimized out>, _t1=<optimized out>, _t2=<optimized out>) at ./datacontainer.moc:112
#13 0x00007ffe00a99ece in Plasma::DataContainer::checkForUpdate (this=0x185e760) at ../../plasma/datacontainer.cpp:297
#14 0x00007ffdccb2902c in ListsSource::qt_metacall (this=0x185e760, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff6e582490) at ./listssource.moc:79
#15 0x00007ffdfe141eba in QMetaObject::activate (sender=0x1d850a0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#16 0x00007ffdcc90b16b in completeListChanges (this=<optimized out>) at ../../../libs/rtm/session_p.h:190
#17 listUpdate (reply=0x1d82970, this=0x1d74020) at ../../../libs/rtm/session_p.h:152
#18 RTM::Session::qt_metacall (this=<optimized out>, _c=<optimized out>, _id=18, _a=<optimized out>) at ./session.moc:132
#19 0x00007ffdfe141eba in QMetaObject::activate (sender=0x1d82970, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff6e582920) at kernel/qobject.cpp:3278
#20 0x00007ffdcc90853f in RTM::Request::replyReceived (this=<optimized out>, _t1=0x1d82970) at moc_request.cpp:98
#21 0x00007ffdcc9121b3 in RTM::Request::finished (this=0x1d82970, job=0x2404b60) at ../../../libs/rtm/request.cpp:109
#22 0x00007ffdcc908684 in RTM::Request::qt_metacall (this=0x1d82970, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff6e582b50) at moc_request.cpp:86
#23 0x00007ffdfe141eba in QMetaObject::activate (sender=0x2404b60, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff6e582b50) at kernel/qobject.cpp:3278
#24 0x00007ffdfe80d5b2 in KJob::result (this=<optimized out>, _t1=0x2404b60) at ./kjob.moc:194
#25 0x00007ffdfe80d5f0 in KJob::emitResult (this=0x2404b60) at ../../kdecore/jobs/kjob.cpp:312
#26 0x00007ffe005cb2c4 in KIO::SimpleJob::slotFinished (this=0x2404b60) at ../../kio/kio/job.cpp:494
#27 0x00007ffe005d2c9d in KIO::TransferJob::slotFinished (this=0x2404b60) at ../../kio/kio/job.cpp:1081
#28 0x00007ffe005d1601 in KIO::TransferJob::qt_metacall (this=0x2404b60, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff6e582f00) at ./jobclasses.moc:369
#29 0x00007ffdfe141eba in QMetaObject::activate (sender=0x24cd630, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#30 0x00007ffe006779c1 in KIO::SlaveInterface::dispatch (this=<optimized out>, _cmd=104, rawdata=...) at ../../kio/kio/slaveinterface.cpp:172
#31 0x00007ffe00674875 in KIO::SlaveInterface::dispatch (this=0x24cd630) at ../../kio/kio/slaveinterface.cpp:88
#32 0x00007ffe00667ace in KIO::Slave::gotInput (this=0x24cd630) at ../../kio/kio/slave.cpp:344
#33 0x00007ffe0066822c in KIO::Slave::qt_metacall (this=0x24cd630, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x7fff6e583330) at ./slave.moc:82
#34 0x00007ffdfe141eba in QMetaObject::activate (sender=0xde48c0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3278
#35 0x00007ffe0059c3a7 in dequeue (this=<optimized out>) at ../../kio/kio/connection.cpp:82
#36 KIO::ConnectionPrivate::dequeue (this=0x2400e90) at ../../kio/kio/connection.cpp:71
#37 0x00007ffe0059c44d in KIO::Connection::qt_metacall (this=0xde48c0, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0xbd4020) at ./connection.moc:79
#38 0x00007ffdfe145a5e in QObject::event (this=0xde48c0, e=<optimized out>) at kernel/qobject.cpp:1217
#39 0x00007ffdfd4df424 in notify_helper (e=0x240c960, receiver=0xde48c0, this=0x8cd360) at kernel/qapplication.cpp:4486
#40 QApplicationPrivate::notify_helper (this=0x8cd360, receiver=0xde48c0, e=0x240c960) at kernel/qapplication.cpp:4458
#41 0x00007ffdfd4e4291 in QApplication::notify (this=0x8bfda0, receiver=0xde48c0, e=0x240c960) at kernel/qapplication.cpp:4365
#42 0x00007ffdfeddd126 in KApplication::notify (this=0x8bfda0, receiver=0xde48c0, event=0x240c960) at ../../kdeui/kernel/kapplication.cpp:311
#43 0x00007ffdfe12eafc in QCoreApplication::notifyInternal (this=0x8bfda0, receiver=0xde48c0, event=0x240c960) at kernel/qcoreapplication.cpp:787
#44 0x00007ffdfe13251f in sendEvent (event=0x240c960, receiver=0xde48c0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#45 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x853430) at kernel/qcoreapplication.cpp:1428
#46 0x00007ffdfe159a73 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#47 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:277
#48 0x00007ffdf54f2a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#49 0x00007ffdf54f3258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#50 0x00007ffdf54f3429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#51 0x00007ffdfe159ed6 in QEventDispatcherGlib::processEvents (this=0x854f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#52 0x00007ffdfd58707e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#53 0x00007ffdfe12dcf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#54 0x00007ffdfe12def7 in QEventLoop::exec (this=0x7fff6e583b70, flags=...) at kernel/qeventloop.cpp:201
#55 0x00007ffdfe132789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#56 0x00007ffe012721a3 in kdemain (argc=1, argv=0x7fff6e583f58) at ../../../../plasma/desktop/shell/main.cpp:120
#57 0x00007ffe00eb330d in __libc_start_main (main=0x400640 <main(int, char**)>, argc=1, ubp_av=0x7fff6e583f58, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff6e583f48) at libc-start.c:226
#58 0x0000000000400671 in _start ()

Possible duplicates by query: bug 286574, bug 286397, bug 285661, bug 284897, bug 284353.

Reported using DrKonqi