Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.2 (4.7.2) "release 5"
Qt Version: 4.7.4
Operating System: Linux 3.1.10-1.16-desktop x86_64
Distribution: "openSUSE 12.1 (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:
I closed various applications i.e. Thunderbird and Firefox and others. Then try to shut down and  a bug report comes up. This happens regulary.

The crash can be reproduced some of the time.

-- Backtrace:
Application: Plasma Desktop Shell (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f990717f760 (LWP 2968))]

Thread 2 (Thread 0x7f98e97a9700 (LWP 3011)):
#0  0x00007f99047e7ff3 in poll () from /lib64/libc.so.6
#1  0x00007f99015dba98 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f99015dbf59 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f9905df9586 in QEventDispatcherGlib::processEvents (this=0x7f98e40008c0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f9905dcda32 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f9905dcdc2f in QEventLoop::exec (this=0x7f98e97a8df0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f9905ce55df in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f9905db0aff in QInotifyFileSystemWatcherEngine::run (this=0xb4b650) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f9905ce8025 in QThreadPrivate::start (arg=0xb4b650) at thread/qthread_unix.cpp:331
#9  0x00007f9905a57f05 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f99047f110d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f990717f760 (LWP 2968)):
[KCrash Handler]
#6  0x000000000156c0fa in ?? ()
#7  0x00007f98e2681cc6 in TaskGroupItem::~TaskGroupItem (this=0x1aa27e0, __in_chrg=<optimized out>) at /usr/src/debug/kde-workspace-4.7.2/plasma/desktop/applets/tasks/taskgroupitem.cpp:82
#8  0x00007f98e2681d79 in TaskGroupItem::~TaskGroupItem (this=0x1aa27e0, __in_chrg=<optimized out>) at /usr/src/debug/kde-workspace-4.7.2/plasma/desktop/applets/tasks/taskgroupitem.cpp:83
#9  0x00007f9905de5188 in QObject::event (this=0x1aa27e0, e=<optimized out>) at kernel/qobject.cpp:1209
#10 0x00007f990559a31b in QGraphicsWidget::event (this=0x1aa27e0, event=0x1246270) at graphicsview/qgraphicswidget.cpp:1455
#11 0x00007f9904f80c34 in notify_helper (e=0x1246270, receiver=0x1aa27e0, this=0x6e63b0) at kernel/qapplication.cpp:4481
#12 QApplicationPrivate::notify_helper (this=0x6e63b0, receiver=0x1aa27e0, e=0x1246270) at kernel/qapplication.cpp:4453
#13 0x00007f9904f85ac1 in QApplication::notify (this=0x6b7e70, receiver=0x1aa27e0, e=0x1246270) at kernel/qapplication.cpp:4360
#14 0x00007f9906b60e36 in KApplication::notify (this=0x6b7e70, receiver=0x1aa27e0, event=0x1246270) at /usr/src/debug/kdelibs-4.7.2/kdeui/kernel/kapplication.cpp:311
#15 0x00007f9905dce82c in QCoreApplication::notifyInternal (this=0x6b7e70, receiver=0x1aa27e0, event=0x1246270) at kernel/qcoreapplication.cpp:787
#16 0x00007f9905dd1c08 in sendEvent (event=0x1246270, receiver=0x1aa27e0) at kernel/qcoreapplication.h:215
#17 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=52, data=0x615800) at kernel/qcoreapplication.cpp:1428
#18 0x00007f9905dd1e2e in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1071
#19 0x00007f98f4f4f773 in kdemain (argc=1, argv=0x6534f0) at /usr/src/debug/kde-workspace-4.7.2/plasma/desktop/shell/main.cpp:120
#20 0x0000000000408897 in _start ()

This bug may be a duplicate of or related to bug 303270, bug 303172.

Possible duplicates by query: bug 303270, bug 303172, bug 303164, bug 302695, bug 301865.

Reported using DrKonqi