Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.00 (4.7.0) "release 10"
Qt Version: 4.7.4
Operating System: Linux 2.6.39.4 x86_64
Distribution: "openSUSE 11.4 (x86_64)"

-- Information about the crash:
After closing almost all programs except Superkaramba and kopete shutdown button leads to crash. Not sure wheter "Main Menu"->Quit->Shutdown leads to same crash. 
KDE stops and is not able to shutdown normaly. Shutdown has to be done by a) login in a second time on a different shell, or b) using console with init 0 or similar.

-- Backtrace:
Application: Plasma-Desktop-Umgebung (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f44b9146760 (LWP 3172))]

Thread 2 (Thread 0x7f448560e700 (LWP 3180)):
#0  0x00007f44b7a3d67e in __pthread_mutex_unlock_usercnt () from /lib64/libpthread.so.0
#1  0x00007f44b360f1b3 in ?? () from /lib64/libglib-2.0.so.0
#2  0x00007f44b360f650 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#3  0x00007f44b7dde636 in QEventDispatcherGlib::processEvents (this=0x179fcf0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f44b7db2c22 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f44b7db2e35 in QEventLoop::exec (this=0x7f448560dd20, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f44b7cc7be4 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:498
#7  0x00007f44b7d94358 in QInotifyFileSystemWatcherEngine::run (this=0x1743840) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f44b7cca4d5 in QThreadPrivate::start (arg=0x1743840) at thread/qthread_unix.cpp:331
#9  0x00007f44aa1c256c in ?? () from /usr/lib64/libGL.so.1
#10 0x00007f44b7a39a3f in start_thread () from /lib64/libpthread.so.0
#11 0x00007f44b67e967d in clone () from /lib64/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f44b9146760 (LWP 3172)):
[KCrash Handler]
#6  0x0000000000000000 in ?? ()
#7  0x00007f449d392ea6 in TaskGroupItem::~TaskGroupItem() () from /usr/lib64/kde4/plasma_applet_tasks.so
#8  0x00007f449d392f59 in TaskGroupItem::~TaskGroupItem() () from /usr/lib64/kde4/plasma_applet_tasks.so
#9  0x00007f44b7dc77d8 in QObject::event (this=0x21363a0, e=<value optimized out>) at kernel/qobject.cpp:1209
#10 0x00007f44b757887b in QGraphicsWidget::event (this=0x21363a0, event=0x1ae4ed0) at graphicsview/qgraphicswidget.cpp:1455
#11 0x00007f44b6f59264 in QApplicationPrivate::notify_helper (this=0x715150, receiver=0x21363a0, e=0x1ae4ed0) at kernel/qapplication.cpp:4481
#12 0x00007f44b6f6181a in QApplication::notify (this=<value optimized out>, receiver=0x21363a0, e=0x1ae4ed0) at kernel/qapplication.cpp:4360
#13 0x00007f44b8b3c736 in KApplication::notify(QObject*, QEvent*) () from /usr/lib64/libkdeui.so.5
#14 0x00007f44b7db37cc in QCoreApplication::notifyInternal (this=0x6fa2f0, receiver=0x21363a0, event=0x1ae4ed0) at kernel/qcoreapplication.cpp:787
#15 0x00007f44b7db6fc5 in sendEvent (receiver=0x0, event_type=52, data=0x615a70) at kernel/qcoreapplication.h:215
#16 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=52, data=0x615a70) at kernel/qcoreapplication.cpp:1428
#17 0x00007f44b7db72be in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1071
#18 0x00007f44a660d25d in kdemain () from /usr/lib64/libkdeinit4_plasma-desktop.so
#19 0x0000000000407279 in launch(int, char const*, char const*, char const*, int, char const*, bool, char const*, bool, char const*) ()
#20 0x0000000000407dfd in handle_launcher_request(int, char const*) ()
#21 0x000000000040859a in handle_requests(int) ()
#22 0x00000000004091f0 in main ()

This bug may be a duplicate of or related to bug 275286.

Possible duplicates by query: bug 281673, bug 281638, bug 281559, bug 280833, bug 280709.

Reported using DrKonqi