Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.2 (4.7.2) "release 5" (Compiled from sources)
Qt Version: 4.7.4
Operating System: Linux 3.1.0-1.2-desktop x86_64
Distribution: "openSUSE 12.1 (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:  Just as I clicked shutdown the crash report displayed.  This happens on every shutdown or restart.  OS Up time does not matter.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma Desktop Shell (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f620103a760 (LWP 5351))]

Thread 10 (Thread 0x7f61dec7e700 (LWP 5353)):
#0  0x00007f61fe69f423 in poll () from /lib64/libc.so.6
#1  0x00007f61fb494a98 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f61fb494f59 in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f61ffcb1576 in QEventDispatcherGlib::processEvents (this=0x7f61d80008c0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f61ffc85a22 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f61ffc85c1f in QEventLoop::exec (this=0x7f61dec7ddf0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f61ffb9d5df in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f61ffc68aef in QInotifyFileSystemWatcherEngine::run (this=0xfb1e10) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f61ffba0025 in QThreadPrivate::start (arg=0xfb1e10) at thread/qthread_unix.cpp:331
#9  0x00007f61ff90ff05 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f61fe6a853d in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7f61cffff700 (LWP 11339)):
#0  0x00007f61ff913e6c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f61ffba04bb in wait (time=18446744073709551615, this=0x100e080) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x100cb50, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f61f39ca104 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1002f80, th=0x726770) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f61f39cc6ab in ThreadWeaver::WorkingHardState::applyForWork (this=0x100c2b0, th=0x726770) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f61f39cb56f in ThreadWeaver::ThreadRunHelper::run (this=0x7f61cfffee40, parent=0x1002f80, th=0x726770) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/Thread.cpp:87
#6  0x00007f61f39cb5fb in ThreadWeaver::Thread::run (this=0x726770) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/Thread.cpp:142
#7  0x00007f61ffba0025 in QThreadPrivate::start (arg=0x726770) at thread/qthread_unix.cpp:331
#8  0x00007f61ff90ff05 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f61fe6a853d in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7f61dd7b7700 (LWP 11340)):
#0  0x00007f61ff913e6c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f61ffba04bb in wait (time=18446744073709551615, this=0x100e080) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x100cb50, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f61f39ca104 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1002f80, th=0x18b92d0) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f61f39cc6ab in ThreadWeaver::WorkingHardState::applyForWork (this=0x100c2b0, th=0x18b92d0) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f61f39cc6c4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x100c2b0, th=0x18b92d0) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f61f39cb56f in ThreadWeaver::ThreadRunHelper::run (this=0x7f61dd7b6e40, parent=0x1002f80, th=0x18b92d0) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/Thread.cpp:87
#7  0x00007f61f39cb5fb in ThreadWeaver::Thread::run (this=0x18b92d0) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/Thread.cpp:142
#8  0x00007f61ffba0025 in QThreadPrivate::start (arg=0x18b92d0) at thread/qthread_unix.cpp:331
#9  0x00007f61ff90ff05 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f61fe6a853d in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f61ce5a0700 (LWP 11341)):
#0  0x00007f61ff913e6c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f61ffba04bb in wait (time=18446744073709551615, this=0x100e080) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x100cb50, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f61f39ca104 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1002f80, th=0x13e76c0) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f61f39cc6ab in ThreadWeaver::WorkingHardState::applyForWork (this=0x100c2b0, th=0x13e76c0) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f61f39cb56f in ThreadWeaver::ThreadRunHelper::run (this=0x7f61ce59fe40, parent=0x1002f80, th=0x13e76c0) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/Thread.cpp:87
#6  0x00007f61f39cb5fb in ThreadWeaver::Thread::run (this=0x13e76c0) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/Thread.cpp:142
#7  0x00007f61ffba0025 in QThreadPrivate::start (arg=0x13e76c0) at thread/qthread_unix.cpp:331
#8  0x00007f61ff90ff05 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f61fe6a853d in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f61cdd9f700 (LWP 11342)):
#0  0x00007f61ff913e6c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f61ffba04bb in wait (time=18446744073709551615, this=0x100e080) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x100cb50, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f61f39ca104 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1002f80, th=0x162c7a0) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f61f39cc6ab in ThreadWeaver::WorkingHardState::applyForWork (this=0x100c2b0, th=0x162c7a0) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f61f39cb56f in ThreadWeaver::ThreadRunHelper::run (this=0x7f61cdd9ee40, parent=0x1002f80, th=0x162c7a0) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/Thread.cpp:87
#6  0x00007f61f39cb5fb in ThreadWeaver::Thread::run (this=0x162c7a0) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/Thread.cpp:142
#7  0x00007f61ffba0025 in QThreadPrivate::start (arg=0x162c7a0) at thread/qthread_unix.cpp:331
#8  0x00007f61ff90ff05 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f61fe6a853d in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f61cd59e700 (LWP 11343)):
#0  0x00007f61ff913e6c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f61ffba04bb in wait (time=18446744073709551615, this=0x100e080) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x100cb50, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f61f39ca104 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1002f80, th=0x17c84f0) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f61f39cc6ab in ThreadWeaver::WorkingHardState::applyForWork (this=0x100c2b0, th=0x17c84f0) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f61f39cc6c4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x100c2b0, th=0x17c84f0) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f61f39cb56f in ThreadWeaver::ThreadRunHelper::run (this=0x7f61cd59de40, parent=0x1002f80, th=0x17c84f0) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/Thread.cpp:87
#7  0x00007f61f39cb5fb in ThreadWeaver::Thread::run (this=0x17c84f0) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/Thread.cpp:142
#8  0x00007f61ffba0025 in QThreadPrivate::start (arg=0x17c84f0) at thread/qthread_unix.cpp:331
#9  0x00007f61ff90ff05 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f61fe6a853d in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f61ccd9d700 (LWP 11344)):
#0  0x00007f61ff913e6c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f61ffba04bb in wait (time=18446744073709551615, this=0x100e080) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x100cb50, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f61f39ca104 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1002f80, th=0x17ee6d0) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f61f39cc6ab in ThreadWeaver::WorkingHardState::applyForWork (this=0x100c2b0, th=0x17ee6d0) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f61f39cb56f in ThreadWeaver::ThreadRunHelper::run (this=0x7f61ccd9ce40, parent=0x1002f80, th=0x17ee6d0) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/Thread.cpp:87
#6  0x00007f61f39cb5fb in ThreadWeaver::Thread::run (this=0x17ee6d0) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/Thread.cpp:142
#7  0x00007f61ffba0025 in QThreadPrivate::start (arg=0x17ee6d0) at thread/qthread_unix.cpp:331
#8  0x00007f61ff90ff05 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f61fe6a853d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f61b7fff700 (LWP 11345)):
#0  0x00007f61ff913e6c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f61ffba04bb in wait (time=18446744073709551615, this=0x100e080) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x100cb50, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f61f39ca104 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1002f80, th=0x1532d50) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f61f39cc6ab in ThreadWeaver::WorkingHardState::applyForWork (this=0x100c2b0, th=0x1532d50) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f61f39cc6c4 in ThreadWeaver::WorkingHardState::applyForWork (this=0x100c2b0, th=0x1532d50) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f61f39cb56f in ThreadWeaver::ThreadRunHelper::run (this=0x7f61b7ffee40, parent=0x1002f80, th=0x1532d50) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/Thread.cpp:87
#7  0x00007f61f39cb5fb in ThreadWeaver::Thread::run (this=0x1532d50) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/Thread.cpp:142
#8  0x00007f61ffba0025 in QThreadPrivate::start (arg=0x1532d50) at thread/qthread_unix.cpp:331
#9  0x00007f61ff90ff05 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f61fe6a853d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f61b77fe700 (LWP 11346)):
#0  0x00007f61ff913e6c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f61ffba04bb in wait (time=18446744073709551615, this=0x100e080) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x100cb50, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f61f39ca104 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x1002f80, th=0x18d5fe0) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f61f39cc6ab in ThreadWeaver::WorkingHardState::applyForWork (this=0x100c2b0, th=0x18d5fe0) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f61f39cb56f in ThreadWeaver::ThreadRunHelper::run (this=0x7f61b77fde40, parent=0x1002f80, th=0x18d5fe0) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/Thread.cpp:87
#6  0x00007f61f39cb5fb in ThreadWeaver::Thread::run (this=0x18d5fe0) at /usr/src/debug/kdelibs-4.7.2/threadweaver/Weaver/Thread.cpp:142
#7  0x00007f61ffba0025 in QThreadPrivate::start (arg=0x18d5fe0) at thread/qthread_unix.cpp:331
#8  0x00007f61ff90ff05 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f61fe6a853d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f620103a760 (LWP 5351)):
[KCrash Handler]
#6  0x0000000000000000 in ?? ()
#7  0x00007f61e647ccc6 in TaskGroupItem::~TaskGroupItem (this=0x178d120, __in_chrg=<optimized out>) at /usr/src/debug/kde-workspace-4.7.2/plasma/desktop/applets/tasks/taskgroupitem.cpp:82
#8  0x00007f61e647cd79 in TaskGroupItem::~TaskGroupItem (this=0x178d120, __in_chrg=<optimized out>) at /usr/src/debug/kde-workspace-4.7.2/plasma/desktop/applets/tasks/taskgroupitem.cpp:83
#9  0x00007f61ffc9d178 in QObject::event (this=0x178d120, e=<optimized out>) at kernel/qobject.cpp:1209
#10 0x00007f61ff45231b in QGraphicsWidget::event (this=0x178d120, event=0x1049160) at graphicsview/qgraphicswidget.cpp:1455
#11 0x00007f61fee38c34 in notify_helper (e=0x1049160, receiver=0x178d120, this=0x6d4d20) at kernel/qapplication.cpp:4481
#12 QApplicationPrivate::notify_helper (this=0x6d4d20, receiver=0x178d120, e=0x1049160) at kernel/qapplication.cpp:4453
#13 0x00007f61fee3dac1 in QApplication::notify (this=0x6c7f00, receiver=0x178d120, e=0x1049160) at kernel/qapplication.cpp:4360
#14 0x00007f6200a18e36 in KApplication::notify (this=0x6c7f00, receiver=0x178d120, event=0x1049160) at /usr/src/debug/kdelibs-4.7.2/kdeui/kernel/kapplication.cpp:311
#15 0x00007f61ffc8681c in QCoreApplication::notifyInternal (this=0x6c7f00, receiver=0x178d120, event=0x1049160) at kernel/qcoreapplication.cpp:787
#16 0x00007f61ffc89bf8 in sendEvent (event=0x1049160, receiver=0x178d120) at kernel/qcoreapplication.h:215
#17 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=52, data=0x611f20) at kernel/qcoreapplication.cpp:1428
#18 0x00007f61ffc89e1e in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1071
#19 0x00007f61ee7df773 in kdemain (argc=1, argv=0x659340) 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 275286.

Possible duplicates by query: bug 291227, bug 291155, bug 290942, bug 290911, bug 290667.

Reported using DrKonqi