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 i686
Distribution: Ubuntu 11.10

-- Information about the crash:
- What I was doing when the application crashed:

During shutdown, plasma crashes - sometimes.
Suggested duplicate reports refer to closing multiple grouped  windows; that's NOT what I'm during. I generally have only 3 windows open: Firefox, Dolpin, Kontact.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
[Current thread is 1 (Thread 0xb6ac7730 (LWP 1631))]

Thread 4 (Thread 0xb09bab70 (LWP 1632)):
#0  0x015070d8 in timerSourceCheck (source=0x9bec990) at kernel/qeventdispatcher_glib.cpp:175
#1  0x0405df24 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0x0405e8f0 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x0405ec2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x01506b37 in QEventDispatcherGlib::processEvents (this=0x9bec3a8, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#5  0x014d71dd in QEventLoop::processEvents (this=0xb09ba290, flags=...) at kernel/qeventloop.cpp:149
#6  0x014d7421 in QEventLoop::exec (this=0xb09ba290, flags=...) at kernel/qeventloop.cpp:201
#7  0x013da90b in QThread::exec (this=0x9acbbe8) at thread/qthread.cpp:498
#8  0x014b7e2d in QInotifyFileSystemWatcherEngine::run (this=0x9acbbe8) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x013dd7b3 in QThreadPrivate::start (arg=0x9acbbe8) at thread/qthread_unix.cpp:331
#10 0x03fb4d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#11 0x003780ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 3 (Thread 0xaf091b70 (LWP 1633)):
#0  0x03fb7df0 in pthread_mutex_unlock () from /lib/i386-linux-gnu/libpthread.so.0
#1  0x00385f54 in pthread_mutex_unlock () from /lib/i386-linux-gnu/libc.so.6
#2  0x0405cf16 in g_main_context_acquire () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x0405e56d in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x0405ec2a in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x01506b37 in QEventDispatcherGlib::processEvents (this=0xa11e190, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#6  0x014d71dd in QEventLoop::processEvents (this=0xaf091290, flags=...) at kernel/qeventloop.cpp:149
#7  0x014d7421 in QEventLoop::exec (this=0xaf091290, flags=...) at kernel/qeventloop.cpp:201
#8  0x013da90b in QThread::exec (this=0xa104038) at thread/qthread.cpp:498
#9  0x014b7e2d in QInotifyFileSystemWatcherEngine::run (this=0xa104038) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x013dd7b3 in QThreadPrivate::start (arg=0xa104038) at thread/qthread_unix.cpp:331
#11 0x03fb4d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#12 0x003780ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 2 (Thread 0xad83cb70 (LWP 1639)):
#0  0x0405ceb7 in g_main_context_acquire () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0x0405e56d in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0x0405ef9b in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x060eacea in ?? () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0
#4  0x040855f4 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0x03fb4d31 in start_thread () from /lib/i386-linux-gnu/libpthread.so.0
#6  0x003780ce in clone () from /lib/i386-linux-gnu/libc.so.6
Backtrace stopped: Not enough registers or memory available to unwind further

Thread 1 (Thread 0xb6ac7730 (LWP 1631)):
[KCrash Handler]
#7  0x3fe33333 in ?? ()
#8  0x086f696f in TaskGroupItem::~TaskGroupItem (this=0xabb9d68, __in_chrg=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:82
#9  0x086f6a42 in TaskGroupItem::~TaskGroupItem (this=0xabb9d68, __in_chrg=<optimized out>) at ../../../../../plasma/desktop/applets/tasks/taskgroupitem.cpp:83
#10 0x014eb5f3 in qDeleteInEventHandler (o=0xabb9d68) at kernel/qobject.cpp:3986
#11 0x014f0b80 in QObject::event (this=0xabb9d68, e=0xa1a3ed8) at kernel/qobject.cpp:1200
#12 0x01e29bd4 in QGraphicsWidget::event (this=0xabb9d68, event=0xa1a3ed8) at graphicsview/qgraphicswidget.cpp:1455
#13 0x0176ad54 in notify_helper (e=0xa1a3ed8, receiver=0xabb9d68, this=0x9762e10) at kernel/qapplication.cpp:4486
#14 QApplicationPrivate::notify_helper (this=0x9762e10, receiver=0xabb9d68, e=0xa1a3ed8) at kernel/qapplication.cpp:4458
#15 0x01770103 in QApplication::notify (this=0xa1a3ed8, receiver=0xabb9d68, e=0xa1a3ed8) at kernel/qapplication.cpp:3886
#16 0x01120681 in KApplication::notify (this=0x9756238, receiver=0xabb9d68, event=0xa1a3ed8) at ../../kdeui/kernel/kapplication.cpp:311
#17 0x014d819e in QCoreApplication::notifyInternal (this=0x9756238, receiver=0xabb9d68, event=0xa1a3ed8) at kernel/qcoreapplication.cpp:787
#18 0x014dbf93 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#19 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=52, data=0x97172e0) at kernel/qcoreapplication.cpp:1428
#20 0x014dc0ec in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=52) at kernel/qcoreapplication.cpp:1321
#21 0x014dc1d3 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1071
#22 0x017688f4 in QApplication::exec () at kernel/qapplication.cpp:3760
#23 0x00d5b18b in kdemain (argc=1, argv=0xbfff45c4) at ../../../../plasma/desktop/shell/main.cpp:120
#24 0x0804850b in main (argc=1, argv=0xbfff45c4) at plasma-desktop_dummy.cpp:3

Possible duplicates by query: bug 287010, bug 287006, bug 286892, bug 286733, bug 286630.

Reported using DrKonqi