Application: plasma-desktop (0.4)
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.8.0
Operating System: Linux 3.1.5-2.fc16.x86_64 x86_64
Distribution: "RFRemix release 16 (Verne)"

-- Information about the crash:
- What I was doing when the application crashed:  Crash occured ANY TIME in start of Logout process. Desktop effects are switched on. Videocard is NVidia 310M, PC is Lenovo T410
OS is Fedora 16 Russian Remix

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
82	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f9ca2a3f880 (LWP 1786))]

Thread 2 (Thread 0x7f9c90d9e700 (LWP 1787)):
#0  0x0000003983ae6a43 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x0000003986644f88 in g_main_context_poll (n_fds=1, fds=0x7f9c8c002420, priority=<optimized out>, timeout=-1, context=0x7f9c8c0009c0) at gmain.c:3386
#2  g_main_context_iterate (context=0x7f9c8c0009c0, block=<optimized out>, dispatch=1, self=<optimized out>) at gmain.c:3068
#3  0x000000398664544c in g_main_context_iteration (context=0x7f9c8c0009c0, may_block=1) at gmain.c:3136
#4  0x000000398f7a6896 in QEventDispatcherGlib::processEvents (this=0x7f9c8c0008e0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:426
#5  0x000000398f776c82 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#6  0x000000398f776ed7 in QEventLoop::exec (this=0x7f9c90d9dc10, flags=...) at kernel/qeventloop.cpp:204
#7  0x000000398f678ad7 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#8  0x000000398f756a5f in QInotifyFileSystemWatcherEngine::run (this=0x1d46f40) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x000000398f67bb1b in QThreadPrivate::start (arg=0x1d46f40) at thread/qthread_unix.cpp:298
#10 0x000000399faa52da in ?? () from /usr/lib64/nvidia/libGL.so.1
#11 0x0000003984607d90 in start_thread (arg=0x7f9c90d9e700) at pthread_create.c:309
#12 0x0000003983aef3dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7f9ca2a3f880 (LWP 1786)):
[KCrash Handler]
#6  0x00000000017443b8 in ?? ()
#7  0x00007f9c8b141fc6 in TaskGroupItem::~TaskGroupItem (this=0x6c6bee0, __in_chrg=<optimized out>) at /usr/src/debug/kde-workspace-4.7.3/plasma/desktop/applets/tasks/taskgroupitem.cpp:82
#8  0x00007f9c8b142089 in TaskGroupItem::~TaskGroupItem (this=0x6c6bee0, __in_chrg=<optimized out>) at /usr/src/debug/kde-workspace-4.7.3/plasma/desktop/applets/tasks/taskgroupitem.cpp:84
#9  0x000000398f790a18 in QObject::event (this=0x6c6bee0, e=<optimized out>) at kernel/qobject.cpp:1175
#10 0x00000039929f9f1b in QGraphicsWidget::event (this=0x6c6bee0, event=0x8568590) at graphicsview/qgraphicswidget.cpp:1461
#11 0x00000039923c96f4 in notify_helper (e=0x8568590, receiver=0x6c6bee0, this=0x14e5740) at kernel/qapplication.cpp:4518
#12 QApplicationPrivate::notify_helper (this=0x14e5740, receiver=0x6c6bee0, e=0x8568590) at kernel/qapplication.cpp:4490
#13 0x00000039923ce573 in QApplication::notify (this=0x14cb970, receiver=0x6c6bee0, e=0x8568590) at kernel/qapplication.cpp:4379
#14 0x0000003993250396 in KApplication::notify (this=0x14cb970, receiver=0x6c6bee0, event=0x8568590) at /usr/src/debug/kdelibs-4.7.3/kdeui/kernel/kapplication.cpp:311
#15 0x000000398f777b4c in QCoreApplication::notifyInternal (this=0x14cb970, receiver=0x6c6bee0, event=0x8568590) at kernel/qcoreapplication.cpp:876
#16 0x000000398f77b5da in sendEvent (event=0x8568590, receiver=0x6c6bee0) at kernel/qcoreapplication.h:231
#17 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=52, data=0x146d280) at kernel/qcoreapplication.cpp:1500
#18 0x000000398f77b90c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1155
#19 0x0000003999241243 in kdemain (argc=1, argv=0x7fff123c7cd8) at /usr/src/debug/kde-workspace-4.7.3/plasma/desktop/shell/main.cpp:120
#20 0x0000003983a2169d in __libc_start_main (main=0x400850 <main(int, char**)>, argc=1, ubp_av=0x7fff123c7cd8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff123c7cc8) at libc-start.c:226
#21 0x0000000000400881 in _start ()

Possible duplicates by query: bug 289423, bug 289372, bug 289368, bug 289350, bug 289218.

Reported using DrKonqi