Application: plasma-desktop (0.3)
KDE Platform Version: 4.3.95 (KDE 4.3.95 (KDE 4.4 RC2))
Qt Version: 4.6.0
Operating System: Linux 2.6.31-17-generic i686
Distribution: Ubuntu 9.10

-- Information about the crash:
Plasma crash when user closed an application that is in a group into the task manager plasmoid
If user closed a single application Plasma doesn't crash

The crash can be reproduced every time.

 -- Backtrace:
Application: Spazio di lavoro di Plasma (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb77fb760 (LWP 2260))]

Thread 2 (Thread 0xaa5aeb70 (LWP 2261)):
#0  0x00d07422 in __kernel_vsyscall ()
#1  0x00158e15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x00d6f307 in QWaitConditionPrivate::wait (this=0x8e28490, mutex=0x8e2848c, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#3  QWaitCondition::wait (this=0x8e28490, mutex=0x8e2848c, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#4  0x0329c102 in QHostInfoAgent::run (this=0x8e28480) at kernel/qhostinfo.cpp:252
#5  0x00d6e3ae in QThreadPrivate::start (arg=0x8e28480) at thread/qthread_unix.cpp:244
#6  0x0015480e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0x01ac58de in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb77fb760 (LWP 2260)):
[KCrash Handler]
#6  QGraphicsScenePrivate::processDirtyItemsRecursive (this=0x8850530, item=0x93ee3f8, dirtyAncestorContainsChildren=false, parentOpacity=1) at graphicsview/qgraphicsscene.cpp:4895
#7  0x01763eed in QGraphicsScenePrivate::_q_processDirtyItems (this=0x8850530) at graphicsview/qgraphicsscene.cpp:466
#8  0x017644f6 in QGraphicsScene::qt_metacall (this=0x8803ea8, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0x881ff58) at .moc/release-shared/moc_qgraphicsscene.cpp:130
#9  0x021e668a in Plasma::Corona::qt_metacall (this=0x8803ea8, _c=QMetaObject::InvokeMetaMethod, _id=18, _a=0x881ff58) at ./corona.moc:107
#10 0x063b85aa in ?? () from /usr/lib/libkdeinit4_plasma-desktop.so
#11 0x00e7511a in QMetaObject::metacall (object=0x8803ea8, cl=QMetaObject::InvokeMetaMethod, idx=18, argv=0x0) at kernel/qmetaobject.cpp:237
#12 0x00e7f856 in QMetaCallEvent::placeMetaCall (this=0x97be210, object=0x8803ea8) at kernel/qobject.cpp:574
#13 0x00e808ae in QObject::event (this=0x8803ea8, e=0x97be210) at kernel/qobject.cpp:1260
#14 0x017601c4 in QGraphicsScene::event (this=0x8803ea8, event=0x97be210) at graphicsview/qgraphicsscene.cpp:3450
#15 0x010bb19c in QApplicationPrivate::notify_helper (this=0x8798398, receiver=0x8803ea8, e=0x97be210) at kernel/qapplication.cpp:4242
#16 0x010c1df7 in QApplication::notify (this=0x8791f70, receiver=0x8803ea8, e=0x97be210) at kernel/qapplication.cpp:3661
#17 0x00b29a1a in KApplication::notify (this=0x8791f70, receiver=0x8803ea8, event=0x97be210) at ../../kdeui/kernel/kapplication.cpp:302
#18 0x00e6feab in QCoreApplication::notifyInternal (this=0x8791f70, receiver=0x8803ea8, event=0x97be210) at kernel/qcoreapplication.cpp:704
#19 0x00e728e3 in QCoreApplication::sendEvent (receiver=0x0, event_type=0, data=0x87340d8) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#20 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x87340d8) at kernel/qcoreapplication.cpp:1345
#21 0x00e72a4d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1238
#22 0x00e9c0df in QCoreApplication::sendPostedEvents (s=0x879ab38) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#23 postEventSourceDispatch (s=0x879ab38) at kernel/qeventdispatcher_glib.cpp:276
#24 0x05a4ae88 in g_main_dispatch (context=0x879a778) at /build/buildd/glib2.0-2.22.3/glib/gmain.c:1960
#25 IA__g_main_context_dispatch (context=0x879a778) at /build/buildd/glib2.0-2.22.3/glib/gmain.c:2513
#26 0x05a4e730 in g_main_context_iterate (context=0x879a778, block=<value optimized out>, dispatch=1, self=0x8797b30) at /build/buildd/glib2.0-2.22.3/glib/gmain.c:2591
#27 0x05a4e863 in IA__g_main_context_iteration (context=0x879a778, may_block=1) at /build/buildd/glib2.0-2.22.3/glib/gmain.c:2654
#28 0x00e9bbd5 in QEventDispatcherGlib::processEvents (this=0x8797e48, flags=...) at kernel/qeventdispatcher_glib.cpp:407
#29 0x01178b75 in QGuiEventDispatcherGlib::processEvents (this=0x8797e48, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#30 0x00e6e4c9 in QEventLoop::processEvents (this=0xbf819614, flags=) at kernel/qeventloop.cpp:149
#31 0x00e6e91a in QEventLoop::exec (this=0xbf819614, flags=...) at kernel/qeventloop.cpp:201
#32 0x00e72b0f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#33 0x010bb237 in QApplication::exec () at kernel/qapplication.cpp:3570
#34 0x063c01ee in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#35 0x0804dff7 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x8787970 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x8051429 "0") at ../../kinit/kinit.cpp:706
#36 0x0804ec15 in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at ../../kinit/kinit.cpp:1198
#37 0x0804f08c in handle_requests (waitForPid=<value optimized out>) at ../../kinit/kinit.cpp:1391
#38 0x0804fe27 in main (argc=4, argv=0xbf81a0c4, envp=0xbf81a0d8) at ../../kinit/kinit.cpp:1830

This bug may be a duplicate of or related to bug 222267.

Possible duplicates by query: bug 224082, bug 224063, bug 223987, bug 223904, bug 223703.

Reported using DrKonqi