Version:            (using KDE 4.2.2)
Installed from:    SuSE RPMs

Last night I shutdown my computer without closing firefox and xchat. Today, plasma crash when I login and it keeps crashing till I close firefox and xchat. 

The Backtraces:

تطبيق: سطح بلازما (plasma), signal SIGSEGV
[Current thread is 1 (Thread 0xb4acf700 (LWP 3737))]

Thread 4 (Thread 0xa7664b90 (LWP 3748)):
#0  0xffffe430 in __kernel_vsyscall ()
#1  0xb6219411 in select () from /lib/libc.so.6
#2  0xb6512477 in QProcessManager::run (this=0x8070950) at io/qprocess_unix.cpp:305
#3  0xb644074e in QThreadPrivate::start (arg=0x8070950) at thread/qthread_unix.cpp:189
#4  0xb63de1b5 in start_thread () from /lib/libpthread.so.0
#5  0xb62203be in clone () from /lib/libc.so.6

Thread 3 (Thread 0xa6cffb90 (LWP 3750)):
#0  0xffffe430 in __kernel_vsyscall ()
#1  0xb63e1c35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb6441762 in QWaitCondition::wait (this=0x84521c0, mutex=0x84521bc, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#3  0xb793a892 in QHostInfoAgent::run (this=0x84521b0) at kernel/qhostinfo.cpp:260
#4  0xb644074e in QThreadPrivate::start (arg=0x84521b0) at thread/qthread_unix.cpp:189
#5  0xb63de1b5 in start_thread () from /lib/libpthread.so.0
#6  0xb62203be in clone () from /lib/libc.so.6

Thread 2 (Thread 0xa5e6fb90 (LWP 3781)):
#0  0xffffe430 in __kernel_vsyscall ()
#1  0xb63e1c35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb6441762 in QWaitCondition::wait (this=0x8313408, mutex=0x8313404, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#3  0xa927c80a in ?? () from /usr/lib/kde4/plasma_wallpaper_image.so
#4  0xb644074e in QThreadPrivate::start (arg=0x83133fc) at thread/qthread_unix.cpp:189
#5  0xb63de1b5 in start_thread () from /lib/libpthread.so.0
#6  0xb62203be in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb4acf700 (LWP 3737)):
[KCrash Handler]
#6  0xb654c431 in QMetaObject::activate (sender=0x8b88d50, m=0xb79d5d60, local_signal_index=0, argv=0xbfcafa9c) at kernel/qobject.cpp:3139
#7  0xb78ea253 in QHttp::stateChanged (this=0x8b88d50, _t1=6) at .moc/release-shared/moc_qhttp.cpp:140
#8  0xb78ea28a in QHttpPrivate::setState (this=0x8b18e00, s=6) at access/qhttp.cpp:3028
#9  0xb78ea69b in QHttpPrivate::closeConn (this=0x8b18e00) at access/qhttp.cpp:3039
#10 0xb78f39f5 in QHttpPrivate::_q_slotError (this=0x8b18e00, err=QAbstractSocket::HostNotFoundError) at access/qhttp.cpp:2652
#11 0xb78f4d7c in QHttp::qt_metacall (this=0x89f3058, _c=QMetaObject::InvokeMetaMethod, _id=16, _a=0xbfcafcdc) at .moc/release-shared/moc_qhttp.cpp:123
#12 0xb654ac88 in QMetaObject::activate (sender=0x8ecb5e8, from_signal_index=12, to_signal_index=12, argv=0xbfcafcdc) at kernel/qobject.cpp:3069
#13 0xb654c412 in QMetaObject::activate (sender=0x8ecb5e8, m=0xb79d6d30, local_signal_index=4, argv=0xbfcafcdc) at kernel/qobject.cpp:3143
#14 0xb7954843 in QAbstractSocket::error (this=0x8ecb5e8, _t1=QAbstractSocket::HostNotFoundError) at .moc/release-shared/moc_qabstractsocket.cpp:148
#15 0xb797151e in QSslSocketPrivate::_q_errorSlot (this=0x8ee1900, error=QAbstractSocket::HostNotFoundError) at ssl/qsslsocket.cpp:1988
#16 0xb797467f in QSslSocket::qt_metacall (this=0x8ecb5e8, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0xbfcafe2c) at .moc/release-shared/moc_qsslsocket.cpp:113
#17 0xb654ac88 in QMetaObject::activate (sender=0x8e359b8, from_signal_index=12, to_signal_index=12, argv=0xbfcafe2c) at kernel/qobject.cpp:3069
#18 0xb654c412 in QMetaObject::activate (sender=0x8e359b8, m=0xb79d6d30, local_signal_index=4, argv=0xbfcafe2c) at kernel/qobject.cpp:3143
#19 0xb7954843 in QAbstractSocket::error (this=0x8e359b8, _t1=QAbstractSocket::HostNotFoundError) at .moc/release-shared/moc_qabstractsocket.cpp:148
#20 0xb7957abb in QAbstractSocketPrivate::_q_startConnecting (this=0x8edeec0, hostInfo=@0xa6d009e0) at socket/qabstractsocket.cpp:870
#21 0xb795bad0 in QAbstractSocket::qt_metacall (this=0x8e359b8, _c=QMetaObject::InvokeMetaMethod, _id=12, _a=0xa6d009d0) at .moc/release-shared/moc_qabstractsocket.cpp:109
#22 0xb7983402 in QTcpSocket::qt_metacall (this=0x8e359b8, _c=QMetaObject::InvokeMetaMethod, _id=20, _a=0xa6d009d0) at .moc/release-shared/moc_qtcpsocket.cpp:58
#23 0xb65438db in QMetaCallEvent::placeMetaCall (this=0xa6d009a0, object=0x8e359b8) at kernel/qobject.cpp:489
#24 0xb6545370 in QObject::event (this=0x8e359b8, e=0xa6d009a0) at kernel/qobject.cpp:1118
#25 0xb67bceec in QApplicationPrivate::notify_helper (this=0x806e6e8, receiver=0x8e359b8, e=0xa6d009a0) at kernel/qapplication.cpp:4084
#26 0xb67c51ae in QApplication::notify (this=0x806ac10, receiver=0x8e359b8, e=0xa6d009a0) at kernel/qapplication.cpp:3631
#27 0xb7676ded in KApplication::notify (this=0x806ac10, receiver=0x8e359b8, event=0xa6d009a0) at /usr/src/debug/kdelibs-4.2.2/kdeui/kernel/kapplication.cpp:307
#28 0xb65349db in QCoreApplication::notifyInternal (this=0x806ac10, receiver=0x8e359b8, event=0xa6d009a0) at kernel/qcoreapplication.cpp:602
#29 0xb6535625 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x804f810) at kernel/qcoreapplication.h:213
#30 0xb653581d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1132
#31 0xb65607df in postEventSourceDispatch (s=0x8070910) at kernel/qcoreapplication.h:218
#32 0xb4f3c9a8 in IA__g_main_context_dispatch (context=0x8070890) at gmain.c:2144
#33 0xb4f40063 in g_main_context_iterate (context=0x8070890, block=1, dispatch=1, self=0x806e248) at gmain.c:2778
#34 0xb4f40221 in IA__g_main_context_iteration (context=0x8070890, may_block=1) at gmain.c:2841
#35 0xb6560428 in QEventDispatcherGlib::processEvents (this=0x80522a8, flags={i = -1077214040}) at kernel/qeventdispatcher_glib.cpp:323
#36 0xb685cac5 in QGuiEventDispatcherGlib::processEvents (this=0x80522a8, flags={i = -1077213992}) at kernel/qguieventdispatcher_glib.cpp:202
#37 0xb6532ffa in QEventLoop::processEvents (this=0xbfcb0550, flags={i = -1077213928}) at kernel/qeventloop.cpp:149
#38 0xb653343a in QEventLoop::exec (this=0xbfcb0550, flags={i = -1077213864}) at kernel/qeventloop.cpp:200
#39 0xb65358e9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:880
#40 0xb67bcd67 in QApplication::exec () at kernel/qapplication.cpp:3553
#41 0xb7f376e6 in kdemain () from /usr/lib/libkdeinit4_plasma.so
#42 0x08048782 in _start ()

I use a lot of widgets in my desktop:
Desktop:
- notes 
- clock
- slatanoid
- firefox icon
- google_widgest (pagerank watcher)

Panel:
-Battery
- NetworkManger
- Spell checking
- CPU watcher
- Clock
- show desktop
- device notifier
- kick-off menu