Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-20-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
last widget added is google calendar - every time i log in plasma crashes & won't restart

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7830700 (LWP 2805))]

Thread 2 (Thread 0xaa1ffb70 (LWP 2810)):
#0  0x00b64422 in __kernel_vsyscall ()
#1  0x00708e15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x00c3e87d in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0x00d54e67 in QWaitConditionPrivate::wait (this=0x9aa2af8, mutex=0x9aa2af4, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  QWaitCondition::wait (this=0x9aa2af8, mutex=0x9aa2af4, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#5  0x06966922 in QHostInfoAgent::run (this=0x9aa2ae8) at kernel/qhostinfo.cpp:260
#6  0x00d53e32 in QThreadPrivate::start (arg=0x9aa2ae8) at thread/qthread_unix.cpp:188
#7  0x0070480e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8  0x00c318de in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb7830700 (LWP 2805)):
[KCrash Handler]
#6  0x00d99ce8 in QString::realloc (this=0xa041ccc, alloc=6) at tools/qstring.cpp:1075
#7  0x00d99de6 in QString::realloc (this=0xa041ccc) at tools/qstring.cpp:1101
#8  0x00d99e1e in QString::utf16 (this=0xa041ccc) at tools/qstring.cpp:4624
#9  0x00d99f75 in QString::toUcs4 (this=0xa041ccc) at tools/qstring.cpp:3423
#10 0x01752565 in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtCore.so
#11 0x016c4de1 in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtCore.so
#12 0x018c034f in _PyObject_Str (v=0x9bea32c) at ../Objects/object.c:425
#13 0x018c0432 in PyObject_Str (v=0x9bea32c) at ../Objects/object.c:446
#14 0x018ce964 in string_new (type=0x1a4f1a0, args=0x9bc7e4c, kwds=0x0) at ../Objects/stringobject.c:4075
#15 0x018d5b7e in type_call (type=0x1a4f1a0, args=0x9bc7e4c, kwds=0x0) at ../Objects/typeobject.c:731
#16 0x0187989c in PyObject_Call (func=0x1a4f1a0, arg=0x9bc7e4c, kw=0x0) at ../Objects/abstract.c:2492
#17 0x0191a9bd in do_call (f=0xa28c044, throwflag=0) at ../Python/ceval.c:3924
#18 call_function (f=0xa28c044, throwflag=0) at ../Python/ceval.c:3729
#19 PyEval_EvalFrameEx (f=0xa28c044, throwflag=0) at ../Python/ceval.c:2389
#20 0x0191cb39 in PyEval_EvalCodeEx (co=0x992cad0, globals=0x99cbe84, locals=0x0, args=0x9542418, argcount=1, kws=0x0, kwcount=0, defs=0x0, defcount=0, closure=0x0) at ../Python/ceval.c:2968
#21 0x018a6ff7 in function_call (func=0x9bcd33c, arg=0x954240c, kw=0x0) at ../Objects/funcobject.c:524
#22 0x0187989c in PyObject_Call (func=0x9bcd33c, arg=0x954240c, kw=0x0) at ../Objects/abstract.c:2492
#23 0x0188a7b4 in instancemethod_call (func=0x93ab694, arg=0x954240c, kw=0x0) at ../Objects/classobject.c:2579
#24 0x0187989c in PyObject_Call (func=0x93ab694, arg=0x934f02c, kw=0x0) at ../Objects/abstract.c:2492
#25 0x01915b54 in PyEval_CallObjectWithKeywords (func=0x93ab694, arg=0x934f02c, kw=0x0) at ../Python/ceval.c:3575
#26 0x07048717 in sip_api_invoke_slot () from /usr/lib/pymodules/python2.6/sip.so
#27 0x0174de53 in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtCore.so
#28 0x0174df4a in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtCore.so
#29 0x0174e005 in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtCore.so
#30 0x00e5a263 in QMetaObject::activate (sender=0x9c77310, from_signal_index=8, to_signal_index=8, argv=0xbff774a8) at kernel/qobject.cpp:3113
#31 0x00e5aec2 in QMetaObject::activate (sender=0x9c77310, m=0x12bc6a4, local_signal_index=4, argv=0xbff774a8) at kernel/qobject.cpp:3187
#32 0x01199fc9 in KWallet::Wallet::walletOpened (this=0x9c77310, _t1=true) at ./kwallet.moc:139
#33 0x0119a2c5 in KWallet::Wallet::walletAsyncOpened (this=0x9c77310, tId=0, handle=623166201) at ../../kdeui/util/kwallet.cpp:724
#34 0x0119b1f8 in KWallet::Wallet::qt_metacall (this=0x9c77310, _c=QMetaObject::InvokeMetaMethod, _id=13, _a=0xbff775f4) at ./kwallet.moc:99
#35 0x00e5a263 in QMetaObject::activate (sender=0x9bbd728, from_signal_index=9, to_signal_index=9, argv=0xbff775f4) at kernel/qobject.cpp:3113
#36 0x00e5aec2 in QMetaObject::activate (sender=0x9bbd728, m=0x12c2540, local_signal_index=4, argv=0xbff775f4) at kernel/qobject.cpp:3187
#37 0x01272489 in OrgKdeKWalletInterface::walletAsyncOpened (this=0x9bbd728, _t1=0, _t2=623166201) at kwallet_interface.moc:300
#38 0x01272cb8 in OrgKdeKWalletInterface::qt_metacall (this=0x9bbd728, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0xbff77d1c) at kwallet_interface.moc:176
#39 0x009bf7b4 in QDBusConnectionPrivate::deliverCall (this=0x8ee0360, object=0x9bbd728, msg=..., metaTypes=..., slotIdx=9) at qdbusintegrator.cpp:891
#40 0x009c7197 in QDBusCallDeliveryEvent::placeMetaCall(QObject*) () from /usr/lib/libQtDBus.so.4
#41 0x00e545fe in QObject::event (this=0x9bbd728, e=0xa3ea810) at kernel/qobject.cpp:1111
#42 0x02c93f54 in QApplicationPrivate::notify_helper (this=0x8f06558, receiver=0x9bbd728, e=0xa3ea810) at kernel/qapplication.cpp:4056
#43 0x02c9b67c in QApplication::notify (this=0x8edf708, receiver=0x9bbd728, e=0xa3ea810) at kernel/qapplication.cpp:3603
#44 0x0110abfa in KApplication::notify (this=0x8edf708, receiver=0x9bbd728, event=0xa3ea810) at ../../kdeui/kernel/kapplication.cpp:302
#45 0x00e446cb in QCoreApplication::notifyInternal (this=0x8edf708, receiver=0x9bbd728, event=0xa3ea810) at kernel/qcoreapplication.cpp:610
#46 0x00e452b2 in QCoreApplication::sendEvent (receiver=0x0, event_type=0, data=0x8e8fe48) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#47 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x8e8fe48) at kernel/qcoreapplication.cpp:1247
#48 0x00e4547d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1140
#49 0x00e6f3ff in QCoreApplication::sendPostedEvents (s=0x8f08710) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#50 postEventSourceDispatch (s=0x8f08710) at kernel/qeventdispatcher_glib.cpp:210
#51 0x008b7e88 in g_main_dispatch (context=0x8f08690) at /build/buildd/glib2.0-2.22.3/glib/gmain.c:1960
#52 IA__g_main_context_dispatch (context=0x8f08690) at /build/buildd/glib2.0-2.22.3/glib/gmain.c:2513
#53 0x008bb730 in g_main_context_iterate (context=0x8f08690, block=<value optimized out>, dispatch=1, self=0x8f06060) at /build/buildd/glib2.0-2.22.3/glib/gmain.c:2591
#54 0x008bb863 in IA__g_main_context_iteration (context=0x8f08690, may_block=1) at /build/buildd/glib2.0-2.22.3/glib/gmain.c:2654
#55 0x00e6f02c in QEventDispatcherGlib::processEvents (this=0x8f06348, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#56 0x02d34be5 in QGuiEventDispatcherGlib::processEvents (this=0x8f06348, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#57 0x00e42c79 in QEventLoop::processEvents (this=0xbff78484, flags=) at kernel/qeventloop.cpp:149
#58 0x00e430ca in QEventLoop::exec (this=0xbff78484, flags=...) at kernel/qeventloop.cpp:201
#59 0x00e4553f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#60 0x02c93dd7 in QApplication::exec () at kernel/qapplication.cpp:3525
#61 0x0132b80d in kdemain (argc=1, argv=0x8e8f1e8) at ../../../../plasma/shells/desktop/main.cpp:50
#62 0x0804dde1 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x8ea9388 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x80511a5 "0") at ../../kinit/kinit.cpp:677
#63 0x0804ea35 in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at ../../kinit/kinit.cpp:1169
#64 0x0804eeac in handle_requests (waitForPid=<value optimized out>) at ../../kinit/kinit.cpp:1362
#65 0x0804fbaf in main (argc=2, argv=0xbff78ce4, envp=0xbff78cf0) at ../../kinit/kinit.cpp:1793

This bug may be a duplicate of or related to bug 225985

Reported using DrKonqi