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 2.6.31-14-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
averything works.
but the screen turns black.
i can run web browsers or wat so ever.
the crash hapens after i typed my password in kwalletmanager.

 -- Backtrace:
Application: Plasma-werkgebied (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7701700 (LWP 2018))]

Thread 2 (Thread 0xab831b70 (LWP 2019)):
#0  0x00444422 in __kernel_vsyscall ()
#1  0x003f8e15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x03ed078d in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0x00ae9e67 in QWaitConditionPrivate::wait (this=0x92b98b8, mutex=0x92b98b4, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  QWaitCondition::wait (this=0x92b98b8, mutex=0x92b98b4, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#5  0x05fb0922 in QHostInfoAgent::run (this=0x92b98a8) at kernel/qhostinfo.cpp:260
#6  0x00ae8e32 in QThreadPrivate::start (arg=0x92b98a8) at thread/qthread_unix.cpp:188
#7  0x003f480e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8  0x03ec37ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb7701700 (LWP 2018)):
[KCrash Handler]
#6  0x00b2ece8 in QString::realloc (this=0x915bee4, alloc=6) at tools/qstring.cpp:1075
#7  0x00b2ede6 in QString::realloc (this=0x915bee4) at tools/qstring.cpp:1101
#8  0x00b2ee1e in QString::utf16 (this=0x915bee4) at tools/qstring.cpp:4624
#9  0x00b2ef75 in QString::toUcs4 (this=0x915bee4) at tools/qstring.cpp:3423
#10 0x0218f565 in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtCore.so
#11 0x02101de1 in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtCore.so
#12 0x0244c34f in _PyObject_Str () from /usr/lib/libpython2.6.so.1.0
#13 0x0244c432 in PyObject_Str () from /usr/lib/libpython2.6.so.1.0
#14 0x0245a964 in ?? () from /usr/lib/libpython2.6.so.1.0
#15 0x02461b7e in ?? () from /usr/lib/libpython2.6.so.1.0
#16 0x0240589c in PyObject_Call () from /usr/lib/libpython2.6.so.1.0
#17 0x024a69bd in PyEval_EvalFrameEx () from /usr/lib/libpython2.6.so.1.0
#18 0x024a8b39 in PyEval_EvalCodeEx () from /usr/lib/libpython2.6.so.1.0
#19 0x02432ff7 in ?? () from /usr/lib/libpython2.6.so.1.0
#20 0x0240589c in PyObject_Call () from /usr/lib/libpython2.6.so.1.0
#21 0x024167b4 in ?? () from /usr/lib/libpython2.6.so.1.0
#22 0x0240589c in PyObject_Call () from /usr/lib/libpython2.6.so.1.0
#23 0x024a1b54 in PyEval_CallObjectWithKeywords () from /usr/lib/libpython2.6.so.1.0
#24 0x069a5717 in sip_api_invoke_slot () from /usr/lib/pymodules/python2.6/sip.so
#25 0x0218ae53 in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtCore.so
#26 0x0218af4a in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtCore.so
#27 0x0218b005 in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtCore.so
#28 0x00bef263 in QMetaObject::activate (sender=0x87f9388, from_signal_index=8, to_signal_index=8, argv=0xbfa08c08) at kernel/qobject.cpp:3113
#29 0x00befec2 in QMetaObject::activate (sender=0x87f9388, m=0xa416a4, local_signal_index=4, argv=0xbfa08c08) at kernel/qobject.cpp:3187
#30 0x0091efc9 in KWallet::Wallet::walletOpened (this=0x87f9388, _t1=true) at ./kwallet.moc:139
#31 0x0091f2c5 in KWallet::Wallet::walletAsyncOpened (this=0x87f9388, tId=0, handle=815446821) at ../../kdeui/util/kwallet.cpp:724
#32 0x009201f8 in KWallet::Wallet::qt_metacall (this=0x87f9388, _c=QMetaObject::InvokeMetaMethod, _id=13, _a=0xbfa08d54) at ./kwallet.moc:99
#33 0x00bef263 in QMetaObject::activate (sender=0x931ff70, from_signal_index=9, to_signal_index=9, argv=0xbfa08d54) at kernel/qobject.cpp:3113
#34 0x00befec2 in QMetaObject::activate (sender=0x931ff70, m=0xa47540, local_signal_index=4, argv=0xbfa08d54) at kernel/qobject.cpp:3187
#35 0x009f7489 in OrgKdeKWalletInterface::walletAsyncOpened (this=0x931ff70, _t1=0, _t2=815446821) at kwallet_interface.moc:300
#36 0x009f7cb8 in OrgKdeKWalletInterface::qt_metacall (this=0x931ff70, _c=QMetaObject::InvokeMetaMethod, _id=4, _a=0xbfa0947c) at kwallet_interface.moc:176
#37 0x004977b4 in QDBusConnectionPrivate::deliverCall (this=0x8853410, object=0x931ff70, msg=..., metaTypes=..., slotIdx=9) at qdbusintegrator.cpp:891
#38 0x0049f197 in QDBusCallDeliveryEvent::placeMetaCall(QObject*) () from /usr/lib/libQtDBus.so.4
#39 0x00be95fe in QObject::event (this=0x931ff70, e=0x9775160) at kernel/qobject.cpp:1111
#40 0x010f2f54 in QApplicationPrivate::notify_helper (this=0x8858528, receiver=0x931ff70, e=0x9775160) at kernel/qapplication.cpp:4056
#41 0x010fa67c in QApplication::notify (this=0x8852590, receiver=0x931ff70, e=0x9775160) at kernel/qapplication.cpp:3603
#42 0x0088fbfa in KApplication::notify (this=0x8852590, receiver=0x931ff70, event=0x9775160) at ../../kdeui/kernel/kapplication.cpp:302
#43 0x00bd96cb in QCoreApplication::notifyInternal (this=0x8852590, receiver=0x931ff70, event=0x9775160) at kernel/qcoreapplication.cpp:610
#44 0x00bda2b2 in QCoreApplication::sendEvent (receiver=0x0, event_type=0, data=0x87e0e48) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#45 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x87e0e48) at kernel/qcoreapplication.cpp:1247
#46 0x00bda47d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1140
#47 0x00c043ff in QCoreApplication::sendPostedEvents (s=0x885a510) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#48 postEventSourceDispatch (s=0x885a510) at kernel/qeventdispatcher_glib.cpp:210
#49 0x00d05e78 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#50 0x00d09720 in ?? () from /lib/libglib-2.0.so.0
#51 0x00d09853 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#52 0x00c0402c in QEventDispatcherGlib::processEvents (this=0x8858318, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#53 0x01193be5 in QGuiEventDispatcherGlib::processEvents (this=0x8858318, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#54 0x00bd7c79 in QEventLoop::processEvents (this=0xbfa09be4, flags=) at kernel/qeventloop.cpp:149
#55 0x00bd80ca in QEventLoop::exec (this=0xbfa09be4, flags=...) at kernel/qeventloop.cpp:201
#56 0x00bda53f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#57 0x010f2dd7 in QApplication::exec () at kernel/qapplication.cpp:3525
#58 0x0313380d in kdemain (argc=1, argv=0x87e29e0) at ../../../../plasma/shells/desktop/main.cpp:50
#59 0x0804dde1 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x87fabb0 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x80511a5 "0") at ../../kinit/kinit.cpp:677
#60 0x0804ea35 in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at ../../kinit/kinit.cpp:1169
#61 0x0804eeac in handle_requests (waitForPid=<value optimized out>) at ../../kinit/kinit.cpp:1362
#62 0x0804fbaf in main (argc=2, argv=0xbfa0a444, envp=0xbfa0a450) at ../../kinit/kinit.cpp:1793

This bug may be a duplicate of or related to bug 211710

Reported using DrKonqi