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 2.6.31-15-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
It happens while I didn't has a network connection to the WWW. While as I added some web widget such as "wikipedia", "wether reporter", this may be the cause of the crash.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb77b4700 (LWP 4943))]

Thread 2 (Thread 0xaaa41b70 (LWP 4946)):
#0  0x00fb1422 in __kernel_vsyscall ()
#1  0x008a0e15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x00a0b78d in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0x006b3e67 in QWaitConditionPrivate::wait (this=0x96efa98, mutex=0x96efa94, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  QWaitCondition::wait (this=0x96efa98, mutex=0x96efa94, time=4294967295) at thread/qwaitcondition_unix.cpp:159
#5  0x00e13922 in QHostInfoAgent::run (this=0x96efa88) at kernel/qhostinfo.cpp:260
#6  0x006b2e32 in QThreadPrivate::start (arg=0x96efa88) at thread/qthread_unix.cpp:188
#7  0x0089c80e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#8  0x009fe7ee in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb77b4700 (LWP 4943)):
[KCrash Handler]
#6  0x00a73642 in ?? () from /lib/tls/i686/cmov/libc.so.6
#7  0x032fd7dd in Plasma::Corona::loadLayout (this=0x91e2230, configName=...) at ../../plasma/corona.cpp:379
#8  0x032fe8be in Plasma::Corona::initializeLayout (this=0x91e2230, configName=...) at ../../plasma/corona.cpp:324
#9  0x0533b1d6 in PlasmaApp::corona (this=0x913f048) at ../../../../plasma/shells/desktop/plasmaapp.cpp:574
#10 0x0533b4da in PlasmaApp::setupDesktop (this=0x913f048) at ../../../../plasma/shells/desktop/plasmaapp.cpp:252
#11 0x0533b733 in PlasmaApp::qt_metacall (this=0x913f048, _c=QMetaObject::InvokeMetaMethod, _id=30, _a=0xbfe1af5c) at ./plasmaapp.moc:115
#12 0x007b9263 in QMetaObject::activate (sender=0x91b6b70, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3113
#13 0x007b9ec2 in QMetaObject::activate (sender=0x91b6b70, m=0x893908, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3187
#14 0x007be387 in QSingleShotTimer::timeout (this=0x91b6b70) at .moc/release-shared/qtimer.moc:76
#15 0x007be49c in QSingleShotTimer::timerEvent (this=0x91b6b70) at kernel/qtimer.cpp:298
#16 0x007b33bf in QObject::event (this=0x91b6b70, e=0xbfe1b3f0) at kernel/qobject.cpp:1075
#17 0x08273f54 in QApplicationPrivate::notify_helper (this=0x9144da8, receiver=0x91b6b70, e=0xbfe1b3f0) at kernel/qapplication.cpp:4056
#18 0x0827b67c in QApplication::notify (this=0x913f048, receiver=0x91b6b70, e=0xbfe1b3f0) at kernel/qapplication.cpp:3603
#19 0x01184bfa in KApplication::notify (this=0x913f048, receiver=0x91b6b70, event=0xbfe1b3f0) at ../../kdeui/kernel/kapplication.cpp:302
#20 0x007a36cb in QCoreApplication::notifyInternal (this=0x913f048, receiver=0x91b6b70, event=0xbfe1b3f0) at kernel/qcoreapplication.cpp:610
#21 0x007d07ce in QCoreApplication::sendEvent (this=0x9149e7c) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#22 QTimerInfoList::activateTimers (this=0x9149e7c) at kernel/qeventdispatcher_unix.cpp:572
#23 0x007ce0e0 in timerSourceDispatch (source=0x9149e48) at kernel/qeventdispatcher_glib.cpp:165
#24 0x0016de88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#25 0x00171730 in ?? () from /lib/libglib-2.0.so.0
#26 0x00171863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#27 0x007ce02c in QEventDispatcherGlib::processEvents (this=0x9144b98, flags=...) at kernel/qeventdispatcher_glib.cpp:327
#28 0x08314be5 in QGuiEventDispatcherGlib::processEvents (this=0x9144b98, flags=...) at kernel/qguieventdispatcher_glib.cpp:202
#29 0x007a1c79 in QEventLoop::processEvents (this=0xbfe1b6b4, flags=) at kernel/qeventloop.cpp:149
#30 0x007a20ca in QEventLoop::exec (this=0xbfe1b6b4, flags=...) at kernel/qeventloop.cpp:201
#31 0x007a453f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#32 0x08273dd7 in QApplication::exec () at kernel/qapplication.cpp:3525
#33 0x0531e80d in kdemain (argc=1, argv=0x90fd9e8) at ../../../../plasma/shells/desktop/main.cpp:50
#34 0x0804dde1 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x913d090 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x80511a5 "0") at ../../kinit/kinit.cpp:677
#35 0x0804ea35 in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at ../../kinit/kinit.cpp:1169
#36 0x0804eeac in handle_requests (waitForPid=<value optimized out>) at ../../kinit/kinit.cpp:1362
#37 0x0804fbaf in main (argc=2, argv=0xbfe1bf14, envp=0xbfe1bf20) at ../../kinit/kinit.cpp:1793

This bug may be a duplicate of or related to bug 220975

Reported using DrKonqi