Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.2.95 (KDE 4.2.95 (KDE 4.3 RC1))
Qt Version: 4.5.0
Operating System: Linux 2.6.29-02062905-generic x86_64
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
Plasma just crashes after log-in. 

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Floating point exception
[Current thread is 0 (LWP 6483)]

Thread 3 (Thread 0x7f972a84f950 (LWP 6484)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f974d0d7939 in QWaitCondition::wait (this=0x1f4a270, mutex=0x1f4a268, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  0x00007f974bf544cc in QHostInfoAgent::run (this=0x1f4a250) at kernel/qhostinfo.cpp:260
#3  0x00007f974d0d6952 in QThreadPrivate::start (arg=0x1f4a250) at thread/qthread_unix.cpp:189
#4  0x00007f9748f583ba in start_thread (arg=<value optimized out>) at pthread_create.c:297
#5  0x00007f9749b3cfcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f9721a61950 (LWP 6491)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:217
#1  0x00007f974d0d7917 in QWaitCondition::wait (this=0x1344538, mutex=0x1344530, time=30000) at thread/qwaitcondition_unix.cpp:85
#2  0x00007f974d0cd409 in QThreadPoolThread::run (this=0x2125e10) at concurrent/qthreadpool.cpp:140
#3  0x00007f974d0d6952 in QThreadPrivate::start (arg=0x2125e10) at thread/qthread_unix.cpp:189
#4  0x00007f9748f583ba in start_thread (arg=<value optimized out>) at pthread_create.c:297
#5  0x00007f9749b3cfcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f974d69a750 (LWP 6483)):
[KCrash Handler]
#5  0x00007f972bfea905 in Bubble::moveBubbles (this=0x1c40ae0) at /usr/include/qt4/QtCore/qpoint.h:130
#6  0x00007f972bfea320 in Bubble::qt_metacall (this=0x1c40ae0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff7357cd50)
    at /build/buildd/kdeplasma-addons-4.2.95/obj-x86_64-linux-gnu/applets/bubblemon/src/moc_bubble.cpp:92
#7  0x00007f974d1d51f2 in QMetaObject::activate (sender=0x1db8fb0, from_signal_index=<value optimized out>, to_signal_index=4, argv=0xf6b14b6) at kernel/qobject.cpp:3069
#8  0x00007f974d1cf4d3 in QObject::event (this=0x1db8fb0, e=0x0) at kernel/qobject.cpp:1082
#9  0x00007f974a74978d in QApplicationPrivate::notify_helper (this=0x1346f80, receiver=0x1db8fb0, e=0x7fff7357d400) at kernel/qapplication.cpp:4084
#10 0x00007f974a75197a in QApplication::notify (this=0x1305e60, receiver=0x1db8fb0, e=0x7fff7357d400) at kernel/qapplication.cpp:4049
#11 0x00007f974b88c62b in KApplication::notify (this=0x1305e60, receiver=0x1db8fb0, event=0x7fff7357d400) at /build/buildd/kde4libs-4.2.95/kdeui/kernel/kapplication.cpp:302
#12 0x00007f974d1bf75c in QCoreApplication::notifyInternal (this=0x1305e60, receiver=0x1db8fb0, event=0x7fff7357d400) at kernel/qcoreapplication.cpp:602
#13 0x00007f974d1ec7f6 in QTimerInfoList::activateTimers (this=0x134af10) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#14 0x00007f974d1e8f0d in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:164
#15 0x00007f97491a720a in IA__g_main_context_dispatch (context=0x1349d30) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:1814
#16 0x00007f97491aa8e0 in g_main_context_iterate (context=0x1349d30, block=1, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2448
#17 0x00007f97491aaa7c in IA__g_main_context_iteration (context=0x1349d30, may_block=1) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2511
#18 0x00007f974d1e8e6f in QEventDispatcherGlib::processEvents (this=0x13468e0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:323
#19 0x00007f974a7e1bef in QGuiEventDispatcherGlib::processEvents (this=0x12b3510, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#20 0x00007f974d1be002 in QEventLoop::processEvents (this=<value optimized out>, flags={i = 1935136368}) at kernel/qeventloop.cpp:149
#21 0x00007f974d1be3cd in QEventLoop::exec (this=0x7fff7357d6b0, flags={i = 1935136448}) at kernel/qeventloop.cpp:200
#22 0x00007f974d1c0694 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:880
#23 0x00007f974105e63b in kdemain (argc=1, argv=0x12fd030) at /build/buildd/kdebase-workspace-4.2.95/plasma/shells/desktop/main.cpp:50
#24 0x000000000040714e in launch (argc=1, _name=0x13135f8 "/usr/bin/plasma-desktop", args=<value optimized out>, cwd=0x0, envc=0, envs=0x1313618 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x40a309 "0") at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:672
#25 0x0000000000407978 in handle_launcher_request (sock=7, who=<value optimized out>) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1164
#26 0x0000000000407f25 in handle_requests (waitForPid=0) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1357
#27 0x0000000000408a66 in main (argc=2, argv=0x7fff7357e548, envp=0x7fff7357e560) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1784

Reported using DrKonqi