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 2.6.31-9-rt x86_64
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
Added: 
- a spacer
- the "Lock/Quit"
- the Bubblemon plasmoids

then a little bit after Plasma crashed

 -- Backtrace:
Application: Espace de travail Plasma (kdeinit4), signal: Segmentation fault
The current source language is "auto; currently c".
[Current thread is 1 (Thread 0x7f96fbfae750 (LWP 3267))]

Thread 2 (Thread 0x7f96dc8d1910 (LWP 3268)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f96fb9fb4fb in QWaitConditionPrivate::wait (this=<value optimized out>, mutex=0x1a2ec18, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0x1a2ec18, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f96f7e3278c in QHostInfoAgent::run (this=0x1a2ec00) at kernel/qhostinfo.cpp:260
#4  0x00007f96fb9fa445 in QThreadPrivate::start (arg=0x1a2ec00) at thread/qthread_unix.cpp:188
#5  0x00007f96f8770a04 in start_thread (arg=<value optimized out>) at pthread_create.c:300
#6  0x00007f96f93507bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f96fbfae750 (LWP 3267)):
[KCrash Handler]
#5  0x00007f96d6b52ff4 in ?? () from /usr/lib/libindicate.so.3
#6  0x00007f96d39d4d2f in marshal_dbus_message_to_g_marshaller (closure=<value optimized out>, return_value=0x0, n_param_values=<value optimized out>, param_values=<value optimized out>, 
    invocation_hint=0x7fff6f6fce40, marshal_data=0x0) at dbus-gproxy.c:1680
#7  0x00007f96f52005ae in IA__g_closure_invoke (closure=0x11b16c0, return_value=0x0, n_param_values=3, param_values=0x1083e30, invocation_hint=0x7fff6f6fce40)
    at /build/buildd/glib2.0-2.22.2/gobject/gclosure.c:767
#8  0x00007f96f5215983 in signal_emit_unlocked_R (node=0x4e14540, detail=<value optimized out>, instance=<value optimized out>, emission_return=<value optimized out>, 
    instance_and_params=<value optimized out>) at /build/buildd/glib2.0-2.22.2/gobject/gsignal.c:3247
#9  0x00007f96f5216d39 in IA__g_signal_emit_valist (instance=0x1182170, signal_id=<value optimized out>, detail=83, var_args=0x7fff6f6fd030) at /build/buildd/glib2.0-2.22.2/gobject/gsignal.c:2980
#10 0x00007f96f5217283 in IA__g_signal_emit (instance=0x4, signal_id=0, detail=0) at /build/buildd/glib2.0-2.22.2/gobject/gsignal.c:3037
#11 0x00007f96d39d5d7c in dbus_g_proxy_emit_remote_signal (connection=<value optimized out>, message=<value optimized out>, user_data=<value optimized out>) at dbus-gproxy.c:1733
#12 dbus_g_proxy_manager_filter (connection=<value optimized out>, message=<value optimized out>, user_data=<value optimized out>) at dbus-gproxy.c:1300
#13 0x00007f96f0927396 in dbus_connection_dispatch () from /lib/libdbus-1.so.3
#14 0x00007f96d39ccbd5 in message_queue_dispatch (source=<value optimized out>, callback=<value optimized out>, user_data=<value optimized out>) at dbus-gmain.c:101
#15 0x00007f96f89c1bbe in g_main_dispatch (context=0x1084120) at /build/buildd/glib2.0-2.22.2/glib/gmain.c:1960
#16 IA__g_main_context_dispatch (context=0x1084120) at /build/buildd/glib2.0-2.22.2/glib/gmain.c:2513
#17 0x00007f96f89c5588 in g_main_context_iterate (context=0x1084120, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>)
    at /build/buildd/glib2.0-2.22.2/glib/gmain.c:2591
#18 0x00007f96f89c56b0 in IA__g_main_context_iteration (context=0x1084120, may_block=1) at /build/buildd/glib2.0-2.22.2/glib/gmain.c:2654
#19 0x00007f96fbb091a6 in QEventDispatcherGlib::processEvents (this=0xfec040, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#20 0x00007f96f9b254be in QGuiEventDispatcherGlib::processEvents (this=0x4, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#21 0x00007f96fbadf532 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#22 0x00007f96fbadf904 in QEventLoop::exec (this=0x7fff6f6fd4a0, flags=) at kernel/qeventloop.cpp:201
#23 0x00007f96fbae1ab9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#24 0x00007f96f127a4cf in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../plasma/shells/desktop/main.cpp:50
#25 0x0000000000406da8 in launch (argc=1, _name=<value optimized out>, args=<value optimized out>, cwd=<value optimized out>, envc=0, envs=<value optimized out>, reset_env=false, tty=0x0, 
    avoid_loops=false, startup_id_str=0x40a299 "0") at ../../kinit/kinit.cpp:677
#26 0x0000000000407aa0 in handle_launcher_request (sock=7, who=<value optimized out>) at ../../kinit/kinit.cpp:1169
#27 0x0000000000407f51 in handle_requests (waitForPid=0) at ../../kinit/kinit.cpp:1362
#28 0x0000000000408bb2 in main (argc=2, argv=<value optimized out>, envp=<value optimized out>) at ../../kinit/kinit.cpp:1793
The current source language is "auto; currently asm".
The current source language is "auto; currently c".

Reported using DrKonqi