Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.2.85 (KDE 4.2.85 (KDE 4.3 Beta1))
Qt Version: 4.5.1
Operating System: Linux 2.6.28-12-generic x86_64
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
I installed blogtk on my kubuntu desktop. I started it from lancelot menu, it didnt start but showed icon in the task manager. I clicked on it and the plasma crashed.

 -- Backtrace:
Application: Plasma Workspace (plasma-desktop), signal: Segmentation fault
[Current thread is 0 (LWP 3655)]

Thread 2 (Thread 0x7f8611f9b950 (LWP 3658)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f8630204ce9 in QWaitCondition::wait (this=0x24c18b0, mutex=0x24c18a8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  0x00007f863377f5dc in QHostInfoAgent::run (this=0x24c1890) at kernel/qhostinfo.cpp:260
#3  0x00007f8630203d02 in QThreadPrivate::start (arg=0x24c1890) at thread/qthread_unix.cpp:189
#4  0x00007f862c91a3ba in start_thread (arg=<value optimized out>) at pthread_create.c:297
#5  0x00007f862f76efcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f8634e93760 (LWP 3655)):
[KCrash Handler]
#5  0x00007f8617f34b00 in TaskManager::Task::window () from /usr/lib/libtaskmanager.so.4
#6  0x00007f8618172ade in ?? () from /usr/lib/kde4/plasma_applet_tasks.so
#7  0x00007f86302fcbb3 in QObject::event (this=0x3b49d50, e=0x4432b70) at kernel/qobject.cpp:1082
#8  0x00007f8631011e7b in QGraphicsWidget::event (this=0x3b49d50, event=0x7fff3ceca8e0) at graphicsview/qgraphicswidget.cpp:1340
#9  0x00007f86309f6b9d in QApplicationPrivate::notify_helper (this=0x1a7fed0, receiver=0x3b49d50, e=0x7fff3ceca8e0) at kernel/qapplication.cpp:4057
#10 0x00007f86309fedea in QApplication::notify (this=0x1a65b10, receiver=0x3b49d50, e=0x7fff3ceca8e0) at kernel/qapplication.cpp:4022
#11 0x00007f86330bb1ab in KApplication::notify (this=0x1a65b10, receiver=0x3b49d50, event=0x7fff3ceca8e0) at /build/buildd/kde4libs-4.2.85/kdeui/kernel/kapplication.cpp:307
#12 0x00007f86302ecdfc in QCoreApplication::notifyInternal (this=0x1a65b10, receiver=0x3b49d50, event=0x7fff3ceca8e0) at kernel/qcoreapplication.cpp:610
#13 0x00007f8630319eb6 in QTimerInfoList::activateTimers (this=0x1a836f0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#14 0x00007f86303165cd in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:164
#15 0x00007f862acea20a in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#16 0x00007f862aced8e0 in ?? () from /usr/lib/libglib-2.0.so.0
#17 0x00007f862aceda7c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#18 0x00007f863031652f in QEventDispatcherGlib::processEvents (this=0x1a4d5f0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:324
#19 0x00007f8630a8f70f in QGuiEventDispatcherGlib::processEvents (this=0x0, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#20 0x00007f86302eb6a2 in QEventLoop::processEvents (this=<value optimized out>, flags={i = 1022143312}) at kernel/qeventloop.cpp:149
#21 0x00007f86302eba6d in QEventLoop::exec (this=0x7fff3cecab90, flags={i = 1022143392}) at kernel/qeventloop.cpp:200
#22 0x00007f86302edd34 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#23 0x00007f8634a6529b in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#24 0x00007f862f6a75a6 in __libc_start_main (main=0x400890 <_start+240>, argc=1, ubp_av=0x7fff3cecae98, init=0x4008c0 <__libc_csu_init>, fini=<value optimized out>, rtld_fini=<value optimized out>, 
    stack_end=0x7fff3cecae88) at libc-start.c:220
#25 0x00000000004007c9 in _start ()