Application that crashed: plasma-desktop
KDE Version: KDE 4.2.98 (KDE 4.3 RC3)
Qt Version: 4.5.2
Operating System: Linux 2.6.28-14-generic x86_64
Distribution: Ubuntu 9.04

unchecking "Show Friends" cause the crash.

Created attachment 35751 [details]
backtrace

Mario: thanks for the backtrace; please just paste them into the comments, however, so that we can search for them using bugzilla's search functions. thanks.


Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 9301)]

Thread 3 (Thread 0x7f6b6d58a950 (LWP 9305)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f6b8e2a9d19 in QWaitCondition::wait (this=0x26bd410, mutex=0x26bd408, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  0x00007f6b8d13381c in QHostInfoAgent::run (this=0x26bd3f0) at kernel/qhostinfo.cpp:260
#3  0x00007f6b8e2a8d35 in QThreadPrivate::start (arg=0x26bd3f0) at thread/qthread_unix.cpp:188
#4  0x00007f6b8a1a23ba in start_thread (arg=<value optimized out>) at pthread_create.c:297
#5  0x00007f6b8ad86fcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f6b69255950 (LWP 9310)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:217
#1  0x00007f6b8e2a8785 in thread_sleep (ti=0x7f6b69254fb0) at thread/qthread_unix.cpp:297
#2  0x00007f6b8e2a88ee in QThread::msleep (msecs=50) at thread/qthread_unix.cpp:323
#3  0x00007f6b6ee2610e in ?? () from /usr/lib/kde4/plasma_applet_cwp.so
#4  0x00007f6b8e2a8d35 in QThreadPrivate::start (arg=0x293bc60) at thread/qthread_unix.cpp:188
#5  0x00007f6b8a1a23ba in start_thread (arg=<value optimized out>) at pthread_create.c:297
#6  0x00007f6b8ad86fcd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f6b8e86d750 (LWP 9301)):
[KCrash Handler]
#5  KConfigGroup::writeEntry (this=0x7fff968a16c0, key=0x7f6b6f075ee6 "password", value=@0x7fff968a1630, flags=<value optimized out>) at /usr/include/qt4/QtCore/qshareddata.h:187
#6  0x00007f6b8de6bfcd in KConfigGroup::writeEntry (this=0x7fff968a16c0, key=0x7f6b6f075ee6 "password", value=<value optimized out>, flags=<value optimized out>)
    at /build/buildd/kde4libs-4.2.98a/kdecore/config/kconfiggroup.cpp:904
#7  0x00007f6b6f06d64d in MicroBlog::downloadHistory (this=0x23bf370) at /build/buildd/kdeplasma-addons-4.2.98/applets/microblog/microblog.cpp:829
#8  0x00007f6b6f0727e2 in MicroBlog::configAccepted (this=0x23bf370) at /build/buildd/kdeplasma-addons-4.2.98/applets/microblog/microblog.cpp:703
#9  0x00007f6b6f0737d0 in MicroBlog::qt_metacall (this=0x23bf370, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff968a1a30)
    at /build/buildd/kdeplasma-addons-4.2.98/obj-x86_64-linux-gnu/applets/microblog/microblog.moc:96
#10 0x00007f6b8e3a7ea2 in QMetaObject::activate (sender=0x32e59e0, from_signal_index=<value optimized out>, to_signal_index=45, argv=0x7fff968a1640) at kernel/qobject.cpp:3113
#11 0x00007f6b8c9e41a8 in KDialog::slotButtonClicked (this=0x32e59e0, button=4) at /build/buildd/kde4libs-4.2.98a/kdeui/dialogs/kdialog.cpp:854
#12 0x00007f6b8c9e629d in KDialog::qt_metacall (this=0x32e59e0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff968a1c30)
    at /build/buildd/kde4libs-4.2.98a/obj-x86_64-linux-gnu/kdeui/kdialog.moc:184
#13 0x00007f6b8ca9c1a6 in KPageDialog::qt_metacall (this=0x7fff968a1630, _c=1862754022, _id=-1769335295, _a=0x7fff968a1640)
    at /build/buildd/kde4libs-4.2.98a/obj-x86_64-linux-gnu/kdeui/kpagedialog.moc:64
#14 0x00007f6b8c9d2f25 in KConfigDialog::qt_metacall (this=0x7fff968a1630, _c=1862754022, _id=-1769335295, _a=0x7fff968a1640)
    at /build/buildd/kde4libs-4.2.98a/obj-x86_64-linux-gnu/kdeui/kconfigdialog.moc:78
#15 0x00007f6b8e3a7ea2 in QMetaObject::activate (sender=0x32e6e88, from_signal_index=<value optimized out>, to_signal_index=4, argv=0x7fff968a1640) at kernel/qobject.cpp:3113
#16 0x00007f6b8e3aac3e in QSignalMapper::mapped (this=0x7fff968a1630, _t1=4) at .moc/release-shared/moc_qsignalmapper.cpp:95
#17 0x00007f6b8e3ab4e0 in QSignalMapper::map (this=0x32e6e88, sender=0x2aeb8b0) at kernel/qsignalmapper.cpp:266
#18 0x00007f6b8e3ac0d0 in QSignalMapper::qt_metacall (this=0x32e6e88, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff968a1db0) at .moc/release-shared/moc_qsignalmapper.cpp:81
#19 0x00007f6b8e3a7ea2 in QMetaObject::activate (sender=0x2aeb8b0, from_signal_index=<value optimized out>, to_signal_index=30, argv=0x7fff968a1640) at kernel/qobject.cpp:3113
#20 0x00007f6b8bf7fe27 in QAbstractButton::clicked (this=0x7fff968a1630, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:200
#21 0x00007f6b8bcd9c6b in QAbstractButtonPrivate::emitClicked (this=0x32f2170) at widgets/qabstractbutton.cpp:543
#22 0x00007f6b8bcdb8c2 in QAbstractButtonPrivate::click (this=0x32f2170) at widgets/qabstractbutton.cpp:536
#23 0x00007f6b8bcdbb15 in QAbstractButton::mouseReleaseEvent (this=0x2aeb8b0, e=0x7fff968a2580) at widgets/qabstractbutton.cpp:1115
#24 0x00007f6b8b9af0bf in QWidget::event (this=0x2aeb8b0, event=0x7fff968a2580) at kernel/qwidget.cpp:7549
#25 0x00007f6b8b95df4d in QApplicationPrivate::notify_helper (this=0x1b0fa20, receiver=0x2aeb8b0, e=0x7fff968a2580) at kernel/qapplication.cpp:4056
#26 0x00007f6b8b9668ea in QApplication::notify (this=<value optimized out>, receiver=0x2aeb8b0, e=0x7fff968a2580) at kernel/qapplication.cpp:3758
#27 0x00007f6b8ca7071b in KApplication::notify (this=0x1ad0bb0, receiver=0x2aeb8b0, event=0x7fff968a2580) at /build/buildd/kde4libs-4.2.98a/kdeui/kernel/kapplication.cpp:302
#28 0x00007f6b8e3926ac in QCoreApplication::notifyInternal (this=0x1ad0bb0, receiver=0x2aeb8b0, event=0x7fff968a2580) at kernel/qcoreapplication.cpp:610
#29 0x00007f6b8b965b38 in QApplicationPrivate::sendMouseEvent (receiver=0x2aeb8b0, event=0x7fff968a2580, alienWidget=0x2aeb8b0, nativeWidget=0x32e59e0, buttonDown=<value optimized out>, 
    lastMouseReceiver=@0x7f6b8c395010) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:216
#30 0x00007f6b8b9cfb19 in QETWidget::translateMouseEvent (this=0x32e59e0, event=<value optimized out>) at kernel/qapplication_x11.cpp:4409
#31 0x00007f6b8b9ceb53 in QApplication::x11ProcessEvent (this=0x1ad0bb0, event=0x7fff968a4100) at kernel/qapplication_x11.cpp:3550
#32 0x00007f6b8b9f7454 in x11EventSourceDispatch (s=0x1b13080, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#33 0x00007f6b8a3f120a in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#34 0x00007f6b8a3f48e0 in ?? () from /usr/lib/libglib-2.0.so.0
#35 0x00007f6b8a3f4a7c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#36 0x00007f6b8e3bba8f in QEventDispatcherGlib::processEvents (this=0x1b0f550, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#37 0x00007f6b8b9f6bdf in QGuiEventDispatcherGlib::processEvents (this=0x7fff968a1630, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#38 0x00007f6b8e390f42 in QEventLoop::processEvents (this=<value optimized out>, flags={i = -1769323536}) at kernel/qeventloop.cpp:149
#39 0x00007f6b8e391314 in QEventLoop::exec (this=0x7fff968a4430, flags={i = -1769323456}) at kernel/qeventloop.cpp:201
#40 0x00007f6b8e3935e4 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#41 0x00007f6b82fca6bb in kdemain (argc=1, argv=0x1a81e00) at /build/buildd/kdebase-workspace-4.2.98/plasma/shells/desktop/main.cpp:50
#42 0x0000000000407215 in launch (argc=1, _name=0x1ac3fb8 "/usr/bin/plasma-desktop", args=<value optimized out>, cwd=0x0, envc=0, envs=0x1ac3fd8 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x40a3c9 "0") at /build/buildd/kde4libs-4.2.98a/kinit/kinit.cpp:676
#43 0x0000000000407a38 in handle_launcher_request (sock=7, who=<value optimized out>) at /build/buildd/kde4libs-4.2.98a/kinit/kinit.cpp:1168
#44 0x0000000000407fe5 in handle_requests (waitForPid=0) at /build/buildd/kde4libs-4.2.98a/kinit/kinit.cpp:1361
#45 0x0000000000408b26 in main (argc=2, argv=0x7fff968a52d8, envp=0x7fff968a52f0) at /build/buildd/kde4libs-4.2.98a/kinit/kinit.cpp:1788