Version:            (using Devel)
OS:                Linux
Installed from:    Compiled sources

Right clicking on the digital clock and removing it crashes plasma regularly.  I have gone back to default settings and it is still happening.  Removing other widgets does not crash.

Application: Plasma Workspace (plasma), signal SIGABRT
Using host libthread_db library "/lib/libthread_db.so.1".
0x00007f043bf897e1 in nanosleep () from /lib64/libc.so.6
Current language:  auto; currently c
[Current thread is 0 (LWP 3759)]

Thread 4 (Thread 0x40e3a950 (LWP 3775)):
#0  0x00007f043ea95696 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f043ed04315 in QWaitCondition::wait (this=<value optimized out>, mutex=0x9ddb58, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  0x00007f043f663fde in QHostInfoAgent::run (this=0x9ddb40) at kernel/qhostinfo.cpp:247
#3  0x00007f043ed03330 in QThreadPrivate::start (arg=0x9ddb40) at thread/qthread_unix.cpp:191
#4  0x00007f043ea91037 in start_thread (arg=<value optimized out>) at pthread_create.c:296
#5  0x00007f043bfb728d in clone () from /lib64/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x4163b950 (LWP 3780)):
#0  0x00007f043ea95696 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f043ed04315 in QWaitCondition::wait (this=<value optimized out>, mutex=0x714db8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  0x00007f0434ff1fc8 in RenderThread::run (this=0x714da8) at /var/tmp/portage/kde-base/plasma-workspace-9999/work/plasma-workspace/plasma/wallpapers/image/renderthread.cpp:90
#3  0x00007f043ed03330 in QThreadPrivate::start (arg=0x714da8) at thread/qthread_unix.cpp:191
#4  0x00007f043ea91037 in start_thread (arg=<value optimized out>) at pthread_create.c:296
#5  0x00007f043bfb728d in clone () from /lib64/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x41e3c950 (LWP 3781)):
#0  0x00007f043ea95696 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007f043ed04315 in QWaitCondition::wait (this=<value optimized out>, mutex=0x811e08, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  0x00007f0434ff1fc8 in RenderThread::run (this=0x811df8) at /var/tmp/portage/kde-base/plasma-workspace-9999/work/plasma-workspace/plasma/wallpapers/image/renderthread.cpp:90
#3  0x00007f043ed03330 in QThreadPrivate::start (arg=0x811df8) at thread/qthread_unix.cpp:191
#4  0x00007f043ea91037 in start_thread (arg=<value optimized out>) at pthread_create.c:296
#5  0x00007f043bfb728d in clone () from /lib64/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f04439a8750 (LWP 3759)):
[KCrash Handler]
#5  0x00007f043bf273c5 in *__GI_raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#6  0x00007f043bf2873e in *__GI_abort () at abort.c:88
#7  0x00007f043c77db74 in __gnu_cxx::__verbose_terminate_handler () from /usr/lib/gcc/x86_64-pc-linux-gnu/4.1.2/libstdc++.so.6
#8  0x00007f043c77c046 in ?? () from /usr/lib/gcc/x86_64-pc-linux-gnu/4.1.2/libstdc++.so.6
#9  0x00007f043c77c069 in std::terminate () from /usr/lib/gcc/x86_64-pc-linux-gnu/4.1.2/libstdc++.so.6
#10 0x00007f043c77c4ab in __cxa_pure_virtual () from /usr/lib/gcc/x86_64-pc-linux-gnu/4.1.2/libstdc++.so.6
#11 0x00007f043e162864 in QGraphicsItem::sceneBoundingRect (this=0xeaf) at graphicsview/qgraphicsitem.cpp:2661
#12 0x00007f043e18228c in QGraphicsScenePrivate::estimateItemsInRect (this=<value optimized out>, rect=@0x7fff4baf98b0) at graphicsview/qgraphicsscene.cpp:356
#13 0x00007f043e1900eb in QGraphicsViewPrivate::itemsInArea (this=<value optimized out>, path=@0x7fff4baf9a20, mode=Qt::IntersectsItemShape) at graphicsview/qgraphicsview.cpp:1768
#14 0x00007f043e19136c in QGraphicsView::items (this=<value optimized out>, pos=@0x7fff4baf9c20) at graphicsview/qgraphicsview.cpp:1827
#15 0x00007f043e19145a in QGraphicsView::itemAt (this=0xeaf, pos=@0x6) at graphicsview/qgraphicsview.cpp:1934
#16 0x00007f043e1602dd in QGraphicsItem::unsetCursor (this=0x957e30) at graphicsview/qgraphicsitem.cpp:1370
#17 0x00007f043e1ae203 in QGraphicsProxyWidgetPrivate::setWidget_helper (this=0xa757a0, newWidget=0x0, autoShow=true) at graphicsview/qgraphicsproxywidget.cpp:571
#18 0x00007f043e1ae799 in ~QGraphicsProxyWidget (this=0xeaf) at graphicsview/qgraphicsproxywidget.cpp:525
#19 0x00007f04433baeb3 in ~Label (this=0x957e20) at /var/tmp/portage/kde-base/libplasma-9999/work/libplasma/libs/plasma/widgets/label.cpp:102
#20 0x00007f043e168c75 in ~QGraphicsItem (this=0x9cd2a0) at graphicsview/qgraphicsitem.cpp:822
#21 0x00007f043e19c93a in ~QGraphicsWidget (this=0x9cd290) at graphicsview/qgraphicswidget.cpp:224
#22 0x00007f0443374e89 in ~Extender (this=0x9cd290) at /var/tmp/portage/kde-base/libplasma-9999/work/libplasma/libs/plasma/extender.cpp:67
#23 0x00007f044334ea83 in ~AppletPrivate (this=0x761c50) at /var/tmp/portage/kde-base/libplasma-9999/work/libplasma/libs/plasma/applet.cpp:1702
#24 0x00007f0443352bb6 in ~Applet (this=0x6fb960) at /var/tmp/portage/kde-base/libplasma-9999/work/libplasma/libs/plasma/applet.cpp:151
#25 0x00007f0433780308 in ~Clock (this=0x6fb960) at /var/tmp/portage/kde-base/plasma-workspace-9999/work/plasma-workspace/plasma/applets/digital-clock/clock.cpp:68
#26 0x00007f043edf3f17 in QObject::event (this=0x6fb960, e=0xeaf) at kernel/qobject.cpp:1136
#27 0x00007f043e19ed11 in QGraphicsWidget::event (this=0x6fb960, event=0xd19870) at graphicsview/qgraphicswidget.cpp:1245
#28 0x00007f043dc46f50 in QApplicationPrivate::notify_helper (this=0x63b2a0, receiver=0x6fb960, e=0xd19870) at kernel/qapplication.cpp:3809
#29 0x00007f043dc48b3b in QApplication::notify (this=0x62e630, receiver=0x6fb960, e=0xd19870) at kernel/qapplication.cpp:3774
#30 0x00007f044156516c in KApplication::notify (this=0x62e630, receiver=0x6fb960, event=0xd19870) at /var/tmp/portage/kde-base/kdelibs-9999/work/kdelibs-9999/kdeui/kernel/kapplication.cpp:307
#31 0x00007f043ede3f9f in QCoreApplication::notifyInternal (this=0x62e630, receiver=0x6fb960, event=0xd19870) at kernel/qcoreapplication.cpp:593
#32 0x00007f043ede5018 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x603b70) at kernel/qcoreapplication.h:215
#33 0x00007f043dccbfd7 in QEventDispatcherX11::processEvents (this=0x63ab20, flags=@0x7fff4bafa790) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#34 0x00007f043ede353b in QEventLoop::processEvents (this=<value optimized out>, flags=@0x7fff4bafa7d0) at kernel/qeventloop.cpp:149
#35 0x00007f043ede3691 in QEventLoop::exec (this=0x7fff4bafa810, flags=@0x7fff4bafa820) at kernel/qeventloop.cpp:200
#36 0x00007f043ede53d0 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:851
#37 0x00007f04436ac304 in kdemain (argc=1, argv=0x7fff4bafab98) at /var/tmp/portage/kde-base/plasma-workspace-9999/work/plasma-workspace/plasma/shells/desktop/main.cpp:58
#38 0x00007f043bf14b74 in __libc_start_main (main=0x4009a0 <main>, argc=1, ubp_av=0x7fff4bafab98, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, 
    stack_end=0x7fff4bafab88) at libc-start.c:229
#39 0x0000000000400929 in _start ()