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 2.6.28-13-generic i686
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
I was doing nothing special, but the thing that I see is that the size of the panel is not correct. see attached screenshot later on

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 2875)]

Thread 2 (Thread 0xa89b2b90 (LWP 2884)):
#0  0xb7eef430 in __kernel_vsyscall ()
#1  0xb63bd0e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb659d2ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb7cf09b2 in QWaitCondition::wait (this=0x9d2b518, mutex=0x9d2b514, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  0xb762c152 in QHostInfoAgent::run (this=0x9d2b508) at kernel/qhostinfo.cpp:260
#5  0xb7cef96e in QThreadPrivate::start (arg=0x9d2b508) at thread/qthread_unix.cpp:189
#6  0xb63b94ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb658e49e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb5ec7a10 (LWP 2875)):
[KCrash Handler]
#6  0xb6efed68 in QGridLayoutItem::setGeometry (this=0xa26cf40, rect=@0xbfd0c770) at graphicsview/qgridlayoutengine.cpp:642
#7  0xb6f04c82 in QGridLayoutEngine::setGeometries (this=0x9f558cc, styleInfo=@0xbfd0c7fc, contentsGeometry=@0xbfd0c7d8) at graphicsview/qgridlayoutengine.cpp:1022
#8  0xb6f0d3b4 in QGraphicsGridLayout::setGeometry (this=0x9f5bd50, rect=@0xbfd0c8e0) at graphicsview/qgraphicsgridlayout.cpp:605
#9  0xb6efed6b in QGridLayoutItem::setGeometry (this=0x9f55ad8, rect=@0xbfd0c8e0) at graphicsview/qgridlayoutengine.cpp:642
#10 0xb6f04c82 in QGridLayoutEngine::setGeometries (this=0x9f5a190, styleInfo=@0xbfd0c96c, contentsGeometry=@0xbfd0c948) at graphicsview/qgridlayoutengine.cpp:1022
#11 0xb6ef3454 in QGraphicsLinearLayout::setGeometry (this=0x9a533e8, rect=@0xbfd0c9c8) at graphicsview/qgraphicslinearlayout.cpp:498
#12 0xb6ef04ef in QGraphicsLayout::activate (this=0x9a533e8) at graphicsview/qgraphicslayout.cpp:269
#13 0xb6ef056c in QGraphicsLayout::widgetEvent (this=0x9a533e8, e=0xa1a6cd0) at graphicsview/qgraphicslayout.cpp:366
#14 0xb6ef6c33 in QGraphicsWidget::event (this=0x9f567d8, event=0xa1a6cd0) at graphicsview/qgraphicswidget.cpp:1241
#15 0xb6873e9c in QApplicationPrivate::notify_helper (this=0x954d288, receiver=0x9f567d8, e=0xa1a6cd0) at kernel/qapplication.cpp:4084
#16 0xb687c19e in QApplication::notify (this=0x9547498, receiver=0x9f567d8, e=0xa1a6cd0) at kernel/qapplication.cpp:3631
#17 0xb73ae3dd in KApplication::notify (this=0x9547498, receiver=0x9f567d8, event=0xa1a6cd0) at /build/buildd/kde4libs-4.2.95/kdeui/kernel/kapplication.cpp:302
#18 0xb7de3a3b in QCoreApplication::notifyInternal (this=0x9547498, receiver=0x9f567d8, event=0xa1a6cd0) at kernel/qcoreapplication.cpp:602
#19 0xb7de4695 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x94e42c8) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#20 0xb7de488d in QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) at kernel/qcoreapplication.cpp:1132
#21 0xb7e0f7ef in postEventSourceDispatch (s=0x954f320) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:218
#22 0xb6406b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#23 0xb640a0eb in ?? () from /usr/lib/libglib-2.0.so.0
#24 0xb640a268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#25 0xb7e0f438 in QEventDispatcherGlib::processEvents (this=0x954c760, flags={i = -1076834392}) at kernel/qeventdispatcher_glib.cpp:323
#26 0xb6915365 in QGuiEventDispatcherGlib::processEvents (this=0x954c760, flags={i = -1076834344}) at kernel/qguieventdispatcher_glib.cpp:202
#27 0xb7de206a in QEventLoop::processEvents (this=0xbfd0d050, flags={i = -1076834280}) at kernel/qeventloop.cpp:149
#28 0xb7de24aa in QEventLoop::exec (this=0xbfd0d050, flags={i = -1076834216}) at kernel/qeventloop.cpp:200
#29 0xb7de4959 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:880
#30 0xb6873d17 in QApplication::exec () at kernel/qapplication.cpp:3553
#31 0xb4a1e510 in kdemain (argc=1, argv=0x9534eb0) at /build/buildd/kdebase-workspace-4.2.95/plasma/shells/desktop/main.cpp:50
#32 0x0804e1c0 in launch (argc=1, _name=0x9533f84 "/usr/bin/plasma-desktop", args=0x9533f9c "", cwd=0x0, envc=0, envs=0x9533fa0 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x80512d1 "0") at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:672
#33 0x0804e99d in handle_launcher_request (sock=7, who=<value optimized out>) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1164
#34 0x0804ef25 in handle_requests (waitForPid=0) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1357
#35 0x0804fb0a in main (argc=2, argv=0xbfd0d844, envp=0xbfd0d850) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1784

Reported using DrKonqi