Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.00 (KDE 4.3.0)
Qt Version: 4.5.2
Operating System: Linux 2.6.30-ARCH i686

What I was doing when the application crashed:
seems to be a duplicate of [Bug 199325] tasks widget crash in AbstractTaskItem::basicPreferredSize

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 1658)]

Thread 2 (Thread 0xa8b46b70 (LWP 1662)):
#0  0xb80d0424 in __kernel_vsyscall ()
#1  0xb7e6eb95 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb7ecd047 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#3  0xb668cbd2 in ?? () from /usr/lib/libQtNetwork.so.4
#4  0xb7ecc032 in ?? () from /usr/lib/libQtCore.so.4
#5  0xb7e6a65c in start_thread () from /lib/libpthread.so.0
#6  0xb69091fe in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb5f00700 (LWP 1658)):
[KCrash Handler]
#6  AbstractTaskItem::basicPreferredSize (this=0x9e10238) at /home/jan/kdemod/core/kdebase-workspace/src/kdebase-workspace-4.3.0/plasma/applets/tasks/tasks.h:92
#7  0xa95c8389 in TaskItemLayout::maximumRows (this=0x8ee07f0) at /home/jan/kdemod/core/kdebase-workspace/src/kdebase-workspace-4.3.0/plasma/applets/tasks/taskitemlayout.cpp:185
#8  0xa95d1fd4 in TaskGroupItem::optimumCapacity (this=0x921fd10) at /home/jan/kdemod/core/kdebase-workspace/src/kdebase-workspace-4.3.0/plasma/applets/tasks/taskgroupitem.cpp:1224
#9  0xa95c32f8 in Tasks::adjustGroupingStrategy (this=0x8c16308) at /home/jan/kdemod/core/kdebase-workspace/src/kdebase-workspace-4.3.0/plasma/applets/tasks/tasks.cpp:241
#10 0xa95c358c in Tasks::constraintsEvent (this=0x8c16308, constraints=) at /home/jan/kdemod/core/kdebase-workspace/src/kdebase-workspace-4.3.0/plasma/applets/tasks/tasks.cpp:165
#11 0xb5bf6a53 in Plasma::Applet::flushPendingConstraintsEvents (this=0x8c16308) at /home/jan/kdemod/core/kdelibs/src/kdelibs-4.3.0/plasma/applet.cpp:1173
#12 0xb5bf7188 in Plasma::Applet::timerEvent (this=0x8c16308, event=0xbff8cac0) at /home/jan/kdemod/core/kdelibs/src/kdelibs-4.3.0/plasma/applet.cpp:2120
#13 0xb7fcab5f in QObject::event () from /usr/lib/libQtCore.so.4
#14 0xb71e2154 in QGraphicsWidget::event () from /usr/lib/libQtGui.so.4
#15 0xb6b94964 in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#16 0xb6b9c04c in QApplication::notify () from /usr/lib/libQtGui.so.4
#17 0xb75d7fda in KApplication::notify (this=0x891ee08, receiver=0x8c16308, event=0xbff8cac0) at /home/jan/kdemod/core/kdelibs/src/kdelibs-4.3.0/kdeui/kernel/kapplication.cpp:302
#18 0xb7fbafcb in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#19 0xb7fe879e in ?? () from /usr/lib/libQtCore.so.4
#20 0xb7fe5780 in ?? () from /usr/lib/libQtCore.so.4
#21 0xb679ed98 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#22 0xb67a23e0 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#23 0xb67a2513 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#24 0xb7fe56cc in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#25 0xb6c32695 in ?? () from /usr/lib/libQtGui.so.4
#26 0xb7fb9579 in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#27 0xb7fb99ca in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#28 0xb7fbbe3f in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#29 0xb6b947e7 in QApplication::exec () from /usr/lib/libQtGui.so.4
#30 0xb49eeb0d in kdemain (argc=1, argv=0x890b0a8) at /home/jan/kdemod/core/kdebase-workspace/src/kdebase-workspace-4.3.0/plasma/shells/desktop/main.cpp:50
#31 0x0804de42 in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x88b6318 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x8050f27 "0") at /home/jan/kdemod/core/kdelibs/src/kdelibs-4.3.0/kinit/kinit.cpp:676
#32 0x0804e9ad in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at /home/jan/kdemod/core/kdelibs/src/kdelibs-4.3.0/kinit/kinit.cpp:1168
#33 0x0804ee44 in handle_requests (waitForPid=<value optimized out>) at /home/jan/kdemod/core/kdelibs/src/kdelibs-4.3.0/kinit/kinit.cpp:1361
#34 0x0804f63f in main (argc=2, argv=0xbff8d6a4, envp=0xbff8d6b0) at /home/jan/kdemod/core/kdelibs/src/kdelibs-4.3.0/kinit/kinit.cpp:1788

This bug may be a duplicate of or related to bug 203840

Reported using DrKonqi