Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.2.95 (KDE 4.2.95 (KDE 4.3 RC1)) "release 139"
Qt Version: 4.5.2
Operating System: Linux 2.6.27.23-0.1-default x86_64
Distribution: "openSUSE 11.1 (x86_64)"

What I was doing when the application crashed:
I was using Konqueror, as filebrowser, and I was opening a new tab when plasma crashed. The desktop effects were enabled.

 -- Backtrace:
Application: Área de trabajo de Plasma (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fdb9ad7d750 (LWP 3544))]

Thread 2 (Thread 0x7fdb83ca1950 (LWP 3549)):
#0  0x00007fdb9a551d59 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fdb9a7c2e19 in QWaitCondition::wait (this=0xf34ac0, mutex=0xf34ab8, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  0x00007fdb993f887c in QHostInfoAgent::run (this=0xf34aa0) at kernel/qhostinfo.cpp:260
#3  0x00007fdb9a7c1e65 in QThreadPrivate::start (arg=0xf34aa0) at thread/qthread_unix.cpp:188
#4  0x00007fdb9a54e070 in start_thread () from /lib64/libpthread.so.0
#5  0x00007fdb970ad10d in clone () from /lib64/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fdb9ad7d750 (LWP 3544)):
[KCrash Handler]
#5  AbstractTaskItem::basicPreferredSize (this=0x926980) at /usr/src/debug/kdebase-workspace-4.2.95/plasma/applets/tasks/tasks.h:92
#6  0x00007fdb85ea6422 in TaskItemLayout::maximumRows (this=0xed6d20) at /usr/src/debug/kdebase-workspace-4.2.95/plasma/applets/tasks/taskitemlayout.cpp:185
#7  0x00007fdb85eaeaf7 in TaskGroupItem::optimumCapacity (this=0xf87c20) at /usr/src/debug/kdebase-workspace-4.2.95/plasma/applets/tasks/taskgroupitem.cpp:1198
#8  0x00007fdb85ea1d60 in Tasks::adjustGroupingStrategy (this=0xc867c0) at /usr/src/debug/kdebase-workspace-4.2.95/plasma/applets/tasks/tasks.cpp:241
#9  0x00007fdb85ea1f78 in Tasks::constraintsEvent (this=0xc867c0, constraints={i = -1760571328}) at /usr/src/debug/kdebase-workspace-4.2.95/plasma/applets/tasks/tasks.cpp:165
#10 0x00007fdb91c64e39 in Plasma::Applet::flushPendingConstraintsEvents (this=0xc867c0) at /usr/src/debug/kdelibs-4.2.95/plasma/applet.cpp:1160
#11 0x00007fdb91c655b5 in Plasma::Applet::timerEvent (this=0xc867c0, event=<value optimized out>) at /usr/src/debug/kdelibs-4.2.95/plasma/applet.cpp:2090
#12 0x00007fdb9a8bb533 in QObject::event (this=0xc867c0, e=0x7fdb970fd040) at kernel/qobject.cpp:1075
#13 0x00007fdb9822071b in QGraphicsWidget::event (this=0xc867c0, event=0x7fffa2dbb9a0) at graphicsview/qgraphicswidget.cpp:1340
#14 0x00007fdb97c4bb0d in QApplicationPrivate::notify_helper (this=0x67b6e0, receiver=0xc867c0, e=0x7fffa2dbb9a0) at kernel/qapplication.cpp:4056
#15 0x00007fdb97c53d9a in QApplication::notify (this=0x6727f0, receiver=0xc867c0, e=0x7fffa2dbb9a0) at kernel/qapplication.cpp:4021
#16 0x00007fdb98d365cb in KApplication::notify (this=0x6727f0, receiver=0xc867c0, event=0x7fffa2dbb9a0) at /usr/src/debug/kdelibs-4.2.95/kdeui/kernel/kapplication.cpp:302
#17 0x00007fdb9a8ab94c in QCoreApplication::notifyInternal (this=0x6727f0, receiver=0xc867c0, event=0x7fffa2dbb9a0) at kernel/qcoreapplication.cpp:610
#18 0x00007fdb9a8d8b60 in QTimerInfoList::activateTimers (this=0x67f1b0) at kernel/qcoreapplication.h:213
#19 0x00007fdb9a8d4ddd in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:165
#20 0x00007fdb9672b0fb in g_main_context_dispatch () from /usr/lib64/libglib-2.0.so.0
#21 0x00007fdb9672e8cd in ?? () from /usr/lib64/libglib-2.0.so.0
#22 0x00007fdb9672ea8b in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#23 0x00007fdb9a8d4d3f in QEventDispatcherGlib::processEvents (this=0x67b040, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:327
#24 0x00007fdb97ce2fef in QGuiEventDispatcherGlib::processEvents (this=0xf00000000000002, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#25 0x00007fdb9a8aa1d2 in QEventLoop::processEvents (this=<value optimized out>, flags={i = -1562657600}) at kernel/qeventloop.cpp:149
#26 0x00007fdb9a8aa5a4 in QEventLoop::exec (this=0x7fffa2dbbd00, flags={i = -1562657520}) at kernel/qeventloop.cpp:201
#27 0x00007fdb9a8ac894 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#28 0x00007fdb8e243b1b in kdemain (argc=1, argv=0x614c30) at /usr/src/debug/kdebase-workspace-4.2.95/plasma/shells/desktop/main.cpp:50
#29 0x000000000040724e in launch (argc=1, _name=0x657e28 "/usr/bin/plasma-desktop", args=<value optimized out>, cwd=0x0, envc=0, envs=0x657e48 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x40a3fd "0") at /usr/src/debug/kdelibs-4.2.95/kinit/kinit.cpp:672
#30 0x0000000000407a78 in handle_launcher_request (sock=7, who=<value optimized out>) at /usr/src/debug/kdelibs-4.2.95/kinit/kinit.cpp:1164
#31 0x0000000000408025 in handle_requests (waitForPid=0) at /usr/src/debug/kdelibs-4.2.95/kinit/kinit.cpp:1357
#32 0x0000000000408b66 in main (argc=2, argv=0x7fffa2dbcb98, envp=0x7fffa2dbcbb0) at /usr/src/debug/kdelibs-4.2.95/kinit/kinit.cpp:1784

This bug may be a duplicate of or related to bug 196848

Reported using DrKonqi