Application: plasma-desktop (0.3)
KDE Version: 4.3.65 (KDE 4.3.65 (KDE 4.4 >= 20090820)) (Compiled from sources)
Qt Version: 4.5.2
Operating System: Linux 2.6.30-ARCH x86_64

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 12188)]

Thread 2 (Thread 0x7fbd69fe0910 (LWP 12191)):
#0  0x00007fbd8a241dd9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007fbd8a4b134b in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#2  0x00007fbd890dc44c in ?? () from /usr/lib/libQtNetwork.so.4
#3  0x00007fbd8a4b0285 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007fbd8a23d57a in start_thread () from /lib/libpthread.so.0
#5  0x00007fbd86d3f14d in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fbd8aa5f750 (LWP 12188)):
[KCrash Handler]
#5  AbstractTaskItem::basicPreferredSize (this=0x31d3630) at /home/kde4/kdesvn/kdebase/workspace/plasma/applets/tasks/tasks.h:88
#6  0x00007fbd6c5624a5 in TaskItemLayout::preferredColumns (this=0x28678e0) at /home/kde4/kdesvn/kdebase/workspace/plasma/applets/tasks/taskitemlayout.cpp:208
#7  0x00007fbd6c562e0d in TaskItemLayout::gridLayoutSize (this=0x28678e0) at /home/kde4/kdesvn/kdebase/workspace/plasma/applets/tasks/taskitemlayout.cpp:224
#8  0x00007fbd6c562e9b in TaskItemLayout::layoutItems (this=0xbff0000000000000) at /home/kde4/kdesvn/kdebase/workspace/plasma/applets/tasks/taskitemlayout.cpp:247
#9  0x00007fbd6c56394f in TaskItemLayout::insert (this=0x28678e0, index=<value optimized out>, item=0x3243730) at /home/kde4/kdesvn/kdebase/workspace/plasma/applets/tasks/taskitemlayout.cpp:123
#10 0x00007fbd6c563a70 in TaskItemLayout::addTaskItem (this=0x28678e0, item=0x3243730) at /home/kde4/kdesvn/kdebase/workspace/plasma/applets/tasks/taskitemlayout.cpp:80
#11 0x00007fbd6c56dbd8 in TaskGroupItem::itemAdded (this=0x288b7f0, groupableItem=0x326aa80) at /home/kde4/kdesvn/kdebase/workspace/plasma/applets/tasks/taskgroupitem.cpp:481
#12 0x00007fbd6c56f964 in TaskGroupItem::qt_metacall (this=0x288b7f0, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffd42e68e0)
    at /home/kde4/kdesvn/kdebase/workspace/plasma/applets/tasks/taskgroupitem.moc:113
#13 0x00007fbd8a5aadec in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#14 0x00007fbd6c9aa21f in TaskManager::TaskGroup::itemAdded (this=0xbff0000000000000, _t1=0x326aa80) at /home/kde4/kdesvn/kdebase/workspace/libs/taskmanager/taskgroup.moc:145
#15 0x00007fbd6c9aabcf in TaskManager::TaskGroup::add (this=0x288b790, item=0x326aa80) at /home/kde4/kdesvn/kdebase/workspace/libs/taskmanager/taskgroup.cpp:138
#16 0x00007fbd6c992b95 in TaskManager::AbstractGroupingStrategy::closeGroup (this=0x27d5d00, group=0x258be60) at /home/kde4/kdesvn/kdebase/workspace/libs/taskmanager/abstractgroupingstrategy.cpp:168
#17 0x00007fbd6c99955f in TaskManager::ProgramGroupingStrategy::checkGroup (this=0x27d5d00) at /home/kde4/kdesvn/kdebase/workspace/libs/taskmanager/strategies/programgroupingstrategy.cpp:206
#18 0x00007fbd6c99a61c in TaskManager::ProgramGroupingStrategy::qt_metacall (this=0x27d5d00, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffd42e6b40)
    at /home/kde4/kdesvn/kdebase/workspace/libs/taskmanager/programgroupingstrategy.moc:70
#19 0x00007fbd8a5aadec in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#20 0x00007fbd6c9aa1e2 in TaskManager::TaskGroup::itemRemoved (this=0xbff0000000000000, _t1=0x2eda4d0) at /home/kde4/kdesvn/kdebase/workspace/libs/taskmanager/taskgroup.moc:152
#21 0x00007fbd6c9aaa71 in TaskManager::TaskGroup::remove (this=0x258be60, item=0x2eda4d0) at /home/kde4/kdesvn/kdebase/workspace/libs/taskmanager/taskgroup.cpp:189
#22 0x00007fbd6c9956ab in TaskManager::GroupManagerPrivate::removeTask (this=0x285abb0, task=) at /home/kde4/kdesvn/kdebase/workspace/libs/taskmanager/groupmanager.cpp:311
#23 0x00007fbd6c995b93 in TaskManager::GroupManagerPrivate::actuallyReloadTasks (this=0x285abb0) at /home/kde4/kdesvn/kdebase/workspace/libs/taskmanager/groupmanager.cpp:164
#24 0x00007fbd6c996f89 in TaskManager::GroupManager::qt_metacall (this=0x2853540, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffd42e6d80)
    at /home/kde4/kdesvn/kdebase/workspace/libs/taskmanager/groupmanager.moc:108
#25 0x00007fbd8a5aadec in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#26 0x00007fbd8a5a4d93 in QObject::event () from /usr/lib/libQtCore.so.4
#27 0x00007fbd8790d69c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#28 0x00007fbd8791496e in QApplication::notify () from /usr/lib/libQtGui.so.4
#29 0x00007fbd88a14746 in KApplication::notify (this=0x20c9a90, receiver=0x285ac18, event=0x7fffd42e7380) at /home/kde4/kdesvn/kdelibs/kdeui/kernel/kapplication.cpp:302
#30 0x00007fbd8a595cec in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#31 0x00007fbd8a5c1302 in ?? () from /usr/lib/libQtCore.so.4
#32 0x00007fbd8a5be26d in ?? () from /usr/lib/libQtCore.so.4
#33 0x00007fbd863c9dbe in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#34 0x00007fbd863cd568 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#35 0x00007fbd863cd690 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#36 0x00007fbd8a5be1b6 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#37 0x00007fbd879a064e in ?? () from /usr/lib/libQtGui.so.4
#38 0x00007fbd8a5945f2 in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#39 0x00007fbd8a5949c4 in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#40 0x00007fbd8a596b79 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#41 0x00007fbd7d99217d in kdemain (argc=<value optimized out>, argv=<value optimized out>) at /home/kde4/kdesvn/kdebase/workspace/plasma/shells/desktop/main.cpp:112
#42 0x00000000004070be in launch (argc=1, _name=<value optimized out>, args=<value optimized out>, cwd=<value optimized out>, envc=0, envs=<value optimized out>, reset_env=false, tty=0x0, 
    avoid_loops=false, startup_id_str=0x40a307 "0") at /home/kde4/kdesvn/kdelibs/kinit/kinit.cpp:705
#43 0x0000000000407ccd in handle_launcher_request (sock=8, who=<value optimized out>) at /home/kde4/kdesvn/kdelibs/kinit/kinit.cpp:1197
#44 0x00000000004081b1 in handle_requests (waitForPid=0) at /home/kde4/kdesvn/kdelibs/kinit/kinit.cpp:1390
#45 0x0000000000408962 in main (argc=4, argv=<value optimized out>, envp=<value optimized out>) at /home/kde4/kdesvn/kdelibs/kinit/kinit.cpp:1825

This bug may be a duplicate of or related to bug 205299.

Reported using DrKonqi