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 2.6.28-15-generic i686
Distribution: Ubuntu 9.04

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 3324)]

Thread 2 (Thread 0xa9352b90 (LWP 3325)):
#0  0xb7f89430 in __kernel_vsyscall ()
#1  0xb64a90e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb66892ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb7d8b172 in QWaitCondition::wait (this=0xa1c5e60, mutex=0xa1c5e5c, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  0xb76cbac2 in QHostInfoAgent::run (this=0xa1c5e50) at kernel/qhostinfo.cpp:260
#5  0xb7d8a132 in QThreadPrivate::start (arg=0xa1c5e50) at thread/qthread_unix.cpp:188
#6  0xb64a54ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb667a49e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb5fb3a10 (LWP 3324)):
[KCrash Handler]
#6  AbstractTaskItem::basicPreferredSize (this=0xa0c10e8) at /build/buildd/kdebase-workspace-4.3.0/plasma/applets/tasks/tasks.h:92
#7  0xa95364d1 in TaskItemLayout::preferredColumns (this=0xa0ddfb8) at /build/buildd/kdebase-workspace-4.3.0/plasma/applets/tasks/taskitemlayout.cpp:206
#8  0xa9536efd in TaskItemLayout::gridLayoutSize (this=0xa0ddfb8) at /build/buildd/kdebase-workspace-4.3.0/plasma/applets/tasks/taskitemlayout.cpp:222
#9  0xa9536fbb in TaskItemLayout::layoutItems (this=0xa0ddfb8) at /build/buildd/kdebase-workspace-4.3.0/plasma/applets/tasks/taskitemlayout.cpp:245
#10 0xa9537ba2 in TaskItemLayout::insert (this=0xa0ddfb8, index=5, item=0xafb8478) at /build/buildd/kdebase-workspace-4.3.0/plasma/applets/tasks/taskitemlayout.cpp:125
#11 0xa9537d97 in TaskItemLayout::addTaskItem (this=0xa0ddfb8, item=0xafb8478) at /build/buildd/kdebase-workspace-4.3.0/plasma/applets/tasks/taskitemlayout.cpp:82
#12 0xa9544ae5 in TaskGroupItem::itemAdded (this=0xa2bb498, groupableItem=0xa11be90) at /build/buildd/kdebase-workspace-4.3.0/plasma/applets/tasks/taskgroupitem.cpp:477
#13 0xa954514c in TaskGroupItem::qt_metacall (this=0xa2bb498, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0xbf8a3e5c)
    at /build/buildd/kdebase-workspace-4.3.0/obj-i486-linux-gnu/plasma/applets/tasks/taskgroupitem.moc:113
#14 0xb7e941b8 in QMetaObject::activate (sender=0xa2f7e58, from_signal_index=21, to_signal_index=21, argv=0xbf8a3e5c) at kernel/qobject.cpp:3113
#15 0xb7e94e42 in QMetaObject::activate (sender=0xa2f7e58, m=0xa9521b74, local_signal_index=0, argv=0xbf8a3e5c) at kernel/qobject.cpp:3187
#16 0xa9512f23 in TaskManager::TaskGroup::itemAdded (this=0xa2f7e58, _t1=0xa11be90) at /build/buildd/kdebase-workspace-4.3.0/obj-i486-linux-gnu/libs/taskmanager/taskgroup.moc:139
#17 0xa9513b85 in TaskManager::TaskGroup::add (this=0xa2f7e58, item=0xa11be90) at /build/buildd/kdebase-workspace-4.3.0/libs/taskmanager/taskgroup.cpp:138
#18 0xa94fb998 in TaskManager::GroupManagerPrivate::addStartup (this=0xa0ded48, task={d = 0xbf8a3f28}) at /build/buildd/kdebase-workspace-4.3.0/libs/taskmanager/groupmanager.cpp:176
#19 0xa94fc142 in TaskManager::GroupManager::qt_metacall (this=0xa07ddf8, _c=QMetaObject::InvokeMetaMethod, _id=12, _a=0xbf8a400c)
    at /build/buildd/kdebase-workspace-4.3.0/obj-i486-linux-gnu/libs/taskmanager/groupmanager.moc:106
#20 0xb7e941b8 in QMetaObject::activate (sender=0x9fed250, from_signal_index=6, to_signal_index=6, argv=0xbf8a400c) at kernel/qobject.cpp:3113
#21 0xb7e94e42 in QMetaObject::activate (sender=0x9fed250, m=0xa9521d3c, local_signal_index=2, argv=0xbf8a400c) at kernel/qobject.cpp:3187
#22 0xa9516923 in TaskManager::TaskManager::startupAdded (this=0x9fed250, _t1={d = 0xbf8a4048}) at /build/buildd/kdebase-workspace-4.3.0/obj-i486-linux-gnu/libs/taskmanager/taskmanager.moc:169
#23 0xa9517640 in TaskManager::TaskManager::gotNewStartup (this=0x9fed250, id=@0xbf8a4268, data=@0xbf8a4260) at /build/buildd/kdebase-workspace-4.3.0/libs/taskmanager/taskmanager.cpp:392
#24 0xa951a069 in TaskManager::TaskManager::qt_metacall (this=0x9fed250, _c=QMetaObject::InvokeMetaMethod, _id=13, _a=0xbf8a4168)
    at /build/buildd/kdebase-workspace-4.3.0/obj-i486-linux-gnu/libs/taskmanager/taskmanager.moc:116
#25 0xb7e941b8 in QMetaObject::activate (sender=0xa2c3bf0, from_signal_index=4, to_signal_index=4, argv=0xbf8a4168) at kernel/qobject.cpp:3113
#26 0xb7e94e42 in QMetaObject::activate (sender=0xa2c3bf0, m=0xb75fbf90, local_signal_index=0, argv=0xbf8a4168) at kernel/qobject.cpp:3187
#27 0xb746f089 in KStartupInfo::gotNewStartup (this=0xa2c3bf0, _t1=@0xbf8a4268, _t2=@0xbf8a4260) at /build/buildd/kde4libs-4.3.0/obj-i486-linux-gnu/kdeui/kstartupinfo.moc:100
#28 0xb7478a3e in KStartupInfo::Private::new_startup_info_internal (this=0xa2bb088, id_P=@0xbf8a4268, data_P=@0xbf8a4260, update_P=false)
    at /build/buildd/kde4libs-4.3.0/kdeui/kernel/kstartupinfo.cpp:361
#29 0xb7478f49 in KStartupInfo::Private::got_startup_info (this=0xa2bb088, msg_P=@0xbf8a42bc, update_P=<value optimized out>) at /build/buildd/kde4libs-4.3.0/kdeui/kernel/kstartupinfo.cpp:299
#30 0xb7479c91 in KStartupInfo::Private::got_message (this=0xa2bb088, msg_P=@0xbf8a44a8) at /build/buildd/kde4libs-4.3.0/kdeui/kernel/kstartupinfo.cpp:228
#31 0xb7479dd5 in KStartupInfo::qt_metacall (this=0xa2c3bf0, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0xbf8a43cc) at /build/buildd/kde4libs-4.3.0/obj-i486-linux-gnu/kdeui/kstartupinfo.moc:86
#32 0xb7e941b8 in QMetaObject::activate (sender=0xa2bb09c, from_signal_index=27, to_signal_index=27, argv=0xbf8a43cc) at kernel/qobject.cpp:3113
#33 0xb7e94e42 in QMetaObject::activate (sender=0xa2bb09c, m=0xb75fe7c4, local_signal_index=0, argv=0xbf8a43cc) at kernel/qobject.cpp:3187
#34 0xb74ed893 in KXMessages::gotMessage (this=0xa2bb09c, _t1=@0xbf8a44a8) at /build/buildd/kde4libs-4.3.0/obj-i486-linux-gnu/kdeui/kxmessages.moc:78
#35 0xb74eed7d in KXMessages::x11Event (this=0xa2bb09c, ev_P=0xbf8a5acc) at /build/buildd/kde4libs-4.3.0/kdeui/util/kxmessages.cpp:217
#36 0xb744f8e9 in KApplication::x11EventFilter (this=0x9cd2208, _event=0xbf8a5acc) at /build/buildd/kde4libs-4.3.0/kdeui/kernel/kapplication.cpp:911
#37 0xb4b1aa47 in PlasmaApp::x11EventFilter (this=0x9cd2208, event=0xbf8a5acc) at /build/buildd/kdebase-workspace-4.3.0/plasma/shells/desktop/plasmaapp.cpp:490
#38 0xb69a2e5e in qt_x11EventFilter (ev=0xbf8a5acc) at kernel/qapplication_x11.cpp:375
#39 0xb69b56df in QApplication::x11ProcessEvent (this=0x9cd2208, event=0xbf8a5acc) at kernel/qapplication_x11.cpp:3271
#40 0xb69e237a in x11EventSourceDispatch (s=0x9cdaca8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#41 0xb64f2b88 in IA__g_main_context_dispatch (context=0x9cd9e90) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:1814
#42 0xb64f60eb in g_main_context_iterate (context=0x9cd9e90, block=1, dispatch=1, self=0x9cd7988) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2448
#43 0xb64f6268 in IA__g_main_context_iteration (context=0x9cd9e90, may_block=1) at /build/buildd/glib2.0-2.20.1/glib/gmain.c:2511
#44 0xb7eaa2f8 in QEventDispatcherGlib::processEvents (this=0x9cd79e0, flags={i = -1081451384}) at kernel/qeventdispatcher_glib.cpp:327
#45 0xb69e1a75 in QGuiEventDispatcherGlib::processEvents (this=0x9cd79e0, flags={i = -1081451336}) at kernel/qguieventdispatcher_glib.cpp:202
#46 0xb7e7d1fa in QEventLoop::processEvents (this=0xbf8a5d30, flags={i = -1081451272}) at kernel/qeventloop.cpp:149
#47 0xb7e7d642 in QEventLoop::exec (this=0xbf8a5d30, flags={i = -1081451208}) at kernel/qeventloop.cpp:201
#48 0xb7e7fae9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#49 0xb693fbb7 in QApplication::exec () at kernel/qapplication.cpp:3525
#50 0xb4b05120 in kdemain (argc=1, argv=0x9c9d810) at /build/buildd/kdebase-workspace-4.3.0/plasma/shells/desktop/main.cpp:50
#51 0x0804e27d in launch (argc=1, _name=0x9c6957c "/usr/bin/plasma-desktop", args=0x9c69594 "", cwd=0x0, envc=0, envs=0x9c69598 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x805136d "0") at /build/buildd/kde4libs-4.3.0/kinit/kinit.cpp:676
#52 0x0804ea5d in handle_launcher_request (sock=7, who=<value optimized out>) at /build/buildd/kde4libs-4.3.0/kinit/kinit.cpp:1168
#53 0x0804efe5 in handle_requests (waitForPid=0) at /build/buildd/kde4libs-4.3.0/kinit/kinit.cpp:1361
#54 0x0804fbca in main (argc=2, argv=0xbf8a6524, envp=0xbf8a6530) at /build/buildd/kde4libs-4.3.0/kinit/kinit.cpp:1788

Reported using DrKonqi