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: 4.5.1
Operating System: Linux 2.6.28-13-generic i686
Distribution: Ubuntu 9.04

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 4676)]

Thread 2 (Thread 0xa89ddb90 (LWP 4681)):
#0  0xb7efd430 in __kernel_vsyscall ()
#1  0xb63ec0e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb65cc2ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb7cf35b2 in QWaitCondition::wait (this=0x8edddb0, mutex=0x8edddac, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  0xb7638ae2 in QHostInfoAgent::run (this=0x8eddda0) at kernel/qhostinfo.cpp:260
#5  0xb7cf256e in QThreadPrivate::start (arg=0x8eddda0) at thread/qthread_unix.cpp:189
#6  0xb63e84ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb65bd49e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb5ef5700 (LWP 4676)):
[KCrash Handler]
#6  QMutex::lock (this=0x44) at thread/qmutex.cpp:152
#7  0xb7dfbe98 in QMetaObject::disconnect (sender=0x9bfb478, signal_index=-1, receiver=0xa8e77b8, method_index=-1)
    at ../../include/QtCore/private/../../../src/corelib/thread/qorderedmutexlocker_p.h:82
#8  0xb7dfc76e in QObject::disconnect (sender=0x9bfb478, signal=0x0, receiver=0xa8e77b8, method=0x0) at kernel/qobject.cpp:2691
#9  0xa9448777 in TaskManager::TaskGroup::remove (this=0xa8e77b8, item=0x9bfb478) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/taskgroup.cpp:174
#10 0xa942eba5 in TaskManager::GroupManagerPrivate::removeTask (this=0x946a3f8, task={d = 0xbfa17e70}) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/groupmanager.cpp:311
#11 0xa942f4f7 in TaskManager::GroupManagerPrivate::actuallyReloadTasks (this=0x946a3f8) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/groupmanager.cpp:164
#12 0xa942f860 in TaskManager::GroupManager::setGroupingStrategy (this=0x922eec8, strategy=TaskManager::GroupManager::ProgramGrouping)
    at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/groupmanager.cpp:690
#13 0xa942fa8b in TaskManager::GroupManagerPrivate::checkIfFull (this=0x946a3f8) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/groupmanager.cpp:540
#14 0xa94023da in Tasks::adjustGroupingStrategy (this=0x92cd200) at /build/buildd/kdebase-workspace-4.2.95/plasma/applets/tasks/tasks.cpp:241
#15 0xa9403857 in Tasks::qt_metacall (this=0x92cd200, _c=QMetaObject::InvokeMetaMethod, _id=5, _a=0xbfa1800c)
    at /build/buildd/kdebase-workspace-4.2.95/obj-i486-linux-gnu/plasma/applets/tasks/tasks.moc:85
#16 0xb7dfca58 in QMetaObject::activate (sender=0x922f230, from_signal_index=15, to_signal_index=15, argv=0xbfa1800c) at kernel/qobject.cpp:3120
#17 0xb7dfd6e2 in QMetaObject::activate (sender=0x922f230, m=0xa9419c44, local_signal_index=1, argv=0xbfa1800c) at kernel/qobject.cpp:3194
#18 0xa9410d03 in TaskGroupItem::sizeHintChanged (this=0x922f230, _t1=Qt::PreferredSize) at /build/buildd/kdebase-workspace-4.2.95/obj-i486-linux-gnu/plasma/applets/tasks/taskgroupitem.moc:137
#19 0xa94141a8 in TaskGroupItem::updatePreferredSize (this=0x922f230) at /build/buildd/kdebase-workspace-4.2.95/plasma/applets/tasks/taskgroupitem.cpp:786
#20 0xa9407899 in TaskItemLayout::updatePreferredSize (this=0x94649a0) at /build/buildd/kdebase-workspace-4.2.95/plasma/applets/tasks/taskitemlayout.cpp:400
#21 0xa94083ed in TaskItemLayout::layoutItems (this=0x94649a0) at /build/buildd/kdebase-workspace-4.2.95/plasma/applets/tasks/taskitemlayout.cpp:377
#22 0xa9408c22 in TaskItemLayout::insert (this=0x94649a0, index=5, item=0xa2aed50) at /build/buildd/kdebase-workspace-4.2.95/plasma/applets/tasks/taskitemlayout.cpp:125
#23 0xa9408e17 in TaskItemLayout::addTaskItem (this=0x94649a0, item=0xa2aed50) at /build/buildd/kdebase-workspace-4.2.95/plasma/applets/tasks/taskitemlayout.cpp:82
#24 0xa9414d9d in TaskGroupItem::itemAdded (this=0x922f230, groupableItem=0xabfe828) at /build/buildd/kdebase-workspace-4.2.95/plasma/applets/tasks/taskgroupitem.cpp:455
#25 0xa9415ddc in TaskGroupItem::qt_metacall (this=0x922f230, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0xbfa1844c)
    at /build/buildd/kdebase-workspace-4.2.95/obj-i486-linux-gnu/plasma/applets/tasks/taskgroupitem.moc:113
#26 0xb7dfca58 in QMetaObject::activate (sender=0x9469938, from_signal_index=21, to_signal_index=21, argv=0xbfa1844c) at kernel/qobject.cpp:3120
#27 0xb7dfd6e2 in QMetaObject::activate (sender=0x9469938, m=0xa9456b74, local_signal_index=0, argv=0xbfa1844c) at kernel/qobject.cpp:3194
#28 0xa9447dd3 in TaskManager::TaskGroup::itemAdded (this=0x9469938, _t1=0xabfe828) at /build/buildd/kdebase-workspace-4.2.95/obj-i486-linux-gnu/libs/taskmanager/taskgroup.moc:139
#29 0xa9448a35 in TaskManager::TaskGroup::add (this=0x9469938, item=0xabfe828) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/taskgroup.cpp:138
#30 0xa942ed0a in TaskManager::GroupManagerPrivate::addTask (this=0x946a3f8, task={d = 0xbfa18574}) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/groupmanager.cpp:290
#31 0xa942f32a in TaskManager::GroupManagerPrivate::actuallyReloadTasks (this=0x946a3f8) at /build/buildd/kdebase-workspace-4.2.95/libs/taskmanager/groupmanager.cpp:155
#32 0xa94313ce in TaskManager::GroupManager::qt_metacall (this=0x922eec8, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0xbfa18648)
    at /build/buildd/kdebase-workspace-4.2.95/obj-i486-linux-gnu/libs/taskmanager/groupmanager.moc:108
#33 0xb7dfca58 in QMetaObject::activate (sender=0x946a438, from_signal_index=4, to_signal_index=4, argv=0x0) at kernel/qobject.cpp:3120
#34 0xb7dfd6e2 in QMetaObject::activate (sender=0x946a438, m=0xb7ed9904, local_signal_index=0, argv=0x0) at kernel/qobject.cpp:3194
#35 0xb7e384d7 in QTimer::timeout (this=0x946a438) at .moc/release-shared/moc_qtimer.cpp:128
#36 0xb7e024ae in QTimer::timerEvent (this=0x946a438, e=0xbfa18acc) at kernel/qtimer.cpp:261
#37 0xb7df6f0f in QObject::event (this=0x946a438, e=0xbfa18acc) at kernel/qobject.cpp:1082
#38 0xb6882bcc in QApplicationPrivate::notify_helper (this=0x8e3d160, receiver=0x946a438, e=0xbfa18acc) at kernel/qapplication.cpp:4057
#39 0xb688aede in QApplication::notify (this=0x8e37238, receiver=0x946a438, e=0xbfa18acc) at kernel/qapplication.cpp:3604
#40 0xb73bb3dd in KApplication::notify (this=0x8e37238, receiver=0x946a438, event=0xbfa18acc) at /build/buildd/kde4libs-4.2.95/kdeui/kernel/kapplication.cpp:302
#41 0xb7de67ab in QCoreApplication::notifyInternal (this=0x8e37238, receiver=0x946a438, event=0xbfa18acc) at kernel/qcoreapplication.cpp:610
#42 0xb7e15b31 in QTimerInfoList::activateTimers (this=0x8e3fa94) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:213
#43 0xb7e12280 in timerSourceDispatch (source=0x8e3fa60) at kernel/qeventdispatcher_glib.cpp:164
#44 0xb6434b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#45 0xb64380eb in ?? () from /usr/lib/libglib-2.0.so.0
#46 0xb6438268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#47 0xb7e121d8 in QEventDispatcherGlib::processEvents (this=0x8e3a958, flags={i = -1079931832}) at kernel/qeventdispatcher_glib.cpp:324
#48 0xb6924765 in QGuiEventDispatcherGlib::processEvents (this=0x8e3a958, flags={i = -1079931784}) at kernel/qguieventdispatcher_glib.cpp:202
#49 0xb7de4dda in QEventLoop::processEvents (this=0xbfa18cf0, flags={i = -1079931720}) at kernel/qeventloop.cpp:149
#50 0xb7de521a in QEventLoop::exec (this=0xbfa18cf0, flags={i = -1079931656}) at kernel/qeventloop.cpp:200
#51 0xb7de76c9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:888
#52 0xb6882a47 in QApplication::exec () at kernel/qapplication.cpp:3526
#53 0xb4a54510 in kdemain (argc=1, argv=0x8dd5d48) at /build/buildd/kdebase-workspace-4.2.95/plasma/shells/desktop/main.cpp:50
#54 0x0804e1c0 in launch (argc=1, _name=0x8e242b4 "/usr/bin/plasma-desktop", args=0x8e242cc "", cwd=0x0, envc=0, envs=0x8e242d0 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x80512d1 "0") at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:672
#55 0x0804e99d in handle_launcher_request (sock=7, who=<value optimized out>) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1164
#56 0x0804ef25 in handle_requests (waitForPid=0) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1357
#57 0x0804fb0a in main (argc=2, argv=0xbfa194e4, envp=0xbfa194f0) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1784

Reported using DrKonqi