Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.60 (KDE 4.3.60 (KDE 4.4 >= 20090624))
Qt Version: 4.5.1
Operating System: Linux 2.6.30-ARCH i686

What I was doing when the application crashed:
During normal use, kwin effects were deactivated for performance reasons.

When I tried to turn the kwin effects back on (via Ctrl+shift+F12), plasma crashed.


This crash seems to be reproducable.

 -- Backtrace:
Application: Espace de travail Plasma (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 2749)]

Thread 2 (Thread 0xa81c5b70 (LWP 2750)):
#0  0xb80bf424 in __kernel_vsyscall ()
#1  0xb7e8ec55 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb7f077e7 in QWaitCondition::wait (this=0x96da228, mutex=0x96da224, time=4294967295) at /home/david/Developpement/kde/src/kdesvn/qt-copy/src/corelib/thread/qwaitcondition_unix.cpp:87
#3  0xb7779ee2 in QHostInfoAgent::run (this=0x96da218) at /home/david/Developpement/kde/src/kdesvn/qt-copy/src/network/kernel/qhostinfo.cpp:260
#4  0xb7f06a50 in QThreadPrivate::start (arg=0x96da218) at /home/david/Developpement/kde/src/kdesvn/qt-copy/src/corelib/thread/qthread_unix.cpp:189
#5  0xb7e8a6bc in start_thread () from /lib/libpthread.so.0
#6  0xb6791ffe in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb612baf0 (LWP 2749)):
[KCrash Handler]
#6  0xa8a7deaa in TaskManager::TaskGroup::remove (this=0x9dc93a8, item=0x9ae3968) at /home/david/Developpement/kde/build/include/QtCore/qlist.h:90
#7  0xa8a6566d in TaskManager::GroupManagerPrivate::removeTask (this=0x934d150, task={d = 0x96f3688})
    at /home/david/Developpement/kde/src/kdesvn/kdebase/workspace/libs/taskmanager/groupmanager.cpp:311
#8  0xa8a65b53 in TaskManager::GroupManagerPrivate::actuallyReloadTasks (this=0x934d150) at /home/david/Developpement/kde/src/kdesvn/kdebase/workspace/libs/taskmanager/groupmanager.cpp:164
#9  0xa8a66fc3 in TaskManager::GroupManager::setGroupingStrategy (this=0x934cfa0, strategy=TaskManager::GroupManager::ProgramGrouping)
    at /home/david/Developpement/kde/src/kdesvn/kdebase/workspace/libs/taskmanager/groupmanager.cpp:693
#10 0xa8a671eb in TaskManager::GroupManagerPrivate::checkIfFull (this=0x934d150) at /home/david/Developpement/kde/src/kdesvn/kdebase/workspace/libs/taskmanager/groupmanager.cpp:543
#11 0xa8a3544a in Tasks::adjustGroupingStrategy (this=0x91a7910) at /home/david/Developpement/kde/src/kdesvn/kdebase/workspace/plasma/applets/tasks/tasks.cpp:241
#12 0xa8a368af in Tasks::qt_metacall (this=0x91a7910, _c=QMetaObject::InvokeMetaMethod, _id=40, _a=0xbfa8bbd8)
    at /home/david/Developpement/kde/src/kdesvn/build/kdebase/workspace/plasma/applets/tasks/tasks.moc:85
#13 0xb7ff7095 in QMetaObject::activate (sender=0x96f2f58, from_signal_index=16, to_signal_index=16, argv=0xbfa8bbd8)
    at /home/david/Developpement/kde/src/kdesvn/qt-copy/src/corelib/kernel/qobject.cpp:3117
#14 0xb7ff7682 in QMetaObject::activate (sender=0x96f2f58, m=0xa8a4f224, local_signal_index=1, argv=0xbfa8bbd8) at /home/david/Developpement/kde/src/kdesvn/qt-copy/src/corelib/kernel/qobject.cpp:3194
#15 0xa8a440b3 in TaskGroupItem::sizeHintChanged (this=0x96f2f58, _t1=Qt::PreferredSize) at /home/david/Developpement/kde/src/kdesvn/build/kdebase/workspace/plasma/applets/tasks/taskgroupitem.moc:137
#16 0xa8a47426 in TaskGroupItem::updatePreferredSize (this=0x96f2f58) at /home/david/Developpement/kde/src/kdesvn/kdebase/workspace/plasma/applets/tasks/taskgroupitem.cpp:786
#17 0xa8a3aac8 in TaskItemLayout::updatePreferredSize (this=0x956c048) at /home/david/Developpement/kde/src/kdesvn/kdebase/workspace/plasma/applets/tasks/taskitemlayout.cpp:400
#18 0xa8a3b5fa in TaskItemLayout::layoutItems (this=0x956c048) at /home/david/Developpement/kde/src/kdesvn/kdebase/workspace/plasma/applets/tasks/taskitemlayout.cpp:377
#19 0xa8a3bd5a in TaskItemLayout::insert (this=0x956c048, index=5, item=0x971c828) at /home/david/Developpement/kde/src/kdesvn/kdebase/workspace/plasma/applets/tasks/taskitemlayout.cpp:125
#20 0xa8a3bf37 in TaskItemLayout::addTaskItem (this=0x956c048, item=0x971c828) at /home/david/Developpement/kde/src/kdesvn/kdebase/workspace/plasma/applets/tasks/taskitemlayout.cpp:82
#21 0xa8a482a2 in TaskGroupItem::itemAdded (this=0x96f2f58, groupableItem=0x9e60d10) at /home/david/Developpement/kde/src/kdesvn/kdebase/workspace/plasma/applets/tasks/taskgroupitem.cpp:455
#22 0xa8a49387 in TaskGroupItem::qt_metacall (this=0x96f2f58, _c=QMetaObject::InvokeMetaMethod, _id=29, _a=0xbfa8c0c8)
    at /home/david/Developpement/kde/src/kdesvn/build/kdebase/workspace/plasma/applets/tasks/taskgroupitem.moc:113
#23 0xb7ff7095 in QMetaObject::activate (sender=0x96da378, from_signal_index=21, to_signal_index=21, argv=0xbfa8c0c8)
    at /home/david/Developpement/kde/src/kdesvn/qt-copy/src/corelib/kernel/qobject.cpp:3117
#24 0xb7ff7682 in QMetaObject::activate (sender=0x96da378, m=0xa8a92194, local_signal_index=0, argv=0xbfa8c0c8) at /home/david/Developpement/kde/src/kdesvn/qt-copy/src/corelib/kernel/qobject.cpp:3194
#25 0xa8a7d743 in TaskManager::TaskGroup::itemAdded (this=0x96da378, _t1=0x9e60d10) at /home/david/Developpement/kde/src/kdesvn/build/kdebase/workspace/libs/taskmanager/taskgroup.moc:139
#26 0xa8a7e185 in TaskManager::TaskGroup::add (this=0x96da378, item=0x9e60d10) at /home/david/Developpement/kde/src/kdesvn/kdebase/workspace/libs/taskmanager/taskgroup.cpp:138
#27 0xa8a64fa2 in TaskManager::GroupManagerPrivate::addTask (this=0x934d150, task=) at /home/david/Developpement/kde/src/kdesvn/kdebase/workspace/libs/taskmanager/groupmanager.cpp:290
#28 0xa8a65995 in TaskManager::GroupManagerPrivate::actuallyReloadTasks (this=0x934d150) at /home/david/Developpement/kde/src/kdesvn/kdebase/workspace/libs/taskmanager/groupmanager.cpp:155
#29 0xa8a6731e in TaskManager::GroupManager::qt_metacall (this=0x934cfa0, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0xbfa8c30c)
    at /home/david/Developpement/kde/src/kdesvn/build/kdebase/workspace/libs/taskmanager/groupmanager.moc:108
#30 0xb7ff7095 in QMetaObject::activate (sender=0x934d190, from_signal_index=4, to_signal_index=4, argv=0x0) at /home/david/Developpement/kde/src/kdesvn/qt-copy/src/corelib/kernel/qobject.cpp:3117
#31 0xb7ff7682 in QMetaObject::activate (sender=0x934d190, m=0xb80baf44, local_signal_index=0, argv=0x0) at /home/david/Developpement/kde/src/kdesvn/qt-copy/src/corelib/kernel/qobject.cpp:3194
#32 0xb802e167 in QTimer::timeout (this=0x934d190) at .moc/release-shared/moc_qtimer.cpp:128
#33 0xb7ffe26e in QTimer::timerEvent (this=0x934d190, e=0xbfa8c7a0) at /home/david/Developpement/kde/src/kdesvn/qt-copy/src/corelib/kernel/qtimer.cpp:261
#34 0xb7ff3c04 in QObject::event (this=0x934d190, e=0xbfa8c7a0) at /home/david/Developpement/kde/src/kdesvn/qt-copy/src/corelib/kernel/qobject.cpp:1082
#35 0xb6a82494 in QApplicationPrivate::notify_helper (this=0x90844d8, receiver=0x934d190, e=0xbfa8c7a0) at /home/david/Developpement/kde/src/kdesvn/qt-copy/src/gui/kernel/qapplication.cpp:4057
#36 0xb6a88350 in QApplication::notify (this=0x904f988, receiver=0x934d190, e=0xbfa8c7a0) at /home/david/Developpement/kde/src/kdesvn/qt-copy/src/gui/kernel/qapplication.cpp:3604
#37 0xb74c41ea in KApplication::notify (this=0x904f988, receiver=0x934d190, event=0xbfa8c7a0) at /home/david/Developpement/kde/src/kdesvn/kdelibs/kdeui/kernel/kapplication.cpp:302
#38 0xb7fe5188 in QCoreApplication::notifyInternal (this=0x904f988, receiver=0x934d190, event=0xbfa8c7a0)
    at /home/david/Developpement/kde/src/kdesvn/qt-copy/src/corelib/kernel/qcoreapplication.cpp:606
#39 0xb800efde in QTimerInfoList::activateTimers (this=0x9087174) at ../../include/QtCore/../../../../qt-copy/src/corelib/kernel/qcoreapplication.h:213
#40 0xb800bc60 in timerSourceDispatch (source=0x9087140) at /home/david/Developpement/kde/src/kdesvn/qt-copy/src/corelib/kernel/qeventdispatcher_glib.cpp:164
#41 0xb6626e08 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#42 0xb662a370 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#43 0xb662a4a3 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#44 0xb800bbac in QEventDispatcherGlib::processEvents (this=0x9084040, flags={i = 36}) at /home/david/Developpement/kde/src/kdesvn/qt-copy/src/corelib/kernel/qeventdispatcher_glib.cpp:324
#45 0xb6b12af5 in QGuiEventDispatcherGlib::processEvents (this=0x9084040, flags={i = 36}) at /home/david/Developpement/kde/src/kdesvn/qt-copy/src/gui/kernel/qguieventdispatcher_glib.cpp:202
#46 0xb7fe38d9 in QEventLoop::processEvents (this=0xbfa8ca64, flags=) at /home/david/Developpement/kde/src/kdesvn/qt-copy/src/corelib/kernel/qeventloop.cpp:149
#47 0xb7fe3aaa in QEventLoop::exec (this=0xbfa8ca64, flags={i = 0}) at /home/david/Developpement/kde/src/kdesvn/qt-copy/src/corelib/kernel/qeventloop.cpp:196
#48 0xb7fe5b19 in QCoreApplication::exec () at /home/david/Developpement/kde/src/kdesvn/qt-copy/src/corelib/kernel/qcoreapplication.cpp:888
#49 0xb6a82317 in QApplication::exec () at /home/david/Developpement/kde/src/kdesvn/qt-copy/src/gui/kernel/qapplication.cpp:3526
#50 0xb3ead6fd in kdemain (argc=1, argv=0x900c5a0) at /home/david/Developpement/kde/src/kdesvn/kdebase/workspace/plasma/shells/desktop/main.cpp:50
#51 0x0804de7a in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x9048237 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x8050f53 "0") at /home/david/Developpement/kde/src/kdesvn/kdelibs/kinit/kinit.cpp:672
#52 0x0804e99d in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at /home/david/Developpement/kde/src/kdesvn/kdelibs/kinit/kinit.cpp:1164
#53 0x0804ee34 in handle_requests (waitForPid=<value optimized out>) at /home/david/Developpement/kde/src/kdesvn/kdelibs/kinit/kinit.cpp:1357
#54 0x0804f647 in main (argc=2, argv=0xbfa8d364, envp=0xbfa8d370) at /home/david/Developpement/kde/src/kdesvn/kdelibs/kinit/kinit.cpp:1784

Reported using DrKonqi