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: 4.5.2
Operating System: Linux 2.6.30-desktop-2mnb i686
Distribution: "Mandriva Linux 2009.1"

What I was doing when the application crashed:
Was configuring Ksensors, when 'apply' button in Ksensors pressed Plasma crashed and then restarted.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb5e3aa80 (LWP 3705))]

Thread 2 (Thread 0xa8dabb70 (LWP 3707)):
#0  0xffffe424 in __kernel_vsyscall ()
#1  0xb7ccead5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/i686/libpthread.so.0
#2  0xb7d2a280 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#3  0xb646fd5c in ?? () from /usr/lib/libQtNetwork.so.4
#4  0xb7d29143 in ?? () from /usr/lib/libQtCore.so.4
#5  0xb7cca8e5 in start_thread () from /lib/i686/libpthread.so.0
#6  0xb671bbbe in clone () from /lib/i686/libc.so.6

Thread 1 (Thread 0xb5e3aa80 (LWP 3705)):
[KCrash Handler]
#6  TaskManager::GroupManager::manualSortingRequest (this=0x0, taskItem=0x8ee76d0, newIndex=3) at /usr/src/debug/kdebase-workspace-4.2.95/libs/taskmanager/groupmanager.cpp:363
#7  0xa90de3e8 in TaskManager::AbstractGroupingStrategy::closeGroup (this=0x9245ff0, group=0x83e11e8) at /usr/src/debug/kdebase-workspace-4.2.95/libs/taskmanager/abstractgroupingstrategy.cpp:167
#8  0xa90e8d85 in TaskManager::ProgramGroupingStrategy::checkGroup (this=0x9245ff0) at /usr/src/debug/kdebase-workspace-4.2.95/libs/taskmanager/strategies/programgroupingstrategy.cpp:204
#9  0xa90e9793 in TaskManager::ProgramGroupingStrategy::qt_metacall (this=0x9245ff0, _c=QMetaObject::InvokeMetaMethod, _id=8, _a=0xbf83b028)
    at /usr/src/debug/kdebase-workspace-4.2.95/build/libs/taskmanager/programgroupingstrategy.moc:68
#10 0xb7e38f29 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#11 0xb7e39c65 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#12 0xa90fc475 in TaskManager::TaskGroup::itemRemoved (this=0x83e11e8, _t1=0x90e8780) at /usr/src/debug/kdebase-workspace-4.2.95/build/libs/taskmanager/taskgroup.moc:146
#13 0xa90fdd2b in TaskManager::TaskGroup::remove (this=0x83e11e8, item=0x90e8780) at /usr/src/debug/kdebase-workspace-4.2.95/libs/taskmanager/taskgroup.cpp:182
#14 0xa90e1c46 in TaskManager::GroupManagerPrivate::removeTask (this=0x8e00700, task={d = 0x915c030}) at /usr/src/debug/kdebase-workspace-4.2.95/libs/taskmanager/groupmanager.cpp:311
#15 0xa90e2fa6 in TaskManager::GroupManager::qt_metacall (this=0x8dfcf50, _c=QMetaObject::InvokeMetaMethod, _id=11, _a=0xbf83b1e8)
    at /usr/src/debug/kdebase-workspace-4.2.95/build/libs/taskmanager/groupmanager.moc:105
#16 0xb7e38f29 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#17 0xb7e39c65 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#18 0xa9100555 in TaskManager::TaskManager::taskRemoved (this=0x8dfb838, _t1={d = 0x915c030}) at /usr/src/debug/kdebase-workspace-4.2.95/build/libs/taskmanager/taskmanager.moc:162
#19 0xa9101399 in TaskManager::TaskManager::windowRemoved (this=0x8dfb838, w=67109549) at /usr/src/debug/kdebase-workspace-4.2.95/libs/taskmanager/taskmanager.cpp:278
#20 0xa9101f45 in TaskManager::TaskManager::qt_metacall (this=0x8dfb838, _c=QMetaObject::InvokeMetaMethod, _id=7, _a=0xbf83b378)
    at /usr/src/debug/kdebase-workspace-4.2.95/build/libs/taskmanager/taskmanager.moc:110
#21 0xb7e38f29 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#22 0xb7e39c65 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#23 0xb75360b5 in KWindowSystem::windowRemoved (this=0x8445ba8, _t1=67109549) at /usr/src/debug/kdelibs-4.2.95/build/kdeui/kwindowsystem.moc:127
#24 0xb7538bd8 in KWindowSystemPrivate::removeClient (this=0x842a0d0, w=67109549) at /usr/src/debug/kdelibs-4.2.95/kdeui/windowmanagement/kwindowsystem_x11.cpp:249
#25 0xb75462be in NETRootInfo::update (this=0x842a0e4, dirty_props=0xbf83b4e8) at /usr/src/debug/kdelibs-4.2.95/kdeui/windowmanagement/netwm.cpp:2135
#26 0xb7547500 in NETRootInfo::event (this=0x842a0e4, event=<value optimized out>, properties=0xbf83b5d0, properties_size=5) at /usr/src/debug/kdelibs-4.2.95/kdeui/windowmanagement/netwm.cpp:2058
#27 0xb7538cb7 in KWindowSystemPrivate::x11Event (this=0x842a0d0, ev=0xbf83cc2c) at /usr/src/debug/kdelibs-4.2.95/kdeui/windowmanagement/kwindowsystem_x11.cpp:136
#28 0xb73fde7a in KAppX11HackWidget::publicx11Event (this=0x842a0d0, e=0xbf83cc2c) at /usr/src/debug/kdelibs-4.2.95/kdeui/kernel/kapplication.cpp:900
#29 0xb73fac6a in KApplication::x11EventFilter (this=0x825c148, _event=0xbf83cc2c) at /usr/src/debug/kdelibs-4.2.95/kdeui/kernel/kapplication.cpp:950
#30 0xb48e96bc in PlasmaApp::x11EventFilter (this=0x825c148, event=0xbf83cc2c) at /usr/src/debug/kdebase-workspace-4.2.95/plasma/shells/desktop/plasmaapp.cpp:490
#31 0xb6a0b041 in ?? () from /usr/lib/libQtGui.so.4
#32 0xb6a1cbcd in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4
#33 0xb6a497c8 in ?? () from /usr/lib/libQtGui.so.4
#34 0xb6591e32 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#35 0xb65954a8 in ?? () from /usr/lib/libglib-2.0.so.0
#36 0xb65955ce in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#37 0xb7e4e9d8 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#38 0xb6a48efa in ?? () from /usr/lib/libQtGui.so.4
#39 0xb7e20d8d in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#40 0xb7e211d9 in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#41 0xb7e236c0 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#42 0xb69a5f44 in QApplication::exec () from /usr/lib/libQtGui.so.4
#43 0xb48d14ce in kdemain (argc=1, argv=0x81f2918) at /usr/src/debug/kdebase-workspace-4.2.95/plasma/shells/desktop/main.cpp:50
#44 0x0804db4a in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x8233870 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x8051ba8 "0") at /usr/src/debug/kdelibs-4.2.95/kinit/kinit.cpp:672
#45 0x0804e2a5 in handle_launcher_request (sock=7, who=<value optimized out>) at /usr/src/debug/kdelibs-4.2.95/kinit/kinit.cpp:1164
#46 0x0804f014 in handle_requests (waitForPid=<value optimized out>) at /usr/src/debug/kdelibs-4.2.95/kinit/kinit.cpp:1357
#47 0x0804f8a5 in main (argc=2, argv=0xbf83d604, envp=0xbf83d610) at /usr/src/debug/kdelibs-4.2.95/kinit/kinit.cpp:1784

Reported using DrKonqi