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: 4.5.0
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 3617)]

Thread 2 (Thread 0xa91ccb90 (LWP 3619)):
#0  0xb7f35430 in __kernel_vsyscall ()
#1  0xb64020e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb65e22ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb7d359b2 in QWaitCondition::wait (this=0x8f168e0, mutex=0x8f168dc, time=4294967295) at thread/qwaitcondition_unix.cpp:87
#4  0xb7671152 in QHostInfoAgent::run (this=0x8f168d0) at kernel/qhostinfo.cpp:260
#5  0xb7d3496e in QThreadPrivate::start (arg=0x8f168d0) at thread/qthread_unix.cpp:189
#6  0xb63fe4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb65d349e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb5f0ca10 (LWP 3617)):
[KCrash Handler]
#6  0xa946232a in TaskManager::GroupManager::manualSortingRequest () from /usr/lib/libtaskmanager.so.4
#7  0xa946031b in TaskManager::AbstractGroupingStrategy::closeGroup () from /usr/lib/libtaskmanager.so.4
#8  0xa9467f27 in ?? () from /usr/lib/libtaskmanager.so.4
#9  0xa9468e5b in ?? () from /usr/lib/libtaskmanager.so.4
#10 0xb7e3eca8 in QMetaObject::activate (sender=0x976c248, from_signal_index=22, to_signal_index=22, argv=0xbfb4f75c) at kernel/qobject.cpp:3069
#11 0xb7e3f932 in QMetaObject::activate (sender=0x976c248, m=0xa948ab74, local_signal_index=1, argv=0xbfb4f75c) at kernel/qobject.cpp:3143
#12 0xa947bd83 in TaskManager::TaskGroup::itemRemoved () from /usr/lib/libtaskmanager.so.4
#13 0xa947c7ab in TaskManager::TaskGroup::remove () from /usr/lib/libtaskmanager.so.4
#14 0xa9462ba5 in ?? () from /usr/lib/libtaskmanager.so.4
#15 0xa946546a in TaskManager::GroupManager::qt_metacall () from /usr/lib/libtaskmanager.so.4
#16 0xb7e3eca8 in QMetaObject::activate (sender=0x8de1bb8, from_signal_index=5, to_signal_index=5, argv=0xbfb4f8ec) at kernel/qobject.cpp:3069
#17 0xb7e3f932 in QMetaObject::activate (sender=0x8de1bb8, m=0xa948ad3c, local_signal_index=1, argv=0xbfb4f8ec) at kernel/qobject.cpp:3143
#18 0xa947f823 in TaskManager::TaskManager::taskRemoved () from /usr/lib/libtaskmanager.so.4
#19 0xa94810cf in TaskManager::TaskManager::windowRemoved () from /usr/lib/libtaskmanager.so.4
#20 0xa9482fec in TaskManager::TaskManager::qt_metacall () from /usr/lib/libtaskmanager.so.4
#21 0xb7e3eca8 in QMetaObject::activate (sender=0x8ad0980, from_signal_index=6, to_signal_index=6, argv=0xbfb4fa5c) at kernel/qobject.cpp:3069
#22 0xb7e3f932 in QMetaObject::activate (sender=0x8ad0980, m=0xb75a726c, local_signal_index=2, argv=0xbfb4fa5c) at kernel/qobject.cpp:3143
#23 0xb753f853 in KWindowSystem::windowRemoved (this=0x8ad0980, _t1=44162903) at /build/buildd/kde4libs-4.2.95/obj-i486-linux-gnu/kdeui/kwindowsystem.moc:127
#24 0xb75420d6 in KWindowSystemPrivate::removeClient (this=0x88de0a0, w=44162903) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/kwindowsystem_x11.cpp:249
#25 0xb7551753 in NETRootInfo::update (this=0x88de0b4, dirty_props=0xbfb4fba4) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/netwm.cpp:2135
#26 0xb7551b3f in NETRootInfo::event (this=0x88de0b4, event=0xbfb502bc, properties=0xbfb4fc88, properties_size=5) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/netwm.cpp:2058
#27 0xb754236d in KWindowSystemPrivate::x11Event (this=0x88de0a0, ev=0xbfb5025c) at /build/buildd/kde4libs-4.2.95/kdeui/windowmanagement/kwindowsystem_x11.cpp:136
#28 0xb73f26f9 in KApplication::x11EventFilter (this=0x87fed68, _event=0xbfb5025c) at /build/buildd/kde4libs-4.2.95/kdeui/kernel/kapplication.cpp:911
#29 0xb4a7ae37 in ?? () from /usr/lib/libkdeinit4_plasma-desktop.so
#30 0xb691bf3e in qt_x11EventFilter (ev=0xbfb5025c) at kernel/qapplication_x11.cpp:375
#31 0xb692e6a8 in QApplication::x11ProcessEvent (this=0x87fed68, event=0xbfb5025c) at kernel/qapplication_x11.cpp:3273
#32 0xb695ac6a in x11EventSourceDispatch (s=0x88074f8, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#33 0xb644bb88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#34 0xb644f0eb in ?? () from /usr/lib/libglib-2.0.so.0
#35 0xb644f268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#36 0xb7e54438 in QEventDispatcherGlib::processEvents (this=0x88024e8, flags={i = -1078655976}) at kernel/qeventdispatcher_glib.cpp:323
#37 0xb695a365 in QGuiEventDispatcherGlib::processEvents (this=0x88024e8, flags={i = -1078655928}) at kernel/qguieventdispatcher_glib.cpp:202
#38 0xb7e2706a in QEventLoop::processEvents (this=0xbfb504c0, flags={i = -1078655864}) at kernel/qeventloop.cpp:149
#39 0xb7e274aa in QEventLoop::exec (this=0xbfb504c0, flags={i = -1078655800}) at kernel/qeventloop.cpp:200
#40 0xb7e29959 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:880
#41 0xb68b8d17 in QApplication::exec () at kernel/qapplication.cpp:3553
#42 0xb4a65510 in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#43 0x0804e1c0 in launch (argc=1, _name=0x87cc8d4 "/usr/bin/plasma-desktop", args=0x87cc8ec "", cwd=0x0, envc=0, envs=0x87cc8f0 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x80512d1 "0") at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:672
#44 0x0804e99d in handle_launcher_request (sock=7, who=<value optimized out>) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1164
#45 0x0804ef25 in handle_requests (waitForPid=0) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1357
#46 0x0804fb0a in main (argc=2, argv=0xbfb50cb4, envp=0xbfb50cc0) at /build/buildd/kde4libs-4.2.95/kinit/kinit.cpp:1784

This bug may be a duplicate of or related to bug 199126

Reported using DrKonqi