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

What I was doing when the application crashed:
I've closed 4 Dolphin windows at the same time (they were grouped)

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 3794)]

Thread 2 (Thread 0xa8401b90 (LWP 3854)):
#0  0xb7f2f430 in __kernel_vsyscall ()
#1  0xb63ff0e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb65df2ed in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb7d329b2 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0xb766e152 in ?? () from /usr/lib/libQtNetwork.so.4
#5  0xb7d3196e in ?? () from /usr/lib/libQtCore.so.4
#6  0xb63fb4ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb65d049e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb5f09a10 (LWP 3794)):
[KCrash Handler]
#6  0xa862c32a in TaskManager::GroupManager::manualSortingRequest () from /usr/lib/libtaskmanager.so.4
#7  0xa862a31b in TaskManager::AbstractGroupingStrategy::closeGroup () from /usr/lib/libtaskmanager.so.4
#8  0xa8631f27 in ?? () from /usr/lib/libtaskmanager.so.4
#9  0xa8632e5b in ?? () from /usr/lib/libtaskmanager.so.4
#10 0xb7e3bca8 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#11 0xb7e3c932 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#12 0xa8645d83 in TaskManager::TaskGroup::itemRemoved () from /usr/lib/libtaskmanager.so.4
#13 0xa86467ab in TaskManager::TaskGroup::remove () from /usr/lib/libtaskmanager.so.4
#14 0xa862cba5 in ?? () from /usr/lib/libtaskmanager.so.4
#15 0xa862f46a in TaskManager::GroupManager::qt_metacall () from /usr/lib/libtaskmanager.so.4
#16 0xb7e3bca8 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#17 0xb7e3c932 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#18 0xa8649823 in TaskManager::TaskManager::taskRemoved () from /usr/lib/libtaskmanager.so.4
#19 0xa864b0cf in TaskManager::TaskManager::windowRemoved () from /usr/lib/libtaskmanager.so.4
#20 0xa864cfec in TaskManager::TaskManager::qt_metacall () from /usr/lib/libtaskmanager.so.4
#21 0xb7e3bca8 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#22 0xb7e3c932 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#23 0xb753c853 in KWindowSystem::windowRemoved () from /usr/lib/libkdeui.so.5
#24 0xb753f0d6 in ?? () from /usr/lib/libkdeui.so.5
#25 0xb754e753 in NETRootInfo::update () from /usr/lib/libkdeui.so.5
#26 0xb754eb3f in NETRootInfo::event () from /usr/lib/libkdeui.so.5
#27 0xb753f36d in ?? () from /usr/lib/libkdeui.so.5
#28 0xb73ef6f9 in KApplication::x11EventFilter () from /usr/lib/libkdeui.so.5
#29 0xb3b19e37 in ?? () from /usr/lib/libkdeinit4_plasma-desktop.so
#30 0xb6918f3e in ?? () from /usr/lib/libQtGui.so.4
#31 0xb692b6a8 in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4
#32 0xb6957c6a in ?? () from /usr/lib/libQtGui.so.4
#33 0xb6448b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#34 0xb644c0eb in ?? () from /usr/lib/libglib-2.0.so.0
#35 0xb644c268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#36 0xb7e51438 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#37 0xb6957365 in ?? () from /usr/lib/libQtGui.so.4
#38 0xb7e2406a in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#39 0xb7e244aa in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#40 0xb7e26959 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#41 0xb68b5d17 in QApplication::exec () from /usr/lib/libQtGui.so.4
#42 0xb3b04510 in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#43 0x0804e1c0 in _start ()

This bug may be a duplicate of or related to bug 199210

Reported using DrKonqi