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 x86_64
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
I open evolution, run Send/Receive, and as soon as the window closes the whole plasma desktop crashes.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 6863)]

Thread 2 (Thread 0x7fcd55583950 (LWP 6879)):
#0  0x000000343a80b2e9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x000000394005fce9 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#2  0x00000039406855dc in ?? () from /usr/lib/libQtNetwork.so.4
#3  0x000000394005ed02 in ?? () from /usr/lib/libQtCore.so.4
#4  0x000000343a8073ba in start_thread () from /lib/libpthread.so.0
#5  0x0000003439ce5fcd in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fcd6f00e750 (LWP 6863)):
[KCrash Handler]
#5  0x0000003d21c19766 in TaskManager::GroupManager::manualSortingRequest () from /usr/lib/libtaskmanager.so.4
#6  0x0000003d21c17b3a in TaskManager::AbstractGroupingStrategy::closeGroup () from /usr/lib/libtaskmanager.so.4
#7  0x0000003d21c1eda8 in ?? () from /usr/lib/libtaskmanager.so.4
#8  0x0000003d21c1fc2d in ?? () from /usr/lib/libtaskmanager.so.4
#9  0x000000394015d8d2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#10 0x0000003d21c30a92 in TaskManager::TaskGroup::itemRemoved () from /usr/lib/libtaskmanager.so.4
#11 0x0000003d21c313b1 in TaskManager::TaskGroup::remove () from /usr/lib/libtaskmanager.so.4
#12 0x0000003d21c19ed1 in ?? () from /usr/lib/libtaskmanager.so.4
#13 0x0000003d21c1c51d in TaskManager::GroupManager::qt_metacall () from /usr/lib/libtaskmanager.so.4
#14 0x000000394015d8d2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#15 0x0000003d21c33f35 in TaskManager::TaskManager::taskRemoved () from /usr/lib/libtaskmanager.so.4
#16 0x0000003d21c3556e in TaskManager::TaskManager::windowRemoved () from /usr/lib/libtaskmanager.so.4
#17 0x0000003d21c372bf in TaskManager::TaskManager::qt_metacall () from /usr/lib/libtaskmanager.so.4
#18 0x000000394015d8d2 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#19 0x0000003d20138ab2 in KWindowSystem::windowRemoved () from /usr/lib/libkdeui.so.5
#20 0x0000003d2013affb in ?? () from /usr/lib/libkdeui.so.5
#21 0x0000003d2014a030 in NETRootInfo::update () from /usr/lib/libkdeui.so.5
#22 0x0000003d2014a36b in NETRootInfo::event () from /usr/lib/libkdeui.so.5
#23 0x0000003d2013b2cb in ?? () from /usr/lib/libkdeui.so.5
#24 0x0000003d2000aa43 in KApplication::x11EventFilter () from /usr/lib/libkdeui.so.5
#25 0x0000003d21850b57 in ?? () from /usr/lib/libkdeinit4_plasma-desktop.so
#26 0x00000039419fcfdf in ?? () from /usr/lib/libQtGui.so.4
#27 0x0000003941a104e4 in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4
#28 0x0000003941a39f84 in ?? () from /usr/lib/libQtGui.so.4
#29 0x0000003f8183a20a in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#30 0x0000003f8183d8e0 in ?? () from /usr/lib/libglib-2.0.so.0
#31 0x0000003f8183da7c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#32 0x000000394017152f in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#33 0x0000003941a3970f in ?? () from /usr/lib/libQtGui.so.4
#34 0x00000039401466a2 in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#35 0x0000003940146a6d in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#36 0x0000003940148d34 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#37 0x0000003d2183d63b in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#38 0x000000000040714e in _start ()

This bug may be a duplicate of or related to bug 199117

Reported using DrKonqi