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-ARCH i686

What I was doing when the application crashed:
I wrote a mail in Evolution. When I send then mail the panel crashed.

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
[Current thread is 0 (LWP 2349)]

Thread 2 (Thread 0xa9119b70 (LWP 2350)):
#0  0xb7fcd424 in __kernel_vsyscall ()
#1  0xb7d68c55 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb7dc6047 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#3  0xb6587af2 in ?? () from /usr/lib/libQtNetwork.so.4
#4  0xb7dc5032 in ?? () from /usr/lib/libQtCore.so.4
#5  0xb7d646bc in start_thread () from /lib/libpthread.so.0
#6  0xb6805ffe in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb5de5710 (LWP 2349)):
[KCrash Handler]
#6  0xb2b792da in TaskManager::GroupManager::manualSortingRequest () from /usr/lib/libtaskmanager.so.4
#7  0xb2b77394 in TaskManager::AbstractGroupingStrategy::closeGroup () from /usr/lib/libtaskmanager.so.4
#8  0xb2b7eb9d in TaskManager::ProgramGroupingStrategy::checkGroup () from /usr/lib/libtaskmanager.so.4
#9  0xb2b7f841 in TaskManager::ProgramGroupingStrategy::qt_metacall () from /usr/lib/libtaskmanager.so.4
#10 0xb7ec991c in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#11 0xb7eca552 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#12 0xb2b92443 in TaskManager::TaskGroup::itemRemoved () from /usr/lib/libtaskmanager.so.4
#13 0xb2b92c6b in TaskManager::TaskGroup::remove () from /usr/lib/libtaskmanager.so.4
#14 0xb2b79e05 in TaskManager::GroupManagerPrivate::removeTask () from /usr/lib/libtaskmanager.so.4
#15 0xb2b7c3ab in TaskManager::GroupManager::qt_metacall () from /usr/lib/libtaskmanager.so.4
#16 0xb7ec991c in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#17 0xb7eca552 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#18 0xb2b95e03 in TaskManager::TaskManager::taskRemoved () from /usr/lib/libtaskmanager.so.4
#19 0xb2b97b33 in TaskManager::TaskManager::windowRemoved () from /usr/lib/libtaskmanager.so.4
#20 0xb2b9948f in TaskManager::TaskManager::qt_metacall () from /usr/lib/libtaskmanager.so.4
#21 0xb7ec991c in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#22 0xb7eca552 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#23 0xb7620f63 in KWindowSystem::windowRemoved (this=0x97b0ab0, _t1=16846107) at /home/jan/kdemod/testing/kdelibs/src/build/kdeui/kwindowsystem.moc:127
#24 0xb7624206 in KWindowSystemPrivate::removeClient (this=0x9805108, w=16846107) at /home/jan/kdemod/testing/kdelibs/src/kdelibs-4.2.95/kdeui/windowmanagement/kwindowsystem_x11.cpp:249
#25 0xb7632c85 in NETRootInfo::update (this=<value optimized out>, dirty_props=0xbf94a1cc) at /home/jan/kdemod/testing/kdelibs/src/kdelibs-4.2.95/kdeui/windowmanagement/netwm.cpp:2135
#26 0xb7632f82 in NETRootInfo::event (this=0x980511c, event=0xbf94b890, properties=0xbf94a254, properties_size=5)
    at /home/jan/kdemod/testing/kdelibs/src/kdelibs-4.2.95/kdeui/windowmanagement/netwm.cpp:2058
#27 0xb76244a1 in KWindowSystemPrivate::x11Event (this=0x9805108, ev=0xbf94b830) at /home/jan/kdemod/testing/kdelibs/src/kdelibs-4.2.95/kdeui/windowmanagement/kwindowsystem_x11.cpp:136
#28 0xb74d1dd6 in KApplication::x11EventFilter (this=0x968da80, _event=0xbf94b830) at /home/jan/kdemod/testing/kdelibs/src/kdelibs-4.2.95/kdeui/kernel/kapplication.cpp:900
#29 0xb488104f in PlasmaApp::x11EventFilter () from /usr/lib/libkdeinit4_plasma-desktop.so
#30 0xb6af2d90 in ?? () from /usr/lib/libQtGui.so.4
#31 0xb6b03f75 in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4
#32 0xb6b2fe42 in ?? () from /usr/lib/libQtGui.so.4
#33 0xb6699e08 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#34 0xb669d370 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#35 0xb669d4a3 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#36 0xb7ede5dc in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#37 0xb6b2f575 in ?? () from /usr/lib/libQtGui.so.4
#38 0xb7eb24e9 in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#39 0xb7eb293a in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#40 0xb7eb4daf in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#41 0xb6a915b7 in QApplication::exec () from /usr/lib/libQtGui.so.4
#42 0xb486aa4d in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#43 0x0804ddad in launch (argc=<value optimized out>, _name=<value optimized out>, args=<value optimized out>, cwd=0x0, envc=0, envs=0x9676098 "", reset_env=false, tty=0x0, avoid_loops=false, 
    startup_id_str=0x8050e6b "0") at /home/jan/kdemod/testing/kdelibs/src/kdelibs-4.2.95/kinit/kinit.cpp:672
#44 0x0804e8cd in handle_launcher_request (sock=<value optimized out>, who=<value optimized out>) at /home/jan/kdemod/testing/kdelibs/src/kdelibs-4.2.95/kinit/kinit.cpp:1164
#45 0x0804ed64 in handle_requests (waitForPid=<value optimized out>) at /home/jan/kdemod/testing/kdelibs/src/kdelibs-4.2.95/kinit/kinit.cpp:1357
#46 0x0804f55f in main (argc=2, argv=0xbf94c434, envp=0xbf94c440) at /home/jan/kdemod/testing/kdelibs/src/kdelibs-4.2.95/kinit/kinit.cpp:1784

This bug may be a duplicate of or related to bug 198046

Reported using DrKonqi