Application: plasma-desktop (0.3)
KDE Platform Version: 4.4.00 (KDE 4.4.0)
Qt Version: 4.6.1
Operating System: Linux 2.6.32-ARCH i686
Distribution (Platform): Archlinux Packages

-- Information about the crash:
After I clicked on Amarok icon, plasma crashed (but Amarok worked).

 -- Backtrace:
Application: Spazio di lavoro di Plasma (kdeinit4), signal: Segmentation fault
[Current thread is 1 (Thread 0xb536b700 (LWP 1769))]

Thread 2 (Thread 0xa4278b70 (LWP 1773)):
#0  0xb7743424 in __kernel_vsyscall ()
#1  0xb5efeeb6 in poll () from /lib/libc.so.6
#2  0xb599c7fb in g_poll () from /usr/lib/libglib-2.0.so.0
#3  0xb598fa2b in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#4  0xb598fd23 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#5  0xb6c74a9f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#6  0xb6c477a9 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#7  0xb6c47bfa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#8  0xb6b45568 in QThread::exec() () from /usr/lib/libQtCore.so.4
#9  0xb6c277bb in ?? () from /usr/lib/libQtCore.so.4
#10 0xb6b4828e in ?? () from /usr/lib/libQtCore.so.4
#11 0xb6ad58ac in start_thread () from /lib/libpthread.so.0
#12 0xb5f0901e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb536b700 (LWP 1769)):
[KCrash Handler]
#6  0xa7e93afa in TaskManager::Task::window() const () from /usr/lib/libtaskmanager.so.4
#7  0xa7ed2ee3 in SmoothTasks::Task::Task(TaskManager::AbstractGroupableItem*, QObject*) () from /usr/lib/kde4/plasma_applet_smooth-tasks.so
#8  0xa7ed787d in SmoothTasks::TaskItem::TaskItem(TaskManager::AbstractGroupableItem*, SmoothTasks::Applet*) () from /usr/lib/kde4/plasma_applet_smooth-tasks.so
#9  0xa7ec446d in SmoothTasks::Applet::itemAdded(TaskManager::AbstractGroupableItem*) () from /usr/lib/kde4/plasma_applet_smooth-tasks.so
#10 0xa7ec89e7 in SmoothTasks::Applet::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/kde4/plasma_applet_smooth-tasks.so
#11 0xb6c4e36a in QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4
#12 0xb6c5c93f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#13 0xa7e9f143 in TaskManager::TaskGroup::itemAdded(TaskManager::AbstractGroupableItem*) () from /usr/lib/libtaskmanager.so.4
#14 0xa7ea01d3 in TaskManager::TaskGroup::add(TaskManager::AbstractGroupableItem*) () from /usr/lib/libtaskmanager.so.4
#15 0xa7e9142c in TaskManager::ProgramGroupingStrategy::handleItem(TaskManager::AbstractGroupableItem*) () from /usr/lib/libtaskmanager.so.4
#16 0xa7e8bdaa in TaskManager::GroupManagerPrivate::addTask(KSharedPtr<TaskManager::Task>) () from /usr/lib/libtaskmanager.so.4
#17 0xa7e8d813 in TaskManager::GroupManager::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libtaskmanager.so.4
#18 0xb6c4e36a in QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4
#19 0xb6c5c93f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#20 0xa7ea4513 in TaskManager::TaskManager::taskAdded(KSharedPtr<TaskManager::Task>) () from /usr/lib/libtaskmanager.so.4
#21 0xa7ea67b3 in TaskManager::TaskManager::windowAdded(unsigned long) () from /usr/lib/libtaskmanager.so.4
#22 0xa7ea7c5f in TaskManager::TaskManager::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libtaskmanager.so.4
#23 0xb6c4e36a in QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) () from /usr/lib/libQtCore.so.4
#24 0xb6c5c93f in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
#25 0xb7084d03 in KWindowSystem::windowAdded(unsigned long) () from /usr/lib/libkdeui.so.5
#26 0xb7087df6 in KWindowSystemPrivate::addClient(unsigned long) () from /usr/lib/libkdeui.so.5
#27 0xb7096947 in NETRootInfo::update(unsigned long const*) () from /usr/lib/libkdeui.so.5
#28 0xb7097452 in NETRootInfo::event(_XEvent*, unsigned long*, int) () from /usr/lib/libkdeui.so.5
#29 0xb70881e1 in KWindowSystemPrivate::x11Event(_XEvent*) () from /usr/lib/libkdeui.so.5
#30 0xb6f281c6 in KApplication::x11EventFilter(_XEvent*) () from /usr/lib/libkdeui.so.5
#31 0xb36e6a9f in PlasmaApp::x11EventFilter(_XEvent*) () from /usr/lib/libkdeinit4_plasma-desktop.so
#32 0xb6217410 in ?? () from /usr/lib/libQtGui.so.4
#33 0xb62268ee in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#34 0xb6254a72 in ?? () from /usr/lib/libQtGui.so.4
#35 0xb598c378 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#36 0xb598fbf0 in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
#37 0xb598fd23 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#38 0xb6c74a65 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#39 0xb62545d5 in ?? () from /usr/lib/libQtGui.so.4
#40 0xb6c477a9 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#41 0xb6c47bfa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#42 0xb6c4bd6f in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#43 0xb6198527 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#44 0xb36d2e6e in kdemain () from /usr/lib/libkdeinit4_plasma-desktop.so
#45 0x0804db12 in _start ()

Reported using DrKonqi