Application that crashed: plasma-desktop
Version of the application: 0.3
KDE Version: 4.3.4 (KDE 4.3.4)
Qt Version: 4.6.0
Operating System: Linux 2.6.32-trunk-amd64 x86_64
Distribution: Debian GNU/Linux unstable (sid)

What I was doing when the application crashed:
Amarok crashed when changing to next track using the shortcut Windows+B. 

 -- Backtrace:
Application: Plasma Workspace (kdeinit4), signal: Segmentation fault
The current source language is "auto; currently c".
[Current thread is 1 (Thread 0x7f1f4d1bf750 (LWP 2186))]

Thread 2 (Thread 0x7f1f2d5c2910 (LWP 2190)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x00007f1f4cbcade9 in QWaitConditionPrivate::wait (this=0x130c850, mutex=0x130c848, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:87
#2  QWaitCondition::wait (this=0x130c850, mutex=0x130c848, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:159
#3  0x00007f1f48ebbf84 in QHostInfoAgent::run (this=0x130c830) at kernel/qhostinfo.cpp:252
#4  0x00007f1f4cbc9ef5 in QThreadPrivate::start (arg=0x130c830) at thread/qthread_unix.cpp:244
#5  0x00007f1f4a0e873a in start_thread (arg=<value optimized out>) at pthread_create.c:300
#6  0x00007f1f4a3c969d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f1f4d1bf750 (LWP 2186)):
[KCrash Handler]
#5  0x00007f1f4b162034 in QGraphicsLayoutItem::parentLayoutItem (this=0xf99c50) at graphicsview/qgraphicslayoutitem.cpp:781
#6  0x00007f1f4b16110a in QGraphicsLayoutPrivate::addChildLayoutItem (this=0x1383fe0, layoutItem=0xf99c50) at graphicsview/qgraphicslayout_p.cpp:150
#7  0x00007f1f4b136954 in QGraphicsGridLayout::addItem (this=0x1301e40, item=0xf99c50, row=0, column=2, rowSpan=1, columnSpan=1, alignment=...) at graphicsview/qgraphicsgridlayout.cpp:162
#8  0x00007f1f2eb336d6 in TaskItemLayout::layoutItems (this=0x1301e30) at ../../../../plasma/applets/tasks/taskitemlayout.cpp:375
#9  0x00007f1f2eb33c1b in TaskItemLayout::insert (this=0x1301e30, index=<value optimized out>, item=0x13d4cf0) at ../../../../plasma/applets/tasks/taskitemlayout.cpp:129
#10 0x00007f1f2eb33e10 in TaskItemLayout::addTaskItem (this=0x1301e30, item=0x13d4cf0) at ../../../../plasma/applets/tasks/taskitemlayout.cpp:82
#11 0x00007f1f2eb3ffd8 in TaskGroupItem::itemAdded (this=0x1356730, groupableItem=0x136c730) at ../../../../plasma/applets/tasks/taskgroupitem.cpp:477
#12 0x00007f1f2eb40664 in TaskGroupItem::qt_metacall (this=0x1356730, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7ffffa721580) at ./taskgroupitem.moc:113
#13 0x00007f1f4ccd1647 in QMetaObject::activate (sender=0x138f140, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x2) at kernel/qobject.cpp:3294
#14 0x00007f1f302c5d5f in TaskManager::TaskGroup::itemAdded (this=0xf99c50, _t1=0x136c730) at ./taskgroup.moc:145
#15 0x00007f1f302c664f in TaskManager::TaskGroup::add (this=0x138f140, item=0x136c730) at ../../../libs/taskmanager/taskgroup.cpp:138
#16 0x00007f1f302affa4 in TaskManager::GroupManagerPrivate::addTask (this=0x139b010, task=) at ../../../libs/taskmanager/groupmanager.cpp:290
#17 0x00007f1f302b208a in TaskManager::GroupManager::qt_metacall (this=0x104b440, _c=<value optimized out>, _id=<value optimized out>, _a=0x7ffffa7217c0) at ./groupmanager.moc:103
#18 0x00007f1f4ccd1647 in QMetaObject::activate (sender=0x139f570, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x2) at kernel/qobject.cpp:3294
#19 0x00007f1f302c9202 in TaskManager::TaskManager::taskAdded (this=0xf99c50, _t1=<value optimized out>) at ./taskmanager.moc:155
#20 0x00007f1f302cb200 in TaskManager::TaskManager::windowAdded (this=0x139f570, w=27263026) at ../../../libs/taskmanager/taskmanager.cpp:262
#21 0x00007f1f302cc41f in TaskManager::TaskManager::qt_metacall (this=0x139f570, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7ffffa721a50) at ./taskmanager.moc:109
#22 0x00007f1f4ccd1647 in QMetaObject::activate (sender=0xd488f0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x2) at kernel/qobject.cpp:3294
#23 0x00007f1f4b9935c2 in KWindowSystem::windowAdded (this=0xf99c50, _t1=27263026) at ./kwindowsystem.moc:120
#24 0x00007f1f4b99617a in KWindowSystemPrivate::addClient (this=0xd8e800, w=27263026) at ../../kdeui/windowmanagement/kwindowsystem_x11.cpp:229
#25 0x00007f1f4b9a3d1d in NETRootInfo::update (this=0xd8e828, dirty_props=<value optimized out>) at ../../kdeui/windowmanagement/netwm.cpp:2186
#26 0x00007f1f4b9a4a21 in NETRootInfo::event (this=0xd8e828, event=<value optimized out>, properties=0x7ffffa721d80, properties_size=5) at ../../kdeui/windowmanagement/netwm.cpp:2058
#27 0x00007f1f4b9965cc in KWindowSystemPrivate::x11Event (this=0xd8e800, ev=0x7ffffa722580) at ../../kdeui/windowmanagement/kwindowsystem_x11.cpp:136
#28 0x00007f1f4b868316 in KAppX11HackWidget::publicx11Event (this=<value optimized out>, _event=0x7ffffa722580) at ../../kdeui/kernel/kapplication.cpp:900
#29 KApplication::x11EventFilter (this=<value optimized out>, _event=0x7ffffa722580) at ../../kdeui/kernel/kapplication.cpp:950
#30 0x00007f1f40d59644 in PlasmaApp::x11EventFilter (this=0xa43430, event=0x7ffffa722580) at ../../../../plasma/shells/desktop/plasmaapp.cpp:490
#31 0x00007f1f4abce8cf in qt_x11EventFilter (ev=0x7ffffa722580) at kernel/qapplication_x11.cpp:399
#32 0x00007f1f4abdf7df in QApplication::x11ProcessEvent (this=0xa43430, event=0x7ffffa722580) at kernel/qapplication_x11.cpp:3231
#33 0x00007f1f4ac0a9a2 in x11EventSourceDispatch (s=0xa7ca30, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:146
#34 0x00007f1f4963090e in g_main_dispatch (context=0xa7bd20) at /tmp/buildd/glib2.0-2.22.4/glib/gmain.c:1960
#35 IA__g_main_context_dispatch (context=0xa7bd20) at /tmp/buildd/glib2.0-2.22.4/glib/gmain.c:2513
#36 0x00007f1f496342c8 in g_main_context_iterate (context=0xa7bd20, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>)
    at /tmp/buildd/glib2.0-2.22.4/glib/gmain.c:2591
#37 0x00007f1f496343f0 in IA__g_main_context_iteration (context=0xa7bd20, may_block=1) at /tmp/buildd/glib2.0-2.22.4/glib/gmain.c:2654
#38 0x00007f1f4cce768c in QEventDispatcherGlib::processEvents (this=0x9f6970, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:407
#39 0x00007f1f4ac0a53f in QGuiEventDispatcherGlib::processEvents (this=0xf99c50, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:202
#40 0x00007f1f4ccbc4c2 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#41 0x00007f1f4ccbc894 in QEventLoop::exec (this=0x7ffffa7228b0, flags=...) at kernel/qeventloop.cpp:201
#42 0x00007f1f4ccbed46 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#43 0x00007f1f40d462af in kdemain (argc=<value optimized out>, argv=<value optimized out>) at ../../../../plasma/shells/desktop/main.cpp:50
#44 0x0000000000406eee in launch (argc=1, _name=<value optimized out>, args=<value optimized out>, cwd=<value optimized out>, envc=0, envs=<value optimized out>, reset_env=false, tty=0x0, 
    avoid_loops=false, startup_id_str=0x40a097 "0") at ../../kinit/kinit.cpp:677
#45 0x0000000000407afd in handle_launcher_request (sock=7, who=<value optimized out>) at ../../kinit/kinit.cpp:1169
#46 0x0000000000407fe1 in handle_requests (waitForPid=0) at ../../kinit/kinit.cpp:1362
#47 0x0000000000408716 in main (argc=2, argv=<value optimized out>, envp=<value optimized out>) at ../../kinit/kinit.cpp:1793
The current source language is "auto; currently asm".
The current source language is "auto; currently c".

Reported using DrKonqi