Version:           2.0 (using KDE 4.1.3)
OS:                Linux
Installed from:    SuSE RPMs

Sry, i cant remember what I've done last before amarok2 crashed, but heres the backtrace. I think I pressed the stop button but I'm not sure. I hope this helps:

Anwendung: Amarok (amarok), Signal SIGSEGV
[?1034h[Thread debugging using libthread_db enabled]
[New Thread 0x7faae87f5950 (LWP 29570)]
[New Thread 0x7faae7ff4950 (LWP 29569)]
[New Thread 0x7faae77f3950 (LWP 29568)]
[New Thread 0x7faae6ded950 (LWP 29567)]
[New Thread 0x7faaf9763950 (LWP 6052)]
[New Thread 0x7faaf9f64950 (LWP 6051)]
[New Thread 0x7faafa765950 (LWP 6045)]
[New Thread 0x7faafaf66950 (LWP 6044)]
[New Thread 0x7fab0223a950 (LWP 5991)]
[New Thread 0x7fab02a3b950 (LWP 5990)]
[New Thread 0x7fab0323c950 (LWP 5989)]
[New Thread 0x7fab04754950 (LWP 5974)]
[New Thread 0x7fab04f55950 (LWP 5973)]
[New Thread 0x7fab05756950 (LWP 5972)]
[New Thread 0x7fab06c38950 (LWP 5971)]
[KCrash handler]
#5  0x00007faa00007faa in ?? ()
#6  0x00007fab1a3475f5 in QMetaObject::invokeMethod(QObject*, char const*, Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) ()
   from /usr/lib64/libQtCore.so.4
#7  0x00007fab15764626 in Plasma::Animator::timerEvent (this=0x1824ea0, 
    event=<value optimized out>) at /usr/include/QtCore/qobjectdefs.h:382
#8  0x00007fab1a34dda3 in QObject::event(QEvent*) ()
   from /usr/lib64/libQtCore.so.4
#9  0x00007fab10b571bd in QApplicationPrivate::notify_helper(QObject*, QEvent*)
    () from /usr/lib64/libQtGui.so.4
#10 0x00007fab10b5ef8a in QApplication::notify(QObject*, QEvent*) ()
   from /usr/lib64/libQtGui.so.4
#11 0x00007fab181d4bab in KApplication::notify(QObject*, QEvent*) ()
   from /usr/lib64/libkdeui.so.5
#12 0x00007fab1a33f091 in QCoreApplication::notifyInternal(QObject*, QEvent*)
    () from /usr/lib64/libQtCore.so.4
#13 0x00007fab1a36b1c0 in ?? () from /usr/lib64/libQtCore.so.4
#14 0x00007fab1a36758d in ?? () from /usr/lib64/libQtCore.so.4
#15 0x00007fab0f6500db in g_main_context_dispatch ()
   from /usr/lib64/libglib-2.0.so.0
#16 0x00007fab0f6538ad in ?? () from /usr/lib64/libglib-2.0.so.0
#17 0x00007fab0f653a6b in g_main_context_iteration ()
   from /usr/lib64/libglib-2.0.so.0
#18 0x00007fab1a3674ef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#19 0x00007fab10be797f in ?? () from /usr/lib64/libQtGui.so.4
#20 0x00007fab1a33d9a2 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#21 0x00007fab1a33db2d in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQtCore.so.4
#22 0x00007fab1a33fffd in QCoreApplication::exec() ()
   from /usr/lib64/libQtCore.so.4
#23 0x0000000000404407 in main (argc=1, argv=0x7fff228414b8)
    at /usr/src/debug/amarok-2.0/src/main.cpp:131