Application: plasma-desktop (0.3)
KDE Platform Version: 4.4.3 (KDE 4.4.3)
Qt Version: 4.6.2
Operating System: Linux 2.6.33.7-desktop-2mnb x86_64
Distribution: "Mandriva Linux 2010.1"

-- Information about the crash:
I use Amarok 2.4 beta 1 built from sources. After quiting from Amarok while it was playing track, plasma crashed. Also, I was using "Now Rocking" widget on my desktop.

 -- Backtrace:
Application: Рабочее пространство Plasma (kdeinit4), signal: Segmentation fault
[KCrash Handler]
#5  0x00007fa4c06f2786 in isEmpty (this=0x17ff800, akey=...) at /usr/lib/qt4/include/QtCore/qhash.h:293
#6  QHash<QString, QVariant>::remove (this=0x17ff800, akey=...) at /usr/lib/qt4/include/QtCore/qhash.h:779
#7  0x00007fa4c06f1633 in Plasma::DataContainer::setData (this=0x1907240, key=..., value=...) at /usr/src/debug/kdelibs-4.4.3/plasma/datacontainer.cpp:51
#8  0x00007fa4a2af2a96 in PlayerContainer::updateInfo (this=0x1907240) at /usr/src/debug/kdebase-workspace-4.4.3/plasma/generic/dataengines/nowplaying/playercontainer.cpp:76
#9  0x00007fa4a2af2d20 in PlayerContainer::qt_metacall (this=0x1907240, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=<value optimized out>)
    at /usr/src/debug/kdebase-workspace-4.4.3/build/plasma/generic/dataengines/nowplaying/playercontainer.moc:74
#10 0x00007fa4c772fb5f in QMetaObject::activate (sender=0x1907240, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x1e6d7d8) at kernel/qobject.cpp:3293
#11 0x00007fa4c06f1022 in Plasma::DataContainer::updateRequested (this=0x17ff800, _t1=0x1907240) at /usr/src/debug/kdelibs-4.4.3/build/plasma/datacontainer.moc:115
#12 0x00007fa4c0728f23 in Plasma::SignalRelay::timerEvent (this=0x182ebd0, event=<value optimized out>) at /usr/src/debug/kdelibs-4.4.3/plasma/private/datacontainer_p.cpp:155
#13 0x00007fa4c772c7b3 in QObject::event (this=0x182ebd0, e=0x7fffba78e560) at kernel/qobject.cpp:1212
#14 0x00007fa4c68c27cc in QApplicationPrivate::notify_helper (this=0x8b42b0, receiver=0x182ebd0, e=0x7fffba78e560) at kernel/qapplication.cpp:4300
#15 0x00007fa4c68c8dcb in QApplication::notify (this=0x89dbd0, receiver=0x182ebd0, e=0x7fffba78e560) at kernel/qapplication.cpp:4183
#16 0x00007fa4c7c4ee46 in KApplication::notify (this=0x89dbd0, receiver=0x182ebd0, event=0x7fffba78e560) at /usr/src/debug/kdelibs-4.4.3/kdeui/kernel/kapplication.cpp:302
#17 0x00007fa4c771cd5c in QCoreApplication::notifyInternal (this=0x89dbd0, receiver=0x182ebd0, event=0x7fffba78e560) at kernel/qcoreapplication.cpp:704
#18 0x00007fa4c7749a82 in sendEvent (this=0x8b78b0) at kernel/qcoreapplication.h:215
#19 QTimerInfoList::activateTimers (this=0x8b78b0) at kernel/qeventdispatcher_unix.cpp:603
#20 0x00007fa4c7746578 in timerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#21 idleTimerSourceDispatch (source=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:231
#22 0x00007fa4c2d5cd20 in g_main_dispatch (context=0x8b6930) at gmain.c:1960
#23 IA__g_main_context_dispatch (context=0x8b6930) at gmain.c:2513
#24 0x00007fa4c2d60b88 in g_main_context_iterate (context=0x8b6930, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>) at gmain.c:2591
#25 0x00007fa4c2d60d3c in IA__g_main_context_iteration (context=0x8b6930, may_block=1) at gmain.c:2654
#26 0x00007fa4c7746243 in QEventDispatcherGlib::processEvents (this=0x8b4010, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:412
#27 0x00007fa4c697158e in QGuiEventDispatcherGlib::processEvents (this=0x17ff800, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#28 0x00007fa4c771b682 in QEventLoop::processEvents (this=<value optimized out>, flags=) at kernel/qeventloop.cpp:149
#29 0x00007fa4c771ba5c in QEventLoop::exec (this=0x7fffba78e800, flags=) at kernel/qeventloop.cpp:201
#30 0x00007fa4c771f79b in QCoreApplication::exec () at kernel/qcoreapplication.cpp:981
#31 0x00007fa4ba644e62 in kdemain (argc=<value optimized out>, argv=<value optimized out>) at /usr/src/debug/kdebase-workspace-4.4.3/plasma/desktop/shell/main.cpp:112
#32 0x0000000000406b08 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=0x40a01d "0") at /usr/src/debug/kdelibs-4.4.3/kinit/kinit.cpp:717
#33 0x00000000004077c0 in handle_launcher_request (sock=8, who=<value optimized out>) at /usr/src/debug/kdelibs-4.4.3/kinit/kinit.cpp:1209
#34 0x0000000000407d4f in handle_requests (waitForPid=0) at /usr/src/debug/kdelibs-4.4.3/kinit/kinit.cpp:1402
#35 0x0000000000408972 in main (argc=4, argv=<value optimized out>, envp=<value optimized out>) at /usr/src/debug/kdelibs-4.4.3/kinit/kinit.cpp:1845

Reported using DrKonqi