Version:            (using Devel)
Installed from:    Compiled sources
Compiler:          gcc 4.2.3 
OS:                Linux

I've compiled kde4 from svn under Ubuntu 8.04 running in vmware-server.
Whenever a notification occurs, knotify4 crashes and recursively crashes repeatedly.

Application: KNotify (knotify4), signal SIGABRT
[Thread debugging using libthread_db enabled]
[New Thread 0xb6761720 (LWP 26737)]
[New Thread 0xb42e7b90 (LWP 26739)]
[New Thread 0xb4ae8b90 (LWP 26738)]
[KCrash handler]
#6  0xb7f5f410 in __kernel_vsyscall ()
#7  0xb699b085 in raise () from /lib/tls/i686/cmov/libc.so.6
#8  0xb699ca01 in abort () from /lib/tls/i686/cmov/libc.so.6
#9  0xb7d61895 in qt_message_output (msgType=QtFatalMsg, 
    buf=0xb42e4820 "ASSERT: \"s_instance->m_nullPort\" in file /home/diarmuid/kde/src/KDE/kdebase/runtime/phonon/xine/xineengine.cpp, line 256")
    at /home/diarmuid/kde/src/qt-copy/src/corelib/global/qglobal.cpp:2058
#10 0xb7d61919 in qFatal (msg=0xb7eb8104 "ASSERT: \"%s\" in file %s, line %d")
    at /home/diarmuid/kde/src/qt-copy/src/corelib/global/qglobal.cpp:2260
#11 0xb7d61d71 in qt_assert (assertion=0xb4c034cd "s_instance->m_nullPort", 
    file=0xb4c0310c "/home/diarmuid/kde/src/KDE/kdebase/runtime/phonon/xine/xineengine.cpp", line=256)
    at /home/diarmuid/kde/src/qt-copy/src/corelib/global/qglobal.cpp:1828
#12 0xb4bd5ad6 in Phonon::Xine::XineEngine::nullPort ()
    at /home/diarmuid/kde/src/KDE/kdebase/runtime/phonon/xine/xineengine.cpp:256
#13 0xb4bdc558 in Phonon::Xine::XineStream::createStream (this=0x8136828)
    at /home/diarmuid/kde/src/KDE/kdebase/runtime/phonon/xine/xinestream.cpp:379
#14 0xb4bdfd20 in Phonon::Xine::XineStream::event (this=0x8136828, 
    ev=0x8138330)
    at /home/diarmuid/kde/src/KDE/kdebase/runtime/phonon/xine/xinestream.cpp:959
#15 0xb72c152d in QApplicationPrivate::notify_helper (this=0x8076410, 
    receiver=0x8136828, e=0x8138330)
    at /home/diarmuid/kde/src/qt-copy/src/gui/kernel/qapplication.cpp:3772
#16 0xb72c1813 in QApplication::notify (this=0xbfcfb78c, receiver=0x8136828, 
    e=0x8138330)
    at /home/diarmuid/kde/src/qt-copy/src/gui/kernel/qapplication.cpp:3366
#17 0xb6f96741 in KApplication::notify (this=0xbfcfb78c, receiver=0x8136828, 
    event=0x8138330)
    at /home/diarmuid/kde/src/KDE/kdelibs/kdeui/kernel/kapplication.cpp:311
#18 0xb7e6068a in QCoreApplication::notifyInternal (this=0xbfcfb78c, 
    receiver=0x8136828, event=0x8138330)
    at /home/diarmuid/kde/src/qt-copy/src/corelib/kernel/qcoreapplication.cpp:583
#19 0xb7e641c9 in QCoreApplication::sendEvent (receiver=0x8136828, 
    event=0x8138330)
    at ../../include/QtCore/../../../../src/qt-copy/src/corelib/kernel/qcoreapplication.h:215
#20 0xb7e60ba2 in QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, 
    event_type=0, data=0x812f7d8)
    at /home/diarmuid/kde/src/qt-copy/src/corelib/kernel/qcoreapplication.cpp:1195
#21 0xb7e60d53 in QCoreApplication::sendPostedEvents (receiver=0x0, 
    event_type=0)
    at /home/diarmuid/kde/src/qt-copy/src/corelib/kernel/qcoreapplication.cpp:1091
#22 0xb7e915a2 in QCoreApplication::sendPostedEvents ()
    at ../../include/QtCore/../../../../src/qt-copy/src/corelib/kernel/qcoreapplication.h:220
#23 0xb7e907b3 in postEventSourceDispatch (s=0x8101ba8)
    at /home/diarmuid/kde/src/qt-copy/src/corelib/kernel/qeventdispatcher_glib.cpp:211
#24 0xb681cbf8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#25 0xb681fe5e in ?? () from /usr/lib/libglib-2.0.so.0
#26 0xb68203ac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#27 0xb7e8fbcc in QEventDispatcherGlib::processEvents (this=0x8072d50, 
    flags=@0xb42e7224)
    at /home/diarmuid/kde/src/qt-copy/src/corelib/kernel/qeventdispatcher_glib.cpp:325
#28 0xb7e5d54a in QEventLoop::processEvents (this=0xb42e729c, 
    flags=@0xb42e7264)
    at /home/diarmuid/kde/src/qt-copy/src/corelib/kernel/qeventloop.cpp:149
#29 0xb7e5d789 in QEventLoop::exec (this=0xb42e729c, flags=@0xb42e72a4)
    at /home/diarmuid/kde/src/qt-copy/src/corelib/kernel/qeventloop.cpp:196
#30 0xb7d684a1 in QThread::exec (this=0x8120468)
    at /home/diarmuid/kde/src/qt-copy/src/corelib/thread/qthread.cpp:433
#31 0xb4bd222b in Phonon::Xine::XineThread::run (this=0x8120468)
    at /home/diarmuid/kde/src/KDE/kdebase/runtime/phonon/xine/xinethread.cpp:111
#32 0xb7d6c405 in QThreadPrivate::start (arg=0x8120468)
    at /home/diarmuid/kde/src/qt-copy/src/corelib/thread/qthread_unix.cpp:190
#33 0xb7ced4fb in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#34 0xb6a46e5e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb6761720 (LWP 26737)):
#0  0xb7f5f410 in __kernel_vsyscall ()
#1  0xb7cf1aa5 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb7d6b108 in QMutexPrivate::wait (this=0x8131d20, timeout=-1)
    at /home/diarmuid/kde/src/qt-copy/src/corelib/thread/qmutex_unix.cpp:85
#3  0xb7d65a06 in QMutex::lock (this=0x8136854)
    at /home/diarmuid/kde/src/qt-copy/src/corelib/thread/qmutex.cpp:188
#4  0xb4bdb852 in Phonon::Xine::XineStream::closeBlocking (this=0x8136828)
    at /home/diarmuid/kde/src/KDE/kdebase/runtime/phonon/xine/xinestream.cpp:1242
#5  0xb4bee001 in ~MediaObject (this=0x812df18)
    at /home/diarmuid/kde/src/KDE/kdebase/runtime/phonon/xine/mediaobject.cpp:120
#6  0xb6d8bf1d in Phonon::MediaNodePrivate::deleteBackendObject ()
   from /home/diarmuid/kde/lib/libphonon.so.4
#7  0xb6d9e29c in Phonon::FactoryPrivate::~FactoryPrivate ()
   from /home/diarmuid/kde/lib/libphonon.so.4
#8  0xb6d9d372 in Phonon::._252::destroy ()
   from /home/diarmuid/kde/lib/libphonon.so.4
#9  0xb6d804af in Phonon::CleanUpGlobalStatic::~CleanUpGlobalStatic ()
   from /home/diarmuid/kde/lib/libphonon.so.4
#10 0xb6d9d1d0 in __tcf_0 () from /home/diarmuid/kde/lib/libphonon.so.4
#11 0xb699e084 in exit () from /lib/tls/i686/cmov/libc.so.6
#12 0xb7331567 in qt_xio_errhandler ()
    at /home/diarmuid/kde/src/qt-copy/src/gui/kernel/qapplication_x11.cpp:590
#13 0xb6f95c90 in KApplication::xioErrhandler (this=0xbfcfb78c, dpy=0x80804e0)
    at /home/diarmuid/kde/src/KDE/kdelibs/kdeui/kernel/kapplication.cpp:418
#14 0xb6f95cd0 in kde_xio_errhandler (dpy=0x80804e0)
    at /home/diarmuid/kde/src/KDE/kdelibs/kdeui/kernel/kapplication.cpp:130
#15 0xb7a2f892 in _XIOError () from /usr/lib/libX11.so.6
#16 0xb7a36fb7 in ?? () from /usr/lib/libX11.so.6
#17 0xb7a3771f in _XEventsQueued () from /usr/lib/libX11.so.6
#18 0xb7a20a4f in XEventsQueued () from /usr/lib/libX11.so.6
#19 0xb736994e in x11EventSourcePrepare (s=0x8079038, timeout=0xbfcfb578)
    at /home/diarmuid/kde/src/qt-copy/src/gui/kernel/qguieventdispatcher_glib.cpp:81
#20 0xb681f3e0 in g_main_context_prepare () from /usr/lib/libglib-2.0.so.0
#21 0xb681fb09 in ?? () from /usr/lib/libglib-2.0.so.0
#22 0xb68203ac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#23 0xb7e8fbcc in QEventDispatcherGlib::processEvents (this=0x8071150, 
    flags=@0xbfcfb654)
    at /home/diarmuid/kde/src/qt-copy/src/corelib/kernel/qeventdispatcher_glib.cpp:325
#24 0xb7369428 in QGuiEventDispatcherGlib::processEvents (this=0x8071150, 
    flags=@0xbfcfb684)
    at /home/diarmuid/kde/src/qt-copy/src/gui/kernel/qguieventdispatcher_glib.cpp:204
#25 0xb7e5d54a in QEventLoop::processEvents (this=0xbfcfb700, 
    flags=@0xbfcfb6c4)
    at /home/diarmuid/kde/src/qt-copy/src/corelib/kernel/qeventloop.cpp:149
#26 0xb7e5d789 in QEventLoop::exec (this=0xbfcfb700, flags=@0xbfcfb708)
    at /home/diarmuid/kde/src/qt-copy/src/corelib/kernel/qeventloop.cpp:196
#27 0xb7e60e73 in QCoreApplication::exec ()
    at /home/diarmuid/kde/src/qt-copy/src/corelib/kernel/qcoreapplication.cpp:845
#28 0xb72c1246 in QApplication::exec ()
    at /home/diarmuid/kde/src/qt-copy/src/gui/kernel/qapplication.cpp:3304
#29 0x0804da2b in main (argc=-1223630552, argv=0x80d8ef0)
    at /home/diarmuid/kde/src/KDE/kdebase/runtime/knotify/main.cpp:73
#0  0xb7f5f410 in __kernel_vsyscall ()