On Mon, Jun 02, 2008 at 09:44:22AM +0200, Frederik Himpe wrote:
>
> Well, thinking about this again with a less sleepy mind, i'm not 100%
> sure anymore I really installed the x86_64 -debug packages and not the
> i586 -debug packages. I'll check this tonight and let you know.

As I suspected that was indeed the problem. Now with the correct x86_64
packages, I have a usable backtrace from this knotify4 crashes at login:

Application: KNotify (knotify4), signal SIGABRT
Using host libthread_db library "/lib64/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread 140402340501248 (LWP 4963)]
[New Thread 1102383440 (LWP 4965)]
[New Thread 1092196688 (LWP 4964)]
[KCrash handler]
#5 0x00007fb1f266b945 in raise () from /lib64/libc.so.6
#6 0x00007fb1f266d173 in abort () from /lib64/libc.so.6
#7 0x00007fb1f6e12405 in qt_message_output () from /usr/lib64/libQtCore.so.4
#8 0x00007fb1f6e1252d in qFatal () from /usr/lib64/libQtCore.so.4
#9 0x00007fb1ed985b7a in Phonon::Xine::XineEngine::nullPort ()
  at /usr/src/debug/kdebase-runtime-4.0.81/runtime/phonon/xine/xineengine.cpp:256
#10 0x00007fb1ed98b479 in Phonon::Xine::XineStream::createStream (
  this=0x1567970)
  at /usr/src/debug/kdebase-runtime-4.0.81/runtime/phonon/xine/xinestream.cpp:379
#11 0x00007fb1ed98dd61 in Phonon::Xine::XineStream::event (this=0x1567970,
  ev=0x15763f0)
  at /usr/src/debug/kdebase-runtime-4.0.81/runtime/phonon/xine/xinestream.cpp:959
#12 0x00007fb1f50fe1cd in QApplicationPrivate::notify_helper ()
 from /usr/lib64/libQtGui.so.4
#13 0x00007fb1f51054fe in QApplication::notify ()
 from /usr/lib64/libQtGui.so.4
#14 0x00007fb1f3bea23e in KApplication::notify (this=0x7fffffa41bc0,
  receiver=0x1567970, event=0x15763f0)
  at /usr/src/debug/kdelibs-4.0.81/kdeui/kernel/kapplication.cpp:311
#15 0x00007fb1f6ef9e0c in QCoreApplication::notifyInternal ()
 from /usr/lib64/libQtCore.so.4
#16 0x00007fb1f6efd684 in QCoreApplicationPrivate::sendPostedEvents ()
 from /usr/lib64/libQtCore.so.4
#17 0x00007fb1f6f23300 in QEventDispatcherUNIX::processEvents ()
 from /usr/lib64/libQtCore.so.4
#18 0x00007fb1f6ef8a32 in QEventLoop::processEvents ()
 from /usr/lib64/libQtCore.so.4
#19 0x00007fb1f6ef8bc5 in QEventLoop::exec () from /usr/lib64/libQtCore.so.4
#20 0x00007fb1f6e176dc in QThread::exec () from /usr/lib64/libQtCore.so.4
#21 0x00007fb1ed982f9f in Phonon::Xine::XineThread::run (this=0x1506150)
  at /usr/src/debug/kdebase-runtime-4.0.81/runtime/phonon/xine/xinethread.cpp:111
#22 0x00007fb1f6e1a9e4 in QThreadPrivate::start ()
 from /usr/lib64/libQtCore.so.4
#23 0x00007fb1f6ba22a3 in start_thread () from /lib64/libpthread.so.0
#24 0x00007fb1f2716e9d in clone () from /lib64/libc.so.6

Thread 1 (Thread 140402340501248 (LWP 4963)):
#0 0x00007fb1f6ba5f59 in pthread_cond_wait@@(protected) ()
 from /lib64/libpthread.so.0
#1 0x00007fb1f6e19d2b in QMutexPrivate::wait ()
 from /usr/lib64/libQtCore.so.4
#2 0x00007fb1f6e151ab in QMutex::lock () from /usr/lib64/libQtCore.so.4
#3 0x00007fb1ed98a9f7 in Phonon::Xine::XineStream::closeBlocking (
  this=0x1567970)
  at /usr/src/debug/kdebase-runtime-4.0.81/runtime/phonon/xine/xinestream.cpp:1242
#4 0x00007fb1ed998a5c in ~MediaObject (this=0x1565770)
  at /usr/src/debug/kdebase-runtime-4.0.81/runtime/phonon/xine/mediaobject.cpp:120
#5 0x00007fb1f37c067b in Phonon::MediaNodePrivate::deleteBackendObject ()
 from /usr/lib64/libphonon.so.4
#6 0x00007fb1f37d34c2 in Phonon::FactoryPrivate::~FactoryPrivate$delete ()
 from /usr/lib64/libphonon.so.4
#7 0x00007fb1f37d24b4 in QObject::disconnectNotify ()
 from /usr/lib64/libphonon.so.4
#8 0x00007fb1f37b7acd in Phonon::CleanUpGlobalStatic::~CleanUpGlobalStatic ()
 from /usr/lib64/libphonon.so.4
#9 0x00007fb1f266e82d in exit () from /lib64/libc.so.6
#10 0x00007fb1f5155b18 in qt_xio_errhandler () from /usr/lib64/libQtGui.so.4
#11 0x00007fb1f3be8dd0 in KApplication::xioErrhandler (this=0x7fffffa41bc0,
  dpy=0x1445890)
  at /usr/src/debug/kdelibs-4.0.81/kdeui/kernel/kapplication.cpp:418
#12 0x00007fb1f6486e83 in _XIOError () from /usr/lib64/libX11.so.6
#13 0x00007fb1f6490471 in QObject::disconnectNotify ()
 from /usr/lib64/libX11.so.6
#14 0x00007fb1f649055a in _XEventsQueued () from /usr/lib64/libX11.so.6
#15 0x00007fb1f646f20e in XEventsQueued () from /usr/lib64/libX11.so.6
#16 0x00007fb1f5186a77 in QEventDispatcherX11::processEvents ()
 from /usr/lib64/libQtGui.so.4
#17 0x00007fb1f6ef8a32 in QEventLoop::processEvents ()
 from /usr/lib64/libQtCore.so.4
#18 0x00007fb1f6ef8bc5 in QEventLoop::exec () from /usr/lib64/libQtCore.so.4
#19 0x00007fb1f6efd937 in QCoreApplication::exec ()
 from /usr/lib64/libQtCore.so.4
#20 0x000000000040653b in main (argc=1, argv=0x7fffffa41f68)
  at /usr/src/debug/kdebase-runtime-4.0.81/runtime/knotify/main.cpp:72
#21 0x00007fb1f265832a in __libc_start_main () from /lib64/libc.so.6
#22 0x0000000000405ed9 in _start ()
#0 0x00007fb1f6ba5f59 in pthread_cond_wait@@(protected) ()
 from /lib64/libpthread.so.0

Unfortunately, bugs.kde.org hangs while trying to submit a bug report...

--
Frederik Himpe