As an FYI the KNotify crash seemed to be related to not having a sound card  KDE is now running crash free.  Here is my config:

-KVM-60
-soundhw es1370
-cirrus video driver
-selinux disabled

Mark Bidewell

On Feb 7, 2008 8:06 AM, Rex Dieter <rdieter@math.unl.edu> wrote:
Rex Dieter wrote:

> Mark Bidewell wrote:
>
>> Thanks.  I tried that - no luck.  This would appear to be some kind of
>> X11 issue as updating KDE without updating X results in KDE4 loading
>> however it freezes once loaded.
>>
>> Hopefully these issues don't extend to real hardware.
>
> There are quite a few outstanding kde4/selinux issues in need of some
> love, which may or may not be impacting your problem here.

See also:
which seems to affect most/all folks trying to run kde4 under qemu.