Application that crashed: kwrite
Version of the application: 4.3.4 (KDE 4.3.4) "release 2"
KDE Version: 4.3.4 (KDE 4.3.4) "release 2"
Qt Version: 4.6.0
Operating System: Linux 2.6.31.5-0.1-desktop x86_64
Distribution: "openSUSE 11.2 (x86_64)"

What I was doing when the application crashed:
I tried to run Kwrite as superuser using kdesu and it just crashed.

 -- Backtrace:
Application: KWrite (kwrite), signal: Segmentation fault
[KCrash Handler]
#5  QDataStream::operator>> (this=0x0, i=@0x7fffeab00f4c) at io/qdatastream.cpp:715
#6  0x00007f4cff57578f in KServiceFactory::KServiceFactory (this=0x7530d0) at /usr/src/debug/kdelibs-4.3.4/kdecore/services/kservicefactory.cpp:44
#7  0x00007f4cff575a52 in self (this=<value optimized out>) at /usr/src/debug/kdelibs-4.3.4/kdecore/sycoca/ksycocafactory.h:200
#8  KServiceFactory::self (this=<value optimized out>) at /usr/src/debug/kdelibs-4.3.4/kdecore/services/kservicefactory.cpp:75
#9  0x00007f4cff56da1d in KService::serviceByDesktopName (_name=<value optimized out>) at /usr/src/debug/kdelibs-4.3.4/kdecore/services/kservice.cpp:616
#10 0x00007f4d0127b192 in KTextEditor::EditorChooser::editor (postfix=<value optimized out>, fallBackToKatePart=true) at /usr/src/debug/kdelibs-4.3.4/interfaces/ktexteditor/editorchooser.cpp:129
#11 0x00007f4d017f9cff in KWrite::KWrite (this=0x752180, doc=0x0, __in_chrg=<value optimized out>, __vtt_parm=<value optimized out>) at /usr/src/debug/kdebase-4.3.4/apps/kwrite/kwritemain.cpp:67
#12 0x00007f4d017fc80f in kdemain (argc=<value optimized out>, argv=<value optimized out>) at /usr/src/debug/kdebase-4.3.4/apps/kwrite/kwritemain.cpp:715
#13 0x00007f4d014afa7d in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, 
    rtld_fini=<value optimized out>, stack_end=0x7fffeab01fc8) at libc-start.c:220
#14 0x0000000000400699 in _start () at ../sysdeps/x86_64/elf/start.S:113
Warning: the current language does not match this frame.
The current source language is "auto; currently c".

Reported using DrKonqi