Problems executing XEmacs on Debian

Hi all,

I have some problems executing XEmacs 21.4 on a Debian
PC. When I try to open a file with

  xemacs some.file &

then the following stacktrace is displayed:

[----snip----]

dagobert:~> Fatal error: assertion failed, file
bytecode.c, line 1477, abort()

Fatal error (6).

Your files have been auto-saved.
Use `M-x recover-session' to recover them.

If you have access to the PROBLEMS file that came with
your
version of XEmacs, please check to see if your crash
is described
there, as there may be a workaround available.
Otherwise, please report this bug by running the
send-pr
script included with XEmacs, or selecting `Send Bug
Report'
from the help menu.
As a last resort send ordinary email to
`[email protected]'.
*MAKE SURE* to include the information in the command
M-x describe-installation.

If at all possible, *please* try to obtain a C stack
backtrace;
it will help us immensely in determining what went
wrong.
To do this, locate the core file that was produced as
a result
of this crash (it's usually called `core' and is
located in the
directory in which you started the editor, or maybe in
your home
directory), and type

  gdb /usr/bin/xemacs core

then type `where' when the debugger prompt comes up.
(If you don't have GDB on your system, you might have
DBX,
or XDB, or SDB.  A similar procedure should work for
all of
these.  Ask your system administrator if you need more
help.)

Lisp backtrace follows:

  xml-mode()
  # bind (alist mode name keep-going)
  # (unwind-protect ...)
  # bind (just-from-file-name)
  set-auto-mode()
  byte-code("..." [set-auto-mode t] 1)
  # (condition-case ... . ((error (byte-code "ÁÂ!\"Ä"
... 4))))
  # bind (find-file)
  normal-mode(t)
  # bind (nomodes after-find-file-from-revert-buffer
noauto warn error)
  after-find-file(nil t)
  byte-code("..." [buffer-file-number number truename
buffer-file-truename buf buffer-file-name
set-buffer-major-mode erase-buffer nil (byte-code «Â 
Ã\"ªÄ   Ã\"Â" [rawfile filename
insert-file-contents-literally t insert-file-contents]
3) ((file-error ...)) abbreviate-file-name
file-name-directory make-local-variable
backup-inhibited t after-find-file
find-file-use-truenames default-directory
backup-enable-predicate rawfile error nowarn] 3)
  # (condition-case ... . ((t (byte-code "!Ã    @     
 A\"" ... 3))))
  # (unwind-protect ...)
  # bind (error number truename buf rawfile nowarn
filename)
  find-file-noselect("~/.simulatedservices.xml")
  # bind (codesys filename)
  find-file("~/.simulatedservices.xml" nil)
  # bind (command-debug-status)
  call-interactively(find-file)
  # (condition-case ... . error)
  # (catch top-level ...)

[----snap----]

Does anybody know a solution to this problem?
Thank ypu for any help!

cu

Stefan

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