the cpu load gets very high (well, on my p120), i just have to kill
xemacs. on my console, from which startx is run, i can find then:

,----
| current stat is :3
| 
| Lisp backtrace follows:
| 
|   mm-decode-coding-region(2049 3686 koi8-r)
|   # bind (coding-system)
|   # (unwind-protect ...)
|   # bind (type encoding charset)
|   mm-decode-body("koi8-r" quoted-printable "text/plain")
|   # (unwind-protect ...)
|   # (unwind-protect ...)
|   # bind (inhibit-point-motion-hooks case-fold-search buffer-read-only
|   # mail-parse-charset mail-parse-ignored-charsets ct cte ctl charset format
|   # prompt)
|   article-decode-charset()
|   run-hooks(article-decode-charset)
|   # bind (do-update-line sparse-header group article)
|   gnus-request-article-this-buffer(99 "nnml:bugtraq-l-2001-02")
|   # bind (buffer-read-only)
|   # (unwind-protect ...)
|   # bind (result group gnus-tmp-internal-hook summary-buffer gnus-article)
|   # (unwind-protect ...)
|   # bind (header all-headers article)
|   gnus-article-prepare(99 nil)
|   # bind (all-header article)
|   gnus-summary-display-article(99 nil)
|   # (unwind-protect ...)
|   # bind (article all-headers gnus-summary-display-article-function article
|   # pseudo force all-headers)
|   gnus-summary-select-article(nil nil pseudo)
|   # bind (lines)
|   gnus-summary-scroll-up(1)
|   # bind (command-debug-status)
|   call-interactively(gnus-summary-scroll-up)
|   # (condition-case ... . error)
|   # (catch top-level ...)
| 
| current stat is :1
| current stat is :2
| xinit:  connection to X server lost.
`----

the message has:
 Mime-Version: 1.0
 Content-Type: text/plain; charset=koi8-r
 Content-Transfer-Encoding: quoted-printable
but it looks like it should have charset=us-ascii.

waiting for fix,
 m.m.
-- 
 use gnus not guns!