[CRASH] "saanen" b40, mule, linux 2.0.33

I was just hitting C-c C-c to send that last message (about gif problems) and - - BOOM! Lisp backtrace follows: vm-delete-frame(#<x-frame "emacs" 0x49ef>) apply(vm-delete-frame #<x-frame "emacs" 0x49ef>) # (condition-case ... . ((error))) # bind (args function) vm-error-free-call(vm-delete-frame #<x-frame "emacs" 0x49ef>) # bind (wf b w) # (unwind-protect ...) vm-delete-buffer-frame() run-hooks(vm-delete-buffer-frame) # bind (wf w) # (unwind-protect ...) # bind (vm-sbe-buffer do-not-raise configs commands display buffer) vm-display(#<buffer "sent mail to xemacs-beta(a)xemacs.org&quot;&gt; nil (vm-mail-send-and-exit) (vm-mail-send-and-exit reading-message startup)) # bind (b arg) vm-mail-send-and-exit(nil) # bind (command-debug-status) call-interactively(vm-mail-send-and-exit) # (condition-case ... . error) # (catch top-level ...) [1] Segmentation fault xemacs (core dumped) GDB is free software and you are welcome to distribute copies of it under certain conditions; type "show copying" to see the conditions. There is absolutely no warranty for GDB; type "show warranty" for details. GDB 4.16 (i486-slackware-linux), Copyright 1996 Free Software Foundation, Inc... Core was generated by `xemacs'. Program terminated with signal 11, Segmentation fault. Reading symbols from /usr/X11R6/lib/libXm.so.2...done. Reading symbols from /usr/X11R6/lib/libXaw3d.so.6...done. Reading symbols from /usr/local/lib/libpng.so.0...done. Reading symbols from /usr/local/lib/libjpeg.so.6...done. Reading symbols from /usr/X11R6/lib/libXpm.so.4...done. Reading symbols from /usr/X11R6/lib/libXmu.so.6...done. Reading symbols from /usr/X11R6/lib/libXt.so.6...done. Reading symbols from /usr/X11R6/lib/libXext.so.6...done. Reading symbols from /usr/X11R6/lib/libX11.so.6...done. Reading symbols from /usr/X11R6/lib/libSM.so.6...done. Reading symbols from /usr/X11R6/lib/libICE.so.6...done. Reading symbols from /lib/libdl.so.1...done. Reading symbols from /usr/lib/libdb.so.1...done. Reading symbols from /usr/lib/libgpm.so.1...done. Reading symbols from /lib/libncurses.so.3.0...done. Reading symbols from /lib/libm.so.5...done. Reading symbols from /usr/lib/libc.so.5...done. Reading symbols from /lib/ld-linux.so.1...done. #0 0x40416369 in __kill () (gdb)