XEmacs 21.2-b33 crash on buffers menu

Hi, Thanks for Making and Maintaining XEmacs !!! In XEmacs 21.2 (beta33) "Melpomene" [Lucid] (i686-pc-linux) of Sat May 27 2000 on ark configured using `configure --prefix=/usr/local/src/xemacs-21 --verbose' Please describe exactly what actions triggered the bug and the precise symptoms of the bug: Systematic crash when doing C-M Right-Button to get buffers-popup-menu and RELEASING THE BUTTON OUTSIDE THE MENU. happens also without .emacs file xemacs -q ======================================= Lisp backtrace follows: # (condition-case ... . error) # (catch top-level ...) =========== Stacktrace ============== (gdb) where #0 0x403dac11 in __kill () from /lib/libc.so.6 #1 0x80b4574 in fatal_error_signal (sig=6) at emacs.c:293 #2 0x403dab18 in __restore () at ../sysdeps/unix/sysv/linux/i386/sigaction.c:125 #3 0x403dc053 in abort () at ../sysdeps/generic/abort.c:88 #4 0x80b44b5 in assert_failed (file=0x8200ec6 "lisp.h", line=589, expr=0x8200ea0 "RECORD_TYPEP (obj, lrecord_type_cons)") at emacs.c:2754 #5 0x80d8e54 in popup_selection_callback (widget=0x85d6dc8, ignored_id=65545, client_data=0xffffffff) at lisp.h:589 #6 0x80d523f in popup_menu_down_callback (widget=0x85d6dc8, id=65545, client_data=0x0) at menubar-x.c:664 #7 0x81d4add in pick_hook (w=0x85d6dc8, client_data=0x856fd18, call_data=0x8568b90) at lwlib-Xlw.c:113 #8 0x401dc104 in XtCallCallbackList () from /usr/X11R6/lib/libXt.so.6 #9 0x81d36fe in Select (w=0x85d6dc8, ev=0xbffff1a8, params=0x0, num_params=0x402182d4) at xlwmenu.c:3395 #10 0x4020a9dd in HandleActions () from /usr/X11R6/lib/libXt.so.6 #11 0x4020aec9 in HandleSimpleState () from /usr/X11R6/lib/libXt.so.6 #12 0x4020b411 in _XtTranslateEvent () from /usr/X11R6/lib/libXt.so.6 #13 0x401e72bf in XtDispatchEventToWidget () from /usr/X11R6/lib/libXt.so.6 #14 0x401e7cfd in _XtDefaultDispatcher () from /usr/X11R6/lib/libXt.so.6 #15 0x401e7f75 in XtDispatchEvent () from /usr/X11R6/lib/libXt.so.6 #16 0x401f2ca5 in XtAppProcessEvent () from /usr/X11R6/lib/libXt.so.6 #17 0x81a4d9e in emacs_Xt_next_event (emacs_event=0x853001c) at event-Xt.c:2592 #18 0x80e9d7d in event_stream_next_event (event=0x853001c) at event-stream.c:508 #19 0x80eb9e0 in next_event_internal (target_event=139657244, allow_queued=1) at event-stream.c:1967 #20 0x80ebfcf in Fnext_event (event=139657244, prompt=136880404) at event-stream.c:2181 #21 0x809a9af in Fcommand_loop_1 () at cmdloop.c:566 #22 0x809ac5e in command_loop_1 (dummy=136880404) at cmdloop.c:490 #23 0x80bf0c6 in condition_case_1 (handlers=136880500, bfun=0x809ac24 <command_loop_1>, barg=136880404, hfun=0x809acd0 <cmd_error>, harg=136880404) at eval.c:1644 #24 0x809adc7 in command_loop_2 (dummy=136880404) at cmdloop.c:252 #25 0x80bef8c in internal_catch (tag=136952164, func=0x809ad8c <command_loop_2>, arg=136880404, threw=0x0) at eval.c:1310 #26 0x809a2da in initial_command_loop (load_me=136880404) at cmdloop.c:301 #27 0x80b27f5 in xemacs_21_2_b33_i686_pc_linux (argc=2, argv=0xbffff784, envp=0xbffff790, restart=0) at emacs.c:1873 #28 0x80b478f in main (argc=2, argv=0xbffff784, envp=0xbffff790) at emacs.c:2292 #29 0x403d4313 in __libc_start_main (main=0x80b4690 <main>, argc=2, argv=0xbffff784, init=0x807e36c <_init>, fini=0x81e3390 <_fini>, rtld_fini=0x4000ac70 <_dl_fini>, stack_end=0xbffff77c) at ../sysdeps/generic/libc-start.c:90 (gdb) ============== M-x describe-installation ============================ uname -a: Linux ark 2.2.14 #6 Tue Feb 8 20:09:33 CET 2000 i686 unknown ./configure '--prefix=/usr/local/src/xemacs-21' '--verbose' XEmacs 21.2-b33 "Melpomene" configured for `i686-pc-linux'. Compilation / Installation: Source code location: /usr/local/src/xemacs-21/src/xemacs-21.2-b33 Installation prefix: /usr/local/src/xemacs-21 Operating system description file: `s/linux.h' Machine description file: `m/intel386.h' Compiler: gcc -g -O3 -Wall -Wno-switch -Wpointer-arith -Winline -Wmissing-prototypes -Wshadow Relocating allocator for buffers: no GNU version of malloc: yes - Using Doug Lea's new malloc from the GNU C Library. Window System: Compiling in support for the X window system: - X Windows headers location: /usr/X11/include - X Windows libraries location: /usr/X11/lib - Handling WM_COMMAND properly. Compiling in support for the Athena widget set: - Athena headers location: X11/Xaw - Athena library to link: Xaw Using Lucid menubars. Using Lucid scrollbars. Using Motif dialog boxes. Using Motif native widgets. TTY: Compiling in support for ncurses. Compiling in support for GPM (General Purpose Mouse). Images: Compiling in support for GIF images (builtin). Compiling in support for XPM images. Compiling in support for PNG images. Compiling in support for TIFF images. Sound: Compiling in support for sound (native). Compiling in support for ESD (Enlightened Sound Daemon). Databases: Compiling in support for Berkeley database. Compiling in support for GNU DBM. Compiling in support for LDAP. Internationalization: Mail: Compiling in support for "dot-locking" mail spool file locking method. Other Features: Compiling in support for dynamic shared object modules. Clash detection will use "${statedir}/${inststaticdir}/lock" for locking files. Compiling in support for extra debugging code. WARNING: --------------------------------------------------------- WARNING: Compiling in support for runtime error checking. WARNING: XEmacs will run noticeably more slowly as a result. WARNING: Error checking is on by default for XEmacs beta releases. WARNING: --------------------------------------------------------- =============================================== (other XEmacs instance) Recent keystrokes: button1up RET right right right right right right right right right right right right right right right right right right right right left RET DEL DEL DEL end . RET RET W o r k s SPC e BS BS BS BS BS BS BS BS t e s t e d SPC w i t h SPC button2 button2up left left left C-DEL left left left left left left left left left BS RET SPC SPC down RET m o r e SPC i n f o r m a t i o n : RET button1 button1up misc-user Recent messages (most recent first): Loading emacsbug...done Loading emacsbug... Loading efs-cu...done Loading efs-cu... Compose with ~ Type C-c C-x C-z to exit MIME mode, and type C-c C-x ? to get help. Loading vm-folder...done Loading vm-folder... Parsing /home/lcl/.mailrc... done Parsing /home/lcl/.mailrc...