crashes on startup. The initial window comes up, I can do some simple stuff, but after a timeout of a couple of seconds, it crashes. gdb says: (gdb) run -vanilla Starting program: /opt/XEmacs/bin/xemacs-21.0-b39 -vanilla Fatal error: assertion failed, file window.h, line 298, RECORD_TYPEP (_obj, lrecord_window) || MARKED_RECORD_P (_obj) Program received signal SIGABRT, Aborted. 0x402249e9 in __kill () (gdb) bt #0 0x402249e9 in __kill () #1 0x40260775 in gsignal () #2 0x8151d01 in Fredisplay_echo_area () at window.h:298 #3 0x80a9a0a in funcall_recording_as (recorded_as=-1473206540, nargs=0, args=0xbfffec04) at eval.c:3197 #4 0x80a9bd1 in Ffuncall (nargs=1, args=0xbfffec04) at eval.c:3238 #5 0x80852ee in Fbyte_code (bytestr=1747263036, vector=-2010833292, maxdepth=5) at bytecode.c:416 #6 0x80aa8c7 in funcall_lambda (fun=673521376, nargs=3, arg_vector=0xbfffedb8) at eval.c:3597 #7 0x80a9b95 in funcall_recording_as (recorded_as=-1472431284, nargs=3, args=0xbfffedb4) at eval.c:3214 #8 0x80a9bd1 in Ffuncall (nargs=4, args=0xbfffedb4) at eval.c:3238 #9 0x80852ee in Fbyte_code (bytestr=1747262888, vector=-2010833444, maxdepth=4) at bytecode.c:416 #10 0x80aa8c7 in funcall_lambda (fun=673521152, nargs=4, arg_vector=0xbfffef08) at eval.c:3597 #11 0x80a9b95 in funcall_recording_as (recorded_as=-1473209236, nargs=4, args=0xbfffef04) at eval.c:3214 #12 0x80a9bd1 in Ffuncall (nargs=5, args=0xbfffef04) at eval.c:3238 #13 0x80852ee in Fbyte_code (bytestr=1747263268, vector=-2010833088, maxdepth=5) at bytecode.c:416 #14 0x80aa8c7 in funcall_lambda (fun=673521504, nargs=2, arg_vector=0xbffff03c) at eval.c:3597 #15 0x80a9b95 in funcall_recording_as (recorded_as=-1473209188, nargs=2, args=0xbffff038) at eval.c:3214 #16 0x80a9bd1 in Ffuncall (nargs=3, args=0xbffff038) at eval.c:3238 #17 0x80852ee in Fbyte_code (bytestr=1747547432, vector=-2010548932, maxdepth=3) at bytecode.c:416 #18 0x80aa8c7 in funcall_lambda (fun=673805652, nargs=1, arg_vector=0xbffff9f8) at eval.c:3597 #19 0x80a9b95 in funcall_recording_as (recorded_as=-1472287732, nargs=1, args=0xbffff9f4) at eval.c:3214 #20 0x80a9bd1 in Ffuncall (nargs=2, args=0xbffff9f4) at eval.c:3238 #21 0x80852ee in Fbyte_code (bytestr=1747547784, vector=-2010548032, maxdepth=5) at bytecode.c:416 #22 0x80aa8c7 in funcall_lambda (fun=673806900, nargs=1, arg_vector=0xbffffb0c) at eval.c:3597 #23 0x80a9b95 in funcall_recording_as (recorded_as=-1472287684, nargs=1, args=0xbffffb08) at eval.c:3214 #24 0x80a9bd1 in Ffuncall (nargs=2, args=0xbffffb08) at eval.c:3238 #25 0x80aade3 in call1 (fn=-1472287684, arg0=674532260) at eval.c:3912 #26 0x80da040 in execute_internal_event (event=674532260) at event-stream.c:2930 #27 0x80ddd22 in Fdispatch_event (event=674532260) at event-stream.c:4667 #28 0x808c790 in Fcommand_loop_1 () at cmdloop.c:579 #29 0x808c49b in command_loop_1 (dummy=-1473314812) at cmdloop.c:494 #30 0x80a7614 in condition_case_1 (handlers=-1473314716, bfun=0x808c430 <command_loop_1>, barg=-1473314812, hfun=0x808b8d8 <cmd_error>, harg=-1473314812) at eval.c:1653 #31 0x808b9b0 in command_loop_3 () at cmdloop.c:256 #32 0x808b9cc in command_loop_2 (dummy=-1473314812) at cmdloop.c:267 #33 0x80a72a4 in internal_catch (tag=-1473237140, func=0x808b9c4 <command_loop_2>, arg=-1473314812, threw=0x0) at eval.c:1328 #34 0x808bd6a in initial_command_loop (load_me=-1473314812) at cmdloop.c:305 #35 0x80a3f55 in xemacs_21_0_b39_i686_pc_linux (argc=2, argv=0xbffffd3c, envp=0xbffffd48, restart=0) at emacs.c:1676 #36 0x80a45f8 in main (argc=2, argv=0xbffffd3c, envp=0xbffffd48) at emacs.c:2093 #37 0x8074bfb in _start () Installation file is: uname -a: Linux pc689 2.0.30 #1 Tue Apr 22 10:49:45 EDT 1997 i686 unknown ./configure '--prefix=/opt/XEmacs' XEmacs 21.0-b39 "Russian White" configured for `i686-pc-linux'. Where should the build process find the source code? /app1/src/xemacs-21.0-b39 What installation prefix should install use? /opt/XEmacs What operating system and machine description files should XEmacs use? `s/linux.h' and `m/intel386.h' What compiler should XEmacs be built with? gcc -g -O2 -Wall -Wno-switch Should XEmacs use the GNU version of malloc? yes Should XEmacs use the relocating allocator for buffers? yes What window system should XEmacs use? x11 Where do we find X Windows header files? /usr/X11R6/include Where do we find X Windows libraries? /usr/X11R6/lib Compiling in support for XAUTH. Compiling in support for XPM images. Compiling in support for X-Face message headers. Compiling in support for JPEG image conversion. Compiling in support for TIFF image conversion. Compiling in native sound support. Compiling in support for Berkeley DB. Compiling in support for GNU DBM. Compiling in support for ncurses. Compiling in support for GPM (General Purpose Mouse). Compiling in support for OffiX. Compiling in support for Drag'n'Drop ( OffiX ). Compiling in support for proper session-management. Using Lucid menubars. Using Lucid scrollbars. Using Athena dialog boxes. Compiling in DLL support. movemail will use "dot-locking" for locking mail spool files. Compiling in extra code for debugging. Compiling in code for checking XEmacs memory usage. 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: ---------------------------------------------------------