Howdy: I unset the core monitor and here are the results of gdb: ---------------------------------------------------------------------- #0 0x42029331 in kill () from /lib/i686/libc.so.6 #1 0x080a01a6 in fatal_error_signal (sig=11) at emacs.c:264 #2 <signal handler called> #3 0x4031070e in XtInitializeWidgetClass () from /usr/X11R6/lib/libXt.so.6 #4 0x40310a6e in XtInitializeWidgetClass () from /usr/X11R6/lib/libXt.so.6 #5 0x40310c47 in XtInitializeWidgetClass () from /usr/X11R6/lib/libXt.so.6 #6 0x40311587 in _XtCreatePopupShell () from /usr/X11R6/lib/libXt.so.6 #7 0x4031161d in XtCreatePopupShell () from /usr/X11R6/lib/libXt.so.6 #8 0x08145b68 in x_create_widgets (f=0x84240b0, lisp_window_id=136864436, parent=136864436) at frame-x.c:1952 #9 0x08146cd4 in x_init_frame_1 (f=0x84240b0, props=136864436) at frame-x.c:2183 #10 0x080e6f1d in Fmake_frame (props=136864436, device=137079088) at frame.c:383 #11 0x080a37cf in funcall_recording_as (recorded_as=136960684, nargs=2, args=0xbfffe7a0) at eval.c:3197 #12 0x080a6f40 in Ffuncall (nargs=3, args=0xbfffe7a0) at eval.c:3238 #13 0x080856a9 in Fbyte_code (bytestr=136133660, vector=136133732, maxdepth=11) at bytecode.c:416 #14 0x080a4521 in funcall_lambda (fun=136133820, nargs=0, arg_vector=0xbfffead4) at eval.c:3607 #15 0x080a38b8 in funcall_recording_as (recorded_as=137342572, nargs=0, args=0xbfffead0) at eval.c:3214 #16 0x080a6f40 in Ffuncall (nargs=1, args=0xbfffead0) at eval.c:3238 #17 0x080856a9 in Fbyte_code (bytestr=136269164, vector=136269280, maxdepth=9) at bytecode.c:416 #18 0x080a4521 in funcall_lambda (fun=136269500, nargs=0, arg_vector=0xbfffef04) at eval.c:3607 #19 0x080a38b8 in funcall_recording_as (recorded_as=137484412, nargs=0, args=0xbfffef00) at eval.c:3214 #20 0x080a6f40 in Ffuncall (nargs=1, args=0xbfffef00) at eval.c:3238 #21 0x080856a9 in Fbyte_code (bytestr=136267036, vector=136267220, maxdepth=13) at bytecode.c:416 #22 0x080a4521 in funcall_lambda (fun=136267740, nargs=0, arg_vector=0xbfffeff0) at eval.c:3607 ---Type <return> to continue, or q <return> to quit--- #23 0x080a40b2 in apply_lambda (fun=136267740, numargs=0, unevalled_args=136864436) at eval.c:3511 #24 0x080a32e4 in Feval (form=137262104) at eval.c:3085 #25 0x080a1469 in condition_case_1 (handlers=136864548, bfun=0x80a2944 <Feval>, barg=137262104, hfun=0x808be40 <cmd_error>, harg=136864436) at eval.c:1653 #26 0x0808bfab in top_level_1 (dummy=136864436) at cmdloop.c:206 #27 0x080a133d in internal_catch (tag=136938808, func=0x808bf7c <top_level_1>, arg=136864436, threw=0x0) at eval.c:1328 #28 0x0808b81b in initial_command_loop (load_me=136864436) at cmdloop.c:285 #29 0x0809edbc in sort_args (argc=1, argv=0xbffff514) at emacs.c:1725 #30 0x0809f448 in main (argc=1, argv=0xbffff514, envp=0xbffff51c) at emacs.c:2142 #31 0x42017589 in __libc_start_main () from /lib/i686/libc.so.6 (gdb) -- Ronak Yogendra Shah Research Astronomer for the Galactic Ring Survey Boston University & the Institute for Astrophysical Research 725 Commonwealth Avenue, Boston, MA 02215 01.617.353.2299