i checked out and built this morning (CEST) oh, btw, the mouse leaving menu kills emacs bug that i reported seems to be gone away, thanks! now, to the current prob, in was using gnus, reading a newsgroup, when i typed "=", to delete the article and tree windows and have a full screen window of the summary, but XEmacs disappeared Lisp backtrace follows: delete-other-windows() # (unwind-protect ...) # bind (frame split all-visible force setting) gnus-configure-windows(summary force) # bind (arg) gnus-summary-expand-window(nil) # bind (command-debug-status) call-interactively(gnus-summary-expand-window) # (condition-case ... . error) # (catch top-level ...) and this one is from gdb (sorry for the long, long lines): #0 0x420d61 in __kill () from /lib/libc.so.6 #1 0x80af8ca in fatal_error_signal (sig=6) at emacs.c:293 #2 0x420c98 in __restore () at ../sysdeps/unix/sysv/linux/i386/sigaction.c:127 #3 0x4221c0 in abort () at ../sysdeps/generic/abort.c:88 #4 0x80af809 in assert_failed () at emacs.c:2754 #5 0x8198c5f in mark_window_as_deleted (w=0x87c4760) at window.c:1885 #6 0x819910e in Fdelete_window (window={gu = {type = Lisp_Type_Record, val = 35590616}, s = {bits = 0, val = 71181232}, u = {bits = 0, val = 71181232}, ui = 142362464, i = 142362464, v = 0x87c4760, cv = 0x87c4760}, force={gu = {type = Lisp_Type_Record, val = 34116875}, s = { bits = 0, val = 68233750}, u = {bits = 0, val = 68233750}, ui = 136467500, i = 136467500, v = 0x822542c, cv = 0x822542c}) at window.c:2110 #7 0x8199b80 in window_loop (type=DELETE_OTHER_WINDOWS, obj={gu = {type = Lisp_Type_Record, val = 35716924}, s = {bits = 0, val = 71433848}, u = { bits = 0, val = 71433848}, ui = 142867696, i = 142867696, v = 0x883fcf0, cv = 0x883fcf0}, mini=0, frames={gu = {type = Lisp_Type_Record, val = 34833350}, s = {bits = 0, val = 69666700}, u = {bits = 0, val = 69666700}, ui = 139333400, i = 139333400, v = 0x84e0f18, cv = 0x84e0f18}, dedicated_too=0, console={gu = {type = Lisp_Type_Record, val = 34116875}, s = {bits = 0, val = 68233750}, u = {bits = 0, val = 68233750}, ui = 136467500, i = 136467500, v = 0x822542c, cv = 0x822542c}) at window.c:2739 #8 0x819a12d in Fdelete_other_windows (window={gu = {type = Lisp_Type_Record, val = 34116875}, s = {bits = 0, val = 68233750}, u = {bits = 0, val = 68233750}, ui = 136467500, i = 136467500, v = 0x822542c, cv = 0x822542c}) at window.c:3008 #9 0x80b48bd in Ffuncall (nargs=1, args=0xbfffeba8) at eval.c:3218 #10 0x808c99d in execute_optimized_program ( program=0x8badfa0 "\b\021\n®\002\013\022Ä\b!\211\0209«\b\b\r·A＠ª\002\bÆ\036\a\036\bÆ\026\t\016\b¬\006ÊË\b\"\210Ì\016\b!\211\026\a«\n\n¬\aÍ\016\a!ª=Î \036\017Ð\216\016\021«\017\016\t¬\006Ò \210ª\016Ó \210ª\tÔ \210Õ\016\026!\210*Õ\016\026!\210Æ\036\027Ø\016\bÙp!\"\210\016\027­\aÚÛ\016\027!!)*\207", stack_depth=5, constants_data=0x8b50b40) at bytecode.c:747 #11 0x808c65f in funcall_compiled_function (fun={gu = {type = Lisp_Type_Record, val = 36595208}, s = {bits = 0, val = 73190416}, u = {bits = 0, val = 73190416}, ui = 146380832, i = 146380832, v = 0x8b99820, cv = 0x8b99820}, nargs=2, args=0xbfffedfc) at bytecode.c:516 #12 0x80b4a90 in Ffuncall (nargs=3, args=0xbfffedf8) at eval.c:3253 #13 0x808c99d in execute_optimized_program (program=0x8d7e130 "\b«\006ÁÂÃ\"\207ÁÄÃ\"\207", stack_depth=3, constants_data=0x87b8450) at bytecode.c:747 #14 0x808c65f in funcall_compiled_function (fun={gu = {type = Lisp_Type_Record, val = 36882672}, s = {bits = 0, val = 73765344}, u = {bits = 0, val = 73765344}, ui = 147530688, i = 147530688, v = 0x8cb23c0, cv = 0x8cb23c0}, nargs=1, args=0xbffff048) at bytecode.c:516 #15 0x80b4a90 in Ffuncall (nargs=2, args=0xbffff044) at eval.c:3253 #16 0x80913b2 in Fcall_interactively (function={gu = {type = Lisp_Type_Record, val = 36815665}, s = {bits = 0, val = 73631330}, u = {bits = 0, val = 73631330}, ui = 147262660, i = 147262660, v = 0x8c70cc4, cv = 0x8c70cc4}, record_flag={gu = {type = Lisp_Type_Record, val = 34116875}, s = {bits = 0, val = 68233750}, u = {bits = 0, val = 68233750}, ui = 136467500, i = 136467500, v = 0x822542c, cv = 0x822542c}, keys={gu = { type = Lisp_Type_Record, val = 34116875}, s = {bits = 0, val = 68233750}, u = {bits = 0, val = 68233750}, ui = 136467500, i = 136467500, v = 0x822542c, cv = 0x822542c}) at callint.c:946 #17 0x80b36d9 in Fcommand_execute (cmd={gu = {type = Lisp_Type_Record, val = 36815665}, s = {bits = 0, val = 73631330}, u = {bits = 0, val = 73631330}, ui = 147262660, i = 147262660, v = 0x8c70cc4, cv = 0x8c70cc4}, record={gu = {type = Lisp_Type_Record, val = 34116875}, s = {bits = 0, val = 68233750}, u = {bits = 0, val = 68233750}, ui = 136467500, i = 136467500, v = 0x822542c, cv = 0x822542c}, keys={gu = { type = Lisp_Type_Record, val = 34116875}, s = {bits = 0, val = 68233750}, u = {bits = 0, val = 68233750}, ui = 136467500, i = 136467500, v = 0x822542c, cv = 0x822542c}) at eval.c:2656 #18 0x80debb6 in execute_command_event (command_builder=0x845cfd8, event={gu = {type = Lisp_Type_Record, val = 36644966}, s = {bits = 0, val = 73289932}, u = {bits = 0, val = 73289932}, ui = 146579864, i = 146579864, v = 0x8bca198, cv = 0x8bca198}) at event-stream.c:3836 #19 0x80df283 in Fdispatch_event (event={gu = {type = Lisp_Type_Record, val = 36644966}, s = {bits = 0, val = 73289932}, u = {bits = 0, val = 73289932}, ui = 146579864, i = 146579864, v = 0x8bca198, cv = 0x8bca198}) at event-stream.c:4203 #20 0x8095550 in Fcommand_loop_1 () at cmdloop.c:575 #21 0x8095804 in command_loop_1 (dummy={gu = {type = Lisp_Type_Record, val = 34116875}, s = {bits = 0, val = 68233750}, u = {bits = 0, val = 68233750}, ui = 136467500, i = 136467500, v = 0x822542c, cv = 0x822542c}) at cmdloop.c:490 #22 0x80b8ef6 in condition_case_1 (handlers={gu = {type = Lisp_Type_Record, val = 34116899}, s = {bits = 0, val = 68233798}, u = {bits = 0, val = 68233798}, ui = 136467596, i = 136467596, v = 0x822548c, cv = 0x822548c}, bfun=0x80957e0 <command_loop_1>, barg={gu = { type = Lisp_Type_Record, val = 34116875}, s = {bits = 0, val = 68233750}, u = {bits = 0, val = 68233750}, ui = 136467500, i = 136467500, v = 0x822542c, cv = 0x822542c}, hfun=0x8095894 <cmd_error>, harg={gu = {type = Lisp_Type_Record, val = 34116875}, s = {bits = 0, val = 68233750}, u = {bits = 0, val = 68233750}, ui = 136467500, i = 136467500, v = 0x822542c, cv = 0x822542c}) at eval.c:1644 #23 0x80959d3 in command_loop_2 (dummy={gu = {type = Lisp_Type_Record, val = 34116875}, s = {bits = 0, val = 68233750}, u = {bits = 0, val = 68233750}, ui = 136467500, i = 136467500, v = 0x822542c, cv = 0x822542c}) at cmdloop.c:252 #24 0x80b8d83 in internal_catch (tag={gu = {type = Lisp_Type_Record, val = 34134813}, s = {bits = 0, val = 68269626}, u = {bits = 0, val = 68269626}, ui = 136539252, i = 136539252, v = 0x8236c74, cv = 0x8236c74}, func=0x809598c <command_loop_2>, arg={gu = {type = Lisp_Type_Record, val = 34116875}, s = {bits = 0, val = 68233750}, u = {bits = 0, val = 68233750}, ui = 136467500, i = 136467500, v = 0x822542c, cv = 0x822542c}, threw=0x0) at eval.c:1310 #25 0x80951c2 in initial_command_loop (load_me={gu = {type = Lisp_Type_Record, val = 34116875}, s = {bits = 0, val = 68233750}, u = {bits = 0, val = 68233750}, ui = 136467500, i = 136467500, v = 0x822542c, cv = 0x822542c}) at cmdloop.c:301 #26 0x80adb67 in xemacs_21_2_b33_i586_pc_linux () at emacs.c:1873 #27 0x80afb47 in main () at emacs.c:2292 #28 0x41a9ee in __libc_start_main (main=0x80afa48 <main>, argc=3, argv=0xbffff984, init=0x807bd6c <_init>, fini=0x81b60bc <_fini>, rtld_fini=0x11a570 <_dl_fini>, stack_end=0xbffff97c) at ../sysdeps/generic/libc-start.c:90