Re: crash when using W3

Hrvoje Niksic <hniksic(a)iskon.hr&gt; writes: It is even more weird than that... Look at the following session and stand in awe... It some how coming back to a change it did earlier! However the buffer that it pertains to is no longer life and kaboom...! Note how frame #9 in the crash trace equals the situation at the first time it hit the break point! Starting program: /scratch/vroonhof/xemacs/debug/src/xemacs (gdb) break buffer_insert_string_1 Breakpoint 2 at 0x8123187: file /scratch/vroonhof/xemacs/src/insdel.c, line 2423. (gdb) cond 2 (length == 1024) (gdb) c Continuing. Breakpoint 2, buffer_insert_string_1 (buf=0x855e3f0, pos=-1, nonreloc=0xbfffed00 "HTTP/1.1 200 OK\r\nDate: Fri, 17 Mar 2000 23:37:25 GMT\r\nServer: Apache/1.3.3 (Unix) mod_perl/1.16\r\nLast-Modified: Fri, 17 Dec 1999 14:10:50 GMT\r\nETag: \"1f26-915-385a446a\"\r\nAccept-Ranges: bytes\r\nContent-"..., reloc=136717252, offset=0, length=1024, flags=0) at /scratch/vroonhof/xemacs/src/insdel.c:2423 (gdb) c Continuing. Breakpoint 2, buffer_insert_string_1 (buf=0x855e3f0, pos=-1, nonreloc=0xbfffe1d0 "5\">Gruppe 5</a>) office at <TT>+41-1-63 25 456/ 25 154</TT> </LI>\n\n<LI>or fax at <TT>+41-1-63 21085</TT>. </LI>\n\n<LI>In last resort send snail mail to: \n\t<p class=\"adres\">Jan Vroonhof <BR>\n\t <A HRE"..., reloc=136717252, offset=0, length=1024, flags=0) at /scratch/vroonhof/xemacs/src/insdel.c:2423 (gdb) c Continuing. Breakpoint 2, buffer_insert_string_1 (buf=0x885a3d0, pos=-1, nonreloc=0xbfffcfd8 "HTTP/1.1 200 OK\r\nDate: Fri, 17 Mar 2000 23:37:42 GMT\r\nServer: Apache/1.3.6 (Unix) PHP/3.0.15\r\nContent-Location: Ultramarine.css\r\nVary: negotiate\r\nTCN: choice\r\nConnection: close\r\nContent-Type: text/css"..., reloc=136717252, offset=0, length=1024, flags=0) at /scratch/vroonhof/xemacs/src/insdel.c:2423 (gdb) c Continuing. Breakpoint 2, buffer_insert_string_1 (buf=0x885a3d0, pos=-1, nonreloc=0xbfffcfd8 ", H1, H2, H3, H4, H5, H6, IFRAME, IMG, KBD,\t\t\nLI, OBJECT, OL, P, Q, SAMP, SMALL, SPAN, STRONG, SUB, SUP, UL, VAR, \t\t\nAPPLET, BIG, CENTER, DIR, FONT, HR, MENU, PRE,\t\t\nABBR, ACRONYM, BDO, BUTTON, FIELDS"..., reloc=136717252, offset=0, length=1024, flags=0) at /scratch/vroonhof/xemacs/src/insdel.c:2423 (gdb) c Continuing. Breakpoint 2, buffer_insert_string_1 (buf=0x885a3d0, pos=-1, nonreloc=0xbfffcfd8 "060;\n\t}\t\n\t\t\nVAR, CITE, DFN, .note\t{\t\n\tfont-style:\titalic;\n\t}\t\n\t\t\nADDRESS\t{\t\n\tfont-style:\tnormal;\n\tletter-spacing:\t.1em;\n\t}\t\n\t\t\nACRONYM\t{\t\n\tfont-variant:\tsmall-caps;\n\tletter-spacing:\t0.1em;\n\t}\t\n\t\t\nH1, "..., reloc=136717252, offset=0, length=1024, flags=0) at /scratch/vroonhof/xemacs/src/insdel.c:2423 (gdb) cont Continuing. Fatal error: assertion failed, file /scratch/vroonhof/xemacs/src/insdel.c, line 1116, BUFFER_LIVE_P (buf) Program received signal SIGABRT, Aborted. 0x403174e1 in __kill () from /lib/libc.so.6 (gdb) where #3 0x80aac73 in assert_failed ( file=0x81ec1e0 "/scratch/vroonhof/xemacs/src/insdel.c", line=1116, expr=0x81ebab6 "BUFFER_LIVE_P (buf)") at /scratch/vroonhof/xemacs/src/emacs.c:2753 #4 0x8121227 in bufpos_to_bytind (buf=0x855e3f0, x=0) at /scratch/vroonhof/xemacs/src/insdel.c:1116 #5 0x80e27af in map_extents (from=0, to=0, fn=0x80e6df8 <report_extent_modification_mapper>, arg=0xbfffebdc, obj=139846640, after=0x0, flags=15360) at /scratch/vroonhof/xemacs/src/extents.c:2283 #6 0x80e7046 in report_extent_modification (buffer=139846640, start=0, end=0, afterp=1) at /scratch/vroonhof/xemacs/src/extents.c:4700 #7 0x8122e65 in signal_after_change (buf=0x855e3f0, start=0, orig_end=1, new_end=0) at /scratch/vroonhof/xemacs/src/insdel.c:2291 #8 0x812391d in buffer_insert_string_1 (buf=0x855e3f0, pos=1, nonreloc=0xbfffed00 "HTTP/1.1 200 OK\r\nDate: Fri, 17 Mar 2000 23:37:25 GMT\r\nServer: Apache/1.3.3 (Unix) mod_perl/1.16\r\nLast-Modified: Fri, 17 Dec 1999 14:10:50 GMT\r\nETag: \"1f26-915-385a446a\"\r\nAccept-Ranges: bytes\r\nContent-"..., reloc=136717252, offset=0, length=1024, flags=0) at /scratch/vroonhof/xemacs/src/insdel.c:2564 #9 0x812394f in buffer_insert_raw_string_1 (buf=0x855e3f0, pos=-1, nonreloc=0xbfffed00 "HTTP/1.1 200 OK\r\nDate: Fri, 17 Mar 2000 23:37:25 GMT\r\nServer: Apache/1.3.3 (Unix) mod_perl/1.16\r\nLast-Modified: Fri, 17 Dec 1999 14:10:50 GMT\r\nETag: \"1f26-915-385a446a\"\r\nAccept-Ranges: bytes\r\nContent-"..., length=1024, flags=0) at /scratch/vroonhof/xemacs/src/insdel.c:2584 #10 0x813cf97 in read_process_output (proc=142837440) at /scratch/vroonhof/xemacs/src/process.c:921 #11 0x80dd15d in execute_internal_event (event=139837392) at /scratch/vroonhof/xemacs/src/event-stream.c:2953 #12 0x80dece6 in Fdispatch_event (event=139837392) at /scratch/vroonhof/xemacs/src/event-stream.c:4207 #13 0x8095bbb in Fcommand_loop_1 () at /scratch/vroonhof/xemacs/src/cmdloop.c:575 #14 0x80959fd in command_loop_1 (dummy=136717252) at /scratch/vroonhof/xemacs/src/cmdloop.c:490 #15 0x80ad88a in condition_case_1 (handlers=136717348, bfun=0x80959c4 <command_loop_1>, barg=136717252, hfun=0x8095194 <cmd_error>, harg=136717252) at /scratch/vroonhof/xemacs/src/eval.c:1644 #16 0x809526c in command_loop_3 () at /scratch/vroonhof/xemacs/src/cmdloop.c:252 #17 0x8095288 in command_loop_2 (dummy=136717252) at /scratch/vroonhof/xemacs/src/cmdloop.c:263 #18 0x80ad4a9 in internal_catch (tag=136789060, func=0x8095280 <command_loop_2>, arg=136717252, threw=0x0) at /scratch/vroonhof/xemacs/src/eval.c:1310 #19 0x80954fd in initial_command_loop (load_me=136717252) at /scratch/vroonhof/xemacs/src/cmdloop.c:301 #20 0x80a9e62 in xemacs_21_2_b31_i686_pc_linux (argc=1, argv=0xbffff464, envp=0xbffff46c, restart=0) at /scratch/vroonhof/xemacs/src/emacs.c:1872 #21 0x80aa5b8 in voodoo_free_hook (mem=0x1) at /scratch/vroonhof/xemacs/src/emacs.c:2291 #22 0x403111eb in __libc_start_main (main=0x80aa4c4 <main>, argc=1, argv=0xbffff464, init=0x807dc24 <_init>, fini=0x81a8220 <_fini>, rtld_fini=0x4000a610 <_dl_fini>, stack_end=0xbffff45c) at ../sysdeps/generic/libc-start.c:90 This is actually repeatable.... Here another trace #8 0x812391d in buffer_insert_string_1 (buf=0x857e9c0, pos=1, nonreloc=0xbfffed00 "HTTP/1.1 200 OK\r\nDate: Fri, 17 Mar 2000 23:40:19 GMT\r\nServer: Apache/1.3.3 (Unix) mod_perl/1.16\r\nLast-Modified: Fri, 17 Dec 1999 14:10:50 GMT\r\nETag: \"1f26-915-385a446a\"\r\nAccept-Ranges: bytes\r\nContent-"..., reloc=136717252, offset=0, length=1024, flags=0) at /scratch/vroonhof/xemacs/src/insdel.c:2564 #9 0x812394f in buffer_insert_raw_string_1 (buf=0x857e9c0, pos=-1, nonreloc=0xbfffed00 "HTTP/1.1 200 OK\r\nDate: Fri, 17 Mar 2000 23:40:19 GMT\r\nServer: Apache/1.3.3 (Unix) mod_perl/1.16\r\nLast-Modified: Fri, 17 Dec 1999 14:10:50 GMT\r\nETag: \"1f26-915-385a446a\"\r\nAccept-Ranges: bytes\r\nContent-"..., length=1024, flags=0) at /scratch/vroonhof/xemacs/src/insdel.c:2584 #10 0x813cf97 in read_process_output (proc=142842688) at /scratch/vroonhof/xemacs/src/process.c:921 (gdb) frame 10 #10 0x813cf97 in read_process_output (proc=142842688) at /scratch/vroonhof/xemacs/src/process.c:921 (gdb) pobj proc $5 = (Lisp_Process *) 0x8839b40 $6 = {header = {lheader = {type = 16, mark = 0, c_readonly = 0, lisp_readonly = 0}, next = 0x8838978, uid = 17345, free = 0}, name = 142070052, command = 136717252, filter = 136717252, sentinel = 141043484, buffer = 139979200, mark = 136980820, pid = 142824148, status_symbol = 136803156, exit_code = 256, core_dumped = 0 '\000', filter_does_read = 0 '\000', kill_without_query = 1 '\001', selected = 0 '\000', tick = 1, update_tick = 1, pipe_instream = 136717252, pipe_outstream = 136717252, process_data = 0x881de50} (gdb) print $6.buffer $7 = 139979200 (gdb) pobj $7 $8 = (struct buffer *) 0x857e9c0 $9 = {header = {lheader = {type = 24, mark = 0, c_readonly = 0, lisp_readonly = 0}, next = 0x857e520, uid = 17291, free = 0}, own_text = {beg = 0x0, gpt = 0, z = 0, bufz = 0, gap_size = 0, end_gap_size = 0, modiff = 0, save_modiff = 0, line_number_cache = 136717252, changes = 0x0}, text = 0x0, pt = 0, bufpt = 0, begv = 0, bufbegv = 0, zv = 0, bufzv = 0, face_change = 0, changes = 0x0, markers = 0x0, extent_info = 136717252, base_buffer = 0x0, indirect_children = 136717252, local_var_flags = 0, modtime = 0, auto_save_modified = 0, auto_save_failure_time = 0, last_window_start = 0, name = 136717252, filename = 136717252, directory = 136717252, backed_up = 136717252, saved_size = 136717252, auto_save_file_name = 136717252, read_only = 136717252, mark = 136717252, local_var_alist = 136717252, major_mode = 136717252, mode_name = 136717252, modeline_format = 136717252, keymap = 136717252, abbrev_table = 136717252, syntax_table = 136717252, mirror_syntax_table = 136717252, case_fold_search = 136717252, tab_width = 136717252, fill_column = 136717252, left_margin = 136717252, auto_fill_function = 136717252, downcase_table = 136717252, upcase_table = 136717252, case_canon_table = 136717252, case_eqv_table = 136717252, truncate_lines = 136717252, ctl_arrow = 136717252, selective_display = 136717252, selective_display_ellipses = 136717252, overwrite_mode = 136717252, abbrev_mode = 136717252, undo_list = 136717252, dedicated_frame = 136717252, file_format = 136717252, point_marker = 136717252, point_before_scroll = 136717252, file_truename = 136717252, invisibility_spec = 136717252, generated_modeline_string = 136717252, modeline_extent_table = 136717252} (gdb) print $9.name $10 = 136717252 (gdb) pobj $10 $11 = (Lisp_Symbol *) 0x82623c4 $12 = {lheader = {type = 4, mark = 0, c_readonly = 0, lisp_readonly = 0}, next = 0x0, name = 0x8261bcc, value = 136717252, function = 136329004, plist = 136717252} Symbol name: nil (gdb) pobj $12.name $13 = (Lisp_String *) 0x8261bcc $14 = {lheader = {type = 8, mark = 1, c_readonly = 1, lisp_readonly = 1}, size = 3, data = 0x8203740 "nil", plist = 136717252} (gdb)