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Startup failure on alpha.


From: Matt Hodges
Subject: Startup failure on alpha.
Date: Wed, 09 Jun 2004 10:08:52 +0100
User-agent: Gnus/5.1006 (Gnus v5.10.6) Emacs/21.3.50 (gnu/linux)

In GNU Emacs 21.3.50.2 (alphaev6-unknown-linux-gnu, X toolkit, Xaw3d scroll 
bars)
 of 2004-06-09 on tcdec3
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: nil
  locale-coding-system: nil
  default-enable-multibyte-characters: t

Emacs crashes on startup on alpha (emacs -q). My previous build on
this platform was done on May 12, and this was working without any
problems. Here is some debugging info:

Current directory is /scratch/matt/software/cvs/emacs/src/
GNU gdb 6.1-debian
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "alpha-linux"...Using host libthread_db library 
"/lib/libthread_db.so.1".

DISPLAY = localhost:10.0
TERM = dumb
Breakpoint 1 at 0x1200d3dbc: file emacs.c, line 434.
Breakpoint 2 at 0x1200a9f1c: file xterm.c, line 7838.
(gdb) run -q
Starting program: /scratch/matt/software/cvs/emacs/src/emacs -q

Program received signal SIGSEGV, Segmentation fault.
0x000000012009bf24 in face_at_buffer_position (w=0x12090ac00, pos=546359168, 
region_beg=-1, 
    region_end=-1, endptr=0x11fffc300, limit=547664584, mouse=1) at 
xfaces.c:4927
(gdb) bt
#0  0x000000012009bf24 in face_at_buffer_position (w=0x12090ac00, 
pos=546359168, 
    region_beg=-1, region_end=-1, endptr=0x11fffc300, limit=547664584, mouse=1)
    at xfaces.c:4927
#1  0x0000000120025e1c in handle_face_prop (it=0x11fffc490) at xdisp.c:2856
#2  0x00000001200256cc in handle_stop (it=0x11fffc490) at xdisp.c:2591
#3  0x000000012002ac04 in next_element_from_buffer (it=0x11fffc490) at 
xdisp.c:5485
#4  0x0000000120029d18 in get_next_display_element (it=0x11fffc490) at 
xdisp.c:4837
#5  0x000000012003ce98 in display_line (it=0x11fffc490) at xdisp.c:14488
#6  0x0000000120038908 in try_window (window=540252744, pos={charpos = 1, 
bytepos = 1})
    at xdisp.c:12216
#7  0x00000001200382cc in redisplay_window (window=4841319428, 
just_this_one_p=0)
    at xdisp.c:11858
#8  0x0000000120034494 in redisplay_window_0 (window=540252744) at xdisp.c:10588
#9  0x000000012015fe1c in internal_condition_case_1 (bfun=0x120034440 
<redisplay_window_0>, 
    arg=4841319428, handlers=4836529573, hfun=0x120034410 
<redisplay_window_error>)
    at eval.c:1374
#10 0x00000001200343f8 in redisplay_windows (window=540254003) at xdisp.c:10567
#11 0x0000000120033270 in redisplay_internal (preserve_echo_area=540252744) at 
xdisp.c:10152
#12 0x00000001200dcb28 in read_char (commandflag=1, nmaps=2, maps=0x11fffdc60, 
    prev_event=4836500449, used_mouse_menu=0x11fffddc0) at keyboard.c:2485
#13 0x00000001200e5a64 in read_key_sequence (keybuf=0x11fffdef0, bufsize=30, 
    prompt=4836500449, dont_downcase_last=0, can_return_switch_frame=1, 
fix_current_buffer=1)
    at keyboard.c:8781
#14 0x00000001200d8868 in command_loop_1 () at keyboard.c:1489
#15 0x000000012015fc58 in internal_condition_case (bfun=0x1200d8650 
<command_loop_1>, 
    handlers=4836610705, hfun=0x1200d7e50 <cmd_error>) at eval.c:1333
#16 0x00000001200d8354 in command_loop_2 () at keyboard.c:1271
#17 0x000000012015f508 in internal_catch (tag=540252744, func=0x1200d8310 
<command_loop_2>, 
    arg=4836500449) at eval.c:1094
#18 0x00000001200d8244 in command_loop () at keyboard.c:1242
#19 0x00000001200d7a14 in recursive_edit_1 () at keyboard.c:961
#20 0x00000001200d7c44 in Frecursive_edit () at keyboard.c:1022
#21 0x0000000120162878 in Ffuncall (nargs=540252744, args=0x11fffe560) at 
eval.c:2723
#22 0x000000012019e504 in Fbyte_code (bytestr=4840518673, vector=0, 
maxdepth=4831831392)
    at bytecode.c:689
#23 0x0000000120161750 in Feval (form=4831831832) at eval.c:2084
#24 0x000000012015f508 in internal_catch (tag=540252744, func=0x120161240 
<Feval>, 
    arg=4835223557) at eval.c:1094
#25 0x000000012019fb04 in Fbyte_code (bytestr=4836616433, vector=141, 
maxdepth=4831832416)
    at bytecode.c:852
#26 0x0000000120162d5c in funcall_lambda (fun=4835222868, nargs=0, 
arg_vector=0x11fffeb18)
    at eval.c:2913
#27 0x0000000120162650 in Ffuncall (nargs=540252744, args=0x11fffeb10) at 
eval.c:2783
#28 0x000000012019e504 in Fbyte_code (bytestr=4835231099, vector=0, 
maxdepth=4831832848)
    at bytecode.c:689
#29 0x0000000120162d5c in funcall_lambda (fun=4835231036, nargs=0, 
arg_vector=0x11fffeca8)
    at eval.c:2913
#30 0x0000000120162650 in Ffuncall (nargs=540252744, args=0x11fffeca0) at 
eval.c:2783
#31 0x000000012019e504 in Fbyte_code (bytestr=4840459249, vector=0, 
maxdepth=4831833248)
    at bytecode.c:689
#32 0x0000000120162d5c in funcall_lambda (fun=4835231820, nargs=1, 
arg_vector=0x11fffee88)
    at eval.c:2913
#33 0x0000000120162650 in Ffuncall (nargs=540252744, args=0x11fffee80) at 
eval.c:2783
#34 0x000000012019e504 in Fbyte_code (bytestr=4836722881, vector=1, 
maxdepth=4831833728)
    at bytecode.c:689
#35 0x0000000120162d5c in funcall_lambda (fun=4835208188, nargs=0, 
arg_vector=0x11ffff038)
    at eval.c:2913
#36 0x0000000120162650 in Ffuncall (nargs=540252744, args=0x11ffff030) at 
eval.c:2783
#37 0x000000012019e504 in Fbyte_code (bytestr=4836670321, vector=0, 
maxdepth=4831834160)
    at bytecode.c:689
#38 0x0000000120162d5c in funcall_lambda (fun=4835200212, nargs=0, 
arg_vector=0x11ffff170)
    at eval.c:2913
#39 0x0000000120162b3c in apply_lambda (fun=4835200212, args=4836500449, 
eval_flag=1)
    at eval.c:2835
#40 0x00000001201614b4 in Feval (form=4835200212) at eval.c:2136
#41 0x00000001200d83b0 in top_level_2 () at keyboard.c:1280
#42 0x000000012015fc58 in internal_condition_case (bfun=0x1200d8390 
<top_level_2>, 
    handlers=4836610705, hfun=0x1200d7e50 <cmd_error>) at eval.c:1333
#43 0x00000001200d841c in top_level_1 () at keyboard.c:1288
#44 0x000000012015f508 in internal_catch (tag=540252744, func=0x1200d83d0 
<top_level_1>, 
    arg=4836500449) at eval.c:1094
#45 0x00000001200d82c4 in command_loop () at keyboard.c:1249
#46 0x00000001200d7a14 in recursive_edit_1 () at keyboard.c:961
#47 0x00000001200d7c44 in Frecursive_edit () at keyboard.c:1022
#48 0x00000001200d51ec in main (argc=2, argv=0x11ffffb88) at emacs.c:1693
(gdb) frame 0
#0  0x000000012009bf24 in face_at_buffer_position (w=0x12090ac00, 
pos=546359168, 
    region_beg=-1, region_end=-1, endptr=0x11fffc300, limit=547664584, mouse=1)
    at xfaces.c:4927
(gdb) l
4922        return 1;
4923    
4924      switch (XTYPE (v1))
4925        {
4926        case Lisp_String:
4927          if (SBYTES (v1) != SBYTES (v2))
4928            return 0;
4929    
4930          return bcmp (SDATA (v1), SDATA (v2), SBYTES (v1)) == 0;
4931    
(gdb) whatis v1
type = const float
(gdb) print v1
$1 = 2.45597792
(gdb) whatis v2
type = const float
(gdb) print v2
$2 = 2.12848973
(gdb) xbacktrace 
"recursive-edit"
"byte-code"
"fancy-splash-screens"
"display-splash-screen"
"command-line-1"
"command-line"
"normal-top-level"




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