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EMACS_21_1_RC: crash (alloc.c, xfaces.c, ...)

From: Reiner Steib
Subject: EMACS_21_1_RC: crash (alloc.c, xfaces.c, ...)
Date: Wed, 07 Apr 2004 16:06:06 +0200
User-agent: Gnus/5.110002 (No Gnus v0.2) Emacs/21.3 (gnu/linux)

[ This is a CVS checkout with "-r EMACS_21_1_RC" on 2004-04-07 (today) ]
In GNU Emacs 21.3.3 (i686-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2004-04-07 on lumberjack
configured using `configure  --prefix=/import/xtra/emacs/RC'
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: POSIX
  value of $LC_CTYPE: en_US.ISO_8859-1
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: POSIX
  locale-coding-system: iso-latin-1
  default-enable-multibyte-characters: t

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

I ran Emacs under gdb from the ./src directory as described in
etc/DEBUG.  After some hours (mostly using Gnus), Emacs crashed with

Although I have read the section "Debugging problems which happen in
GC" in etc/DEBUG, I don't know what information I should provide now.
Can anyone instruct me?  I've attached the output of "backtrace" below
("xbacktrace" gave no output).  I have the gdb session still running
under screen.

I though there might be interest in debugging this crash since 21.4 is
supposed to be released from EMACS_21_1_RC branch.

This is already the second crash I got with this Emacs today (the
other wasn't running under gdb).  Until yesterday, I used the version
checked out on 2004-02-23, which was quite stable (exception: the
crash I reported one week ago:
<URL:http://article.gmane.org/gmane.emacs.bugs/7434>.  According to
src/ChangeLog, there were several changes that _might_ be related,

Bye, Reiner.

--8<---------------cut here---------------start------------->8---
#0  0x40387b40 in _int_malloc () from /lib/libc.so.6
#1  0x40386898 in malloc () from /lib/libc.so.6
#2  0x0811f4c8 in emacs_blocked_malloc (size=57) at alloc.c:737
#3  0x40386835 in malloc () from /lib/libc.so.6
#4  0x0811f05c in xmalloc (size=1078212128) at alloc.c:520
#5  0x0811f1ed in xstrdup (s=0x40442b90 "\244*\023") at alloc.c:571
#6  0x0809ecee in x_face_list_fonts (f=0x8413960, 
    pattern=0xbfffd2a0 "-misc-fixed-*-iso8859-1", fonts=0xa359258, nfonts=100, 
    try_alternatives_p=1) at xfaces.c:2406
#7  0x0809ef26 in sorted_font_list (f=0x8413960, 
    pattern=0xbfffd2a0 "-misc-fixed-*-iso8859-1", 
    cmpfn=0x809ef80 <cmp_font_names>, fonts=0xbfffd3b8) at xfaces.c:2484
#8  0x0809f067 in font_list_1 (f=0x8413960, pattern=111, family=0, 
    registry=-1073753440, fonts=0xbfffd3b8) at xfaces.c:2581
#9  0x0809f1e2 in font_list (f=0x8413960, pattern=405297516, family=960022548, 
    registry=943928236, fonts=0xbfffd3b8) at xfaces.c:2626
#10 0x080a4f64 in try_alternative_families (f=0x8413960, family=960022548, 
    registry=943928236, fonts=0xbfffd3b8) at xfaces.c:5888
#11 0x080a50ed in try_font_list (f=0x8413960, attrs=0x6f, family=943928220, 
    registry=943928236, fonts=0xbfffd3b8) at xfaces.c:5941
#12 0x080a51ca in choose_face_font (f=0x8413960, attrs=0xbfffd3b8, 
    fontset=105, c=943928220) at xfaces.c:6017
#13 0x0809dd0f in load_face_font (f=0x8413960, face=0x9f9c0d0, c=2176)
    at xfaces.c:1256
#14 0x080a5cc6 in realize_face (cache=0x8418258, attrs=0x9d162f8, c=2176, 
    base_face=0x9d162b0, former_face_id=0) at xfaces.c:6259
#15 0x080a7a9e in lookup_face (f=0x8413960, attr=0x9d162f8, c=2176, 
    base_face=0x9d162b0) at xfaces.c:5266
#16 0x080d5712 in face_for_char (f=0x8413960, face=0x9d162b0, c=2176)
    at fontset.c:485
#17 0x08061bca in get_next_display_element (it=0x9d162b0) at xdisp.c:4316
#18 0x08070125 in display_line (it=0xbfffd540) at xdisp.c:12900
#19 0x0806c719 in try_window (window=1226351168, pos=
      {charpos = -1073752768, bytepos = -1073753824}) at xdisp.c:10640
#20 0x0806c038 in redisplay_window (window=1226351168, just_this_one_p=0)
    at xdisp.c:10308
#21 0x08068e0b in redisplay_windows (window=169870616) at xdisp.c:9257
#22 0x080680e3 in redisplay_internal (preserve_echo_area=1) at xdisp.c:8860
#23 0x08068a26 in redisplay_preserve_echo_area (from_where=2) at xdisp.c:9077
#24 0x08056fda in sit_for (sec=0, usec=100000, reading=0, display=1, 
    initial_display=1) at dispnew.c:6230
#25 0x080da90a in command_loop_1 () at keyboard.c:1660
#26 0x08133e5a in internal_condition_case (bfun=0x80da2e0 <command_loop_1>, 
    handlers=405393860, hfun=0x80d9ee0 <cmd_error>) at eval.c:1267
#27 0x080da18b in command_loop_2 () at keyboard.c:1245
#28 0x081339c2 in internal_catch (tag=0, func=0x80da170 <command_loop_2>, 
    arg=405297516) at eval.c:1030
#29 0x080da142 in command_loop () at keyboard.c:1224
#30 0x080d9c46 in recursive_edit_1 () at keyboard.c:950
#31 0x080d9d98 in Frecursive_edit () at keyboard.c:1006
#32 0x080d8650 in main (argc=5, argv=0xbfffe554, envp=0xbfffe56c)
    at emacs.c:1553
#33 0x403258ae in __libc_start_main () from /lib/libc.so.6
--8<---------------cut here---------------end--------------->8---

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