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bug#17598: Emacs pretest 24.3.91 - AIX - SIGSEV when customize


From: Gilles PION
Subject: bug#17598: Emacs pretest 24.3.91 - AIX - SIGSEV when customize
Date: Wed, 28 May 2014 14:02:55 +0200

> These parameters assumes '-O2 -g3' or at least '-g', so your gdb
> backtrace should
> include file names, line numbers and (some) function parameters. But
> your backtrace
> looks like from stripped binary or the binary compiled without debug info.


You're right, I was using "CFLAGS=-O3",

Now rebuild with "CFLAGS="-O3 -g3" here's the backtrace:

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 1]
0xd013d94c in rightmost () from /usr/lib/libc.a(shr.o)
(gdb) where
#0  0xd013d94c in rightmost () from /usr/lib/libc.a(shr.o)
#1  0xd013eb28 in free_y () from /usr/lib/libc.a(shr.o)
#2  0xd0129a74 in free_common () from /usr/lib/libc.a(shr.o)
#3  0xd11ff294 in address@hidden () from /usr/lib/libX11.a(shr4.o)
#4  0x1028a04c in xfont_list_pattern (display=0x20837f98,
    pattern=0x2ff1da48 "-misc-fixed-*-*-*--*-*-*-*-*-*-iso8859-1",
    registry=542476962, script=1210196514) at xfont.c:142
#5  0x1028aef4 in xfont_list (f=0x1, spec=542396093) at xfont.c:516
#6  0x102725c0 in font_list_entities (f=0x20ce1e88, spec=552058821)
    at font.c:2758
#7  0x1027548c in font_find_for_lface.constprop.12 (f=0x20ce1e88,
    attrs=0x2ff1e058, spec=5) at font.c:129
#8  0x10275bc8 in font_load_for_lface (f=0x20ce1e88, attrs=0x2ff1e058,
    spec=552075205) at font.c:3302
#9  0x1025b508 in realize_face (cache=0x20ae2c18, attrs=0x2ff1e058,
    former_face_id=542425624) at xfaces.c:5568
#10 0x1025d9b8 in lookup_face.isra.22 (ISRA.742=0x20ce1ee0, attr=0x2ff1e058)
    at xfaces.c:4453
#11 0x10261774 in face_at_buffer_position (w=0x0, pos=1, endptr=0x2ff1e128,
    limit=542062760, mouse=560775400, base_face_id=0) at xfaces.c:6057
#12 0x100c1928 in handle_face_prop (it=0x2ff1f4f8) at xdisp.c:3873
#13 0x100a90b8 in handle_stop (it=0x2ff1f4f8) at xdisp.c:3377
#14 0x100c245c in next_element_from_buffer (it=0x2ff1f4f8) at xdisp.c:8175
#15 0x100ad668 in get_next_display_element (it=0x2ff1f4f8) at xdisp.c:6807
#16 0x100bdb30 in display_line (it=0x2ff1f4f8) at xdisp.c:19902
#17 0x100cd2a8 in try_window.constprop.53 (window=1) at xdisp.c:16719
#18 0x100e9650 in redisplay_window (window=550387341, just_this_one_p=false)
    at xdisp.c:16198
#19 0x100ec6e4 in redisplay_window_0 (window=1) at xdisp.c:14191
#20 0x10054464 in internal_condition_case_1 (
    address@hidden: 0x100ec6a0 <redisplay_window_0>, arg=550387341,
    handlers=-1431589715,
    address@hidden: 0x100838f0 <redisplay_window_error>) at eval.c:1378
#21 0x1008ab3c in redisplay_windows (window=-260271624) at xdisp.c:14171
#22 0x100d0fe8 in redisplay_internal () at xdisp.c:13770
#23 0x10049cd0 in read_char (commandflag=1, map=562883446,
    prev_event=542216242, used_mouse_menu=0x2ff225bc, end_time=0x0)
    at keyboard.c:2570
#24 0x1004bf08 in read_key_sequence.constprop.46 (keybuf=0x2ff22698,
    prompt=542216242, dont_downcase_last=false, can_return_switch_frame=true,
    fix_current_buffer=true, prevent_redisplay=false) at keyboard.c:9087
#25 0x1004e85c in command_loop_1 () at keyboard.c:1452
#26 0x100542ac in internal_condition_case (
    address@hidden: 0x1004e568 <command_loop_1>, handlers=-260271624,
    address@hidden: 0x1003c678 <cmd_error>) at eval.c:1354
#27 0x100370e8 in command_loop_2 (ignore=1) at keyboard.c:1177
#28 0x10054154 in internal_catch (tag=542282210,
    address@hidden: 0x10037098 <command_loop_2>, arg=542216242)
    at eval.c:1118
#29 0x1003e8ec in recursive_edit_1 () at keyboard.c:1156
#30 0x1003eb08 in Frecursive_edit () at keyboard.c:848
#31 0x10000ee4 in main (argc=542368394, argv=0x2ff22a8c) at emacs.c:1646
(gdb)
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