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 10:40:26 +0200
> De : Dmitry Antipov <dmantipov@yandex.ru> > A : Gilles PION <gpion@lfdj.com>, > Cc : Paul Eggert <eggert@cs.ucla.edu>,
17598@debbugs.gnu.org > Date : 28/05/2014 09:48 > Objet : Re: bug#17598: Emacs pretest 24.3.91
- AIX - SIGSEV when customize >
> On 05/27/2014 07:38 PM, Paul Eggert wrote:
>
> > If it's still crashing, that suggests the problem is not in
> unexaix.c after all, unfortunately.
>
> Is it possible to run undumped (i.e. temacs) on AIX? If there is an
issue with
> unexec, it shouldn't affect undumped executable. Yes, it crashes too: $ gdb ./emacs-24.3.91/src/temacs /../ (gdb) run --no-site-file --no-init-file /../ Pure-hashed: 23622 strings, 3448 vectors, 37051 conses,
3241 bytecodes, 82 others # emacs windows appears here , doing M-x configure
then moving cursor, as usual Fatal error 6: Resource lost Program received signal SIGABRT, Aborted. [Switching to Thread 1] 0xd0508b20 in pthread_kill () from /usr/lib/libpthread.a(shr_xpg5.o)
So you're right, the issue is not unexec related
>
> > What happens if you run "./configure --enable-checking=all
&& make"?
>
> Latest backtrace (with SIGSEGV in malloc) is probably caused by heap
> corruption.
> Are there some built-in debugging facilities in AIX malloc implementation
> (something similar to glibc mcheck, for example)?
The previous run uses "temacs" from a new
build using those suggested "configure" parameters,
backtrace: (gdb) where #0 0xd0508b20 in pthread_kill () from /usr/lib/libpthread.a(shr_xpg5.o) #1 0xd0507f8c in _p_raise () from /usr/lib/libpthread.a(shr_xpg5.o) #2 0x1000c4f8 in terminate_due_to_signal () #3 0x1003483c in emacs_abort () #4 0x10020a04 in xfree () #5 0x1029c5ec in x_uncatch_errors () #6 0x10288fe8 in xfont_list_pattern () #7 0x1028a214 in xfont_list () #8 0x10271940 in font_list_entities () #9 0x1027480c in font_find_for_lface.constprop.12
() #10 0x10274f48 in font_load_for_lface () #11 0x1025a8d0 in realize_face () #12 0x1025cd80 in lookup_face.isra.22 () #13 0x10260b3c in face_at_buffer_position () #14 0x100c1230 in handle_face_prop () #15 0x100a89c0 in handle_stop () #16 0x100c1d64 in next_element_from_buffer () #17 0x100acf80 in get_next_display_element () #18 0x100bd448 in display_line () #19 0x100ccba0 in try_window.constprop.53 () #20 0x100e8f28 in redisplay_window () #21 0x100ebfbc in redisplay_window_0 () #22 0x10053f4c in internal_condition_case_1 () #23 0x1008a4b4 in redisplay_windows () #24 0x100d08e0 in redisplay_internal () #25 0x100497c8 in read_char () #26 0x1004ba00 in read_key_sequence.constprop.46 () #27 0x1004e354 in command_loop_1 () #28 0x10053d94 in internal_condition_case () #29 0x10036c00 in command_loop_2 () #30 0x10053c3c in internal_catch () #31 0x1003e414 in recursive_edit_1 () #32 0x1003e630 in Frecursive_edit () #33 0x10000ee4 in main ()
-- Gilles
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