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bug#58956: mark_object, mark_objects(?) crash
From: |
Vincent Lefevre |
Subject: |
bug#58956: mark_object, mark_objects(?) crash |
Date: |
Thu, 3 Nov 2022 04:00:46 +0100 |
User-agent: |
Mutt/2.2.7+51 (a318ca5a) vl-149028 (2022-10-21) |
On 2022-11-02 14:24:51 +0200, Eli Zaretskii wrote:
> Signal 1 is SIGHUP, AFAIU. Why should Emacs receive SIGHUP in the
> middle of GC, I have no idea. Maybe ask the user what was he doing at
> that time. E.g., could that be a remote Emacs session?
No, it is on my local machine.
On 2022-11-02 14:43:41 -0700, Sean Whitton wrote:
> Upstream says there isn't enough information in the backtrace to say
> anything helpful about this. Could you take a look at
> <https://debbugs.gnu.org/58956> and consider supplying more information
> over there, please?
>
> Also, are you able to reproduce this with 'emacs -q' (not -Q)?
This is not reproducible with "emacs -q".
I can reproduce it in a firejail private directory[*] (so that the
behavior doesn't depend on my own config files), where there is no
.emacs file. There is a .emacs.d directory with just a eln-cache
subdirectory:
zira% ls -la .emacs.d
total 12
drwx------ 3 vinc17 vinc17 4096 2022-11-01 00:40:05 .
drwx------ 4 vinc17 vinc17 4096 2022-11-03 03:53:23 ..
drwxr-xr-x 3 vinc17 vinc17 4096 2022-11-01 00:40:05 eln-cache
zira% ls -la .emacs.d/eln-cache
total 12
drwxr-xr-x 3 vinc17 vinc17 4096 2022-11-01 00:40:05 .
drwx------ 3 vinc17 vinc17 4096 2022-11-01 00:40:05 ..
drwxr-xr-x 2 vinc17 vinc17 4096 2022-11-01 00:40:05 28.2-43f520ab
zira% ls -la .emacs.d/eln-cache/28.2-43f520ab
total 8
drwxr-xr-x 2 vinc17 vinc17 4096 2022-11-01 00:40:05 .
drwxr-xr-x 3 vinc17 vinc17 4096 2022-11-01 00:40:05 ..
zira%
[*] firejail --ignore=read-only --ignore='noexec ${HOME}'
--noblacklist='${HOME}/*' --private=fj-dir zsh
I run emacs, and quit it immediately. The generation of the core dump
is almost 100% reproducible. Ditto with "emacs -nw".
But note that the bug is also reproducible without firejail, but
harder to reproduce.
--
Vincent Lefèvre <vincent@vinc17.net> - Web: <https://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)
- bug#58956: mark_object, mark_objects(?) crash, Sean Whitton, 2022/11/01
- bug#58956: mark_object, mark_objects(?) crash, Eli Zaretskii, 2022/11/02
- bug#58956: mark_object, mark_objects(?) crash,
Vincent Lefevre <=
- bug#58956: mark_object, mark_objects(?) crash, Eli Zaretskii, 2022/11/03
- bug#58956: mark_object, mark_objects(?) crash, Vincent Lefevre, 2022/11/03
- bug#58956: mark_object, mark_objects(?) crash, Eli Zaretskii, 2022/11/03
- bug#58956: mark_object, mark_objects(?) crash, Andrea Corallo, 2022/11/03
- bug#58956: mark_object, mark_objects(?) crash, Eli Zaretskii, 2022/11/04
- bug#58956: mark_object, mark_objects(?) crash, Andrea Corallo, 2022/11/04
- bug#58956: mark_object, mark_objects(?) crash, Paul Eggert, 2022/11/05
- bug#58956: mark_object, mark_objects(?) crash, Eli Zaretskii, 2022/11/06
- bug#58956: mark_object, mark_objects(?) crash, Paul Eggert, 2022/11/06
- bug#58956: mark_object, mark_objects(?) crash, Eli Zaretskii, 2022/11/06