From: <daimrod@omecha.info>
To: Lars Ingebrigtsen <larsi@gnus.org>
Cc: daimrod@omecha.info, 29170@debbugs.gnu.org
Subject: bug#29170: 26.0.90; Emacs freezes when capturing an org-template
Date: Thu, 08 Oct 2020 23:43:28 +0200 [thread overview]
Message-ID: <87tuv4mm0v.fsf@omecha.info> (raw)
In-Reply-To: <87wo07tcz2.fsf@gnus.org> (Lars Ingebrigtsen's message of "Sat, 03 Oct 2020 19:51:13 +0200")
Lars Ingebrigtsen <larsi@gnus.org> writes:
> daimrod@omecha.info writes:
>
>>> If this is an OpenBSD-only problem, maybe we should install that
>>> change #ifdef'ed by OpenBSD?
>
> Yes, but as noted by others in the thread, the patch leads to other
> issues on OpenBSD, too, so it's not a complete solution.
>
>> I'll have to test it, but I've been told that the issue doesn't occur
>> when the "junk" is disabled in the memory allocator (j = 0).
>>
>> See MALLOC OPTIONS in malloc(3) https://man.openbsd.org/malloc
>>
>> j “Less junking”. Decrease the junk level by one if it is larger
>> than 0. Junking writes some junk bytes into the area allocated.
>> Junk is bytes of 0xdb when allocating; freed chunks are filled
>> with 0xdf. By default the junk level is 1: after free, small
>> chunks are completely junked; for pages the first part is junked.
>> After a delay, the filling pattern is validated and the process
>> is aborted if the pattern was modified. For junk level 2,
>> junking is done on allocation as well and without size
>> restrictions. If the junk level is zero, no junking is
>> performed.
>
> Huh. How odd that this would have an affect on this infloop?
So, I tested it on emacs-27.1 with junk disabled and it still freezes.
$ MALLOC_OPTIONS=jj emacs -q
(let ((value 'SECONDARY)
(x-selection-timeout 2000))
;;; from org-get-x-clipboard in lisp/org-compat.el
(gui-get-selection value 'UTF8_STRING)
(gui-get-selection value 'COMPOUND_TEXT)
(gui-get-selection value 'STRING)
(gui-get-selection value 'TEXT))
--
daimrod
PGP : AF26 E9C2 A1C8 8D32 A868 4386 1373 5477 2B65 1894
next prev parent reply other threads:[~2020-10-08 21:43 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <877dtojnf0.fsf@elite.giraud>
2017-11-06 14:20 ` bug#29170: 26.0.90; Emacs freezes when capturing an org-template Grégoire Jadi
2017-11-08 18:00 ` bug#29170: Infinite loop noticed on Emacs in OpenBSD Piotr Isajew
2017-11-09 15:06 ` Manuel Giraud
2017-11-17 14:36 ` Grégoire Jadi
2017-11-22 14:44 ` Manuel Giraud
2017-11-22 14:50 ` Grégoire Jadi
2017-11-22 15:00 ` Manuel Giraud
2020-08-24 11:43 ` Stefan Kangas
2020-08-24 11:45 ` Stefan Kangas
2020-10-02 5:16 ` bug#29170: 26.0.90; Emacs freezes when capturing an org-template Lars Ingebrigtsen
2020-10-02 7:12 ` Eli Zaretskii
2020-10-02 14:30 ` Lars Ingebrigtsen
2020-10-02 15:08 ` Eli Zaretskii
2020-10-02 17:55 ` daimrod
2020-10-03 17:51 ` Lars Ingebrigtsen
2020-10-08 21:43 ` daimrod [this message]
2020-10-10 19:57 ` Lars Ingebrigtsen
2021-08-08 14:33 ` Grégoire Jadi
2021-08-08 14:49 ` Eli Zaretskii
2021-08-08 14:53 ` Grégoire Jadi
2021-08-09 12:31 ` Lars Ingebrigtsen
2021-08-13 7:36 ` Grégoire Jadi
2021-08-13 11:50 ` Lars Ingebrigtsen
2021-08-13 11:52 ` Lars Ingebrigtsen
2021-05-25 10:55 ` bug#29170: bug29170 graeme vetterlein
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