From: Pieter van Oostrum <pieter-l@vanoostrum.org>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 39962@debbugs.gnu.org, eggert@cs.ucla.edu, Pip Cet <pipcet@gmail.com>
Subject: bug#39962: 27.0.90; Crash in Emacs 27.0.90
Date: Fri, 13 Mar 2020 18:42:16 +0100 [thread overview]
Message-ID: <lx36acqhhj.fsf@cochabamba.vanoostrum.org> (raw)
In-Reply-To: <83y2s48yn7.fsf@gnu.org> (Eli Zaretskii's message of "Fri, 13 Mar 2020 10:09:00 +0200")
Eli Zaretskii <eliz@gnu.org> writes:
>> From: Pip Cet <pipcet@gmail.com>
>> Date: Thu, 12 Mar 2020 20:00:13 +0000
>> Cc: 39962@debbugs.gnu.org, Paul Eggert <eggert@cs.ucla.edu>
>>
>> The first attachment to this message is an Elisp file which does the
>> same thing, by creating thousands of symbols. On GNU/Linux, with
>> fairly default standard stack size settings, I get a segfault after
>> some 85,000 symbols have been created.
>
> The default stack size on GNU/Linux is 2MB, right? Maybe it's high
> time we raised that, what with the memory size today's machines
> routinely have at their disposal. FWIW, the MS-Windows build have
> been using a 8MB run-time stack for a very long time.
My ulimit -s was 8192 (8 MiBi if I am correct).
The maximum I can set it to is 65532 (that's 64 MiBi if I am correct).
> Of course, given enough recursive data structures we can always crash
> the current GC the way it is implemented. But the question is how
> many such recursive symbols are there in Pieter's sessions? are they
> anywhere near the 1000000000 mark you used in your test program? IOW,
> I think we need to know how close we are in real-life sessions to the
> dangerous mark.
One file had 5063 messages, another one 2374.
But I was resorting these files, so I don't know if these caused more of these entries to be generated. The sorting has to reorder the messages, so I get the total would double, but they would be separate lists.
> Maybe this is also worth reporting to VM developers. They might
> consider changing their implementation to avoid these problems.
>
> Thanks.
--
Pieter van Oostrum
www: http://pieter.vanoostrum.org/
PGP key: [8DAE142BE17999C4]
next prev parent reply other threads:[~2020-03-13 17:42 UTC|newest]
Thread overview: 119+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-06 23:55 bug#39962: 27.0.90; Crash in Emacs 27.0.90 Pieter van Oostrum
2020-03-07 7:48 ` Eli Zaretskii
2020-03-07 8:40 ` Pieter van Oostrum
2020-03-07 8:41 ` Pieter van Oostrum
2020-03-07 10:51 ` Eli Zaretskii
2020-03-07 11:06 ` Pieter van Oostrum
2020-03-07 13:10 ` Eli Zaretskii
2020-03-07 15:06 ` Pieter van Oostrum
2020-03-07 15:17 ` Eli Zaretskii
2020-03-07 15:49 ` Pieter van Oostrum
2020-03-07 16:07 ` Eli Zaretskii
2020-03-07 17:21 ` Pieter van Oostrum
2020-03-07 18:01 ` Eli Zaretskii
2020-03-07 19:14 ` Pieter van Oostrum
2020-03-07 19:21 ` Eli Zaretskii
2020-03-07 22:07 ` Pieter van Oostrum
2020-03-09 4:00 ` Pip Cet
2020-03-08 7:42 ` Paul Eggert
2020-03-08 9:34 ` Pieter van Oostrum
2020-03-08 10:05 ` Paul Eggert
2020-03-08 21:37 ` Pieter van Oostrum
2020-03-08 21:58 ` Pieter van Oostrum
2020-03-08 22:34 ` Paul Eggert
2020-03-08 23:58 ` Pieter van Oostrum
2020-03-09 0:01 ` Paul Eggert
2020-03-09 13:26 ` Pieter van Oostrum
2020-03-09 17:10 ` Eli Zaretskii
2020-03-09 19:48 ` Pieter van Oostrum
2020-03-10 13:37 ` Pieter van Oostrum
2020-03-09 19:51 ` Paul Eggert
2020-03-09 21:32 ` Pieter van Oostrum
2020-03-10 10:52 ` Pieter van Oostrum
2020-03-10 14:19 ` Pip Cet
2020-03-10 16:36 ` Pieter van Oostrum
2020-03-11 14:32 ` Pip Cet
2020-03-11 15:16 ` Pieter van Oostrum
2020-03-11 15:43 ` Pip Cet
2020-03-11 15:51 ` Paul Eggert
2020-03-11 16:21 ` Eli Zaretskii
2020-03-11 17:52 ` Eli Zaretskii
2020-03-11 18:53 ` Pip Cet
2020-03-11 19:34 ` Eli Zaretskii
2020-03-12 10:32 ` Pip Cet
2020-03-12 15:23 ` Eli Zaretskii
2020-03-12 20:36 ` Pip Cet
2020-03-13 9:39 ` Eli Zaretskii
2020-03-13 13:56 ` Pip Cet
2020-03-13 16:30 ` Eli Zaretskii
2020-03-14 9:02 ` Pip Cet
2020-03-14 15:39 ` Pip Cet
2020-03-14 16:00 ` Paul Eggert
2020-03-14 16:15 ` Pip Cet
2020-03-14 16:57 ` Eli Zaretskii
2020-03-14 18:34 ` Pip Cet
2020-03-14 19:09 ` Paul Eggert
2020-03-14 20:10 ` Eli Zaretskii
2020-03-15 12:12 ` Pip Cet
2020-03-15 14:53 ` Eli Zaretskii
2020-03-15 12:09 ` Pip Cet
2020-03-15 14:50 ` Eli Zaretskii
2020-03-16 16:31 ` Stefan Monnier
2020-03-11 20:03 ` Pieter van Oostrum
2020-03-12 13:55 ` Pip Cet
2020-03-12 18:13 ` Pieter van Oostrum
2020-03-12 20:00 ` Pip Cet
2020-03-13 8:09 ` Eli Zaretskii
2020-03-13 8:39 ` Pip Cet
2020-03-13 9:19 ` Eli Zaretskii
2020-03-13 17:43 ` Pieter van Oostrum
2020-03-14 3:38 ` Richard Stallman
2020-03-14 8:37 ` Eli Zaretskii
2020-03-14 9:16 ` Pip Cet
2020-03-14 15:34 ` Pip Cet
2020-03-13 17:42 ` Pieter van Oostrum [this message]
2020-03-13 19:34 ` Eli Zaretskii
2020-03-13 21:35 ` Pieter van Oostrum
2020-03-14 8:08 ` Eli Zaretskii
2020-03-14 21:32 ` Pieter van Oostrum
2020-03-15 19:49 ` Pieter van Oostrum
2020-03-15 19:57 ` Eli Zaretskii
2020-03-15 23:26 ` Pieter van Oostrum
2020-03-16 10:44 ` Pieter van Oostrum
2020-03-16 15:07 ` Eli Zaretskii
2020-03-16 15:33 ` Pip Cet
2020-03-16 17:19 ` Pip Cet
2020-03-17 3:29 ` Pieter van Oostrum
2020-03-17 4:54 ` Pip Cet
2020-03-17 5:20 ` Pip Cet
2020-03-17 8:45 ` Pieter van Oostrum
2020-03-17 13:54 ` Pip Cet
2020-03-17 15:27 ` Pieter van Oostrum
2020-03-17 20:16 ` Pip Cet
2020-03-17 23:32 ` Pieter van Oostrum
2020-03-18 15:05 ` Eli Zaretskii
2020-03-19 13:23 ` Pieter van Oostrum
2020-03-19 13:57 ` Pip Cet
2020-03-21 21:22 ` Pieter van Oostrum
2020-03-22 14:21 ` Eli Zaretskii
2020-03-22 15:48 ` Pip Cet
2020-03-23 19:34 ` Pip Cet
2020-03-17 8:40 ` Pieter van Oostrum
2020-03-17 15:33 ` Eli Zaretskii
2020-03-17 20:59 ` Paul Eggert
2020-03-18 6:17 ` Pip Cet
2020-03-18 9:22 ` Robert Pluim
2020-03-18 11:38 ` Pieter van Oostrum
2020-03-18 11:57 ` Paul Eggert
2020-03-18 14:08 ` Pip Cet
2020-03-19 19:17 ` Pieter van Oostrum
2020-03-19 19:31 ` Pip Cet
2020-03-19 21:30 ` Pieter van Oostrum
2020-03-18 14:08 ` Eli Zaretskii
2020-03-16 18:36 ` Pieter van Oostrum
2020-03-13 7:58 ` Eli Zaretskii
2020-03-10 15:10 ` Eli Zaretskii
2020-03-10 18:23 ` Pieter van Oostrum
2020-03-11 8:22 ` Paul Eggert
2022-04-30 12:38 ` Lars Ingebrigtsen
2022-05-29 13:19 ` Lars Ingebrigtsen
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