From: Daniel Colascione <dancol@dancol.org>
To: Eli Zaretskii <eliz@gnu.org>
Cc: dmantipov@yandex.ru, 17168@debbugs.gnu.org
Subject: bug#17168: 24.3.50; Segfault at mark_object
Date: Sun, 06 Apr 2014 09:24:01 -0700 [thread overview]
Message-ID: <53417FA1.1060100@dancol.org> (raw)
In-Reply-To: <834n268m7r.fsf@gnu.org>
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On 04/06/2014 09:19 AM, Eli Zaretskii wrote:
>> Date: Sun, 06 Apr 2014 08:59:55 -0700
>> From: Daniel Colascione <dancol@dancol.org>
>> CC: dmantipov@yandex.ru, 17168@debbugs.gnu.org
>>
>>> As an alternative, would it make sense to try to understand why the
>>> problems started when they did? IOW, how come we never saw this until
>>> now?
>>
>> Who knows? The problem arises we happen to form a pointer on the stack
>> to an undead symbol, and *any* code change could be responsible for our
>> doing that more frequently. I don't see you can blame it on 114156.
>
> Then how do you explain that we never saw such problems, in all the
> years before?
It's probabilistic. How do you know we didn't?
>>> In http://debbugs.gnu.org/cgi/bugreport.cgi?bug=15583#23, Richard
>>> provided the last good revno (113938) and the first bad one (114268);
>>> I looked at that range of revisions, and 114156 looks relevant. How
>>> about if we revert it and see if the problems go away?
>>
>> The bug would still be there, and we'd have no way to tell whether your
>> proposed change actually reduced its occurrence to a tolerable level.
>> Why would you want to do that instead of just fixing the bug?
>
> Because it's simpler,
It's easy to make code that's simple and wrong.
> and because it just might be that the bug was
> caused by that other changeset.
How might that changeset in particular have caused the problem reports?
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next prev parent reply other threads:[~2014-04-06 16:24 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-02 7:44 bug#17168: 24.3.50; Segfault at mark_object Nicolas Richard
2014-04-02 15:53 ` Daniel Colascione
2014-04-02 17:59 ` Nicolas Richard
2014-04-02 16:29 ` Dmitry Antipov
2014-04-02 19:46 ` Daniel Colascione
2014-04-02 20:33 ` Daniel Colascione
2014-04-02 20:57 ` Nicolas Richard
2014-04-02 21:50 ` Daniel Colascione
2014-04-02 23:24 ` Stefan Monnier
2014-04-03 0:28 ` Daniel Colascione
2014-04-02 20:37 ` Eli Zaretskii
2014-04-02 20:40 ` Daniel Colascione
2014-04-02 20:55 ` Eli Zaretskii
2014-04-03 6:59 ` Dmitry Antipov
2014-04-03 7:04 ` Dmitry Antipov
2014-04-03 7:55 ` Daniel Colascione
2014-04-03 9:08 ` Daniel Colascione
2014-04-03 14:03 ` Dmitry Antipov
2014-04-03 15:42 ` Stefan Monnier
2014-04-03 16:47 ` Daniel Colascione
2014-04-03 17:49 ` Dmitry Antipov
2014-04-03 17:51 ` Daniel Colascione
2014-04-03 19:21 ` Stefan Monnier
2014-04-03 19:22 ` Daniel Colascione
2014-04-05 22:37 ` Daniel Colascione
2014-04-06 5:05 ` Dmitry Antipov
2014-04-06 5:11 ` Daniel Colascione
2014-04-06 18:00 ` Richard Stallman
2014-04-06 18:10 ` Daniel Colascione
2014-04-06 19:06 ` Eli Zaretskii
2014-04-07 7:49 ` martin rudalics
2014-04-07 8:18 ` Dmitry Antipov
2014-04-07 9:20 ` martin rudalics
2014-04-06 12:36 ` Stefan Monnier
2014-04-06 15:06 ` Eli Zaretskii
2014-04-06 15:59 ` Daniel Colascione
2014-04-06 16:19 ` Eli Zaretskii
2014-04-06 16:24 ` Daniel Colascione [this message]
2014-04-06 16:29 ` Eli Zaretskii
2014-04-06 16:37 ` Daniel Colascione
2014-04-06 16:59 ` Eli Zaretskii
2014-04-06 17:11 ` Daniel Colascione
2014-04-06 19:44 ` Stefan Monnier
2014-04-06 19:42 ` Stefan Monnier
2014-04-06 15:46 ` Daniel Colascione
2014-04-06 19:58 ` Stefan Monnier
2014-04-06 20:13 ` Daniel Colascione
2014-04-06 20:53 ` Daniel Colascione
2014-04-06 21:08 ` Stefan Monnier
2014-04-06 21:37 ` Daniel Colascione
2014-04-07 16:28 ` Stefan Monnier
2014-04-07 19:06 ` Daniel Colascione
2014-04-07 20:42 ` Stefan Monnier
2014-04-08 7:14 ` martin rudalics
2014-04-08 8:47 ` Daniel Colascione
2014-04-06 18:01 ` Richard Stallman
2014-04-06 19:58 ` Stefan Monnier
2014-04-07 16:56 ` Richard Stallman
2014-04-02 20:49 ` Nicolas Richard
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