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From: Eli Zaretskii <eliz@gnu.org>
To: Stefan Monnier <monnier@IRO.UMontreal.CA>
Cc: fabrice.popineau@gmail.com, emacs-devel@gnu.org
Subject: Re: GC and stack marking
Date: Tue, 20 May 2014 22:28:48 +0300	[thread overview]
Message-ID: <83wqdgntan.fsf@gnu.org> (raw)
In-Reply-To: <jwv7g5gfibb.fsf-monnier+emacs@gnu.org>

> From: Stefan Monnier <monnier@IRO.UMontreal.CA>
> Cc: emacs-devel@gnu.org, fabrice.popineau@gmail.com
> Date: Tue, 20 May 2014 13:54:16 -0400
> 
> >> But it shouldn't cause any trouble (other than extra memory use).
> > It does, due to all kinds of subtleties.  The result is that the
> > large_vectors linked list gets dumped with a pointer to a non-existent
> > memory, and the dumped Emacs then crashes on the first GC when it
> > tries to traverse that linked list.
> 
> We should fix that.

No argument here.  Otherwise the dumped Emacs crashes.

> > I think this is hopeless: I see this problem on a single system; two
> > others don't have it.  It's just some semi-random garbage somehwre on
> > the stack.
> 
> Of course, but if you can find where it comes from, we can fix that
> one case.

I tried, but couldn't.  Suggestions for how to set up a GDB session
for that are welcome.



  reply	other threads:[~2014-05-20 19:28 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-19 16:31 GC and stack marking Eli Zaretskii
2014-05-19 18:47 ` Paul Eggert
2014-05-19 19:14   ` Eli Zaretskii
2014-05-19 19:58     ` Paul Eggert
2014-05-19 20:03       ` Eli Zaretskii
2014-05-19 20:17         ` Paul Eggert
2014-05-20 16:37           ` Eli Zaretskii
2014-05-20 13:44 ` Stefan Monnier
2014-05-20 16:57   ` Eli Zaretskii
2014-05-20 17:54     ` Stefan Monnier
2014-05-20 19:28       ` Eli Zaretskii [this message]
2014-05-20 22:01         ` Stefan Monnier
2014-05-21  2:48           ` Eli Zaretskii
2014-05-21  3:01             ` Stefan Monnier
2014-05-21 15:39               ` Eli Zaretskii
2014-05-21 15:57                 ` Dmitry Antipov
2014-05-21 16:06                   ` Dmitry Antipov
2014-05-21 16:55                     ` Eli Zaretskii
2014-05-21 16:53                   ` Eli Zaretskii
2014-05-21 17:40                 ` Stefan Monnier
2014-05-21 17:58                   ` Eli Zaretskii
2014-05-22 15:20                     ` Eli Zaretskii
2014-05-22 16:14                       ` Stefan Monnier
2014-05-24 12:03                         ` Eli Zaretskii
2014-05-20 19:12     ` Daniel Colascione
2014-05-20 19:43       ` Eli Zaretskii
2014-05-20 22:03         ` Stefan Monnier
2014-05-21  2:51           ` Eli Zaretskii
2014-05-31  6:31   ` Florian Weimer
2014-05-31 14:24     ` Stefan Monnier
  -- strict thread matches above, loose matches on Subject: below --
2014-05-21 19:31 Barry OReilly
2014-05-21 20:13 ` Eli Zaretskii
2014-05-21 20:49   ` Barry OReilly
2014-05-22  2:43     ` Eli Zaretskii
2014-05-22  3:12       ` Daniel Colascione
2014-05-22  5:37         ` David Kastrup
2014-05-22 13:57           ` Stefan Monnier
2014-05-22 15:49         ` Eli Zaretskii
2014-05-22 14:59       ` Barry OReilly
2014-05-22 17:03         ` Eli Zaretskii

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