From: "Gerd Möllmann" <gerd.moellmann@gmail.com>
To: 69459@debbugs.gnu.org
Subject: bug#69459: 30.0.50; temacs, SEGV while pdumping
Date: Thu, 29 Feb 2024 05:21:40 +0100 [thread overview]
Message-ID: <m2ttlrdhnv.fsf@Pro.fritz.box> (raw)
In-Reply-To: <m2o7c0bo5i.fsf@Pro.fritz.box> ("Gerd Möllmann"'s message of "Wed, 28 Feb 2024 16:32:09 +0100")
Gerd Möllmann <gerd.moellmann@gmail.com> writes:
> 1. While dumping, pdump creates new Lisp_Objects (hash-tables, conses, ...)
> that are stored in dump_context or subobjects of it, hash-tables for
> example.
>
> 2. I can't find a function that marks a struct dump_context for GC. If
> I'm right, nothing protects the objects that pdump creates from GC.
>
> As a fix I propose to inhibit GC while pdumping. Would be nice if
> someone could check if (2) is right.
(2) is false: because ctx_buf is on the stack, stack scanning makes it
an ambiguous root.
So I'm closing this, because I haven't seen something like this SEGV in
an unmpdified Emacs.
prev parent reply other threads:[~2024-02-29 4:21 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-28 15:32 bug#69459: 30.0.50; temacs, SEGV while pdumping Gerd Möllmann
2024-02-29 4:21 ` Gerd Möllmann [this message]
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