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Re: GC and stack marking

From: Stefan Monnier
Subject: Re: GC and stack marking
Date: Tue, 20 May 2014 13:54:16 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4.50 (gnu/linux)

>> 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.

> 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.  After all, we don't know of any other anyway.


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