GNU bug report logs - #12286
MEM_TYPE_SPARE change causes core dump on Fedora x86

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Package: emacs;

Reported by: Paul Eggert <eggert <at> cs.ucla.edu>

Date: Mon, 27 Aug 2012 08:17:02 UTC

Severity: important

Done: Paul Eggert <eggert <at> cs.ucla.edu>

Bug is archived. No further changes may be made.

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From: Dmitry Antipov <dmantipov <at> yandex.ru>
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: 12286 <at> debbugs.gnu.org
Subject: bug#12286: MEM_TYPE_SPARE change causes core dump on Fedora x86
Date: Mon, 27 Aug 2012 13:33:07 +0400

On 08/27/2012 12:15 PM, Paul Eggert wrote:

> Severity: important
>
> On the Emacs trunk, the changes in revision 109788
> (Special MEM_TYPE_SPARE to denote reserved memory)
> cause Emacs to dump core on x86 Fedora 15.
>
> The previous trunk revision 109787 works fine.
>
> The problem goes away if I disable optimization,
> by configuring with CFLAGS=-g3.

This depends on values on a C stack, which aren't predictable
in general.

But an issue looks almost obvious, should be fixed in 109791.

Dmitry
This bug report was last modified 12 years and 329 days ago.

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