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

Previous Next

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.

Full log

Message #8 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Dmitry Antipov <dmantipov <at> yandex.ru>
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: bug-gnu-emacs <at> gnu.org
Subject: Re: 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 328 days ago.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.