GNU bug report logs - #16901
24.3.50; emacs_backtrace.txt

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Message #75 received at 16901 <at> debbugs.gnu.org (full text, mbox):

From: Juanma Barranquero <lekktu <at> gmail.com>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 16901 <at> debbugs.gnu.org, Dmitry Antipov <dmantipov <at> yandex.ru>,
 Drew Adams <drew.adams <at> oracle.com>
Subject: Re: bug#16901: 24.3.50; emacs_backtrace.txt
Date: Sun, 2 Mar 2014 05:16:29 +0100

On Sat, Mar 1, 2014 at 7:26 PM, Eli Zaretskii <eliz <at> gnu.org> wrote:

> Not unless you cannot possibly use the latest.

Certainly I cannot give Drew a snapshot from trunk built with
-DGC_MCHECK=1, because it will likely crash upon starting and, as Drew
doesn't run Emacs under GDB, he won't be able to provide us with more
information that "mcheck: memory clobbered before allocated block".

> it is much more efficient to try debugging
> the problems that are flagged to us.

If you rebuild gmalloc.c with an added #define GC_MCHECK, do you see
the mabort calls too?

    J

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