GNU bug report logs - #23233
25.0.92; Crash after doing much work in Proof General

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Package: emacs;

Reported by: John Wiegley <jwiegley <at> gmail.com>

Date: Wed, 6 Apr 2016 19:31:02 UTC

Severity: normal

Tags: moreinfo, wontfix

Merged with 23230

Found in version 25.0.92

Done: Glenn Morris <rgm <at> gnu.org>

Bug is archived. No further changes may be made.

Full log

Message #19 received at 23233 <at> debbugs.gnu.org (full text, mbox):

From: Andreas Schwab <schwab <at> linux-m68k.org>
To: Lars Magne Ingebrigtsen <larsi <at> gnus.org>
Cc: 23233 <at> debbugs.gnu.org
Subject: Re: bug#23233: 25.0.92; Crash after doing much work in Proof General
Date: Thu, 07 Apr 2016 00:24:04 +0200

Lars Magne Ingebrigtsen <larsi <at> gnus.org> writes:

> The backtrace reminded me a bit about the known gc recursion bug that I
> can't remember the recipe for right now -- it was something about if you
> (setcar foo foo), then Emacs will segfault when trying to gc?  I forget
> the details, but it's in the debbugs somewhere.  :-)

Circular structures are of course not a problem, since gc will never
revisit an object it already saw.  You need deeply nested structures.

Andreas.

-- 
Andreas Schwab, schwab <at> linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."
This bug report was last modified 8 years and 171 days ago.

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